mein code in task2

.metadata/.log

@@ -9259,3 +9259,72 @@ Command-line arguments:  -os linux -ws gtk -arch x86_64
 
 !ENTRY com.st.stm32cube.ide.mcu.ide 1 1 2026-03-20 18:06:39.545
 !MESSAGE Started RMI Server, listening on port 41337
+!SESSION 2026-03-21 13:54:00.770 -----------------------------------------------
+eclipse.buildId=Version 1.16.0
+java.version=17.0.11
+java.vendor=Eclipse Adoptium
+BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=de_DE
+Command-line arguments:  -os linux -ws gtk -arch x86_64
+
+!ENTRY org.eclipse.core.resources 2 10035 2026-03-21 13:54:03.586
+!MESSAGE The workspace exited with unsaved changes in the previous session; refreshing workspace to recover changes.
+
+!ENTRY com.st.stm32cube.ide.mcu.informationcenter 4 4 2026-03-21 13:54:07.401
+!MESSAGE CubeMX plugin appears to be active, Log4j initialization might be too late.
+
+!ENTRY com.st.stm32cube.ide.mcu.informationcenter 1 1 2026-03-21 13:54:07.402
+!MESSAGE Log4j2 initialized with config file /home/tobii/02_Uni/09_Mikrocomputertechnik/praktikum/mct_bei_workspace_25w/.metadata/.log4j2.xml
+
+!ENTRY com.st.stm32cube.ide.mcu.ide 1 1 2026-03-21 13:54:12.808
+!MESSAGE Started RMI Server, listening on port 41337
+!SESSION 2026-03-24 14:01:44.656 -----------------------------------------------
+eclipse.buildId=Version 1.16.0
+java.version=17.0.11
+java.vendor=Eclipse Adoptium
+BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=de_DE
+Command-line arguments:  -os linux -ws gtk -arch x86_64
+
+!ENTRY org.eclipse.core.resources 2 10035 2026-03-24 14:01:47.209
+!MESSAGE The workspace exited with unsaved changes in the previous session; refreshing workspace to recover changes.
+
+!ENTRY com.st.stm32cube.ide.mcu.informationcenter 4 4 2026-03-24 14:01:50.655
+!MESSAGE CubeMX plugin appears to be active, Log4j initialization might be too late.
+
+!ENTRY com.st.stm32cube.ide.mcu.informationcenter 1 1 2026-03-24 14:01:50.656
+!MESSAGE Log4j2 initialized with config file /home/tobii/02_Uni/09_Mikrocomputertechnik/praktikum/mct_bei_workspace_25w/.metadata/.log4j2.xml
+
+!ENTRY com.st.stm32cube.ide.mcu.ide 1 1 2026-03-24 14:01:55.388
+!MESSAGE Started RMI Server, listening on port 41337
+!SESSION 2026-03-24 14:11:26.431 -----------------------------------------------
+eclipse.buildId=Version 1.16.0
+java.version=17.0.11
+java.vendor=Eclipse Adoptium
+BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=de_DE
+Command-line arguments:  -os linux -ws gtk -arch x86_64
+
+!ENTRY com.st.stm32cube.ide.mcu.informationcenter 4 4 2026-03-24 14:11:31.118
+!MESSAGE CubeMX plugin appears to be active, Log4j initialization might be too late.
+
+!ENTRY com.st.stm32cube.ide.mcu.informationcenter 1 1 2026-03-24 14:11:31.119
+!MESSAGE Log4j2 initialized with config file /home/tobii/02_Uni/09_Mikrocomputertechnik/praktikum/mct_bei_workspace_25w/.metadata/.log4j2.xml
+
+!ENTRY com.st.stm32cube.ide.mcu.ide 1 1 2026-03-24 14:11:45.929
+!MESSAGE Started RMI Server, listening on port 41337
+
+!ENTRY com.st.stm32cube.ide.mcu.debug 4 0 2026-03-24 14:15:22.829
+!MESSAGE Error - No active DSF-Session. tmpSessionId = 3 (contextManager row 121)
+
+!ENTRY com.st.stm32cube.ide.mcu.debug 4 0 2026-03-24 14:15:22.830
+!MESSAGE Existing sessions are:
+
+!ENTRY com.st.stm32cube.ide.mcu.debug 4 0 2026-03-24 14:17:18.477
+!MESSAGE Error - No active DSF-Session. tmpSessionId = 6 (contextManager row 121)
+
+!ENTRY com.st.stm32cube.ide.mcu.debug 4 0 2026-03-24 14:17:18.477
+!MESSAGE Existing sessions are:
+
+!ENTRY com.st.stm32cube.ide.mcu.debug 4 0 2026-03-24 14:18:01.013
+!MESSAGE Error - No active DSF-Session. tmpSessionId = 7 (contextManager row 121)
+
+!ENTRY com.st.stm32cube.ide.mcu.debug 4 0 2026-03-24 14:18:01.013
+!MESSAGE Existing sessions are:

.metadata/.plugins/org.eclipse.cdt.core/.log

@@ -51,3 +51,4 @@
 *** SESSION März 01, 2026 11:55:48.249 -----------------------------------------
 *** SESSION März 13, 2026 10:49:11.272 -----------------------------------------
 *** SESSION März 16, 2026 12:55:55.445 -----------------------------------------
+*** SESSION März 24, 2026 14:01:49.132 -----------------------------------------

.metadata/.plugins/org.eclipse.cdt.ui/global-build.log

@@ -323,3 +323,233 @@ Finished building: default.size.stdout
  
 Finished building: task1.list
  
+16:09:45 **** Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    240	      0	      0	    240	     f0	task2.elf
+Target all ready
+18:20:32 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+task2.s: Assembler messages:
+task2.s:128: Error: ARM register expected -- `movs '
+make: *** [makefile:74: task2.o] Error 1
+"make -j12 all" terminated with exit code 2. Build might be incomplete.
+18:20:48 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    260	      0	      0	    260	    104	task2.elf
+Target all ready
+18:21:57 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    260	      0	      0	    260	    104	task2.elf
+Target all ready
+18:22:48 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    240	      0	      0	    240	     f0	task2.elf
+Target all ready
+18:23:22 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    260	      0	      0	    260	    104	task2.elf
+Target all ready
+18:23:42 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    260	      0	      0	    260	    104	task2.elf
+Target all ready
+18:23:54 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    260	      0	      0	    260	    104	task2.elf
+Target all ready
+18:24:03 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    260	      0	      0	    260	    104	task2.elf
+Target all ready
+18:24:24 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    260	      0	      0	    260	    104	task2.elf
+Target all ready
+18:24:36 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    260	      0	      0	    260	    104	task2.elf
+Target all ready
+18:25:04 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    260	      0	      0	    260	    104	task2.elf
+Target all ready
+18:25:26 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    260	      0	      0	    260	    104	task2.elf
+Target all ready
+18:25:42 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    260	      0	      0	    260	    104	task2.elf
+Target all ready
+18:26:11 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    260	      0	      0	    260	    104	task2.elf
+Target all ready
+18:26:34 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    264	      0	      0	    264	    108	task2.elf
+Target all ready
+18:26:57 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    248	      0	      0	    248	     f8	task2.elf
+Target all ready
+18:27:24 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+Target all ready
+18:29:47 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    240	      0	      0	    240	     f0	task2.elf
+Target all ready
+18:35:13 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    240	      0	      0	    240	     f0	task2.elf
+Target all ready
+18:35:46 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+Target all ready
+18:35:51 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+Target all ready
+14:12:30 **** Build of configuration Debug for project task2 ****
+make -j12 all 
+Target all ready
+14:12:55 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+Target all ready
+14:13:16 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+Target all ready
+14:13:43 **** Clean-only build of configuration Debug for project task1 ****
+make -j12 clean 
+rm -rf ./Startup/startup_stm32g431kbtx.d ./Startup/startup_stm32g431kbtx.o ./Startup/syscalls.cyclo ./Startup/syscalls.d ./Startup/syscalls.o ./Startup/syscalls.su ./Startup/sysmem.cyclo ./Startup/sysmem.d ./Startup/sysmem.o ./Startup/sysmem.su
+rm -rf ./Src/task1.cyclo ./Src/task1.d ./Src/task1.o ./Src/task1.su ./Src/task1_it.cyclo ./Src/task1_it.d ./Src/task1_it.o ./Src/task1_it.su
+rm -rf default.size.stdout task1.elf task1.list task1.map
+ 
+14:13:44 **** Clean-only build of configuration Debug for project task2 ****
+make -j12 clean 
+14:13:44 **** Clean-only build of configuration Debug for project task3 ****
+make -j12 clean 
+makefile:62: *** multiple target patterns.  Stop.
+"make -j12 clean" terminated with exit code 2. Build might be incomplete.
+14:13:44 **** Clean-only build of configuration Debug for project task4 ****
+make -j12 clean 
+makefile:62: *** multiple target patterns.  Stop.
+"make -j12 clean" terminated with exit code 2. Build might be incomplete.
+14:14:11 **** Build of configuration Debug for project task2 ****
+make -j12 all 
+arm-none-eabi-as -o task2.o task2.s -march=armv7-m -mcpu=cortex-m4 -adglns -g -mthumb --warn  > task2.als
+arm-none-eabi-ld -o task2.elf -T ldscript_rom.ld task2.o -g -Map task2.map --cref -static
+arm-none-eabi-objdump -htdr -j .text -j .data -j .bss -j .vectortable -j .exhand task2.elf > task2.lst
+arm-none-eabi-size task2.elf
+   text	   data	    bss	    dec	    hex	filename
+    240	      0	      0	    240	     f0	task2.elf
+Target all ready
+14:15:19 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+Target all ready
+14:15:29 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+Target all ready
+14:16:17 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+Target all ready
+14:17:15 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+Target all ready
+14:17:57 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+Target all ready
+14:19:07 **** Incremental Build of configuration Debug for project task2 ****
+make -j12 all 
+Target all ready

.metadata/.plugins/org.eclipse.cdt.ui/task1.build.log

@@ -1,17 +1,9 @@
-15:01:24 **** Incremental Build of configuration Debug for project task1 ****
+14:13:43 **** Clean-only build of configuration Debug for project task1 ****
-make -j12 all 
+make -j12 clean 
-arm-none-eabi-gcc "../Src/task1.c" -mcpu=cortex-m4 -std=gnu11 -g3 -DDEBUG -DSTM32G431KBTx -DSTM32 -DSTM32G4 -DNUCLEO_G431KB -c -I../Inc -O0 -ffunction-sections -fdata-sections -Wall -fstack-usage -fcyclomatic-complexity -MMD -MP -MF"Src/task1.d" -MT"Src/task1.o" --specs=nano.specs -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -o "Src/task1.o"
+rm -rf ./Startup/startup_stm32g431kbtx.d ./Startup/startup_stm32g431kbtx.o ./Startup/syscalls.cyclo ./Startup/syscalls.d ./Startup/syscalls.o ./Startup/syscalls.su ./Startup/sysmem.cyclo ./Startup/sysmem.d ./Startup/sysmem.o ./Startup/sysmem.su
-arm-none-eabi-gcc -o "task1.elf" @"objects.list"   -mcpu=cortex-m4 -T"/home/tobii/02_Uni/09_Mikrocomputertechnik/praktikum/mct_bei_workspace_25w/task1/STM32G431KBTX_FLASH.ld" --specs=nosys.specs -Wl,-Map="task1.map" -Wl,--gc-sections -static --specs=nano.specs -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -Wl,--start-group -lc -lm -Wl,--end-group
+rm -rf ./Src/task1.cyclo ./Src/task1.d ./Src/task1.o ./Src/task1.su ./Src/task1_it.cyclo ./Src/task1_it.d ./Src/task1_it.o ./Src/task1_it.su
-Finished building target: task1.elf
+rm -rf default.size.stdout task1.elf task1.list task1.map
- 
-arm-none-eabi-size  task1.elf 
-arm-none-eabi-objdump -h -S task1.elf  > "task1.list"
-   text	   data	    bss	    dec	    hex	filename
-   1692	      0	   1568	   3260	    cbc	task1.elf
-Finished building: default.size.stdout
- 
-Finished building: task1.list
  
 
-15:01:24 Build Finished. 0 errors, 0 warnings. (took 330ms)
+14:13:44 Build Finished. 0 errors, 0 warnings. (took 187ms)
 

.metadata/.plugins/org.eclipse.cdt.ui/task2.build.log

@@ -1,5 +1,6 @@
-11:52:45 **** Clean-only build of configuration Debug for project task2 ****
+14:19:07 **** Incremental Build of configuration Debug for project task2 ****
-make -j12 clean 
+make -j12 all 
+Target all ready
 
-11:52:45 Build Finished. 0 errors, 0 warnings. (took 126ms)
+14:19:07 Build Finished. 0 errors, 0 warnings. (took 182ms)
 

.metadata/.plugins/org.eclipse.cdt.ui/task3.build.log

@@ -1,7 +1,7 @@
-11:52:45 **** Clean-only build of configuration Debug for project task3 ****
+14:13:44 **** Clean-only build of configuration Debug for project task3 ****
 make -j12 clean 
 makefile:62: *** multiple target patterns.  Stop.
 "make -j12 clean" terminated with exit code 2. Build might be incomplete.
 
-11:52:45 Build Failed. 1 errors, 0 warnings. (took 126ms)
+14:13:44 Build Failed. 1 errors, 0 warnings. (took 186ms)
 

.metadata/.plugins/org.eclipse.cdt.ui/task4.build.log

@@ -1,7 +1,7 @@
-11:52:46 **** Clean-only build of configuration Debug for project task4 ****
+14:13:44 **** Clean-only build of configuration Debug for project task4 ****
 make -j12 clean 
 makefile:62: *** multiple target patterns.  Stop.
 "make -j12 clean" terminated with exit code 2. Build might be incomplete.
 
