# Name: Makefile
# Project: PowerSwitch
# Author: Christian Starkjohann
# Creation Date: 2004-12-29
# Tabsize: 4
# Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH
# License: GNU GPL v2 (see License.txt) or proprietary (CommercialLicense.txt)
# This Revision: $Id: Makefile 277 2007-03-20 10:53:33Z cs $

DEVICE = atmega8
AVRDUDE = /usr/bin/avrdude -c avrispmkII -P usb -p $(DEVICE)
# Choose your favorite programmer and interface above.

COMPILE = avr-gcc -Wall -Os  -I. -mmcu=$(DEVICE) #-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 = main.o uart.o printf.o

# symbolic targets:
all:	main.hex

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

.S.o:
	$(COMPILE) -x assembler-with-cpp -c $< -o $@
# "-x assembler-with-cpp" should not be necessary since this is the default
# file type for the .S (with capital S) extension. However, upper case
# characters are not always preserved on Windows. To ensure WinAVR
# compatibility define the file type manually.

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

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


fusy_write: 
	$(AVRDUDE) -U hfuse:w:0xd9:m -U lfuse:w:0x9f:m
#bylot :
#lfuse : 0xee => 0xef
#hfuse : 0xd9
#ma byc	$(UISP) --wr_fuse_h=0xc9 --wr_fuse_l=0x9f
#
# Fuse high byte:
# 0xc9 = 1 1 0 0   1 0 0 1 <-- BOOTRST (boot reset vector at 0x0000)
#        ^ ^ ^ ^   ^ ^ ^------ BOOTSZ0
#        | | | |   | +-------- BOOTSZ1
#        | | | |   + --------- EESAVE (don't preserve EEPROM over chip erase)
#        | | | +-------------- CKOPT (full output swing)
#        | | +---------------- SPIEN (allow serial programming)
#        | +------------------ WDTON (WDT not always on)
#        +-------------------- RSTDISBL (reset pin is enabled)
# Fuse low byte:
# 0x9f = 1 0 0 1   1 1 1 1
#        ^ ^ \ /   \--+--/
#        | |  |       +------- CKSEL 3..0 (external >8M crystal)
#        | |  +--------------- SUT 1..0 (crystal osc, BOD enabled)
#        | +------------------ BODEN (BrownOut Detector enabled)
#        +-------------------- BODLEVEL (2.7V)

fusy_read: 
	$(AVRDUDE) -U lfuse:r:lfuse:r
	$(AVRDUDE) -U hfuse:r:hfuse:r
	echo "lfuse :"
	hexdump lfuse              
	echo "hfuse :"
	hexdump hfuse 


clean:
	rm -f main.hex main.lst main.obj main.cof main.list main.map main.eep.hex main.bin *.o  main.s 

# 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 -d main.bin
# do the checksize script as our last action to allow successful compilation
# on Windows with WinAVR where the Unix commands will fail.

disasm:	main.bin
	avr-objdump -d main.bin

cpp:
	$(COMPILE) -E main.c
