# ======================================================================
# Common Makefile for USBtiny applications
#
# Macros to be defined before including this file:
#
# USBTINY       - the location of this directory
# TARGET_ARCH   - gcc -mmcu= option with AVR device type
# OBJECTS       - the objects in addition to the USBtiny objects
# FLASH_CMD     - command to upload main.hex to flash
# STACK         - maximum stack size (optional)
# FLASH         - flash size (optional)
# SRAM          - SRAM size (optional)
# SCHEM         - Postscript version of the schematic to be generated
#
# Copyright (C) 2006 Dick Streefland
#
# This is free software, licensed under the terms of the GNU General
# Public License as published by the Free Software Foundation.
# ======================================================================

CC      = avr-gcc
CFLAGS  = -Os -g -Wall -I. -I$(USBTINY)
ASFLAGS = -Os -g -Wall -I.
LDFLAGS = -g
MODULES = crc.o int.o usb.o $(OBJECTS)
UTIL    = $(USBTINY)/../util

main.hex:

all:            main.hex $(SCHEM)

clean:
        rm -f main.elf *.o tags *.sch~ gschem.log

clobber:        clean
        rm -f main.hex $(SCHEM)

main.elf:       $(MODULES)
        $(LINK.o) -o $@ $(MODULES)

main.hex:       main.elf $(UTIL)/check.py
        @python $(UTIL)/check.py main.elf $(STACK) $(FLASH) $(SRAM)
        avr-objcopy -j .text -j .data -O ihex main.elf main.hex

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

flash:          main.hex
        $(FLASH_CMD)

crc.o:          $(USBTINY)/crc.S $(USBTINY)/def.h usbtiny.h
        $(COMPILE.c) $(USBTINY)/crc.S
int.o:          $(USBTINY)/int.S $(USBTINY)/def.h usbtiny.h
        $(COMPILE.c) $(USBTINY)/int.S
usb.o:          $(USBTINY)/usb.c $(USBTINY)/def.h $(USBTINY)/usb.h usbtiny.h
        $(COMPILE.c) $(USBTINY)/usb.c

main.o:         $(USBTINY)/usb.h

%.ps:           %.sch $(UTIL)/sch2ps
        $(UTIL)/sch2ps $<