-11:52:46 Build Failed. 1 errors, 0 warnings. (took 127ms)
+14:13:44 Build Failed. 1 errors, 0 warnings. (took 186ms)
 

.metadata/.plugins/org.eclipse.core.resources/.history/12/803564f14a2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x03
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x01
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #3]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/2/a0997bb54a2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x05
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x01
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/20/102cdbc14a2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x05
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x04
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/24/f01031934a2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x05
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x01
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/2e/202733fa4a2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x03
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x01
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #2]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/57/c00825cd4a2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x05
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x05
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/5e/c0318c4a4c2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+#    LDR     r1, =GPIOB_MODER
+#    MOVS    r3, #0x03
+#    LDR     r0, [r1, #1]
+#    BICS    r0, r3
+#    MOVS    r3, #0x01
+#    ORRS    r0, r0, r3
+#    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/62/7054d2ba4a2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x05
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x03
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/64/40291de44a2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x03
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x01
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/69/405e85284b2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOB_MODER
+    MOVS    r3, #0x03
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x01
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/6a/b0d749d54a2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x01
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x01
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/81/b0e0d9dc4a2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x02
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x01
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/87/6042399c472500111a3cc0d2fb41a96e

@@ -0,0 +1,314 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r2
+    STR     r0, [r1, #0]
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/88/a009658d4b2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+#    LDR     r1, =GPIOA_MODER    // load port A mode register address
+#    MOVS    r2, #0x03           // prepare mask
+#    LDR     r0, [r1, #0]        // get current value of port A mode register
+#    BICS    r0, r2              // delete bits
+#    MOVS    r2, #0x01           // load configuration mask
+#    ORRS    r0, r0, r2          // apply mask
+#    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOB_MODER
+    MOVS    r3, #0x03
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x01
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/a3/8000d91a4b2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x03
+    LDR     r0, [r1, #2]
+    BICS    r0, r3
+    MOVS    r3, #0x01
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #2]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/b2/e0f20e0b4b2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x03
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x01
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/cb/f09ec06d0f2200111ca2ee31eda545ee

@@ -1,212 +0,0 @@
-/* ***************************************************************************************
- *  Project:    task1 - C:GPIO
- *  File:       task1.c
- *
- *  Language:   C
- *
- *  Hardware:   STefi Light v1.1
- *  Processor:  STM32G431KBT6U
- *
- *  Author:     Manuel Lederhofer
- *  Datum:      10.09.2021
- *
- *  Version:    2.1
- *  History:
- *      10.09.2021  ML  create project
- *      09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
- *      18.02.2025  TK  changed projectname to "C: GPIO)
- *
- *  Status:     under development
- *
- *  Description:
- *          Blinks the red LED of STefi Light, currently.
- *          This file contains the main routine and the initialization.
- *
- *  Notes:
- *      - MCU speed at startup is 16 MHz
- *
- *  Todo:
- *      - Change the example code to match the description and requirements
- *          of the requested application in the lab exercise guide.
- *
- ************************************************************************************** */
-
-/* ------------------------------------ INCLUDES -------------------------------------- */
-#include "stm32g431xx.h"
-#include "STefi-Light.h"
-
-/* ------------------------------------ DEFINES --------------------------------------- */
-#define LOOPS_PER_MS    1244             // NOP-loops for delay()
-#define WAITTIME        333
-
-/* ------------------------------------ TYPE DEFINITIONS ------------------------------ */
-/* ------------------------------------ GLOBAL VARIABLES ------------------------------ */
-int state = 0;
-
-/* ------------------------------------ PRIVATE VARIABLES ----------------------------- */
-
-/* ------------------------------------ PROTOTYPES ------------------------------------ */
-static void GPIO_init(void);
-static void delay(const uint16_t ms);
-
-/* ------------------------------------ M A I N --------------------------------------- */
-int main(void)
-{
-    /* --- initialization --- */
-    __disable_irq();        // disable interrupts globally
-
-    GPIO_init();
-
-    __enable_irq();         // enable interrupts globally
-
-    /* --- one time tasks --- */
-
-    //s0 Hilfvariablen auserhalb von while deklarieren
-    int running = 0;  //0 Lauflicht aus, 1 Lauflicht an
-    int lastButtonState = 1; // Hilfsvariable zur Flankenerkennung
-
-    /* --- infinite processing loop --- */
-    while (1)
-    {
-        int buttonState = GPIOB->IDR & (1 << 0);
-
-        // fallende Flanke erkennen
-        if (lastButtonState && !buttonState)
-        {
-            running ^= 1;   // toggle running
-           /* delay(50);     // entprellen */
-        }
-
-        lastButtonState = buttonState;
-
-
-        if(running)
-        {
-            switch (state)
-            {
-            case 0:
-                state++;
-                GPIOA->ODR &= ~(1 << 0);
-                delay(WAITTIME);
-                GPIOA->ODR |= (1 << 0);
-                break;
-            case 1:
-                state++;
-                GPIOA->ODR &= ~(1 << 1);
-                delay(WAITTIME);
-                GPIOA->ODR |= (1 << 1);
-                break;
-            case 2:
-                state++;
-                GPIOA->ODR &= ~(1 << 2);
-                delay(WAITTIME);
-                GPIOA->ODR |= (1 << 2);
-                break;
-            case 3:
-                state++;
-                GPIOA->ODR &= ~(1 << 3);
-                delay(WAITTIME);
-                GPIOA->ODR |= (1 << 3);
-                break;
-            case 4:
-                state++;
-                GPIOA->ODR &= ~(1 << 2);
-                delay(WAITTIME);
-                GPIOA->ODR |= (1 << 2);
-                break;
-            case 5:
-                state=0;
-                GPIOA->ODR &= ~(1 << 1);
-                delay(WAITTIME);
-                GPIOA->ODR |= (1 << 1);
-                break;
-
-            case 99:
-                GPIOA->ODR |= MASK_LED_ALL;
-                while(1){
-                    if((GPIOB->IDR & (1 << 0)) == 0){
-                        delay(150);
-                        state=0;
-                        break;
-                    }
-                }
-            }
-        }
-
-    }
-    //aktuell geht er mit drücken durch die cases
-    // wegen break geht er ganz aus der if bedingung raus, nicht nur ausm switch case
-
-
-return 1;
-}
-
-/* ------------------------------------ GLOBAL FUNCTIONS ------------------------------ */
-
-/* ------------------------------------ PRIVATE FUNCTIONS ----------------------------- */
-
-/* ------------------------------------------------------------------------------------ *\
- * method:  static void GPIO_init(void)
- *
- * Initializes GPIOs on STefi Light for pins with peripherals attached.
- *
- * requires:    - nothing -
- * parameters:  - none -
- * returns:     - nothing -
- \* ------------------------------------------------------------------------------------ */
-static void GPIO_init(void)
-{
-/* enable port clocks */
-RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN;    // LEDs: A
-RCC->AHB2ENR |= RCC_AHB2ENR_GPIOBEN;  //Taster versuch
-
-/* --- LEDs --- */
-GPIOA->ODR |= MASK_LED_ALL;
-GPIOA->MODER &= ~(3 << 0);
-GPIOA->MODER |= (1 << 0);               // set LED pin to output
-
-/* LED1 als Output */
-GPIOA->MODER &= ~(3 << 2);     // Versuch: LED 1 Mode löschen :klappt so
-GPIOA->MODER |= (1 << 2);      // Versuch: LED 1 PA1 = output :klappt so
-
-/* LED2 als Output */
-GPIOA->MODER &= ~(3 << 4);     // Versuch: LED 2 Mode löschen :klappt
-GPIOA->MODER |= (1 << 4);      // Versuch: LED 2 PA1 = output :klappt
-
-/* LED3 als output */
-GPIOA->MODER &= ~(3 << 6);
-GPIOA->MODER |= (1 << 6);
-
-/* s0 (PB0) als Input Versuch */
-GPIOB->MODER &= ~(3 << 0);
-
-/* Pull-Up Aktivieren Versuch */
-GPIOB->PUPDR &= ~(3 << 0);
-GPIOB->PUPDR |= (1 << 0);  // 01 = Pull-Up
-}
-
-/* ------------------------------------------------------------------------------------ *\
- * method:  static void delay(const uint16_t ms)
- *
- * Realizes a millisecond delay by very bad busy-wait.
- *
- * requires:    - nothing -
- * parameters:  ms - delay time in milliseconds
- * returns:     - nothing -
- \* ------------------------------------------------------------------------------------ */
-static void delay(const uint16_t ms)
-{
-for (uint16_t i = 0; i < ms; ++i)
-{
-    if((GPIOB->IDR & (1 << 0) && state != 99) == 0){
-        state = 99;
-        break;
-    }
-    for (uint16_t j = 0; j < LOOPS_PER_MS; ++j)
-    {
-        __asm("NOP");
-    }
-}
-}
-
-/* ************************************ E O F ***************************************** */

.metadata/.plugins/org.eclipse.core.resources/.history/cc/c0f5544c4a2500111a3cc0d2fb41a96e

@@ -0,0 +1,324 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x05
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x01
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+    LDR     r1, =GPIO_IDR
+    MOVS
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r2
+    EORS    r0, r0, r3
+    STR     r0, [r1, #0]
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/d/7043ed744a2500111a3cc0d2fb41a96e

@@ -0,0 +1,323 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x05
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x01
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r2
+    EORS    r0, r0, r3
+    STR     r0, [r1, #0]
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/e2/a017bba74a2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+#    LDR     r1, =GPIOA_MODER
+#    MOVS    r3, #0x05
+#    LDR     r0, [r1, #1]
+#    BICS    r0, r3
+#    MOVS    r3, #0x01
+#    ORRS    r0, r0, r3
+#    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/ee/803b95424a2500111a3cc0d2fb41a96e

@@ -0,0 +1,315 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+    LDR     r1, =GPIO_IDR
+    MOVS
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r2
+    STR     r0, [r1, #0]
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.resources/.history/fd/505dbbb14a2500111a3cc0d2fb41a96e

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r3, #0x05
+    LDR     r0, [r1, #1]
+    BICS    r0, r3
+    MOVS    r3, #0x02
+    ORRS    r0, r0, r3
+    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r3
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#

.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.debug.core.prefs

@@ -5,4 +5,4 @@
 //org.eclipse.debug.core.PREFERRED_DELEGATES/org.eclipse.cdt.launch.remoteApplicationLaunchType=org.eclipse.rse.remotecdt.dsf.debug,debug,;
 eclipse.preferences.version=1
 org.eclipse.debug.core.PREF_DELETE_CONFIGS_ON_PROJECT_DELETE=false
-prefWatchExpressions=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?>\r\n<watchExpressions/>\r\n
+prefWatchExpressions=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?>\n<watchExpressions/>\n

.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.launchbar.core.prefs

@@ -1,7 +1,7 @@
 LaunchTargetManager/org.eclipse.launchbar.core.launchTargetType.local,Local/arch=x86_64
 LaunchTargetManager/org.eclipse.launchbar.core.launchTargetType.local,Local/name=Local
 LaunchTargetManager/org.eclipse.launchbar.core.launchTargetType.local,Local/os=win32
-configDescList=org.eclipse.cdt.dsf.gdb.gdbRemotedescriptorType\:task3 Debug,org.eclipse.cdt.dsf.gdb.gdbRemotedescriptorType\:task3,org.eclipse.cdt.dsf.gdb.gdbRemotedescriptorType\:task4,org.eclipse.cdt.dsf.gdb.gdbRemotedescriptorType\:task2,org.eclipse.cdt.dsf.gdb.gdbRemotedescriptorType\:task1
+configDescList=org.eclipse.cdt.dsf.gdb.gdbRemotedescriptorType\:task3 Debug,org.eclipse.cdt.dsf.gdb.gdbRemotedescriptorType\:task3,org.eclipse.cdt.dsf.gdb.gdbRemotedescriptorType\:task4,org.eclipse.cdt.dsf.gdb.gdbRemotedescriptorType\:task1,org.eclipse.cdt.dsf.gdb.gdbRemotedescriptorType\:task2
 eclipse.preferences.version=1
 org.eclipse.cdt.dsf.gdb.gdbRemotedescriptorType\:A3_Timer/activeLaunchMode=run
 org.eclipse.cdt.dsf.gdb.gdbRemotedescriptorType\:task1/activeLaunchMode=run

.metadata/.plugins/org.eclipse.core.runtime/.settings/org.eclipse.ui.ide.prefs

@@ -1,6 +1,6 @@
 IMPORT_FILES_AND_FOLDERS_RELATIVE=true
 IMPORT_FILES_AND_FOLDERS_TYPE=23,1
 eclipse.preferences.version=1
-platformState=1772304866316
+platformState=1772304866322
 quickStart=false
 tipsAndTricks=true

.metadata/.plugins/org.eclipse.debug.ui/launchConfigurationHistory.xml

@@ -2,8 +2,8 @@
 <launchHistory>
     <launchGroup id="org.eclipse.debug.ui.launchGroup.debug">
         <mruHistory>
-            <launch memento="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;launchConfiguration local=&quot;false&quot; path=&quot;/task1/task1.launch&quot;/&gt;&#13;&#10;"/>
             <launch memento="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;launchConfiguration local=&quot;false&quot; path=&quot;/task2/task2.launch&quot;/&gt;&#13;&#10;"/>
+            <launch memento="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;launchConfiguration local=&quot;false&quot; path=&quot;/task1/task1.launch&quot;/&gt;&#13;&#10;"/>
             <launch memento="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;launchConfiguration local=&quot;false&quot; path=&quot;/task4/task4.launch&quot;/&gt;&#13;&#10;"/>
             <launch memento="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;launchConfiguration local=&quot;false&quot; path=&quot;/task3/task3 Debug.launch&quot;/&gt;&#13;&#10;"/>
         </mruHistory>
@@ -24,8 +24,8 @@
     </launchGroup>
     <launchGroup id="org.eclipse.debug.ui.launchGroup.run">
         <mruHistory>
-            <launch memento="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;launchConfiguration local=&quot;false&quot; path=&quot;/task1/task1.launch&quot;/&gt;&#13;&#10;"/>
             <launch memento="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;launchConfiguration local=&quot;false&quot; path=&quot;/task2/task2.launch&quot;/&gt;&#13;&#10;"/>
+            <launch memento="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;launchConfiguration local=&quot;false&quot; path=&quot;/task1/task1.launch&quot;/&gt;&#13;&#10;"/>
             <launch memento="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;launchConfiguration local=&quot;false&quot; path=&quot;/task4/task4.launch&quot;/&gt;&#13;&#10;"/>
             <launch memento="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;launchConfiguration local=&quot;false&quot; path=&quot;/task3/task3 Debug.launch&quot;/&gt;&#13;&#10;"/>
         </mruHistory>

.metadata/.plugins/org.eclipse.ltk.core.refactoring/.refactorings/task2/2026/3/13/refactorings.history

@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<session version="1.0">&#x0A;<refactoring comment="Rename resource &apos;task2/task2.s&apos; to &apos;task2_tobi.s&apos;" description="Rename resource &apos;task2.s&apos;" flags="7" id="org.eclipse.ltk.core.refactoring.rename.resource" input="task2.s" name="task2_tobi.s" stamp="1774358097434" updateReferences="true"/>&#x0A;<refactoring comment="Rename resource &apos;task2/task2_efe.s&apos; to &apos;task2.s&apos;" description="Rename resource &apos;task2_efe.s&apos;" flags="7" id="org.eclipse.ltk.core.refactoring.rename.resource" input="task2_efe.s" name="task2.s" stamp="1774358106409" updateReferences="true"/>
+</session>

.metadata/.plugins/org.eclipse.ltk.core.refactoring/.refactorings/task2/2026/3/13/refactorings.index

@@ -0,0 +1,2 @@
+1774358097434	Rename resource 'task2.s'
+1774358106409	Rename resource 'task2_efe.s'

.metadata/version.ini

@@ -1,3 +1,3 @@
-#Fri Mar 20 18:06:30 CET 2026
+#Tue Mar 24 14:11:27 CET 2026
 org.eclipse.core.runtime=2
 org.eclipse.platform=4.30.0.v20231201-0110

Zusätliche Abgaben/Termin2.typ

@@ -1,8 +1,16 @@
 = 3.2 Aufgabe 2 - ASM: Interrupts, Entprellen
 == Aufgabenstellung:
-Das Programm soll per Tastendruck den Zustand der LEDs wechseln. Taster *S-1* soll *LED0* und *LED3* ein-bzw. auschalten, Taster *S1 LED1* und *LED2*
+Das Programm soll per Tastendruck den Zustand der LEDs wechseln. Taster *S1* soll *LED0* und *LED3* ein-bzw. auschalten, Taster *S1 LED1* und *LED2*
 == Vorbereitungsfragen:
 === a. Welche vier Einträge stehen am Beginn der ARM Exception Vector Table?
+#table(
+  columns: (1fr, auto, auto),
+  inset: 10pt,
+  align: horizon,
+  table.header(
+    [*Postion*], [*Vektor*], [*Beschreibung*]
+  ),
+    [0], [WWDG], 
 === b. Wie viele Interrupt-Prioritätsstufen unterstützt ein ARM-Controller maximal?
 === c. An welchen Positionen in der Exception Vector Table stehen die Adressen der ISRs für die Tasten? (ST Dokumentation)
 === d. Schauen Sie sich das Prellen eines Tasters an und überlegen Sie sich eine Lösung.

