81 lines
1.7 KiB
Makefile
81 lines
1.7 KiB
Makefile
# Hey Emacs, this is a -*- makefile -*-
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#----------------------------------------------------------------------------
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# Makefile for the avr-gcc Toolchain
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#
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# by Steffen Vogel <post@steffenvogel.de>
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#
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#----------------------------------------------------------------------------
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# Target Options
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TARGET = main
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OBJS = $(TARGET).o uart.o lcd.o
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# Hardware
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MCU = atmega328p
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F_CPU = 14745000
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# Programming
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AVRDUDE_FLAGS = -p m16 -c usbasp -P usb
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HFUSE=
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LFUSE=
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DEFINES = -DF_CPU=$(F_CPU)
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WARNINGS = -Wall -Wextra
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CPPFLAGS += -MD -MP
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CXXFLAGS +=
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CFLAGS += -g -O2 -mmcu=$(MCU) $(DEFINES) $(WARNINGS)
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LDFLAGS += -Wl,-Map,$(TARGET).map
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# Tools
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AR = avr-ar
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AS = avr-as
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CC = avr-gcc
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CXX = avr-g++
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NM = avr-nm
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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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AVRDUDE = avrdude
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# Dependencies
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-include $(OBJS:.o=.d)
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# Default Target
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all: $(TARGET).elf $(TARGET).hex $(TARGET).eep $(TARGET).lst
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$(TARGET).elf: $(OBJS)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^
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%.lst: %.elf
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$(OBJDUMP) -h -S $< > $@
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%.hex: %.elf
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$(OBJCOPY) -j .text -j .data -O ihex $< $@
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%.eep: %.elf
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$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 -O ihex $< $@
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flash: $(TARGET).hex
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$(AVRDUDE) $(AVRDUDE_FLAGS) -U flash:w:$(TARGET).hex
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eeprom: $(TARGET).eep
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$(AVRDUDE) $(AVRDUDE_FLAGS) -U eeprom:w:$(TARGET).eep
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fuses:
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$(AVRDUDE) $(AVRDUDE_FLAGS) -U hfuse:w:$(HFUSE):m -U lfuse:w:$(LFUSE):m
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size: $(TARGET).elf
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$(SIZE) -A $(TARGET).elf --format=avr --mcu $(MCU) | tail -n +5
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$(NM) --print-size --size-sort --reverse-sort --radix=d main.elf --format=s | tail -n +5 | head -n 12
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clean:
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rm -f $(OBJS).o
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rm -f $(TARGET).elf
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rm -f $(TARGET).hex
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rm -f $(TARGET).eep
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rm -f $(TARGET).lst
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rm -f $(TARGET).map
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.PHONY: all size clean flash eeprom fuses
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