Move the Arduino related stuff out of the Marlin tree, as they are not directly related to Marlin functionality but addons for the Arduino IDE. Also split up the addons for pre 1.0.0 Arduino and post 1.0.0 Arduino.
This commit is contained in:
@ -0,0 +1,713 @@
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/**********************************************************/
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||||
/* Serial Bootloader for Atmel megaAVR Controllers */
|
||||
/* */
|
||||
/* tested with ATmega644 and ATmega644P */
|
||||
/* should work with other mega's, see code for details */
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||||
/* */
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||||
/* ATmegaBOOT.c */
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||||
/* */
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||||
/* 20090131: Added 324P support from Alex Leone */
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||||
/* Marius Kintel */
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||||
/* 20080915: applied ADABoot mods for Sanguino 644P */
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||||
/* Brian Riley */
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||||
/* 20080711: hacked for Sanguino by Zach Smith */
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||||
/* and Justin Day */
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||||
/* 20070626: hacked for Arduino Diecimila (which auto- */
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||||
/* resets when a USB connection is made to it) */
|
||||
/* by D. Mellis */
|
||||
/* 20060802: hacked for Arduino by D. Cuartielles */
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||||
/* based on a previous hack by D. Mellis */
|
||||
/* and D. Cuartielles */
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||||
/* */
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||||
/* Monitor and debug functions were added to the original */
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||||
/* code by Dr. Erik Lins, chip45.com. (See below) */
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||||
/* */
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||||
/* Thanks to Karl Pitrich for fixing a bootloader pin */
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||||
/* problem and more informative LED blinking! */
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||||
/* */
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||||
/* For the latest version see: */
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||||
/* http://www.chip45.com/ */
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||||
/* */
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||||
/* ------------------------------------------------------ */
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||||
/* */
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||||
/* based on stk500boot.c */
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||||
/* Copyright (c) 2003, Jason P. Kyle */
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/* All rights reserved. */
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||||
/* see avr1.org for original file and information */
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||||
/* */
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||||
/* This program is free software; you can redistribute it */
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||||
/* and/or modify it under the terms of the GNU General */
|
||||
/* Public License as published by the Free Software */
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||||
/* Foundation; either version 2 of the License, or */
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||||
/* (at your option) any later version. */
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||||
/* */
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||||
/* This program is distributed in the hope that it will */
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||||
/* be useful, but WITHOUT ANY WARRANTY; without even the */
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||||
/* implied warranty of MERCHANTABILITY or FITNESS FOR A */
|
||||
/* PARTICULAR PURPOSE. See the GNU General Public */
|
||||
/* License for more details. */
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||||
/* */
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||||
/* You should have received a copy of the GNU General */
|
||||
/* Public License along with this program; if not, write */
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||||
/* to the Free Software Foundation, Inc., */
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||||
/* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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||||
/* */
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||||
/* Licence can be viewed at */
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||||
/* http://www.fsf.org/licenses/gpl.txt */
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/* */
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/* Target = Atmel AVR m128,m64,m32,m16,m8,m162,m163,m169, */
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/* m8515,m8535. ATmega161 has a very small boot block so */
