Add support for the Atmel Butterfly board which talks to the
Butterfly's supplied bootloader firmware. Contributed by: Michael Mayer <michael-mayer@gmx.de> git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@387 81a1dc3b-b13d-400b-aceb-764788c761c2
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10
ChangeLog
10
ChangeLog
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@ -1,3 +1,13 @@
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2003-11-28 Michael Mayer <michael-mayer@gmx.de>
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* added new programmer type "butterfly":
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lexer.l: new programmer type "butterfly"
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config_gram.y: new token K_BUTTERFLY
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avrdude.conf.in: added programmer definition
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* butterfly.c, butterfly.h: cloned from avr910.?, changed to work
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with the Atmel Butterfly device
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* Makefile.am: added butterfly.[ch] to avrdude_SOURCES
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2003-11-21 Jan-Hinnerk Reichert <hinni@despammed.com>
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* ppi.c: Major speed tuning. Since ioctl() is expensive read from
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@ -53,6 +53,8 @@ avrdude_SOURCES = \
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avr910.c \
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avr910.h \
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avrpart.h \
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butterfly.c \
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butterfly.h \
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config.c \
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config.h \
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confwin.c \
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@ -213,6 +213,12 @@ programmer
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type = avr910;
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;
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programmer
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id = "butterfly";
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desc = "Atmel Butterfly Development Board";
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type = butterfly;
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;
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programmer
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id = "pavr";
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desc = "Jason Kyle's pAVR Serial Programmer";
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@ -1884,6 +1890,7 @@ part
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id = "m169";
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desc = "ATMEGA169";
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stk500_devcode = 0x85;
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avr910_devcode = 0x75;
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chip_erase_delay = 9000;
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pgm_enable = "1 0 1 0 1 1 0 0 0 1 0 1 0 0 1 1",
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"x x x x x x x x x x x x x x x x";
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@ -0,0 +1,641 @@
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/*
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* avrdude - A Downloader/Uploader for AVR device programmers
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* Copyright (C) 2003 Theodore A. Roth <troth@openavr.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software 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 be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* $Id$ */
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/*
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* avrdude interface for the serial programming mode of the Atmel butterfly
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* evaluation board. This board features a bootloader which uses a protocol
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* very similar, but not identical, to the one described in application note
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* avr910.
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*/
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#include "ac_cfg.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <ctype.h>
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#include "avr.h"
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#include "pgm.h"
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#include "butterfly.h"
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#include "serial.h"
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extern char * progname;
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extern int do_cycles;
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static char has_auto_incr_addr;
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static unsigned buffersize = 0;
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/* These two defines are only for debugging. Will remove them once it starts
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working. */
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#define show_func_info() \
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fprintf(stderr, "%s: line %d: called %s()\n", \
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__FILE__, __LINE__, __FUNCTION__)
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#define no_show_func_info()
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static int butterfly_send(PROGRAMMER * pgm, char * buf, size_t len)
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{
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no_show_func_info();
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return serial_send(pgm->fd, buf, len);
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}
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static int butterfly_recv(PROGRAMMER * pgm, char * buf, size_t len)
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{
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no_show_func_info();
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return serial_recv(pgm->fd, buf, len);
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}
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static int butterfly_drain(PROGRAMMER * pgm, int display)
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{
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no_show_func_info();
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return serial_drain(pgm->fd, display);
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}
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static void butterfly_vfy_cmd_sent(PROGRAMMER * pgm, char * errmsg)
