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avrdude/src/update.c

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/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2000-2005 Brian S. Dean <bsd@bsdhome.com>
* Copyright (C) 2007 Joerg Wunsch
*
* 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/>.
*/
/* $Id$ */
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <time.h>
#include "avrdude.h"
#include "libavrdude.h"
UPDATE * parse_op(char * s)
{
char buf[1024];
char * p, * cp, c;
UPDATE * upd;
int i;
size_t fnlen;
upd = (UPDATE *)malloc(sizeof(UPDATE));
if (upd == NULL) {
avrdude_message(MSG_INFO, "%s: out of memory\n", progname);
exit(1);
}
i = 0;
p = s;
while ((i < (sizeof(buf)-1) && *p && (*p != ':')))
buf[i++] = *p++;
buf[i] = 0;
if (*p != ':') {
upd->memtype = NULL; /* default memtype, "flash", or "application" */
upd->op = DEVICE_WRITE;
upd->filename = (char *)malloc(strlen(buf) + 1);
if (upd->filename == NULL) {
avrdude_message(MSG_INFO, "%s: out of memory\n", progname);
exit(1);
}
strcpy(upd->filename, buf);
upd->format = FMT_AUTO;
return upd;
}
upd->memtype = (char *)malloc(strlen(buf)+1);
if (upd->memtype == NULL) {
avrdude_message(MSG_INFO, "%s: out of memory\n", progname);
exit(1);
}
strcpy(upd->memtype, buf);
p++;
if (*p == 'r') {
upd->op = DEVICE_READ;
}
else if (*p == 'w') {
upd->op = DEVICE_WRITE;
}
else if (*p == 'v') {
upd->op = DEVICE_VERIFY;
}
else {
avrdude_message(MSG_INFO, "%s: invalid I/O mode '%c' in update specification\n",
progname, *p);
avrdude_message(MSG_INFO, " allowed values are:\n"
" r = read device\n"
" w = write device\n"
" v = verify device\n");
free(upd->memtype);
free(upd);
return NULL;
}
p++;
if (*p != ':') {
avrdude_message(MSG_INFO, "%s: invalid update specification\n", progname);
free(upd->memtype);
free(upd);
return NULL;
}
p++;
/*
* Now, parse the filename component. Instead of looking for the
* leftmost possible colon delimiter, we look for the rightmost one.
* If we found one, we do have a trailing :format specifier, and
* process it. Otherwise, the remainder of the string is our file
* name component. That way, the file name itself is allowed to
* contain a colon itself (e. g. C:/some/file.hex), except the
* optional format specifier becomes mandatory then.
*/
cp = p;
p = strrchr(cp, ':');
if (p == NULL) {
// missing format, default to "AUTO" for write and verify,
// and to binary for read operations:
upd->format = upd->op == DEVICE_READ? FMT_RBIN: FMT_AUTO;
fnlen = strlen(cp);
upd->filename = (char *)malloc(fnlen + 1);
} else {
fnlen = p - cp;
upd->filename = (char *)malloc(fnlen +1);
c = *++p;
if (c && p[1])
/* More than one char - force failure below. */
c = '?';
switch (c) {
case 'a': upd->format = FMT_AUTO; break;
case 's': upd->format = FMT_SREC; break;
case 'i': upd->format = FMT_IHEX; break;
case 'r': upd->format = FMT_RBIN; break;
case 'e': upd->format = FMT_ELF; break;
case 'm': upd->format = FMT_IMM; break;
case 'b': upd->format = FMT_BIN; break;
case 'd': upd->format = FMT_DEC; break;
case 'h': upd->format = FMT_HEX; break;
case 'o': upd->format = FMT_OCT; break;
default:
avrdude_message(MSG_INFO, "%s: invalid file format '%s' in update specifier\n",
progname, p);
free(upd->memtype);
free(upd);
return NULL;
}
}
if (upd->filename == NULL) {
avrdude_message(MSG_INFO, "%s: out of memory\n", progname);
free(upd->memtype);
free(upd);
return NULL;
}
memcpy(upd->filename, cp, fnlen);
upd->filename[fnlen] = 0;
return upd;
}
UPDATE * dup_update(UPDATE * upd)
{
UPDATE * u;
u = (UPDATE *)malloc(sizeof(UPDATE));
if (u == NULL) {
avrdude_message(MSG_INFO, "%s: out of memory\n", progname);
exit(1);
}
memcpy(u, upd, sizeof(UPDATE));
if (upd->memtype != NULL)
u->memtype = strdup(upd->memtype);
else
u->memtype = NULL;
u->filename = strdup(upd->filename);
return u;
}
UPDATE * new_update(int op, char * memtype, int filefmt, char * filename)
{
UPDATE * u;
u = (UPDATE *)malloc(sizeof(UPDATE));
if (u == NULL) {
avrdude_message(MSG_INFO, "%s: out of memory\n", progname);
exit(1);
}
u->memtype = strdup(memtype);
u->filename = strdup(filename);
u->op = op;
u->format = filefmt;
return u;
}
void free_update(UPDATE * u)
{
if (u != NULL) {
if(u->memtype != NULL) {
free(u->memtype);
u->memtype = NULL;
}
if(u->filename != NULL) {
free(u->filename);
u->filename = NULL;
}
free(u);
}
}
