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										 |  |  | ######################################
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							|  |  |  | # target
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							|  |  |  | ######################################
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							|  |  |  | TARGET = stm32g0_blinky | 
					
						
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										 |  |  | PART = STM32G030xx | 
					
						
							|  |  |  | PYOCD_TARGET = stm32g030f6px | 
					
						
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											2025-08-23 02:26:08 +10:00
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							|  |  |  | ######################################
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							|  |  |  | # building variables
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							|  |  |  | ######################################
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							|  |  |  | # debug build?
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							|  |  |  | DEBUG = 1 | 
					
						
							|  |  |  | # optimization for size
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							|  |  |  | OPT = -Os | 
					
						
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							|  |  |  | #######################################
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							|  |  |  | # paths
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							|  |  |  | #######################################
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							|  |  |  | # Build path
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							|  |  |  | BUILD_DIR = build | 
					
						
							|  |  |  | VND_DIR = ../../vendor | 
					
						
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							|  |  |  | ######################################
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							|  |  |  | # source
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							|  |  |  | ######################################
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							|  |  |  | # C sources
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							|  |  |  | include hal.mk | 
					
						
							|  |  |  | C_SOURCES += \
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							|  |  |  | $(VND_DIR)/STM32CubeG0/Drivers/CMSIS/Device/ST/STM32G0xx/Source/Templates/system_stm32g0xx.c \ | 
					
						
							|  |  |  | src/main.c | 
					
						
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							|  |  |  | # ASM sources
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							|  |  |  | ASM_SOURCES =  \
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							|  |  |  | $(VND_DIR)/STM32CubeG0/Drivers/CMSIS/Device/ST/STM32G0xx/Source/Templates/gcc/startup_stm32g030xx.s | 
					
						
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							|  |  |  | #######################################
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							|  |  |  | # binaries
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							|  |  |  | #######################################
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							|  |  |  | PREFIX = arm-none-eabi- | 
					
						
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							|  |  |  | CC = $(PREFIX)gcc | 
					
						
							|  |  |  | CP = $(PREFIX)objcopy | 
					
						
							|  |  |  | #SZ = $(PREFIX)size
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							|  |  |  | BIN = $(CP) -O binary -S | 
					
						
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							|  |  |  | #######################################
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							|  |  |  | # CFLAGS
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							|  |  |  | #######################################
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							|  |  |  | # cpu
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							|  |  |  | CPU = \
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							|  |  |  |  -mcpu=cortex-m0plus \
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							|  |  |  |  -mthumb | 
					
						
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							|  |  |  | DEFINES = -D$(PART) | 
					
						
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							|  |  |  | # fpu
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							|  |  |  | FPU =  | 
					
						
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							|  |  |  | # float-abi
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							|  |  |  | FLOAT-ABI = | 
					
						
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							|  |  |  | # mcu
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							|  |  |  | MCU = $(CPU) $(FPU) $(FLOAT-ABI) | 
					
						
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							|  |  |  | # C includes
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							|  |  |  | C_INCLUDES +=  \
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							|  |  |  |  -Isrc/inc \
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							|  |  |  |  -I$(VND_DIR)/STM32CubeG0/Drivers/CMSIS/Core/Include \
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							|  |  |  |  -I$(VND_DIR)/STM32CubeG0/Drivers/CMSIS/Device/ST/STM32G0xx/Include | 
					
						
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							|  |  |  | # compile gcc flags
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							|  |  |  | ADDN_CFLAGS = \
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							|  |  |  |  -Wall \
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							|  |  |  |  -fno-common \
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							|  |  |  |  -fdata-sections \
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							|  |  |  |  -ffunction-sections | 
					
						
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							|  |  |  | CFLAGS = $(MCU) $(ADDN_CFLAGS) $(C_INCLUDES) $(OPT) $(DEFINES) | 
					
						
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							|  |  |  | ifeq ($(DEBUG), 1) | 
					
						
							|  |  |  | CFLAGS += -ggdb3 | 
					
						
							|  |  |  | endif | 
					
						
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							|  |  |  | 
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							|  |  |  | # Generate dependency information
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							|  |  |  | #CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
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							|  |  |  | #######################################
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							|  |  |  | # LDFLAGS
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							|  |  |  | #######################################
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							|  |  |  | # link script
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							|  |  |  | LDSCRIPT = $(VND_DIR)/Ld/STM32G030F6MX_FLASH.ld | 
					
						
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							|  |  |  | LIBDIR =  | 
					
						
							|  |  |  | LDFLAGS =  \
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							|  |  |  |  $(MCU)  \
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							|  |  |  |  -T $(LDSCRIPT) \
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							|  |  |  |  --specs=nano.specs \
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							|  |  |  |  -Wl,--gc-sections \
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							|  |  |  |  -Wl,--print-memory-usage \
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							|  |  |  |  -Wl,--no-warn-rwx-segments | 
					
						
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							|  |  |  | # default action: build all
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							|  |  |  | all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).bin | 
					
						
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							|  |  |  | #######################################
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							|  |  |  | # build the application
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							|  |  |  | #######################################
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							|  |  |  | # list of objects
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							|  |  |  | OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o))) | 
					
						
							|  |  |  | vpath %.c $(sort $(dir $(C_SOURCES))) | 
					
						
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							|  |  |  | $(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR) | 
					
						
							|  |  |  | 	$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@ | 
					
						
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							|  |  |  | #$(LUAOBJECTS) $(OBJECTS)
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							|  |  |  | $(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile | 
					
						
							|  |  |  | 	$(CC) $(OBJECTS) $(LDFLAGS) $(ASM_SOURCES) -o $@ | 
					
						
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							|  |  |  | $(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR) | 
					
						
							|  |  |  | 	$(BIN) $< $@	 | 
					
						
							|  |  |  | 	 | 
					
						
							|  |  |  | $(BUILD_DIR): | 
					
						
							|  |  |  | 	mkdir $@		 | 
					
						
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							|  |  |  | #######################################
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							|  |  |  | # Program
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							|  |  |  | #######################################
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							|  |  |  | 
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							|  |  |  | flash: $(BUILD_DIR)/$(TARGET).bin | 
					
						
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										 |  |  | 	pyocd load --target $(PYOCD_TARGET) $(BUILD_DIR)/$(TARGET).bin | 
					
						
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											2025-08-23 02:26:08 +10:00
										 |  |  | 
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							|  |  |  | #######################################
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							|  |  |  | # clean up
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							|  |  |  | #######################################
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							|  |  |  | clean: | 
					
						
							|  |  |  | 	-rm -fR $(BUILD_DIR) | 
					
						
							|  |  |  |    | 
					
						
							|  |  |  | # *** EOF ***
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