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{
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char c;
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butterfly_recv(pgm, &c, 1);
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if (c != '\r') {
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fprintf(stderr, "%s: error: programmer did not respond to command: %s\n",
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progname, errmsg);
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exit(1);
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}
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}
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static int butterfly_rdy_led(PROGRAMMER * pgm, int value)
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{
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no_show_func_info();
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/* Do nothing. */
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return 0;
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}
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static int butterfly_err_led(PROGRAMMER * pgm, int value)
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{
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no_show_func_info();
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/* Do nothing. */
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return 0;
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}
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static int butterfly_pgm_led(PROGRAMMER * pgm, int value)
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{
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no_show_func_info();
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/* Do nothing. */
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return 0;
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}
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static int butterfly_vfy_led(PROGRAMMER * pgm, int value)
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{
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no_show_func_info();
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/* Do nothing. */
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return 0;
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}
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/*
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* issue the 'chip erase' command to the butterfly board
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*/
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static int butterfly_chip_erase(PROGRAMMER * pgm, AVRPART * p)
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{
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no_show_func_info();
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butterfly_send(pgm, "e", 1);
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butterfly_vfy_cmd_sent(pgm, "chip erase");
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return 0;
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}
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static void butterfly_enter_prog_mode(PROGRAMMER * pgm)
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{
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butterfly_send(pgm, "P", 1);
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butterfly_vfy_cmd_sent(pgm, "enter prog mode");
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}
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static void butterfly_leave_prog_mode(PROGRAMMER * pgm)
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{
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butterfly_send(pgm, "L", 1);
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butterfly_vfy_cmd_sent(pgm, "leave prog mode");
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}
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/*
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* issue the 'program enable' command to the AVR device
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*/
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static int butterfly_program_enable(PROGRAMMER * pgm, AVRPART * p)
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{
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no_show_func_info();
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return -1;
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}
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/*
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* apply power to the AVR processor
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*/
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static void butterfly_powerup(PROGRAMMER * pgm)
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{
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no_show_func_info();
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/* Do nothing. */
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return;
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}
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/*
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* remove power from the AVR processor
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*/
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static void butterfly_powerdown(PROGRAMMER * pgm)
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{
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no_show_func_info();
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/* Do nothing. */
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return;
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}
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/*
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* initialize the AVR device and prepare it to accept commands
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*/
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static int butterfly_initialize(PROGRAMMER * pgm, AVRPART * p)
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{
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char id[8];
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char sw[2];
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char hw[2];
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char buf[10];
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char type;
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unsigned char c;
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int dev_supported = 0;
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no_show_func_info();
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/* send some ESC to activate butterfly bootloader */
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butterfly_send(pgm, "\033\033\033\033", 4);
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butterfly_drain(pgm, 0);
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/* Get the programmer identifier. Programmer returns exactly 7 chars
