makefile for avr project

gistfile1.mak

MCU  ?= attiny2313
PROJ = test
TARGET = $(PROJ).hex # $(PROJ).bin
INC  =
LIBS =

include ../000_common/make.rules

make.rules

INC += -I../000_common

CFLAGS = -I/usr/cross/avr/include -mmcu=$(MCU) -Os \
		 -fpack-struct -fshort-enums \
		 -funsigned-bitfields -funsigned-char \
		 -Wall -Wstrict-prototypes \
		 -Wa,-ahlms=$(firstword $(filter %.lst, $(<:.c=.lst)))

LDFLAGS = -Wl,-Map,$(PROJ).map,--cref -mmcu=$(MCU) -nostdlib $(LIBS) # -lm

#ASMFLAGS =-I. $(INC) -mmcu=$(MCU)        \
#		  -x assembler-with-cpp            \
#		  -Wa,-gstabs,-ahlms=$(firstword $(<:.S=.lst) $(<.asm=.lst))

ASMFLAGS +=-I. $(INC) -mmcu=$(MCU)        \
		  -x assembler-with-cpp            \
		  -Wa,-I../000_common,-ahlms=$(firstword $(<:.S=.lst) $(<.asm=.lst))

# avr-objdump -h -S -D --stabs --disassemble-zeroes xxx.elf > xxx.lst


CC      = avr-gcc
AS      = avr-as
LD      = avr-ld
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE    = avr-size
AVRDUDE = avrdude.delay

ISP = $(AVRDUDE) -c avrisp -p $(MCU) -b 19200 -P /dev/ttyUSB0 -e


.SUFFIXES:
.SUFFIXES: .c .o .elf .hex .bin .S .asm

.c.o:
	@echo $^' -> '$@
	@echo 'generate listing...'
	@$(CC) -c $(CFLAGS) -o $@ $^

.S.o:
	@echo $^' -> '$@
	@$(CC) -c $(ASMFLAGS) -o $@ $^

.asm.S:
	@echo $^' -> '$@
	@cp $^ $@
#	@$(CC) -c $(ASMFLAGS) -o $@ $^

.o.elf:
	@echo $^' -> '$@
	@echo 'generate map file...'
	@$(CC) $(LDFLAGS) -o $@ $^
	@$(OBJDUMP) -h -S -D --stabs --disassemble-zeroes $@ > $@.lst
	@$(SIZE) $@


.elf.hex:
	@echo $^' -> '$@
	@$(OBJCOPY) -j .text -j .data -O ihex $^ $@

.elf.bin:
	@echo $^' -> '$@
	@$(OBJCOPY) -j .text -j .data -O binary $^ $@


.PHONY:
.PHONY: all clean isp

all: $(TARGET)

isp: $(PROJ).hex
	$(ISP) -U flash:w:$^

clean:
	@echo "clean..."
	@rm -f *.o *.hex *.bin *.map *.elf *.lst


# vim: ft=make