task1/Debug/Src/task1.cyclo

@@ -1,3 +0,0 @@
-../Src/task1.c:53:5:main	14
-../Src/task1.c:157:13:GPIO_init	1
-../Src/task1.c:197:13:delay	6

task1/Debug/Src/task1.d

@@ -1,11 +0,0 @@
-Src/task1.o: ../Src/task1.c ../Inc/stm32g431xx.h ../Inc/core_cm4.h \
- ../Inc/cmsis_version.h ../Inc/cmsis_compiler.h ../Inc/cmsis_gcc.h \
- ../Inc/mpu_armv7.h ../Inc/system_stm32g4xx.h ../Inc/STefi-Light.h
-../Inc/stm32g431xx.h:
-../Inc/core_cm4.h:
-../Inc/cmsis_version.h:
-../Inc/cmsis_compiler.h:
-../Inc/cmsis_gcc.h:
-../Inc/mpu_armv7.h:
-../Inc/system_stm32g4xx.h:
-../Inc/STefi-Light.h:

task1/Debug/Src/task1.su

@@ -1,3 +0,0 @@
-../Src/task1.c:53:5:main	24	static,ignoring_inline_asm
-../Src/task1.c:157:13:GPIO_init	4	static
-../Src/task1.c:197:13:delay	24	static,ignoring_inline_asm

task1/Debug/Src/task1_it.cyclo

@@ -1,2 +0,0 @@
-../Src/task1_it.c:56:6:ISR_error	1
-../Src/task1_it.c:76:6:ISR_default	1

task1/Debug/Src/task1_it.d

@@ -1,11 +0,0 @@
-Src/task1_it.o: ../Src/task1_it.c ../Inc/stm32g431xx.h ../Inc/core_cm4.h \
- ../Inc/cmsis_version.h ../Inc/cmsis_compiler.h ../Inc/cmsis_gcc.h \
- ../Inc/mpu_armv7.h ../Inc/system_stm32g4xx.h ../Inc/STefi-Light.h
-../Inc/stm32g431xx.h:
-../Inc/core_cm4.h:
-../Inc/cmsis_version.h:
-../Inc/cmsis_compiler.h:
-../Inc/cmsis_gcc.h:
-../Inc/mpu_armv7.h:
-../Inc/system_stm32g4xx.h:
-../Inc/STefi-Light.h:

task1/Debug/Src/task1_it.su

@@ -1,2 +0,0 @@
-../Src/task1_it.c:56:6:ISR_error	4	static
-../Src/task1_it.c:76:6:ISR_default	4	static

task1/Debug/Startup/startup_stm32g431kbtx.d

@@ -1 +0,0 @@
-Startup/startup_stm32g431kbtx.o: ../Startup/startup_stm32g431kbtx.s

task1/Debug/Startup/syscalls.cyclo

@@ -1,18 +0,0 @@
-../Startup/syscalls.c:44:6:initialise_monitor_handles	1
-../Startup/syscalls.c:48:5:_getpid	1
-../Startup/syscalls.c:53:5:_kill	1
-../Startup/syscalls.c:61:6:_exit	1
-../Startup/syscalls.c:67:27:_read	2
-../Startup/syscalls.c:80:27:_write	2
-../Startup/syscalls.c:92:5:_close	1
-../Startup/syscalls.c:99:5:_fstat	1
-../Startup/syscalls.c:106:5:_isatty	1
-../Startup/syscalls.c:112:5:_lseek	1
-../Startup/syscalls.c:120:5:_open	1
-../Startup/syscalls.c:128:5:_wait	1
-../Startup/syscalls.c:135:5:_unlink	1
-../Startup/syscalls.c:142:5:_times	1
-../Startup/syscalls.c:148:5:_stat	1
-../Startup/syscalls.c:155:5:_link	1
-../Startup/syscalls.c:163:5:_fork	1
-../Startup/syscalls.c:169:5:_execve	1

task1/Debug/Startup/syscalls.d

@@ -1 +0,0 @@
-Startup/syscalls.o: ../Startup/syscalls.c

task1/Debug/Startup/syscalls.su

@@ -1,18 +0,0 @@
-../Startup/syscalls.c:44:6:initialise_monitor_handles	4	static
-../Startup/syscalls.c:48:5:_getpid	4	static
-../Startup/syscalls.c:53:5:_kill	16	static
-../Startup/syscalls.c:61:6:_exit	16	static
-../Startup/syscalls.c:67:27:_read	32	static
-../Startup/syscalls.c:80:27:_write	32	static
-../Startup/syscalls.c:92:5:_close	16	static
-../Startup/syscalls.c:99:5:_fstat	16	static
-../Startup/syscalls.c:106:5:_isatty	16	static
-../Startup/syscalls.c:112:5:_lseek	24	static
-../Startup/syscalls.c:120:5:_open	12	static
-../Startup/syscalls.c:128:5:_wait	16	static
-../Startup/syscalls.c:135:5:_unlink	16	static
-../Startup/syscalls.c:142:5:_times	16	static
-../Startup/syscalls.c:148:5:_stat	16	static
-../Startup/syscalls.c:155:5:_link	16	static
-../Startup/syscalls.c:163:5:_fork	8	static
-../Startup/syscalls.c:169:5:_execve	24	static

