#-------- Makefile    20160922 --------#

PRG            = main
################ Target file name (without extension). ##############################################

SRC            = $(PRG).c 
################ List C source files here (with extension). #########################################

MCU_TARGET     = atmega328
################ MCU name ###########################    atmega8 atmega48 atmega88 atmega168 attiny2313

F_CPU          = 8000000
################ Processor frequency. 8000000etc #####################################################

OPTIMIZE       = -Os
######################################################################################################

# Display compiler version information.
#gccversion : 
#	@$(CC) --version

OBJ = $(SRC:%.c=%.o)
DEFS           = -DF_CPU=$(F_CPU)UL
LIBS           =

# You should not have to change anything below here.

CC             = avr-gcc

# Override is only needed by avr-lib build system.

override CFLAGS        = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) $(DEFS)
override LDFLAGS       = -Wl,-Map,$(PRG).map

OBJCOPY        = avr-objcopy
OBJDUMP        = avr-objdump

############## prog-sizeに必要
SIZE           = avr-size

############## size:prog-sizeに必要
all:   gccversion $(PRG).elf lst text eeprom  size 


# Display compiler version information.   ###############################################
gccversion : 
	@$(CC) --version


$(PRG).elf: $(OBJ)
	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)

clean:
	rm -rf *.o $(PRG).elf
	rm -rf *.lst *.map $(EXTRA_CLEAN_FILES)
#	rm -rf *.o $(PRG).elf *.eps *.png *.pdf *.bak
#	rm -rf *.lst *.map $(EXTRA_CLEAN_FILES)

lst:  $(PRG).lst

%.lst: %.elf
	$(OBJDUMP) -h -S $< > $@

# Rules for building the .text rom images

text: hex bin srec

hex:  $(PRG).hex
bin:  $(PRG).bin
srec: $(PRG).srec

%.hex: %.elf
	$(OBJCOPY) -j .text -j .data -O ihex $< $@

%.srec: %.elf
	$(OBJCOPY) -j .text -j .data -O srec $< $@

%.bin: %.elf
	$(OBJCOPY) -j .text -j .data -O binary $< $@
	
############## 次の２行:prog-sizeに必要
size: $(PRG).elf
	$(SIZE) -C --mcu=$(MCU_TARGET) $(PRG).elf

# Rules for building the .eeprom rom images

eeprom: ehex ebin esrec

ehex:  $(PRG)_eeprom.hex
ebin:  $(PRG)_eeprom.bin
esrec: $(PRG)_eeprom.srec

%_eeprom.hex: %.elf
	$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@

%_eeprom.srec: %.elf
	$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O srec $< $@

%_eeprom.bin: %.elf
	$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O binary $< $@

# Every thing below here is used by avr-libc's build system and can be ignored
# by the casual user.

JPEGFILES               = largedemo-setup.jpg largedemo-wiring.jpg \
                          largedemo-wiring2.jpg

JPEG2PNM                = jpegtopnm
PNM2EPS                 = pnmtops
JPEGRESOLUTION          = 180
EXTRA_CLEAN_FILES       = *.hex *.bin *.srec
#EXTRA_CLEAN_FILES       = *.hex *.bin *.srec *.eps

dox: ${JPEGFILES:.jpg=.eps}

%.eps: %.jpg
	$(JPEG2PNM) $< |\
	$(PNM2EPS) -noturn -dpi $(JPEGRESOLUTION) -equalpixels \
	> $@