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@@ -49,3 +49,6 @@
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*** SESSION Feb. 28, 2026 20:03:36.773 -----------------------------------------
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*** SESSION März 01, 2026 11:22:28.450 -----------------------------------------
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*** SESSION März 01, 2026 11:55:48.249 -----------------------------------------
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*** SESSION März 13, 2026 10:49:11.272 -----------------------------------------
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*** SESSION März 16, 2026 12:55:55.445 -----------------------------------------
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*** SESSION März 24, 2026 14:01:49.132 -----------------------------------------
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@@ -217,3 +217,339 @@ arm-none-eabi-size task1.elf
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||||
1144 0 1568 2712 a98 task1.elf
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Finished building: default.size.stdout
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13:01:07 **** Build of configuration Debug for project task1 ****
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make -j24 all
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||||
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"
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||||
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"
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||||
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"
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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"
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||||
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"
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||||
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
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Finished building target: task1.elf
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||||
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||||
arm-none-eabi-size task1.elf
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arm-none-eabi-objdump -h -S task1.elf > "task1.list"
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||||
text data bss dec hex filename
|
||||
1664 0 1568 3232 ca0 task1.elf
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||||
Finished building: default.size.stdout
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||||
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||||
Finished building: task1.list
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||||
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||||
14:15:54 **** Incremental Build of configuration Debug for project task1 ****
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||||
make -j12 all
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||||
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"
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||||
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"
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||||
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"
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||||
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"
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||||
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
|
||||
|
||||
@@ -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)
|
||||
|
||||
|
||||
@@ -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)
|
||||
|
||||
|
||||
@@ -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)
|
||||
|
||||
|
||||
@@ -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
@@ -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
@@ -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 *******************************************#
|
||||
+325
@@ -0,0 +1,325 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOA_MODER
|
||||
MOVS r3, #0x05
|
||||
LDR r0, [r1, #1]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x04
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #1]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r3
|
||||
|
||||
STR r0, [r1, #0]
|
||||
|
||||
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+36
@@ -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 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*/){}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
+325
@@ -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 *******************************************#
|
||||
-147
@@ -1,147 +0,0 @@
|
||||
/* ***************************************************************************************
|
||||
* Project: task1 - C:GPIO
|
||||
* File: task1.c
|
||||
*
|
||||
* Language: C
|
||||
*
|
||||
* Hardware: STefi Light v1.1
|
||||
* Processor: STM32G431KBT6U
|
||||
*
|
||||
* Author: Manuel Lederhofer
|
||||
* Datum: 10.09.2021
|
||||
*
|
||||
* Version: 2.1
|
||||
* History:
|
||||
* 10.09.2021 ML create project
|
||||
* 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
* 18.02.2025 TK changed projectname to "C: GPIO)
|
||||
*
|
||||
* Status: under development
|
||||
*
|
||||
* Description:
|
||||
* Blinks the red LED of STefi Light, currently.
|
||||
* This file contains the main routine and the initialization.
|
||||
*
|
||||
* Notes:
|
||||
* - MCU speed at startup is 16 MHz
|
||||
*
|
||||
* Todo:
|
||||
* - Change the example code to match the description and requirements
|
||||
* of the requested application in the lab exercise guide.
