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BootLoaders/OrangeMultiBoot/OrangeMultiBoot.hex Normal file
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BootLoaders/OrangeMultiBoot/Source/Makefile Normal file
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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 -b19200
#
# These are the parameters for a usb-based STK500v2 programmer.
# Exact type unknown. (historical Makefile values.)
ISPTOOL = stk500v2
ISPPORT = usb
ISPSPEED = -b 57600
#
#
# These are parameters for using an Arduino with the ArduinoISP sketch
# as the programmer. On a mac, for a particular Uno as programmer.
#ISPTOOL = stk500v1 -C /Applications/arduino/arduino-0022/hardware/tools/avr/etc/avrdude.conf
#ISPPORT = /dev/tty.usbmodemfd3141
#ISPSPEED = -b19200
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 = $(1)
ifeq ($(ENV), arduino)
# For Arduino, we assume that we're connected to the optiboot directory
# included with the arduino distribution, which means that the full set
# of avr-tools are "right up there" in standard places.
TOOLROOT = ../../../tools
GCCROOT = $(TOOLROOT)/avr/bin/
AVRDUDE_CONF = -C$(TOOLROOT)/avr/etc/avrdude.conf
ifeq ($(OS), windows)
# On windows, SOME of the tool paths will need to have backslashes instead
# of forward slashes (because they use windows cmd.exe for execution instead
# of a unix/mingw shell?) We also have to ensure that a consistent shell
# is used even if a unix shell is installed (ie as part of WINAVR)
fixpath = $(subst /,\,$1)
SHELL = cmd.exe
endif
else ifeq ($(ENV), arduinodev)
# Arduino IDE source code environment. Use the unpacked compilers created
# by the build (you'll need to do "ant build" first.)
ifeq ($(OS), macosx)
TOOLROOT = ../../../../build/macosx/work/Arduino.app/Contents/Resources/Java/hardware/tools
endif
ifeq ($(OS), windows)
TOOLROOT = ../../../../build/windows/work/hardware/tools
endif
GCCROOT = $(TOOLROOT)/avr/bin/
AVRDUDE_CONF = -C$(TOOLROOT)/avr/etc/avrdude.conf
else
GCCROOT =
AVRDUDE_CONF =
endif
#
# End of build environment code.
# 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 = $(GCCROOT)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 = $(GCCROOT)avrdude $(AVRDUDE_CONF) -c $(ISPTOOL) \
-p $(MCU_TARGET) -P $(ISPPORT) $(ISPSPEED) \
-U flash:w:$(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
# -mshort-calls
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
#Voice board test
# ATmega328
#
#atmega328: TARGET = atmega328p
#atmega328: MCU_TARGET = atmega328p
#atmega328: CFLAGS += '-DLED_START_FLASHES=0' '-DBAUD_RATE=38400'
#atmega328: AVR_FREQ = 12000000L
#atmega328: LDSECTIONS = -Wl,--section-start=.text=0x7e00 -Wl,--section-start=.version=0x7ffe
#atmega328: $(PROGRAM)_atmega328.hex
#atmega328: $(PROGRAM)_atmega328.lst
xmega32D4: TARGET = atxmega32d4
xmega32D4: MCU_TARGET = atxmega32d4
xmega32D4: CFLAGS += '-DLED_START_FLASHES=0' '-DBAUD_RATE=57600'
xmega32D4: AVR_FREQ = 32000000L
xmega32D4: LDSECTIONS = -Wl,--section-start=.text=0x8000
xmega32D4: $(PROGRAM)_xmega32d4.hex
xmega32D4: $(PROGRAM)_xmega32d4.lst
atmega328: TARGET = atmega328
atmega328: MCU_TARGET = atmega328p
atmega328: CFLAGS += '-DLED_START_FLASHES=0' '-DBAUD_RATE=57600'
atmega328: AVR_FREQ = 16000000L
atmega328: LDSECTIONS = -Wl,--section-start=.text=0x7e00 -Wl,--section-start=.version=0x7ffe
atmega328: $(PROGRAM)_atmega328_16.hex
atmega328: $(PROGRAM)_atmega328_16.lst
# Test platforms
# Virtual boot block test
virboot328: TARGET = atmega328
virboot328: MCU_TARGET = atmega328p
virboot328: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=38400' '-DVIRTUAL_BOOT'
virboot328: AVR_FREQ = 16000000L
virboot328: LDSECTIONS = -Wl,--section-start=.text=0x7e00 -Wl,--section-start=.version=0x7ffe
virboot328: $(PROGRAM)_atmega328.hex
virboot328: $(PROGRAM)_atmega328.lst
# 20MHz clocked platforms
#
# These are capable of 230400 baud, or 38400 baud on PC (Arduino Avrdude issue)
#
pro20: TARGET = pro_20mhz
pro20: MCU_TARGET = atmega168
pro20: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=38400'
pro20: AVR_FREQ = 20000000L
pro20: $(PROGRAM)_pro_20mhz.hex
pro20: $(PROGRAM)_pro_20mhz.lst
pro20_isp: pro20
pro20_isp: TARGET = pro_20mhz
# 2.7V brownout
pro20_isp: HFUSE = DD
# Full swing xtal (20MHz) 258CK/14CK+4.1ms
pro20_isp: LFUSE = C6
# 512 byte boot
pro20_isp: EFUSE = 04
pro20_isp: isp
# 16MHz clocked platforms
#
# These are capable of 230400 baud, or 38400 baud on PC (Arduino Avrdude issue)
#
pro16: TARGET = pro_16MHz
pro16: MCU_TARGET = atmega168
pro16: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=38400'
pro16: AVR_FREQ = 16000000L
pro16: $(PROGRAM)_pro_16MHz.hex
pro16: $(PROGRAM)_pro_16MHz.lst
pro16_isp: pro16
pro16_isp: TARGET = pro_16MHz
# 2.7V brownout
pro16_isp: HFUSE = DD
# Full swing xtal (20MHz) 258CK/14CK+4.1ms
pro16_isp: LFUSE = C6
# 512 byte boot
pro16_isp: EFUSE = 04
pro16_isp: isp
# Diecimila, Duemilanove with m168, and NG use identical bootloaders
# Call it "atmega168" for generality and clarity, keep "diecimila" for
# backward compatibility of makefile
#
atmega168: TARGET = atmega168
atmega168: MCU_TARGET = atmega168
atmega168: CFLAGS += '-DLED_START_FLASHES=0' '-DBAUD_RATE=38400'
atmega168: AVR_FREQ = 12000000L
atmega168: $(PROGRAM)_atmega168.hex
atmega168: $(PROGRAM)_atmega168.lst
atmega168_isp: atmega168
atmega168_isp: TARGET = atmega168
# 2.7V brownout
atmega168_isp: HFUSE = DD
# Low power xtal (16MHz) 16KCK/14CK+65ms
atmega168_isp: LFUSE = FF
# 512 byte boot
atmega168_isp: EFUSE = 04
atmega168_isp: isp
diecimila: TARGET = diecimila
diecimila: MCU_TARGET = atmega168