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/* isn't supported. */
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/* */
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/* Tested with m168 */
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/**********************************************************/
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/* $Id$ */
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/* some includes */
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#include <inttypes.h>
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include <avr/interrupt.h>
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#include <avr/wdt.h>
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#include <avr/boot.h>
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#ifdef ADABOOT
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#define NUM_LED_FLASHES 3
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#define ADABOOT_VER 1
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#endif
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/* 20070707: hacked by David A. Mellis - after this many errors give up and launch application */
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#define MAX_ERROR_COUNT 5
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/* set the UART baud rate */
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/* 20080711: hack by Zach Hoeken */
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#define BAUD_RATE 38400
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/* SW_MAJOR and MINOR needs to be updated from time to time to avoid warning message from AVR Studio */
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/* never allow AVR Studio to do an update !!!! */
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#define HW_VER 0x02
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#define SW_MAJOR 0x01
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#define SW_MINOR 0x10
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/* onboard LED is used to indicate, that the bootloader was entered (3x flashing) */
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/* if monitor functions are included, LED goes on after monitor was entered */
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#define LED_DDR DDRB
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#define LED_PORT PORTB
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#define LED_PIN PINB
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#define LED PINB0
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||||
/* define various device id's */
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/* manufacturer byte is always the same */
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#define SIG1 0x1E // Yep, Atmel is the only manufacturer of AVR micros. Single source :(
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#if defined(__AVR_ATmega644P__)
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#define SIG2 0x96
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#define SIG3 0x0A
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#elif defined(__AVR_ATmega644__)
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#define SIG2 0x96
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#define SIG3 0x09
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#elif defined(__AVR_ATmega324P__)
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#define SIG2 0x95
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#define SIG3 0x08
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#endif
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||||
#define PAGE_SIZE 0x080U //128 words
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#define PAGE_SIZE_BYTES 0x100U //256 bytes
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||||
|
||||
/* function prototypes */
|
||||
void putch(char);
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||||
char getch(void);
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||||
void getNch(uint8_t);
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||||
void byte_response(uint8_t);
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||||
void nothing_response(void);
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char gethex(void);
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void puthex(char);
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||||
void flash_led(uint8_t);
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||||
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||||
/* some variables */
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||||
union address_union
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{
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uint16_t word;
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uint8_t byte[2];
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} address;
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||||
union length_union
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{
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uint16_t word;
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uint8_t byte[2];
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} length;