|
||||
*
|
||||
************************************************************************************** */
|
||||
|
||||
/* ------------------------------------ INCLUDES -------------------------------------- */
|
||||
#include "stm32g431xx.h"
|
||||
#include "STefi-Light.h"
|
||||
|
||||
|
||||
/* ------------------------------------ DEFINES --------------------------------------- */
|
||||
#define LOOPS_PER_MS 1244 // NOP-loops for delay()
|
||||
#define WAITTIME 500
|
||||
|
||||
|
||||
/* ------------------------------------ TYPE DEFINITIONS ------------------------------ */
|
||||
/* ------------------------------------ GLOBAL VARIABLES ------------------------------ */
|
||||
int state = 0;
|
||||
/* ------------------------------------ PRIVATE VARIABLES ----------------------------- */
|
||||
|
||||
|
||||
/* ------------------------------------ PROTOTYPES ------------------------------------ */
|
||||
static void GPIO_init(void);
|
||||
static void delay(const uint16_t ms);
|
||||
|
||||
|
||||
/* ------------------------------------ M A I N --------------------------------------- */
|
||||
int main(void)
|
||||
{
|
||||
/* --- initialization --- */
|
||||
__disable_irq(); // disable interrupts globally
|
||||
|
||||
GPIO_init();
|
||||
|
||||
__enable_irq(); // enable interrupts globally
|
||||
|
||||
|
||||
/* --- one time tasks --- */
|
||||
|
||||
|
||||
/* --- infinite processing loop --- */
|
||||
while (1)
|
||||
{
|
||||
/* ... add your code to implement the lab assignment ... */
|
||||
|
||||
switch (state) {
|
||||
case 0:
|
||||
GPIOA->ODR &= ~(1 << 1); // LED0 on
|
||||
|
||||
state++;
|
||||
break;
|
||||
case 1:
|
||||
delay(WAITTIME); // wait
|
||||
state++;
|
||||
break;
|
||||
case 2:
|
||||
GPIOA->ODR |= (1 << 1); // LED0 off
|
||||
delay(WAITTIME); // wait
|
||||
state = 0;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
/* ------------------------------------ GLOBAL FUNCTIONS ------------------------------ */
|
||||
|
||||
|
||||
/* ------------------------------------ PRIVATE FUNCTIONS ----------------------------- */
|
||||
|
||||
/* ------------------------------------------------------------------------------------ *\
|
||||
* method: static void GPIO_init(void)
|
||||
*
|
||||
* Initializes GPIOs on STefi Light for pins with peripherals attached.
|
||||
*
|
||||
* requires: - nothing -
|
||||
* parameters: - none -
|
||||
* returns: - nothing -
|
||||
\* ------------------------------------------------------------------------------------ */
|
||||
static void GPIO_init(void)
|
||||
{
|
||||
/* enable port clocks */
|
||||
RCC->AHB2ENR |= RCC_AHB2ENR_GPIOAEN; // LEDs: A
|
||||
|
||||
|
||||
/* --- LEDs --- */
|
||||
//GPIOA->ODR |= MASK_LED_RED;
|
||||
GPIOA->ODR |= MASK_LED_YELLOW;
|
||||
GPIOA->MODER &= ~(3 << 0);
|
||||
GPIOA->MODER |= (1 << 1); // set LED pin to output
|
||||
}
|
||||
|
||||
|
||||
/* ------------------------------------------------------------------------------------ *\
|
||||
* method: static void delay(const uint16_t ms)
|
||||
*
|
||||
* Realizes a millisecond delay by very bad busy-wait.
|
||||
*
|
||||
* requires: - nothing -
|
||||
* parameters: ms - delay time in milliseconds
|
||||
* returns: - nothing -
|
||||
\* ------------------------------------------------------------------------------------ */
|
||||
static void delay(const uint16_t ms)
|
||||
{
|
||||
for (uint16_t i = 0; i < ms; ++i)
|
||||
{
|
||||
for (uint16_t j = 0; j < LOOPS_PER_MS; ++j)
|
||||
{
|
||||
__asm("NOP");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* ************************************ E O F ***************************************** */
|
||||
+325
@@ -0,0 +1,325 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOA_MODER
|
||||
MOVS r3, #0x03
|
||||
LDR r0, [r1, #1]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x01
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #2]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r3
|
||||
|
||||
STR r0, [r1, #0]
|
||||
|
||||
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+325
@@ -0,0 +1,325 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOA_MODER
|
||||
MOVS r3, #0x05
|
||||
LDR r0, [r1, #1]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x05
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #1]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r3
|
||||
|
||||
STR r0, [r1, #0]
|
||||
|
||||
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+325
@@ -0,0 +1,325 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
# LDR r1, =GPIOB_MODER
|
||||
# MOVS r3, #0x03
|
||||
# LDR r0, [r1, #1]
|
||||
# BICS r0, r3
|
||||
# MOVS r3, #0x01
|
||||
# ORRS r0, r0, r3
|
||||
# STR r0, [r1, #1]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r3
|
||||
|
||||
STR r0, [r1, #0]
|
||||
|
||||
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+325
@@ -0,0 +1,325 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOA_MODER
|
||||
MOVS r3, #0x05
|
||||
LDR r0, [r1, #1]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x03