diecimila: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=38400'
diecimila: AVR_FREQ = 16000000L
diecimila: $(PROGRAM)_diecimila.hex
diecimila: $(PROGRAM)_diecimila.lst
diecimila_isp: diecimila
diecimila_isp: TARGET = diecimila
# 2.7V brownout
diecimila_isp: HFUSE = DD
# Low power xtal (16MHz) 16KCK/14CK+65ms
diecimila_isp: LFUSE = FF
# 512 byte boot
diecimila_isp: EFUSE = 04
diecimila_isp: isp
atmega328_isp: atmega328
atmega328_isp: TARGET = atmega328
atmega328_isp: MCU_TARGET = atmega328p
# 512 byte boot, SPIEN
atmega328_isp: HFUSE = DE
# Low power xtal (16MHz) 16KCK/14CK+65ms
atmega328_isp: LFUSE = FF
# 2.7V brownout
atmega328_isp: EFUSE = FD
atmega328_isp: isp
atmega1284: TARGET = atmega1284p
atmega1284: MCU_TARGET = atmega1284p
atmega1284: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=38400' '-DBIGBOOT'
atmega1284: AVR_FREQ = 16000000L
atmega1284: LDSECTIONS = -Wl,--section-start=.text=0x1fc00 -Wl,--section-start=.version=0x1fffe
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
# Sanguino has a minimum boot size of 1024 bytes, so enable extra functions
#
sanguino: TARGET = atmega644p
sanguino: MCU_TARGET = atmega644p
sanguino: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=38400' '-DBIGBOOT'
sanguino: AVR_FREQ = 16000000L
sanguino: LDSECTIONS = -Wl,--section-start=.text=0xfc00 -Wl,--section-start=.version=0xfffe
sanguino: $(PROGRAM)_atmega644p.hex
sanguino: $(PROGRAM)_atmega644p.lst
sanguino_isp: sanguino
sanguino_isp: TARGET = atmega644p
sanguino_isp: MCU_TARGET = atmega644p
# 1024 byte boot
sanguino_isp: HFUSE = DE
# Low power xtal (16MHz) 16KCK/14CK+65ms
sanguino_isp: LFUSE = FF
# 2.7V brownout
sanguino_isp: EFUSE = FD
sanguino_isp: isp
# Mega has a minimum boot size of 1024 bytes, so enable extra functions
#mega: TARGET = atmega1280
mega1280: MCU_TARGET = atmega1280
mega1280: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=38400' '-DBIGBOOT'
mega1280: AVR_FREQ = 16000000L
mega1280: LDSECTIONS = -Wl,--section-start=.text=0x1fc00 -Wl,--section-start=.version=0x1fffe
mega1280: $(PROGRAM)_atmega1280.hex
mega1280: $(PROGRAM)_atmega1280.lst
mega1280_isp: mega
mega1280_isp: TARGET = atmega1280
mega1280_isp: MCU_TARGET = atmega1280
# 1024 byte boot
mega1280_isp: HFUSE = DE
# Low power xtal (16MHz) 16KCK/14CK+65ms
mega1280_isp: LFUSE = FF
# 2.7V brownout
mega1280_isp: EFUSE = FD
mega1280_isp: isp
# ATmega8
#
atmega8: TARGET = atmega8
atmega8: MCU_TARGET = atmega8
atmega8: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=38400'
atmega8: AVR_FREQ = 16000000L
atmega8: LDSECTIONS = -Wl,--section-start=.text=0x1e00 -Wl,--section-start=.version=0x1ffe
atmega8: $(PROGRAM)_atmega8.hex
atmega8: $(PROGRAM)_atmega8.lst
atmega8_isp: atmega8
atmega8_isp: TARGET = atmega8
atmega8_isp: MCU_TARGET = atmega8
# SPIEN, CKOPT, Bootsize=512B
atmega8_isp: HFUSE = CC
# 2.7V brownout, Low power xtal (16MHz) 16KCK/14CK+65ms
atmega8_isp: LFUSE = BF
atmega8_isp: isp
# ATmega88
#
atmega88: TARGET = atmega88
atmega88: MCU_TARGET = atmega88
atmega88: CFLAGS += '-DLED_START_FLASHES=0' '-DBAUD_RATE=38400'
atmega88: AVR_FREQ = 12000000L
atmega88: LDSECTIONS = -Wl,--section-start=.text=0x1e00 -Wl,--section-start=.version=0x1ffe
atmega88: $(PROGRAM)_atmega88.hex
atmega88: $(PROGRAM)_atmega88.lst
atmega88_isp: atmega88
atmega88_isp: TARGET = atmega88
atmega88_isp: MCU_TARGET = atmega88
# 2.7V brownout
atmega88_isp: HFUSE = DD
# Low power xtal (16MHz) 16KCK/14CK+65ms
atemga88_isp: LFUSE = FF
# 512 byte boot
atmega88_isp: EFUSE = 04
atmega88_isp: isp
# 8MHz clocked platforms
#
# These are capable of 38400 baud
#
lilypad: TARGET = lilypad
lilypad: MCU_TARGET = atmega168
lilypad: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=38400'
lilypad: AVR_FREQ = 8000000L
lilypad: $(PROGRAM)_lilypad.hex
lilypad: $(PROGRAM)_lilypad.lst
lilypad_isp: lilypad
lilypad_isp: TARGET = lilypad
# 2.7V brownout
lilypad_isp: HFUSE = DD
# Internal 8MHz osc (8MHz) Slow rising power
lilypad_isp: LFUSE = E2
# 512 byte boot
lilypad_isp: EFUSE = 04
lilypad_isp: isp
lilypad_resonator: TARGET = lilypad_resonator
lilypad_resonator: MCU_TARGET = atmega168
lilypad_resonator: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=38400'
lilypad_resonator: AVR_FREQ = 8000000L
lilypad_resonator: $(PROGRAM)_lilypad_resonator.hex
lilypad_resonator: $(PROGRAM)_lilypad_resonator.lst
lilypad_resonator_isp: lilypad_resonator
lilypad_resonator_isp: TARGET = lilypad_resonator
# 2.7V brownout
lilypad_resonator_isp: HFUSE = DD
# Full swing xtal (20MHz) 258CK/14CK+4.1ms
lilypad_resonator_isp: LFUSE = C6
# 512 byte boot
lilypad_resonator_isp: EFUSE = 04
lilypad_resonator_isp: isp
pro8: TARGET = pro_8MHz
pro8: MCU_TARGET = atmega168
pro8: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=38400'
pro8: AVR_FREQ = 8000000L
pro8: $(PROGRAM)_pro_8MHz.hex
pro8: $(PROGRAM)_pro_8MHz.lst
pro8_isp: pro8
pro8_isp: TARGET = pro_8MHz
# 2.7V brownout
pro8_isp: HFUSE = DD
# Full swing xtal (20MHz) 258CK/14CK+4.1ms
pro8_isp: LFUSE = C6
# 512 byte boot
pro8_isp: EFUSE = 04
pro8_isp: isp
atmega328_pro8: TARGET = atmega328_pro_8MHz
atmega328_pro8: MCU_TARGET = atmega328p
atmega328_pro8: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=38400'
atmega328_pro8: AVR_FREQ = 8000000L
atmega328_pro8: LDSECTIONS = -Wl,--section-start=.text=0x7e00 -Wl,--section-start=.version=0x7ffe
atmega328_pro8: $(PROGRAM)_atmega328_pro_8MHz.hex
atmega328_pro8: $(PROGRAM)_atmega328_pro_8MHz.lst
atmega328_pro8_isp: atmega328_pro8
atmega328_pro8_isp: TARGET = atmega328_pro_8MHz
atmega328_pro8_isp: MCU_TARGET = atmega328p
