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avrdude/main.c

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/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2000-2005 Brian S. Dean <bsd@bsdhome.com>
* Copyright 2007-2014 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/>.
*/
/* $Id$ */
/*
* Code to program an Atmel AVR device through one of the supported
* programmers.
*
* For parallel port connected programmers, the pin definitions can be
* changed via a config file. See the config file for instructions on
* how to add a programmer definition.
*
*/
#include "ac_cfg.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "avrdude.h"
#include "libavrdude.h"
#include "term.h"
/* Get VERSION from ac_cfg.h */
char * version = VERSION;
char * progname;
char progbuf[PATH_MAX]; /* temporary buffer of spaces the same
length as progname; used for lining up
multiline messages */
int avrdude_message(const int msglvl, const char *format, ...)
{
int rc = 0;
va_list ap;
if (verbose >= msglvl) {
va_start(ap, format);
rc = vfprintf(stderr, format, ap);
va_end(ap);
}
return rc;
}
struct list_walk_cookie
{
FILE *f;
const char *prefix;
};
static LISTID updates = NULL;
static LISTID extended_params = NULL;
static LISTID additional_config_files = NULL;
static PROGRAMMER * pgm;
/*
* global options
*/
int verbose; /* verbose output */
int quell_progress; /* un-verebose output */
int ovsigck; /* 1=override sig check, 0=don't */
/*
* usage message
*/
static void usage(void)
{
avrdude_message(MSG_INFO,
"Usage: %s [options]\n"
"Options:\n"
" -p <partno> Required. Specify AVR device.\n"
" -b <baudrate> Override RS-232 baud rate.\n"
" -B <bitclock> Specify JTAG/STK500v2 bit clock period (us).\n"
" -C <config-file> Specify location of configuration file.\n"
" -c <programmer> Specify programmer type.\n"
" -D Disable auto erase for flash memory\n"
" -i <delay> ISP Clock Delay [in microseconds]\n"
" -P <port> Specify connection port.\n"
" -F Override invalid signature check.\n"
" -e Perform a chip erase.\n"
" -O Perform RC oscillator calibration (see AVR053). \n"
" -U <memtype>:r|w|v:<filename>[:format]\n"
" Memory operation specification.\n"
" Multiple -U options are allowed, each request\n"
" is performed in the order specified.\n"
" -n Do not write anything to the device.\n"
" -V Do not verify.\n"
" -u Disable safemode, default when running from a script.\n"
" -s Silent safemode operation, will not ask you if\n"
" fuses should be changed back.\n"
" -t Enter terminal mode.\n"
" -E <exitspec>[,<exitspec>] List programmer exit specifications.\n"
" -x <extended_param> Pass <extended_param> to programmer.\n"
" -v Verbose output. -v -v for more.\n"
" -q Quell progress output. -q -q for less.\n"
" -l logfile Use logfile rather than stderr for diagnostics.\n"
" -? Display this usage.\n"
"\navrdude version %s, URL: <http://savannah.nongnu.org/projects/avrdude/>\n"
,progname, version);
}
static void update_progress_tty (int percent, double etime, char *hdr)
{
static char hashes[51];
static char *header;
static int last = 0;
int i;
setvbuf(stderr, (char*)NULL, _IONBF, 0);
hashes[50] = 0;
memset (hashes, ' ', 50);
for (i=0; i<percent; i+=2) {
hashes[i/2] = '#';
}
if (hdr) {
avrdude_message(MSG_INFO, "\n");
last = 0;
header = hdr;
}
if (last == 0) {
avrdude_message(MSG_INFO, "\r%s | %s | %d%% %0.2fs",
header, hashes, percent, etime);
}
if (percent == 100) {
if (!last) avrdude_message(MSG_INFO, "\n\n");
last = 1;
}
setvbuf(stderr, (char*)NULL, _IOLBF, 0);
}
static void update_progress_no_tty (int percent, double etime, char *hdr)
{
static int done = 0;
static int last = 0;
int cnt = (percent>>1)*2;
setvbuf(stderr, (char*)NULL, _IONBF, 0);
if (hdr) {
avrdude_message(MSG_INFO, "\n%s | ", hdr);
last = 0;
done = 0;
}
else {
while ((cnt > last) && (done == 0)) {
avrdude_message(MSG_INFO, "#");
cnt -= 2;
}
}
if ((percent == 100) && (done == 0)) {
avrdude_message(MSG_INFO, " | 100%% %0.2fs\n\n", etime);
last = 0;
done = 1;
}
else
last = (percent>>1)*2; /* Make last a multiple of 2. */
setvbuf(stderr, (char*)NULL, _IOLBF, 0);
}
static void list_programmers_callback(const char *name, const char *desc,
const char *cfgname, int cfglineno,
void *cookie)
{
struct list_walk_cookie *c = (struct list_walk_cookie *)cookie;
if (verbose){
fprintf(c->f, "%s%-16s = %-30s [%s:%d]\n",
c->prefix, name, desc, cfgname, cfglineno);
} else {
fprintf(c->f, "%s%-16s = %-s\n",
c->prefix, name, desc);
}
}
static void list_programmers(FILE * f, const char *prefix, LISTID programmers)
{
struct list_walk_cookie c;
c.f = f;
c.prefix = prefix;
sort_programmers(programmers);
walk_programmers(programmers, list_programmers_callback, &c);
}
static void list_programmer_types_callback(const char *name, const char *desc,
void *cookie)
{
struct list_walk_cookie *c = (struct list_walk_cookie *)cookie;
fprintf(c->f, "%s%-16s = %-s\n",
c->prefix, name, desc);
}
static void list_programmer_types(FILE * f, const char *prefix)
{
struct list_walk_cookie c;
c.f = f;
c.prefix = prefix;
walk_programmer_types(list_programmer_types_callback, &c);
}
static void list_avrparts_callback(const char *name, const char *desc,
const char *cfgname, int cfglineno,
void *cookie)
{
struct list_walk_cookie *c = (struct list_walk_cookie *)cookie;
/* hide ids starting with '.' */
if ((verbose < 2) && (name[0] == '.'))
