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# vim:ft=make
MCU = atmega328p
PORT = /dev/ttyUSB0
BAUD = 57600
cpu_freq ?= 16000000
COMMON_FLAGS += -Werror=overflow
COMMON_FLAGS += -mmcu=${MCU} -DMULTIPASS_ARCH_arduino_nano
COMMON_FLAGS += -flto
COMMON_FLAGS += -DMULTIPASS_ARCH_HAS_I2C
CC = avr-gcc
CXX = avr-g++
NM = avr-nm
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
ifeq (${aspectc}, 1)
CXX = ag++ -r build/repo.acp -v 0 --c_compiler avr-g++ -p . --Xcompiler
endif
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
ifneq ($(findstring softi2c,${drivers}), )
else ifneq ($(findstring i2c,${arch_drivers}), )
TARGETS += src/arch/arduino-nano/driver/i2c.cc
endif
ifneq ($(findstring stdin,${arch_drivers}), )
TARGETS += src/arch/arduino-nano/driver/stdin.cc
endif
ifneq ($(findstring timer,${arch_drivers}), )
TARGETS += src/arch/arduino-nano/driver/timer.cc
endif
ifneq (${cpu_freq}, )
COMMON_FLAGS += -DF_CPU=${cpu_freq}UL
else
COMMON_FLAGS += -DF_CPU=16000000UL
endif
OBJECTS = ${TARGETS:.cc=.o}
.cc.o:
${QUIET}${CXX} ${INCLUDES} ${COMMON_FLAGS} ${CXXFLAGS} -c -o $@ ${@:.o=.cc}
build/system.elf: ${OBJECTS}
${QUIET}${CXX} ${COMMON_FLAGS} ${CXXFLAGS} -Wl,--gc-sections -o $@ ${OBJECTS}
${QUIET}avr-size --format=avr --mcu=${MCU} $@
build/system.hex: build/system.elf
${QUIET}${OBJCOPY} -O ihex ${@:.hex=.elf} $@
program: build/system.hex
${QUIET}avrdude -p ${MCU} -c arduino -P ${PORT} -b ${BAUD} -U flash:w:build/system.hex
arch_clean:
${QUIET}rm -f ${OBJECTS} build/system.hex
monitor:
${QUIET}screen ${PORT} 19200
arch_help:
@echo "arduino-nano specific flags:"
@echo " PORT = ${PORT}"
@echo " BAUD = ${BAUD} (only used for programming)"
arch_info:
@echo "CPU Freq: ${cpu_freq} Hz"
@echo "Timer Freq: ${timer_freq} Hz"
@echo "I2C Freq: ${i2c_freq} Hz"
.PHONY: arch_clean arch_help arch_info monitor program
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