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #1]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r3
|
||||
|
||||
STR r0, [r1, #0]
|
||||
|
||||
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+325
@@ -0,0 +1,325 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOA_MODER
|
||||
MOVS r3, #0x03
|
||||
LDR r0, [r1, #1]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x01
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #1]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r3
|
||||
|
||||
STR r0, [r1, #0]
|
||||
|
||||
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+325
@@ -0,0 +1,325 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOB_MODER
|
||||
MOVS r3, #0x03
|
||||
LDR r0, [r1, #1]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x01
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #1]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r3
|
||||
|
||||
STR r0, [r1, #0]
|
||||
|
||||
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+325
@@ -0,0 +1,325 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOA_MODER
|
||||
MOVS r3, #0x01
|
||||
LDR r0, [r1, #1]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x01
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #1]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r3
|
||||
|
||||
STR r0, [r1, #0]
|
||||
|
||||
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+325
@@ -0,0 +1,325 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOA_MODER
|
||||
MOVS r3, #0x02
|
||||
LDR r0, [r1, #1]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x01
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #1]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r3
|
||||
|
||||
STR r0, [r1, #0]
|
||||
|
||||
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+314
@@ -0,0 +1,314 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r2
|
||||
STR r0, [r1, #0]
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+325
@@ -0,0 +1,325 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
# LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
# MOVS r2, #0x03 // prepare mask
|
||||
# LDR r0, [r1, #0] // get current value of port A mode register
|
||||
# BICS r0, r2 // delete bits
|
||||
# MOVS r2, #0x01 // load configuration mask
|
||||
# ORRS r0, r0, r2 // apply mask
|
||||
# STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOB_MODER
|
||||
MOVS r3, #0x03
|
||||
LDR r0, [r1, #1]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x01
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #1]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r3
|
||||
|
||||
STR r0, [r1, #0]
|
||||
|
||||
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+325
@@ -0,0 +1,325 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOA_MODER
|
||||
MOVS r3, #0x03
|
||||
LDR r0, [r1, #2]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x01
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #2]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r3
|
||||
|
||||
STR r0, [r1, #0]
|
||||
|
||||
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+325
@@ -0,0 +1,325 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOA_MODER
|
||||
MOVS r3, #0x03
|
||||
LDR r0, [r1, #1]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x01
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #1]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r3
|
||||
|
||||
STR r0, [r1, #0]
|
||||
|
||||
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+8
@@ -0,0 +1,8 @@
|
||||
/*
|
||||
* sketch.c
|
||||
*
|
||||
* Created on: Mar 18, 2026
|
||||
* Author: tobii
|
||||
*/
|
||||
|
||||
|
||||
+324
@@ -0,0 +1,324 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOA_MODER
|
||||
MOVS r3, #0x05
|
||||
LDR r0, [r1, #1]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x01
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #1]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
LDR r1, =GPIO_IDR
|
||||
MOVS
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r2
|
||||
EORS r0, r0, r3
|
||||
STR r0, [r1, #0]
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+323
@@ -0,0 +1,323 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOA_MODER
|
||||
MOVS r3, #0x05
|
||||
LDR r0, [r1, #1]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x01
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #1]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r2
|
||||
EORS r0, r0, r3
|
||||
STR r0, [r1, #0]
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+325
@@ -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 *******************************************#
|
||||
+24
@@ -0,0 +1,24 @@
|
||||
/*
|
||||
* 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)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
+315
@@ -0,0 +1,315 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
LDR r1, =GPIO_IDR
|
||||
MOVS
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r2
|
||||
STR r0, [r1, #0]
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
+325
@@ -0,0 +1,325 @@
|
||||
#****************************************************************************************#