task1/Debug/Startup/sysmem.cyclo

@@ -1 +0,0 @@
-../Startup/sysmem.c:53:7:_sbrk	3

task1/Debug/Startup/sysmem.d

@@ -1 +0,0 @@
-Startup/sysmem.o: ../Startup/sysmem.c

task1/Debug/Startup/sysmem.su

@@ -1 +0,0 @@
-../Startup/sysmem.c:53:7:_sbrk	32	static

task1/Debug/task1.list

@@ -1,764 +0,0 @@
-
-task1.elf:     file format elf32-littlearm
-
-Sections:
-Idx Name          Size      VMA       LMA       File off  Algn
-  0 .isr_vector   000001d8  08000000  08000000  00001000  2**2
-                  CONTENTS, ALLOC, LOAD, READONLY, DATA
-  1 .text         000004bc  080001d8  080001d8  000011d8  2**2
-                  CONTENTS, ALLOC, LOAD, READONLY, CODE
-  2 .rodata       00000000  08000694  0800069c  0000169c  2**0
-                  CONTENTS, ALLOC, LOAD, DATA
-  3 .ARM.extab    00000000  08000694  08000694  0000169c  2**0
-                  CONTENTS
-  4 .ARM          00000000  08000694  08000694  0000169c  2**0
-                  CONTENTS
-  5 .preinit_array 00000000  08000694  0800069c  0000169c  2**0
-                  CONTENTS, ALLOC, LOAD, DATA
-  6 .init_array   00000004  08000694  08000694  00001694  2**2
-                  CONTENTS, ALLOC, LOAD, READONLY, DATA
-  7 .fini_array   00000004  08000698  08000698  00001698  2**2
-                  CONTENTS, ALLOC, LOAD, READONLY, DATA
-  8 .data         00000000  20000000  20000000  0000169c  2**0
-                  CONTENTS, ALLOC, LOAD, DATA
-  9 .ccmsram      00000000  10000000  10000000  0000169c  2**0
-                  CONTENTS
- 10 .bss          00000020  20000000  20000000  00002000  2**2
-                  ALLOC
- 11 ._user_heap_stack 00000600  20000020  20000020  00002000  2**0
-                  ALLOC
- 12 .ARM.attributes 00000030  00000000  00000000  0000169c  2**0
-                  CONTENTS, READONLY
- 13 .debug_info   000007eb  00000000  00000000  000016cc  2**0
-                  CONTENTS, READONLY, DEBUGGING, OCTETS
- 14 .debug_abbrev 00000296  00000000  00000000  00001eb7  2**0
-                  CONTENTS, READONLY, DEBUGGING, OCTETS
- 15 .debug_aranges 00000078  00000000  00000000  00002150  2**3
-                  CONTENTS, READONLY, DEBUGGING, OCTETS
- 16 .debug_rnglists 0000003a  00000000  00000000  000021c8  2**0
-                  CONTENTS, READONLY, DEBUGGING, OCTETS
- 17 .debug_macro  00013740  00000000  00000000  00002202  2**0
-                  CONTENTS, READONLY, DEBUGGING, OCTETS
- 18 .debug_line   00000a3e  00000000  00000000  00015942  2**0
-                  CONTENTS, READONLY, DEBUGGING, OCTETS
- 19 .debug_str    0006f831  00000000  00000000  00016380  2**0
-                  CONTENTS, READONLY, DEBUGGING, OCTETS
- 20 .comment      00000043  00000000  00000000  00085bb1  2**0
-                  CONTENTS, READONLY
- 21 .debug_frame  000000e4  00000000  00000000  00085bf4  2**2
-                  CONTENTS, READONLY, DEBUGGING, OCTETS
- 22 .debug_line_str 0000007a  00000000  00000000  00085cd8  2**0
-                  CONTENTS, READONLY, DEBUGGING, OCTETS
-
-Disassembly of section .text:
-
-080001d8 <__do_global_dtors_aux>:
- 80001d8:	b510      	push	{r4, lr}
- 80001da:	4c05      	ldr	r4, [pc, #20]	@ (80001f0 <__do_global_dtors_aux+0x18>)
- 80001dc:	7823      	ldrb	r3, [r4, #0]
- 80001de:	b933      	cbnz	r3, 80001ee <__do_global_dtors_aux+0x16>
- 80001e0:	4b04      	ldr	r3, [pc, #16]	@ (80001f4 <__do_global_dtors_aux+0x1c>)
- 80001e2:	b113      	cbz	r3, 80001ea <__do_global_dtors_aux+0x12>
- 80001e4:	4804      	ldr	r0, [pc, #16]	@ (80001f8 <__do_global_dtors_aux+0x20>)
- 80001e6:	f3af 8000 	nop.w
- 80001ea:	2301      	movs	r3, #1
- 80001ec:	7023      	strb	r3, [r4, #0]
- 80001ee:	bd10      	pop	{r4, pc}
- 80001f0:	20000000 	.word	0x20000000
- 80001f4:	00000000 	.word	0x00000000
- 80001f8:	0800067c 	.word	0x0800067c
-
-080001fc <frame_dummy>:
- 80001fc:	b508      	push	{r3, lr}
- 80001fe:	4b03      	ldr	r3, [pc, #12]	@ (800020c <frame_dummy+0x10>)
- 8000200:	b11b      	cbz	r3, 800020a <frame_dummy+0xe>
- 8000202:	4903      	ldr	r1, [pc, #12]	@ (8000210 <frame_dummy+0x14>)
- 8000204:	4803      	ldr	r0, [pc, #12]	@ (8000214 <frame_dummy+0x18>)
- 8000206:	f3af 8000 	nop.w
- 800020a:	bd08      	pop	{r3, pc}
- 800020c:	00000000 	.word	0x00000000
- 8000210:	20000004 	.word	0x20000004
- 8000214:	0800067c 	.word	0x0800067c
-
-08000218 <main>:
-static void GPIO_init(void);
-static void delay(const uint16_t ms);
-
-/* ------------------------------------ M A I N --------------------------------------- */
-int main(void)
-{
- 8000218:	b580      	push	{r7, lr}
- 800021a:	b084      	sub	sp, #16
- 800021c:	af00      	add	r7, sp, #0
-  \details Disables IRQ interrupts by setting the I-bit in the CPSR.
-           Can only be executed in Privileged modes.
- */
-__STATIC_FORCEINLINE void __disable_irq(void)
-{
-  __ASM volatile ("cpsid i" : : : "memory");
- 800021e:	b672      	cpsid	i
-}
- 8000220:	bf00      	nop
-    /* --- initialization --- */
-    __disable_irq();        // disable interrupts globally
-
-    GPIO_init();
- 8000222:	f000 f8e9 	bl	80003f8 <GPIO_init>
-  __ASM volatile ("cpsie i" : : : "memory");
- 8000226:	b662      	cpsie	i
-}
- 8000228:	bf00      	nop
-    __enable_irq();         // enable interrupts globally
-
-    /* --- one time tasks --- */
-
-    //s0 Hilfvariablen auserhalb von while deklarieren
-    int running = 0;  //0 Lauflicht aus, 1 Lauflicht an
- 800022a:	2300      	movs	r3, #0
- 800022c:	60fb      	str	r3, [r7, #12]
-    int lastButtonState = 1; // Hilfsvariable zur Flankenerkennung
- 800022e:	2301      	movs	r3, #1
- 8000230:	60bb      	str	r3, [r7, #8]
-
-    /* --- infinite processing loop --- */
-    while (1)
-    {
-        int buttonState = GPIOB->IDR & (1 << 0);
- 8000232:	4b6f      	ldr	r3, [pc, #444]	@ (80003f0 <main+0x1d8>)
- 8000234:	691b      	ldr	r3, [r3, #16]
- 8000236:	f003 0301 	and.w	r3, r3, #1
- 800023a:	607b      	str	r3, [r7, #4]
-
-        // fallende Flanke erkennen
-        if (lastButtonState && !buttonState)
- 800023c:	68bb      	ldr	r3, [r7, #8]
- 800023e:	2b00      	cmp	r3, #0
- 8000240:	d006      	beq.n	8000250 <main+0x38>
- 8000242:	687b      	ldr	r3, [r7, #4]
- 8000244:	2b00      	cmp	r3, #0
- 8000246:	d103      	bne.n	8000250 <main+0x38>
-        {
-            running ^= 1;   // toggle running
- 8000248:	68fb      	ldr	r3, [r7, #12]
- 800024a:	f083 0301 	eor.w	r3, r3, #1
- 800024e:	60fb      	str	r3, [r7, #12]
-           /* delay(50);     // entprellen */
-        }
-
-        lastButtonState = buttonState;
- 8000250:	687b      	ldr	r3, [r7, #4]
- 8000252:	60bb      	str	r3, [r7, #8]
-
-
-        if(running)
- 8000254:	68fb      	ldr	r3, [r7, #12]
- 8000256:	2b00      	cmp	r3, #0
- 8000258:	d0eb      	beq.n	8000232 <main+0x1a>
-        {
-            switch (state)
- 800025a:	4b66      	ldr	r3, [pc, #408]	@ (80003f4 <main+0x1dc>)
- 800025c:	681b      	ldr	r3, [r3, #0]
- 800025e:	2b05      	cmp	r3, #5
- 8000260:	dc12      	bgt.n	8000288 <main+0x70>
- 8000262:	2b00      	cmp	r3, #0
- 8000264:	dbe5      	blt.n	8000232 <main+0x1a>
- 8000266:	2b05      	cmp	r3, #5
- 8000268:	d8e3      	bhi.n	8000232 <main+0x1a>
- 800026a:	a201      	add	r2, pc, #4	@ (adr r2, 8000270 <main+0x58>)
- 800026c:	f852 f023 	ldr.w	pc, [r2, r3, lsl #2]
- 8000270:	08000291 	.word	0x08000291
- 8000274:	080002c5 	.word	0x080002c5
- 8000278:	080002f9 	.word	0x080002f9
- 800027c:	0800032d 	.word	0x0800032d
- 8000280:	08000361 	.word	0x08000361
- 8000284:	08000395 	.word	0x08000395
- 8000288:	2b63      	cmp	r3, #99	@ 0x63
- 800028a:	f000 809b 	beq.w	80003c4 <main+0x1ac>
- 800028e:	e0ad      	b.n	80003ec <main+0x1d4>
-            {
-            case 0:
-                state++;
- 8000290:	4b58      	ldr	r3, [pc, #352]	@ (80003f4 <main+0x1dc>)
- 8000292:	681b      	ldr	r3, [r3, #0]
- 8000294:	3301      	adds	r3, #1
- 8000296:	4a57      	ldr	r2, [pc, #348]	@ (80003f4 <main+0x1dc>)
- 8000298:	6013      	str	r3, [r2, #0]
-                GPIOA->ODR &= ~(1 << 0);
- 800029a:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 800029e:	695b      	ldr	r3, [r3, #20]
- 80002a0:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 80002a4:	f023 0301 	bic.w	r3, r3, #1
- 80002a8:	6153      	str	r3, [r2, #20]
-                delay(WAITTIME);
- 80002aa:	f240 104d 	movw	r0, #333	@ 0x14d
- 80002ae:	f000 f915 	bl	80004dc <delay>
-                GPIOA->ODR |= (1 << 0);
- 80002b2:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 80002b6:	695b      	ldr	r3, [r3, #20]
- 80002b8:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 80002bc:	f043 0301 	orr.w	r3, r3, #1
- 80002c0:	6153      	str	r3, [r2, #20]
-                break;
- 80002c2:	e093      	b.n	80003ec <main+0x1d4>
-            case 1:
-                state++;
- 80002c4:	4b4b      	ldr	r3, [pc, #300]	@ (80003f4 <main+0x1dc>)
- 80002c6:	681b      	ldr	r3, [r3, #0]
- 80002c8:	3301      	adds	r3, #1
- 80002ca:	4a4a      	ldr	r2, [pc, #296]	@ (80003f4 <main+0x1dc>)
- 80002cc:	6013      	str	r3, [r2, #0]
-                GPIOA->ODR &= ~(1 << 1);
- 80002ce:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 80002d2:	695b      	ldr	r3, [r3, #20]
- 80002d4:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 80002d8:	f023 0302 	bic.w	r3, r3, #2
- 80002dc:	6153      	str	r3, [r2, #20]
-                delay(WAITTIME);
- 80002de:	f240 104d 	movw	r0, #333	@ 0x14d
- 80002e2:	f000 f8fb 	bl	80004dc <delay>
-                GPIOA->ODR |= (1 << 1);
- 80002e6:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 80002ea:	695b      	ldr	r3, [r3, #20]
- 80002ec:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 80002f0:	f043 0302 	orr.w	r3, r3, #2
- 80002f4:	6153      	str	r3, [r2, #20]
-                break;
- 80002f6:	e079      	b.n	80003ec <main+0x1d4>
-            case 2:
-                state++;
- 80002f8:	4b3e      	ldr	r3, [pc, #248]	@ (80003f4 <main+0x1dc>)
- 80002fa:	681b      	ldr	r3, [r3, #0]
- 80002fc:	3301      	adds	r3, #1
- 80002fe:	4a3d      	ldr	r2, [pc, #244]	@ (80003f4 <main+0x1dc>)
- 8000300:	6013      	str	r3, [r2, #0]
-                GPIOA->ODR &= ~(1 << 2);
- 8000302:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000306:	695b      	ldr	r3, [r3, #20]
- 8000308:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800030c:	f023 0304 	bic.w	r3, r3, #4
- 8000310:	6153      	str	r3, [r2, #20]
-                delay(WAITTIME);
- 8000312:	f240 104d 	movw	r0, #333	@ 0x14d
- 8000316:	f000 f8e1 	bl	80004dc <delay>
-                GPIOA->ODR |= (1 << 2);
- 800031a:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 800031e:	695b      	ldr	r3, [r3, #20]
- 8000320:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 8000324:	f043 0304 	orr.w	r3, r3, #4
- 8000328:	6153      	str	r3, [r2, #20]
-                break;
- 800032a:	e05f      	b.n	80003ec <main+0x1d4>
-            case 3:
-                state++;
- 800032c:	4b31      	ldr	r3, [pc, #196]	@ (80003f4 <main+0x1dc>)
- 800032e:	681b      	ldr	r3, [r3, #0]
- 8000330:	3301      	adds	r3, #1
- 8000332:	4a30      	ldr	r2, [pc, #192]	@ (80003f4 <main+0x1dc>)
- 8000334:	6013      	str	r3, [r2, #0]
-                GPIOA->ODR &= ~(1 << 3);
- 8000336:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 800033a:	695b      	ldr	r3, [r3, #20]
- 800033c:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 8000340:	f023 0308 	bic.w	r3, r3, #8
- 8000344:	6153      	str	r3, [r2, #20]
-                delay(WAITTIME);
- 8000346:	f240 104d 	movw	r0, #333	@ 0x14d
- 800034a:	f000 f8c7 	bl	80004dc <delay>
-                GPIOA->ODR |= (1 << 3);
- 800034e:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000352:	695b      	ldr	r3, [r3, #20]
- 8000354:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 8000358:	f043 0308 	orr.w	r3, r3, #8
- 800035c:	6153      	str	r3, [r2, #20]
-                break;
- 800035e:	e045      	b.n	80003ec <main+0x1d4>
-            case 4:
-                state++;
- 8000360:	4b24      	ldr	r3, [pc, #144]	@ (80003f4 <main+0x1dc>)
- 8000362:	681b      	ldr	r3, [r3, #0]
- 8000364:	3301      	adds	r3, #1
- 8000366:	4a23      	ldr	r2, [pc, #140]	@ (80003f4 <main+0x1dc>)
- 8000368:	6013      	str	r3, [r2, #0]
-                GPIOA->ODR &= ~(1 << 2);
- 800036a:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 800036e:	695b      	ldr	r3, [r3, #20]
- 8000370:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 8000374:	f023 0304 	bic.w	r3, r3, #4
- 8000378:	6153      	str	r3, [r2, #20]
-                delay(WAITTIME);
- 800037a:	f240 104d 	movw	r0, #333	@ 0x14d
- 800037e:	f000 f8ad 	bl	80004dc <delay>
-                GPIOA->ODR |= (1 << 2);
- 8000382:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000386:	695b      	ldr	r3, [r3, #20]
- 8000388:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800038c:	f043 0304 	orr.w	r3, r3, #4
- 8000390:	6153      	str	r3, [r2, #20]
-                break;
- 8000392:	e02b      	b.n	80003ec <main+0x1d4>
-            case 5:
-                state=0;
- 8000394:	4b17      	ldr	r3, [pc, #92]	@ (80003f4 <main+0x1dc>)
- 8000396:	2200      	movs	r2, #0
- 8000398:	601a      	str	r2, [r3, #0]
-                GPIOA->ODR &= ~(1 << 1);
- 800039a:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 800039e:	695b      	ldr	r3, [r3, #20]
- 80003a0:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 80003a4:	f023 0302 	bic.w	r3, r3, #2
- 80003a8:	6153      	str	r3, [r2, #20]
-                delay(WAITTIME);
- 80003aa:	f240 104d 	movw	r0, #333	@ 0x14d
- 80003ae:	f000 f895 	bl	80004dc <delay>
-                GPIOA->ODR |= (1 << 1);
- 80003b2:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 80003b6:	695b      	ldr	r3, [r3, #20]
- 80003b8:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 80003bc:	f043 0302 	orr.w	r3, r3, #2
- 80003c0:	6153      	str	r3, [r2, #20]
-                break;
- 80003c2:	e013      	b.n	80003ec <main+0x1d4>
-
-            case 99:
-                GPIOA->ODR |= MASK_LED_ALL;
- 80003c4:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 80003c8:	695b      	ldr	r3, [r3, #20]
- 80003ca:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 80003ce:	f043 030f 	orr.w	r3, r3, #15
- 80003d2:	6153      	str	r3, [r2, #20]
-                while(1){
-                    if((GPIOB->IDR & (1 << 0)) == 0){
- 80003d4:	4b06      	ldr	r3, [pc, #24]	@ (80003f0 <main+0x1d8>)
- 80003d6:	691b      	ldr	r3, [r3, #16]
- 80003d8:	f003 0301 	and.w	r3, r3, #1
- 80003dc:	2b00      	cmp	r3, #0
- 80003de:	d1f9      	bne.n	80003d4 <main+0x1bc>
-                        delay(150);
- 80003e0:	2096      	movs	r0, #150	@ 0x96
- 80003e2:	f000 f87b 	bl	80004dc <delay>
-                        state=0;
- 80003e6:	4b03      	ldr	r3, [pc, #12]	@ (80003f4 <main+0x1dc>)
- 80003e8:	2200      	movs	r2, #0
- 80003ea:	601a      	str	r2, [r3, #0]
-    {
- 80003ec:	e721      	b.n	8000232 <main+0x1a>
- 80003ee:	bf00      	nop
- 80003f0:	48000400 	.word	0x48000400
- 80003f4:	2000001c 	.word	0x2000001c
-
-080003f8 <GPIO_init>:
- * requires:    - nothing -
- * parameters:  - none -
- * returns:     - nothing -
- \* ------------------------------------------------------------------------------------ */
-static void GPIO_init(void)
-{
- 80003f8:	b480      	push	{r7}
- 80003fa:	af00      	add	r7, sp, #0
-/* enable port clocks */
-RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN;    // LEDs: A