return;
if (verbose) {
fprintf(c->f, "%s%-8s = %-18s [%s:%d]\n",
c->prefix, name, desc, cfgname, cfglineno);
} else {
fprintf(c->f, "%s%-8s = %s\n",
c->prefix, name, desc);
}
}
static void list_parts(FILE * f, const char *prefix, LISTID avrparts)
{
struct list_walk_cookie c;
c.f = f;
c.prefix = prefix;
sort_avrparts(avrparts);
walk_avrparts(avrparts, list_avrparts_callback, &c);
}
static void exithook(void)
{
if (pgm->teardown)
pgm->teardown(pgm);
}
static void cleanup_main(void)
{
if (updates) {
ldestroy_cb(updates, (void(*)(void*))free_update);
updates = NULL;
}
if (extended_params) {
ldestroy(extended_params);
extended_params = NULL;
}
if (additional_config_files) {
ldestroy(additional_config_files);
additional_config_files = NULL;
}
cleanup_config();
}
/*
* main routine
*/
int main(int argc, char * argv [])
{
int rc; /* general return code checking */
int exitrc; /* exit code for main() */
int i; /* general loop counter */
int ch; /* options flag */
int len; /* length for various strings */
struct avrpart * p; /* which avr part we are programming */
AVRMEM * sig; /* signature data */
struct stat sb;
UPDATE * upd;
LNODEID * ln;
/* options / operating mode variables */
int erase; /* 1=erase chip, 0=don't */
int calibrate; /* 1=calibrate RC oscillator, 0=don't */
char * port; /* device port (/dev/xxx) */
int terminal; /* 1=enter terminal mode, 0=don't */
int verify; /* perform a verify operation */
char * exitspecs; /* exit specs string from command line */
char * programmer; /* programmer id */
char * partdesc; /* part id */
char sys_config[PATH_MAX]; /* system wide config file */
char usr_config[PATH_MAX]; /* per-user config file */
char * e; /* for strtol() error checking */
int baudrate; /* override default programmer baud rate */
double bitclock; /* Specify programmer bit clock (JTAG ICE) */
int ispdelay; /* Specify the delay for ISP clock */
int safemode; /* Enable safemode, 1=safemode on, 0=normal */
int silentsafe; /* Don't ask about fuses, 1=silent, 0=normal */
int init_ok; /* Device initialization worked well */
int is_open; /* Device open succeeded */
char * logfile; /* Use logfile rather than stderr for diagnostics */
enum updateflags uflags = UF_AUTO_ERASE; /* Flags for do_op() */
unsigned char safemode_lfuse = 0xff;
unsigned char safemode_hfuse = 0xff;
unsigned char safemode_efuse = 0xff;
unsigned char safemode_fuse = 0xff;
char * safemode_response;
int fuses_updated = 0;
#if !defined(WIN32NATIVE)
char * homedir;
#endif
/*
* Set line buffering for file descriptors so we see stdout and stderr
* properly interleaved.