|
||||
# Project: task2 - ASM: Interrupts
|
||||
# File: task2.s
|
||||
#
|
||||
# Language: ASM
|
||||
#
|
||||
# Hardware: STefi Light v1.1
|
||||
# Processor: STM32G431KBT6U
|
||||
#
|
||||
# Author: Manuel Lederhofer
|
||||
# Datum: 31.10.2014
|
||||
#
|
||||
# Version: 6.0
|
||||
# History:
|
||||
# 31.10.2014 ML create file
|
||||
# 27.09.2018 ML edit comments, extend vector table
|
||||
# 18.12.2018 ML port from MKL05Z32VLC4 to STM32L476RG
|
||||
# 27.02.2019 ML move section of exception handlers to bottom of file
|
||||
# 25.09.2019 ML minor changes for a better code and comment understanding
|
||||
# 04.09.2020 HL port from STM32L476RG to STM32F411xE
|
||||
# 21.09.2020 ML tidy up, comments and formatting
|
||||
# 29.09.2021 ML port from STM32F411xE to STM32F042K6T6
|
||||
# 09.03.2022 ML port from STM32F042K6T6 to STM32G431KBT6U
|
||||
# 10.02.2025 TK remove ASM:Polling,move ASM:Interrupts to task2
|
||||
# 24.06.2025 TK remove /* ... place your code here ... */
|
||||
#
|
||||
# Status: working
|
||||
#
|
||||
# Description:
|
||||
# See the description and requirements of the requested application
|
||||
# in the lab exercise guide.
|
||||
#
|
||||
# Notes:
|
||||
# - MCU speed at startup is 16 MHz
|
||||
#
|
||||
# ToDo:
|
||||
# - Change the example code to match the description and requirements
|
||||
# of the requested application in the lab exercise guide.
|
||||
#****************************************************************************************#
|
||||
|
||||
.include "G431_addr.s"
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .vectortable,"a" // vector table at begin of ROM
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
|
||||
.word 0x20004000 // initial Stack Pointer: 0x20000000 (RAM base) + 0x4000 (16K SRAM1 length)
|
||||
.word 0x08000401 // initial Program Counter
|
||||
.word _ISR_NMI // non-masking interrupt
|
||||
.word _ISR_HARDF // hard fault interrupt
|
||||
|
||||
|
||||
|
||||
/* N.B.
|
||||
Look at the .space or the .org assembler directive to insert the address of the
|
||||
ISRs at the right place in the vector table. Verify your settings by the help of
|
||||
the list file. */
|
||||
|
||||
.word _ISR_S0
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.text // section .text (default section for program code)
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global init
|
||||
.type init, %function
|
||||
init:
|
||||
CPSID i // disable interrupts globally
|
||||
|
||||
MOVS r0, #0 // safely initialize the GPRs
|
||||
MOVS r1, #0
|
||||
MOVS r2, #0
|
||||
MOVS r3, #0
|
||||
MOVS r4, #0
|
||||
MOVS r5, #0
|
||||
MOVS r6, #0
|
||||
MOVS r7, #0
|
||||
MOV r8, r0
|
||||
MOV r9, r0
|
||||
MOV r10, r0
|
||||
MOV r11, r0
|
||||
MOV r12, r0
|
||||
|
||||
#--- enable port clocking
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask for adjusting port clock gating (A: LEDs)
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for ports
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- port init
|
||||
#- LEDs
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0x03 // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r2 // delete bits
|
||||
MOVS r2, #0x01 // load configuration mask
|
||||
ORRS r0, r0, r2 // apply mask
|
||||
STR r0, [r1, #0] // apply result to port A mode register
|
||||
|
||||
LDR r1, =GPIOA_MODER
|
||||
MOVS r3, #0x05
|
||||
LDR r0, [r1, #1]
|
||||
BICS r0, r3
|
||||
MOVS r3, #0x02
|
||||
ORRS r0, r0, r3
|
||||
STR r0, [r1, #1]
|
||||
|
||||
#- switch LED off
|
||||
LDR r1, =GPIOA_ODR // load port A output data register
|
||||
MOVS r2, #0x01 // load mask for LED
|
||||
LDR r0, [r1, #0] // get current value of GPIOA
|
||||
ORRS r0, r0, r2 // configure pin state
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#- buttons
|
||||
|
||||
/* ... place your code here ... */
|
||||
|
||||
|
||||
#--- button interrupt config
|
||||
|
||||
#- enable clock for SYSCFG module
|
||||
|
||||
|
||||
#- connect GPIO pins of the buttons to EXTended Interrupt controller lines (EXTI)
|
||||
# in SYSCFG module (SYSCFG_* registers)
|
||||
|
||||
|
||||
|
||||
|
||||
#- configure lines in EXTI module (EXTI_* registers)
|
||||
|
||||
|
||||
|
||||
#- NVIC: set interrupt priority, clear pending bits
|
||||
# and enable interrupts for buttons (see: PM, ch. 4.3, NVIC)
|
||||
|
||||
|
||||
|
||||
CPSIE i // enable interrupts globally
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global main
|
||||
.type main, %function
|
||||
main:
|
||||
LDR r1, =GPIOA_ODR
|
||||
EORS r0, r0, r3
|
||||
|
||||
STR r0, [r1, #0]
|
||||
|
||||
|
||||
|
||||
BL delay
|
||||
|
||||
|
||||
B main
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.thumb_func
|
||||
.global delay
|
||||
.type delay, %function
|
||||
delay:
|
||||
MOVS r6, #0 // ...