- 80003fc:	4b35      	ldr	r3, [pc, #212]	@ (80004d4 <GPIO_init+0xdc>)
- 80003fe:	6cdb      	ldr	r3, [r3, #76]	@ 0x4c
- 8000400:	4a34      	ldr	r2, [pc, #208]	@ (80004d4 <GPIO_init+0xdc>)
- 8000402:	f043 0301 	orr.w	r3, r3, #1
- 8000406:	64d3      	str	r3, [r2, #76]	@ 0x4c
-RCC->AHB2ENR |= RCC_AHB2ENR_GPIOBEN;  //Taster versuch
- 8000408:	4b32      	ldr	r3, [pc, #200]	@ (80004d4 <GPIO_init+0xdc>)
- 800040a:	6cdb      	ldr	r3, [r3, #76]	@ 0x4c
- 800040c:	4a31      	ldr	r2, [pc, #196]	@ (80004d4 <GPIO_init+0xdc>)
- 800040e:	f043 0302 	orr.w	r3, r3, #2
- 8000412:	64d3      	str	r3, [r2, #76]	@ 0x4c
-
-/* --- LEDs --- */
-GPIOA->ODR |= MASK_LED_ALL;
- 8000414:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000418:	695b      	ldr	r3, [r3, #20]
- 800041a:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800041e:	f043 030f 	orr.w	r3, r3, #15
- 8000422:	6153      	str	r3, [r2, #20]
-GPIOA->MODER &= ~(3 << 0);
- 8000424:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000428:	681b      	ldr	r3, [r3, #0]
- 800042a:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800042e:	f023 0303 	bic.w	r3, r3, #3
- 8000432:	6013      	str	r3, [r2, #0]
-GPIOA->MODER |= (1 << 0);               // set LED pin to output
- 8000434:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000438:	681b      	ldr	r3, [r3, #0]
- 800043a:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800043e:	f043 0301 	orr.w	r3, r3, #1
- 8000442:	6013      	str	r3, [r2, #0]
-
-/* LED1 als Output */
-GPIOA->MODER &= ~(3 << 2);     // Versuch: LED 1 Mode löschen :klappt so
- 8000444:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000448:	681b      	ldr	r3, [r3, #0]
- 800044a:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800044e:	f023 030c 	bic.w	r3, r3, #12
- 8000452:	6013      	str	r3, [r2, #0]
-GPIOA->MODER |= (1 << 2);      // Versuch: LED 1 PA1 = output :klappt so
- 8000454:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000458:	681b      	ldr	r3, [r3, #0]
- 800045a:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800045e:	f043 0304 	orr.w	r3, r3, #4
- 8000462:	6013      	str	r3, [r2, #0]
-
-/* LED2 als Output */
-GPIOA->MODER &= ~(3 << 4);     // Versuch: LED 2 Mode löschen :klappt
- 8000464:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000468:	681b      	ldr	r3, [r3, #0]
- 800046a:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800046e:	f023 0330 	bic.w	r3, r3, #48	@ 0x30
- 8000472:	6013      	str	r3, [r2, #0]
-GPIOA->MODER |= (1 << 4);      // Versuch: LED 2 PA1 = output :klappt
- 8000474:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000478:	681b      	ldr	r3, [r3, #0]
- 800047a:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800047e:	f043 0310 	orr.w	r3, r3, #16
- 8000482:	6013      	str	r3, [r2, #0]
-
-/* LED3 als output */
-GPIOA->MODER &= ~(3 << 6);
- 8000484:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000488:	681b      	ldr	r3, [r3, #0]
- 800048a:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800048e:	f023 03c0 	bic.w	r3, r3, #192	@ 0xc0
- 8000492:	6013      	str	r3, [r2, #0]
-GPIOA->MODER |= (1 << 6);
- 8000494:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000498:	681b      	ldr	r3, [r3, #0]
- 800049a:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800049e:	f043 0340 	orr.w	r3, r3, #64	@ 0x40
- 80004a2:	6013      	str	r3, [r2, #0]
-
-/* s0 (PB0) als Input Versuch */
-GPIOB->MODER &= ~(3 << 0);
- 80004a4:	4b0c      	ldr	r3, [pc, #48]	@ (80004d8 <GPIO_init+0xe0>)
- 80004a6:	681b      	ldr	r3, [r3, #0]
- 80004a8:	4a0b      	ldr	r2, [pc, #44]	@ (80004d8 <GPIO_init+0xe0>)
- 80004aa:	f023 0303 	bic.w	r3, r3, #3
- 80004ae:	6013      	str	r3, [r2, #0]
-
-/* Pull-Up Aktivieren Versuch */
-GPIOB->PUPDR &= ~(3 << 0);
- 80004b0:	4b09      	ldr	r3, [pc, #36]	@ (80004d8 <GPIO_init+0xe0>)
- 80004b2:	68db      	ldr	r3, [r3, #12]
- 80004b4:	4a08      	ldr	r2, [pc, #32]	@ (80004d8 <GPIO_init+0xe0>)
- 80004b6:	f023 0303 	bic.w	r3, r3, #3
- 80004ba:	60d3      	str	r3, [r2, #12]
-GPIOB->PUPDR |= (1 << 0);  // 01 = Pull-Up
- 80004bc:	4b06      	ldr	r3, [pc, #24]	@ (80004d8 <GPIO_init+0xe0>)
- 80004be:	68db      	ldr	r3, [r3, #12]
- 80004c0:	4a05      	ldr	r2, [pc, #20]	@ (80004d8 <GPIO_init+0xe0>)
- 80004c2:	f043 0301 	orr.w	r3, r3, #1
- 80004c6:	60d3      	str	r3, [r2, #12]
-}
- 80004c8:	bf00      	nop
- 80004ca:	46bd      	mov	sp, r7
- 80004cc:	f85d 7b04 	ldr.w	r7, [sp], #4
- 80004d0:	4770      	bx	lr
- 80004d2:	bf00      	nop
- 80004d4:	40021000 	.word	0x40021000
- 80004d8:	48000400 	.word	0x48000400
-
-080004dc <delay>:
- * requires:    - nothing -
- * parameters:  ms - delay time in milliseconds
- * returns:     - nothing -
- \* ------------------------------------------------------------------------------------ */
-static void delay(const uint16_t ms)
-{
- 80004dc:	b480      	push	{r7}
- 80004de:	b085      	sub	sp, #20
- 80004e0:	af00      	add	r7, sp, #0
- 80004e2:	4603      	mov	r3, r0
- 80004e4:	80fb      	strh	r3, [r7, #6]
-for (uint16_t i = 0; i < ms; ++i)
- 80004e6:	2300      	movs	r3, #0
- 80004e8:	81fb      	strh	r3, [r7, #14]
- 80004ea:	e021      	b.n	8000530 <delay+0x54>
-{
-    if((GPIOB->IDR & (1 << 0) && state != 99) == 0){
- 80004ec:	4b16      	ldr	r3, [pc, #88]	@ (8000548 <delay+0x6c>)
- 80004ee:	691b      	ldr	r3, [r3, #16]
- 80004f0:	f003 0301 	and.w	r3, r3, #1
- 80004f4:	2b00      	cmp	r3, #0
- 80004f6:	d005      	beq.n	8000504 <delay+0x28>
- 80004f8:	4b14      	ldr	r3, [pc, #80]	@ (800054c <delay+0x70>)
- 80004fa:	681b      	ldr	r3, [r3, #0]
- 80004fc:	2b63      	cmp	r3, #99	@ 0x63
- 80004fe:	d001      	beq.n	8000504 <delay+0x28>
- 8000500:	2301      	movs	r3, #1
- 8000502:	e000      	b.n	8000506 <delay+0x2a>
- 8000504:	2300      	movs	r3, #0
- 8000506:	2b00      	cmp	r3, #0
- 8000508:	d103      	bne.n	8000512 <delay+0x36>
-        state = 99;
- 800050a:	4b10      	ldr	r3, [pc, #64]	@ (800054c <delay+0x70>)
- 800050c:	2263      	movs	r2, #99	@ 0x63
- 800050e:	601a      	str	r2, [r3, #0]
-        break;
- 8000510:	e013      	b.n	800053a <delay+0x5e>
-    }
-    for (uint16_t j = 0; j < LOOPS_PER_MS; ++j)
- 8000512:	2300      	movs	r3, #0
- 8000514:	81bb      	strh	r3, [r7, #12]
- 8000516:	e003      	b.n	8000520 <delay+0x44>
-    {
-        __asm("NOP");
- 8000518:	bf00      	nop
-    for (uint16_t j = 0; j < LOOPS_PER_MS; ++j)
- 800051a:	89bb      	ldrh	r3, [r7, #12]
- 800051c:	3301      	adds	r3, #1
- 800051e:	81bb      	strh	r3, [r7, #12]
- 8000520:	89bb      	ldrh	r3, [r7, #12]
- 8000522:	f240 42db 	movw	r2, #1243	@ 0x4db
- 8000526:	4293      	cmp	r3, r2
- 8000528:	d9f6      	bls.n	8000518 <delay+0x3c>
-for (uint16_t i = 0; i < ms; ++i)
- 800052a:	89fb      	ldrh	r3, [r7, #14]
- 800052c:	3301      	adds	r3, #1
- 800052e:	81fb      	strh	r3, [r7, #14]
- 8000530:	89fa      	ldrh	r2, [r7, #14]
- 8000532:	88fb      	ldrh	r3, [r7, #6]
- 8000534:	429a      	cmp	r2, r3
- 8000536:	d3d9      	bcc.n	80004ec <delay+0x10>
-    }
-}
-}
- 8000538:	bf00      	nop
- 800053a:	bf00      	nop
- 800053c:	3714      	adds	r7, #20
- 800053e:	46bd      	mov	sp, r7
- 8000540:	f85d 7b04 	ldr.w	r7, [sp], #4
- 8000544:	4770      	bx	lr
- 8000546:	bf00      	nop
- 8000548:	48000400 	.word	0x48000400
- 800054c:	2000001c 	.word	0x2000001c
-
-08000550 <ISR_error>:
- *
- * Default interrupt handler for core interrupts.
- * Enables the green and red LED on the STefi Light board.
-\* ------------------------------------------------------------------------------------ */
-void ISR_error(void)
-{
- 8000550:	b480      	push	{r7}
- 8000552:	af00      	add	r7, sp, #0
-    /* init */
-    RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN;    // PA: clock on (LEDs)
- 8000554:	4b10      	ldr	r3, [pc, #64]	@ (8000598 <ISR_error+0x48>)
- 8000556:	6cdb      	ldr	r3, [r3, #76]	@ 0x4c
- 8000558:	4a0f      	ldr	r2, [pc, #60]	@ (8000598 <ISR_error+0x48>)
- 800055a:	f043 0301 	orr.w	r3, r3, #1
- 800055e:	64d3      	str	r3, [r2, #76]	@ 0x4c
-    GPIOA->ODR |= MASK_LED_ALL;
- 8000560:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000564:	695b      	ldr	r3, [r3, #20]
- 8000566:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800056a:	f043 030f 	orr.w	r3, r3, #15
- 800056e:	6153      	str	r3, [r2, #20]
-    GPIOA->MODER = (GPIOA->MODER & 0xFFFFFF00) | 0x11;
- 8000570:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000574:	681b      	ldr	r3, [r3, #0]
- 8000576:	f023 03ff 	bic.w	r3, r3, #255	@ 0xff
- 800057a:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800057e:	f043 0311 	orr.w	r3, r3, #17
- 8000582:	6013      	str	r3, [r2, #0]
-
-    while(1)
-    {   /* light up the LEDs permanently */
-        GPIOA->ODR &= ~(MASK_LED_GREEN | MASK_LED_RED);
- 8000584:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 8000588:	695b      	ldr	r3, [r3, #20]
- 800058a:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 800058e:	f023 0305 	bic.w	r3, r3, #5
- 8000592:	6153      	str	r3, [r2, #20]
- 8000594:	e7f6      	b.n	8000584 <ISR_error+0x34>
- 8000596:	bf00      	nop
- 8000598:	40021000 	.word	0x40021000
-
-0800059c <ISR_default>:
- *
- * Default interrupt handler for non-core interrupts.
- * Enables the blue and yellow LED on the STefi Light board.
-\* ------------------------------------------------------------------------------------ */
-void ISR_default(void)
-{
- 800059c:	b480      	push	{r7}
- 800059e:	af00      	add	r7, sp, #0
-    /* init */
-    RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN;    // PA: clock on (LEDs)
- 80005a0:	4b10      	ldr	r3, [pc, #64]	@ (80005e4 <ISR_default+0x48>)
- 80005a2:	6cdb      	ldr	r3, [r3, #76]	@ 0x4c
- 80005a4:	4a0f      	ldr	r2, [pc, #60]	@ (80005e4 <ISR_default+0x48>)
- 80005a6:	f043 0301 	orr.w	r3, r3, #1
- 80005aa:	64d3      	str	r3, [r2, #76]	@ 0x4c
-    GPIOA->ODR |= MASK_LED_ALL;
- 80005ac:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 80005b0:	695b      	ldr	r3, [r3, #20]
- 80005b2:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 80005b6:	f043 030f 	orr.w	r3, r3, #15
- 80005ba:	6153      	str	r3, [r2, #20]
-    GPIOA->MODER = (GPIOA->MODER & 0xFFFFFF00) | 0x44;
- 80005bc:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 80005c0:	681b      	ldr	r3, [r3, #0]
- 80005c2:	f023 03ff 	bic.w	r3, r3, #255	@ 0xff
- 80005c6:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 80005ca:	f043 0344 	orr.w	r3, r3, #68	@ 0x44
- 80005ce:	6013      	str	r3, [r2, #0]
-
-    while(1)
-    {   /* light up the LEDs permanently */
-        GPIOA->ODR &= ~(MASK_LED_BLUE | MASK_LED_YELLOW);
- 80005d0:	f04f 4390 	mov.w	r3, #1207959552	@ 0x48000000
- 80005d4:	695b      	ldr	r3, [r3, #20]
- 80005d6:	f04f 4290 	mov.w	r2, #1207959552	@ 0x48000000
- 80005da:	f023 030a 	bic.w	r3, r3, #10
- 80005de:	6153      	str	r3, [r2, #20]
- 80005e0:	e7f6      	b.n	80005d0 <ISR_default+0x34>
- 80005e2:	bf00      	nop
- 80005e4:	40021000 	.word	0x40021000
-
-080005e8 <Reset_Handler>:
-
-  .section .text.Reset_Handler
-  .weak Reset_Handler
-  .type Reset_Handler, %function
-Reset_Handler:
-  ldr   r0, =_estack
- 80005e8:	480c      	ldr	r0, [pc, #48]	@ (800061c <LoopForever+0x2>)
-  mov   sp, r0          /* set stack pointer */
- 80005ea:	4685      	mov	sp, r0
-/* Call the clock system initialization function.*/
-//  bl  SystemInit
-
-/* Copy the data segment initializers from flash to SRAM */
-  ldr r0, =_sdata
- 80005ec:	480c      	ldr	r0, [pc, #48]	@ (8000620 <LoopForever+0x6>)
-  ldr r1, =_edata
- 80005ee:	490d      	ldr	r1, [pc, #52]	@ (8000624 <LoopForever+0xa>)
-  ldr r2, =_sidata
- 80005f0:	4a0d      	ldr	r2, [pc, #52]	@ (8000628 <LoopForever+0xe>)
-  movs r3, #0
- 80005f2:	2300      	movs	r3, #0
-  b LoopCopyDataInit
- 80005f4:	e002      	b.n	80005fc <LoopCopyDataInit>
-
-080005f6 <CopyDataInit>:
-
-CopyDataInit:
-  ldr r4, [r2, r3]
- 80005f6:	58d4      	ldr	r4, [r2, r3]
-  str r4, [r0, r3]
- 80005f8:	50c4      	str	r4, [r0, r3]
-  adds r3, r3, #4
- 80005fa:	3304      	adds	r3, #4
-
-080005fc <LoopCopyDataInit>:
-
-LoopCopyDataInit:
-  adds r4, r0, r3
- 80005fc:	18c4      	adds	r4, r0, r3
-  cmp r4, r1
- 80005fe:	428c      	cmp	r4, r1
-  bcc CopyDataInit
- 8000600:	d3f9      	bcc.n	80005f6 <CopyDataInit>
-
-/* Zero fill the bss segment. */
-  ldr r2, =_sbss
- 8000602:	4a0a      	ldr	r2, [pc, #40]	@ (800062c <LoopForever+0x12>)
-  ldr r4, =_ebss
- 8000604:	4c0a      	ldr	r4, [pc, #40]	@ (8000630 <LoopForever+0x16>)
-  movs r3, #0
- 8000606:	2300      	movs	r3, #0
-  b LoopFillZerobss
- 8000608:	e001      	b.n	800060e <LoopFillZerobss>
-
-0800060a <FillZerobss>:
-
-FillZerobss:
-  str  r3, [r2]
- 800060a:	6013      	str	r3, [r2, #0]
-  adds r2, r2, #4
- 800060c:	3204      	adds	r2, #4
-
-0800060e <LoopFillZerobss>:
-
-LoopFillZerobss:
-  cmp r2, r4
- 800060e:	42a2      	cmp	r2, r4
-  bcc FillZerobss
- 8000610:	d3fb      	bcc.n	800060a <FillZerobss>
-
-/* Call static constructors */
-  bl __libc_init_array
- 8000612:	f000 f80f 	bl	8000634 <__libc_init_array>
-/* Call the application's entry point.*/
-  bl main
- 8000616:	f7ff fdff 	bl	8000218 <main>
-
-0800061a <LoopForever>:
-
-LoopForever:
-    b LoopForever
- 800061a:	e7fe      	b.n	800061a <LoopForever>
-  ldr   r0, =_estack
- 800061c:	20008000 	.word	0x20008000
-  ldr r0, =_sdata
- 8000620:	20000000 	.word	0x20000000
-  ldr r1, =_edata
- 8000624:	20000000 	.word	0x20000000
-  ldr r2, =_sidata
- 8000628:	0800069c 	.word	0x0800069c
-  ldr r2, =_sbss
- 800062c:	20000000 	.word	0x20000000
-  ldr r4, =_ebss
- 8000630:	20000020 	.word	0x20000020
-
-08000634 <__libc_init_array>:
- 8000634:	b570      	push	{r4, r5, r6, lr}
- 8000636:	4d0d      	ldr	r5, [pc, #52]	@ (800066c <__libc_init_array+0x38>)
- 8000638:	4c0d      	ldr	r4, [pc, #52]	@ (8000670 <__libc_init_array+0x3c>)
- 800063a:	1b64      	subs	r4, r4, r5
- 800063c:	10a4      	asrs	r4, r4, #2
- 800063e:	2600      	movs	r6, #0
- 8000640:	42a6      	cmp	r6, r4
- 8000642:	d109      	bne.n	8000658 <__libc_init_array+0x24>
- 8000644:	4d0b      	ldr	r5, [pc, #44]	@ (8000674 <__libc_init_array+0x40>)
- 8000646:	4c0c      	ldr	r4, [pc, #48]	@ (8000678 <__libc_init_array+0x44>)
- 8000648:	f000 f818 	bl	800067c <_init>
- 800064c:	1b64      	subs	r4, r4, r5
- 800064e:	10a4      	asrs	r4, r4, #2
- 8000650:	2600      	movs	r6, #0
- 8000652:	42a6      	cmp	r6, r4
- 8000654:	d105      	bne.n	8000662 <__libc_init_array+0x2e>
- 8000656:	bd70      	pop	{r4, r5, r6, pc}
- 8000658:	f855 3b04 	ldr.w	r3, [r5], #4
- 800065c:	4798      	blx	r3
- 800065e:	3601      	adds	r6, #1
- 8000660:	e7ee      	b.n	8000640 <__libc_init_array+0xc>
- 8000662:	f855 3b04 	ldr.w	r3, [r5], #4
- 8000666:	4798      	blx	r3
- 8000668:	3601      	adds	r6, #1
- 800066a:	e7f2      	b.n	8000652 <__libc_init_array+0x1e>
- 800066c:	08000694 	.word	0x08000694
- 8000670:	08000694 	.word	0x08000694
- 8000674:	08000694 	.word	0x08000694
- 8000678:	08000698 	.word	0x08000698
-
-0800067c <_init>:
- 800067c:	b5f8      	push	{r3, r4, r5, r6, r7, lr}
- 800067e:	bf00      	nop
- 8000680:	bcf8      	pop	{r3, r4, r5, r6, r7}
- 8000682:	bc08      	pop	{r3}
- 8000684:	469e      	mov	lr, r3
- 8000686:	4770      	bx	lr
-
-08000688 <_fini>:
- 8000688:	b5f8      	push	{r3, r4, r5, r6, r7, lr}
- 800068a:	bf00      	nop
- 800068c:	bcf8      	pop	{r3, r4, r5, r6, r7}
- 800068e:	bc08      	pop	{r3}
- 8000690:	469e      	mov	lr, r3
- 8000692:	4770      	bx	lr

