Subversion Repositories group.electronics

DEVICE=attiny85

F_CPU=16500000

HFUSE=0xdd

LFUSE=0xe1

HDUSE=0xdf	# Default fuses for device

LDUSE=0x62

PROGTYPE=avrispmkii

PROGPORT=usb

INCLUDES=-I. -I./lib/ -I./usbdrv/

VALUES=-DF_CPU=$(F_CPU)

AVRDUDE = avrdude -c $(PROGTYPE) -P $(PROGPORT) -p $(DEVICE)

#COMPILE = avr-gcc  -Wall -Os -DDEBUG_LEVEL=0  -mmcu=$(DEVICE) $(INCLUDES) $(VALUES)

# Use this one to rip out unused functions

COMPILE = avr-gcc -mtiny-stack  -Wall -Wl,-gc-section -fdata-sections -ffunction-sections -Os -DDEBUG_LEVEL=0  -mmcu=$(DEVICE) $(INCLUDES) $(VALUES)

OBJECTS = main.o

OBJECTS += lib/avrutil.o

OBJECTS += lib/i2cbb.o 

OBJECTS += usbdrv/usbdrv.o

OBJECTS += usbdrv/usbdrvasm.o

# Compiling:

all:	main.hex

.c.o:

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

.S.o:

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

.c.s:

	$(COMPILE) -S $< -o $@

main.bin:	$(OBJECTS)

	$(COMPILE) -o main.bin $(OBJECTS) -lm

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

clean:

	rm -f main.hex main.lst main.obj main.cof main.list main.map main.eep.hex main.bin *.o lib/*.o main.s

# Functions interfacing to the device

flash:	all

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

fuse:

	sudo $(AVRDUDE) -U hfuse:w:$(HFUSE):m -U lfuse:w:$(LFUSE):m

fusedef:

	sudo $(AVRDUDE) -U hfuse:w:$(HDUSE):m -U lfuse:w:$(LDUSE):m

readcal:

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

readfuse:

	sudo $(AVRDUDE) -U lfuse:r:-:h -U hfuse:r:-:h -U efuse:r:-:h

$(CMDLINE): usbtest.c

	gcc -I ./libusb/include -L ./libusb/lib/gcc -O -Wall usbtest.c -o usbtest -lusb