|
||||
LDR r7, =2000000 // ...
|
||||
.L1:
|
||||
ADDS r6, r6, #1 // ...
|
||||
CMP r6, r7 // ...
|
||||
BNE .L1 // ...
|
||||
BX lr // ...
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.global stop
|
||||
stop:
|
||||
NOP // do nothing (NOP is here to avoid a debugger crash, only)
|
||||
B stop // if this line is reached, something went wrong
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp1: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.section .exhand,"ax" // section for exception handlers
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_NMI, %function
|
||||
_ISR_NMI:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x44 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x0A // load mask for blue and yellow LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_NMI
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_HARDF, %function
|
||||
_ISR_HARDF:
|
||||
#--- enable clock
|
||||
LDR r1, =RCC_AHB2ENR // load address of RCC_AHB2ENR
|
||||
MOV r2, #0x01 // load mask
|
||||
LDR r0, [r1, #0] // get current value of RCC_AHB2ENR
|
||||
ORRS r0, r0, r2 // configure clock gating for port
|
||||
STR r0, [r1, #0] // apply settings
|
||||
|
||||
#--- init pins
|
||||
LDR r1, =GPIOA_MODER // load port A mode register address
|
||||
MOVS r2, #0xFF // prepare mask
|
||||
LDR r0, [r1, #0] // get current value of port A mode register
|
||||
BICS r0, r0, r2 // delete bits
|
||||
MOVS r2, #0x11 // load configuration mask
|
||||
ORRS r0, r0, r2 // configure pins
|
||||
STR r0, [r1, #0] // apply settings to port A mode register
|
||||
|
||||
#--- switch some LEDs on
|
||||
LDR r1, =GPIOA_ODR // load port A data output register address
|
||||
MOVS r2, #0x05 // load mask for red and green LED
|
||||
LDR r0, [r1, #0]
|
||||
BICS r0, r0, r2
|
||||
STR r0, [r1, #0] // switch LEDs on
|
||||
|
||||
B _ISR_HARDF
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S0, %function
|
||||
_ISR_S0:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.align 2
|
||||
.syntax unified
|
||||
.thumb
|
||||
.type _ISR_S1, %function
|
||||
_ISR_S1:
|
||||
PUSH {lr} // save special content
|
||||
|
||||
#--- do the work
|
||||
|
||||
|
||||
|
||||
|
||||
#--- clear interrupt flag
|
||||
|
||||
|
||||
|
||||
#--- leave ISR
|
||||
POP {r1} // get special content back
|
||||
BX r1 // go back to where we came from
|
||||
|
||||
|
||||
#----------------------------------------------------------------------------------------#
|
||||
.lp2: // this label is only to nicify the line up in the .lst file
|
||||
.ltorg
|
||||
#----------------------------------------------------------------------------------------#
|
||||
|
||||
.end
|
||||
|
||||
#************************************** E O F *******************************************#
|
||||
BIN
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BIN
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+1
-1
@@ -1,3 +1,3 @@
|
||||
BreakpointActionManager.actionData=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?>\n<breakpointActionData>\n <actionEntry class\="org.eclipse.cdt.debug.ui.breakpointactions.ResumeAction" name\="Untitled Resume Action" value\="<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?>&\#10;<resumeData pauseTime\="0"/>&\#10;"/>\n <actionEntry class\="org.eclipse.cdt.debug.ui.breakpointactions.LogAction" name\="my log" value\="<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?>&\#10;<logData evalExpr\="false" message\="delay called"/>&\#10;"/>\n</breakpointActionData>\n
