# Name: Makefile
# Project: hid-custom-rq example
# Author: Christian Starkjohann
# Creation Date: 2008-04-07
# Tabsize: 4
# Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
# License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
# This Revision: $Id: Makefile 692 2008-11-07 15:07:40Z cs $

DEVICE  = attiny85 #attiny45
F_CPU   = 16500000
FUSE_L  = 0xe1# 1110.0001
FUSE_H  = 0x9d# 1001.1101
#AVRDUDE = avrdude -c avr910 -P /dev/ttyUSB0 -p $(DEVICE) # edit this line for your programmer
AVRDUDE_ISP = avrdude -c jtag2isp -P usb -p $(DEVICE) # edit this line for your programmer
AVRDUDE_DW  = avrdude -c jtag2dw  -P usb -p $(DEVICE) # edit this line for your programmer

CFLAGS  = -Iusbdrv -I. -DDEBUG_LEVEL=0
OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o \
          percnt2.o sha1-asm.o hmac-sha1.o hotp.o special_functions.o

COMPILE = avr-gcc -Wall -Os -DF_CPU=$(F_CPU) $(CFLAGS) -mmcu=$(DEVICE)
COMPILEPP = avr-g++ -Wall -Os -DF_CPU=$(F_CPU) $(CFLAGS) -mmcu=$(DEVICE)

# symbolic targets:
help:
	@echo "This Makefile has no default rule. Use one of the following:"
	@echo "make hex ....... to build main.hex"
	@echo "make program ... to flash fuses and firmware"
	@echo "make fuse ...... to flash the fuses"
	@echo "make flash ..... to flash the firmware (use this on metaboard)"
	@echo "make clean ..... to delete objects and hex file"

hex: main.hex

program: flash

xprog_i: flash_isp fuse
xprog_d: fuse flash_dw

# rule for programming fuse bits:
fuse:
	@[ "$(FUSE_H)" != "" -a "$(FUSE_L)" != "" ] || \
		{ echo "*** Edit Makefile and choose values for FUSE_L and FUSE_H!"; exit 1; }
	$(AVRDUDE_ISP) -U hfuse:w:$(FUSE_H):m -U lfuse:w:$(FUSE_L):m

# rule for uploading firmware:
flash_isp: main.hex
	$(AVRDUDE_ISP) -U flash:w:main.hex:i

flash_dw: main.hex
	$(AVRDUDE_DW) -U flash:w:main.hex:i


# rule for deleting dependent files (those which can be built by Make):
clean:
	rm -f main.hex main.lst main.obj main.cof main.list main.map main.eep.hex main.elf *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s

.cpp.o:
	$(COMPILEPP) -c $< -o $@


# Generic rule for compiling C files:
.c.o:
	$(COMPILE) -c $< -o $@

# Generic rule for assembling Assembler source files:
.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.

# Generic rule for compiling C to assembler, used for debugging only.
.c.s:
	$(COMPILE) -S $< -o $@

# file targets:

# Since we don't want to ship the driver multipe times, we copy it into this project:
usbdrv:
	cp -r ../../../usbdrv .

main.elf: usbdrv $(OBJECTS)	# usbdrv dependency only needed because we copy it
	$(COMPILE) -o main.elf $(OBJECTS)

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

# debugging targets:

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

cpp:
	$(COMPILE) -E main.cpp