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7 Commits
master ... dev_Tobi

Author SHA1 Message Date
kachelto100370
2421774c4d Anfang Vorbereitungsfragen 4 2026-04-14 19:34:53 +02:00
kachelto100370
b19c7f6b51 mein code in task2 2026-03-24 14:20:19 +01:00
kachelto100370
7e0e37a578 hab ein paar änderungen gemacht 2026-03-20 19:09:26 +01:00
kachelto100370
d95e3f7923 bissl buggy Lauflicht, ich glaube es ist etwas besser jetzt 2026-03-20 19:09:26 +01:00
kachelto100370
d770450ea9 Vorbereitung Termin 1 und Termin 2 2026-03-18 10:18:34 +01:00
kachelto100370
54fbb244bd noch ein paar sachen für den nicht code Teil, habe das in den falschen branch commited 2026-03-16 18:47:10 +01:00
Max-R
acb872ae29 funktioniert AUfg1 2026-03-10 17:58:59 +01:00
112 changed files with 131852 additions and 5560 deletions
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@ -49,3 +49,6 @@
*** SESSION Feb. 28, 2026 20:03:36.773 -----------------------------------------
*** SESSION März 01, 2026 11:22:28.450 -----------------------------------------
*** 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 -----------------------------------------

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@ -217,3 +217,339 @@ arm-none-eabi-size task1.elf
1144 0 1568 2712 a98 task1.elf
Finished building: default.size.stdout
13:01:07 **** Build of configuration Debug for project task1 ****
make -j24 all
arm-none-eabi-gcc -mcpu=cortex-m4 -g3 -DDEBUG -c -x assembler-with-cpp -MMD -MP -MF"Startup/startup_stm32g431kbtx.d" -MT"Startup/startup_stm32g431kbtx.o" --specs=nano.specs -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -o "Startup/startup_stm32g431kbtx.o" "../Startup/startup_stm32g431kbtx.s"
arm-none-eabi-gcc "../Startup/syscalls.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"Startup/syscalls.d" -MT"Startup/syscalls.o" --specs=nano.specs -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -o "Startup/syscalls.o"
arm-none-eabi-gcc "../Startup/sysmem.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"Startup/sysmem.d" -MT"Startup/sysmem.o" --specs=nano.specs -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -o "Startup/sysmem.o"
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"
arm-none-eabi-gcc "../Src/task1_it.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_it.d" -MT"Src/task1_it.o" --specs=nano.specs -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -o "Src/task1_it.o"
arm-none-eabi-gcc -o "task1.elf" @"objects.list" -mcpu=cortex-m4 -T"D:\04 Studium\SS26\mct\git-praktikum\MZT-Praktikum\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
Finished building target: task1.elf
arm-none-eabi-size task1.elf
arm-none-eabi-objdump -h -S task1.elf > "task1.list"
text data bss dec hex filename
1664 0 1568 3232 ca0 task1.elf
Finished building: default.size.stdout
Finished building: task1.list
14:15:54 **** Incremental Build of configuration Debug for project task1 ****
make -j12 all
arm-none-eabi-gcc -mcpu=cortex-m4 -g3 -DDEBUG -c -x assembler-with-cpp -MMD -MP -MF"Startup/startup_stm32g431kbtx.d" -MT"Startup/startup_stm32g431kbtx.o" --specs=nano.specs -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -o "Startup/startup_stm32g431kbtx.o" "../Startup/startup_stm32g431kbtx.s"
arm-none-eabi-gcc "../Startup/syscalls.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"Startup/syscalls.d" -MT"Startup/syscalls.o" --specs=nano.specs -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -o "Startup/syscalls.o"
arm-none-eabi-gcc "../Startup/sysmem.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"Startup/sysmem.d" -MT"Startup/sysmem.o" --specs=nano.specs -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -o "Startup/sysmem.o"
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"
arm-none-eabi-gcc "../Src/task1_it.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_it.d" -MT"Src/task1_it.o" --specs=nano.specs -mfpu=fpv4-sp-d16 -mfloat-abi=hard -mthumb -o "Src/task1_it.o"
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
Finished building target: task1.elf
arm-none-eabi-size task1.elf
arm-none-eabi-objdump -h -S task1.elf > "task1.list"
text data bss dec hex filename
1664 0 1568 3232 ca0 task1.elf
Finished building: default.size.stdout
Finished building: task1.list
14:16:23 **** Incremental Build of configuration Debug for project task1 ****
make -j12 all
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"
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
Finished building target: task1.elf
arm-none-eabi-size task1.elf
arm-none-eabi-objdump -h -S task1.elf > "task1.list"
text data bss dec hex filename
1672 0 1568 3240 ca8 task1.elf
Finished building: default.size.stdout
Finished building: task1.list
14:17:15 **** Incremental Build of configuration Debug for project task1 ****
make -j12 all
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"
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
Finished building target: task1.elf
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
14:18:09 **** Incremental Build of configuration Debug for project task1 ****
make -j12 all
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"
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
Finished building target: task1.elf
arm-none-eabi-size task1.elf
arm-none-eabi-objdump -h -S task1.elf > "task1.list"
text data bss dec hex filename
1684 0 1568 3252 cb4 task1.elf
Finished building: default.size.stdout
Finished building: task1.list
14:21:35 **** Incremental Build of configuration Debug for project task1 ****
make -j12 all
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"
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
Finished building target: task1.elf
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 **** Incremental Build of configuration Debug for project task1 ****
make -j12 all
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"
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
Finished building target: task1.elf
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
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

13
.metadata/.plugins/org.eclipse.cdt.ui/task1.build.log
View File

@ -1,10 +1,9 @@
11:56:08 **** Incremental Build of configuration Debug for project task1 ****
make -j12 all
arm-none-eabi-size task1.elf
text data bss dec hex filename
1144 0 1568 2712 a98 task1.elf
Finished building: default.size.stdout
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
11:56:08 Build Finished. 0 errors, 0 warnings. (took 119ms)
14:13:44 Build Finished. 0 errors, 0 warnings. (took 187ms)