|
||||
eclipse.preferences.version=1
|
||||
org.eclipse.cdt.debug.core.cDebug.default_source_containers=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?>\r\n<sourceLookupDirector>\r\n <sourceContainers duplicates\="false">\r\n <container memento\="AbsolutePath" typeId\="org.eclipse.cdt.debug.core.containerType.absolutePath"/>\r\n <container memento\="programRelativePath" typeId\="org.eclipse.cdt.debug.core.containerType.programRelativePath"/>\r\n <container memento\="<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?>&\#13;&\#10;<project referencedProjects\="true"/>&\#13;&\#10;" typeId\="org.eclipse.cdt.debug.core.containerType.project"/>\r\n </sourceContainers>\r\n</sourceLookupDirector>\r\n
|
||||
org.eclipse.cdt.debug.core.cDebug.default_source_containers=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?>\n<sourceLookupDirector>\n <sourceContainers duplicates\="false">\n <container memento\="AbsolutePath" typeId\="org.eclipse.cdt.debug.core.containerType.absolutePath"/>\n <container memento\="programRelativePath" typeId\="org.eclipse.cdt.debug.core.containerType.programRelativePath"/>\n <container memento\="<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?>&\#10;<project referencedProjects\="true"/>&\#10;" typeId\="org.eclipse.cdt.debug.core.containerType.project"/>\n </sourceContainers>\n</sourceLookupDirector>\n
|
||||
|
||||
+6
-6
@@ -1,17 +1,17 @@
|
||||
eclipse.preferences.version=1
|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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||||
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|
||||
|
||||
+1
-1
@@ -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
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
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
|
||||
|
||||
@@ -2,8 +2,8 @@
|
||||
<launchHistory>
|
||||
<launchGroup id="org.eclipse.debug.ui.launchGroup.debug">
|
||||
<mruHistory>
|
||||
<launch memento="<?xml version="1.0" encoding="UTF-8" standalone="no"?> <launchConfiguration local="false" path="/task1/task1.launch"/> "/>
|
||||
<launch memento="<?xml version="1.0" encoding="UTF-8" standalone="no"?> <launchConfiguration local="false" path="/task2/task2.launch"/> "/>
|
||||
<launch memento="<?xml version="1.0" encoding="UTF-8" standalone="no"?> <launchConfiguration local="false" path="/task1/task1.launch"/> "/>
|
||||
<launch memento="<?xml version="1.0" encoding="UTF-8" standalone="no"?> <launchConfiguration local="false" path="/task4/task4.launch"/> "/>
|
||||
<launch memento="<?xml version="1.0" encoding="UTF-8" standalone="no"?> <launchConfiguration local="false" path="/task3/task3 Debug.launch"/> "/>
|
||||
</mruHistory>
|
||||
@@ -24,8 +24,8 @@
|
||||
</launchGroup>
|
||||
<launchGroup id="org.eclipse.debug.ui.launchGroup.run">
|
||||
<mruHistory>
|
||||
<launch memento="<?xml version="1.0" encoding="UTF-8" standalone="no"?> <launchConfiguration local="false" path="/task1/task1.launch"/> "/>
|
||||
<launch memento="<?xml version="1.0" encoding="UTF-8" standalone="no"?> <launchConfiguration local="false" path="/task2/task2.launch"/> "/>
|
||||
<launch memento="<?xml version="1.0" encoding="UTF-8" standalone="no"?> <launchConfiguration local="false" path="/task1/task1.launch"/> "/>
|
||||
