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#---------------------------------------------------------------------------------------------
#--     REFERENCE GENERATOR - Makefile
#--
#-- Part of the Synkie Project: www.synkie.net
#--
#-- © 2014 Max Egger, Licensed under GNU GPLv3
#--
#--------------------------------------------------------------------------------------------


#------------------------- ATMEGA 88, external 17.734475 MHz Quartz (Subcarrier * 4)
DEVICE                  = atmega88
F_CPU                   = 17734475

PROGRAMMER      = -c usbasp -P usb
AVRDUDE         = avrdude $(PROGRAMMER) -p $(DEVICE)
# Choose your favorite programmer and interface above.
FUSEOPT = -U lfuse:w:0xcf:m -U hfuse:w:0xdd:m -U efuse:w:0xff:m



COMPILE = avr-gcc -Wall -Os -I.  -mmcu=$(DEVICE) -DF_CPU=$(F_CPU)#-DDEBUG_LEVEL=2
# NEVER compile the final product with debugging! Any debug output will
# distort timing so that the specs can't be met.

OBJECTS = build/main.o


# symbolic targets:
all:    build/main.hex


build: 
        mkdir build


build/%.o: %.S build
        $(COMPILE) -c $< -o $@

build/%.o: %.c build
        $(COMPILE) -c $< -o $@

flash:  all
        $(AVRDUDE)  -U flash:w:build/main.hex:i

clean:
        rm -rf build

# file targets:
build/main.bin: $(OBJECTS)
        $(COMPILE) -o $@ $(OBJECTS)

build/main.hex: build/main.bin
        rm -f $@ build/main.eep.hex
        avr-objcopy -j .text -j .data -O ihex $< $@
        avr-size $@
disasm: build/main.bin
        avr-objdump -d build/main.bin > build/main_disasm.lst

cpp:
        $(COMPILE) -E main.c

fuse:
        $(AVRDUDE) $(FUSEOPT)