Moving bootloaders into the hardware/bootloaders directory.
This commit is contained in:
David A. Mellis
parent
9e48dfc4fd
commit
b9d55056c0
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@ -0,0 +1,979 @@
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/**********************************************************/
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/* Serial Bootloader for Atmel megaAVR Controllers */
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/* */
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/* tested with ATmega8, ATmega128 and ATmega168 */
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/* 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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/* 20070626: hacked for Arduino Diecimila (which auto- */
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/* resets when a USB connection is made to it) */
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/* by D. Mellis */
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/* 20060802: hacked for Arduino by D. Cuartielles */
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/* based on a previous hack by D. Mellis */
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/* 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 */
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/* 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 */
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/* PARTICULAR PURPOSE. See the GNU General Public */
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/* License for more details. */
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/* */
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/* You should have received a copy of the GNU General */
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/* 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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/* the current avr-libc eeprom functions do not support the ATmega168 */
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/* own eeprom write/read functions are used instead */
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#ifndef __AVR_ATmega168__
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#include <avr/eeprom.h>
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#endif
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/* Use the F_CPU defined in Makefile */
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/* 20060803: hacked by DojoCorp */
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/* 20070626: hacked by David A. Mellis to decrease waiting time for auto-reset */
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/* set the waiting time for the bootloader */
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/* get this from the Makefile instead */
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/* #define MAX_TIME_COUNT (F_CPU>>4) */
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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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/* 20060803: hacked by DojoCorp */
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//#define BAUD_RATE 115200
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#define BAUD_RATE 19200
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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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/* Adjust to suit whatever pin your hardware uses to enter the bootloader */
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/* ATmega128 has two UARTS so two pins are used to enter bootloader and select UART */
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/* BL0... means UART0, BL1... means UART1 */
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#ifdef __AVR_ATmega128__
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#define BL_DDR DDRF
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#define BL_PORT PORTF
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#define BL_PIN PINF
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#define BL0 PINF7
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#define BL1 PINF6
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#else
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/* other ATmegas have only one UART, so only one pin is defined to enter bootloader */
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#define BL_DDR DDRD
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#define BL_PORT PORTD
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#define BL_PIN PIND
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#define BL PIND6
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#endif
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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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#ifdef __AVR_ATmega128__
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/* Onboard LED is connected to pin PB7 (e.g. Crumb128, PROBOmega128, Savvy128) */
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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 PINB7
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#else
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/* Onboard LED is connected to pin PB2 (e.g. Crumb8, Crumb168) */
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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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/* 20060803: hacked by DojoCorp, LED pin is B5 in Arduino */
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/* #define LED PINB2 */
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#define LED PINB5
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#endif
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/* monitor functions will only be compiled when using ATmega128, due to bootblock size constraints */
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#ifdef __AVR_ATmega128__
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#define MONITOR
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#endif
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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_ATmega128__
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#define SIG2 0x97
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#define SIG3 0x02
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#define PAGE_SIZE 0x80U //128 words
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#elif defined __AVR_ATmega64__
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#define SIG2 0x96
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#define SIG3 0x02
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#define PAGE_SIZE 0x80U //128 words
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#elif defined __AVR_ATmega32__
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#define SIG2 0x95
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#define SIG3 0x02
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#define PAGE_SIZE 0x40U //64 words
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#elif defined __AVR_ATmega16__
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#define SIG2 0x94
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#define SIG3 0x03
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#define PAGE_SIZE 0x40U //64 words
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#elif defined __AVR_ATmega8__
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#define SIG2 0x93
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#define SIG3 0x07
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#define PAGE_SIZE 0x20U //32 words
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#elif defined __AVR_ATmega88__
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#define SIG2 0x93
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#define SIG3 0x0a
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#define PAGE_SIZE 0x20U //32 words
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#elif defined __AVR_ATmega168__
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#define SIG2 0x94
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#define SIG3 0x06
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#define PAGE_SIZE 0x40U //64 words
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#elif defined __AVR_ATmega162__
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#define SIG2 0x94
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#define SIG3 0x04
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#define PAGE_SIZE 0x40U //64 words
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#elif defined __AVR_ATmega163__
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#define SIG2 0x94
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#define SIG3 0x02
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#define PAGE_SIZE 0x40U //64 words
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#elif defined __AVR_ATmega169__
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#define SIG2 0x94
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#define SIG3 0x05
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#define PAGE_SIZE 0x40U //64 words
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#elif defined __AVR_ATmega8515__
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#define SIG2 0x93
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#define SIG3 0x06
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#define PAGE_SIZE 0x20U //32 words
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#elif defined __AVR_ATmega8535__
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#define SIG2 0x93
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#define SIG3 0x08
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#define PAGE_SIZE 0x20U //32 words
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#endif
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/* function prototypes */
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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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/* some variables */
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union address_union {
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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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uint16_t word;
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uint8_t byte[2];
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} length;
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struct flags_struct {
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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 address_high;
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uint8_t pagesz=0x80;
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uint8_t i;
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uint8_t bootuart = 0;
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uint8_t error_count = 0;
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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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asm volatile("nop\n\t");
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/* set pin direction for bootloader pin and enable pullup */
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/* for ATmega128, two pins need to be initialized */
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#ifdef __AVR_ATmega128__
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BL_DDR &= ~_BV(BL0);
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BL_DDR &= ~_BV(BL1);
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BL_PORT |= _BV(BL0);
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BL_PORT |= _BV(BL1);
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#else
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/* We run the bootloader regardless of the state of this pin. Thus, don't
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put it in a different state than the other pins. --DAM, 070709
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BL_DDR &= ~_BV(BL);
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BL_PORT |= _BV(BL);
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*/
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#endif
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#ifdef __AVR_ATmega128__
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/* check which UART should be used for booting */
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if(bit_is_clear(BL_PIN, BL0)) {
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bootuart = 1;
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}
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else if(bit_is_clear(BL_PIN, BL1)) {
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bootuart = 2;
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}
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#endif
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/* check if flash is programmed already, if not start bootloader anyway */
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if(pgm_read_byte_near(0x0000) != 0xFF) {
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#ifdef __AVR_ATmega128__
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/* no UART was selected, start application */
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if(!bootuart) {
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app_start();
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}
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#else
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/* check if bootloader pin is set low */
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/* we don't start this part neither for the m8, nor m168 */
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//if(bit_is_set(BL_PIN, BL)) {
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// app_start();
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// }
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#endif
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}
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#ifdef __AVR_ATmega128__
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/* no bootuart was selected, default to uart 0 */
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if(!bootuart) {
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bootuart = 1;
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}
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#endif
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/* initialize UART(s) depending on CPU defined */
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#ifdef __AVR_ATmega128__
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if(bootuart == 1) {
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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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UCSR0A = 0x00;
