#
#	GNU like make rule
#

CC = avr-gcc
#compiler flags
CFLAGS = -g -Os -mcall-prologues -Wall -Wstrict-prototypes -Wa,-ahlms=$(<:.c=.lst) -I.
#assembler flags
ASFLAGS = -gstabs
#linker flags
LDFLAGS = -Wl,-Map=$(TARG).map,--cref

OBJCOPY = avr-objcopy

#target mcu type
MCU = attiny13

#target name and files
TARG = cougar-fm

SRCS = $(TARG).c
OBJS = $(TARG).o

#
#	make rule
#

all: $(TARG).hex

$(TARG).hex: $(TARG).elf
	$(OBJCOPY) -O ihex $(TARG).elf $(TARG).hex
	chmod -x $(TARG).elf
	avr-size $(TARG).hex

$(TARG).elf: $(OBJS)
	$(CC) $(LDFLAGS) -mmcu=$(MCU) $(OBJS) -o $(TARG).elf

.c.o:
	$(CC) -c -mmcu=$(MCU) $(CFLAGS) $<

#
#	dependency
#

$(TARG).o: $(TARG).c

#
#	clean
#
clean:
	rm -f *.o *.lst *.map *.elf *.hex