# 512 byte boot, SPIEN
atmega328_pro8_isp: HFUSE = DE
# Low power xtal (16MHz) 16KCK/14CK+65ms
atmega328_pro8_isp: LFUSE = FF
# 2.7V brownout
atmega328_pro8_isp: EFUSE = DE
atmega328_pro8_isp: isp
# 1MHz clocked platforms
#
# These are capable of 9600 baud
#
luminet: TARGET = luminet
luminet: MCU_TARGET = attiny84
luminet: CFLAGS += '-DLED_START_FLASHES=3' '-DSOFT_UART' '-DBAUD_RATE=9600'
luminet: CFLAGS += '-DVIRTUAL_BOOT_PARTITION'
luminet: AVR_FREQ = 1000000L
luminet: LDSECTIONS = -Wl,--section-start=.text=0x1d00 -Wl,--section-start=.version=0x1efe
luminet: $(PROGRAM)_luminet.hex
luminet: $(PROGRAM)_luminet.lst
luminet_isp: luminet
luminet_isp: TARGET = luminet
luminet_isp: MCU_TARGET = attiny84
# Brownout disabled
luminet_isp: HFUSE = DF
# 1MHz internal oscillator, slowly rising power
luminet_isp: LFUSE = 62
# Self-programming enable
luminet_isp: EFUSE = FE
luminet_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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BootLoaders/OrangeMultiBoot/Source/optiboot.c Normal file
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/**********************************************************/
/* Optiboot bootloader for Xmega */
/* */
/* http://optiboot.googlecode.com */
/* */
/* Arduino-maintained version : See README.TXT */
/* http://code.google.com/p/arduino/ */
/* It is the intent that changes not relevant to the */
/* Arduino production envionment get moved from the */
/* optiboot project to the arduino project in "lumps." */
/* */
/* Heavily optimised bootloader that is faster and */
/* smaller than the Arduino standard bootloader */
/* */
/* Enhancements: */
/* Fits in 512 bytes, saving 1.5K of code space */
/* Background page erasing speeds up programming */
/* Higher baud rate speeds up programming */
/* Written almost entirely in C */
/* Customisable timeout with accurate timeconstant */
/* Optional virtual UART. No hardware UART required. */
/* Optional virtual boot partition for devices without. */
/* */
/* What you lose: */
/* Implements a skeleton STK500 protocol which is */
/* missing several features including EEPROM */
/* programming and non-page-aligned writes */
/* High baud rate breaks compatibility with standard */
/* Arduino flash settings */
/* */
/* Fully supported: */
/* ATmega168 based devices (Diecimila etc) */
/* ATmega328P based devices (Duemilanove etc) */
/* */
/* Beta test (believed working.) */
/* ATmega8 based devices (Arduino legacy) */
/* ATmega328 non-picopower devices */
/* ATmega644P based devices (Sanguino) */
/* ATmega1284P based devices */
/* */
/* Alpha test */
/* ATmega1280 based devices (Arduino Mega) */
/* */
/* Work in progress: */
/* ATtiny84 based devices (Luminet) */
/* */
/* Does not support: */
/* USB based devices (eg. Teensy) */
/* */
/* Assumptions: */
/* The code makes several assumptions that reduce the */
/* code size. They are all true after a hardware reset, */
/* but may not be true if the bootloader is called by */
/* other means or on other hardware. */
/* No interrupts can occur */
/* UART and Timer 1 are set to their reset state */
/* SP points to RAMEND */
/* */
/* Code builds on code, libraries and optimisations from: */
/* stk500boot.c by Jason P. Kyle */
/* Arduino bootloader http://arduino.cc */
/* Spiff's 1K bootloader http://spiffie.org/know/arduino_1k_bootloader/bootloader.shtml */
/* avr-libc project http://nongnu.org/avr-libc */
/* Adaboot http://www.ladyada.net/library/arduino/bootloader.html */
/* AVR305 Atmel Application Note */
/* */
/* This program 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. */
/* */
/* This program 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., */
/* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* */
/* Licence can be viewed at */
/* http://www.fsf.org/licenses/gpl.txt */
/* */
/**********************************************************/
/**********************************************************/
/* */
/* Optional defines: */
/* */
/**********************************************************/
/* */
/* BIG_BOOT: */
/* Build a 1k bootloader, not 512 bytes. This turns on */
/* extra functionality. */
/* */
/* BAUD_RATE: */
/* Set bootloader baud rate. */
/* */
/* LUDICROUS_SPEED: */
/* 230400 baud :-) */
/* */
/* SOFT_UART: */
/* Use AVR305 soft-UART instead of hardware UART. */
/* */
/* LED_START_FLASHES: */
/* Number of LED flashes on bootup. */
/* */
/* LED_DATA_FLASH: */
/* Flash LED when transferring data. For boards without */
/* TX or RX LEDs, or for people who like blinky lights. */
/* */
/* SUPPORT_EEPROM: */
/* Support reading and writing from EEPROM. This is not */
/* used by Arduino, so off by default. */
/* */
/* TIMEOUT_MS: */
/* Bootloader timeout period, in milliseconds. */
/* 500,1000,2000,4000,8000 supported. */
/* */
/* UART: */
/* UART number (0..n) for devices with more than */
/* one hardware uart (644P, 1284P, etc) */
/* */
/**********************************************************/
/**********************************************************/
/* Version Numbers! */
/* */
/* Arduino Optiboot now includes this Version number in */
/* the source and object code. */
/* */
/* Version 3 was released as zip from the optiboot */
/* repository and was distributed with Arduino 0022. */
/* Version 4 starts with the arduino repository commit */
/* that brought the arduino repository up-to-date with */
/* the optiboot source tree changes since v3. */
/* */
/**********************************************************/
/**********************************************************/
/* Edit History: */
/* */
/* Nov 2012 */