7
.metadata/.plugins/org.eclipse.cdt.ui/task2.build.log
View File

@ -1,5 +1,6 @@
11:52:45 **** Clean-only build of configuration Debug for project task2 ****
make -j12 clean
14:19:07 **** Incremental Build of configuration Debug for project task2 ****
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)

4
.metadata/.plugins/org.eclipse.cdt.ui/task3.build.log
View File

@ -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)

4
.metadata/.plugins/org.eclipse.cdt.ui/task4.build.log
View File

@ -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)

325
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@ -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 *******************************************#

325
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@ -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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

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/*
* sketch.c
*
* Created on: Mar 18, 2026
* Author: tobii
*/
int reihenfolge[6] = {0, 1, 2, 3, 2, 1};
int main(){
while(1){
while(/*schalter gedrückt*/){}
delay();
while(/*schalter losgelassen*/){}
delay();
int aktiv = 1;
while(aktiv){
for(int i; i < reihenfolge.length - 1 && aktiv = 1; i ++){
//alle LED einschalten
if(i = 0){/*alles bis auf LED0 auschalten*/}
if(i = 1){/*..*/}
//...
for(int zähler = 0; zähler < 333 && aktiv == 1; zähler++){
if(/*schalter gerückt*/){
aktiv = 0;
break;
}
else{
delay(1);
}
}
while(/*Taster gedrückt*/){}
}
}
}
}

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#****************************************************************************************#
# 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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

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@ -39,6 +39,10 @@
/* ------------------------------------ DEFINES --------------------------------------- */
#define LOOPS_PER_MS 1244 // NOP-loops for delay()
#define WAITTIME 500
#define FIRST_LED 0
#define LAST_LED 3
#define UP 1
#define DOWN -1
/* ------------------------------------ TYPE DEFINITIONS ------------------------------ */
@ -50,6 +54,7 @@ int state = 0;
/* ------------------------------------ PROTOTYPES ------------------------------------ */
static void GPIO_init(void);
static void delay(const uint16_t ms);
static void blink(const unint numLED);
/* ------------------------------------ M A I N --------------------------------------- */
@ -67,13 +72,38 @@ int main(void)
/* --- infinite processing loop --- */
while (1)
{
/* ... add your code to implement the lab assignment ... */
int direction;
while(1){
if(i == FIRST_LED){
direction = UP;
}
else if(i == LAST_LED){
direction = DOWN;
}
blink(i); //One full LED blink cylce
if(direction == UP){
i++;
}
else if(direction == DOWN){
i--;
}
}
switch (state) {
case 0:
GPIOA->ODR &= ~(1 << 1); // LED0 on
GPIOA->ODR &= ~(1 << 0); // LED0 on
GPIOA->ODR &= ~(1 << 1);
GPIOA->ODR &= ~(1 << 2);
GPIOA->ODR &= ~(1 << 3);
state++;
break;
@ -82,7 +112,10 @@ int main(void)
state++;
break;
case 2:
GPIOA->ODR |= (1 << 1); // LED0 off
GPIOA->ODR |= (1 << 0); // LED0 off
GPIOA->ODR |= (1 << 1);
GPIOA->ODR |= (1 << 2);
GPIOA->ODR |= (1 << 3);
delay(WAITTIME); // wait
state = 0;
break;
@ -113,13 +146,18 @@ static void GPIO_init(void)
{
/* enable port clocks */
RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN; // LEDs: A
int i = FIRST_LED;
/* --- LEDs --- */
//GPIOA->ODR |= MASK_LED_RED;
GPIOA->ODR |= MASK_LED_YELLOW;
GPIOA->ODR |= MASK_LED_ALL;
GPIOA->MODER &= ~(3 << 0);
GPIOA->MODER |= (1 << 1); // set LED pin to output
GPIOA->MODER &= ~(3 << 2);
GPIOA->MODER &= ~(3 << 4);
GPIOA->MODER &= ~(3 << 6);
GPIOA->MODER |= (1 << 0); // set LED pin to output
GPIOA->MODER |= (1 << 2);
GPIOA->MODER |= (1 << 4);
GPIOA->MODER |= (1 << 6);
}
@ -143,5 +181,25 @@ static void delay(const uint16_t ms)
}
}
static void blink(const uint numLED)
{
switch (state) {
case 0:
GPIOA->ODR &= ~(1 << numLED); // LEDX on
state++;
break;
case 1:
delay(WAITTIME); // wait
state++;
break;
case 2:
GPIOA->ODR |= (1 << numLED); // LEDX off
delay(WAITTIME); // wait
state = default;
break;
default:
break;
}
/* ************************************ E O F ***************************************** */

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#****************************************************************************************#
# 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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

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/*
* sketch.c
*
* Created on: Mar 18, 2026
* Author: tobii
*/

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#****************************************************************************************#
# 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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

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#****************************************************************************************#
# 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 *******************************************#

24
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/*
* sketch.c
*
* Created on: Mar 18, 2026
* Author: tobii
*/
int reihenfolge[6] = {0, 1, 2, 3, 2, 1};
int main(){
while(1){
while(/*schalter gedrückt*/){}
delay();
while(/*schalter losgelassen*/){}
delay();
int aktiv = 1;
while(aktiv){
for(int i; i < reihenfolge.length - 1; i ++){
//alle LED einschalten
if(i = 0)
}
}
}
}

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#****************************************************************************************#
# 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 *******************************************#

325
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#****************************************************************************************#
# 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 *******************************************#

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@ -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