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UCSR0C = 0x06;
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UCSR0B = _BV(TXEN0)|_BV(RXEN0);
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}
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if(bootuart == 2) {
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UBRR1L = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
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UBRR1H = (F_CPU/(BAUD_RATE*16L)-1) >> 8;
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UCSR1A = 0x00;
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UCSR1C = 0x06;
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UCSR1B = _BV(TXEN1)|_BV(RXEN1);
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}
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#elif defined __AVR_ATmega163__
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UBRR = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
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UBRRHI = (F_CPU/(BAUD_RATE*16L)-1) >> 8;
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UCSRA = 0x00;
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UCSRB = _BV(TXEN)|_BV(RXEN);
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#elif defined __AVR_ATmega168__
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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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#elif defined __AVR_ATmega8__
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/* m8 */
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UBRRH = (((F_CPU/BAUD_RATE)/16)-1)>>8; // set baud rate
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UBRRL = (((F_CPU/BAUD_RATE)/16)-1);
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UCSRB = (1<<RXEN)|(1<<TXEN); // enable Rx & Tx
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UCSRC = (1<<URSEL)|(1<<UCSZ1)|(1<<UCSZ0); // config USART; 8N1
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#else
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/* m16,m32,m169,m8515,m8535 */
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UBRRL = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
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UBRRH = (F_CPU/(BAUD_RATE*16L)-1) >> 8;
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UCSRA = 0x00;
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UCSRC = 0x06;
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UCSRB = _BV(TXEN)|_BV(RXEN);
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#endif
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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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#ifdef __AVR_ATmega128__
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// 4x for UART0, 5x for UART1
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flash_led(NUM_LED_FLASHES + bootuart);
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#else
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flash_led(NUM_LED_FLASHES);
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#endif
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/* 20050803: by DojoCorp, this is one of the parts provoking the
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system to stop listening, cancelled from the original */
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//putch('\0');
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/* forever loop */
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for (;;) {
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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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}
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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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if (getch() == ' ') {
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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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} else {
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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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ch2 = getch();
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if (ch2>0x85) 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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ch2 = getch();
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if(ch2==0x80) byte_response(HW_VER); // Hardware version
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else if(ch2==0x81) byte_response(SW_MAJOR); // Software major version
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else if(ch2==0x82) byte_response(SW_MINOR); // Software minor version
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else if(ch2==0x98) byte_response(0x03); // Unknown but seems to be required by avr studio 3.56
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else 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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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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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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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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nothing_response();
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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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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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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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/* Universal SPI programming command, disabled. Would be used for fuses and lock bits. */
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else if(ch=='V') {
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getNch(4);
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byte_response(0x00);
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}
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/* 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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for (w=0;w<length.word;w++) {
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buff[w] = getch(); // Store data in buffer, can't keep up with serial data stream whilst programming pages
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}
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if (getch() == ' ') {
|
||||
if (flags.eeprom) { //Write to EEPROM one byte at a time
|
||||
for(w=0;w<length.word;w++) {
|
||||
#ifdef __AVR_ATmega168__
|
||||
while(EECR & (1<<EEPE));
|
||||
EEAR = (uint16_t)(void *)address.word;
|
||||
EEDR = buff[w];
|
||||
EECR |= (1<<EEMPE);
|
||||
EECR |= (1<<EEPE);
|
||||
#else
|
||||
eeprom_write_byte((void *)address.word,buff[w]);
|
||||
#endif
|
||||
address.word++;
|
||||
}
|
||||
}
|
||||
else { //Write to FLASH one page at a time
|
||||
if (address.byte[1]>127) address_high = 0x01; //Only possible with m128, m256 will need 3rd address byte. FIXME
|
||||
else address_high = 0x00;
|
||||
#ifdef __AVR_ATmega128__
|
||||
RAMPZ = address_high;
|
||||
#endif
|
||||
address.word = address.word << 1; //address * 2 -> byte location
|
||||
/* if ((length.byte[0] & 0x01) == 0x01) length.word++; //Even up an odd number of bytes */
|
||||
if ((length.byte[0] & 0x01)) length.word++; //Even up an odd number of bytes
|
||||
cli(); //Disable interrupts, just to be sure
|
||||
// HACKME: EEPE used to be EEWE
|
||||
while(bit_is_set(EECR,EEPE)); //Wait for previous EEPROM writes to complete
|
||||
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"
|
||||
#ifdef __AVR_ATmega163__
|
||||
".word 0xFFFF \n\t"
|
||||
"nop \n\t"
|
||||
#endif
|
||||
"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"
|
||||
#ifdef __AVR_ATmega163__
|
||||
".word 0xFFFF \n\t"
|
||||
"nop \n\t"
|
||||
#endif
|
||||
"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"
|
||||
#ifdef __AVR_ATmega163__
|
||||
"andi r30,0x80 \n\t" // m163 requires Z6:Z1 to be zero during page write
|
||||
#endif
|
||||
"ldi r16,0x05 \n\t" //Write page pointed to by Z
|
||||
"sts %0,r16 \n\t"
|
||||
"spm \n\t"
|
||||
#ifdef __AVR_ATmega163__
|
||||
".word 0xFFFF \n\t"
|
||||
"nop \n\t"
|
||||
"ori r30,0x7E \n\t" // recover Z6:Z1 state after page write (had to be zero during write)
|
||||
#endif
|
||||
"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"
|
||||
#ifdef __AVR_ATmega163__
|
||||
".word 0xFFFF \n\t"
|
||||
"nop \n\t"
|
||||
#endif
|
||||
"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
|
||||
#if defined __AVR_ATmega168__
|
||||
: "=m" (SPMCSR) : "M" (PAGE_SIZE) : "r0","r16","r17","r24","r25","r28","r29","r30","r31"
|
||||
#else
|
||||
: "=m" (SPMCR) : "M" (PAGE_SIZE) : "r0","r16","r17","r24","r25","r28","r29","r30","r31"
|
||||
#endif
|
||||
);
|
||||
/* Should really add a wait for RWW section to be enabled, don't actually need it since we never */
|
||||
/* exit the bootloader without a power cycle anyhow */
|
||||
}
|
||||
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 defined __AVR_ATmega128__
|
||||
if (address.word>0x7FFF) flags.rampz = 1; // No go with m256, FIXME
|
||||
else flags.rampz = 0;
|
||||
#endif
|
||||
if (getch() == 'E') flags.eeprom = 1;
|
||||
else {
|
||||
flags.eeprom = 0;
|
||||
address.word = address.word << 1; // address * 2 -> byte location
|
||||
}
|
||||
if (getch() == ' ') { // Command terminator
|
||||
putch(0x14);
|
||||
for (w=0;w < length.word;w++) { // Can handle odd and even lengths okay
|
||||
if (flags.eeprom) { // Byte access EEPROM read
|
||||
#ifdef __AVR_ATmega168__
|
||||
while(EECR & (1<<EEPE));
|
||||
EEAR = (uint16_t)(void *)address.word;
|
||||
EECR |= (1<<EERE);
|
||||
putch(EEDR);
|
||||
#else
|
||||
putch(eeprom_read_byte((void *)address.word));
|
||||
#endif
|
||||
address.word++;
|
||||
}
|
||||
else {
|
||||
|
||||
if (!flags.rampz) putch(pgm_read_byte_near(address.word));
|
||||
#if defined __AVR_ATmega128__
|
||||
else putch(pgm_read_byte_far(address.word + 0x10000));
|
||||
// Hmmmm, yuck FIXME when m256 arrvies
|
||||
#endif
|
||||
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);
|
||||
}
|
||||
|
||||
|
||||
#ifdef MONITOR
|
||||
|
||||
/* here come the extended monitor commands by Erik Lins */
|
||||
|
||||
/* check for three times exclamation mark pressed */
|
||||
else if(ch=='!') {
|
||||
ch = getch();
|
||||
if(ch=='!') {
|
||||
ch = getch();
|
||||
if(ch=='!') {
|
||||
|
||||
#ifdef __AVR_ATmega128__
|
||||
uint16_t extaddr;
|
||||
#endif
|
||||
uint8_t addrl, addrh;
|
||||
|
||||
#ifdef CRUMB128
|
||||
PGM_P welcome = {"ATmegaBOOT / Crumb128 - (C) J.P.Kyle, E.Lins - 050815\n\r"};
|
||||
#elif defined PROBOMEGA128
|
||||
PGM_P welcome = {"ATmegaBOOT / PROBOmega128 - (C) J.P.Kyle, E.Lins - 050815\n\r"};
|
||||
#elif defined SAVVY128
|
||||
PGM_P welcome = {"ATmegaBOOT / Savvy128 - (C) J.P.Kyle, E.Lins - 050815\n\r"};
|
||||
#endif
|
||||
|
||||
/* turn on LED */
|
||||
LED_DDR |= _BV(LED);
|
||||
LED_PORT &= ~_BV(LED);
|
||||
|
||||
/* print a welcome message and command overview */
|
||||
for(i=0; welcome[i] != '\0'; ++i) {
|
||||
putch(welcome[i]);
|
||||
}
|
||||
|
||||
/* test for valid commands */
|
||||
for(;;) {
|
||||
putch('\n');
|
||||
putch('\r');
|
||||
putch(':');
|
||||
putch(' ');
|
||||
|
||||
ch = getch();
|
||||
putch(ch);
|
||||
|
||||
/* toggle LED */
|
||||
if(ch == 't') {
|
||||
if(bit_is_set(LED_PIN,LED)) {
|
||||
LED_PORT &= ~_BV(LED);
|
||||
putch('1');
|
||||
} else {
|
||||
LED_PORT |= _BV(LED);
|
||||
putch('0');
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/* read byte from address */
|
||||
else if(ch == 'r') {
|
||||
ch = getch(); putch(ch);
|
||||
addrh = gethex();
|
||||
addrl = gethex();
|
||||
putch('=');
|
||||
ch = *(uint8_t *)((addrh << 8) + addrl);
|
||||
puthex(ch);
|
||||
}
|
||||
|
||||
/* write a byte to address */
|
||||
else if(ch == 'w') {
|
||||
ch = getch(); putch(ch);
|
||||
addrh = gethex();
|
||||
addrl = gethex();
|
||||
ch = getch(); putch(ch);
|
||||
ch = gethex();
|
||||
*(uint8_t *)((addrh << 8) + addrl) = ch;
|
||||
|
||||
}
|
||||
|
||||
/* read from uart and echo back */
|
||||
else if(ch == 'u') {
|
||||
for(;;) {
|
||||
putch(getch());
|
||||
}
|
||||
}
|
||||
#ifdef __AVR_ATmega128__
|
||||
/* external bus loop */
|
||||
else if(ch == 'b') {
|
||||
putch('b');
|
||||
putch('u');
|
||||
putch('s');
|
||||
MCUCR = 0x80;
|
||||
XMCRA = 0;
|
||||
XMCRB = 0;
|
||||
extaddr = 0x1100;
|
||||
for(;;) {
|
||||
ch = *(volatile uint8_t *)extaddr;
|
||||
if(++extaddr == 0) {
|
||||
extaddr = 0x1100;
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
else if(ch == 'j') {
|
||||
app_start();
|
||||
}
|
||||
|
||||
}
|
||||
/* end of monitor functions */
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
/* end of monitor */
|
||||
#endif
|
||||
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)
|
||||
{
|
||||
#ifdef __AVR_ATmega128__
|
||||
if(bootuart == 1) {
|
||||
while (!(UCSR0A & _BV(UDRE0)));
|
||||
UDR0 = ch;
|
||||
}
|
||||
else if (bootuart == 2) {
|
||||
while (!(UCSR1A & _BV(UDRE1)));
|
||||
UDR1 = ch;
|
||||
}
|
||||
#elif defined __AVR_ATmega168__
|
||||
while (!(UCSR0A & _BV(UDRE0)));
|
||||
UDR0 = ch;
|
||||
#else
|
||||
/* m8,16,32,169,8515,8535,163 */
|
||||
while (!(UCSRA & _BV(UDRE)));
|
||||
UDR = ch;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
char getch(void)
|
||||
{
|
||||
#ifdef __AVR_ATmega128__
|
||||
if(bootuart == 1) {
|
||||
while(!(UCSR0A & _BV(RXC0)));
|
||||
return UDR0;
|
||||
}
|
||||
else if(bootuart == 2) {
|
||||
while(!(UCSR1A & _BV(RXC1)));
|
||||
return UDR1;
|
||||
}
|
||||
return 0;
|
||||
#elif defined __AVR_ATmega168__
|
||||
uint32_t count = 0;
|
||||
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();
|
||||
}
|
||||
return UDR0;
|
||||
#else
|
||||
/* m8,16,32,169,8515,8535,163 */
|
||||
uint32_t count = 0;
|
||||
while(!(UCSRA & _BV(RXC))){
|
||||
/* 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();
|
||||
}
|
||||
return UDR;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
void getNch(uint8_t count)
|
||||
{
|
||||
uint8_t i;
|
||||
for(i=0;i<count;i++) {
|
||||
#ifdef __AVR_ATmega128__
|
||||
if(bootuart == 1) {
|
||||
while(!(UCSR0A & _BV(RXC0)));
|
||||
UDR0;
|
||||
}
|
||||
else if(bootuart == 2) {
|
||||
while(!(UCSR1A & _BV(RXC1)));
|
||||
UDR1;
|
||||
}
|
||||
#elif defined __AVR_ATmega168__
|
||||
while(!(UCSR0A & _BV(RXC0)));
|
||||
UDR0;
|
||||
#else
|
||||
/* m8,16,32,169,8515,8535,163 */
|
||||
/* 20060803 DojoCorp:: Addon coming from the previous Bootloader*/
|
||||
//while(!(UCSRA & _BV(RXC)));
|
||||
//UDR;
|
||||
uint8_t i;
|
||||
for(i=0;i<count;i++) {
|
||||
getch(); // need to handle time out
|
||||
}
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
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();
|
||||
}
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* end of file ATmegaBOOT.c */