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_without_ the null.*/
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butterfly_send(pgm, "S", 1);
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memset (id, 0, sizeof(id));
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butterfly_recv(pgm, id, sizeof(id)-1);
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/* Get the HW and SW versions to see if the programmer is present. */
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butterfly_send(pgm, "V", 1);
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butterfly_recv(pgm, sw, sizeof(sw));
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butterfly_send(pgm, "v", 1);
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butterfly_recv(pgm, hw, 1); /* first, read only _one_ byte */
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if (hw[0]!='?') {
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butterfly_recv(pgm, &hw[1], 1);/* now, read second byte */
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};
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/* Get the programmer type (serial or parallel). Expect serial. */
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butterfly_send(pgm, "p", 1);
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butterfly_recv(pgm, &type, 1);
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fprintf(stderr, "Found programmer: Id = \"%s\"; type = %c\n", id, type);
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fprintf(stderr, " Software Version = %c.%c; ", sw[0], sw[1]);
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if (hw[0]=='?') {
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fprintf(stderr, "No Hardware Version given.\n");
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} else {
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fprintf(stderr, "Hardware Version = %c.%c\n", hw[0], hw[1]);
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};
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/* See if programmer supports autoincrement of address. */
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butterfly_send(pgm, "a", 1);
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butterfly_recv(pgm, &has_auto_incr_addr, 1);
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if (has_auto_incr_addr == 'Y')
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fprintf(stderr, "Programmer supports auto addr increment.\n");
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/* Check support for buffered memory access, abort if not available */
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butterfly_send(pgm, "b", 1);
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butterfly_recv(pgm, &c, 1);
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if (c != 'Y') {
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fprintf(stderr,
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"%s: error: buffered memory access not supported. Maybe it isn't\n"\
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"a butterfly but a AVR910 device?\n", progname);
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exit(1);
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};
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butterfly_recv(pgm, &c, 1);
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buffersize = c<<8;
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butterfly_recv(pgm, &c, 1);
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buffersize += c;
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fprintf(stderr,
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"Programmer supports buffered memory access with buffersize=%i bytes.\n",
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buffersize);
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/* Get list of devices that the programmer supports. */
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butterfly_send(pgm, "t", 1);
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fprintf(stderr, "\nProgrammer supports the following devices:\n");
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while (1) {
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butterfly_recv(pgm, &c, 1);
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if (c == 0)
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break;
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fprintf(stderr, " Device code: 0x%02x\n", c);
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/* FIXME: Need to lookup devcode and report the device. */
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if (p->avr910_devcode == c)
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dev_supported = 1;
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};
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fprintf(stderr,"\n");
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if (!dev_supported) {
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fprintf(stderr,
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"%s: error: selected device is not supported by programmer: %s\n",
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progname, p->id);
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exit(1);
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}
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/* Tell the programmer which part we selected. */
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buf[0] = 'T';
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buf[1] = p->avr910_devcode;
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butterfly_send(pgm, buf, 2);
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butterfly_vfy_cmd_sent(pgm, "select device");
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butterfly_enter_prog_mode(pgm);
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return 0;
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}
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static int butterfly_save(PROGRAMMER * pgm)
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{
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no_show_func_info();
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/* Do nothing. */
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return 0;
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}
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static void butterfly_restore(PROGRAMMER * pgm)
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{
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no_show_func_info();
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/* Do nothing. */
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return;
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}
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static void butterfly_disable(PROGRAMMER * pgm)
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{
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no_show_func_info();
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/* Do nothing. */
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return;