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IMPORT_FILES_AND_FOLDERS_RELATIVE=true
IMPORT_FILES_AND_FOLDERS_TYPE=23,1
eclipse.preferences.version=1
platformState=1772304866304
platformState=1772304866322
quickStart=false
tipsAndTricks=true

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<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>

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.metadata/.plugins/org.eclipse.ltk.core.refactoring/.refactorings/task2/2026/3/13/refactorings.history Normal file
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<?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>

2
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1774358097434 Rename resource 'task2.s'
1774358106409 Rename resource 'task2_efe.s'

2
.metadata/version.ini
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#Mon Mar 09 11:19:41 CET 2026
#Tue Mar 24 14:11:27 CET 2026
org.eclipse.core.runtime=2
org.eclipse.platform=4.30.0.v20231201-0110

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= Vorbereitungsfragen

110
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<?xml version="1.0" encoding="utf-8"?>
<FRAME GUID="2FB25471-B62C-4EE6-BD43-F819C095ACF8" FORMAT="0000" APP_VERSION="2.2.0.8" CHECKSUM="48FC0BB7AAC12F0C">
<PROJECT FORMAT="1.00" NAME="MCT_Ablaufplaene" AUTHOR="tobis" CREATED="2026.03.16 18:21:51" MODIFIED="2026.03.16 21:54:22">
<DIAGRAMS>
<DIAGRAM FORMAT="1.00" ID="0" NAME="Task 1" CREATED="2026.03.16 18:22:10" MODIFIED="2026.03.16 21:54:22">
<LAYOUT FORMAT="1.00" COLUMNS="3" ROWS="13">
<ENTRIES>
<ENTRY COLUMN="0" ROW="0" ANCHOR="True">
<FIGURE SUBTYPE="PapTitle" FORMAT="1.00" ID="0">
<TEXT><![CDATA[Task 1]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="0" ROW="1">
<FIGURE SUBTYPE="PapStart" FORMAT="1.00" ID="1">
<TEXT><![CDATA[Start]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="0" ROW="2">
<FIGURE SUBTYPE="PapLoopStart" FORMAT="1.00" ID="5" ASSOCIATE="6">
<TEXT><![CDATA[while(1)]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="0" ROW="3">
<FIGURE SUBTYPE="PapInput" FORMAT="1.00" ID="10">
<TEXT><![CDATA[Eingabe von S0]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="0" ROW="4">
<FIGURE SUBTYPE="PapCondition" FORMAT="1.00" ID="4">
<TEXT><![CDATA[S0 gedrückt?]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="0" ROW="5">
<FIGURE SUBTYPE="PapActivity" FORMAT="1.00" ID="46">
<TEXT><![CDATA[LED0 AN]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="0" ROW="6">
<FIGURE SUBTYPE="PapCondition" FORMAT="1.00" ID="32">
<TEXT><![CDATA[S0 gedrückt?]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="0" ROW="7">
<FIGURE SUBTYPE="PapLoopStart" FORMAT="1.00" ID="35" ASSOCIATE="36">
<TEXT><![CDATA[while(1)]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="0" ROW="8">
<FIGURE SUBTYPE="PapCondition" FORMAT="1.00" ID="38">
<TEXT><![CDATA[S0 gedrückt?]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="0" ROW="9">
<FIGURE SUBTYPE="PapComment" FORMAT="1.00" ID="45">
<TEXT><![CDATA[NEIN]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="0" ROW="10">
<FIGURE SUBTYPE="PapLoopEnd" FORMAT="1.00" ID="36" ASSOCIATE="35">
<TEXT><![CDATA[]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="0" ROW="11">
<FIGURE SUBTYPE="PapLoopEnd" FORMAT="1.00" ID="6" ASSOCIATE="5">
<TEXT><![CDATA[]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="0" ROW="12">
<FIGURE SUBTYPE="PapEnd" FORMAT="1.00" ID="2">
<TEXT><![CDATA[Ende]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="1" ROW="4">
<FIGURE SUBTYPE="PapConnector" FORMAT="1.00" ID="13">
<TEXT><![CDATA[]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="2" ROW="5">
<FIGURE SUBTYPE="PapConnector" FORMAT="1.00" ID="29">
<TEXT><![CDATA[]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="2" ROW="6">
<FIGURE SUBTYPE="PapConnector" FORMAT="1.00" ID="24">
<TEXT><![CDATA[]]></TEXT>
</FIGURE>
</ENTRY>
<ENTRY COLUMN="2" ROW="8">
<FIGURE SUBTYPE="PapConnector" FORMAT="1.00" ID="40">
<TEXT><![CDATA[]]></TEXT>
</FIGURE>
</ENTRY>
</ENTRIES>
</LAYOUT>
<CONNECTIONS>
<CONNECTION FORMAT="1.00" ID="9" FROM="1" TO="5" TEXT="" />
<CONNECTION FORMAT="1.00" ID="11" FROM="10" TO="4" TEXT="" />
<CONNECTION FORMAT="1.00" ID="12" FROM="5" TO="10" TEXT="" />
<CONNECTION FORMAT="1.00" ID="14" FROM="4" TO="13" TEXT="" />
<CONNECTION FORMAT="1.00" ID="27" FROM="32" TO="24" TEXT="nein" />
<CONNECTION FORMAT="1.00" ID="30" FROM="24" TO="29" TEXT="" />
<CONNECTION FORMAT="1.00" ID="37" FROM="35" TO="38" TEXT="" />
<CONNECTION FORMAT="1.00" ID="39" FROM="38" TO="36" TEXT="nein" />
<CONNECTION FORMAT="1.00" ID="41" FROM="38" TO="40" TEXT="ja" />
<CONNECTION FORMAT="1.00" ID="42" FROM="40" TO="24" TEXT="" />
</CONNECTIONS>
</DIAGRAM>
</DIAGRAMS>
</PROJECT>
</FRAME>

