95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/*
|
|
* avrdude - A Downloader/Uploader for AVR device programmers
|
|
* Copyright (C) 2009 Lars Immisch
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/* $Id$ */
|
|
|
|
/*
|
|
* avrdude interface for Arduino programmer
|
|
*
|
|
* The Arduino programmer is mostly a STK500v1, just the signature bytes
|
|
* are read differently.
|
|
*/
|
|
|
|
#include "ac_cfg.h"
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "avrdude.h"
|
|
#include "pgm.h"
|
|
#include "stk500_private.h"
|
|
#include "stk500.h"
|
|
#include "serial.h"
|
|
|
|
/* read signature bytes - arduino version */
|
|
static int arduino_read_sig_bytes(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m)
|
|
{
|
|
unsigned char buf[32];
|
|
|
|
/* Signature byte reads are always 3 bytes. */
|
|
|
|
if (m->size < 3) {
|
|
fprintf(stderr, "%s: memsize too small for sig byte read", progname);
|
|
return -1;
|
|
}
|
|
|
|
buf[0] = Cmnd_STK_READ_SIGN;
|
|
buf[1] = Sync_CRC_EOP;
|
|
|
|
serial_send(&pgm->fd, buf, 2);
|
|
|
|
if (serial_recv(&pgm->fd, buf, 5) < 0)
|
|
return -1;
|
|
if (buf[0] == Resp_STK_NOSYNC) {
|
|
fprintf(stderr, "%s: stk500_cmd(): programmer is out of sync\n",
|
|
progname);
|
|
return -1;
|
|
} else if (buf[0] != Resp_STK_INSYNC) {
|
|
fprintf(stderr,
|
|
"\n%s: arduino_read_sig_bytes(): (a) protocol error, "
|
|
"expect=0x%02x, resp=0x%02x\n",
|
|
progname, Resp_STK_INSYNC, buf[0]);
|
|
return -2;
|
|
}
|
|
if (buf[4] != Resp_STK_OK) {
|
|
fprintf(stderr,
|
|
"\n%s: arduino_read_sig_bytes(): (a) protocol error, "
|
|
"expect=0x%02x, resp=0x%02x\n",
|
|
progname, Resp_STK_OK, buf[4]);
|
|
return -3;
|
|
}
|
|
|
|
m->buf[0] = buf[1];
|
|
m->buf[1] = buf[2];
|
|
m->buf[2] = buf[3];
|
|
|
|
return 3;
|
|
}
|
|
|
|
void arduino_initpgm(PROGRAMMER * pgm)
|
|
{
|
|
/* This is mostly a STK500; just the signature is read
|
|
differently than on real STK500v1 */
|
|
stk500_initpgm(pgm);
|
|
|
|
strcpy(pgm->type, "Arduino");
|
|
pgm->read_sig_bytes = arduino_read_sig_bytes;
|
|
|
|
}
|