|
||||
|
|
@ -0,0 +1,117 @@
|
|||
:103800000C94341C0C944F1C0C944F1C0C944F1CA7
|
||||
:103810000C944F1C0C944F1C0C944F1C0C944F1C7C
|
||||
:103820000C944F1C0C944F1C0C944F1C0C944F1C6C
|
||||
:103830000C944F1C0C944F1C0C944F1C0C944F1C5C
|
||||
:103840000C944F1C0C944F1C0C944F1C0C944F1C4C
|
||||
:103850000C944F1C0C944F1C0C944F1C0C944F1C3C
|
||||
:103860000C944F1C0C944F1C11241FBECFEFD4E0BE
|
||||
:10387000DEBFCDBF11E0A0E0B1E0E8E1FFE302C0B0
|
||||
:1038800005900D92A230B107D9F712E0A2E0B1E0A5
|
||||
:1038900001C01D92AD30B107E1F70C94311D0C94BD
|
||||
:1038A000001CCF93DF93CDB7DEB724970FB6F89403
|
||||
:1038B000DEBF0FBECDBF382F882309F433E010924E
|
||||
:1038C0000A02332309F44BC020E02D9A19821A8290
|
||||
:1038D0001B821C8289819A81AB81BC8180589E4366
|
||||
:1038E000A040B040A0F489819A81AB81BC8101964F
|
||||
:1038F000A11DB11D89839A83AB83BC8389819A8181
|
||||
:10390000AB81BC8180589E43A040B04060F32D98AD
|
||||
:1039100019821A821B821C8289819A81AB81BC81A7
|
||||
:1039200080589E43A040B040A0F489819A81AB8129
|
||||
:10393000BC810196A11DB11D89839A83AB83BC8391
|
||||
:1039400089819A81AB81BC8180589E43A040B04060
|
||||
:1039500060F32F5F231708F4B8CF20930A02249650
|
||||
:103960000FB6F894DEBF0FBECDBFDF91CF910895A3
|
||||
:10397000EF92FF920F931F93EE24FF248701809113
|
||||
:10398000C00087FD17C00894E11CF11C011D111D2A
|
||||
:1039900081E4E81682E4F8068FE0080780E0180763
|
||||
:1039A00070F3E0910201F091030109958091C0004C
|
||||
:1039B00087FFE9CF8091C600992787FD90951F91D9
|
||||
:1039C0000F91FF90EF900895982F8091C00085FF90
|
||||
:1039D000FCCF9093C60008950E94B81C803271F00D
|
||||
:1039E000809104018F5F80930401853009F0089570
|
||||
:1039F000E0910201F09103010995089584E10E948C
|
||||
:103A0000E41C80E10E94E41C08951F93182F0E947B
|
||||
:103A1000B81C803269F0809104018F5F80930401AB
|
||||
:103A2000853079F4E0910201F0910301099509C014
|
||||
:103A300084E10E94E41C812F0E94E41C80E10E942A
|
||||
:103A4000E41C1F910895282F882351F090E0809165
|
||||
:103A5000C00087FFFCCF8091C6009F5F2917B9F790
|
||||
:103A60000895CFEFD4E0DEBFCDBF000083E38093A5
|
||||
:103A7000C4001092C50088E18093C10086E0809365
|
||||
:103A8000C2005098589A259A81E00E94511C0E94C9
|
||||
:103A9000B81C8033B1F18133B9F1803409F454C0DA
|
||||
:103AA000813409F45AC0823409F469C0853409F4B8
|
||||
:103AB0006CC0803531F1813521F1823511F18535C8
|
||||
:103AC00009F4B2C0863509F4BAC0843609F463C07B
|
||||
:103AD000843709F4BBC0853709F40EC1863709F471
|
||||
:103AE0004AC0809104018F5F80930401853079F68C
|
||||
:103AF000E0910201F091030109950E94B81C803306
|
||||
:103B000051F60E94EC1CC3CF0E94B81C803249F7CA
|
||||
:103B100084E10E94E41C81E40E94E41C86E50E948A
|
||||
:103B2000E41C82E50E94E41C80E20E94E41C89E41B
|
||||
:103B30000E94E41C83E50E94E41C80E50E94E41CD2
|
||||
:103B400080E10E94E41CA3CF0E94B81C8638C8F212
|
||||
:103B50000E94B81C0E94EC1C9ACF0E94B81C8038AE
|
||||
:103B600009F4F7C0813809F4F8C0823809F4F9C0C3
|
||||
:103B7000883909F4BDC080E00E94051D88CF84E12A
|
||||
:103B80000E94231D0E94EC1C82CF85E00E94231D11
|
||||
:103B90000E94EC1C7CCF0E94B81C809309020E94FA
|
||||
:103BA000B81C8093080280910C028E7F80930C02D7
|
||||
:103BB0000E94B81C853409F4C6C080910802909117
|
||||
:103BC0000902892B09F0ADC00E94B81C803209F0AF
|
||||
:103BD00088CF80910C0280FFC8C08091080290912C
|
||||
:103BE00009020097D1F02091060130910701E8E029
|
||||
:103BF000F1E0AC014E0F5F1FF999FECF32BD21BD40
|
||||
:103C0000819180BDFA9AF99A2F5F3F4F4E175F0757
|
||||
:103C100099F7309307012093060184E10E94E41C88
|
||||
:103C200080E10E94E41C33CF0E94B81C80930601FF
|
||||
:103C30000E94B81C809307010E94EC1C28CF84E0EE
|
||||
:103C40000E94231D80E00E94051D21CF0E94B81C08
|
||||
:103C5000809309020E94B81C809308020E94B81C3D
|
||||
:103C6000853409F4F4C080910C028E7F80930C029D
|
||||
:103C70008091060190910701880F991F9093070189
|
||||
:103C8000809306010E94B81C803209F000CF84E1C5
|
||||
:103C90000E94E41C2091080230910902211531058F
|
||||
:103CA00019F1C0E0D0E0E0910601F09107018091A8
|
||||
:103CB0000C0280FFC4C0F999FECFF2BDE1BDF89AB5
|
||||
:103CC00080B50E94E41CE0910601F0910701319655
|
||||
:103CD000F0930701E0930601209108023091090258
|
||||
:103CE0002196C217D30718F380E10E94E41CCFCEBF
|
||||
:103CF00083E00E94051DCBCE0E94B81C803209F0E3
|
||||
:103D0000F0CE84E10E94E41C8EE10E94E41C84E970
|
||||
:103D10000E94E41C86E00E94E41C80E10E94E41CF6
|
||||
:103D2000B6CEC0E0D0E008E011E00E94B81CF80177
|
||||
:103D300081938F0121968091080290910902C81702
|
||||
:103D4000D90798F341CF80910C02816080930C02D7
|
||||
:103D500034CF82E00E94051D9ACE81E00E94051DAD
|
||||
:103D600096CE80E10E94051D92CE8091070187FDCD
|
||||
:103D700080C010920B028091060190910701880F7C
|
||||
:103D8000991F90930701809306018091080280FF9C
|
||||
:103D900009C080910802909109020196909309024E
|
||||
:103DA00080930802F894F999FECF1127E09106015B
|
||||
:103DB000F0910701C8E0D1E08091080290910902DA
|
||||
:103DC000103091F40091570001700130D9F303E0F5
|
||||
:103DD00000935700E8950091570001700130D9F326
|
||||
:103DE00001E100935700E895099019900091570060
|
||||
:103DF00001700130D9F301E000935700E895139565
|
||||
:103E0000103498F011270091570001700130D9F358
|
||||
:103E100005E000935700E8950091570001700130CC
|
||||
:103E2000D9F301E100935700E8953296029709F023
|
||||
:103E3000C7CF103011F00296E5CF1124EECE81FFEE
|
||||
:103E40000CC03196F0930701E093060149CF8091B1
|
||||
:103E50000C02816080930C0215CF84910E94E41CB7
|
||||
:103E60002091080230910902E0910601F0910701CA
|
||||
:103E7000E8CF81E080930B027ECF0F931F930E94C7
|
||||
:103E8000B81C182F0E94E41C0E94B81C082F0E9426
|
||||
:103E9000E41C11362CF0175501363CF0075508C0CC
|
||||
:103EA0001033D4F310530136CCF700330CF0005329
|
||||
:103EB0001295107F100F812F992787FD90951F91E4
|
||||
:103EC0000F9108951F93282F992787FD9095807F44
|
||||
:103ED00090709595879595958795959587959595E6
|
||||
:103EE00087958A304CF0982F995A822F8F708A309C
|
||||
:103EF0004CF0182F195A08C0982F905D822F8F70A0
|
||||
:103F00008A30BCF7182F105D892F0E94E41C812F86
|
||||
:083F10000E94E41C1F910895BA
|
||||
:023F1800800027
|
||||
:0400000300003800C1
|
||||
:00000001FF
|
||||
|
|
@ -0,0 +1,117 @@
|
|||
:103800000C94341C0C944F1C0C944F1C0C944F1CA7
|
||||
:103810000C944F1C0C944F1C0C944F1C0C944F1C7C
|
||||
:103820000C944F1C0C944F1C0C944F1C0C944F1C6C
|
||||
:103830000C944F1C0C944F1C0C944F1C0C944F1C5C
|
||||
:103840000C944F1C0C944F1C0C944F1C0C944F1C4C
|
||||
:103850000C944F1C0C944F1C0C944F1C0C944F1C3C
|
||||
:103860000C944F1C0C944F1C11241FBECFEFD4E0BE
|
||||
:10387000DEBFCDBF11E0A0E0B1E0E8E1FFE302C0B0
|
||||
:1038800005900D92A230B107D9F712E0A2E0B1E0A5
|
||||
:1038900001C01D92AD30B107E1F70C94311D0C94BD
|
||||
:1038A000001CCF93DF93CDB7DEB724970FB6F89403
|
||||
:1038B000DEBF0FBECDBF382F882309F433E010924E
|
||||
:1038C0000A02332309F44BC020E02D9A19821A8290