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= 4.1 Aufgabe 1 - C: GPIO
== Vorbereitungsfragen:
=== a. Wozu werden Pull-Up Widerstände bei der Abfrage von Tastern benötigt?
=== b. Wie werden Taster entprellt?
=== c. Wie wird ein einzelnes Bit in einem 32-bit Wort getoggelt, ohne die anderen Bits zu verändern?
`int x ^= (1 << 0);`
=== d. Was ist speziell bei der Programmierung von Mikrocontrollern unter dem Begriff Initialisierung zu verstehen?
=== e. An Welchen Pors des Mikrocontrollers sind die LEDS und Taster der STefi Light Patine angeschlossen?
=== f. Studieren Sie die wichtigsten Quelltextdateien des C-Projektes task1.c und Stefi-Light.h. Welche Register und welche Bits werden hier beschrieben? Suchen Sie in der ST-Dokumentation (Reference Manual) die beiden relevanten Kapitel heraus und vollziehen Sie die Bedeutung der getätigten Einstellungen nach.
=== g. Wie muss ein Pin konfiguriert werden damit er als Eingang verwendet werden kann?
=== h. Erstellen Sie ein detailliertes Flussdiagramm für Ihre Lauflicht-Applikation

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= 3.2 Aufgabe 2 - ASM: Interrupts, Entprellen
== Aufgabenstellung:
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.
=== e. Erstellen Sie ein komplettes Flussdiagramm für Ihren Lösungsansatz.

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<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
<provider copy-of="extension" id="org.eclipse.cdt.managedbuilder.core.GCCBuildCommandParser"/>
<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="422947886521367905" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="1558684269450950684" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
<language-scope id="org.eclipse.cdt.core.gcc"/>
<language-scope id="org.eclipse.cdt.core.g++"/>
</provider>

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task1/Debug/Src/task1.cyclo
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../Src/task1.c:56:5:main 5
../Src/task1.c:112:13:GPIO_init 1
../Src/task1.c:135:13:delay 3

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task1/Debug/Src/task1.d
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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:

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task1/Debug/Src/task1.su
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../Src/task1.c:56:5:main 8 static,ignoring_inline_asm
../Src/task1.c:112:13:GPIO_init 4 static
../Src/task1.c:135:13:delay 24 static,ignoring_inline_asm

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task1/Debug/Src/task1_it.cyclo
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../Src/task1_it.c:56:6:ISR_error 1
../Src/task1_it.c:76:6:ISR_default 1

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task1/Debug/Src/task1_it.d
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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:

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../Src/task1_it.c:56:6:ISR_error 4 static
../Src/task1_it.c:76:6:ISR_default 4 static

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task1/Debug/Startup/startup_stm32g431kbtx.d
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Startup/startup_stm32g431kbtx.o: ../Startup/startup_stm32g431kbtx.s

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../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

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task1/Debug/Startup/syscalls.d
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Startup/syscalls.o: ../Startup/syscalls.c

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../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

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../Startup/sysmem.c:53:7:_sbrk 3

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task1/Debug/Startup/sysmem.d
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Startup/sysmem.o: ../Startup/sysmem.c

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task1/Debug/Startup/sysmem.su
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../Startup/sysmem.c:53:7:_sbrk 32 static