<launch memento="<?xml version="1.0" encoding="UTF-8" standalone="no"?> <launchConfiguration local="false" path="/task4/task4.launch"/> "/>
|
||||
<launch memento="<?xml version="1.0" encoding="UTF-8" standalone="no"?> <launchConfiguration local="false" path="/task3/task3 Debug.launch"/> "/>
|
||||
</mruHistory>
|
||||
|
||||
File diff suppressed because one or more lines are too long
+3
@@ -0,0 +1,3 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<session version="1.0">
<refactoring comment="Rename resource 'task2/task2.s' to 'task2_tobi.s'" description="Rename resource 'task2.s'" flags="7" id="org.eclipse.ltk.core.refactoring.rename.resource" input="task2.s" name="task2_tobi.s" stamp="1774358097434" updateReferences="true"/>
<refactoring comment="Rename resource 'task2/task2_efe.s' to 'task2.s'" description="Rename resource 'task2_efe.s'" flags="7" id="org.eclipse.ltk.core.refactoring.rename.resource" input="task2_efe.s" name="task2.s" stamp="1774358106409" updateReferences="true"/>
|
||||
</session>
|
||||
+2
@@ -0,0 +1,2 @@
|
||||
1774358097434 Rename resource 'task2.s'
|
||||
1774358106409 Rename resource 'task2_efe.s'
|
||||
@@ -1,3 +1,3 @@
|
||||
#Tue Mar 10 17:55:17 CET 2026
|
||||
#Tue Mar 24 14:11:27 CET 2026
|
||||
org.eclipse.core.runtime=2
|
||||
org.eclipse.platform=4.30.0.v20231201-0110
|
||||
|
||||
@@ -0,0 +1,2 @@
|
||||
= Vorbereitungsfragen
|
||||
|
||||
@@ -0,0 +1,110 @@
|
||||
<?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>
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,12 @@
|
||||
= 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
|
||||
|
||||
@@ -0,0 +1,17 @@
|
||||
= 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.
|
||||
@@ -13,7 +13,7 @@
|
||||
<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="743904029185599562" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD "${INPUTS}"" 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} ${FLAGS} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
|
||||
<language-scope id="org.eclipse.cdt.core.gcc"/>
|
||||
<language-scope id="org.eclipse.cdt.core.g++"/>
|
||||
</provider>
|
||||
|
||||
@@ -1,3 +0,0 @@
|
||||
../Src/task1.c:56:5:main 5
|
||||
../Src/task1.c:112:13:GPIO_init 1
|
||||
../Src/task1.c:135:13:delay 3
|
||||
@@ -1,11 +0,0 @@
|
||||
Src/task1.o: ../Src/task1.c ../Inc/stm32g431xx.h ../Inc/core_cm4.h \
|
||||
../Inc/cmsis_version.h ../Inc/cmsis_compiler.h ../Inc/cmsis_gcc.h \
|
||||
../Inc/mpu_armv7.h ../Inc/system_stm32g4xx.h ../Inc/STefi-Light.h
|
||||
../Inc/stm32g431xx.h:
|
||||
../Inc/core_cm4.h:
|
||||
../Inc/cmsis_version.h:
|
||||
../Inc/cmsis_compiler.h:
|
||||
../Inc/cmsis_gcc.h:
|
||||
../Inc/mpu_armv7.h:
|
||||
../Inc/system_stm32g4xx.h:
|
||||
../Inc/STefi-Light.h:
|
||||
Binary file not shown.
@@ -1,3 +0,0 @@
|
||||
../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
|
||||
@@ -1,2 +0,0 @@
|
||||
../Src/task1_it.c:56:6:ISR_error 1
|
||||
../Src/task1_it.c:76:6:ISR_default 1
|
||||
@@ -1,11 +0,0 @@
|
||||
Src/task1_it.o: ../Src/task1_it.c ../Inc/stm32g431xx.h ../Inc/core_cm4.h \
|
||||
../Inc/cmsis_version.h ../Inc/cmsis_compiler.h ../Inc/cmsis_gcc.h \
|
||||
../Inc/mpu_armv7.h ../Inc/system_stm32g4xx.h ../Inc/STefi-Light.h
|
||||
../Inc/stm32g431xx.h:
|
||||
../Inc/core_cm4.h:
|
||||
../Inc/cmsis_version.h:
|
||||
../Inc/cmsis_compiler.h:
|
||||
../Inc/cmsis_gcc.h:
|
||||
../Inc/mpu_armv7.h:
|
||||
../Inc/system_stm32g4xx.h:
|
||||
../Inc/STefi-Light.h:
|
||||
Binary file not shown.
