mirror of
https://github.com/sergeyyarkov/atmega8a_rgb-night-light.git
synced 2026-10-11 10:29:27 +03:00
104 lines
3.1 KiB
Makefile
104 lines
3.1 KiB
Makefile
TARGET=firmware
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# === Directories path =============================================================================
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SRC_DIR=./src
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OBJ_DIR=./obj
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ASM_DIR=./asm
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OUT_DIR=./build
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# ==================================================================================================
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# === Device configuration =========================================================================
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MCU=atmega8a
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FUSE_HIGH=0xd9
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FUSE_LOW=0xff
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# ==================================================================================================
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# === Toolchain ====================================================================================
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OBJCOPY=avr-objcopy
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OBJDUMP=avr-objdump
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SIZE=avr-size
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CC=avr-gcc
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# ==================================================================================================
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# === Programmer options ===========================================================================
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# MPLAB SNAP: snap_jtag (or isp)
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# USBtiny: usbtiny
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AVRDUDE_DEVICE=m8a
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AVRDUDE_PROGRAMMER=snap_isp
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AVRDUDE_SPEED=128kHz
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AVRDUDE_FLAGS=-c $(AVRDUDE_PROGRAMMER) -p $(AVRDUDE_DEVICE) -B $(AVRDUDE_SPEED)
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# ==================================================================================================
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# === Compiler options =============================================================================
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CC_FLAGS=-Wall -Wextra
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ifeq ($(DEBUG), true)
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CC_FLAGS+=-ggdb -Og
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CC_FLAGS+=-Wl,-Map=$(OUT_DIR)/$(TARGET).map
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CC_FLAGS+=-DDEBUG_BUILD=TRUE
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else
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CC_FLAGS+=-Os
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endif
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CC_FLAGS+=-mmcu=$(MCU)
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CC_FLAGS+=-std=c11
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# ==================================================================================================
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OBJS=$(subst $(SRC_DIR),$(OBJ_DIR),$(patsubst %.c,%.o,$(wildcard $(SRC_DIR)/*.c)))
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ASMS=$(subst $(SRC_DIR),$(ASM_DIR),$(patsubst %.c,%.S,$(wildcard $(SRC_DIR)/*.c)))
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.PHONY: all asms hex clean size prog_flash prog_test prog_read_eep prog_read_fuses prog_flash_fuses
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all: hex size
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hex: $(OUT_DIR)/$(TARGET).hex
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asms: $(ASMS)
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prog_flash:
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avrdude $(AVRDUDE_FLAGS) -V -U flash:w:"$(OUT_DIR)/$(TARGET).hex":i
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prog_test:
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avrdude $(AVRDUDE_FLAGS)
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prog_read_eep:
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avrdude $(AVRDUDE_FLAGS) -U eeprom:r:"$(OUT_DIR)/eeprom.hex":i
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prog_read_fuses:
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avrdude $(AVRDUDE_FLAGS) -U hfuse:r:"$(OUT_DIR)/h_fuse.hex":h -U lfuse:r:"$(OUT_DIR)/l_fuse.hex":h
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prog_flash_fuses:
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avrdude $(AVRDUDE_FLAGS) -U hfuse:w:$(FUSE_HIGH):m -U lfuse:w:$(FUSE_LOW):m
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$(OUT_DIR)/$(TARGET).hex: $(OUT_DIR)/$(TARGET).elf $(OUT_DIR)/$(TARGET).S
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$(OBJCOPY) -R .eeprom -R .fuse -R .lock -R .signature -O ihex $< $@
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$(OUT_DIR)/$(TARGET).elf: $(OBJS) | $(OUT_DIR)
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$(CC) $(CC_FLAGS) $^ -o $@
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$(OUT_DIR)/$(TARGET).S: $(OBJS) | $(OUT_DIR)
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$(OBJDUMP) -D $(OUT_DIR)/$(TARGET).elf > $@
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## Compile to object files
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$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c $(SRC_DIR)/%.h | $(OBJ_DIR)
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$(CC) $(CC_FLAGS) -c $(SRC_DIR)/$(patsubst %.o,%.c, $(notdir $@)) -o $@
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## Compile to assembler files (optional)
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$(ASM_DIR)/%.S: $(SRC_DIR)/%.c $(SRC_DIR)/%.h | $(ASM_DIR)
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$(CC) -S -fverbose-asm $(CC_FLAGS) -c $(SRC_DIR)/$(patsubst %.S,%.c, $(notdir $@)) -o $@
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$(OUT_DIR):
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mkdir $@
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$(OBJ_DIR):
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mkdir $@
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$(ASM_DIR):
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mkdir $@
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clean:
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rm -rf $(OBJ_DIR)
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rm -rf $(OUT_DIR)
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rm -rf $(ASM_DIR)
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size: $(OUT_DIR)/$(TARGET).elf
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$(SIZE) --mcu=$(MCU) --format=avr $<
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