task1/Debug/task1.map

@@ -1,825 +0,0 @@
-Archive member included to satisfy reference by file (symbol)
-
-/opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-exit.o)
-                              /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/crt0.o (exit)
-/opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-findfp.o)
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-                              /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-findfp.o) (_fwalk_sglue)
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-/opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-closer.o)
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-/opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-impure.o)
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-                              /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-stdio.o) (_read_r)
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-                              /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-stdio.o) (_write_r)
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-                              ./Startup/syscalls.o (__errno)
-/opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-init.o)
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-
-Discarded input sections
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- .ARM.attributes
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- .text          0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-mallocr.o)
- .data          0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-mallocr.o)
- .bss           0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-mallocr.o)
- .text.sbrk_aligned
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- .text._malloc_r
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- .bss.__malloc_sbrk_start
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- .bss.__malloc_free_list
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- .debug_frame   0x00000000       0x50 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-mallocr.o)
- .ARM.attributes
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- .text          0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-mlock.o)
- .data          0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-mlock.o)
- .bss           0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-mlock.o)
- .text.__malloc_lock
-                0x00000000        0xc /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-mlock.o)
- .text.__malloc_unlock
-                0x00000000        0xc /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-mlock.o)
- .debug_frame   0x00000000       0x30 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-mlock.o)
- .ARM.attributes
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- .data          0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-fflush.o)
- .bss           0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-fflush.o)
- .text.__sflush_r
-                0x00000000      0x108 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-fflush.o)
- .text._fflush_r
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- .text.fflush   0x00000000       0x28 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-fflush.o)
- .debug_frame   0x00000000       0x5c /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-fflush.o)
- .ARM.attributes
-                0x00000000       0x34 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-fflush.o)
- .text          0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-sbrkr.o)
- .data          0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-sbrkr.o)
- .bss           0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-sbrkr.o)
- .text._sbrk_r  0x00000000       0x20 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-sbrkr.o)
- .debug_frame   0x00000000       0x2c /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-sbrkr.o)
- .ARM.attributes
-                0x00000000       0x34 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-sbrkr.o)
- .text          0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtend.o
- .data          0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtend.o
- .bss           0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtend.o
- .rodata        0x00000000       0x24 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtend.o
- .eh_frame      0x00000000        0x4 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtend.o
- .ARM.attributes
-                0x00000000       0x34 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtend.o
- .text          0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtn.o
- .data          0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtn.o
- .bss           0x00000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtn.o
-
-Memory Configuration
-
-Name             Origin             Length             Attributes
-CCMSRAM          0x10000000         0x00002800         xrw
-RAM              0x20000000         0x00008000         xrw
-FLASH            0x08000000         0x00020000         xr
-*default*        0x00000000         0xffffffff
-
-Linker script and memory map
-
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crti.o
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtbegin.o
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/crt0.o
-LOAD ./Src/task1.o
-LOAD ./Src/task1_it.o
-LOAD ./Startup/startup_stm32g431kbtx.o
-LOAD ./Startup/syscalls.o
-LOAD ./Startup/sysmem.o
-START GROUP
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libm.a
-END GROUP
-START GROUP
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/libgcc.a
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a
-END GROUP
-START GROUP
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/libgcc.a
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libnosys.a
-END GROUP
-START GROUP
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/libgcc.a
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libnosys.a
-END GROUP
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtend.o
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtn.o
-                0x20008000                        _estack = (ORIGIN (RAM) + LENGTH (RAM))
-                0x00000200                        _Min_Heap_Size = 0x200
-                0x00000400                        _Min_Stack_Size = 0x400
-
-.isr_vector     0x08000000      0x1d8
-                0x08000000                        . = ALIGN (0x4)
- *(.isr_vector)
- .isr_vector    0x08000000      0x1d8 ./Src/task1_it.o
-                0x08000000                paIsrFunc
-                0x080001d8                        . = ALIGN (0x4)
-
-.text           0x080001d8      0x4bc
-                0x080001d8                        . = ALIGN (0x4)
- *(.text)
- .text          0x080001d8       0x40 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtbegin.o
- *(.text*)
- .text.main     0x08000218      0x1e0 ./Src/task1.o
-                0x08000218                main
- .text.GPIO_init
-                0x080003f8       0xe4 ./Src/task1.o
- .text.delay    0x080004dc       0x74 ./Src/task1.o
- .text.ISR_error
-                0x08000550       0x4c ./Src/task1_it.o
-                0x08000550                ISR_error
- .text.ISR_default
-                0x0800059c       0x4c ./Src/task1_it.o
-                0x0800059c                ISR_default
- .text.Reset_Handler
-                0x080005e8       0x4c ./Startup/startup_stm32g431kbtx.o
-                0x080005e8                Reset_Handler
- .text.__libc_init_array
-                0x08000634       0x48 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-init.o)
-                0x08000634                __libc_init_array
- *(.glue_7)
- .glue_7        0x0800067c        0x0 linker stubs
- *(.glue_7t)
- .glue_7t       0x0800067c        0x0 linker stubs
- *(.eh_frame)
- .eh_frame      0x0800067c        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtbegin.o
- *(.init)
- .init          0x0800067c        0x4 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crti.o
-                0x0800067c                _init
- .init          0x08000680        0x8 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtn.o
- *(.fini)
- .fini          0x08000688        0x4 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crti.o
-                0x08000688                _fini
- .fini          0x0800068c        0x8 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtn.o
-                0x08000694                        . = ALIGN (0x4)
-                0x08000694                        _etext = .
-
-.vfp11_veneer   0x08000694        0x0
- .vfp11_veneer  0x08000694        0x0 linker stubs
-
-.v4_bx          0x08000694        0x0
- .v4_bx         0x08000694        0x0 linker stubs
-
-.iplt           0x08000694        0x0
- .iplt          0x08000694        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtbegin.o
-
-.rodata         0x08000694        0x0
-                0x08000694                        . = ALIGN (0x4)
- *(.rodata)
- *(.rodata*)
-                0x08000694                        . = ALIGN (0x4)
-
-.ARM.extab      0x08000694        0x0
-                0x08000694                        . = ALIGN (0x4)
- *(.ARM.extab* .gnu.linkonce.armextab.*)
-                0x08000694                        . = ALIGN (0x4)
-
-.ARM            0x08000694        0x0
-                0x08000694                        . = ALIGN (0x4)
-                0x08000694                        __exidx_start = .
- *(.ARM.exidx*)
-                0x08000694                        __exidx_end = .
-                0x08000694                        . = ALIGN (0x4)
-
-.preinit_array  0x08000694        0x0
-                0x08000694                        . = ALIGN (0x4)
-                0x08000694                        PROVIDE (__preinit_array_start = .)
- *(.preinit_array*)
-                0x08000694                        PROVIDE (__preinit_array_end = .)
-                0x08000694                        . = ALIGN (0x4)
-
-.init_array     0x08000694        0x4
-                0x08000694                        . = ALIGN (0x4)
-                0x08000694                        PROVIDE (__init_array_start = .)
- *(SORT_BY_NAME(.init_array.*))
- *(.init_array*)
- .init_array    0x08000694        0x4 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtbegin.o
-                0x08000698                        PROVIDE (__init_array_end = .)
-                0x08000698                        . = ALIGN (0x4)
-
-.fini_array     0x08000698        0x4
-                0x08000698                        . = ALIGN (0x4)
-                [!provide]                        PROVIDE (__fini_array_start = .)
- *(SORT_BY_NAME(.fini_array.*))
- *(.fini_array*)
- .fini_array    0x08000698        0x4 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtbegin.o
-                [!provide]                        PROVIDE (__fini_array_end = .)
-                0x0800069c                        . = ALIGN (0x4)
-                0x0800069c                        _sidata = LOADADDR (.data)
-
-.rel.dyn        0x0800069c        0x0
- .rel.iplt      0x0800069c        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtbegin.o
-
-.data           0x20000000        0x0 load address 0x0800069c
-                0x20000000                        . = ALIGN (0x4)
-                0x20000000                        _sdata = .
- *(.data)
- *(.data*)
- *(.RamFunc)
- *(.RamFunc*)
-                0x20000000                        . = ALIGN (0x4)
-                0x20000000                        _edata = .
-                0x0800069c                        _siccmsram = LOADADDR (.ccmsram)
-
-.igot.plt       0x20000000        0x0 load address 0x0800069c
- .igot.plt      0x20000000        0x0 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtbegin.o
-
-.ccmsram        0x10000000        0x0 load address 0x0800069c
-                0x10000000                        . = ALIGN (0x4)
-                0x10000000                        _sccmsram = .
- *(.ccmsram)
- *(.ccmsram*)
-                0x10000000                        . = ALIGN (0x4)
-                0x10000000                        _eccmsram = .
-                0x10000000                        . = ALIGN (0x4)
-
-.bss            0x20000000       0x20
-                0x20000000                        _sbss = .
-                0x20000000                        __bss_start__ = _sbss
- *(.bss)
- .bss           0x20000000       0x1c /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtbegin.o
- *(.bss*)
- .bss.state     0x2000001c        0x4 ./Src/task1.o
-                0x2000001c                state
- *(COMMON)
-                0x20000020                        . = ALIGN (0x4)
-                0x20000020                        _ebss = .
-                0x20000020                        __bss_end__ = _ebss
-
-._user_heap_stack
-                0x20000020      0x600
-                0x20000020                        . = ALIGN (0x8)
-                [!provide]                        PROVIDE (end = .)
-                0x20000020                        PROVIDE (_end = .)
-                0x20000220                        . = (. + _Min_Heap_Size)
- *fill*         0x20000020      0x200 
-                0x20000620                        . = (. + _Min_Stack_Size)
- *fill*         0x20000220      0x400 
-                0x20000620                        . = ALIGN (0x8)
-
-/DISCARD/
- libc.a(*)
- libm.a(*)
- libgcc.a(*)
-
-.ARM.attributes
-                0x00000000       0x30
- *(.ARM.attributes)
- .ARM.attributes
-                0x00000000       0x22 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crti.o
- .ARM.attributes
-                0x00000022       0x34 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtbegin.o
- .ARM.attributes
-                0x00000056       0x34 ./Src/task1.o
- .ARM.attributes
-                0x0000008a       0x34 ./Src/task1_it.o
- .ARM.attributes
-                0x000000be       0x21 ./Startup/startup_stm32g431kbtx.o
- .ARM.attributes
-                0x000000df       0x34 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-init.o)
- .ARM.attributes
-                0x00000113       0x22 /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/crtn.o
-OUTPUT(task1.elf elf32-littlearm)
-LOAD linker stubs
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc.a
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libm.a
-LOAD /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/thumb/v7e-m+fp/hard/libgcc.a
-
-.debug_info     0x00000000      0x7eb
- .debug_info    0x00000000      0x42f ./Src/task1.o
- .debug_info    0x0000042f      0x38b ./Src/task1_it.o
- .debug_info    0x000007ba       0x31 ./Startup/startup_stm32g431kbtx.o
-
-.debug_abbrev   0x00000000      0x296
- .debug_abbrev  0x00000000      0x173 ./Src/task1.o
- .debug_abbrev  0x00000173       0xfd ./Src/task1_it.o
- .debug_abbrev  0x00000270       0x26 ./Startup/startup_stm32g431kbtx.o
-
-.debug_aranges  0x00000000       0x78
- .debug_aranges
-                0x00000000       0x30 ./Src/task1.o
- .debug_aranges
-                0x00000030       0x28 ./Src/task1_it.o
- .debug_aranges
-                0x00000058       0x20 ./Startup/startup_stm32g431kbtx.o
-
-.debug_rnglists
-                0x00000000       0x3a
- .debug_rnglists
-                0x00000000       0x21 ./Src/task1.o
- .debug_rnglists
-                0x00000021       0x19 ./Src/task1_it.o
-
-.debug_macro    0x00000000    0x13740
- .debug_macro   0x00000000       0xd4 ./Src/task1.o
- .debug_macro   0x000000d4      0xac0 ./Src/task1.o
- .debug_macro   0x00000b94       0x28 ./Src/task1.o
- .debug_macro   0x00000bbc       0x22 ./Src/task1.o
- .debug_macro   0x00000bde       0x8e ./Src/task1.o
- .debug_macro   0x00000c6c       0x51 ./Src/task1.o
- .debug_macro   0x00000cbd      0x103 ./Src/task1.o
- .debug_macro   0x00000dc0       0x6a ./Src/task1.o
- .debug_macro   0x00000e2a      0x1df ./Src/task1.o
- .debug_macro   0x00001009       0x1c ./Src/task1.o
- .debug_macro   0x00001025       0x22 ./Src/task1.o
- .debug_macro   0x00001047       0xfb ./Src/task1.o
- .debug_macro   0x00001142     0x1011 ./Src/task1.o
- .debug_macro   0x00002153      0x11f ./Src/task1.o
- .debug_macro   0x00002272    0x11396 ./Src/task1.o
- .debug_macro   0x00013608       0x70 ./Src/task1.o
- .debug_macro   0x00013678       0xc8 ./Src/task1_it.o
-
-.debug_line     0x00000000      0xa3e
- .debug_line    0x00000000      0x58f ./Src/task1.o
- .debug_line    0x0000058f      0x445 ./Src/task1_it.o
- .debug_line    0x000009d4       0x6a ./Startup/startup_stm32g431kbtx.o
-
-.debug_str      0x00000000    0x6f831
- .debug_str     0x00000000    0x6f7b8 ./Src/task1.o
-                              0x6f954 (size before relaxing)
- .debug_str     0x0006f7b8       0x48 ./Src/task1_it.o
-                              0x6f900 (size before relaxing)
- .debug_str     0x0006f800       0x31 ./Startup/startup_stm32g431kbtx.o
-                                 0x96 (size before relaxing)
-
-.comment        0x00000000       0x43
- .comment       0x00000000       0x43 ./Src/task1.o
-                                 0x44 (size before relaxing)
- .comment       0x00000043       0x44 ./Src/task1_it.o
-
-.debug_frame    0x00000000       0xe4
- .debug_frame   0x00000000       0x78 ./Src/task1.o
- .debug_frame   0x00000078       0x40 ./Src/task1_it.o
- .debug_frame   0x000000b8       0x2c /opt/st/stm32cubeide_1.16.0/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.12.3.rel1.linux64_1.0.200.202406132123/tools/bin/../lib/gcc/arm-none-eabi/12.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard/libc_nano.a(libc_a-init.o)
-
-.debug_line_str
-                0x00000000       0x7a
- .debug_line_str
-                0x00000000       0x7a ./Startup/startup_stm32g431kbtx.o

task2/task2.launch

@@ -37,7 +37,7 @@
     <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.stlink_txt_serial_number" value=""/>
     <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlink.watchdog_config" value="none"/>
     <booleanAttribute key="com.st.stm32cube.ide.mcu.debug.stlinkenable_rtos" value="false"/>
-    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlinkrestart_configurations" value="{&quot;fVersion&quot;:1,&quot;fItems&quot;:[{&quot;fDisplayName&quot;:&quot;Reset&quot;,&quot;fIsSuppressible&quot;:false,&quot;fResetAttribute&quot;:&quot;Software system reset&quot;,&quot;fResetStrategies&quot;:[{&quot;fDisplayName&quot;:&quot;Software system reset&quot;,&quot;fLaunchAttribute&quot;:&quot;system_reset&quot;,&quot;fGdbCommands&quot;:[&quot;monitor reset\r\n&quot;],&quot;fCmdOptions&quot;:[&quot;-g&quot;]},{&quot;fDisplayName&quot;:&quot;Hardware reset&quot;,&quot;fLaunchAttribute&quot;:&quot;hardware_reset&quot;,&quot;fGdbCommands&quot;:[&quot;monitor reset hardware\r\n&quot;],&quot;fCmdOptions&quot;:[&quot;-g&quot;]},{&quot;fDisplayName&quot;:&quot;Core reset&quot;,&quot;fLaunchAttribute&quot;:&quot;core_reset&quot;,&quot;fGdbCommands&quot;:[&quot;monitor reset core\r\n&quot;],&quot;fCmdOptions&quot;:[&quot;-g&quot;]},{&quot;fDisplayName&quot;:&quot;None&quot;,&quot;fLaunchAttribute&quot;:&quot;no_reset&quot;,&quot;fGdbCommands&quot;:[],&quot;fCmdOptions&quot;:[&quot;-g&quot;]}],&quot;fGdbCommandGroup&quot;:{&quot;name&quot;:&quot;Additional commands&quot;,&quot;commands&quot;:[]},&quot;fStartApplication&quot;:true}]}"/>
+    <stringAttribute key="com.st.stm32cube.ide.mcu.debug.stlinkrestart_configurations" value="{&quot;fVersion&quot;:1,&quot;fItems&quot;:[{&quot;fDisplayName&quot;:&quot;Reset&quot;,&quot;fIsSuppressible&quot;:false,&quot;fResetAttribute&quot;:&quot;Software system reset&quot;,&quot;fResetStrategies&quot;:[{&quot;fDisplayName&quot;:&quot;Software system reset&quot;,&quot;fLaunchAttribute&quot;:&quot;system_reset&quot;,&quot;fGdbCommands&quot;:[&quot;monitor reset\n&quot;],&quot;fCmdOptions&quot;:[&quot;-g&quot;]},{&quot;fDisplayName&quot;:&quot;Hardware reset&quot;,&quot;fLaunchAttribute&quot;:&quot;hardware_reset&quot;,&quot;fGdbCommands&quot;:[&quot;monitor reset hardware\n&quot;],&quot;fCmdOptions&quot;:[&quot;-g&quot;]},{&quot;fDisplayName&quot;:&quot;Core reset&quot;,&quot;fLaunchAttribute&quot;:&quot;core_reset&quot;,&quot;fGdbCommands&quot;:[&quot;monitor reset core\n&quot;],&quot;fCmdOptions&quot;:[&quot;-g&quot;]},{&quot;fDisplayName&quot;:&quot;None&quot;,&quot;fLaunchAttribute&quot;:&quot;no_reset&quot;,&quot;fGdbCommands&quot;:[],&quot;fCmdOptions&quot;:[&quot;-g&quot;]}],&quot;fGdbCommandGroup&quot;:{&quot;name&quot;:&quot;Additional commands&quot;,&quot;commands&quot;:[]},&quot;fStartApplication&quot;:true}]}"/>
     <booleanAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.enableRtosProxy" value="false"/>
     <stringAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.rtosProxyCustomProperties" value=""/>
     <stringAttribute key="com.st.stm32cube.ide.mcu.rtosproxy.rtosProxyDriver" value="threadx"/>