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|
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struct flags_struct
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{
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unsigned eeprom : 1;
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unsigned rampz : 1;
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} flags;
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uint8_t buff[256];
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||||
uint8_t error_count = 0;
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uint8_t sreg;
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void (*app_start)(void) = 0x0000;
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/* main program starts here */
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int main(void)
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{
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uint8_t ch,ch2;
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uint16_t w;
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uint16_t i;
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asm volatile("nop\n\t");
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#ifdef ADABOOT // BBR/LF 10/8/2007 & 9/13/2008
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ch = MCUSR;
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MCUSR = 0;
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WDTCSR |= _BV(WDCE) | _BV(WDE);
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WDTCSR = 0;
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// Check if the WDT was used to reset, in which case we dont bootload and skip straight to the code. woot.
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if (! (ch & _BV(EXTRF))) // if its a not an external reset...
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app_start(); // skip bootloader
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#endif
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||||
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||||
//initialize our serial port.
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UBRR0L = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
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UBRR0H = (F_CPU/(BAUD_RATE*16L)-1) >> 8;
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UCSR0B = (1<<RXEN0) | (1<<TXEN0);
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UCSR0C = (1<<UCSZ00) | (1<<UCSZ01);
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/* Enable internal pull-up resistor on pin D0 (RX), in order
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to supress line noise that prevents the bootloader from
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timing out (DAM: 20070509) */
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DDRD &= ~_BV(PIND0);
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PORTD |= _BV(PIND0);
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/* set LED pin as output */
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LED_DDR |= _BV(LED);
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/* flash onboard LED to signal entering of bootloader */
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/* ADABOOT will do two series of flashes. first 4 - signifying ADABOOT */
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/* then a pause and another flash series signifying ADABOOT sub-version */
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flash_led(NUM_LED_FLASHES);
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#ifdef ADABOOT
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flash_led(ADABOOT_VER); // BBR 9/13/2008
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#endif
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/* forever loop */
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for (;;)
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{
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/* get character from UART */
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ch = getch();
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/* A bunch of if...else if... gives smaller code than switch...case ! */
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/* Hello is anyone home ? */
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if(ch=='0')
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nothing_response();
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/* Request programmer ID */
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/* Not using PROGMEM string due to boot block in m128 being beyond 64kB boundry */
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/* Would need to selectively manipulate RAMPZ, and it's only 9 characters anyway so who cares. */
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else if(ch=='1')
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{
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if (getch() == ' ')
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{
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putch(0x14);
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putch('A');
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putch('V');