|
||||
:1038D0001B821C8289819A81AB81BC8180589E4366
|
||||
:1038E000A040B040A0F489819A81AB81BC8101964F
|
||||
:1038F000A11DB11D89839A83AB83BC8389819A8181
|
||||
:10390000AB81BC8180589E43A040B04060F32D98AD
|
||||
:1039100019821A821B821C8289819A81AB81BC81A7
|
||||
:1039200080589E43A040B040A0F489819A81AB8129
|
||||
:10393000BC810196A11DB11D89839A83AB83BC8391
|
||||
:1039400089819A81AB81BC8180589E43A040B04060
|
||||
:1039500060F32F5F231708F4B8CF20930A02249650
|
||||
:103960000FB6F894DEBF0FBECDBFDF91CF910895A3
|
||||
:10397000EF92FF920F931F93EE24FF248701809113
|
||||
:10398000C00087FD17C00894E11CF11C011D111D2A
|
||||
:1039900081E0E81682E1F8068AE7080780E0180768
|
||||
:1039A00070F3E0910201F091030109958091C0004C
|
||||
:1039B00087FFE9CF8091C600992787FD90951F91D9
|
||||
:1039C0000F91FF90EF900895982F8091C00085FF90
|
||||
:1039D000FCCF9093C60008950E94B81C803271F00D
|
||||
:1039E000809104018F5F80930401853009F0089570
|
||||
:1039F000E0910201F09103010995089584E10E948C
|
||||
:103A0000E41C80E10E94E41C08951F93182F0E947B
|
||||
:103A1000B81C803269F0809104018F5F80930401AB
|
||||
:103A2000853079F4E0910201F0910301099509C014
|
||||
:103A300084E10E94E41C812F0E94E41C80E10E942A
|
||||
:103A4000E41C1F910895282F882351F090E0809165
|
||||
:103A5000C00087FFFCCF8091C6009F5F2917B9F790
|
||||
:103A60000895CFEFD4E0DEBFCDBF000083E38093A5
|
||||
:103A7000C4001092C50088E18093C10086E0809365
|
||||
:103A8000C2005098589A259A83E00E94511C0E94C7
|
||||
:103A9000B81C8033B1F18133B9F1803409F454C0DA
|
||||
:103AA000813409F45AC0823409F469C0853409F4B8
|
||||
:103AB0006CC0803531F1813521F1823511F18535C8
|
||||
:103AC00009F4B2C0863509F4BAC0843609F463C07B
|
||||
:103AD000843709F4BBC0853709F40EC1863709F471
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
:103B7000883909F4BDC080E00E94051D88CF84E12A
|
||||
:103B80000E94231D0E94EC1C82CF85E00E94231D11
|
||||
:103B90000E94EC1C7CCF0E94B81C809309020E94FA
|
||||
:103BA000B81C8093080280910C028E7F80930C02D7
|
||||
:103BB0000E94B81C853409F4C6C080910802909117
|
||||
:103BC0000902892B09F0ADC00E94B81C803209F0AF
|
||||
:103BD00088CF80910C0280FFC8C08091080290912C
|
||||
:103BE00009020097D1F02091060130910701E8E029
|
||||
:103BF000F1E0AC014E0F5F1FF999FECF32BD21BD40
|
||||
:103C0000819180BDFA9AF99A2F5F3F4F4E175F0757
|
||||
:103C100099F7309307012093060184E10E94E41C88
|
||||
:103C200080E10E94E41C33CF0E94B81C80930601FF
|
||||
:103C30000E94B81C809307010E94EC1C28CF84E0EE
|
||||
:103C40000E94231D80E00E94051D21CF0E94B81C08
|
||||
:103C5000809309020E94B81C809308020E94B81C3D
|
||||
:103C6000853409F4F4C080910C028E7F80930C029D
|
||||
:103C70008091060190910701880F991F9093070189
|
||||
:103C8000809306010E94B81C803209F000CF84E1C5
|
||||
:103C90000E94E41C2091080230910902211531058F
|
||||
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|
||||
:103CB0000C0280FFC4C0F999FECFF2BDE1BDF89AB5
|
||||
:103CC00080B50E94E41CE0910601F0910701319655
|
||||
:103CD000F0930701E0930601209108023091090258
|
||||
:103CE0002196C217D30718F380E10E94E41CCFCEBF
|
||||
:103CF00083E00E94051DCBCE0E94B81C803209F0E3
|
||||
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|
||||
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|
||||
:103D2000B6CEC0E0D0E008E011E00E94B81CF80177
|
||||
:103D300081938F0121968091080290910902C81702
|
||||
:103D4000D90798F341CF80910C02816080930C02D7
|
||||
:103D500034CF82E00E94051D9ACE81E00E94051DAD
|
||||
:103D600096CE80E10E94051D92CE8091070187FDCD
|
||||
:103D700080C010920B028091060190910701880F7C
|
||||
:103D8000991F90930701809306018091080280FF9C
|
||||
:103D900009C080910802909109020196909309024E
|
||||
:103DA00080930802F894F999FECF1127E09106015B
|
||||
:103DB000F0910701C8E0D1E08091080290910902DA
|
||||
:103DC000103091F40091570001700130D9F303E0F5
|
||||
:103DD00000935700E8950091570001700130D9F326
|
||||
:103DE00001E100935700E895099019900091570060
|
||||
:103DF00001700130D9F301E000935700E895139565
|
||||
:103E0000103498F011270091570001700130D9F358
|
||||
:103E100005E000935700E8950091570001700130CC
|
||||
:103E2000D9F301E100935700E8953296029709F023
|
||||
:103E3000C7CF103011F00296E5CF1124EECE81FFEE
|
||||
:103E40000CC03196F0930701E093060149CF8091B1
|
||||
:103E50000C02816080930C0215CF84910E94E41CB7
|
||||
:103E60002091080230910902E0910601F0910701CA
|
||||
:103E7000E8CF81E080930B027ECF0F931F930E94C7
|
||||
:103E8000B81C182F0E94E41C0E94B81C082F0E9426
|
||||
:103E9000E41C11362CF0175501363CF0075508C0CC
|
||||
:103EA0001033D4F310530136CCF700330CF0005329
|
||||
:103EB0001295107F100F812F992787FD90951F91E4
|
||||
:103EC0000F9108951F93282F992787FD9095807F44
|
||||
:103ED00090709595879595958795959587959595E6
|
||||
:103EE00087958A304CF0982F995A822F8F708A309C
|
||||
:103EF0004CF0182F195A08C0982F905D822F8F70A0
|
||||
:103F00008A30BCF7182F105D892F0E94E41C812F86
|
||||
:083F10000E94E41C1F910895BA
|
||||
:023F1800800027
|
||||
:0400000300003800C1
|
||||
:00000001FF
|
||||
|
|
@ -0,0 +1,92 @@
|
|||
# Makefile for ATmegaBOOT
|
||||
# E.Lins, 18.7.2005
|
||||
# $Id$
|
||||
|
||||
# Instructions
|
||||
#
|
||||
# To build the bootloader for the Diecimila:
|
||||
# make diecimila
|
||||
#
|
||||
# To build the bootloader for the NG/Mini:
|
||||
# make ng
|
||||
#
|
||||
# To burn the bootloader:
|
||||
# make TARGET=diecimila isp
|
||||
# make TARGET=ng isp
|
||||
|
||||
# program name should not be changed...
|
||||
PROGRAM = ATmegaBOOT_168
|
||||
|
||||
# enter the target CPU frequency
|
||||
AVR_FREQ = 16000000L
|
||||
|
||||
# enter the parameters for the avrdude isp tool
|
||||
ISPTOOL = stk500v2
|
||||
ISPPORT = usb
|
||||
ISPSPEED = -b 115200
|
||||
|
||||
MCU_TARGET = atmega168
|
||||
LDSECTION = --section-start=.text=0x3800
|
||||
|
||||
# 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 0x0f (to
|
||||
# lock it), but since the high two bits of the lock byte are
|
||||
# unused, avrdude would get confused.
|
||||
ISPFUSES = avrdude -c $(ISPTOOL) -p m168 -P $(ISPPORT) $(ISPSPEED) -e -u -U lock:w:0x3f:m -U efuse:w:0x00:m -U hfuse:w:0xdd:m -U lfuse:w:0xff:m
|
||||
ISPFLASH = avrdude -c $(ISPTOOL) -p m168 -P $(ISPPORT) $(ISPSPEED) -U flash:w:$(PROGRAM)_$(TARGET).hex -U lock:w:0x0f:m
|
||||
|
||||
|
||||
OBJ = $(PROGRAM).o
|
||||
OPTIMIZE = -O2
|
||||
|
||||
DEFS =
|
||||
LIBS =
|
||||
|
||||
CC = avr-gcc
|
||||
|
||||
|
||||
# Override is only needed by avr-lib build system.
|
||||
|
||||
override CFLAGS = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) -DF_CPU=$(AVR_FREQ) $(DEFS)
|
||||
override LDFLAGS = -Wl,$(LDSECTION)
|
||||
#override LDFLAGS = -Wl,-Map,$(PROGRAM).map,$(LDSECTION)
|
||||
|
||||
OBJCOPY = avr-objcopy
|
||||
OBJDUMP = avr-objdump
|
||||
