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

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
        
usbtest: usbtest.c
        gcc -o usbtest usbtest.c -lusb -lncurses