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putch('R');
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putch(' ');
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putch('I');
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putch('S');
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putch('P');
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putch(0x10);
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}
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else
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{
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if (++error_count == MAX_ERROR_COUNT)
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app_start();
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}
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}
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/* AVR ISP/STK500 board commands DON'T CARE so default nothing_response */
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else if(ch=='@')
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{
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ch2 = getch();
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if (ch2 > 0x85)
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getch();
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nothing_response();
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}
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/* AVR ISP/STK500 board requests */
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else if(ch=='A')
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{
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ch2 = getch();
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if(ch2 == 0x80)
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byte_response(HW_VER); // Hardware version
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else if(ch2==0x81)
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byte_response(SW_MAJOR); // Software major version
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else if(ch2==0x82)
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byte_response(SW_MINOR); // Software minor version
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else if(ch2==0x98)
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byte_response(0x03); // Unknown but seems to be required by avr studio 3.56
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else
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byte_response(0x00); // Covers various unnecessary responses we don't care about
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}
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/* Device Parameters DON'T CARE, DEVICE IS FIXED */
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else if(ch=='B')
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{
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getNch(20);
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nothing_response();
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}
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/* Parallel programming stuff DON'T CARE */
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else if(ch=='E')
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{
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getNch(5);
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nothing_response();
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}
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/* Enter programming mode */
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else if(ch=='P')
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{
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nothing_response();
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}
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/* Leave programming mode */
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else if(ch=='Q')
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{
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nothing_response();
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#ifdef ADABOOT
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// autoreset via watchdog (sneaky!) BBR/LF 9/13/2008
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WDTCSR = _BV(WDE);
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while (1); // 16 ms
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#endif
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}
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/* Erase device, don't care as we will erase one page at a time anyway. */
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else if(ch=='R')
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{
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nothing_response();
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}
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||||
/* Set address, little endian. EEPROM in bytes, FLASH in words */
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/* Perhaps extra address bytes may be added in future to support > 128kB FLASH. */
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/* This might explain why little endian was used here, big endian used everywhere else. */