*/
setvbuf(stdout, (char*)NULL, _IOLBF, 0);
setvbuf(stderr, (char*)NULL, _IOLBF, 0);
progname = strrchr(argv[0],'/');
#if defined (WIN32NATIVE)
/* take care of backslash as dir sep in W32 */
if (!progname) progname = strrchr(argv[0],'\\');
#endif /* WIN32NATIVE */
if (progname)
progname++;
else
progname = argv[0];
default_parallel[0] = 0;
default_serial[0] = 0;
default_bitclock = 0.0;
default_safemode = -1;
init_config();
atexit(cleanup_main);
updates = lcreat(NULL, 0);
if (updates == NULL) {
avrdude_message(MSG_INFO, "%s: cannot initialize updater list\n", progname);
exit(1);
}
extended_params = lcreat(NULL, 0);
if (extended_params == NULL) {
avrdude_message(MSG_INFO, "%s: cannot initialize extended parameter list\n", progname);
exit(1);
}
additional_config_files = lcreat(NULL, 0);
if (additional_config_files == NULL) {
avrdude_message(MSG_INFO, "%s: cannot initialize additional config files list\n", progname);
exit(1);
}
partdesc = NULL;
port = NULL;
erase = 0;
calibrate = 0;
p = NULL;
ovsigck = 0;
terminal = 0;
verify = 1; /* on by default */
quell_progress = 0;
exitspecs = NULL;
pgm = NULL;
programmer = default_programmer;
verbose = 0;
baudrate = 0;
bitclock = 0.0;
ispdelay = 0;
safemode = 1; /* Safemode on by default */
silentsafe = 0; /* Ask by default */
is_open = 0;
logfile = NULL;
#if defined(WIN32NATIVE)
win_sys_config_set(sys_config);
win_usr_config_set(usr_config);
#else
strcpy(sys_config, CONFIG_DIR);
i = strlen(sys_config);
if (i && (sys_config[i-1] != '/'))
strcat(sys_config, "/");
strcat(sys_config, "avrdude.conf");
usr_config[0] = 0;
homedir = getenv("HOME");
if (homedir != NULL) {
strcpy(usr_config, homedir);
i = strlen(usr_config);
if (i && (usr_config[i-1] != '/'))
strcat(usr_config, "/");
strcat(usr_config, ".avrduderc");
}
#endif
len = strlen(progname) + 2;
for (i=0; i<len; i++)
progbuf[i] = ' ';
progbuf[i] = 0;
/*
* check for no arguments
*/
if (argc == 1) {
usage();
return 0;
}
/*
* process command line arguments
*/
while ((ch = getopt(argc,argv,"?b:B:c:C:DeE:Fi:l:np:OP:qstU:uvVx:yY:")) != -1) {
switch (ch) {
case 'b': /* override default programmer baud rate */
baudrate = strtol(optarg, &e, 0);
if ((e == optarg) || (*e != 0)) {
avrdude_message(MSG_INFO, "%s: invalid baud rate specified '%s'\n",
progname, optarg);
exit(1);
}
break;
case 'B': /* specify JTAG ICE bit clock period */
bitclock = strtod(optarg, &e);
if (*e != 0) {
/* trailing unit of measure present */
int suffixlen = strlen(e);
switch (suffixlen) {
case 2:
if ((e[0] != 'h' && e[0] != 'H') || e[1] != 'z')
bitclock = 0.0;
else
/* convert from Hz to microseconds */
bitclock = 1E6 / bitclock;
break;
case 3:
if ((e[1] != 'h' && e[1] != 'H') || e[2] != 'z')
bitclock = 0.0;
else {
switch (e[0]) {
case 'M':
case 'm': /* no Millihertz here :) */
bitclock = 1.0 / bitclock;
break;
case 'k':
bitclock = 1E3 / bitclock;
break;
default:
bitclock = 0.0;
break;
}
}
break;
default:
bitclock = 0.0;
break;
}
if (bitclock == 0.0)
avrdude_message(MSG_INFO, "%s: invalid bit clock unit of measure '%s'\n",
progname, e);
}
if ((e == optarg) || bitclock == 0.0) {
avrdude_message(MSG_INFO, "%s: invalid bit clock period specified '%s'\n",
progname, optarg);
exit(1);
}
break;
case 'i': /* specify isp clock delay */
ispdelay = strtol(optarg, &e,10);
if ((e == optarg) || (*e != 0) || ispdelay == 0) {
avrdude_message(MSG_INFO, "%s: invalid isp clock delay specified '%s'\n",
progname, optarg);
exit(1);
}
break;
case 'c': /* programmer id */
programmer = optarg;
break;
case 'C': /* system wide configuration file */
if (optarg[0] == '+') {
ladd(additional_config_files, optarg+1);
} else {
strncpy(sys_config, optarg, PATH_MAX);
sys_config[PATH_MAX-1] = 0;