@@ -1,2 +0,0 @@
|
||||
../Src/task1_it.c:56:6:ISR_error 4 static
|
||||
../Src/task1_it.c:76:6:ISR_default 4 static
|
||||
@@ -1 +0,0 @@
|
||||
Startup/startup_stm32g431kbtx.o: ../Startup/startup_stm32g431kbtx.s
|
||||
Binary file not shown.
@@ -1,18 +0,0 @@
|
||||
../Startup/syscalls.c:44:6:initialise_monitor_handles 1
|
||||
../Startup/syscalls.c:48:5:_getpid 1
|
||||
../Startup/syscalls.c:53:5:_kill 1
|
||||
../Startup/syscalls.c:61:6:_exit 1
|
||||
../Startup/syscalls.c:67:27:_read 2
|
||||
../Startup/syscalls.c:80:27:_write 2
|
||||
../Startup/syscalls.c:92:5:_close 1
|
||||
../Startup/syscalls.c:99:5:_fstat 1
|
||||
../Startup/syscalls.c:106:5:_isatty 1
|
||||
../Startup/syscalls.c:112:5:_lseek 1
|
||||
../Startup/syscalls.c:120:5:_open 1
|
||||
../Startup/syscalls.c:128:5:_wait 1
|
||||
../Startup/syscalls.c:135:5:_unlink 1
|
||||
../Startup/syscalls.c:142:5:_times 1
|
||||
../Startup/syscalls.c:148:5:_stat 1
|
||||
../Startup/syscalls.c:155:5:_link 1
|
||||
../Startup/syscalls.c:163:5:_fork 1
|
||||
../Startup/syscalls.c:169:5:_execve 1
|
||||
@@ -1 +0,0 @@
|
||||
Startup/syscalls.o: ../Startup/syscalls.c
|
||||
Binary file not shown.
@@ -1,18 +0,0 @@
|
||||
../Startup/syscalls.c:44:6:initialise_monitor_handles 4 static
|
||||
../Startup/syscalls.c:48:5:_getpid 4 static
|
||||
../Startup/syscalls.c:53:5:_kill 16 static
|
||||
../Startup/syscalls.c:61:6:_exit 16 static
|
||||
../Startup/syscalls.c:67:27:_read 32 static
|
||||
../Startup/syscalls.c:80:27:_write 32 static
|
||||
../Startup/syscalls.c:92:5:_close 16 static
|
||||
../Startup/syscalls.c:99:5:_fstat 16 static
|
||||
../Startup/syscalls.c:106:5:_isatty 16 static
|
||||
../Startup/syscalls.c:112:5:_lseek 24 static
|
||||
../Startup/syscalls.c:120:5:_open 12 static
|
||||
../Startup/syscalls.c:128:5:_wait 16 static
|
||||
../Startup/syscalls.c:135:5:_unlink 16 static
|
||||
../Startup/syscalls.c:142:5:_times 16 static
|
||||
../Startup/syscalls.c:148:5:_stat 16 static
|
||||
../Startup/syscalls.c:155:5:_link 16 static
|
||||
../Startup/syscalls.c:163:5:_fork 8 static
|
||||
../Startup/syscalls.c:169:5:_execve 24 static
|
||||
@@ -1 +0,0 @@
|
||||
../Startup/sysmem.c:53:7:_sbrk 3
|
||||
@@ -1 +0,0 @@
|
||||
Startup/sysmem.o: ../Startup/sysmem.c
|
||||
Binary file not shown.
@@ -1 +0,0 @@
|
||||
../Startup/sysmem.c:53:7:_sbrk 32 static
|
||||
Binary file not shown.
@@ -1,501 +0,0 @@
|
||||
|
||||
task1.elf: file format elf32-littlearm
|
||||
|
||||
Sections:
|
||||
Idx Name Size VMA LMA File off Algn
|
||||
0 .isr_vector 000001d8 08000000 08000000 00001000 2**2
|
||||
CONTENTS, ALLOC, LOAD, READONLY, DATA
|
||||
1 .text 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
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user