|
||||
all:
|
||||
|
||||
diecimila: TARGET = diecimila
|
||||
diecimila: CFLAGS += '-DMAX_TIME_COUNT=F_CPU>>4' '-DNUM_LED_FLASHES=1'
|
||||
diecimila: $(PROGRAM)_diecimila.hex
|
||||
|
||||
ng: TARGET = ng
|
||||
ng: CFLAGS += '-DMAX_TIME_COUNT=F_CPU>>1' '-DNUM_LED_FLASHES=3'
|
||||
ng: $(PROGRAM)_ng.hex
|
||||
|
||||
isp: $(PROGRAM)_$(TARGET).hex
|
||||
$(ISPFUSES)
|
||||
$(ISPFLASH)
|
||||
|
||||
%.elf: $(OBJ)
|
||||
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
|
||||
|
||||
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 -O ihex $< $@
|
||||
|
||||
%.srec: %.elf
|
||||
$(OBJCOPY) -j .text -j .data -O srec $< $@
|
||||
|
||||
%.bin: %.elf
|
||||
$(OBJCOPY) -j .text -j .data -O binary $< $@
|
||||
|
|
@ -0,0 +1,507 @@
|
|||
/**********************************************************/
|
||||
/* Serial Bootloader for Atmel mega8 AVR Controller */
|
||||
/* */
|
||||
/* ATmegaBOOT.c */
|
||||
/* */
|
||||
/* Copyright (c) 2003, Jason P. Kyle */
|
||||
/* */
|
||||
/* Hacked by DojoCorp - ZGZ - MMX - IVR */
|
||||
/* Hacked by David A. Mellis */
|
||||
/* */
|
||||
/* 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 */
|
||||
/* */
|
||||
/* Target = Atmel AVR m8 */
|
||||
/**********************************************************/
|
||||
|
||||
#include <inttypes.h>
|
||||
#include <avr/io.h>
|
||||
#include <avr/pgmspace.h>
|
||||
#include <avr/eeprom.h>
|
||||
#include <avr/interrupt.h>
|
||||
#include <avr/delay.h>
|
||||
|
||||
//#define F_CPU 16000000
|
||||
|
||||
/* We, Malmoitians, like slow interaction
|
||||
* therefore the slow baud rate ;-)
|
||||
*/
|
||||
//#define BAUD_RATE 9600
|
||||
|
||||
/* 6.000.000 is more or less 8 seconds at the
|
||||
* speed configured here
|
||||
*/
|
||||
//#define MAX_TIME_COUNT 6000000
|
||||
#define MAX_TIME_COUNT (F_CPU>>1)
|
||||
///#define MAX_TIME_COUNT_MORATORY 1600000
|
||||
|
||||
/* SW_MAJOR and MINOR needs to be updated from time to time to avoid warning message from AVR Studio */
|
||||
#define HW_VER 0x02
|
||||
#define SW_MAJOR 0x01
|
||||
#define SW_MINOR 0x12
|
||||
|
||||
// AVR-GCC compiler compatibility
|
||||
// avr-gcc compiler v3.1.x and older doesn't support outb() and inb()
|
||||
// if necessary, convert outb and inb to outp and inp
|
||||
#ifndef outb
|
||||
#define outb(sfr,val) (_SFR_BYTE(sfr) = (val))
|
||||
#endif
|
||||
#ifndef inb
|
||||
#define inb(sfr) _SFR_BYTE(sfr)
|
||||
#endif
|
||||
|
||||
/* defines for future compatibility */
|
||||
#ifndef cbi
|
||||
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
|
||||
#endif
|
||||
#ifndef sbi
|
||||
#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
|
||||
#endif
|
||||
|
||||
/* Adjust to suit whatever pin your hardware uses to enter the bootloader */
|
||||
#define eeprom_rb(addr) eeprom_read_byte ((uint8_t *)(addr))
|
||||
#define eeprom_rw(addr) eeprom_read_word ((uint16_t *)(addr))
|
||||
#define eeprom_wb(addr, val) eeprom_write_byte ((uint8_t *)(addr), (uint8_t)(val))
|
||||
|
||||
/* Onboard LED is connected to pin PB5 */
|
||||
#define LED_DDR DDRB
|
||||
#define LED_PORT PORTB
|
||||
#define LED_PIN PINB
|
||||
#define LED PINB5
|
||||
|
||||
|
||||
#define SIG1 0x1E // Yep, Atmel is the only manufacturer of AVR micros. Single source :(
|
||||
#define SIG2 0x93
|
||||
#define SIG3 0x07
|
||||
#define PAGE_SIZE 0x20U //32 words
|
||||
|
||||
|
||||
void putch(char);
|
||||
char getch(void);
|
||||
void getNch(uint8_t);
|
||||
void byte_response(uint8_t);
|
||||
void nothing_response(void);
|
||||
|
||||
union address_union {
|
||||
uint16_t word;
|
||||
uint8_t byte[2];
|
||||
} address;
|
||||
|
||||
union length_union {
|
||||
uint16_t word;
|
||||
uint8_t byte[2];
|
||||
} length;
|
||||
|
||||
struct flags_struct {
|
||||
unsigned eeprom : 1;
|
||||
unsigned rampz : 1;
|
||||
} flags;
|
||||
|
||||
uint8_t buff[256];
|
||||
//uint8_t address_high;
|
||||
|
||||
uint8_t pagesz=0x80;
|
||||
|
||||
uint8_t i;
|
||||
//uint8_t bootuart0=0,bootuart1=0;
|
||||
|
||||
|
||||
void (*app_start)(void) = 0x0000;
|
||||
|
||||
int main(void)
|
||||
{
|
||||
uint8_t ch,ch2;
|
||||
uint16_t w;
|
||||
|
||||
//cbi(BL_DDR,BL);
|
||||
//sbi(BL_PORT,BL);
|
||||
|
||||
asm volatile("nop\n\t");
|
||||
|
||||
/* check if flash is programmed already, if not start bootloader anyway */
|
||||
//if(pgm_read_byte_near(0x0000) != 0xFF) {
|
||||
|
||||
/* check if bootloader pin is set low */
|
||||
//if(bit_is_set(BL_PIN,BL)) app_start();
|
||||
//}
|
||||
|
||||
/* initialize UART(s) depending on CPU defined */
|
||||
/* m8 */
|
||||
UBRRH = (((F_CPU/BAUD_RATE)/16)-1)>>8; // set baud rate
|
||||
UBRRL = (((F_CPU/BAUD_RATE)/16)-1);
|
||||
UCSRB = (1<<RXEN)|(1<<TXEN); // enable Rx & Tx
|
||||
UCSRC = (1<<URSEL)|(1<<UCSZ1)|(1<<UCSZ0); // config USART; 8N1
|
||||
|
||||
//UBRRL = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);
|
||||
//UBRRH = (F_CPU/(BAUD_RATE*16L)-1) >> 8;
|
||||
//UCSRA = 0x00;
|
||||
//UCSRC = 0x86;
|
||||
//UCSRB = _BV(TXEN)|_BV(RXEN);
|
||||
|
||||
|
||||
/* this was giving uisp problems, so I removed it; without it, the boot
|
||||
works on with uisp and avrdude on the mac (at least). */
|
||||
//putch('\0');
|
||||
|
||||
//uint32_t l;
|
||||
//uint32_t time_count;
|
||||
//time_count=0;
|
||||
|
||||
/* set LED pin as output */
|
||||
sbi(LED_DDR,LED);
|
||||
for (i = 0; i < 16; i++) {
|
||||
outb(LED_PORT, inb(LED_PORT) ^ _BV(LED));
|
||||
_delay_loop_2(0);
|
||||
}
|
||||
|
||||
//for (l=0; l<40000000; l++)
|
||||
//outb(LED_PORT, inb(LED_PORT) ^= _BV(LED));
|
||||
|
||||
/* flash onboard LED three times to signal entering of bootloader */
|
||||
//for(i=0; i<3; ++i) {
|
||||
//for(l=0; l<40000000; ++l);
|
||||
//sbi(LED_PORT,LED);
|
||||
//for(l=0; l<40000000; ++l);
|
||||
//cbi(LED_PORT,LED);
|
||||
//}
|
||||
|
||||
/* see comment at previous call to putch() */
|
||||
//putch('\0'); // this line is needed for the synchronization of the programmer
|
||||
|
||||
/* forever */
|
||||
for (;;) {
|
||||
//if((inb(UCSRA) & _BV(RXC))){
|
||||
/* get character from UART */
|
||||
ch = getch();
|
||||
|
||||
/* A bunch of if...else if... gives smaller code than switch...case ! */
|
||||
|
||||
/* Hello is anyone home ? */
|
||||
if(ch=='0') {
|
||||
nothing_response();
|
||||
}
|
||||
|
||||
/* Request programmer ID */
|
||||
/* Not using PROGMEM string due to boot block in m128 being beyond 64kB boundry */
|
||||
/* Would need to selectively manipulate RAMPZ, and it's only 9 characters anyway so who cares. */
|
||||
else if(ch=='1') {
|
||||
if (getch() == ' ') {
|
||||
putch(0x14);