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task1/Debug/task1.list
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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 00000298 080001d8 080001d8 000011d8 2**2
CONTENTS, ALLOC, LOAD, READONLY, CODE
2 .rodata 00000000 08000470 08000478 00001478 2**0
CONTENTS, ALLOC, LOAD, DATA
3 .ARM.extab 00000000 08000470 08000470 00001478 2**0
CONTENTS
4 .ARM 00000000 08000470 08000470 00001478 2**0
CONTENTS
5 .preinit_array 00000000 08000470 08000478 00001478 2**0
CONTENTS, ALLOC, LOAD, DATA
6 .init_array 00000004 08000470 08000470 00001470 2**2
CONTENTS, ALLOC, LOAD, READONLY, DATA
7 .fini_array 00000004 08000474 08000474 00001474 2**2
CONTENTS, ALLOC, LOAD, READONLY, DATA
8 .data 00000000 20000000 20000000 00001478 2**0
CONTENTS, ALLOC, LOAD, DATA
9 .ccmsram 00000000 10000000 10000000 00001478 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 00001478 2**0
CONTENTS, READONLY
13 .debug_info 000007b3 00000000 00000000 000014a8 2**0
CONTENTS, READONLY, DEBUGGING, OCTETS
14 .debug_abbrev 00000279 00000000 00000000 00001c5b 2**0
CONTENTS, READONLY, DEBUGGING, OCTETS
15 .debug_aranges 00000078 00000000 00000000 00001ed8 2**3
CONTENTS, READONLY, DEBUGGING, OCTETS
16 .debug_rnglists 00000039 00000000 00000000 00001f50 2**0
CONTENTS, READONLY, DEBUGGING, OCTETS
17 .debug_macro 00013740 00000000 00000000 00001f89 2**0
CONTENTS, READONLY, DEBUGGING, OCTETS
18 .debug_line 00000953 00000000 00000000 000156c9 2**0
CONTENTS, READONLY, DEBUGGING, OCTETS
19 .debug_str 0006f80d 00000000 00000000 0001601c 2**0
CONTENTS, READONLY, DEBUGGING, OCTETS
20 .comment 00000043 00000000 00000000 00085829 2**0
CONTENTS, READONLY
21 .debug_frame 000000e0 00000000 00000000 0008586c 2**2
CONTENTS, READONLY, DEBUGGING, OCTETS
22 .debug_line_str 0000007a 00000000 00000000 0008594c 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: 08000458 .word 0x08000458
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: 08000458 .word 0x08000458
08000218 <main>:
static void delay(const uint16_t ms);
/* ------------------------------------ M A I N --------------------------------------- */
int main(void)
{
8000218: b580 push {r7, lr}
800021a: 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");
800021c: b672 cpsid i
}
800021e: bf00 nop
/* --- initialization --- */
__disable_irq(); // disable interrupts globally
GPIO_init();
8000220: f000 f83a bl 8000298 <GPIO_init>
__ASM volatile ("cpsie i" : : : "memory");
8000224: b662 cpsie i
}
8000226: bf00 nop
/* --- infinite processing loop --- */
while (1)
{
/* ... add your code to implement the lab assignment ... */
switch (state) {
8000228: 4b1a ldr r3, [pc, #104] @ (8000294 <main+0x7c>)
800022a: 681b ldr r3, [r3, #0]
800022c: 2b02 cmp r3, #2
800022e: d01e beq.n 800026e <main+0x56>
8000230: 2b02 cmp r3, #2
8000232: dc2c bgt.n 800028e <main+0x76>
8000234: 2b00 cmp r3, #0
8000236: d002 beq.n 800023e <main+0x26>
8000238: 2b01 cmp r3, #1
800023a: d00e beq.n 800025a <main+0x42>
GPIOA->ODR |= (1 << 0); // LED0 off
delay(WAITTIME); // wait
state = 0;
break;
default:
break;
800023c: e027 b.n 800028e <main+0x76>
GPIOA->ODR &= ~(1 << 0); // LED0 on
800023e: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
8000242: 695b ldr r3, [r3, #20]
8000244: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
8000248: f023 0301 bic.w r3, r3, #1
800024c: 6153 str r3, [r2, #20]
state++;
800024e: 4b11 ldr r3, [pc, #68] @ (8000294 <main+0x7c>)
8000250: 681b ldr r3, [r3, #0]
8000252: 3301 adds r3, #1
8000254: 4a0f ldr r2, [pc, #60] @ (8000294 <main+0x7c>)
8000256: 6013 str r3, [r2, #0]
break;
8000258: e01a b.n 8000290 <main+0x78>
delay(WAITTIME); // wait
800025a: f44f 70fa mov.w r0, #500 @ 0x1f4
800025e: f000 f843 bl 80002e8 <delay>
state++;
8000262: 4b0c ldr r3, [pc, #48] @ (8000294 <main+0x7c>)
8000264: 681b ldr r3, [r3, #0]
8000266: 3301 adds r3, #1
8000268: 4a0a ldr r2, [pc, #40] @ (8000294 <main+0x7c>)
800026a: 6013 str r3, [r2, #0]
break;
800026c: e010 b.n 8000290 <main+0x78>
GPIOA->ODR |= (1 << 0); // LED0 off
800026e: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
8000272: 695b ldr r3, [r3, #20]
8000274: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
8000278: f043 0301 orr.w r3, r3, #1
800027c: 6153 str r3, [r2, #20]
delay(WAITTIME); // wait
800027e: f44f 70fa mov.w r0, #500 @ 0x1f4
8000282: f000 f831 bl 80002e8 <delay>
state = 0;
8000286: 4b03 ldr r3, [pc, #12] @ (8000294 <main+0x7c>)
8000288: 2200 movs r2, #0
800028a: 601a str r2, [r3, #0]
break;
800028c: e000 b.n 8000290 <main+0x78>
break;
800028e: bf00 nop
switch (state) {
8000290: e7ca b.n 8000228 <main+0x10>
8000292: bf00 nop
8000294: 2000001c .word 0x2000001c
08000298 <GPIO_init>:
* requires: - nothing -
* parameters: - none -
* returns: - nothing -
\* ------------------------------------------------------------------------------------ */
static void GPIO_init(void)
