Subversion Repositories group.electronics

DEVICE=atmega168
F_CPU=20000000
HID_SIZE=44

AVRDUDE = avrdude -c avrispmkii -P usb -p $(DEVICE)
# The two lines above are for "avrdude" and the STK500 programmer connected
# to an USB to serial converter to a Mac running Mac OS X.
# Choose your favorite programmer and interface.

COMPILE = avr-gcc -Wall -Os -Iusbdrv -I. -mmcu=$(DEVICE) -DF_CPU=$(F_CPU) -DHID_SIZE=$(HID_SIZE) -DDEBUG_LEVEL=0
# NEVER compile the final product with debugging! Any debug output will
# distort timing so that the specs can't be met.

#OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o
OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o  main.o

# symbolic targets:
all:    main.hex

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

.S.o:
        $(COMPILE) -x assembler-with-cpp -c $< -o $@
# "-x assembler-with-cpp" should not be necessary since this is the default
# file type for the .S (with capital S) extension. However, upper case
# characters are not always preserved on Windows. To ensure WinAVR
# compatibility define the file type manually.

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

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


fuse:
        $(AVRDUDE) -U hfuse:w:0xdf:m -U lfuse:w:0xff:m

fusedef:
        $(AVRDUDE) -U hfuse:w:0xdf:m -U lfuse:w:0x62: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 4096 256
# 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