task2/task2.lst

@@ -0,0 +1,156 @@
+
+task2.elf:     file format elf32-littlearm
+
+Sections:
+Idx Name          Size      VMA       LMA       File off  Algn
+  0 .vectortable  00000014  08000000  08000000  00001000  2**2
+                  CONTENTS, ALLOC, LOAD, READONLY, DATA
+  1 .text         00000074  08000400  08000400  00001400  2**2
+                  CONTENTS, ALLOC, LOAD, READONLY, CODE
+  2 .exhand       00000068  08001000  08001000  00002000  2**2
+                  CONTENTS, ALLOC, LOAD, READONLY, CODE
+SYMBOL TABLE:
+08000000 l    d  .vectortable	00000000 .vectortable
+08000400 l    d  .text	00000000 .text
+08001000 l    d  .exhand	00000000 .exhand
+08001000 l     F .exhand	00000000 _ISR_NMI
+08001028 l     F .exhand	00000000 _ISR_HARDF
+08001050 l     F .exhand	00000000 _ISR_S0
+08000466 l       .text	00000000 .lp1
+08001058 l     F .exhand	00000000 _ISR_S1
+0800105e l       .exhand	00000000 .lp2
+08000400 g     F .text	00000000 init
+08000444 g     F .text	00000000 main
+08000454 g     F .text	00000000 delay
+08000460 g       .text	00000000 stop
+
+
+
+Disassembly of section .vectortable:
+
+08000000 <.vectortable>:
+ 8000000:	20004000 	.word	0x20004000
+ 8000004:	08000401 	.word	0x08000401
+ 8000008:	08001001 	.word	0x08001001
+ 800000c:	08001029 	.word	0x08001029
+ 8000010:	08001051 	.word	0x08001051
+
+Disassembly of section .text:
+
+08000400 <init>:
+ 8000400:	b672      	cpsid	i
+ 8000402:	2000      	movs	r0, #0
+ 8000404:	2100      	movs	r1, #0
+ 8000406:	2200      	movs	r2, #0
+ 8000408:	2300      	movs	r3, #0
+ 800040a:	2400      	movs	r4, #0
+ 800040c:	2500      	movs	r5, #0
+ 800040e:	2600      	movs	r6, #0
+ 8000410:	2700      	movs	r7, #0
+ 8000412:	4680      	mov	r8, r0
+ 8000414:	4681      	mov	r9, r0
+ 8000416:	4682      	mov	sl, r0
+ 8000418:	4683      	mov	fp, r0
+ 800041a:	4684      	mov	ip, r0
+ 800041c:	4912      	ldr	r1, [pc, #72]	@ (8000468 <.lp1+0x2>)
+ 800041e:	f04f 0201 	mov.w	r2, #1
+ 8000422:	6808      	ldr	r0, [r1, #0]
+ 8000424:	4310      	orrs	r0, r2
+ 8000426:	6008      	str	r0, [r1, #0]
+ 8000428:	f04f 4190 	mov.w	r1, #1207959552	@ 0x48000000
+ 800042c:	2203      	movs	r2, #3
+ 800042e:	6808      	ldr	r0, [r1, #0]
+ 8000430:	4390      	bics	r0, r2
+ 8000432:	2201      	movs	r2, #1
+ 8000434:	4310      	orrs	r0, r2
+ 8000436:	6008      	str	r0, [r1, #0]
+ 8000438:	490c      	ldr	r1, [pc, #48]	@ (800046c <.lp1+0x6>)
+ 800043a:	2201      	movs	r2, #1
+ 800043c:	6808      	ldr	r0, [r1, #0]
+ 800043e:	4310      	orrs	r0, r2
+ 8000440:	6008      	str	r0, [r1, #0]
+ 8000442:	b662      	cpsie	i
+
+08000444 <main>:
+ 8000444:	4909      	ldr	r1, [pc, #36]	@ (800046c <.lp1+0x6>)
+ 8000446:	4050      	eors	r0, r2
+ 8000448:	6008      	str	r0, [r1, #0]
+ 800044a:	f000 f803 	bl	8000454 <delay>
+ 800044e:	f7ff bff9 	b.w	8000444 <main>
+ 8000452:	bf00      	nop
+
+08000454 <delay>:
+ 8000454:	2600      	movs	r6, #0
+ 8000456:	4f06      	ldr	r7, [pc, #24]	@ (8000470 <.lp1+0xa>)
+ 8000458:	3601      	adds	r6, #1
+ 800045a:	42be      	cmp	r6, r7
+ 800045c:	d1fc      	bne.n	8000458 <delay+0x4>
+ 800045e:	4770      	bx	lr
+
+08000460 <stop>:
+ 8000460:	bf00      	nop
+ 8000462:	f7ff bffd 	b.w	8000460 <stop>
+
+08000466 <.lp1>:
+ 8000466:	0000      	.short	0x0000
+ 8000468:	4002104c 	.word	0x4002104c
+ 800046c:	48000014 	.word	0x48000014
+ 8000470:	001e8480 	.word	0x001e8480
+
+Disassembly of section .exhand:
+
+08001000 <_ISR_NMI>:
+ 8001000:	4917      	ldr	r1, [pc, #92]	@ (8001060 <.lp2+0x2>)
+ 8001002:	f04f 0201 	mov.w	r2, #1
+ 8001006:	6808      	ldr	r0, [r1, #0]
+ 8001008:	4310      	orrs	r0, r2
+ 800100a:	6008      	str	r0, [r1, #0]
+ 800100c:	f04f 4190 	mov.w	r1, #1207959552	@ 0x48000000
+ 8001010:	22ff      	movs	r2, #255	@ 0xff
+ 8001012:	6808      	ldr	r0, [r1, #0]
+ 8001014:	4390      	bics	r0, r2
+ 8001016:	2244      	movs	r2, #68	@ 0x44
+ 8001018:	4310      	orrs	r0, r2
+ 800101a:	6008      	str	r0, [r1, #0]
+ 800101c:	4911      	ldr	r1, [pc, #68]	@ (8001064 <.lp2+0x6>)
+ 800101e:	220a      	movs	r2, #10
+ 8001020:	6808      	ldr	r0, [r1, #0]
+ 8001022:	4390      	bics	r0, r2
+ 8001024:	6008      	str	r0, [r1, #0]
+ 8001026:	e7eb      	b.n	8001000 <_ISR_NMI>
+
+08001028 <_ISR_HARDF>:
+ 8001028:	490d      	ldr	r1, [pc, #52]	@ (8001060 <.lp2+0x2>)
+ 800102a:	f04f 0201 	mov.w	r2, #1
+ 800102e:	6808      	ldr	r0, [r1, #0]
+ 8001030:	4310      	orrs	r0, r2
+ 8001032:	6008      	str	r0, [r1, #0]
+ 8001034:	f04f 4190 	mov.w	r1, #1207959552	@ 0x48000000
+ 8001038:	22ff      	movs	r2, #255	@ 0xff
+ 800103a:	6808      	ldr	r0, [r1, #0]
+ 800103c:	4390      	bics	r0, r2
+ 800103e:	2211      	movs	r2, #17
+ 8001040:	4310      	orrs	r0, r2
+ 8001042:	6008      	str	r0, [r1, #0]
+ 8001044:	4907      	ldr	r1, [pc, #28]	@ (8001064 <.lp2+0x6>)
+ 8001046:	2205      	movs	r2, #5
+ 8001048:	6808      	ldr	r0, [r1, #0]
+ 800104a:	4390      	bics	r0, r2
+ 800104c:	6008      	str	r0, [r1, #0]
+ 800104e:	e7eb      	b.n	8001028 <_ISR_HARDF>
+
+08001050 <_ISR_S0>:
+ 8001050:	b500      	push	{lr}
+ 8001052:	bc02      	pop	{r1}
+ 8001054:	4708      	bx	r1
+ 8001056:	bf00      	nop
+
+08001058 <_ISR_S1>:
+ 8001058:	b500      	push	{lr}
+ 800105a:	bc02      	pop	{r1}
+ 800105c:	4708      	bx	r1
+
+0800105e <.lp2>:
+ 800105e:	0000      	.short	0x0000
+ 8001060:	4002104c 	.word	0x4002104c
+ 8001064:	48000014 	.word	0x48000014

task2/task2.map

@@ -0,0 +1,92 @@
+
+Memory Configuration
+
+Name             Origin             Length             Attributes
+IVECS            0x08000000         0x000001d8         r
+PGM              0x08000400         0x00000c00         xr
+EXHANDS          0x08001000         0x00000400         xr
+RAM              0x20000000         0x00001800         rw
+*default*        0x00000000         0xffffffff
+
+Linker script and memory map
+
+
+.vectortable    0x08000000       0x14
+                0x08000000                        . = ALIGN (0x4)
+ *(.vectortable)
+ .vectortable   0x08000000       0x14 task2.o
+                0x08000014                        . = ALIGN (0x4)
+
+.text           0x08000400       0x74
+ *(.text)
+ .text          0x08000400       0x74 task2.o
+                0x08000400                init
+                0x08000444                main
+                0x08000454                delay
+                0x08000460                stop
+
+.glue_7         0x08000474        0x0
+ .glue_7        0x08000474        0x0 linker stubs
+
+.glue_7t        0x08000474        0x0
+ .glue_7t       0x08000474        0x0 linker stubs
+
+.vfp11_veneer   0x08000474        0x0
+ .vfp11_veneer  0x08000474        0x0 linker stubs
+
+.v4_bx          0x08000474        0x0
+ .v4_bx         0x08000474        0x0 linker stubs
+
+.iplt           0x08000474        0x0
+ .iplt          0x08000474        0x0 task2.o
+
+.exhand         0x08001000       0x68
+ *(.exhand)
+ .exhand        0x08001000       0x68 task2.o
+LOAD task2.o
+OUTPUT(task2.elf elf32-littlearm)
+LOAD linker stubs
+
+.rel.dyn        0x08001068        0x0
+ .rel.iplt      0x08001068        0x0 task2.o
+
+.data           0x08001068        0x0
+ .data          0x08001068        0x0 task2.o
+
+.igot.plt       0x08001068        0x0
+ .igot.plt      0x08001068        0x0 task2.o
+
+.bss            0x08001068        0x0
+ .bss           0x08001068        0x0 task2.o
+
+.ARM.attributes
+                0x00000000       0x21
+ .ARM.attributes
+                0x00000000       0x21 task2.o
+
+.debug_line     0x00000000       0xc1
+ .debug_line    0x00000000       0xc1 task2.o
+
+.debug_info     0x00000000       0x22
+ .debug_info    0x00000000       0x22 task2.o
+
+.debug_abbrev   0x00000000       0x12
+ .debug_abbrev  0x00000000       0x12 task2.o
+
+.debug_aranges  0x00000000       0x28
+ .debug_aranges
+                0x00000000       0x28 task2.o
+
+.debug_str      0x00000000       0x68
+ .debug_str     0x00000000       0x68 task2.o
+
+.debug_ranges   0x00000000       0x20
+ .debug_ranges  0x00000000       0x20 task2.o
+
+Cross Reference Table
+
+Symbol                                            File
+delay                                             task2.o
+init                                              task2.o
+main                                              task2.o
+stop                                              task2.o

task2/task2.s

@@ -1,45 +1,32 @@
 #****************************************************************************************#
 #   Project:    task2 - ASM: Interrupts
 #   File:       task2.s
-#
-#   Language:   ASM
-#
 #   Hardware:   STefi Light v1.1
 #   Processor:  STM32G431KBT6U
-#
-#   Author:     Manuel Lederhofer
-#   Datum:      31.10.2014
-#
-#   Version:    6.0
-#   History:
-#       31.10.2014  ML  create file
-#       27.09.2018  ML  edit comments, extend vector table
-#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
-#       27.02.2019  ML  move section of exception handlers to bottom of file
-#		25.09.2019	ML	minor changes for a better code and comment understanding
-#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
-#       21.09.2020  ML  tidy up, comments and formatting
-#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
-#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
-#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
-#       24.06.2025  TK  remove /* ... place your code here ... */
-#
-#   Status:     working
-#
-#   Description:
-#       See the description and requirements of the requested application
-#       in the lab exercise guide.
-#
-#   Notes:
-#       - MCU speed at startup is 16 MHz
-#
-#   ToDo:
-#       - Change the example code to match the description and requirements
-#          of the requested application in the lab exercise guide.
 #****************************************************************************************#
 
     .include "G431_addr.s"
 
+    // Zusätzliche und benötigte Adressen
+    .equ RCC_AHB2ENR,    0x4002104C
+    .equ RCC_APB2ENR,    0x40021060
+
+    .equ GPIOA_MODER,    0x48000000
+    .equ GPIOA_ODR,      0x48000014
+
+    .equ GPIOC_MODER,    0x48000800
+    .equ GPIOC_PUPDR,    0x4800080C
+    .equ GPIOC_IDR,      0x48000810
+
+    .equ SYSCFG_BASE,    0x40010000
+    .equ SYSCFG_EXTICR4, (SYSCFG_BASE + 0x14)
+
+    .equ EXTI_BASE,      0x40010400
+    .equ EXTI_IMR1,      (EXTI_BASE + 0x00)
+    .equ EXTI_FTSR1,     (EXTI_BASE + 0x0C)
+    .equ EXTI_PR1,       (EXTI_BASE + 0x14)
+
+    .equ NVIC_ISER1,     0xE000E104
 
 #----------------------------------------------------------------------------------------#
     .section .vectortable,"a"   // vector table at begin of ROM
@@ -47,20 +34,13 @@
 
     .align  2
 
-    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x20004000          // initial Stack Pointer
     .word   0x08000401          // initial Program Counter
     .word   _ISR_NMI            // non-masking interrupt
     .word   _ISR_HARDF          // hard fault interrupt
 
-
+    .space  0xD0                // padding 208 Bytes bis Offset 0xE0 (EXTI15_10 IRQ 40)
-
+    .word   _ISR_S0_S1          // gemeinsamer Interrupt für PC13 (S0) und PC14 (S1)
-    /* N.B.
-        Look at the .space or the .org assembler directive to insert the address of the
-        ISRs at the right place in the vector table. Verify your settings by the help of
-        the list file. */
-
-    .word   _ISR_S0
-
 
 #----------------------------------------------------------------------------------------#
     .text                       // section .text (default section for program code)
@@ -90,57 +70,85 @@ init:
     MOV     r12, r0
 
 #--- enable port clocking
-    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    LDR     r1, =RCC_AHB2ENR
-    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    MOVS    r2, #0x05           // Bit 0 (GPIOA) und Bit 2 (GPIOC)
-    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    LDR     r0, [r1, #0]
-    ORRS    r0, r0, r2          // configure clock gating for ports
+    ORRS    r0, r2
-    STR     r0, [r1, #0]        // apply settings
+    STR     r0, [r1, #0]
 
 #--- port init
-#- LEDs
+#- LEDs (PA0-PA3)
-    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    LDR     r1, =GPIOA_MODER
-    MOVS    r2, #0x03           // prepare mask
+    LDR     r2, =0x000000FF     // Maske PA0-PA3
-    LDR     r0, [r1, #0]        // get current value of port A mode register
+    LDR     r0, [r1, #0]
-    BICS    r0, r2              // delete bits
+    BICS    r0, r2
-    MOVS    r2, #0x01           // load configuration mask
+    LDR     r2, =0x00000055     // Maske Output 0101 0101
-    ORRS    r0, r0, r2          // apply mask
+    ORRS    r0, r2
-    STR     r0, [r1, #0]        // apply result to port A mode register
+    STR     r0, [r1, #0]
 
 #- switch LED off
-    LDR     r1, =GPIOA_ODR      // load port A output data register
+    LDR     r1, =GPIOA_ODR
-    MOVS    r2, #0x01           // load mask for LED
+    MOVS    r2, #0x0F           // Maske LED0-3
-    LDR     r0, [r1, #0]        // get current value of GPIOA
+    LDR     r0, [r1, #0]
-    ORRS    r0, r0, r2          // configure pin state
+    ORRS    r0, r2
-    STR     r0, [r1, #0]        // apply settings
+    STR     r0, [r1, #0]
 
-#- buttons
+#- buttons (PC13, PC14 als Input)
-
+    LDR     r1, =GPIOC_MODER
-    /* ... place your code here ... */
+    LDR     r2, =0x3C000000     // Maske Bits 26-29
+    LDR     r0, [r1, #0]
+    BICS    r0, r2
+    STR     r0, [r1, #0]
 
+#- Pull-Up für PC13, PC14
+    LDR     r1, =GPIOC_PUPDR
+    LDR     r2, =0x3C000000
+    LDR     r0, [r1, #0]
+    BICS    r0, r2
+    LDR     r2, =0x14000000     // 01 = Pull-Up für PC13 (Bits 27:26) und PC14 (Bits 29:28)
+    ORRS    r0, r2
+    STR     r0, [r1, #0]
 
 #--- button interrupt config
 
 #- enable clock for SYSCFG module
-
+    LDR     r1, =RCC_APB2ENR
+    MOVS    r2, #0x01
+    LDR     r0, [r1, #0]
+    ORRS    r0, r2
+    STR     r0, [r1, #0]
 
 #- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
-#  in SYSCFG module (SYSCFG_* registers)
+    LDR     r1, =SYSCFG_EXTICR4
-
+    LDR     r2, =0x00000FF0     // Maske für EXTI13 (Bits 7:4) und EXTI14 (Bits 11:8)
-
+    LDR     r0, [r1, #0]
-
+    BICS    r0, r2
+    LDR     r2, =0x00000220     // Port C (0010) für EXTI13 und EXTI14
+    ORRS    r0, r2
+    STR     r0, [r1, #0]
 
 #- configure lines in EXTI module (EXTI_* registers)
+    LDR     r1, =EXTI_FTSR1     // Fallende Flanke
+    LDR     r2, =0x00006000     // Bits 13 und 14
+    LDR     r0, [r1, #0]
+    ORRS    r0, r2
+    STR     r0, [r1, #0]
 