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}
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static void butterfly_enable(PROGRAMMER * pgm)
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{
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no_show_func_info();
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/* Do nothing. */
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return;
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}
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static void butterfly_open(PROGRAMMER * pgm, char * port)
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{
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no_show_func_info();
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strcpy(pgm->port, port);
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pgm->fd = serial_open(port, 19200);
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/*
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* drain any extraneous input
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*/
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butterfly_drain (pgm, 0);
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}
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static void butterfly_close(PROGRAMMER * pgm)
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{
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no_show_func_info();
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butterfly_leave_prog_mode(pgm);
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serial_close(pgm->fd);
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pgm->fd = -1;
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}
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static void butterfly_display(PROGRAMMER * pgm, char * p)
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{
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no_show_func_info();
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return;
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}
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static void butterfly_set_addr(PROGRAMMER * pgm, unsigned long addr)
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{
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unsigned char cmd[3];
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cmd[0] = 'A';
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cmd[1] = (addr >> 8) & 0xff;
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cmd[2] = addr & 0xff;
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butterfly_send(pgm, cmd, sizeof(cmd));
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butterfly_vfy_cmd_sent(pgm, "set addr");
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}
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static int butterfly_write_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
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unsigned long addr, unsigned char value)
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{
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unsigned char cmd[6];
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int size;
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no_show_func_info();
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if ((strcmp(m->desc, "flash") != 0) && (strcmp(m->desc, "eeprom") != 0))
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return -1;
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cmd[0] = 'B';
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cmd[1] = 0;
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if ((cmd[3] = toupper(m->desc[0])) == 'E') { /* write to eeprom */
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cmd[2] = 1;
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cmd[4] = value;
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size = 5;
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} else { /* write to flash */
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/* @@@ not yet implemented */
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cmd[2] = 2;
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size = 6;
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return -1;
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};
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butterfly_set_addr(pgm, addr);
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butterfly_send(pgm, cmd, size);
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butterfly_vfy_cmd_sent(pgm, "write byte");
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return 0;
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}
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static int butterfly_read_byte_flash(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
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unsigned long addr, unsigned char * value)
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{
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static int cached = 0;
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static unsigned char cvalue;
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static unsigned long caddr;
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if (cached && ((caddr + 1) == addr)) {
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*value = cvalue;
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cached = 0;
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}
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else {
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unsigned char buf[2];
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butterfly_set_addr(pgm, addr >> 1);
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butterfly_send(pgm, "g\000\002F", 4);
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/* Read back the program mem word (MSB first) */
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butterfly_recv(pgm, buf, sizeof(buf));
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if ((addr & 0x01) == 0) {
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*value = buf[1];
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cached = 1;
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cvalue = buf[0];
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caddr = addr;
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}
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else {
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*value = buf[0];
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}
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}
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return 0;
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}
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static int butterfly_read_byte_eeprom(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
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unsigned long addr, unsigned char * value)
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{
