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# vim:ft=make
MCU = atmega328p
PROGRAMMER ?= usbasp
PORT = /dev/ttyUSB0
BAUD = 57600
INCLUDES += -Iinclude/arduino-nano
COMMON_FLAGS += -mmcu=${MCU} -DF_CPU=16000000UL
CC = avr-gcc
CXX = avr-g++
NM = avr-nm
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
TARGETS += src/arch/arduino-nano/arch.cc
TARGETS += src/arch/arduino-nano/driver/gpio.cc
TARGETS += src/arch/arduino-nano/driver/stdout.cc
TARGETS += src/arch/arduino-nano/driver/uptime.cc
OBJECTS = ${TARGETS:.cc=.o}
.cc.o:
${CXX} ${INCLUDES} ${COMMON_FLAGS} ${CXXFLAGS} -c -o $@ ${@:.o=.cc}
build/system.elf: ${OBJECTS}
${CXX} ${COMMON_FLAGS} ${CXXFLAGS} -Wl,--gc-sections -o $@ ${OBJECTS}
avr-size --format=avr --mcu=${MCU} $@
build/system.hex: build/system.elf
${OBJCOPY} -O ihex ${@:.hex=.elf} $@
program: build/system.hex
avrdude -p ${MCU} -c arduino -P ${PORT} -b ${BAUD} -U flash:w:build/system.hex
arch_clean:
rm -f ${OBJECTS} build/system.hex
monitor:
screen ${PORT} 115200
arch_help:
@echo "arduino-nano specific flags:"
@echo " PORT = ${PORT}"
@echo " BAUD = ${BAUD} (only used for programming)"
.PHONY: arch_clean arch_help monitor program
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