/* Specific version for 9x voice module */
/* by Mike Blandford */
/* Mar 2012 */
/* 4.5 WestfW: add infrastructure for non-zero UARTS. */
/* 4.5 WestfW: fix SIGNATURE_2 for m644 (bad in avr-libc) */
/* Jan 2012: */
/* 4.5 WestfW: fix NRWW value for m1284. */
/* 4.4 WestfW: use attribute OS_main instead of naked for */
/* main(). This allows optimizations that we */
/* count on, which are prohibited in naked */
/* functions due to PR42240. (keeps us less */
/* than 512 bytes when compiler is gcc4.5 */
/* (code from 4.3.2 remains the same.) */
/* 4.4 WestfW and Maniacbug: Add m1284 support. This */
/* does not change the 328 binary, so the */
/* version number didn't change either. (?) */
/* June 2011: */
/* 4.4 WestfW: remove automatic soft_uart detect (didn't */
/* know what it was doing or why.) Added a */
/* check of the calculated BRG value instead. */
/* Version stays 4.4; existing binaries are */
/* not changed. */
/* 4.4 WestfW: add initialization of address to keep */
/* the compiler happy. Change SC'ed targets. */
/* Return the SW version via READ PARAM */
/* 4.3 WestfW: catch framing errors in getch(), so that */
/* AVRISP works without HW kludges. */
/* http://code.google.com/p/arduino/issues/detail?id=368n*/
/* 4.2 WestfW: reduce code size, fix timeouts, change */
/* verifySpace to use WDT instead of appstart */
/* 4.1 WestfW: put version number in binary. */
/**********************************************************/
#define OPTIBOOT_MAJVER 4
#define OPTIBOOT_MINVER 5
#define MULTI_CALLED 1
#define MAKESTR(a) #a
#define MAKEVER(a, b) MAKESTR(a*256+b)
// Page Size is 128 words (256 bytes)
//asm(" .section .version\n"
// "optiboot_version: .word " MAKEVER(OPTIBOOT_MAJVER, OPTIBOOT_MINVER) "\n"
// " .section .text\n");
#include <inttypes.h>
#include <avr/io.h>
#include <avr/pgmspace.h>
// <avr/boot.h> uses sts instructions, but this version uses out instructions
// This saves cycles and program memory.
//#include "boot.h"
// We don't use <avr/wdt.h> as those routines have interrupt overhead we don't need.
#include "pin_defs.h"
#include "stk500.h"
#define BIND_pin 2 //PD2
#define BIND_port PORTD
#define IS_BIND_BUTTON_on ( (BIND_port.IN & _BV(BIND_pin)) == 0x00 )
#ifndef LED_START_FLASHES
#define LED_START_FLASHES 0
#endif
#ifdef LUDICROUS_SPEED
#define BAUD_RATE 230400L
#endif
/* set the UART baud rate defaults */
#ifndef BAUD_RATE
#if F_CPU >= 8000000L
#define BAUD_RATE 38400L // Highest rate Avrdude win32 will support
#elsif F_CPU >= 1000000L
#define BAUD_RATE 9600L // 19200 also supported, but with significant error
#elsif F_CPU >= 128000L
#define BAUD_RATE 4800L // Good for 128kHz internal RC
#else
#define BAUD_RATE 1200L // Good even at 32768Hz
#endif
#endif
#ifndef UART
#define UART 0
#endif
#if 0
/* Switch in soft UART for hard baud rates */
/*
* I don't understand what this was supposed to accomplish, where the
* constant "280" came from, or why automatically (and perhaps unexpectedly)
* switching to a soft uart is a good thing, so I'm undoing this in favor
* of a range check using the same calc used to config the BRG...
*/
#if (F_CPU/BAUD_RATE) > 280 // > 57600 for 16MHz
#ifndef SOFT_UART
#define SOFT_UART
#endif
#endif
#else // 0
#if (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 > 250
#error Unachievable baud rate (too slow) BAUD_RATE
#endif // baud rate slow check
#if (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 < 3
#error Unachievable baud rate (too fast) BAUD_RATE
#endif // baud rate fastn check
#endif
/* Watchdog settings */
#define WATCHDOG_OFF (0)
#define WATCHDOG_16MS (_BV(WDE))
#define WATCHDOG_32MS (_BV(WDP0) | _BV(WDE))
#define WATCHDOG_64MS (_BV(WDP1) | _BV(WDE))
#define WATCHDOG_125MS (_BV(WDP1) | _BV(WDP0) | _BV(WDE))
#define WATCHDOG_250MS (_BV(WDP2) | _BV(WDE))
#define WATCHDOG_500MS (_BV(WDP2) | _BV(WDP0) | _BV(WDE))
#define WATCHDOG_1S (_BV(WDP2) | _BV(WDP1) | _BV(WDE))
#define WATCHDOG_2S (_BV(WDP2) | _BV(WDP1) | _BV(WDP0) | _BV(WDE))
#ifndef __AVR_ATmega8__
#define WATCHDOG_4S (_BV(WDP3) | _BV(WDE))
#define WATCHDOG_8S (_BV(WDP3) | _BV(WDP0) | _BV(WDE))
#endif
/* Function Prototypes */
/* The main function is in init9, which removes the interrupt vector table */
/* we don't need. It is also 'naked', which means the compiler does not */
/* generate any entry or exit code itself. */
int main(void) __attribute__ ((OS_main)) __attribute__ ((noreturn)) __attribute__ ((section (".init9")));
void putch(char);
uint8_t getch(void);
static inline void getNch(uint8_t); /* "static inline" is a compiler hint to reduce code size */
void verifySpace();
#if LED_START_FLASHES > 0
static inline void flash_led(uint8_t);
#endif
uint8_t getLen();
//static inline void watchdogReset();
void watchdogConfig(uint8_t x);
#ifdef SOFT_UART
void uartDelay() __attribute__ ((naked));
#endif
static void appStart() ; // __attribute__ ((naked));
void boot_spm_busy_wait() ;
void __boot_page_erase_short( uint16_t address ) ;
void __boot_page_fill_short( uint16_t address, uint16_t data) ;
void __boot_page_write_short( uint16_t address) ;
void __boot_erase_flash_buffer( uint16_t address ) ;
void init() ;
/*
* NRWW memory
* Addresses below NRWW (Non-Read-While-Write) can be programmed while
* continuing to run code from flash, slightly speeding up programming
* time. Beware that Atmel data sheets specify this as a WORD address,
* while optiboot will be comparing against a 16-bit byte address. This
* means that on a part with 128kB of memory, the upper part of the lower
* 64k will get NRWW processing as well, even though it doesn't need it.
