first commit
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fba966056a
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144
myapps/first/Makefile
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144
myapps/first/Makefile
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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 # check for pyocd
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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
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# 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
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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
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C_SOURCES += \
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$(VND_DIR)/STM32CubeG0/Drivers/CMSIS/Device/ST/STM32G0xx/Source/Templates/system_stm32g0xx.c \
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src/main.c
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# ASM sources
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ASM_SOURCES = \
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$(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
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CP = $(PREFIX)objcopy
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#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) $(FLOAT-ABI)
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# C includes
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C_INCLUDES += \
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-Iinc \
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-I$(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)
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CFLAGS += -ggdb3
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endif
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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 = $(VND_DIR)/Ld/STM32G030F6MX_FLASH.ld
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LIBDIR =
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LDFLAGS = \
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$(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)))
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vpath %.c $(sort $(dir $(C_SOURCES)))
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$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
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$(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: $(OBJECTS) Makefile
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$(CC) $(OBJECTS) $(LDFLAGS) $(ASM_SOURCES) -o $@
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$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
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$(BIN) $< $@
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$(BUILD_DIR):
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mkdir $@
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#######################################
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# Program
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#######################################
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flash: $(BUILD_DIR)/$(TARGET).bin
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pyocd load --target $(PART) $(BUILD_DIR)/$(TARGET).bin
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#######################################
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# clean up
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#######################################
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clean:
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-rm -fR $(BUILD_DIR)
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# *** EOF ***
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159
myapps/first/Makefile.bkp
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159
myapps/first/Makefile.bkp
Normal file
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@ -0,0 +1,159 @@
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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 # check for pyocd
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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
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# 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
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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
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C_SOURCES += \
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$(VND_DIR)/STM32CubeG0/Drivers/CMSIS/Device/ST/STM32G0xx/Source/Templates/system_stm32g0xx.c \
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src/main.c
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# ASM sources
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LDLIBS1 = \
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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
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CP = $(PREFIX)objcopy
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#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) $(FLOAT-ABI)
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# C includes
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C_INCLUDES += \
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-Iinc \
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-I$(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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# -std=c99 \
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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)
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CFLAGS += -ggdb3
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endif
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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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# libraries
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GROUP_START =-Wl,--start-group
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GROUP_END =-Wl,--end-group
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PROJECT_LIBS = \
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-lgcc \
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-lc \
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-lm \
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-lnosys
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LIBS = $(GROUP_START) $(PROJECT_LIBS) $(GROUP_END)
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LIBDIR =
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LDFLAGS = \
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$(MCU) \
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-T $(LDSCRIPT) \
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--specs=nano.specs \
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--specs=nosys.specs \
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-Xlinker -Map=$(BUILD_DIR)/$(TARGET).map \
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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)))
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vpath %.c $(sort $(dir $(C_SOURCES)))
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$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
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$(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: $(OBJECTS) Makefile
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$(CC) $(OBJECTS) $(LDFLAGS) $(LDLIBS1) -o $@
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$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
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$(BIN) $< $@
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$(BUILD_DIR):
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mkdir $@
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#######################################
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# Program
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#######################################
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flash: $(BUILD_DIR)/$(TARGET).bin
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pyocd load --target $(PART) $(BUILD_DIR)/$(TARGET).bin
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#######################################
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# clean up
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#######################################
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clean:
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-rm -fR $(BUILD_DIR)
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# *** EOF ***
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0
myapps/first/hal.mk
Normal file
0
myapps/first/hal.mk
Normal file
17
myapps/first/src/main.c
Normal file
17
myapps/first/src/main.c
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@ -0,0 +1,17 @@
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//#include <stdint.h>
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#include "stm32g0xx.h"
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#define LED_PIN 4
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int main(void)
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{
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RCC->IOPENR |= RCC_IOPENR_GPIOAEN;
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GPIOA->MODER |= GPIO_MODER_MODE5_0;
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while(1)
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{
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GPIOA->ODR ^= (1<<LED_PIN); // toggle diodes
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for (uint32_t i = 0; i < 1000000; i++);
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}
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}
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