diff options
Diffstat (limited to 'stm32f091')
| m--------- | stm32f091/lib/STM32-base | 0 | ||||
| m--------- | stm32f091/lib/STM32CubeF0 | 0 | ||||
| -rw-r--r-- | stm32f091/main.cpp | 21 | ||||
| -rw-r--r-- | stm32f091/makefile | 80 |
4 files changed, 101 insertions, 0 deletions
diff --git a/stm32f091/lib/STM32-base b/stm32f091/lib/STM32-base new file mode 160000 +Subproject d260b616689692bac0411812b37be065b34f335 diff --git a/stm32f091/lib/STM32CubeF0 b/stm32f091/lib/STM32CubeF0 new file mode 160000 +Subproject 830a0e950d421c17abff57a2ea1e97787035551 diff --git a/stm32f091/main.cpp b/stm32f091/main.cpp new file mode 100644 index 0000000..180240e --- /dev/null +++ b/stm32f091/main.cpp @@ -0,0 +1,21 @@ +#include <stm32f0xx.h> +#include <stdint.h> + +#define PORT GPIOA +#define PIN 5 + +int main() { + RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN; + + PORT->MODER &= ~(0b11 << (PIN * 2)); + PORT->MODER |= (0b01 << (PIN * 2)); + + uint8_t led = 1; + + while (1) { + PORT->ODR &= ~(1 << PIN); + PORT->ODR |= (led << PIN); + led ^= 1; + for (unsigned long i = 0; i < 50000; i++) asm("nop"); + } +} diff --git a/stm32f091/makefile b/stm32f091/makefile new file mode 100644 index 0000000..63139cb --- /dev/null +++ b/stm32f091/makefile @@ -0,0 +1,80 @@ +CC = arm-none-eabi-g++ +LD = arm-none-eabi-g++ +OC = arm-none-eabi-objcopy +RM = rm -f + +TARGET = main +MCU_SPEC = cortex-m0 + +CFLAGS += -g +CFLAGS += -Wall +CFLAGS += -Os +CFLAGS += -mcpu=$(MCU_SPEC) +CFLAGS += -mthumb +CFLAGS += --specs=nosys.specs +CFLAGS += -I./lib/STM32CubeF0/Drivers/CMSIS/DSP/Include +CFLAGS += -I./lib/STM32CubeF0/Drivers/CMSIS/Core/Include +CFLAGS += -I./lib/STM32CubeF0/Drivers/CMSIS/Device/ST/STM32F0xx/Include +CFLAGS += -I./lib/STM32CubeF0/Drivers/CMSIS/RTOS2/Include +CFLAGS += -I./lib/STM32CubeF0/Drivers/CMSIS/Core_A/Include +CFLAGS += -I./lib/STM32CubeF0/Drivers/CMSIS/Include +CFLAGS += -I./lib/STM32CubeF0/Drivers/CMSIS/NN/Include +CFLAGS += -I./lib/STM32-base/startup +CFLAGS += -D STM32F091xC + +LFLAGS += -Wl,-u,vfprintf +LFLAGS += -lm +LFLAGS += -Wl,-relax +LFLAGS += -Wl,-gc-sections +LFLAGS += -mcpu=$(MCU_SPEC) +LFLAGS += -mthumb +LFLAGS += -Wall +LFLAGS += --specs=nosys.specs +LFLAGS += -nostartfiles +LFLAGS += -nostdlib +LFLAGS += -lgcc +LFLAGS += -Wl,-L./lib/STM32-base/linker,-T./lib/STM32-base/linker/STM32F0xx/STM32F091xC.ld + +LFLAGS += -Wa,--defsym,CALL_ARM_SYSTEM_INIT=1 +LFLAGS += -march=armv6-m +LFLAGS += -mlittle-endian +LFLAGS += -mthumb +LFLAGS += -masm-syntax-unified +LFLAGS += -fno-threadsafe-statics +LFLAGS += -fno-rtti +LFLAGS += -fno-exceptions +LFLAGS += -fno-unwind-tables + +# AFLAGS += -ffunction-sections -fdata-sections + +SRCS += $(wildcard *.cpp) +OBJS += $(patsubst %.cpp,%.o, $(SRCS)) + +# SRCS += ./lib/STM32-base/startup/STM32F0xx/STM32F091xC.s +SRCS += ./lib/STM32CubeF0/Drivers/CMSIS/Device/ST/STM32F0xx/Source/Templates/system_stm32f0xx.o +OBJS += ./lib/STM32-base/startup/STM32F0xx/STM32F091xC.o + +%.o: %.s + $(CC) -x assembler-with-cpp -c $(CFLAGS) $(AFLAGS) $< -o $@ + +%.o: %.c + $(CC) -c $(CFLAGS) $< -o $@ + +%.o: %.cpp + $(CC) -c $(CFLAGS) $< -o $@ + +$(TARGET).elf: $(OBJS) + $(LD) $^ $(LFLAGS) -o $@ + +$(TARGET).bin: $(TARGET).elf + $(OC) -O binary $< $@ + +flash: $(TARGET).bin + st-flash write $(TARGET).bin 0x08000000 + +compile_commands: clean + compiledb make + +clean: + $(RM) $(TARGET).bin $(TARGET).elf $(OBJS) + |