* That's OK. In fact, you can disable the overlapping processing for
* a part entirely by setting NRWWSTART to zero. This reduces code
* space a bit, at the expense of being slightly slower, overall.
*
* RAMSTART should be self-explanatory. It's bigger on parts with a
* lot of peripheral registers.
*/
#if defined(__AVR_ATmega168__)
#define RAMSTART (0x100)
#define NRWWSTART (0x3800)
#elif defined(__AVR_ATmega328P__)
#define RAMSTART (0x100)
#define NRWWSTART (0x7000)
#elif defined(__AVR_ATmega328__)
#define RAMSTART (0x100)
#define NRWWSTART (0x7000)
#elif defined (__AVR_ATmega644P__)
#define RAMSTART (0x100)
#define NRWWSTART (0xE000)
// correct for a bug in avr-libc
#undef SIGNATURE_2
#define SIGNATURE_2 0x0A
#elif defined (__AVR_ATmega1284P__)
#define RAMSTART (0x100)
#define NRWWSTART (0xE000)
#elif defined(__AVR_ATtiny84__)
#define RAMSTART (0x100)
#define NRWWSTART (0x0000)
#elif defined(__AVR_ATmega1280__)
#define RAMSTART (0x200)
#define NRWWSTART (0xE000)
#elif defined(__AVR_ATmega8__) || defined(__AVR_ATmega88__)
#define RAMSTART (0x100)
#define NRWWSTART (0x1800)
#endif
/* C zero initialises all global variables. However, that requires */
/* These definitions are NOT zero initialised, but that doesn't matter */
/* This allows us to drop the zero init code, saving us memory */
#define buff ((uint8_t*)(RAMSTART))
#ifdef VIRTUAL_BOOT_PARTITION
#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4))
#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6))
#endif
/*
* Handle devices with up to 4 uarts (eg m1280.) Rather inelegantly.
* Note that mega8 still needs special handling, because ubrr is handled
* differently.
*/
#if UART == 0
# define UART_SRA UCSR0A
# define UART_SRB UCSR0B
# define UART_SRC UCSR0C
# define UART_SRL UBRR0L
# define UART_UDR UDR0
#elif UART == 1
# define UART_SRA UCSR1A
# define UART_SRB UCSR1B
# define UART_SRC UCSR1C
# define UART_SRL UBRR1L
# define UART_UDR UDR1
#elif UART == 2
# define UART_SRA UCSR2A
# define UART_SRB UCSR2B
# define UART_SRC UCSR2C
# define UART_SRL UBRR2L
# define UART_UDR UDR2
#elif UART == 3
# define UART_SRA UCSR3A
# define UART_SRB UCSR3B
# define UART_SRC UCSR3C
# define UART_SRL UBRR3L
# define UART_UDR UDR3
#endif
/* main program starts here */
int main(void)
{
uint8_t ch;
uint8_t byte ;
/*
* Making these local and in registers prevents the need for initializing
* them, and also saves space because code no longer stores to memory.
* (initializing address keeps the compiler happy, but isn't really
* necessary, and uses 4 bytes of flash.)
*/
register uint16_t address = 0;
init() ;
// After the zero init loop, this is the first code to run.
//
// This code makes the following assumptions:
// No interrupts will execute
// SP points to RAMEND
// r1 contains zero
//
// If not, uncomment the following instructions:
// cli();
asm volatile ("clr __zero_reg__");
ch = RST.STATUS ;
RST.STATUS = 0xFF ; // Clear all flags
// Here, if power on, wait 0.1 secs, then check for
// serial Rx signal low, if so, stay in bootloader
// else go to application
if (ch & (RST_EXTRF_bm | RST_PORF_bm ) )
{
TCC1.CCA = 25000 ;
TCC1.INTFLAGS = TC1_CCAIF_bm ;
while(!(TCC1.INTFLAGS & TC1_CCAIF_bm))
;
TCC1.CTRLA = 0 ; // Stop timer
uint8_t x ;
x = PORTD.IN & 0x04 ;
if ( x != 0 )
{
appStart() ; // Power on, go to app if loaded
}
}
//#ifndef SOFT_UART
// UART_SRA = _BV(U2X0); //Double speed mode USART0
// UART_SRB = _BV(RXEN0) | _BV(TXEN0);
// UART_SRC = _BV(UCSZ00) | _BV(UCSZ01);
//// UART_SRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
//// Baudrate of 57600
//#if F_CPU == 12000000L
// UART_SRL = 25 ;
//#else
//#if F_CPU == 16000000L
// UART_SRL = 33 ;
//#else
//#ERROR Baud rate not available
//#endif
//#endif
//#endif
// Set up watchdog to trigger after 500ms
// watchdogConfig(WATCHDOG_1S);
/* Set LED pin as output */
#define LED_pin 1 //PD1
#define LED_port PORTD
LED_port.DIRSET = _BV(LED_pin) ;
//#ifdef SOFT_UART
// /* Set TX pin as output */
// UART_DDR |= _BV(UART_TX_BIT);
//#endif
//#if LED_START_FLASHES > 0
// /* Flash onboard LED to signal entering of bootloader */
// flash_led(LED_START_FLASHES * 2);
//#endif
/* Forever loop */
for (;;)
{
/* get character from UART */
ch = getch();
if(ch == STK_GET_PARAMETER)
{
byte = getch();
verifySpace();
if ( byte == 0x82)
{
/*
* Send optiboot version as "minor SW version"
*/
putch(OPTIBOOT_MINVER);
}
else if ( byte == 0x81)
{
putch(OPTIBOOT_MAJVER);
}
else
{
/*
* GET PARAMETER returns a generic 0x03 reply for
* other parameters - enough to keep Avrdude happy
*/
putch(0x03);
}
}
else if(ch == STK_SET_DEVICE) {
// SET DEVICE is ignored
getNch(20);
}
else if(ch == STK_SET_DEVICE_EXT)
{
// SET DEVICE EXT is ignored
getNch(5);
}
else if(ch == STK_LOAD_ADDRESS)
{
// LOAD ADDRESS
uint16_t newAddress;
newAddress = getch() ;
newAddress = (newAddress & 0xff) | (getch() << 8);
#ifdef RAMPZ
// Transfer top bit to RAMPZ
RAMPZ = (newAddress & 0x8000) ? 1 : 0;
#endif
// newAddress += newAddress; // Convert from word address to byte address
address = newAddress;
verifySpace();
}
else if(ch == STK_UNIVERSAL)
{
// UNIVERSAL command is ignored
getNch(4);
putch(0x00);
}
/* Write memory, length is big endian and is in bytes */
else if(ch == STK_PROG_PAGE)
{
// PROGRAM PAGE - we support flash programming only, not EEPROM
uint8_t *bufPtr;
uint16_t addrPtr;
register uint8_t length;
getch(); /* getlen() */
length = getch();
getch();
// If we are in RWW section, immediately start page erase
// if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address);
__boot_page_erase_short((uint16_t)(void*)address);
// While that is going on, read in page contents
bufPtr = buff;
do *bufPtr++ = getch();
while (--length);
// If we are in NRWW section, page erase has to be delayed until now.