}
break;
case 'D': /* disable auto erase */
uflags &= ~UF_AUTO_ERASE;
break;
case 'e': /* perform a chip erase */
erase = 1;
uflags &= ~UF_AUTO_ERASE;
break;
case 'E':
exitspecs = optarg;
break;
case 'F': /* override invalid signature check */
ovsigck = 1;
break;
case 'l':
logfile = optarg;
break;
case 'n':
uflags |= UF_NOWRITE;
break;
case 'O': /* perform RC oscillator calibration */
calibrate = 1;
break;
case 'p' : /* specify AVR part */
partdesc = optarg;
break;
case 'P':
port = optarg;
break;
case 'q' : /* Quell progress output */
quell_progress++ ;
break;
case 's' : /* Silent safemode */
silentsafe = 1;
safemode = 1;
break;
case 't': /* enter terminal mode */
terminal = 1;
break;
case 'u' : /* Disable safemode */
safemode = 0;
break;
case 'U':
upd = parse_op(optarg);
if (upd == NULL) {
avrdude_message(MSG_INFO, "%s: error parsing update operation '%s'\n",
progname, optarg);
exit(1);
}
ladd(updates, upd);
if (verify && upd->op == DEVICE_WRITE) {
upd = dup_update(upd);
upd->op = DEVICE_VERIFY;
ladd(updates, upd);
}
break;
case 'v':
verbose++;
break;
case 'V':
verify = 0;
break;
case 'x':
ladd(extended_params, optarg);
break;
case 'y':
avrdude_message(MSG_INFO, "%s: erase cycle counter no longer supported\n",
progname);
break;
case 'Y':
avrdude_message(MSG_INFO, "%s: erase cycle counter no longer supported\n",
progname);
break;
case '?': /* help */
usage();
exit(0);
break;
default:
avrdude_message(MSG_INFO, "%s: invalid option -%c\n\n", progname, ch);
usage();
exit(1);
break;
}
}
if (logfile != NULL) {
FILE *newstderr = freopen(logfile, "w", stderr);
if (newstderr == NULL) {
/* Help! There's no stderr to complain to anymore now. */
printf("Cannot create logfile \"%s\": %s\n",
logfile, strerror(errno));
return 1;
}
}
if (quell_progress == 0) {
if (isatty (STDERR_FILENO))
update_progress = update_progress_tty;
else {
update_progress = update_progress_no_tty;
/* disable all buffering of stderr for compatibility with
software that captures and redirects output to a GUI
i.e. Programmers Notepad */
setvbuf( stderr, NULL, _IONBF, 0 );
setvbuf( stdout, NULL, _IONBF, 0 );
}
}
/*
* Print out an identifying string so folks can tell what version
* they are running
*/
avrdude_message(MSG_NOTICE, "\n%s: Version %s\n"
"%sCopyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/\n"
"%sCopyright (c) 2007-2014 Joerg Wunsch\n\n",
progname, version, progbuf, progbuf);
avrdude_message(MSG_NOTICE, "%sSystem wide configuration file is \"%s\"\n",
progbuf, sys_config);
rc = read_config(sys_config);
if (rc) {
avrdude_message(MSG_INFO, "%s: error reading system wide configuration file \"%s\"\n",
progname, sys_config);
exit(1);
}
if (usr_config[0] != 0) {
avrdude_message(MSG_NOTICE, "%sUser configuration file is \"%s\"\n",
progbuf, usr_config);
rc = stat(usr_config, &sb);
if ((rc < 0) || ((sb.st_mode & S_IFREG) == 0)) {
avrdude_message(MSG_NOTICE, "%sUser configuration file does not exist or is not a "
"regular file, skipping\n",
progbuf);
}
else {
rc = read_config(usr_config);
if (rc) {
avrdude_message(MSG_INFO, "%s: error reading user configuration file \"%s\"\n",
progname, usr_config);
exit(1);
}
}
}
if (lsize(additional_config_files) > 0) {
LNODEID ln1;
const char * p = NULL;
for (ln1=lfirst(additional_config_files); ln1; ln1=lnext(ln1)) {
p = ldata(ln1);
avrdude_message(MSG_NOTICE, "%sAdditional configuration file is \"%s\"\n",
progbuf, p);
rc = read_config(p);
if (rc) {
avrdude_message(MSG_INFO, "%s: error reading additional configuration file \"%s\"\n",
progname, p);
exit(1);
}
}
}
// set bitclock from configuration files unless changed by command line
if (default_bitclock > 0 && bitclock == 0.0) {
