# $Id: Makefile,v 1.1 2008/07/16 05:44:45 rschaten Exp $

# microcontroller settings
F_CPU = 1000000UL
MCU = atmega8

# usb programmer:
AVRDUDE = avrdude -p $(MCU) -c avrispv2 -P usb -B 10

COMPILE = avr-gcc -Wall -Os -std=c99 -I../common -I. -mmcu=$(MCU)  -DF_CPU=$(F_CPU) -Wa,-ahlms=$(<:.c=.lst) #-DDEBUG_LEVEL=2

OBJECTS = main.o twislave.o

TODAY=`date "+%y%m%d"`
DIR=`basename \`pwd\``
PACKETNAME=$(DIR)_$(TODAY)

all: usage

usage:
	@echo "Usage of this makefile:"
	@echo "make firmware   create firmware"
	@echo "make program    send firmware to the device"
	@echo "make fuses      set fuses of the device"
	@echo "make docs       create documentation"
	@echo "make tarball    packs a tarball for shipping"
	@echo "make clean      tidy the directory"
	@echo
	@echo "For further information, consult the documentation in Readme.txt."

# symbolic targets:
firmware: main.hex
	cp main.hex main_$(TODAY).hex

.c.o:
	$(COMPILE) -c $< -o $@

.c.s:
	$(COMPILE) -S $< -o $@

program: firmware
	$(AVRDUDE) -U flash:w:main.hex

fuses:
	$(AVRDUDE) -u -U hfuse:w:0x99:m -U lfuse:w:0xc1:m

clean:
	rm -f main.lst main.obj main.cof main.list main.map main.eep.hex main.bin *.o main.s *.lst main.hex
	rm -rf htmldoc latexdoc Readme.txt refman.pdf
	rm -f $(PACKETNAME).tar.gz

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

main.hex: main.bin
	rm -f main.hex main.eep.hex
	avr-objcopy -j .text -j .data -O ihex main.bin main.hex
	avr-size main.hex

# doc generation
docs: readme pdf
	@echo "documentation created"

readme: doxygen
	echo "This file is auto-generated from the content of <main.c>." > Readme.txt
	echo "You'll have more fun if you read the HTML-content in htmldoc or the PDF." >> Readme.txt
	echo >> Readme.txt
	lynx -dump htmldoc/main.html >> Readme.txt

pdf: doxygen
	make -C latexdoc
	mv latexdoc/refman.pdf .
	rm -rf latexdoc

doxygen:
	doxygen project.doxygen

circuitpdf:
	@echo "converting circuits to pdf"
	for i in circuit/*.ps; do ps2pdf -sPAPERSIZE=a4 $$i $$(echo $$i | sed -e "s/\.ps$$/.pdf/"); done

tarball: firmware circuitpdf clean docs
	@echo
	@echo
	@echo "I assume you updated the Changelog...? Press Enter to continue..."
	@read
	[ -e "main_$(TODAY).hex" ] || exit
	rm --force $(PACKETNAME).tar.gz;            \
	tar --directory=..                          \
	    --exclude=$(DIR)/Makefile               \
	    --exclude=CVS                           \
	    --exclude=*.ps                          \
	    --exclude=main.hex                      \
	    --create                                \
	    --gzip                                  \
	    --verbose                               \
	    --file ../$(PACKETNAME).tar.gz $(DIR)
	rm -f main_$(TODAY).hex