// Todo: Take RAMPZ into account
//#ifdef MULTI_CALLED
// if (address < 0x7E00)
//#endif
// {
// if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address);
// }
// Read command terminator, start reply
verifySpace();
// If only a partial page is to be programmed, the erase might not be complete.
// So check that here
#ifdef MULTI_CALLED
if (address < 0x8000)
#endif
{
boot_spm_busy_wait();
#ifdef VIRTUAL_BOOT_PARTITION
if ((uint16_t)(void*)address == 0) {
// This is the reset vector page. We need to live-patch the code so the
// bootloader runs.
//
// Move RESET vector to WDT vector
uint16_t vect = buff[0] | (buff[1]<<8);
rstVect = vect;
wdtVect = buff[8] | (buff[9]<<8);
vect -= 4; // Instruction is a relative jump (rjmp), so recalculate.
buff[8] = vect & 0xff;
buff[9] = vect >> 8;
// Add jump to bootloader at RESET vector
buff[0] = 0x7f;
buff[1] = 0xce; // rjmp 0x1d00 instruction
}
#endif
// Copy buffer into programming buffer
bufPtr = buff;
addrPtr = (uint16_t)(void*)address;
ch = SPM_PAGESIZE / 2;
__boot_erase_flash_buffer((uint16_t)(void*)addrPtr ) ;
do {
uint16_t a;
// a = *bufPtr++;
// a |= (*bufPtr++) << 8;
a = *((uint16_t *)bufPtr) ;
bufPtr += 2 ;
__boot_page_fill_short((uint16_t)(void*)addrPtr,a);
addrPtr += 2;
} while (--ch);
// Write from programming buffer
__boot_page_write_short((uint16_t)(void*)address);
boot_spm_busy_wait();
#if defined(RWWSRE)
// Reenable read access to flash
boot_rww_enable();
#endif
}
}
/* Read memory block mode, length is big endian. */
else if(ch == STK_READ_PAGE)
{
register uint8_t length;
// READ PAGE - we only read flash
getch(); /* getlen() */
length = getch();
getch();
verifySpace();
//#ifdef VIRTUAL_BOOT_PARTITION
// do {
// // Undo vector patch in bottom page so verify passes
// if (address == 0) ch=rstVect & 0xff;
// else if (address == 1) ch=rstVect >> 8;
// else if (address == 8) ch=wdtVect & 0xff;
// else if (address == 9) ch=wdtVect >> 8;
// else ch = pgm_read_byte_near(address);
// address++;
// putch(ch);
// } while (--length);
//#else
//#ifdef RAMPZ
//// Since RAMPZ should already be set, we need to use EPLM directly.
//// do putch(pgm_read_byte_near(address++));
//// while (--length);
// do {
// uint8_t result;
// __asm__ ("elpm %0,Z\n":"=r"(result):"z"(address));
// putch(result);
// address++;
// }
// while (--length);
//#else
do putch(pgm_read_byte_near(address++));
while (--length);
//#endif
//#endif
}
/* Get device signature bytes */
else if(ch == STK_READ_SIGN)
{
// READ SIGN - return what Avrdude wants to hear
verifySpace();
putch(SIGNATURE_0);
putch(SIGNATURE_1);
putch(SIGNATURE_2);
}
else if (ch == STK_LEAVE_PROGMODE) { /* 'Q' */
// Adaboot no-wait mod
// watchdogConfig(WATCHDOG_16MS);
verifySpace();
#ifdef MULTI_CALLED
putch(STK_OK);
while(!(USARTC0.STATUS & USART_TXCIF_bm))
;
appStart() ;
#endif
}
else
{
// This covers the response to commands like STK_ENTER_PROGMODE
verifySpace();
}
putch(STK_OK);
}
}
void putch(char ch)
{
//#ifndef SOFT_UART
while(!(USARTC0.STATUS & USART_DREIF_bm))
;
USARTC0.DATA = ch ;
//#else
// __asm__ __volatile__ (
// " com %[ch]\n" // ones complement, carry set
// " sec\n"
// "1: brcc 2f\n"
// " cbi %[uartPort],%[uartBit]\n"
// " rjmp 3f\n"
// "2: sbi %[uartPort],%[uartBit]\n"
// " nop\n"
// "3: rcall uartDelay\n"
// " rcall uartDelay\n"
// " lsr %[ch]\n"
// " dec %[bitcnt]\n"
// " brne 1b\n"
// :
// :
// [bitcnt] "d" (10),
// [ch] "r" (ch),
// [uartPort] "I" (_SFR_IO_ADDR(UART_PORT)),
// [uartBit] "I" (UART_TX_BIT)
// :
// "r25"
// );
//#endif
}
uint8_t getch(void)
{
uint8_t ch;
//#ifdef LED_DATA_FLASH
//#ifdef __AVR_ATmega8__
// LED_PORT ^= _BV(LED);
//#else
// LED_PIN |= _BV(LED);
//#endif
//#endif
//#ifdef SOFT_UART
// __asm__ __volatile__ (
// "1: sbic %[uartPin],%[uartBit]\n" // Wait for start edge
// " rjmp 1b\n"
// " rcall uartDelay\n" // Get to middle of start bit
// "2: rcall uartDelay\n" // Wait 1 bit period
// " rcall uartDelay\n" // Wait 1 bit period
// " clc\n"
// " sbic %[uartPin],%[uartBit]\n"
// " sec\n"
// " dec %[bitCnt]\n"
// " breq 3f\n"
// " ror %[ch]\n"
// " rjmp 2b\n"
// "3:\n"
// :
// [ch] "=r" (ch)
// :
// [bitCnt] "d" (9),
// [uartPin] "I" (_SFR_IO_ADDR(UART_PIN)),
// [uartBit] "I" (UART_RX_BIT)
// :
// "r25"
//);
//#else
while(!(USARTC0.STATUS & USART_RXCIF_bm))
// watchdogReset()
;
// if (!(UART_SRA & _BV(FE0))) {
/*
* A Framing Error indicates (probably) that something is talking
* to us at the wrong bit rate. Assume that this is because it
* expects to be talking to the application, and DON'T reset the
* watchdog. This should cause the bootloader to abort and run
* the application "soon", if it keeps happening. (Note that we
* don't care that an invalid char is returned...)