{
8000298: b480 push {r7}
800029a: af00 add r7, sp, #0
/* enable port clocks */
RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN; // LEDs: A
800029c: 4b11 ldr r3, [pc, #68] @ (80002e4 <GPIO_init+0x4c>)
800029e: 6cdb ldr r3, [r3, #76] @ 0x4c
80002a0: 4a10 ldr r2, [pc, #64] @ (80002e4 <GPIO_init+0x4c>)
80002a2: f043 0301 orr.w r3, r3, #1
80002a6: 64d3 str r3, [r2, #76] @ 0x4c
/* --- LEDs --- */
GPIOA->ODR |= MASK_LED_RED;
80002a8: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
80002ac: 695b ldr r3, [r3, #20]
80002ae: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
80002b2: f043 0301 orr.w r3, r3, #1
80002b6: 6153 str r3, [r2, #20]
//GPIOA->ODR |= MASK_LED_YELLOW;
GPIOA->MODER &= ~(3 << 0);
80002b8: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
80002bc: 681b ldr r3, [r3, #0]
80002be: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
80002c2: f023 0303 bic.w r3, r3, #3
80002c6: 6013 str r3, [r2, #0]
GPIOA->MODER |= (1 << 0); // set LED pin to output
80002c8: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
80002cc: 681b ldr r3, [r3, #0]
80002ce: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
80002d2: f043 0301 orr.w r3, r3, #1
80002d6: 6013 str r3, [r2, #0]
}
80002d8: bf00 nop
80002da: 46bd mov sp, r7
80002dc: f85d 7b04 ldr.w r7, [sp], #4
80002e0: 4770 bx lr
80002e2: bf00 nop
80002e4: 40021000 .word 0x40021000
080002e8 <delay>:
* requires: - nothing -
* parameters: ms - delay time in milliseconds
* returns: - nothing -
\* ------------------------------------------------------------------------------------ */
static void delay(const uint16_t ms)
{
80002e8: b480 push {r7}
80002ea: b085 sub sp, #20
80002ec: af00 add r7, sp, #0
80002ee: 4603 mov r3, r0
80002f0: 80fb strh r3, [r7, #6]
for (uint16_t i = 0; i < ms; ++i)
80002f2: 2300 movs r3, #0
80002f4: 81fb strh r3, [r7, #14]
80002f6: e00e b.n 8000316 <delay+0x2e>
{
for (uint16_t j = 0; j < LOOPS_PER_MS; ++j)
80002f8: 2300 movs r3, #0
80002fa: 81bb strh r3, [r7, #12]
80002fc: e003 b.n 8000306 <delay+0x1e>
{
__asm("NOP");
80002fe: bf00 nop
for (uint16_t j = 0; j < LOOPS_PER_MS; ++j)
8000300: 89bb ldrh r3, [r7, #12]
8000302: 3301 adds r3, #1
8000304: 81bb strh r3, [r7, #12]
8000306: 89bb ldrh r3, [r7, #12]
8000308: f240 42db movw r2, #1243 @ 0x4db
800030c: 4293 cmp r3, r2
800030e: d9f6 bls.n 80002fe <delay+0x16>
for (uint16_t i = 0; i < ms; ++i)
8000310: 89fb ldrh r3, [r7, #14]
8000312: 3301 adds r3, #1
8000314: 81fb strh r3, [r7, #14]
8000316: 89fa ldrh r2, [r7, #14]
8000318: 88fb ldrh r3, [r7, #6]
800031a: 429a cmp r2, r3
800031c: d3ec bcc.n 80002f8 <delay+0x10>
}
}
}
800031e: bf00 nop
8000320: bf00 nop
8000322: 3714 adds r7, #20
8000324: 46bd mov sp, r7
8000326: f85d 7b04 ldr.w r7, [sp], #4
800032a: 4770 bx lr
0800032c <ISR_error>:
*
* Default interrupt handler for core interrupts.
* Enables the green and red LED on the STefi Light board.
\* ------------------------------------------------------------------------------------ */
void ISR_error(void)
{
800032c: b480 push {r7}
800032e: af00 add r7, sp, #0
/* init */
RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN; // PA: clock on (LEDs)
8000330: 4b10 ldr r3, [pc, #64] @ (8000374 <ISR_error+0x48>)
8000332: 6cdb ldr r3, [r3, #76] @ 0x4c
8000334: 4a0f ldr r2, [pc, #60] @ (8000374 <ISR_error+0x48>)
8000336: f043 0301 orr.w r3, r3, #1
800033a: 64d3 str r3, [r2, #76] @ 0x4c
GPIOA->ODR |= MASK_LED_ALL;
800033c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
8000340: 695b ldr r3, [r3, #20]
8000342: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
8000346: f043 030f orr.w r3, r3, #15
800034a: 6153 str r3, [r2, #20]
GPIOA->MODER = (GPIOA->MODER & 0xFFFFFF00) | 0x11;
800034c: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
8000350: 681b ldr r3, [r3, #0]
8000352: f023 03ff bic.w r3, r3, #255 @ 0xff
8000356: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
800035a: f043 0311 orr.w r3, r3, #17
800035e: 6013 str r3, [r2, #0]
while(1)
{ /* light up the LEDs permanently */
GPIOA->ODR &= ~(MASK_LED_GREEN | MASK_LED_RED);
8000360: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
8000364: 695b ldr r3, [r3, #20]
8000366: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
800036a: f023 0305 bic.w r3, r3, #5
800036e: 6153 str r3, [r2, #20]
8000370: e7f6 b.n 8000360 <ISR_error+0x34>
8000372: bf00 nop
8000374: 40021000 .word 0x40021000
08000378 <ISR_default>:
*
* Default interrupt handler for non-core interrupts.
* Enables the blue and yellow LED on the STefi Light board.
\* ------------------------------------------------------------------------------------ */
void ISR_default(void)
{
8000378: b480 push {r7}
800037a: af00 add r7, sp, #0
/* init */
RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN; // PA: clock on (LEDs)
800037c: 4b10 ldr r3, [pc, #64] @ (80003c0 <ISR_default+0x48>)
800037e: 6cdb ldr r3, [r3, #76] @ 0x4c
