A small USV for ALIX boards with i2c support
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48 lines
1.0 KiB

PRG = alix-usv
OBJ = alix-usv.o eeprom.o usi-i2c-slave.o
MCU_TARGET = attiny84
OPTIMIZE = -Os
DEFS =
LIBS =
# Override is only needed by avr-lib build system.
override CFLAGS = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) $(DEFS)
override LDFLAGS = -Wl,-Map,$(PRG).map
CC = avr-gcc
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE = avr-size
all: $(PRG).elf lst text
$(SIZE) -x -A $(PRG).elf
$(PRG).elf: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
clean:
rm -rf *.o *.lst *.map $(PRG).elf *.hex *.bin
lst: $(PRG).lst
%.lst: %.elf
$(OBJDUMP) -h -S $< > $@
text: hex bin
hex: $(PRG).hex
bin: $(PRG).bin
%.hex: %.elf
$(OBJCOPY) -j .text -j .data -O ihex $< $@
%.bin: %.elf
$(OBJCOPY) -j .text -j .data -O binary $< $@
install: text
avrdude -c dragon_isp -P usb -p t84 -U flash:w:$(PRG).hex
# no self programming, 2.7V BOD, 8MHz internal RC Osz.
fuses:
avrdude -c dragon_isp -P usb -p t84 -U lfuse:w:0xc2:m -U hfuse:w:0xdd:m -U efuse:w:0xff:m