*/
// watchdogReset();
// }
ch = USARTC0.DATA ;
//#endif
//#ifdef LED_DATA_FLASH
//#ifdef __AVR_ATmega8__
// LED_PORT ^= _BV(LED);
//#else
// LED_PIN |= _BV(LED);
//#endif
//#endif
return ch;
}
#ifdef SOFT_UART
// AVR305 equation: #define UART_B_VALUE (((F_CPU/BAUD_RATE)-23)/6)
// Adding 3 to numerator simulates nearest rounding for more accurate baud rates
#define UART_B_VALUE (((F_CPU/BAUD_RATE)-20)/6)
#if UART_B_VALUE > 255
#error Baud rate too slow for soft UART
#endif
void uartDelay() {
__asm__ __volatile__ (
"ldi r25,%[count]\n"
"1:dec r25\n"
"brne 1b\n"
"ret\n"
::[count] "M" (UART_B_VALUE)
);
}
#endif
void getNch(uint8_t count) {
do getch(); while (--count);
verifySpace();
}
void verifySpace()
{
if ( getch() != CRC_EOP) {
putch(STK_NOSYNC);
// watchdogConfig(WATCHDOG_16MS); // shorten WD timeout
//
// while (1) // and busy-loop so that WD causes
// ; // a reset and app start.
}
putch(STK_INSYNC);
}
#if LED_START_FLASHES > 0
void flash_led(uint8_t count) {
do {
TCNT1 = -(F_CPU/(1024*16));
TIFR1 = _BV(TOV1);
while(!(TIFR1 & _BV(TOV1)));
//#ifdef __AVR_ATmega8__
LED_PORT ^= _BV(LED);
//#else
// LED_PIN |= _BV(LED);
//#endif
watchdogReset();
} while (--count);
}
#endif
// Watchdog functions. These are only safe with interrupts turned off.
void watchdogReset() {
__asm__ __volatile__ (
"wdr\n"
);
}
//void watchdogConfig(uint8_t x) {
// WDTCSR = _BV(WDCE) | _BV(WDE);
// WDTCSR = x;
//}
void init()
{
// Enable external oscillator (16MHz)
OSC.XOSCCTRL = OSC_FRQRANGE_12TO16_gc | OSC_XOSCSEL_XTAL_256CLK_gc ;
OSC.CTRL |= OSC_XOSCEN_bm ;
while( ( OSC.STATUS & OSC_XOSCRDY_bm ) == 0 )
/* wait */ ;
// Enable PLL (*2 = 32MHz)
OSC.PLLCTRL = OSC_PLLSRC_XOSC_gc | 2 ;
OSC.CTRL |= OSC_PLLEN_bm ;
while( ( OSC.STATUS & OSC_PLLRDY_bm ) == 0 )
/* wait */ ;
// Switch to PLL clock
CPU_CCP = 0xD8 ;
CLK.CTRL = CLK_SCLKSEL_RC2M_gc ;
CPU_CCP = 0xD8 ;
CLK.CTRL = CLK_SCLKSEL_PLL_gc ;
PMIC.CTRL = 7 ; // Enable all interrupt levels
// Timer1 config
// TCC1 16-bit timer, clocked at 0.5uS
EVSYS.CH3MUX = 0x80 + 0x07 ; // Prescaler of 128
TCC1.CTRLB = 0; TCC1.CTRLC = 0; TCC1.CTRLD = 0; TCC1.CTRLE = 0;
TCC1.INTCTRLA = 0 ;
TCC1.INTCTRLB = 0 ;
TCC1.PER = 0xFFFF ;
TCC1.CNT = 0 ;
TCC1.CTRLA = 0x0B ; // Event3 (prescale of 16)
PORTD.OUTSET = 0x04 ;
PORTD.DIRCLR = 0x04 ;
PORTD.PIN2CTRL = 0x18 ; // Pullup
PORTC.OUTSET = 0x08 ;
PORTC.DIRSET = 0x08 ;
USARTC0.BAUDCTRLA = 34 ; // 57600
USARTC0.BAUDCTRLB = 0 ;
USARTC0.CTRLB = 0x18 ; // Enable Tx and Rx
USARTC0.CTRLA = (USARTC0.CTRLA & 0xCF) ;
USARTC0.CTRLC = 0x03 ; // 8 bit, no parity, 1 stop
USARTC0.DATA ;
}
void boot_spm_busy_wait()
{
while(NVM.STATUS & NVM_NVMBUSY_bm)
;
}
#define A_NVM_CMD 0x1CA
void __boot_page_erase_short( uint16_t address )
{
asm( "push r24" ) ;
asm( "push r25" ) ;
NVM.CMD = NVM_CMD_ERASE_APP_PAGE_gc ;
asm( "pop r31" ) ;
asm( "pop r30" ) ;
CCP = CCP_SPM_gc ;
asm( "spm" ) ;
}
void __boot_erase_flash_buffer( uint16_t address )
{
asm( "movw r30,r24" ) ;
asm( "ldi r24,0x26" ) ;
asm("sts 0x1CA,r24");
CCP = CCP_IOREG_gc ;
asm( "ldi r24,1" ) ;
asm("sts 0x1CB,r24");
}
void __boot_page_fill_short( uint16_t address, uint16_t data)
{
asm( "push r0" ) ;
asm( "push r1" ) ;
asm( "movw r30,r24" ) ;
asm( "mov r0,r22" ) ;
asm( "mov r1,r23" ) ;
asm( "ldi r24,0x23" ) ;
asm("sts 0x1CA,r24");
CCP = CCP_SPM_gc ;
asm( "spm" ) ;
asm( "pop r1" ) ;
asm( "pop r0" ) ;
}
void __boot_page_write_short( uint16_t address)
{
asm( "movw r30,r24" ) ;
asm( "ldi r24,0x2E" ) ;
asm("sts 0x1CA,r24");
CCP = CCP_SPM_gc ;
asm( "spm" ) ;
}
void appStart()
{
// watchdogConfig(WATCHDOG_OFF);
// __asm__ __volatile__ (
//#ifdef VIRTUAL_BOOT_PARTITION
// // Jump to WDT vector
// "ldi r30,4\n"
// "clr r31\n"
//#else
// // Jump to RST vector
// "clr r30\n"
// "clr r31\n"
//#endif
// "ijmp\n"
// );
register void (*p)() ;
p = 0 ;
if ( pgm_read_byte( (uint16_t)p ) != 0xFF )
