all : gpio.hex
OBJS:=gpio.o gpio_example.o trampoline.o
HEX:=gpio.hex
ELF:=gpio.elf


PART:=uc3b1256
LDFLAGS:=-march=ucr2 -mpart=$(PART) -Os -ffunction-sections -fdata-sections  -T./link_at32uc3b-isp.lds -Wl,--gc-sections
CFLAGS:=-march=ucr2 -mpart=$(PART) -Wall -D BOARD=EVK1100 -DFOSC0=12000000 -D ISP_OSC=0 -g -Os -ffunction-sections -fdata-sections -IHeader
CC:=avr32-gcc
ASFLAGS:=$(CFLAGS)
DFU:=sudo dfu-programmer at32$(PART)

gpio.elf : $(OBJS)
	avr32-gcc $(LDFLAGS) $^ -o $@


%.hex: %.elf
	avr32-objcopy -O ihex $^ $@

program : $(HEX)
	$(DFU) flash --suppress-bootloader-mem $^

erase :
	$(DFU) erase

start : erase program
	$(DFU) start

clean :
	rm -rf $(OBJS) $(ELF) $(HEX) *~