-
+    LDR     r1, =EXTI_IMR1      // Maskierung aufheben
+    LDR     r2, =0x00006000
+    LDR     r0, [r1, #0]
+    ORRS    r0, r2
+    STR     r0, [r1, #0]
 
 #- NVIC: set interrupt priority, clear pending bits
-#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+    LDR     r1, =NVIC_ISER1
-
+    LDR     r2, =0x00000100     // Bit 8 für IRQ 40 (EXTI15_10)
-
+    LDR     r0, [r1, #0]
+    ORRS    r0, r2
+    STR     r0, [r1, #0]
 
     CPSIE   i                   // enable interrupts globally
 
-
 #----------------------------------------------------------------------------------------#
 
     .align  2
@@ -150,16 +158,9 @@ init:
     .global main
     .type   main, %function
 main:
-    LDR     r1, =GPIOA_ODR
+    WFI
-    EORS    r0, r0, r2
-    STR     r0, [r1, #0]
-
-    BL      delay
-
-
     B       main
 
-
 #----------------------------------------------------------------------------------------#
 
     .align  2
@@ -169,30 +170,25 @@ main:
     .global delay
     .type   delay, %function
 delay:
-    MOVS    r6, #0              // ...
+    LDR     r0, =106000         // Entprell-Zeit ~20ms
-    LDR     r7, =2000000        // ...
 .L1:
-    ADDS    r6, r6, #1          // ...
+    SUBS    r0, r0, #1
-    CMP     r6, r7              // ...
+    BNE     .L1
-    BNE     .L1                 // ...
+    BX      lr
-    BX      lr                  // ...
-
 
 #----------------------------------------------------------------------------------------#
 
     .align 2
     .global stop
 stop:
-    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    NOP
-    B       stop                // if this line is reached, something went wrong
+    B       stop
-
 
 #----------------------------------------------------------------------------------------#
-.lp1:           // this label is only to nicify the line up in the .lst file
+.lp1:
     .ltorg
 #----------------------------------------------------------------------------------------#
 
-
 #----------------------------------------------------------------------------------------#
     .section .exhand,"ax"       // section for exception handlers
 #----------------------------------------------------------------------------------------#
@@ -202,32 +198,28 @@ stop:
     .thumb
     .type   _ISR_NMI, %function
 _ISR_NMI:
-#--- enable clock
+    LDR     r1, =RCC_AHB2ENR
-    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01
-    MOV     r2, #0x01           // load mask
-    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
-    ORRS    r0, r0, r2          // configure clock gating for port
-    STR     r0, [r1, #0]        // apply settings
-
-#--- init pins
-    LDR     r1, =GPIOA_MODER    // load port A mode register address
-    MOVS    r2, #0xFF           // prepare mask
-    LDR     r0, [r1, #0]        // get current value of port A mode register
-    BICS    r0, r0, r2          // delete bits
-    MOVS    r2, #0x44           // load configuration mask
-    ORRS    r0, r0, r2          // configure pins
-    STR     r0, [r1, #0]        // apply settings to port A mode register
-
-#--- switch some LEDs on
-    LDR     r1, =GPIOA_ODR      // load port A data output register address
-    MOVS    r2, #0x0A           // load mask for blue and yellow LED
     LDR     r0, [r1, #0]
-    BICS    r0, r0, r2
+    ORRS    r0, r2
-    STR     r0, [r1, #0]        // switch LEDs on
+    STR     r0, [r1, #0]
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r2, #0xFF
+    LDR     r0, [r1, #0]
+    BICS    r0, r2
+    MOVS    r2, #0x44
+    ORRS    r0, r2
+    STR     r0, [r1, #0]
+
+    LDR     r1, =GPIOA_ODR
+    MOVS    r2, #0x0A
+    LDR     r0, [r1, #0]
+    BICS    r0, r2
+    STR     r0, [r1, #0]
 
     B   _ISR_NMI
 
-
 #----------------------------------------------------------------------------------------#
 
     .align  2
@@ -235,77 +227,99 @@ _ISR_NMI:
     .thumb
     .type   _ISR_HARDF, %function
 _ISR_HARDF:
-#--- enable clock
+    LDR     r1, =RCC_AHB2ENR
-    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01
-    MOV     r2, #0x01           // load mask
-    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
-    ORRS    r0, r0, r2          // configure clock gating for port
-    STR     r0, [r1, #0]        // apply settings
-
-#--- init pins
-    LDR     r1, =GPIOA_MODER    // load port A mode register address
-    MOVS    r2, #0xFF           // prepare mask
-    LDR     r0, [r1, #0]        // get current value of port A mode register
-    BICS    r0, r0, r2          // delete bits
-    MOVS    r2, #0x11           // load configuration mask
-    ORRS    r0, r0, r2          // configure pins
-    STR     r0, [r1, #0]        // apply settings to port A mode register
-
-#--- switch some LEDs on
-    LDR     r1, =GPIOA_ODR      // load port A data output register address
-    MOVS    r2, #0x05           // load mask for red and green LED
     LDR     r0, [r1, #0]
-    BICS    r0, r0, r2
+    ORRS    r0, r2
-    STR     r0, [r1, #0]        // switch LEDs on
+    STR     r0, [r1, #0]
+
+    LDR     r1, =GPIOA_MODER
+    MOVS    r2, #0xFF
+    LDR     r0, [r1, #0]
+    BICS    r0, r2
+    MOVS    r2, #0x11
+    ORRS    r0, r2
+    STR     r0, [r1, #0]
+
+    LDR     r1, =GPIOA_ODR
+    MOVS    r2, #0x05
+    LDR     r0, [r1, #0]
+    BICS    r0, r2
+    STR     r0, [r1, #0]
 
     B       _ISR_HARDF
 
-
 #----------------------------------------------------------------------------------------#
 
     .align  2
     .syntax unified
     .thumb
-    .type   _ISR_S0, %function
+    .type   _ISR_S0_S1, %function
-_ISR_S0:
+_ISR_S0_S1:
-    PUSH    {lr}                // save special content
+    PUSH    {r4, r5, lr}        // Wichtig: Register sichern gemäß AAPCS
 
-#--- do the work
+_check_S0:
+    LDR     r4, =EXTI_PR1
+    LDR     r5, [r4, #0]
+    LDR     r2, =0x2000         // Maske für S0 (PC13 / Bit 13)
+    TST     r5, r2
+    BEQ     _check_S1           // Wenn Bit 13 nicht gesetzt, überspringen
 
+#--- do the work S0
+    BL      delay               // Entprellen
 
-#--- clear interrupt flag
+    LDR     r0, =GPIOC_IDR
+    LDR     r1, [r0, #0]
+    LDR     r2, =0x2000
+    TST     r1, r2
+    BNE     _clear_S0           // Abbruch, wenn High (Taster prellt / schon losgelassen)
 
+    LDR     r0, =GPIOA_ODR
+    LDR     r1, [r0, #0]
+    MOVS    r2, #0x09           // LED0 & LED3 toggeln (1001)
+    EORS    r1, r2
+    STR     r1, [r0, #0]
 
+_clear_S0:
+#--- clear interrupt flag S0
+    LDR     r4, =EXTI_PR1
+    LDR     r5, =0x2000
+    STR     r5, [r4, #0]
+
+_check_S1:
+    LDR     r4, =EXTI_PR1
+    LDR     r5, [r4, #0]
+    LDR     r2, =0x4000         // Maske für S1 (PC14 / Bit 14)
+    TST     r5, r2
+    BEQ     _leave_ISR          // Wenn Bit 14 nicht gesetzt, Ende
+
+#--- do the work S1
+    BL      delay
+
+    LDR     r0, =GPIOC_IDR
+    LDR     r1, [r0, #0]
+    LDR     r2, =0x4000
+    TST     r1, r2
+    BNE     _clear_S1           // Abbruch, wenn High
+
+    LDR     r0, =GPIOA_ODR
+    LDR     r1, [r0, #0]
+    MOVS    r2, #0x06           // LED1 & LED2 toggeln (0110)
+    EORS    r1, r2
+    STR     r1, [r0, #0]
+
+_clear_S1:
+#--- clear interrupt flag S1
+    LDR     r4, =EXTI_PR1
+    LDR     r5, =0x4000
+    STR     r5, [r4, #0]
+
+_leave_ISR:
 #--- leave ISR
-    POP     {r1}                // get special content back
+    POP     {r4, r5, pc}        // Register wiederherstellen und zurückkehren
-    BX      r1                  // go back to where we came from
-
 
 #----------------------------------------------------------------------------------------#
-
+.lp2:
-    .align  2
-    .syntax unified
-    .thumb
-    .type   _ISR_S1, %function
-_ISR_S1:
-    PUSH    {lr}                // save special content
-
-#--- do the work
-
-
-
-
-#--- clear interrupt flag
-
-
-
-#--- leave ISR
-    POP     {r1}                // get special content back
-    BX      r1                  // go back to where we came from
-
-
-#----------------------------------------------------------------------------------------#
-.lp2:           // this label is only to nicify the line up in the .lst file
     .ltorg
 #----------------------------------------------------------------------------------------#
 

task2/task2_tobi.s

@@ -0,0 +1,325 @@
+#****************************************************************************************#
+#   Project:    task2 - ASM: Interrupts
+#   File:       task2.s
+#
+#   Language:   ASM
+#
+#   Hardware:   STefi Light v1.1
+#   Processor:  STM32G431KBT6U
+#
+#   Author:     Manuel Lederhofer
+#   Datum:      31.10.2014
+#
+#   Version:    6.0
+#   History:
+#       31.10.2014  ML  create file
+#       27.09.2018  ML  edit comments, extend vector table
+#       18.12.2018  ML  port from MKL05Z32VLC4 to STM32L476RG
+#       27.02.2019  ML  move section of exception handlers to bottom of file
+#		25.09.2019	ML	minor changes for a better code and comment understanding
+#       04.09.2020  HL  port from STM32L476RG to STM32F411xE
+#       21.09.2020  ML  tidy up, comments and formatting
+#       29.09.2021  ML  port from STM32F411xE to STM32F042K6T6
+#       09.03.2022  ML  port from STM32F042K6T6 to STM32G431KBT6U
+#       10.02.2025  TK  remove ASM:Polling,move ASM:Interrupts to task2
+#       24.06.2025  TK  remove /* ... place your code here ... */
+#
+#   Status:     working
+#
+#   Description:
+#       See the description and requirements of the requested application
+#       in the lab exercise guide.
+#
+#   Notes:
+#       - MCU speed at startup is 16 MHz
+#
+#   ToDo:
+#       - Change the example code to match the description and requirements
+#          of the requested application in the lab exercise guide.
+#****************************************************************************************#
+
+    .include "G431_addr.s"
+
+
+#----------------------------------------------------------------------------------------#
+    .section .vectortable,"a"   // vector table at begin of ROM
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+
+    .word   0x20004000          // initial Stack Pointer:   0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
+    .word   0x08000401          // initial Program Counter
+    .word   _ISR_NMI            // non-masking interrupt
+    .word   _ISR_HARDF          // hard fault interrupt
+
+
+
+    /* N.B.
+        Look at the .space or the .org assembler directive to insert the address of the
+        ISRs at the right place in the vector table. Verify your settings by the help of
+        the list file. */
+
+    .word   _ISR_S0
+
+
+#----------------------------------------------------------------------------------------#
+    .text                       // section .text (default section for program code)
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global init
+    .type   init, %function
+init:
+    CPSID   i                   // disable interrupts globally
+
+    MOVS    r0, #0              // safely initialize the GPRs
+    MOVS    r1, #0
+    MOVS    r2, #0
+    MOVS    r3, #0
+    MOVS    r4, #0
+    MOVS    r5, #0
+    MOVS    r6, #0
+    MOVS    r7, #0
+    MOV     r8, r0
+    MOV     r9, r0
+    MOV     r10, r0
+    MOV     r11, r0
+    MOV     r12, r0
+
+#--- enable port clocking
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask for adjusting port clock gating (A: LEDs)
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for ports
+    STR     r0, [r1, #0]        // apply settings
+
+#--- port init
+#- LEDs
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0x03           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r2              // delete bits
+    MOVS    r2, #0x01           // load configuration mask
+    ORRS    r0, r0, r2          // apply mask
+    STR     r0, [r1, #0]        // apply result to port A mode register
+
+#    LDR     r1, =GPIOB_MODER
+#    MOVS    r3, #0x03
+#    LDR     r0, [r1, #1]
+#    BICS    r0, r3
+#    MOVS    r3, #0x01
+#    ORRS    r0, r0, r3
+#    STR     r0, [r1, #1]
+
+#- switch LED off
+    LDR     r1, =GPIOA_ODR      // load port A output data register
+    MOVS    r2, #0x01           // load mask for LED
+    LDR     r0, [r1, #0]        // get current value of GPIOA
+    ORRS    r0, r0, r2          // configure pin state
+    STR     r0, [r1, #0]        // apply settings
+
+#- buttons
+
+    /* ... place your code here ... */
+
+
+#--- button interrupt config
+
+#- enable clock for SYSCFG module
+
+
+#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
+#  in SYSCFG module (SYSCFG_* registers)
+
+
+
+
+#- configure lines in EXTI module (EXTI_* registers)
+
+
+
+#- NVIC: set interrupt priority, clear pending bits
+#  and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
+
+
+
+    CPSIE   i                   // enable interrupts globally
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global main
+    .type   main, %function
+main:
+    LDR     r1, =GPIOA_ODR
+    EORS    r0, r0, r2
+
+    STR     r0, [r1, #0]
+
+
+
+    BL      delay
+
+
+    B       main
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .thumb_func
+    .global delay
+    .type   delay, %function
+delay:
+    MOVS    r6, #0              // ...
+    LDR     r7, =2000000        // ...
+.L1:
+    ADDS    r6, r6, #1          // ...
+    CMP     r6, r7              // ...
+    BNE     .L1                 // ...
+    BX      lr                  // ...
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align 2
+    .global stop
+stop:
+    NOP                         // do nothing (NOP is here to avoid a debugger crash, only)
+    B       stop                // if this line is reached, something went wrong
+
+
+#----------------------------------------------------------------------------------------#
+.lp1:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+
+#----------------------------------------------------------------------------------------#
+    .section .exhand,"ax"       // section for exception handlers
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_NMI, %function
+_ISR_NMI:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x44           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x0A           // load mask for blue and yellow LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B   _ISR_NMI
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_HARDF, %function
+_ISR_HARDF:
+#--- enable clock
+    LDR     r1, =RCC_AHB2ENR    // load address of RCC_AHB2ENR
+    MOV     r2, #0x01           // load mask
+    LDR     r0, [r1, #0]        // get current value of RCC_AHB2ENR
+    ORRS    r0, r0, r2          // configure clock gating for port
+    STR     r0, [r1, #0]        // apply settings
+
+#--- init pins
+    LDR     r1, =GPIOA_MODER    // load port A mode register address
+    MOVS    r2, #0xFF           // prepare mask
+    LDR     r0, [r1, #0]        // get current value of port A mode register
+    BICS    r0, r0, r2          // delete bits
+    MOVS    r2, #0x11           // load configuration mask
+    ORRS    r0, r0, r2          // configure pins
+    STR     r0, [r1, #0]        // apply settings to port A mode register
+
+#--- switch some LEDs on
+    LDR     r1, =GPIOA_ODR      // load port A data output register address
+    MOVS    r2, #0x05           // load mask for red and green LED
+    LDR     r0, [r1, #0]
+    BICS    r0, r0, r2
+    STR     r0, [r1, #0]        // switch LEDs on
+
+    B       _ISR_HARDF
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S0, %function
+_ISR_S0:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+#--- clear interrupt flag
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+
+    .align  2
+    .syntax unified
+    .thumb
+    .type   _ISR_S1, %function
+_ISR_S1:
+    PUSH    {lr}                // save special content
+
+#--- do the work
+
+
+
+
+#--- clear interrupt flag
+
+
+
+#--- leave ISR
+    POP     {r1}                // get special content back
+    BX      r1                  // go back to where we came from
+
+
+#----------------------------------------------------------------------------------------#
+.lp2:           // this label is only to nicify the line up in the .lst file
+    .ltorg
+#----------------------------------------------------------------------------------------#
+
+    .end
+
+#************************************** E O F *******************************************#