{
(*p)() ;
}
}

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#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__) || defined(__AVR_ATmega88) || defined(__AVR_ATmega8__) || defined(__AVR_ATmega88__)
/* Onboard LED is connected to pin PB5 in Arduino NG, Diecimila, and Duemilanove */
#define LED_DDR DDRB
#define LED_PORT PORTB
#define LED_PIN PINB
#define LED PINB5
/* Ports for soft UART */
#ifdef SOFT_UART
#define UART_PORT PORTD
#define UART_PIN PIND
#define UART_DDR DDRD
#define UART_TX_BIT 1
#define UART_RX_BIT 0
#endif
#endif
#if defined(__AVR_ATmega8__)
//Name conversion R.Wiersma
#define UCSR0A UCSRA
#define UDR0 UDR
#define UDRE0 UDRE
#define RXC0 RXC
#define FE0 FE
#define TIFR1 TIFR
#define WDTCSR WDTCR
#endif
/* Luminet support */
#if defined(__AVR_ATtiny84__)
/* Red LED is connected to pin PA4 */
#define LED_DDR DDRA
#define LED_PORT PORTA
#define LED_PIN PINA
#define LED PINA4
/* Ports for soft UART - left port only for now. TX/RX on PA2/PA3 */
#ifdef SOFT_UART
#define UART_PORT PORTA
#define UART_PIN PINA
#define UART_DDR DDRA
#define UART_TX_BIT 2
#define UART_RX_BIT 3
#endif
#endif
/* Sanguino support */
#if defined(__AVR_ATmega644P__) || defined(__AVR_ATmega1284P__)
/* Onboard LED is connected to pin PB0 on Sanguino */
#define LED_DDR DDRB
#define LED_PORT PORTB
#define LED_PIN PINB
#define LED PINB0
/* Ports for soft UART */
#ifdef SOFT_UART
#define UART_PORT PORTD
#define UART_PIN PIND
#define UART_DDR DDRD
#define UART_TX_BIT 1
#define UART_RX_BIT 0
#endif
#endif
/* Mega support */
#if defined(__AVR_ATmega1280__)
/* Onboard LED is connected to pin PB7 on Arduino Mega */
#define LED_DDR DDRB
#define LED_PORT PORTB
#define LED_PIN PINB
#define LED PINB7
/* Ports for soft UART */
#ifdef SOFT_UART
#define UART_PORT PORTE
#define UART_PIN PINE
#define UART_DDR DDRE
#define UART_TX_BIT 1
#define UART_RX_BIT 0
#endif
#endif

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/* STK500 constants list, from AVRDUDE */
#define STK_OK 0x10
#define STK_FAILED 0x11 // Not used
#define STK_UNKNOWN 0x12 // Not used
#define STK_NODEVICE 0x13 // Not used
#define STK_INSYNC 0x14 // ' '
#define STK_NOSYNC 0x15 // Not used
#define ADC_CHANNEL_ERROR 0x16 // Not used
#define ADC_MEASURE_OK 0x17 // Not used
#define PWM_CHANNEL_ERROR 0x18 // Not used
#define PWM_ADJUST_OK 0x19 // Not used
#define CRC_EOP 0x20 // 'SPACE'
#define STK_GET_SYNC 0x30 // '0'
#define STK_GET_SIGN_ON 0x31 // '1'
#define STK_SET_PARAMETER 0x40 // '@'
#define STK_GET_PARAMETER 0x41 // 'A'
#define STK_SET_DEVICE 0x42 // 'B'
#define STK_SET_DEVICE_EXT 0x45 // 'E'
#define STK_ENTER_PROGMODE 0x50 // 'P'
#define STK_LEAVE_PROGMODE 0x51 // 'Q'
#define STK_CHIP_ERASE 0x52 // 'R'
#define STK_CHECK_AUTOINC 0x53 // 'S'
#define STK_LOAD_ADDRESS 0x55 // 'U'
#define STK_UNIVERSAL 0x56 // 'V'
#define STK_PROG_FLASH 0x60 // '`'
#define STK_PROG_DATA 0x61 // 'a'
#define STK_PROG_FUSE 0x62 // 'b'
#define STK_PROG_LOCK 0x63 // 'c'
#define STK_PROG_PAGE 0x64 // 'd'
#define STK_PROG_FUSE_EXT 0x65 // 'e'
#define STK_READ_FLASH 0x70 // 'p'
#define STK_READ_DATA 0x71 // 'q'
#define STK_READ_FUSE 0x72 // 'r'
#define STK_READ_LOCK 0x73 // 's'
#define STK_READ_PAGE 0x74 // 't'
#define STK_READ_SIGN 0x75 // 'u'
#define STK_READ_OSCCAL 0x76 // 'v'
#define STK_READ_FUSE_EXT 0x77 // 'w'
#define STK_READ_OSCCAL_EXT 0x78 // 'x'

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[Source for the StmMultiBooloader](https://github.com/MikeBland/StmMultiBoot)

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[Source for the StmMultiUSB=STM32duino-bootloader](https://github.com/rogerclarkmelbourne/STM32duino-bootloader)
If you want the latest version, you should look for the file generic_boot20_pa1.bin.

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