bitclock = default_bitclock;
}
avrdude_message(MSG_NOTICE, "\n");
if (partdesc) {
if (strcmp(partdesc, "?") == 0) {
avrdude_message(MSG_INFO, "\n");
avrdude_message(MSG_INFO, "Valid parts are:\n");
list_parts(stderr, " ", part_list);
avrdude_message(MSG_INFO, "\n");
exit(1);
}
}
if (programmer) {
if (strcmp(programmer, "?") == 0) {
avrdude_message(MSG_INFO, "\n");
avrdude_message(MSG_INFO, "Valid programmers are:\n");
list_programmers(stderr, " ", programmers);
avrdude_message(MSG_INFO, "\n");
exit(1);
}
if (strcmp(programmer, "?type") == 0) {
avrdude_message(MSG_INFO, "\n");
avrdude_message(MSG_INFO, "Valid programmer types are:\n");
list_programmer_types(stderr, " ");
avrdude_message(MSG_INFO, "\n");
exit(1);
}
}
if (programmer[0] == 0) {
avrdude_message(MSG_INFO, "\n%s: no programmer has been specified on the command line "
"or the config file\n",
progname);
avrdude_message(MSG_INFO, "%sSpecify a programmer using the -c option and try again\n\n",
progbuf);
exit(1);
}
pgm = locate_programmer(programmers, programmer);
if (pgm == NULL) {
avrdude_message(MSG_INFO, "\n");
avrdude_message(MSG_INFO, "%s: Can't find programmer id \"%s\"\n",
progname, programmer);
avrdude_message(MSG_INFO, "\nValid programmers are:\n");
list_programmers(stderr, " ", programmers);
avrdude_message(MSG_INFO, "\n");
exit(1);
}
if (pgm->initpgm) {
pgm->initpgm(pgm);
} else {
avrdude_message(MSG_INFO, "\n%s: Can't initialize the programmer.\n\n",
progname);
exit(1);
}
if (pgm->setup) {
pgm->setup(pgm);
}
if (pgm->teardown) {
atexit(exithook);
}
if (lsize(extended_params) > 0) {
if (pgm->parseextparams == NULL) {
avrdude_message(MSG_INFO, "%s: WARNING: Programmer doesn't support extended parameters,"
" -x option(s) ignored\n",
progname);
} else {
if (pgm->parseextparams(pgm, extended_params) < 0) {
avrdude_message(MSG_INFO, "%s: Error parsing extended parameter list\n",
progname);
exit(1);
}
}
}
if (port == NULL) {
switch (pgm->conntype)
{
case CONNTYPE_PARALLEL:
port = default_parallel;
break;
case CONNTYPE_SERIAL:
port = default_serial;
break;
case CONNTYPE_USB:
port = DEFAULT_USB;
break;
}
}
if (partdesc == NULL) {
avrdude_message(MSG_INFO, "%s: No AVR part has been specified, use \"-p Part\"\n\n",
progname);
avrdude_message(MSG_INFO, "Valid parts are:\n");
list_parts(stderr, " ", part_list);
avrdude_message(MSG_INFO, "\n");
exit(1);
}
p = locate_part(part_list, partdesc);
if (p == NULL) {
avrdude_message(MSG_INFO, "%s: AVR Part \"%s\" not found.\n\n",
progname, partdesc);
avrdude_message(MSG_INFO, "Valid parts are:\n");
list_parts(stderr, " ", part_list);
avrdude_message(MSG_INFO, "\n");
exit(1);
}
if (exitspecs != NULL) {
if (pgm->parseexitspecs == NULL) {
avrdude_message(MSG_INFO, "%s: WARNING: -E option not supported by this programmer type\n",
progname);
exitspecs = NULL;
}
else if (pgm->parseexitspecs(pgm, exitspecs) < 0) {
usage();
exit(1);
}
}
if (default_safemode == 0) {
/* configuration disables safemode: revert meaning of -u */
if (safemode == 0)
/* -u was given: enable safemode */
safemode = 1;
else
/* -u not given: turn off */
safemode = 0;
}
if (isatty(STDIN_FILENO) == 0 && silentsafe == 0)
safemode = 0; /* Turn off safemode if this isn't a terminal */
if(p->flags & AVRPART_AVR32) {
safemode = 0;
}
if(p->flags & (AVRPART_HAS_PDI | AVRPART_HAS_TPI)) {
safemode = 0;
}
if (avr_initmem(p) != 0)
{
avrdude_message(MSG_INFO, "\n%s: failed to initialize memories\n",
progname);
exit(1);
}
/*
* Now that we know which part we are going to program, locate any
* -U options using the default memory region, and fill in the
* device-dependent default region name, either "application" (for
* Xmega devices), or "flash" (everything else).