|
||||
putch('A');
|
||||
putch('V');
|
||||
putch('R');
|
||||
putch(' ');
|
||||
putch('I');
|
||||
putch('S');
|
||||
putch('P');
|
||||
putch(0x10);
|
||||
}
|
||||
}
|
||||
|
||||
/* AVR ISP/STK500 board commands DON'T CARE so default nothing_response */
|
||||
else if(ch=='@') {
|
||||
ch2 = getch();
|
||||
if (ch2>0x85) getch();
|
||||
nothing_response();
|
||||
}
|
||||
|
||||
/* AVR ISP/STK500 board requests */
|
||||
else if(ch=='A') {
|
||||
ch2 = getch();
|
||||
if(ch2==0x80) byte_response(HW_VER); // Hardware version
|
||||
else if(ch2==0x81) byte_response(SW_MAJOR); // Software major version
|
||||
else if(ch2==0x82) byte_response(SW_MINOR); // Software minor version
|
||||
//else if(ch2==0x98) byte_response(0x03); // Unknown but seems to be required by avr studio 3.56
|
||||
else byte_response(0x00); // Covers various unnecessary responses we don't care about
|
||||
}
|
||||
|
||||
/* Device Parameters DON'T CARE, DEVICE IS FIXED */
|
||||
else if(ch=='B') {
|
||||
getNch(20);
|
||||
nothing_response();
|
||||
}
|
||||
|
||||
/* Parallel programming stuff DON'T CARE */
|
||||
else if(ch=='E') {
|
||||
getNch(5);
|
||||
nothing_response();
|
||||
}
|
||||
|
||||
/* Enter programming mode */
|
||||
else if(ch=='P') {
|
||||
nothing_response();
|
||||
// FIXME: modified only here by DojoCorp, Mumbai, India, 20050626
|
||||
//time_count=0; // exted the delay once entered prog.mode
|
||||
}
|
||||
|
||||
/* Leave programming mode */
|
||||
else if(ch=='Q') {
|
||||
nothing_response();
|
||||
//time_count=MAX_TIME_COUNT_MORATORY; // once the programming is done,
|
||||
// we should start the application
|
||||
// but uisp has problems with this,
|
||||
// therefore we just change the times
|
||||
// and give the programmer 1 sec to react
|
||||
}
|
||||
|
||||
/* Erase device, don't care as we will erase one page at a time anyway. */
|
||||
else if(ch=='R') {
|
||||
nothing_response();
|
||||
}
|
||||
|
||||
/* Set address, little endian. EEPROM in bytes, FLASH in words */
|
||||
/* Perhaps extra address bytes may be added in future to support > 128kB FLASH. */
|
||||
/* This might explain why little endian was used here, big endian used everywhere else. */
|
||||
else if(ch=='U') {
|
||||
address.byte[0] = getch();
|
||||
address.byte[1] = getch();
|
||||
nothing_response();
|
||||
}
|
||||
|
||||
/* Universal SPI programming command, disabled. Would be used for fuses and lock bits. */
|
||||
else if(ch=='V') {
|
||||
getNch(4);
|
||||
byte_response(0x00);
|
||||
}
|
||||
|
||||
/* Write memory, length is big endian and is in bytes */
|
||||
else if(ch=='d') {
|
||||
length.byte[1] = getch();
|
||||
length.byte[0] = getch();
|
||||
flags.eeprom = 0;
|
||||
if (getch() == 'E') flags.eeprom = 1;
|
||||
for (w=0;w<length.word;w++) {
|
||||
buff[w] = getch(); // Store data in buffer, can't keep up with serial data stream whilst programming pages
|
||||
}
|
||||
if (getch() == ' ') {
|
||||
if (flags.eeprom) { //Write to EEPROM one byte at a time
|
||||
for(w=0;w<length.word;w++) {
|
||||
eeprom_wb(address.word,buff[w]);
|
||||
address.word++;
|
||||
}
|
||||
} else { //Write to FLASH one page at a time
|
||||
//if (address.byte[1]>127) address_high = 0x01; //Only possible with m128, m256 will need 3rd address byte. FIXME
|
||||
//else address_high = 0x00;
|
||||
|
||||
//address.word = address.word << 1; //address * 2 -> byte location
|
||||
//if ((length.byte[0] & 0x01)) length.word++; //Even up an odd number of bytes
|
||||
cli(); //Disable interrupts, just to be sure
|
||||
while(bit_is_set(EECR,EEWE)); //Wait for previous EEPROM writes to complete
|
||||
asm volatile(
|
||||
"clr r17 \n\t" //page_word_count
|
||||
"lds r30,address \n\t" //Address of FLASH location (in words)
|
||||
"lds r31,address+1 \n\t"
|
||||
"lsl r30 \n\t" //address * 2 -> byte location
|
||||
"rol r31 \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"
|
||||
"sbrs r24,0 \n\t" //Even up an odd number of bytes
|
||||
"rjmp length_loop \n\t"
|
||||
"adiw r24,1 \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"
|
||||
"rcall wait_spm \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"
|
||||
"rcall wait_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"
|
||||
|
||||
"rcall wait_spm \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
|
||||
"rcall wait_spm \n\t"
|
||||
// "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"
|
||||
"rcall wait_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"
|
||||
|
||||
"wait_spm: \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_spm \n\t"
|
||||
"ret \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" (SPMCR) : "M" (PAGE_SIZE) : "r0","r16","r17","r24","r25","r28","r29","r30","r31");
|
||||
|
||||
/* Should really add a wait for RWW section to be enabled, don't actually need it since we never */
|
||||
/* exit the bootloader without a power cycle anyhow */
|
||||
}
|
||||
putch(0x14);
|
||||
putch(0x10);
|
||||
}
|
||||
}
|
||||
|
||||
/* 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
|
||||
}
|
||||
if (getch() == ' ') { // Command terminator
|
||||
putch(0x14);
|
||||
for (w=0;w < length.word;w++) { // Can handle odd and even lengths okay
|
||||
if (flags.eeprom) { // Byte access EEPROM read
|
||||
putch(eeprom_rb(address.word));
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
/* Read oscillator calibration byte */
|
||||
else if(ch=='v') {
|
||||
byte_response(0x00);
|
||||
}
|
||||
// } else {
|
||||
// time_count++;
|
||||
// if (time_count>=MAX_TIME_COUNT) {
|
||||
// app_start();
|
||||
// }
|
||||
// }
|
||||
} /* end of forever loop */
|
||||
}
|
||||
|
||||
void putch(char ch)
|
||||
{
|
||||
/* m8 */
|
||||
while (!(inb(UCSRA) & _BV(UDRE)));
|
||||
outb(UDR,ch);
|
||||
}
|
||||
|
||||
char getch(void)
|
||||
{
|
||||
/* m8 */
|
||||
uint32_t count = 0;
|
||||
while(!(inb(UCSRA) & _BV(RXC))) {
|
||||
/* HACKME:: here is a good place to count times*/
|
||||
count++;
|
||||
if (count > MAX_TIME_COUNT)
|
||||
app_start();
|
||||
}
|
||||
return (inb(UDR));
|
||||
}
|
||||
|
||||
void getNch(uint8_t count)
|
||||
{
|
||||
uint8_t i;
|
||||
for(i=0;i<count;i++) {
|
||||
/* m8 */
|
||||
//while(!(inb(UCSRA) & _BV(RXC)));
|
||||
//inb(UDR);
|
||||
getch(); // need to handle time out
|
||||
}
|
||||
}
|
||||
|
||||
void byte_response(uint8_t val)
|
||||
{
|
||||
if (getch() == ' ') {
|
||||
putch(0x14);
|
||||
putch(val);
|
||||
putch(0x10);
|
||||
}
|
||||
}
|
||||
|
||||
void nothing_response(void)
|
||||
{
|
||||
if (getch() == ' ') {
|
||||
putch(0x14);
|
||||
putch(0x10);
