# Makefile

DEVICE     = attiny88
CLOCK      = 4000000
PROGRAMMER = -c buspirate -P /dev/ttyUSB0
OBJECTS    = reflow.o display.o font.o i2c.o menu.o spi.o therm.o timer.o config.o beep.o control.o fields.o profile.o
SRC        = $(OBJECTS:%.o=%.c)
#FUSES      = -U lfuse:w:0xEC:m -U hfuse:w:0xDF:m -U efuse:w:0xFF:m -U lock:w:0xFF:m
FUSES      = -U lfuse:w:0xEC:m -U hfuse:w:0xDF:m -U efuse:w:0x07:m

# For computing fuse byte values for other devices and options see
# the fuse bit calculator at http://www.engbedded.com/fusecalc/

#AVRDUDE = avrdude $(PROGRAMMER) -p $(DEVICE)
AVRDUDE = avrdude $(PROGRAMMER) -p $(DEVICE) -V
# Don't use -Werror in the link stage to avoid a compiler bug which is fixed in gcc 4.8.3
CFLAGS = -Werror
COMPILE = avr-gcc -std=c99 -Wall -Wl,-Map,$@.map -Os -g -DF_CPU=$(CLOCK) -mmcu=$(DEVICE) -mcall-prologues -flto -fuse-linker-plugin

# symbolic targets:
all:	reflow.hex

.c.o:
	$(COMPILE) $(CFLAGS) -c $< -o $@

.S.o:
	$(COMPILE) -x assembler-with-cpp -c $< -o $@

.c.s:
	$(COMPILE) $(CFLAGS) -S $< -o $@

flash:
	$(AVRDUDE) -U flash:w:reflow.hex:i

fuse:
	$(AVRDUDE) $(FUSES)

install: all flash fuse

# if you use a bootloader, change the command below appropriately:
load: all
	bootloadHID reflow.hex

clean:
	rm -f reflow.hex reflow.elf $(OBJECTS)

# file targets:
#reflow.elf: $(SRC)
#	$(COMPILE) $(LDFLAGS) -o reflow.elf $(SRC)

reflow.elf: $(OBJECTS)
	$(COMPILE) $(LDFLAGS) -o reflow.elf $(OBJECTS)

reflow.hex: reflow.elf
	rm -f reflow.hex
	avr-objcopy -j .text -j .data -O ihex reflow.elf reflow.hex
	avr-size --format=avr --mcu=$(DEVICE) reflow.elf
# If you have an EEPROM section, you must also create a hex file for the
# EEPROM and add it to the "flash" target.

# Targets for code debugging and analysis:
disasm:	reflow.elf
	avr-objdump -d reflow.elf

cpp:
	$(COMPILE) -E reflow.c