*/
for (ln=lfirst(updates); ln; ln=lnext(ln)) {
upd = ldata(ln);
if (upd->memtype == NULL) {
const char *mtype = (p->flags & AVRPART_HAS_PDI)? "application": "flash";
avrdude_message(MSG_NOTICE2, "%s: defaulting memtype in -U %c:%s option to \"%s\"\n",
progname,
(upd->op == DEVICE_READ)? 'r': (upd->op == DEVICE_WRITE)? 'w': 'v',
upd->filename, mtype);
if ((upd->memtype = strdup(mtype)) == NULL) {
avrdude_message(MSG_INFO, "%s: out of memory\n", progname);
exit(1);
}
}
}
/*
* open the programmer
*/
if (port[0] == 0) {
avrdude_message(MSG_INFO, "\n%s: no port has been specified on the command line "
"or in the config file\n",
progname);
avrdude_message(MSG_INFO, "%sSpecify a port using the -P option and try again\n\n",
progbuf);
exit(1);
}
if (verbose) {
avrdude_message(MSG_NOTICE, "%sUsing Port : %s\n", progbuf, port);
avrdude_message(MSG_NOTICE, "%sUsing Programmer : %s\n", progbuf, programmer);
if ((strcmp(pgm->type, "avr910") == 0)) {
avrdude_message(MSG_NOTICE, "%savr910_devcode (avrdude.conf) : ", progbuf);
if(p->avr910_devcode)avrdude_message(MSG_INFO, "0x%x\n", p->avr910_devcode);
else avrdude_message(MSG_NOTICE, "none\n");
}
}
if (baudrate != 0) {
avrdude_message(MSG_NOTICE, "%sOverriding Baud Rate : %d\n", progbuf, baudrate);
pgm->baudrate = baudrate;
}
if (bitclock != 0.0) {
avrdude_message(MSG_NOTICE, "%sSetting bit clk period : %.1f\n", progbuf, bitclock);
pgm->bitclock = bitclock * 1e-6;
}
if (ispdelay != 0) {
avrdude_message(MSG_NOTICE, "%sSetting isp clock delay : %3i\n", progbuf, ispdelay);
pgm->ispdelay = ispdelay;
}
rc = pgm->open(pgm, port);
if (rc < 0) {
exitrc = 1;
pgm->ppidata = 0; /* clear all bits at exit */
goto main_exit;
}
is_open = 1;
if (calibrate) {
/*
* perform an RC oscillator calibration
* as outlined in appnote AVR053
*/
if (pgm->perform_osccal == 0) {
avrdude_message(MSG_INFO, "%s: programmer does not support RC oscillator calibration\n",
progname);
exitrc = 1;
} else {
avrdude_message(MSG_INFO, "%s: performing RC oscillator calibration\n", progname);
exitrc = pgm->perform_osccal(pgm);
}
if (exitrc == 0 && quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: calibration value is now stored in EEPROM at address 0\n",
progname);
}
goto main_exit;
}
if (verbose) {
avr_display(stderr, p, progbuf, verbose);
avrdude_message(MSG_NOTICE, "\n");
programmer_display(pgm, progbuf);
}
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "\n");
}
exitrc = 0;
/*
* enable the programmer
*/
pgm->enable(pgm);
/*
* turn off all the status leds
*/
pgm->rdy_led(pgm, OFF);
pgm->err_led(pgm, OFF);
pgm->pgm_led(pgm, OFF);
pgm->vfy_led(pgm, OFF);
/*
* initialize the chip in preperation for accepting commands
*/
init_ok = (rc = pgm->initialize(pgm, p)) >= 0;
if (!init_ok) {
avrdude_message(MSG_INFO, "%s: initialization failed, rc=%d\n", progname, rc);
if (!ovsigck) {
avrdude_message(MSG_INFO, "%sDouble check connections and try again, "
"or use -F to override\n"
"%sthis check.\n\n",
progbuf, progbuf);
exitrc = 1;
goto main_exit;
}
}
/* indicate ready */
pgm->rdy_led(pgm, ON);
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: AVR device initialized and ready to accept instructions\n",
progname);
}
/*
* Let's read the signature bytes to make sure there is at least a
* chip on the other end that is responding correctly. A check
* against 0xffffff / 0x000000 should ensure that the signature bytes
* are valid.
*/
if(!(p->flags & AVRPART_AVR32)) {
int attempt = 0;
int waittime = 10000; /* 10 ms */
sig_again:
usleep(waittime);
if (init_ok) {
rc = avr_signature(pgm, p);
if (rc != 0) {
// -68 == -(0x44) == -(RSP3_FAIL_OCD_LOCKED)
if ((rc == -68) && (p->flags & AVRPART_HAS_UPDI) && (attempt < 1)) {
attempt++;
if (pgm->read_sib) {
// Read SIB and compare FamilyID
char sib[AVR_SIBLEN + 1];
pgm->read_sib(pgm, p, sib);
avrdude_message(MSG_NOTICE, "%s: System Information Block: \"%s\"\n",
progname, sib);
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: Received FamilyID: \"%.*s\"\n", progname, AVR_FAMILYIDLEN, sib);
}
if (strncmp(p->family_id, sib, AVR_FAMILYIDLEN)) {
avrdude_message(MSG_INFO, "%s: Expected FamilyID: \"%s\"\n", progname, p->family_id);
if (!ovsigck) {
avrdude_message(MSG_INFO, "%sDouble check chip, "
"or use -F to override this check.\n",
progbuf);
exitrc = 1;
goto main_exit;
}
}
}
if(erase) {
erase = 0;
if (uflags & UF_NOWRITE) {