8000380: 4a0f ldr r2, [pc, #60] @ (80003c0 <ISR_default+0x48>)
8000382: f043 0301 orr.w r3, r3, #1
8000386: 64d3 str r3, [r2, #76] @ 0x4c
GPIOA->ODR |= MASK_LED_ALL;
8000388: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
800038c: 695b ldr r3, [r3, #20]
800038e: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
8000392: f043 030f orr.w r3, r3, #15
8000396: 6153 str r3, [r2, #20]
GPIOA->MODER = (GPIOA->MODER & 0xFFFFFF00) | 0x44;
8000398: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
800039c: 681b ldr r3, [r3, #0]
800039e: f023 03ff bic.w r3, r3, #255 @ 0xff
80003a2: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
80003a6: f043 0344 orr.w r3, r3, #68 @ 0x44
80003aa: 6013 str r3, [r2, #0]
while(1)
{ /* light up the LEDs permanently */
GPIOA->ODR &= ~(MASK_LED_BLUE | MASK_LED_YELLOW);
80003ac: f04f 4390 mov.w r3, #1207959552 @ 0x48000000
80003b0: 695b ldr r3, [r3, #20]
80003b2: f04f 4290 mov.w r2, #1207959552 @ 0x48000000
80003b6: f023 030a bic.w r3, r3, #10
80003ba: 6153 str r3, [r2, #20]
80003bc: e7f6 b.n 80003ac <ISR_default+0x34>
80003be: bf00 nop
80003c0: 40021000 .word 0x40021000
080003c4 <Reset_Handler>:
.section .text.Reset_Handler
.weak Reset_Handler
.type Reset_Handler, %function
Reset_Handler:
ldr r0, =_estack
80003c4: 480c ldr r0, [pc, #48] @ (80003f8 <LoopForever+0x2>)
mov sp, r0 /* set stack pointer */
80003c6: 4685 mov sp, r0
/* Call the clock system initialization function.*/
// bl SystemInit
/* Copy the data segment initializers from flash to SRAM */
ldr r0, =_sdata
80003c8: 480c ldr r0, [pc, #48] @ (80003fc <LoopForever+0x6>)
ldr r1, =_edata
80003ca: 490d ldr r1, [pc, #52] @ (8000400 <LoopForever+0xa>)
ldr r2, =_sidata
80003cc: 4a0d ldr r2, [pc, #52] @ (8000404 <LoopForever+0xe>)
movs r3, #0
80003ce: 2300 movs r3, #0
b LoopCopyDataInit
80003d0: e002 b.n 80003d8 <LoopCopyDataInit>
080003d2 <CopyDataInit>:
CopyDataInit:
ldr r4, [r2, r3]
80003d2: 58d4 ldr r4, [r2, r3]
str r4, [r0, r3]
80003d4: 50c4 str r4, [r0, r3]
adds r3, r3, #4
80003d6: 3304 adds r3, #4
080003d8 <LoopCopyDataInit>:
LoopCopyDataInit:
adds r4, r0, r3
80003d8: 18c4 adds r4, r0, r3
cmp r4, r1
80003da: 428c cmp r4, r1
bcc CopyDataInit
80003dc: d3f9 bcc.n 80003d2 <CopyDataInit>
/* Zero fill the bss segment. */
ldr r2, =_sbss
80003de: 4a0a ldr r2, [pc, #40] @ (8000408 <LoopForever+0x12>)
ldr r4, =_ebss
80003e0: 4c0a ldr r4, [pc, #40] @ (800040c <LoopForever+0x16>)
movs r3, #0
80003e2: 2300 movs r3, #0
b LoopFillZerobss
80003e4: e001 b.n 80003ea <LoopFillZerobss>
080003e6 <FillZerobss>:
FillZerobss:
str r3, [r2]
80003e6: 6013 str r3, [r2, #0]
adds r2, r2, #4
80003e8: 3204 adds r2, #4
080003ea <LoopFillZerobss>:
LoopFillZerobss:
cmp r2, r4
80003ea: 42a2 cmp r2, r4
bcc FillZerobss
80003ec: d3fb bcc.n 80003e6 <FillZerobss>
/* Call static constructors */
bl __libc_init_array
80003ee: f000 f80f bl 8000410 <__libc_init_array>
/* Call the application's entry point.*/
bl main
80003f2: f7ff ff11 bl 8000218 <main>
080003f6 <LoopForever>:
LoopForever:
b LoopForever
80003f6: e7fe b.n 80003f6 <LoopForever>
ldr r0, =_estack
80003f8: 20008000 .word 0x20008000
ldr r0, =_sdata
80003fc: 20000000 .word 0x20000000
ldr r1, =_edata
8000400: 20000000 .word 0x20000000
ldr r2, =_sidata
8000404: 08000478 .word 0x08000478
ldr r2, =_sbss
8000408: 20000000 .word 0x20000000
ldr r4, =_ebss
800040c: 20000020 .word 0x20000020
08000410 <__libc_init_array>:
8000410: b570 push {r4, r5, r6, lr}
8000412: 4d0d ldr r5, [pc, #52] @ (8000448 <__libc_init_array+0x38>)
8000414: 4c0d ldr r4, [pc, #52] @ (800044c <__libc_init_array+0x3c>)
8000416: 1b64 subs r4, r4, r5
8000418: 10a4 asrs r4, r4, #2
800041a: 2600 movs r6, #0
800041c: 42a6 cmp r6, r4
800041e: d109 bne.n 8000434 <__libc_init_array+0x24>
8000420: 4d0b ldr r5, [pc, #44] @ (8000450 <__libc_init_array+0x40>)
8000422: 4c0c ldr r4, [pc, #48] @ (8000454 <__libc_init_array+0x44>)
8000424: f000 f818 bl 8000458 <_init>
8000428: 1b64 subs r4, r4, r5
800042a: 10a4 asrs r4, r4, #2
800042c: 2600 movs r6, #0
800042e: 42a6 cmp r6, r4
8000430: d105 bne.n 800043e <__libc_init_array+0x2e>
8000432: bd70 pop {r4, r5, r6, pc}
8000434: f855 3b04 ldr.w r3, [r5], #4
8000438: 4798 blx r3
800043a: 3601 adds r6, #1
800043c: e7ee b.n 800041c <__libc_init_array+0xc>
800043e: f855 3b04 ldr.w r3, [r5], #4
8000442: 4798 blx r3
8000444: 3601 adds r6, #1
8000446: e7f2 b.n 800042e <__libc_init_array+0x1e>
8000448: 08000470 .word 0x08000470
800044c: 08000470 .word 0x08000470
8000450: 08000470 .word 0x08000470
8000454: 08000474 .word 0x08000474
08000458 <_init>:
8000458: b5f8 push {r3, r4, r5, r6, r7, lr}
800045a: bf00 nop
800045c: bcf8 pop {r3, r4, r5, r6, r7}
800045e: bc08 pop {r3}
8000460: 469e mov lr, r3
8000462: 4770 bx lr
08000464 <_fini>:
8000464: b5f8 push {r3, r4, r5, r6, r7, lr}
8000466: bf00 nop
8000468: bcf8 pop {r3, r4, r5, r6, r7}
800046a: bc08 pop {r3}
800046c: 469e mov lr, r3
800046e: 4770 bx lr