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else if(ch=='U')
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{
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address.byte[0] = getch();
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address.byte[1] = getch();
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nothing_response();
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}
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||||
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||||
|
||||
/* Universal SPI programming command, disabled. Would be used for fuses and lock bits. */
|
||||
else if(ch=='V')
|
||||
{
|
||||
getNch(4);
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||||
byte_response(0x00);
|
||||
}
|
||||
|
||||
|
||||
/* Write memory, length is big endian and is in bytes */
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||||
else if(ch=='d')
|
||||
{
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||||
length.byte[1] = getch();
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||||
length.byte[0] = getch();
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||||
|
||||
flags.eeprom = 0;
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||||
if (getch() == 'E')
|
||||
flags.eeprom = 1;
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||||
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||||
for (i=0; i<PAGE_SIZE; i++)
|
||||
buff[i] = 0;
|
||||
|
||||
for (w = 0; w < length.word; w++)
|
||||
{
|
||||
// Store data in buffer, can't keep up with serial data stream whilst programming pages
|
||||
buff[w] = getch();
|
||||
}
|
||||
|
||||
if (getch() == ' ')
|
||||
{
|
||||
if (flags.eeprom)
|
||||
{
|
||||
//Write to EEPROM one byte at a time
|
||||
for(w=0;w<length.word;w++)
|
||||
{
|
||||
while(EECR & (1<<EEPE));
|
||||
|
||||
EEAR = (uint16_t)(void *)address.word;
|
||||
EEDR = buff[w];
|
||||
EECR |= (1<<EEMPE);
|
||||
EECR |= (1<<EEPE);
|
||||
|
||||
address.word++;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
//address * 2 -> byte location
|
||||
address.word = address.word << 1;
|
||||
|
||||
//Even up an odd number of bytes
|
||||
if ((length.byte[0] & 0x01))
|
||||
length.word++;
|
||||
|
||||
// HACKME: EEPE used to be EEWE
|
||||
//Wait for previous EEPROM writes to complete
|
||||
//while(bit_is_set(EECR,EEPE));
|
||||
while(EECR & (1<<EEPE));
|
||||
|
||||
asm volatile(
|
||||
"clr r17 \n\t" //page_word_count
|
||||
"lds r30,address \n\t" //Address of FLASH location (in bytes)
|
||||
"lds r31,address+1 \n\t"
|
||||
"ldi r28,lo8(buff) \n\t" //Start of buffer array in RAM
|
||||
"ldi r29,hi8(buff) \n\t"
|
||||
"lds r24,length \n\t" //Length of data to be written (in bytes)
|
||||
"lds r25,length+1 \n\t"
|
||||
"length_loop: \n\t" //Main loop, repeat for number of words in block
|
||||
"cpi r17,0x00 \n\t" //If page_word_count=0 then erase page
|
||||
"brne no_page_erase \n\t"
|
||||
"wait_spm1: \n\t"
|
||||
"lds r16,%0 \n\t" //Wait for previous spm to complete
|
||||
"andi r16,1 \n\t"
|
||||
"cpi r16,1 \n\t"
|
||||
"breq wait_spm1 \n\t"
|
||||
"ldi r16,0x03 \n\t" //Erase page pointed to by Z
|
||||
"sts %0,r16 \n\t"
|
||||
"spm \n\t"
|
||||
"wait_spm2: \n\t"
|
||||
"lds r16,%0 \n\t" //Wait for previous spm to complete
|
||||
"andi r16,1 \n\t"
|
||||
"cpi r16,1 \n\t"
|
||||
"breq wait_spm2 \n\t"
|
||||
|
||||
"ldi r16,0x11 \n\t" //Re-enable RWW section
|
||||
"sts %0,r16 \n\t"
|
||||
"spm \n\t"
|
||||
"no_page_erase: \n\t"
|
||||
"ld r0,Y+ \n\t" //Write 2 bytes into page buffer
|
||||
"ld r1,Y+ \n\t"
|
||||
|
||||
"wait_spm3: \n\t"
|
||||
"lds r16,%0 \n\t" //Wait for previous spm to complete
|
||||
"andi r16,1 \n\t"
|
||||
"cpi r16,1 \n\t"
|
||||
"breq wait_spm3 \n\t"
|
||||
"ldi r16,0x01 \n\t" //Load r0,r1 into FLASH page buffer
|
||||
"sts %0,r16 \n\t"
|
||||
"spm \n\t"
|
||||
|
||||
"inc r17 \n\t" //page_word_count++
|
||||
"cpi r17,%1 \n\t"
|
||||
"brlo same_page \n\t" //Still same page in FLASH
|
||||
"write_page: \n\t"
|
||||
"clr r17 \n\t" //New page, write current one first
|
||||
"wait_spm4: \n\t"
|
||||
"lds r16,%0 \n\t" //Wait for previous spm to complete
|
||||
"andi r16,1 \n\t"
|
||||
"cpi r16,1 \n\t"
|
||||
"breq wait_spm4 \n\t"
|
||||
"ldi r16,0x05 \n\t" //Write page pointed to by Z
|
||||
"sts %0,r16 \n\t"
|
||||
"spm \n\t"
|
||||
"wait_spm5: \n\t"
|
||||
"lds r16,%0 \n\t" //Wait for previous spm to complete
|
||||
"andi r16,1 \n\t"
|
||||
"cpi r16,1 \n\t"
|
||||
"breq wait_spm5 \n\t"
|
||||
"ldi r16,0x11 \n\t" //Re-enable RWW section
|
||||
"sts %0,r16 \n\t"
|
||||
"spm \n\t"
|
||||
"same_page: \n\t"
|
||||
"adiw r30,2 \n\t" //Next word in FLASH
|
||||
"sbiw r24,2 \n\t" //length-2
|
||||
"breq final_write \n\t" //Finished
|
||||
"rjmp length_loop \n\t"
|
||||
"final_write: \n\t"
|
||||
"cpi r17,0 \n\t"
|
||||
"breq block_done \n\t"
|
||||
"adiw r24,2 \n\t" //length+2, fool above check on length after short page write
|
||||
"rjmp write_page \n\t"
|
||||
"block_done: \n\t"
|
||||
"clr __zero_reg__ \n\t" //restore zero register
|
||||
: "=m" (SPMCSR) : "M" (PAGE_SIZE) : "r0","r16","r17","r24","r25","r28","r29","r30","r31"
|
||||
|
||||
);
|
||||
}
|
||||
putch(0x14);
|
||||
putch(0x10);
|
||||
}
|
||||
else
|
||||
{
|
||||
if (++error_count == MAX_ERROR_COUNT)
|
||||
app_start();
|
||||
}
|
||||
}
|
||||
|
||||
