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DEVICE=atmega168
DEV_CODE=16384
DEV_DATA=1024
F_CPU=20000000
HID_SIZE=81
H_FUSE=0xdf
L_FUSE=0xff

HD_FUSE=0xdf
LD_FUSE=0x62

AVRDUDE = avrdude -c avrispmkii -P usb -p $(DEVICE)

COMPILE = avr-gcc -Wall -Os -Iusbdrv -I. -mmcu=$(DEVICE) -DF_CPU=$(F_CPU) -DHID_SIZE=$(HID_SIZE) -DDEBUG_LEVEL=0

OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o main.o twi.o wire.o util.o lcd.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
        $(AVRDUDE) -U flash:w:main.hex:i


fuse:
        $(AVRDUDE) -U hfuse:w:$(H_FUSE):m -U lfuse:w:$(L_FUSE):m

fusedef:
        $(AVRDUDE) -U hfuse:w:$(HD_FUSE):m -U lfuse:w:$(LD_FUSE):m

readcal:
        $(AVRDUDE) -U calibration:r:/dev/stdout:i | head -1


clean:
        rm -f main.hex main.lst main.obj main.cof main.list main.map main.eep.hex main.bin *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s usbtest

# 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
        ./checksize main.bin $(DEV_CODE) $(DEV_DATA)
# 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

# Command-line client
CMDLINE = usbtest

# One-liner to compile the command-line client from usbtest.c
$(CMDLINE): usbtest.c
        gcc -I ./libusb/include -L ./libusb/lib/gcc -O -Wall usbtest.c -o usbtest -lusb