61 lines
1.2 KiB
Makefile
61 lines
1.2 KiB
Makefile
# Makefile
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MCU=atmega328p
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F_CPU=16000000
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CC=avr-gcc
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OBJCOPY=avr-objcopy
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WFLAGS=-Wall -Wextra
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CFLAGS=--std=c99 -g -Os -mmcu=$(MCU) -ffunction-sections -fdata-sections
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CPPFLAGS=-DF_CPU=$(F_CPU) -MMD -Iinclude
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IFLAGS=
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LDFLAGS=-Wl,--gc-sections
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TARGET=main
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SERIAL=-P /dev/ttyUSB0 -b 115200
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SRC_DIR=src
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OBJ_DIR=build
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SRC_FILES=main.c utils.c uart.c rgb.c i2c.c aht20.c
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OBJ_FILES=$(patsubst %.c,%.o,$(SRC_FILES))
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DEP_FILES=$(patsubst %.c,%.d,$(SRC_FILES))
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SRC=$(addprefix $(SRC_DIR)/,$(SRC_FILES))
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OBJ=$(addprefix $(OBJ_DIR)/,$(OBJ_FILES))
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DEP=$(addprefix $(OBJ_DIR)/,$(DEP_FILES))
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ELF_FILE=$(OBJ_DIR)/$(TARGET).elf
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HEX_FILE=$(OBJ_DIR)/$(TARGET).hex
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all: flash
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re: fclean all
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fclean: clean
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rm -f $(HEX_FILE)
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rm -f $(ELF_FILE)
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clean:
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rm -rf $(OBJ_DIR)
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hex: $(HEX_FILE)
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flash: hex
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avrdude -p $(MCU) -c arduino -U flash:w:$(HEX_FILE):i $(SERIAL)
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
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@mkdir -p $(shell dirname $@)
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$(CC) $(CPPFLAGS) $(WFLAGS) $(CFLAGS) $(IFLAGS) -c $< -o $@
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$(ELF_FILE): $(OBJ)
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$(CC) $(CFLAGS) $(LDFLAGS) $(OBJ) -o $@
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$(HEX_FILE): $(ELF_FILE)
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$(OBJCOPY) -j .text -j .data -O ihex $< $@
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print:
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@echo $(SRC)
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@echo $(OBJ)
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@echo $(ELF_FILE)
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@echo $(HEX_FILE)
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-include $(DEP);
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