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butterfly_set_addr(pgm, addr);
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butterfly_send(pgm, "g\000\001E", 4);
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butterfly_recv(pgm, value, 1);
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return 0;
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}
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static int butterfly_read_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
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unsigned long addr, unsigned char * value)
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{
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no_show_func_info();
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if (strcmp(m->desc, "flash") == 0) {
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return butterfly_read_byte_flash(pgm, p, m, addr, value);
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}
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if (strcmp(m->desc, "eeprom") == 0) {
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return butterfly_read_byte_eeprom(pgm, p, m, addr, value);
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}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
|
||||
static int butterfly_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
|
||||
int page_size, int n_bytes)
|
||||
{
|
||||
unsigned int addr = 0;
|
||||
unsigned int max_addr = n_bytes;
|
||||
unsigned char *cmd;
|
||||
unsigned int blocksize = buffersize;
|
||||
|
||||
if (strcmp(m->desc, "flash") && strcmp(m->desc, "eeprom"))
|
||||
return -2;
|
||||
|
||||
if (m->desc[0] == 'e')
|
||||
blocksize = 1; /* Write to eeprom single bytes only */
|
||||
|
||||
butterfly_set_addr(pgm, addr);
|
||||
|
||||
#if 0
|
||||
usleep(1000000);
|
||||
butterfly_send(pgm, "y", 1);
|
||||
butterfly_vfy_cmd_sent(pgm, "clear LED");
|
||||
#endif
|
||||
|
||||
cmd = malloc(4+blocksize);
|
||||
if (!cmd) return -1;
|
||||
cmd[0] = 'B';
|
||||
cmd[3] = toupper(m->desc[0]);
|
||||
|
||||
while (addr < max_addr) {
|
||||
if ((max_addr - addr) < blocksize) {
|
||||
blocksize = max_addr - addr;
|
||||
};
|
||||
memcpy(&cmd[4], &m->buf[addr], blocksize);
|
||||
cmd[1] = (blocksize >> 8) & 0xff;
|
||||
cmd[2] = blocksize & 0xff;
|
||||
|
||||
butterfly_send(pgm, cmd, 4+blocksize);
|
||||
butterfly_vfy_cmd_sent(pgm, "write block");
|
||||
|
||||
addr += blocksize;
|
||||
|
||||
report_progress (addr, max_addr, NULL);
|
||||
} /* while */
|
||||
free(cmd);
|
||||
|
||||
return addr;
|
||||
}
|
||||
|
||||
|
||||
|
||||
static int butterfly_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
|
||||
int page_size, int n_bytes)
|
||||
{
|
||||
unsigned int addr = 0;
|
||||
unsigned int max_addr = n_bytes;
|
||||
int rd_size = 1;
|
||||
|
||||
/* check parameter syntax: only "flash" or "eeprom" is allowed */
|
||||
if (strcmp(m->desc, "flash") && strcmp(m->desc, "eeprom"))
|
||||
return -2;
|
||||
|
||||
{ /* use buffered mode */
|
||||
unsigned char cmd[4];
|
||||
int blocksize = buffersize;
|
||||
|
||||
cmd[0] = 'g';
|
||||
cmd[3] = toupper(m->desc[0]);
|
||||
|
||||
butterfly_set_addr(pgm, addr);
|
||||
while (addr < max_addr) {
|
||||
if ((max_addr - addr) < blocksize) {
|
||||
blocksize = max_addr - addr;
|
||||
};
|
||||
cmd[1] = (blocksize >> 8) & 0xff;
|
||||
cmd[2] = blocksize & 0xff;
|
||||
|
||||
butterfly_send(pgm, cmd, 4);
|
||||
butterfly_recv(pgm, &m->buf[addr], blocksize);
|
||||
|
||||
addr += blocksize;
|
||||
|
||||
report_progress (addr, max_addr, NULL);
|
||||
} /* while */
|
||||
}
|
||||
|
||||
return addr * rd_size;
|
||||
}
|
||||
|
||||
|
||||
/* Signature byte reads are always 3 bytes. */
|
||||
static int butterfly_read_sig_bytes(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m)
|
||||
{
|
||||
no_show_func_info();
|
||||
|
||||
if (m->size < 3) {
|
||||
fprintf(stderr, "%s: memsize too small for sig byte read", progname);
|
||||
return -1;
|
||||
}
|
||||
|
||||
butterfly_send(pgm, "s", 1);
|
||||
butterfly_recv(pgm, m->buf, 3);
|
||||
|
||||
return 3;
|
||||
}
|
||||
|
||||
|
||||
void butterfly_initpgm(PROGRAMMER * pgm)
|
||||
{
|
||||
no_show_func_info();
|
||||
|
||||
strcpy(pgm->type, "avr910");
|
||||
|
||||
/*
|
||||
* mandatory functions
|
||||
*/
|
||||
pgm->rdy_led = butterfly_rdy_led;
|
||||
pgm->err_led = butterfly_err_led;
|
||||
pgm->pgm_led = butterfly_pgm_led;
|
||||
pgm->vfy_led = butterfly_vfy_led;
|
||||
pgm->initialize = butterfly_initialize;
|
||||
pgm->display = butterfly_display;
|
||||
pgm->save = butterfly_save;
|
||||
pgm->restore = butterfly_restore;
|
||||
pgm->enable = butterfly_enable;
|
||||
pgm->disable = butterfly_disable;
|
||||
pgm->powerup = butterfly_powerup;
|
||||
pgm->powerdown = butterfly_powerdown;
|
||||
pgm->program_enable = butterfly_program_enable;
|
||||
pgm->chip_erase = butterfly_chip_erase;
|
||||
/* pgm->cmd not supported, use default error message */
|
||||
pgm->open = butterfly_open;
|
||||
pgm->close = butterfly_close;
|
||||
|
||||
/*
|
||||
* optional functions
|
||||
*/
|
||||
|
||||
pgm->write_byte = butterfly_write_byte;
|
||||
pgm->read_byte = butterfly_read_byte;
|
||||
|
||||
pgm->paged_write = butterfly_paged_write;
|
||||
pgm->paged_load = butterfly_paged_load;
|
||||
|
||||
pgm->read_sig_bytes = butterfly_read_sig_bytes;
|
||||
}
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
/*
|
||||
* avrdude - A Downloader/Uploader for AVR device programmers
|
||||
* Copyright (C) 2003 Theodore A. Roth <troth@openavr.org>
|
||||
*
|
||||
* 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
|
||||
*/
|
||||
|
||||
/* $Id$ */
|
||||
|
||||
#ifndef __butterfly_h__
|
||||
#define __butterfly_h__
|
||||
|
||||
#include "config.h"
|
||||
|
||||
void butterfly_initpgm (PROGRAMMER * pgm);
|
||||
|
||||
#endif /* __butterfly_h__ */
|
||||
|
|
@ -34,6 +34,7 @@
|
|||
#include "pgm.h"
|
||||
#include "stk500.h"
|
||||
#include "avr910.h"
|
||||
#include "butterfly.h"
|
||||
#include "avr.h"
|
||||
|
||||
extern char * progname;
|
||||
|
|
@ -105,6 +106,7 @@ static int parse_cmdbits(OPCODE * op);
|
|||
%token K_SIZE
|
||||
%token K_STK500
|
||||
%token K_AVR910
|
||||
%token K_BUTTERFLY
|
||||
%token K_TYPE
|
||||
%token K_VCC
|
||||
%token K_VFYLED
|
||||
|
|
@ -294,6 +296,12 @@ prog_parm :
|
|||
}
|
||||
} |
|
||||
|
||||
K_TYPE TKN_EQUAL K_BUTTERFLY {
|
||||
{
|
||||
butterfly_initpgm(current_prog);
|
||||
}
|
||||
} |
|
||||
|
||||
K_DESC TKN_EQUAL TKN_STRING {
|
||||
strncpy(current_prog->desc, $3->value.string, PGM_DESCLEN);
|
||||
current_prog->desc[PGM_DESCLEN-1] = 0;
|
||||
|
|
|
|||
1
lexer.l
1
lexer.l
|
|
@ -155,6 +155,7 @@ serial { yylval=NULL; return K_SERIAL; }
|
|||
size { yylval=NULL; return K_SIZE; }
|
||||
stk500 { yylval=NULL; return K_STK500; }
|
||||
avr910 { yylval=NULL; return K_AVR910; }
|
||||
butterfly { yylval=NULL; return K_BUTTERFLY; }
|
||||
type { yylval=NULL; return K_TYPE; }
|
||||
vcc { yylval=NULL; return K_VCC; }
|
||||
vfyled { yylval=NULL; return K_VFYLED; }
|
||||
|
|
|
|||
Loading…
Reference in New Issue