|
||||
}
|
||||
}
|
||||
|
||||
/* end of file ATmegaBOOT.c */
|
||||
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
:101C000012C02BC02AC029C028C027C026C025C0AA
|
||||
:101C100024C023C022C021C020C01FC01EC01DC0C0
|
||||
:101C20001CC01BC01AC011241FBECFE5D4E0DEBF0C
|
||||
:101C3000CDBF10E0A0E6B0E0E8EEFFE102C0059005
|
||||
:101C40000D92A236B107D9F711E0A2E6B0E001C0CB
|
||||
:101C50001D92AA36B107E1F74FC0D2CFEF92FF92A3
|
||||
:101C60000F931F93EE24FF24870113C00894E11CF7
|
||||
:101C7000F11C011D111D81E0E81682E1F8068AE7DA
|
||||
:101C8000080780E0180728F0E0916200F0916300F7
|
||||
:101C900009955F9BEBCF8CB1992787FD90951F919C
|
||||
:101CA0000F91FF90EF9008955D9BFECF8CB9089542
|
||||
:101CB000D5DF803221F484E1F7DF80E1F5DF08959C
|
||||
:101CC0001F93182FCBDF803231F484E1EDDF812FB9
|
||||
:101CD000EBDF80E1E9DF1F9108951F93CF93DF933E
|
||||
:101CE000182FC0E0D0E002C0B9DF2196C117E0F3A1
|
||||
:101CF000DF91CF911F910895CFE5D4E0DEBFCDBF36
|
||||
:101D0000000010BC83E389B988E18AB986E880BD08
|
||||
:101D1000BD9A1092680130E2E0E0F0E02FE088B375
|
||||
:101D2000832788BBCF010197F1F7215027FFF7CF19
|
||||
:101D300020E12093680192DF803381F1813399F4AF
|
||||
:101D40008DDF8032C1F784E1AFDF81E4ADDF86E56E
|
||||
:101D5000ABDF82E5A9DF80E2A7DF89E4A5DF83E5C9
|
||||
:101D6000A3DF80E5C7C0803429F478DF8638B0F07F
|
||||
:101D700075DF14C0813471F471DF803811F482E0B2
|
||||
:101D80001DC1813811F481E019C1823809F015C1F3
|
||||
:101D900082E114C1823421F484E19FDF89DFCBCF5B
|
||||
:101DA000853411F485E0F9CF8035C1F38135B1F385
|
||||
:101DB0008235A1F3853539F451DF809364004EDF1D
|
||||
:101DC00080936500EBCF863519F484E086DFF5C09B
|
||||
:101DD000843609F093C042DF809367013FDF809330
|
||||
:101DE0006601809169018E7F8093690137DF8534B8
|
||||
:101DF00029F480916901816080936901C0E0D0E09D
|
||||
:101E000006E610E005C02ADFF80181938F012196D4
|
||||
:101E10008091660190916701C817D907A0F31EDF72
|
||||
:101E2000803209F088CF8091690180FF1FC020E0D7
|
||||
:101E300030E0E6E6F0E012C0A0916400B0916500E9
|
||||
:101E40008191082EC5D08091640090916500019623
|
||||
:101E500090936500809364002F5F3F4F80916601EF
|
||||
:101E6000909167012817390738F343C0F894E19936
|
||||
:101E7000FECF1127E0916400F0916500EE0FFF1F87
|
||||
:101E8000C6E6D0E0809166019091670180FF01C0B5
|
||||
:101E90000196103051F422D003E000935700E895EA
|
||||
:101EA0001DD001E100935700E8950990199016D0D4
|
||||
:101EB00001E000935700E8951395103258F0112770
|
||||
:101EC0000DD005E000935700E89508D001E100939C
|
||||
:101ED0005700E8953296029739F0DBCF0091570012
|
||||
:101EE00001700130D9F30895103011F00296E7CF58
|
||||
:101EF000112484E1D9DE80E1D7DE1DCF843709F0DB
|
||||
:101F00004BC0ACDE80936701A9DE80936601A6DE3C
|
||||
:101F100090916901853421F49160909369010DC01D
|
||||
:101F20009E7F909369018091640090916500880F75
|
||||
:101F3000991F909365008093640090DE803209F0D1
|
||||
:101F4000FACE84E1B1DEC0E0D0E01EC0809169012C
|
||||
:101F500080FF07C0A0916400B091650031D0802D52
|
||||
:101F600008C081FD07C0E0916400F0916500E49134
|
||||
:101F70008E2F9ADE80916400909165000196909377
|
||||
:101F800065008093640021968091660190916701BD
|
||||
:101F9000C817D907D8F2AFCF853761F45FDE80323A
|
||||
:101FA00009F0C9CE84E180DE8EE17EDE83E97CDE4D
|
||||
:101FB00087E0A0CF863709F0BECE80E081DEBBCEC1
|
||||
:101FC000E199FECFBFBBAEBBE09A11960DB208956A
|
||||
:101FD000E199FECFBFBBAEBB0DBA11960FB6F89418
|
||||
:081FE000E29AE19A0FBE089598
|
||||
:021FE800800077
|
||||
:0400000300001C00DD
|
||||
:00000001FF
|
||||
|
|
@ -0,0 +1,88 @@
|
|||
# Makefile for ATmegaBOOT
|
||||
# E.Lins, 2004-10-14
|
||||
|
||||
# program name should not be changed...
|
||||
PROGRAM = ATmegaBOOT
|
||||
|
||||
PRODUCT=atmega8
|
||||
|
||||
# enter the parameters for the UISP isp tool
|
||||
ISPPARAMS = -dprog=stk500 -dserial=$(SERIAL) -dspeed=115200
|
||||
|
||||
|
||||
#DIRAVR = /usr/local/avr
|
||||
DIRAVRBIN = $(DIRAVR)/bin
|
||||
DIRAVRUTILS = $(DIRAVR)/utils/bin
|
||||
DIRINC = $(DIRAVR)/include
|
||||
DIRLIB = $(DIRAVR)/avr/lib
|
||||
|
||||
|
||||
MCU_TARGET = atmega8
|
||||
LDSECTION = --section-start=.text=0x1c00
|
||||
FUSE_L = 0xdf
|
||||
FUSE_H = 0xca
|
||||
ISPFUSES = $(DIRAVRBIN)/uisp -dpart=ATmega8 $(ISPPARAMS) --wr_fuse_l=$(FUSE_L) --wr_fuse_h=$(FUSE_H)
|
||||
ISPFLASH = $(DIRAVRBIN)/uisp -dpart=ATmega8 $(ISPPARAMS) --erase --upload if=$(PROGRAM).hex -v
|
||||
|
||||
|
||||
OBJ = $(PROGRAM).o
|
||||
OPTIMIZE = -Os
|
||||
|
||||
DEFS = -DF_CPU=16000000 -DBAUD_RATE=19200
|
||||
LIBS =
|
||||
|
||||
CC = $(DIRAVRBIN)/avr-gcc
|
||||
|
||||
|
||||
# Override is only needed by avr-lib build system.
|
||||
|
||||
override CFLAGS = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) -D$(PRODUCT) $(DEFS) -I$(DIRINC)
|
||||
override LDFLAGS = -Wl,-Map,$(PROGRAM).map,$(LDSECTION)
|
||||
|
||||
OBJCOPY = $(DIRAVRBIN)/avr-objcopy
|
||||
OBJDUMP = $(DIRAVRBIN)/avr-objdump
|
||||
SIZE = $(DIRAVRBIN)/avr-size
|
||||
|
||||
all: $(PROGRAM).elf lst text asm size
|
||||
|
||||
isp: $(PROGRAM).hex
|
||||
$(ISPFUSES)
|
||||
$(ISPFLASH)
|
||||
|
||||
$(PROGRAM).elf: $(OBJ)
|
||||
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
|
||||
|
||||
clean:
|
||||
rm -rf *.s
|
||||
rm -rf *.o *.elf
|
||||
rm -rf *.lst *.map
|
||||
|
||||
