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#
# Copyright (C) 2010 Andreas Auras
#
# This file is part of the DF10CH Atmolight controller project.
#
# DF10CH Atmolight controller is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# DF10CH Atmolight controller is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
#
#
###############################################################################
# Makefile for the bootloader firmware of PWM processor
###############################################################################
## General Flags
PROJECT = df10ch_pwm_boot
MCU = atmega162
TARGET = df10ch_pwm_boot.elf
CC = avr-gcc
AVRDUDE ?= avrdude -c stk500v2 -P avrdoper
F_CPU ?= 16000000UL
FIRMWARE_VERSION ?= 1
## Options common to compile, link and assembly rules
COMMON = -mmcu=$(MCU)
## Compile options common for all C compilation units.
CFLAGS = $(COMMON)
CFLAGS += -Wall -gdwarf-2 -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
CFLAGS += -DF_CPU=$(F_CPU) -DFIRMWARE_VERSION=$(FIRMWARE_VERSION)
## Assembly specific flags
ASMFLAGS = $(COMMON)
ASMFLAGS += $(CFLAGS)
ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2
## Linker flags
LDFLAGS = $(COMMON)
LDFLAGS += -Wl,-Map=df10ch_pwm_boot.map
LDFLAGS += -Wl,-section-start=.text=0x3800
## Intel Hex file production flags
HEX_FLASH_FLAGS = -R .eeprom -R .fuse -R .lock -R .signature
HEX_EEPROM_FLAGS = -j .eeprom
HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load"
## Include Directories
INCLUDES = -I. -I..
## Objects that must be built in order to link
OBJECTS = df10ch_pwm_boot.o
## Objects explicitly added by the user
LINKONLYOBJECTS =
## Build
all: $(TARGET) df10ch_pwm_boot.hex df10ch_pwm_boot.lss size
prog: flash
$(AVRDUDE) -p $(MCU) -u -Ulfuse:w:0xc0:m -Uhfuse:w:0xc8:m -Uefuse:w:0xf9:m -Ulock:w:0xef:m
flash: df10ch_pwm_boot.hex
$(AVRDUDE) -p $(MCU) -Uflash:w:df10ch_pwm_boot.hex:i
## Compile
df10ch_pwm_boot.o: df10ch_pwm_boot.c ../df10ch_usb_proto.h ../df10ch_common.h
$(CC) $(INCLUDES) $(CFLAGS) -c $<
##Link
$(TARGET): $(OBJECTS)
$(CC) $(LDFLAGS) $(OBJECTS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) -o $(TARGET)
%.hex: $(TARGET)
avr-objcopy -O ihex $(HEX_FLASH_FLAGS) $< $@
%.eep: $(TARGET)
-avr-objcopy $(HEX_EEPROM_FLAGS) -O ihex $< $@ || exit 0
%.lss: $(TARGET)
avr-objdump -h -S $< > $@
size: ${TARGET}
@echo
@avr-size -C --mcu=${MCU} ${TARGET}
## Clean target
.PHONY: clean
clean:
-rm -rf $(OBJECTS) df10ch_pwm_boot.elf df10ch_pwm_boot.hex df10ch_pwm_boot.eep df10ch_pwm_boot.lss df10ch_pwm_boot.map
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