avrdude_message(MSG_INFO, "%s: conflicting -e and -n options specified, NOT erasing chip\n",
progname);
} else {
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: erasing chip\n", progname);
}
exitrc = avr_unlock(pgm, p);
if(exitrc) goto main_exit;
goto sig_again;
}
}
}
avrdude_message(MSG_INFO, "%s: error reading signature data, rc=%d\n",
progname, rc);
exitrc = 1;
goto main_exit;
}
}
sig = avr_locate_mem(p, "signature");
if (sig == NULL) {
avrdude_message(MSG_INFO, "%s: WARNING: signature data not defined for device \"%s\"\n",
progname, p->desc);
}
if (sig != NULL) {
int ff, zz;
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: Device signature = 0x", progname);
}
ff = zz = 1;
for (i=0; i<sig->size; i++) {
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%02x", sig->buf[i]);
}
if (sig->buf[i] != 0xff)
ff = 0;
if (sig->buf[i] != 0x00)
zz = 0;
}
if (quell_progress < 2) {
AVRPART * part;
part = locate_part_by_signature(part_list, sig->buf, sig->size);
if (part) {
avrdude_message(MSG_INFO, " (probably %s)", part->id);
}
}
if (ff || zz) {
if (++attempt < 3) {
waittime *= 5;
if (quell_progress < 2) {
avrdude_message(MSG_INFO, " (retrying)\n");
}
goto sig_again;
}
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "\n");
}
avrdude_message(MSG_INFO, "%s: Yikes! Invalid device signature.\n", progname);
if (!ovsigck) {
avrdude_message(MSG_INFO, "%sDouble check connections and try again, "
"or use -F to override\n"
"%sthis check.\n\n",
progbuf, progbuf);
exitrc = 1;
goto main_exit;
}
} else {
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "\n");
}
}
if (sig->size != 3 ||
sig->buf[0] != p->signature[0] ||
sig->buf[1] != p->signature[1] ||
sig->buf[2] != p->signature[2]) {
avrdude_message(MSG_INFO, "%s: Expected signature for %s is %02X %02X %02X\n",
progname, p->desc,
p->signature[0], p->signature[1], p->signature[2]);
if (!ovsigck) {
avrdude_message(MSG_INFO, "%sDouble check chip, "
"or use -F to override this check.\n",
progbuf);
exitrc = 1;
goto main_exit;
}
}
}
}
if (init_ok && safemode == 1) {
/* If safemode is enabled, go ahead and read the current low, high,
and extended fuse bytes as needed */
rc = safemode_readfuses(&safemode_lfuse, &safemode_hfuse,
&safemode_efuse, &safemode_fuse, pgm, p);
if (rc != 0) {
//Check if the programmer just doesn't support reading
if (rc == -5)
{
avrdude_message(MSG_NOTICE, "%s: safemode: Fuse reading not supported by programmer.\n"
" Safemode disabled.\n", progname);
}
else
{
avrdude_message(MSG_INFO, "%s: safemode: To protect your AVR the programming "
"will be aborted\n",
progname);
exitrc = 1;
goto main_exit;
}
} else {
//Save the fuses as default
safemode_memfuses(1, &safemode_lfuse, &safemode_hfuse, &safemode_efuse, &safemode_fuse);
}
}
if (uflags & UF_AUTO_ERASE) {
if ((p->flags & AVRPART_HAS_PDI) && pgm->page_erase != NULL &&
lsize(updates) > 0) {
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: NOTE: Programmer supports page erase for Xmega devices.\n"
"%sEach page will be erased before programming it, but no chip erase is performed.\n"
"%sTo disable page erases, specify the -D option; for a chip-erase, use the -e option.\n",
progname, progbuf, progbuf);
}
} else {
AVRMEM * m;
const char *memname = (p->flags & AVRPART_HAS_PDI)? "application": "flash";
uflags &= ~UF_AUTO_ERASE;
for (ln=lfirst(updates); ln; ln=lnext(ln)) {
upd = ldata(ln);
m = avr_locate_mem(p, upd->memtype);
if (m == NULL)
continue;
if ((strcasecmp(m->desc, memname) == 0) && (upd->op == DEVICE_WRITE)) {
erase = 1;
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: NOTE: \"%s\" memory has been specified, an erase cycle "
"will be performed\n"
"%sTo disable this feature, specify the -D option.\n",
progname, memname, progbuf);
}
break;
}
}
}
}
if (init_ok && erase) {
/*
* erase the chip's flash and eeprom memories, this is required
* before the chip can accept new programming
*/
if (uflags & UF_NOWRITE) {
avrdude_message(MSG_INFO, "%s: conflicting -e and -n options specified, NOT erasing chip\n",
progname);
} else {
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: erasing chip\n", progname);
}
exitrc = avr_chip_erase(pgm, p);
if(exitrc) goto main_exit;
}
}
if (terminal) {
/*
* terminal mode
*/
exitrc = terminal_mode(pgm, p);
}
if (!init_ok) {
/*
* If we came here by the -tF options, bail out now.