825
task1/Debug/task1.map
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@ -1,825 +0,0 @@
Archive member included to satisfy reference by file (symbol)
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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 0x298
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 0x80 ./Src/task1.o
0x08000218 main
.text.GPIO_init
0x08000298 0x50 ./Src/task1.o
.text.delay 0x080002e8 0x44 ./Src/task1.o
.text.ISR_error
0x0800032c 0x4c ./Src/task1_it.o
0x0800032c ISR_error
.text.ISR_default
0x08000378 0x4c ./Src/task1_it.o
0x08000378 ISR_default
.text.Reset_Handler
0x080003c4 0x4c ./Startup/startup_stm32g431kbtx.o
0x080003c4 Reset_Handler
.text.__libc_init_array
0x08000410 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)
0x08000410 __libc_init_array
*(.glue_7)
.glue_7 0x08000458 0x0 linker stubs
*(.glue_7t)
.glue_7t 0x08000458 0x0 linker stubs
*(.eh_frame)
.eh_frame 0x08000458 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 0x08000458 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
0x08000458 _init
.init 0x0800045c 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 0x08000464 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
0x08000464 _fini
.fini 0x08000468 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
0x08000470 . = ALIGN (0x4)
0x08000470 _etext = .
.vfp11_veneer 0x08000470 0x0
.vfp11_veneer 0x08000470 0x0 linker stubs
.v4_bx 0x08000470 0x0
.v4_bx 0x08000470 0x0 linker stubs
.iplt 0x08000470 0x0
.iplt 0x08000470 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 0x08000470 0x0
0x08000470 . = ALIGN (0x4)
*(.rodata)
*(.rodata*)
0x08000470 . = ALIGN (0x4)
.ARM.extab 0x08000470 0x0
0x08000470 . = ALIGN (0x4)
*(.ARM.extab* .gnu.linkonce.armextab.*)
0x08000470 . = ALIGN (0x4)
.ARM 0x08000470 0x0
0x08000470 . = ALIGN (0x4)
0x08000470 __exidx_start = .
*(.ARM.exidx*)
0x08000470 __exidx_end = .
0x08000470 . = ALIGN (0x4)
.preinit_array 0x08000470 0x0
0x08000470 . = ALIGN (0x4)
0x08000470 PROVIDE (__preinit_array_start = .)
*(.preinit_array*)
0x08000470 PROVIDE (__preinit_array_end = .)
0x08000470 . = ALIGN (0x4)
.init_array 0x08000470 0x4
0x08000470 . = ALIGN (0x4)
0x08000470 PROVIDE (__init_array_start = .)
*(SORT_BY_NAME(.init_array.*))
*(.init_array*)
.init_array 0x08000470 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
0x08000474 PROVIDE (__init_array_end = .)
0x08000474 . = ALIGN (0x4)
.fini_array 0x08000474 0x4
0x08000474 . = ALIGN (0x4)
[!provide] PROVIDE (__fini_array_start = .)
*(SORT_BY_NAME(.fini_array.*))
*(.fini_array*)
.fini_array 0x08000474 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 = .)
0x08000478 . = ALIGN (0x4)
0x08000478 _sidata = LOADADDR (.data)
.rel.dyn 0x08000478 0x0
.rel.iplt 0x08000478 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 0x08000478
0x20000000 . = ALIGN (0x4)
0x20000000 _sdata = .
*(.data)
*(.data*)
*(.RamFunc)
*(.RamFunc*)
0x20000000 . = ALIGN (0x4)
0x20000000 _edata = .
0x08000478 _siccmsram = LOADADDR (.ccmsram)
.igot.plt 0x20000000 0x0 load address 0x08000478
.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 0x08000478
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 0x7b3
.debug_info 0x00000000 0x3f7 ./Src/task1.o
.debug_info 0x000003f7 0x38b ./Src/task1_it.o
.debug_info 0x00000782 0x31 ./Startup/startup_stm32g431kbtx.o
.debug_abbrev 0x00000000 0x279
.debug_abbrev 0x00000000 0x156 ./Src/task1.o
.debug_abbrev 0x00000156 0xfd ./Src/task1_it.o
.debug_abbrev 0x00000253 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 0x39
.debug_rnglists
0x00000000 0x20 ./Src/task1.o
.debug_rnglists
0x00000020 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 0x953
.debug_line 0x00000000 0x4a4 ./Src/task1.o
.debug_line 0x000004a4 0x445 ./Src/task1_it.o
.debug_line 0x000008e9 0x6a ./Startup/startup_stm32g431kbtx.o
.debug_str 0x00000000 0x6f80d
.debug_str 0x00000000 0x6f794 ./Src/task1.o
0x6f930 (size before relaxing)
.debug_str 0x0006f794 0x48 ./Src/task1_it.o
0x6f900 (size before relaxing)
.debug_str 0x0006f7dc 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 0xe0
.debug_frame 0x00000000 0x74 ./Src/task1.o
.debug_frame 0x00000074 0x40 ./Src/task1_it.o
.debug_frame 0x000000b4 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

36
task1/Src/sketch.c Normal file
View File

@ -0,0 +1,36 @@
/*
* sketch.c
*
* Created on: Mar 18, 2026
* Author: tobii
*/
int reihenfolge[6] = {0, 1, 2, 3, 2, 1};
int main(){
while(1){
while(/*schalter nicht gedrückt*/){}
delay(10);
while(/*schalter losgelassen*/){}
delay(150);
int aktiv = 1;
while(aktiv){
for(int i; i < reihenfolge.length - 1 && aktiv = 1; i ++){
//alle LED einschalten
if(i = 0){/*alles bis auf LED0 auschalten*/}
if(i = 1){/*..*/}
//...
for(int zähler = 0; zähler < 333 && aktiv == 1; zähler++){
if(/*schalter gerückt*/){
aktiv = 0;
break;
}
else{
delay(1);
}
}
while(/*Taster gedrückt*/){}
}
}
}
}

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