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# Makefile for ATmegaBOOT
# E.Lins, 18.7.2005
# $Id$
#
# Instructions
#
# To make bootloader .hex file:
# make diecimila
# make lilypad
# make ng
# etc...
#
# To burn bootloader .hex file:
# make diecimila_isp
# make lilypad_isp
# make ng_isp
# etc...
# program name should not be changed...
PROGRAM = optiboot
# The default behavior is to build using tools that are in the users
# current path variables, but we can also build using an installed
# Arduino user IDE setup, or the Arduino source tree.
# Uncomment this next lines to build within the arduino environment,
# using the arduino-included avrgcc toolset (mac and pc)
# ENV ?= arduino
# ENV ?= arduinodev
# OS ?= macosx
# OS ?= windows
# enter the parameters for the avrdude isp tool
ISPTOOL = avrisp
ISPPORT = /dev/ttyUSB0
ISPSPEED = -b 19200
MCU_TARGET = atmega168
LDSECTIONS = -Wl,--section-start=.text=0x3e00 -Wl,--section-start=.version=0x3ffe
# Build environments
# Start of some ugly makefile-isms to allow optiboot to be built
# in several different environments. See the README.TXT file for
# details.
# default
fixpath = $(1)
# the efuse should really be 0xf8; since, however, only the lower
# three bits of that byte are used on the atmega168, avrdude gets
# confused if you specify 1's for the higher bits, see:
# http://tinker.it/now/2007/02/24/the-tale-of-avrdude-atmega168-and-extended-bits-fuses/
#
# similarly, the lock bits should be 0xff instead of 0x3f (to
# unlock the bootloader section) and 0xcf instead of 0x2f (to
# lock it), but since the high two bits of the lock byte are
# unused, avrdude would get confused.
ISPFUSES = $(AVRDUDE_ROOT)avrdude $(AVRDUDE_CONF) -c $(ISPTOOL) \
-p $(MCU_TARGET) -P $(ISPPORT) $(ISPSPEED) \
-e -u -U lock:w:0x3f:m -U efuse:w:0x$(EFUSE):m \
-U hfuse:w:0x$(HFUSE):m -U lfuse:w:0x$(LFUSE):m
ISPFLASH = $(AVRDUDE_ROOT)avrdude $(AVRDUDE_CONF) -c $(ISPTOOL) \
-p $(MCU_TARGET) -P $(ISPPORT) $(ISPSPEED) -V \
-U flash:w:$(PROGRAM)_$(TARGET).hex -U lock:w:0x2f:m
STK500 = "C:\Program Files\Atmel\AVR Tools\STK500\Stk500.exe"
STK500-1 = $(STK500) -e -d$(MCU_TARGET) -pf -vf -if$(PROGRAM)_$(TARGET).hex \
-lFF -LFF -f$(HFUSE)$(LFUSE) -EF8 -ms -q -cUSB -I200kHz -s -wt
STK500-2 = $(STK500) -d$(MCU_TARGET) -ms -q -lCF -LCF -cUSB -I200kHz -s -wt
OBJ = $(PROGRAM).o
OPTIMIZE = -Os -fno-inline-small-functions -fno-split-wide-types
DEFS =
LIBS =
CC = $(GCCROOT)avr-gcc
# Override is only needed by avr-lib build system.
override CFLAGS = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) -DF_CPU=$(AVR_FREQ) $(DEFS)
override LDFLAGS = $(LDSECTIONS) -Wl,--relax -Wl,--gc-sections -nostartfiles -nostdlib
OBJCOPY = $(GCCROOT)avr-objcopy
OBJDUMP = $(call fixpath,$(GCCROOT)avr-objdump)
SIZE = $(GCCROOT)avr-size
atmega1284: TARGET = atmega1284p
atmega1284: MCU_TARGET = atmega1284p
atmega1284: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=115200' '-DBIGBOOT'
atmega1284: AVR_FREQ = 16000000L
atmega1284: LDSECTIONS = -Wl,--section-start=.text=0x1fc00
atmega1284: $(PROGRAM)_atmega1284p.hex
atmega1284: $(PROGRAM)_atmega1284p.lst
atmega1284_isp: atmega1284
atmega1284_isp: TARGET = atmega1284p
atmega1284_isp: MCU_TARGET = atmega1284p
# 1024 byte boot
atmega1284_isp: HFUSE = DE
# Low power xtal (16MHz) 16KCK/14CK+65ms
atmega1284_isp: LFUSE = FF
# 2.7V brownout
atmega1284_isp: EFUSE = FD
atmega1284_isp: isp
atmega1284_slow: TARGET = atmega1284p_slow
atmega1284_slow: MCU_TARGET = atmega1284p
atmega1284_slow: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=19200' '-DBIGBOOT'
atmega1284_slow: AVR_FREQ = 16000000L
atmega1284_slow: LDSECTIONS = -Wl,--section-start=.text=0x1fc00
atmega1284_slow: $(PROGRAM)_atmega1284p_slow.hex
atmega1284_slow: $(PROGRAM)_atmega1284p_slow.lst
atmega1284_slow_isp: atmega1284_slow
atmega1284_slow_isp: TARGET = atmega1284p_slow
atmega1284_slow_isp: MCU_TARGET = atmega1284p
# 1024 byte boot
atmega1284_slow_isp: HFUSE = DE
# Low power xtal (16MHz) 16KCK/14CK+65ms
atmega1284_slow_isp: LFUSE = FF
# 2.7V brownout
atmega1284_slow_isp: EFUSE = FD
atmega1284_slow_isp: isp
#
# Generic build instructions
#
#
isp: $(TARGET)
$(ISPFUSES)
$(ISPFLASH)
isp-stk500: $(PROGRAM)_$(TARGET).hex
$(STK500-1)
$(STK500-2)
%.elf: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
$(SIZE) $@
clean:
rm -rf *.o *.elf *.lst *.map *.sym *.lss *.eep *.srec *.bin *.hex
%.lst: %.elf
$(OBJDUMP) -h -S $< > $@
%.hex: %.elf
$(OBJCOPY) -j .text -j .data -j .version --set-section-flags .version=alloc,load -O ihex $< $@
%.srec: %.elf
$(OBJCOPY) -j .text -j .data -j .version --set-section-flags .version=alloc,load -O srec $< $@
%.bin: %.elf
$(OBJCOPY) -j .text -j .data -j .version --set-section-flags .version=alloc,load -O binary $< $@
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