msaynevirta / GPS tracker - Files

Makefile
PORT=usb
PROGRAMMER=usbasp
MCU=atmega32u4
CLK=16000000
CFLAGS=-g -Wall -mcall-prologues -DF_CPU=$(CLK) -mmcu=$(MCU) -Os
LDFLAGS=-Wl,-gc-sections -Wl,-relax
CC=avr-gcc
TARGET=main
OBJECT_FILES=main.o

all: $(TARGET).hex

clean:
	rm -f *.o *.hex *.obj *.hex

%.hex: %.obj
	avr-objcopy -R .eeprom -O ihex $< $@

%.obj: $(OBJECT_FILES)
	$(CC) $(CFLAGS) $(OBJECT_FILES) $(LDFLAGS) -o $@

# set L fuse as 0xd0 to switch to full 16 MHz operation
# set H fuse as 0xd9 to disable JTAG (0x99 to enable)

L_FUSE=0xd0
H_FUSE=0xd9

program: $(TARGET).hex 
	avrdude -p $(MCU) -c $(PROGRAMMER) -P $(PORT) -U lfuse:w:$(L_FUSE):m -U hfuse:w:$(H_FUSE):m -U flash:w:$(TARGET).hex