avrdude/stk500generic.c

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/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2006 Joerg Wunsch <j@uriah.heep.sax.de>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
/* $Id$ */
/*
* avrdude interface for Atmel STK500 programmer
*
* This is a wrapper around the STK500[v1] and STK500v2 programmers.
* Try to select the programmer type that actually responds, and
* divert to the actual programmer implementation if successful.
*/
#include "ac_cfg.h"
#include <stdio.h>
#include <string.h>
#include "avrdude.h"
#include "libavrdude.h"
#include "stk500generic.h"
#include "stk500.h"
#include "stk500v2.h"
static int stk500generic_open(PROGRAMMER * pgm, char * port)
{
stk500_initpgm(pgm);
if (pgm->open(pgm, port) >= 0)
{
avrdude_message(MSG_INFO, "%s: successfully opened stk500v1 device -- please use -c stk500v1\n",
progname);
return 0;
}
pgm->close(pgm);
stk500v2_initpgm(pgm);
if (pgm->open(pgm, port) >= 0)
{
avrdude_message(MSG_INFO, "%s: successfully opened stk500v2 device -- please use -c stk500v2\n",
progname);
return 0;
}
avrdude_message(MSG_INFO, "%s: cannot open either stk500v1 or stk500v2 programmer\n",
progname);
return -1;
}
static void stk500generic_setup(PROGRAMMER * pgm)
{
/*
* Only STK500v2 needs setup/teardown.
*/
stk500v2_initpgm(pgm);
pgm->setup(pgm);
}
static void stk500generic_teardown(PROGRAMMER * pgm)
{
stk500v2_initpgm(pgm);
pgm->teardown(pgm);
}
const char stk500generic_desc[] = "Atmel STK500, autodetect firmware version";
void stk500generic_initpgm(PROGRAMMER * pgm)
{
strcpy(pgm->type, "STK500GENERIC");
pgm->open = stk500generic_open;
pgm->setup = stk500generic_setup;
pgm->teardown = stk500generic_teardown;
}