#
# Twitch/penta setup.
#
# HW setup: atmega168 on internal oscillator.
#

PROGRAMMER = avrispmkII
PORT = usb

UISP = avrdude -c $(PROGRAMMER) -P $(PORT) -p m168 -F

COMPILE = avr-gcc -Wall -Os -Iusbdrv -I. -mmcu=atmega168 #-DDEBUG_LEVEL=1

OBJECTS = main.o

# symbolic targets:
all:	main.hex

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

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

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

flash:	all
	$(UISP) -U flash:w:main.hex -v

# Set to 12MHz external clock
# High: 1101 1111 0xdf
#  Low: 1110 0010 0xef    SUT 10 CKSEL 0010
fuses168:
	$(UISP) -U lfuse:w:0xef:m
	$(UISP) -U hfuse:w:0xdf:m 

clean:
	rm -f main.bin main.hex main.eep.hex $(OBJECTS)

# file targets:
main.bin:	$(OBJECTS)
	$(COMPILE) -o main.bin $(OBJECTS)

main.hex:	main.bin
	rm -f main.hex main.eep.hex
	avr-objcopy -j .text -j .data -O ihex main.bin main.hex

# do the checksize script as our last action to allow successful compilation
# on Windows with WinAVR where the Unix commands will fail.

disasm:	main.bin
	avr-objdump -d main.bin

cpp:
	$(COMPILE) -E main.c
# DO NOT DELETE