int do_op(PROGRAMMER * pgm, struct avrpart * p, UPDATE * upd, enum updateflags flags)
{
struct avrpart * v;
AVRMEM * mem;
int size, vsize;
int rc;
mem = avr_locate_mem(p, upd->memtype);
if (mem == NULL) {
avrdude_message(MSG_INFO, "\"%s\" memory type not defined for part \"%s\"\n",
upd->memtype, p->desc);
return -1;
}
if (upd->op == DEVICE_READ) {
/*
* read out the specified device memory and write it to a file
*/
if (upd->format == FMT_IMM) {
avrdude_message(MSG_INFO,
"%s: Invalid file format 'immediate' for output\n",
progname, upd->filename);
return -1;
}
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: reading %s memory:\n",
progname, mem->desc);
}
report_progress(0,1,"Reading");
rc = avr_read(pgm, p, upd->memtype, 0);
if (rc < 0) {
avrdude_message(MSG_INFO, "%s: failed to read all of %s memory, rc=%d\n",
progname, mem->desc, rc);
return -1;
}
report_progress(1,1,NULL);
size = rc;
if (quell_progress < 2) {
if (rc == 0)
avrdude_message(MSG_INFO, "%s: Flash is empty, resulting file has no contents.\n",
progname);
avrdude_message(MSG_INFO, "%s: writing output file \"%s\"\n",
progname,
strcmp(upd->filename, "-")==0 ? "<stdout>" : upd->filename);
}
rc = fileio(FIO_WRITE, upd->filename, upd->format, p, upd->memtype, size);
if (rc < 0) {
avrdude_message(MSG_INFO, "%s: write to file '%s' failed\n",
progname, upd->filename);
return -1;
}
}
else if (upd->op == DEVICE_WRITE) {
/*
* write the selected device memory using data from a file; first
* read the data from the specified file
*/
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: reading input file \"%s\"\n",
progname,
strcmp(upd->filename, "-")==0 ? "<stdin>" : upd->filename);
}
rc = fileio(FIO_READ, upd->filename, upd->format, p, upd->memtype, -1);
if (rc < 0) {
avrdude_message(MSG_INFO, "%s: read from file '%s' failed\n",
progname, upd->filename);
return -1;
}
size = rc;
/*
* write the buffer contents to the selected memory type
*/
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: writing %s (%d bytes):\n",
progname, mem->desc, size);
}
if (!(flags & UF_NOWRITE)) {
report_progress(0,1,"Writing");
rc = avr_write(pgm, p, upd->memtype, size, (flags & UF_AUTO_ERASE) != 0);
report_progress(1,1,NULL);
}
else {
/*
* test mode, don't actually write to the chip, output the buffer
* to stdout in intel hex instead
*/
rc = fileio(FIO_WRITE, "-", FMT_IHEX, p, upd->memtype, size);
}
if (rc < 0) {
avrdude_message(MSG_INFO, "%s: failed to write %s memory, rc=%d\n",
progname, mem->desc, rc);
return -1;
}
vsize = rc;
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: %d bytes of %s written\n", progname,
vsize, mem->desc);
}
}
else if (upd->op == DEVICE_VERIFY) {
/*
* verify that the in memory file (p->mem[AVR_M_FLASH|AVR_M_EEPROM])
* is the same as what is on the chip
*/
pgm->vfy_led(pgm, ON);
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: verifying %s memory against %s:\n",
progname, mem->desc, upd->filename);
avrdude_message(MSG_INFO, "%s: load data %s data from input file %s:\n",
progname, mem->desc, upd->filename);
}
rc = fileio(FIO_READ, upd->filename, upd->format, p, upd->memtype, -1);
if (rc < 0) {
avrdude_message(MSG_INFO, "%s: read from file '%s' failed\n",
progname, upd->filename);
return -1;
}
v = avr_dup_part(p);
size = rc;
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: input file %s contains %d bytes\n",
progname, upd->filename, size);
avrdude_message(MSG_INFO, "%s: reading on-chip %s data:\n",
progname, mem->desc);
}
report_progress (0,1,"Reading");
rc = avr_read(pgm, p, upd->memtype, v);
if (rc < 0) {
avrdude_message(MSG_INFO, "%s: failed to read all of %s memory, rc=%d\n",
progname, mem->desc, rc);
pgm->err_led(pgm, ON);
avr_free_part(v);
return -1;
}
report_progress (1,1,NULL);
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: verifying ...\n", progname);
}
rc = avr_verify(p, v, upd->memtype, size);
if (rc < 0) {
avrdude_message(MSG_INFO, "%s: verification error; content mismatch\n",
progname);
pgm->err_led(pgm, ON);
avr_free_part(v);
return -1;
}
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: %d bytes of %s verified\n",
progname, rc, mem->desc);
}
pgm->vfy_led(pgm, OFF);
avr_free_part(v);
}
else {
avrdude_message(MSG_INFO, "%s: invalid update operation (%d) requested\n",
progname, upd->op);
return -1;
}
return 0;
}
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