asm: $(PROGRAM).s
|
||||
|
||||
%.s: %.c
|
||||
$(CC) -S $(CFLAGS) -g1 $^
|
||||
|
||||
lst: $(PROGRAM).lst
|
||||
|
||||
%.lst: %.elf
|
||||
$(OBJDUMP) -h -S $< > $@
|
||||
|
||||
size: $(PROGRAM).hex
|
||||
$(SIZE) $^
|
||||
|
||||
# Rules for building the .text rom images
|
||||
|
||||
text: hex bin srec
|
||||
|
||||
hex: $(PROGRAM).hex
|
||||
bin: $(PROGRAM).bin
|
||||
srec: $(PROGRAM).srec
|
||||
|
||||
%.hex: %.elf
|
||||
$(OBJCOPY) -j .text -j .data -O ihex $< $@
|
||||
|
||||
%.srec: %.elf
|
||||
$(OBJCOPY) -j .text -j .data -O srec $< $@
|
||||
|
||||
%.bin: %.elf
|
||||
$(OBJCOPY) -j .text -j .data -O binary $< $@
|
||||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,121 @@
|
|||
:103800000C94341C0C944F1C0C944F1C0C944F1CA7
|
||||
:103810000C944F1C0C944F1C0C944F1C0C944F1C7C
|
||||
:103820000C944F1C0C944F1C0C944F1C0C944F1C6C
|
||||
:103830000C944F1C0C944F1C0C944F1C0C944F1C5C
|
||||
:103840000C944F1C0C944F1C0C944F1C0C944F1C4C
|
||||
:103850000C944F1C0C944F1C0C944F1C0C944F1C3C
|
||||
:103860000C944F1C0C944F1C11241FBECFEFD4E0BE
|
||||
:10387000DEBFCDBF11E0A0E0B1E0E0E6FFE302C0B3
|
||||
:1038800005900D92A230B107D9F712E0A2E0B1E0A5
|
||||
:1038900001C01D92AC30B107E1F70C94D61C0C941A
|
||||
:1038A000001C882309F483E01092090290E0981725
|
||||
:1038B000F0F4692F2D9A2FEF37E448EE51E02253B0
|
||||
:1038C00030404040504057FFFACF2D982FEF33ED56
|
||||
:1038D00040E350E0225330404040504057FFFACF81
|
||||
:1038E000962F9F5F692F981728F3909309020895E8
|
||||
:1038F000982F8091C00085FFFCCF9093C60008955B
|
||||
:10390000EF92FF920F931F93EE24FF248701809183
|
||||
:10391000C00087FD17C00894E11CF11C011D111D9A
|
||||
:1039200081E0E81682E1F8068AE7080780E01807D8
|
||||
:1039300070F3E0910201F091030109958091C000BC
|
||||
:1039400087FFE9CF8091C600992787FD90951F9149
|
||||
:103950000F91FF90EF9008950E94801C803209F033
|
||||
:10396000089584E10E94781C80E10E94781C0895EB
|
||||
:10397000CF93C82F0E94801C803249F484E10E94BA
|
||||
:10398000781C8C2F0E94781C80E10E94781CCF91BB
|
||||
:103990000895282F90E007C08091C0008823E4F7A5
|
||||
:1039A0008091C6009F5F9217B8F30895CFEFD4E0DF
|
||||
:1039B000DEBFCDBF000056985E9A1092C50088E029
|
||||
:1039C0008093C40088E18093C10086E08093C200A8
|
||||
:1039D000259A579A5F9A109209022FE080E090E0B2
|
||||
:1039E0000197F1F7215027FFF9CF20E12093090239
|
||||
:1039F0005F9883E00E94511C83E50E94781C85E457
|
||||
:103A00000E94781C84E50E94781C80E20E94781C49
|
||||
:103A100082E40E94781C84E50E94781C80E20E9467
|
||||
:103A2000781C80E50E94781C81E40E94781C87E461
|
||||
:103A30000E94781C85E40E94781C8DE40E94781C0A
|
||||
:103A40008FE40E94781C84E40E94781C85E40E9424
|
||||
:103A5000781C80E20E94781C83E30E94781C80E23C
|
||||
:103A60000E94781C82E30E94781C80E30E94781CEC
|
||||
:103A700080E30E94781C80E30E94781C80E20E9410
|
||||
:103A8000781C81E30E94781C8DE00E94781C83E5FD
|
||||
:103A90000E94781C85E40E94781C84E50E94781CB2
|
||||
:103AA00080E20E94781C82E40E94781C84E50E94D7
|
||||
:103AB000781C80E20E94781C82E50E94781C8FE4CA
|
||||
:103AC0000E94781C8CE40E94781C85E40E94781C7B
|
||||
:103AD00080E20E94781C80E30E94781C80E20E94B1
|
||||
:103AE000781C86E60E94781C80E20E94781C87E39E
|
||||
:103AF0000E94781C84E60E94781C80E30E94781C57
|
||||
:103B000080E30E94781C8DE00E94781C0E94801C3B
|
||||
:103B1000803361F1813369F1803409F449C0813423
|
||||
:103B200009F44FC0823409F45DC0853409F460C0E3
|
||||
:103B30008035E1F08135D1F08235C1F0853509F469
|
||||
:103B40005BC0863509F463C0843609F465C08437E8
|
||||
:103B500009F4B9C0853709F414C18637B9F680E095
|
||||
:103B60000E94B81C0E94801C8033A1F60E94AC1CED
|
||||
:103B7000CDCF0E94801CC82F803241F684E10E9484
|
||||
:103B8000781C81E40E94781C86E50E94781C82E5FE
|
||||
:103B90000E94781C8C2F0E94781C89E40E94781C5B
|
||||
:103BA00083E50E94781C80E50E94781C80E1ACCF00
|
||||
:103BB0000E94801C8638D0F20E94801C0E94AC1C9F
|
||||
:103BC000A5CF0E94801C803809F4EDC0813809F42B
|
||||
:103BD000EEC0823809F4EFC0883909F683E00E940C
|
||||
:103BE000B81CC0CF84E10E94C91C0E94AC1C8ECFBF
|
||||
:103BF00085E00E94C91CF9CF0E94801C80930501BA
|
||||
:103C00000E94801C809306010E94AC1C7FCF84E040
|
||||
:103C10000E94C91C80E0A4CF0E94801C80930802EF
|
||||
:103C20000E94801C8093070280910B028E7F8093FC
|
||||
:103C30000B020E94801C853409F4C1C000E010E032
|
||||
:103C400080910702909108021816190670F4C7E0D7
|
||||
:103C5000D1E00E94801C89930F5F1F4F8091070263
|
||||
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|
||||
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|
||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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|
||||
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||||
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||||
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|
||||
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||||
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||||
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|
||||
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||||
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||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
:023F60008000DF
|
||||
:0400000300003800C1
|
||||
:00000001FF
|
||||
Loading…
Reference in New Issue