/* Read memory block mode, length is big endian. */
|
||||
else if(ch=='t')
|
||||
{
|
||||
length.byte[1] = getch();
|
||||
length.byte[0] = getch();
|
||||
|
||||
if (getch() == 'E')
|
||||
flags.eeprom = 1;
|
||||
else
|
||||
{
|
||||
flags.eeprom = 0;
|
||||
address.word = address.word << 1; // address * 2 -> byte location
|
||||
}
|
||||
|
||||
// Command terminator
|
||||
if (getch() == ' ')
|
||||
{
|
||||
putch(0x14);
|
||||
for (w=0; w<length.word; w++)
|
||||
{
|
||||
// Can handle odd and even lengths okay
|
||||
if (flags.eeprom)
|
||||
{
|
||||
// Byte access EEPROM read
|
||||
while(EECR & (1<<EEPE));
|
||||
EEAR = (uint16_t)(void *)address.word;
|
||||
EECR |= (1<<EERE);
|
||||
putch(EEDR);
|
||||
|
||||
address.word++;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (!flags.rampz)
|
||||
putch(pgm_read_byte_near(address.word));
|
||||
|
||||
address.word++;
|
||||
}
|
||||
}
|
||||
putch(0x10);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* Get device signature bytes */
|
||||
else if(ch=='u')
|
||||
{
|
||||
if (getch() == ' ')
|
||||
{
|
||||
putch(0x14);
|
||||
putch(SIG1);
|
||||
putch(SIG2);
|
||||
putch(SIG3);
|
||||
putch(0x10);
|
||||
}
|
||||
else
|
||||
{
|
||||
if (++error_count == MAX_ERROR_COUNT)
|
||||
app_start();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* Read oscillator calibration byte */
|
||||
else if(ch=='v')
|
||||
byte_response(0x00);
|
||||
|
||||
else if (++error_count == MAX_ERROR_COUNT)
|
||||
app_start();
|
||||
|
||||
}
|
||||
/* end of forever loop */
|
||||
}
|
||||
|
||||
|
||||
char gethex(void)
|
||||
{
|
||||
char ah,al;
|
||||
|
||||
ah = getch();
|
||||
putch(ah);
|
||||
al = getch();
|
||||
putch(al);
|
||||
|
||||
if(ah >= 'a')
|
||||
ah = ah - 'a' + 0x0a;
|
||||
else if(ah >= '0')
|
||||
ah -= '0';
|
||||
if(al >= 'a')
|
||||
al = al - 'a' + 0x0a;
|
||||
else if(al >= '0')
|
||||
al -= '0';
|
||||
|
||||
return (ah << 4) + al;
|
||||
}
|
||||
|
||||
|
||||
void puthex(char ch)
|
||||
{
|
||||
char ah,al;
|
||||
|
||||
ah = (ch & 0xf0) >> 4;
|
||||
if(ah >= 0x0a)
|
||||
ah = ah - 0x0a + 'a';
|
||||
else
|
||||
ah += '0';
|
||||
|
||||
al = (ch & 0x0f);
|
||||
if(al >= 0x0a)
|
||||
al = al - 0x0a + 'a';
|
||||
else
|
||||
al += '0';
|
||||
|
||||
putch(ah);
|
||||
putch(al);
|
||||
}
|
||||
|
||||
|
||||
void putch(char ch)
|
||||
{
|
||||
while (!(UCSR0A & _BV(UDRE0)));
|
||||
UDR0 = ch;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
char getch(void)
|
||||
{
|
||||
uint32_t count = 0;
|
||||
|
||||
#ifdef ADABOOT
|
||||
LED_PORT &= ~_BV(LED); // toggle LED to show activity - BBR/LF 10/3/2007 & 9/13/2008
|
||||
#endif
|
||||
|
||||
while(!(UCSR0A & _BV(RXC0)))
|
||||
{
|
||||
/* 20060803 DojoCorp:: Addon coming from the previous Bootloader*/
|
||||
/* HACKME:: here is a good place to count times*/
|
||||
count++;
|
||||
if (count > MAX_TIME_COUNT)
|
||||
app_start();
|
||||
}
|
||||
|
||||
#ifdef ADABOOT
|
||||
LED_PORT |= _BV(LED); // toggle LED to show activity - BBR/LF 10/3/2007 & 9/13/2008
|
||||
#endif
|
||||
|
||||
return UDR0;
|
||||
}
|
||||
|
||||
|
||||
void getNch(uint8_t count)
|
||||
{
|
||||
uint8_t i;
|
||||
for(i=0;i<count;i++)
|
||||
{
|
||||
while(!(UCSR0A & _BV(RXC0)));
|
||||
UDR0;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void byte_response(uint8_t val)
|
||||
{
|
||||
if (getch() == ' ')
|
||||
{
|
||||
putch(0x14);
|
||||
putch(val);
|
||||
putch(0x10);
|
||||
}
|
||||
else
|
||||
{
|
||||
if (++error_count == MAX_ERROR_COUNT)
|
||||
app_start();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void nothing_response(void)
|
||||
{
|
||||
if (getch() == ' ')
|
||||
{
|
||||
putch(0x14);
|
||||
putch(0x10);
|
||||
}
|
||||
else
|
||||
{
|
||||
if (++error_count == MAX_ERROR_COUNT)
|
||||
app_start();
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef ADABOOT
|
||||
|
||||
void flash_led(uint8_t count)
|
||||
{
|
||||
/* flash onboard LED count times to signal entering of bootloader */
|
||||
/* l needs to be volatile or the delay loops below might get */
|
||||
/* optimized away if compiling with optimizations (DAM). */
|
||||
|
||||
volatile uint32_t l;
|
||||
|
||||
if (count == 0) {
|
||||
count = ADABOOT;
|
||||
}
|
||||
|
||||
|
||||
int8_t i;
|
||||
for (i = 0; i < count; ++i) {
|
||||
LED_PORT |= _BV(LED); // LED on
|
||||
for(l = 0; l < (F_CPU / 1000); ++l); // delay NGvalue was 1000 for both loops - BBR
|
||||
LED_PORT &= ~_BV(LED); // LED off
|
||||
for(l = 0; l < (F_CPU / 250); ++l); // delay asymmteric for ADA BOOT BBR
|
||||
}
|
||||
|
||||
for(l = 0; l < (F_CPU / 100); ++l); // pause ADA BOOT BBR
|
||||
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
void flash_led(uint8_t count)
|
||||
{
|
||||
/* flash onboard LED three times to signal entering of bootloader */
|
||||
/* l needs to be volatile or the delay loops below might get
|
||||
optimized away if compiling with optimizations (DAM). */
|
||||
volatile uint32_t l;
|
||||
|
||||
if (count == 0) {
|
||||
count = 3;
|
||||
}
|
||||
|
||||
int8_t i;
|
||||
for (i = 0; i < count; ++i) {
|
||||
LED_PORT |= _BV(LED);
|
||||
for(l = 0; l < (F_CPU / 1000); ++l);
|
||||
LED_PORT &= ~_BV(LED);
|
||||
for(l = 0; l < (F_CPU / 1000); ++l);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
/* end of file ATmegaBOOT.c */
|
Reference in New Issue
Block a user