*/
exitrc = 1;
goto main_exit;
}
for (ln=lfirst(updates); ln; ln=lnext(ln)) {
upd = ldata(ln);
rc = do_op(pgm, p, upd, uflags);
if (rc) {
exitrc = 1;
break;
}
}
/* Right before we exit programming mode, which will make the fuse
bits active, check to make sure they are still correct */
if (safemode == 1) {
/* If safemode is enabled, go ahead and read the current low,
* high, and extended fuse bytes as needed */
unsigned char safemodeafter_lfuse = 0xff;
unsigned char safemodeafter_hfuse = 0xff;
unsigned char safemodeafter_efuse = 0xff;
unsigned char safemodeafter_fuse = 0xff;
unsigned char failures = 0;
char yes[1] = {'y'};
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "\n");
}
//Restore the default fuse values
safemode_memfuses(0, &safemode_lfuse, &safemode_hfuse, &safemode_efuse, &safemode_fuse);
/* Try reading back fuses, make sure they are reliable to read back */
if (safemode_readfuses(&safemodeafter_lfuse, &safemodeafter_hfuse,
&safemodeafter_efuse, &safemodeafter_fuse, pgm, p) != 0) {
/* Uh-oh.. try once more to read back fuses */
if (safemode_readfuses(&safemodeafter_lfuse, &safemodeafter_hfuse,
&safemodeafter_efuse, &safemodeafter_fuse, pgm, p) != 0) {
avrdude_message(MSG_INFO, "%s: safemode: Sorry, reading back fuses was unreliable. "
"I have given up and exited programming mode\n",
progname);
exitrc = 1;
goto main_exit;
}
}
AVRMEM * m;
/* Now check what fuses are against what they should be */
m = avr_locate_mem(p, "fuse");
if (compare_memory_masked(m, safemodeafter_fuse, safemode_fuse)) {
fuses_updated = 1;
avrdude_message(MSG_INFO, "%s: safemode: fuse changed! Was %x, and is now %x\n",
progname, safemode_fuse, safemodeafter_fuse);
/* Ask user - should we change them */
if (silentsafe == 0)
safemode_response = terminal_get_input("Would you like this fuse to be changed back? [y/n] ");
else
safemode_response = yes;
if (tolower((int)(safemode_response[0])) == 'y') {
/* Enough chit-chat, time to program some fuses and check them */
if (safemode_writefuse (safemode_fuse, "fuse", pgm, p,
10) == 0) {
avrdude_message(MSG_INFO, "%s: safemode: and is now rescued\n", progname);
}
else {
avrdude_message(MSG_INFO, "%s: and COULD NOT be changed\n", progname);
failures++;
}
}
}
/* Now check what fuses are against what they should be */
m = avr_locate_mem(p, "lfuse");
if (compare_memory_masked(m, safemodeafter_lfuse, safemode_lfuse)) {
fuses_updated = 1;
avrdude_message(MSG_INFO, "%s: safemode: lfuse changed! Was %x, and is now %x\n",
progname, safemode_lfuse, safemodeafter_lfuse);
/* Ask user - should we change them */
if (silentsafe == 0)
safemode_response = terminal_get_input("Would you like this fuse to be changed back? [y/n] ");
else
safemode_response = yes;
if (tolower((int)(safemode_response[0])) == 'y') {
/* Enough chit-chat, time to program some fuses and check them */
if (safemode_writefuse (safemode_lfuse, "lfuse", pgm, p,
10) == 0) {
avrdude_message(MSG_INFO, "%s: safemode: and is now rescued\n", progname);
}
else {
avrdude_message(MSG_INFO, "%s: and COULD NOT be changed\n", progname);
failures++;
}
}
}
/* Now check what fuses are against what they should be */
m = avr_locate_mem(p, "hfuse");
if (compare_memory_masked(m, safemodeafter_hfuse, safemode_hfuse)) {
fuses_updated = 1;
avrdude_message(MSG_INFO, "%s: safemode: hfuse changed! Was %x, and is now %x\n",
progname, safemode_hfuse, safemodeafter_hfuse);
/* Ask user - should we change them */
if (silentsafe == 0)
safemode_response = terminal_get_input("Would you like this fuse to be changed back? [y/n] ");
else
safemode_response = yes;
if (tolower((int)(safemode_response[0])) == 'y') {
/* Enough chit-chat, time to program some fuses and check them */
if (safemode_writefuse(safemode_hfuse, "hfuse", pgm, p,
10) == 0) {
avrdude_message(MSG_INFO, "%s: safemode: and is now rescued\n", progname);
}
else {
avrdude_message(MSG_INFO, "%s: and COULD NOT be changed\n", progname);
failures++;
}
}
}
/* Now check what fuses are against what they should be */
m = avr_locate_mem(p, "efuse");
if (compare_memory_masked(m, safemodeafter_efuse, safemode_efuse)) {
fuses_updated = 1;
avrdude_message(MSG_INFO, "%s: safemode: efuse changed! Was %x, and is now %x\n",
progname, safemode_efuse, safemodeafter_efuse);
/* Ask user - should we change them */
if (silentsafe == 0)
safemode_response = terminal_get_input("Would you like this fuse to be changed back? [y/n] ");
else
safemode_response = yes;
if (tolower((int)(safemode_response[0])) == 'y') {
/* Enough chit-chat, time to program some fuses and check them */
if (safemode_writefuse (safemode_efuse, "efuse", pgm, p,
10) == 0) {
avrdude_message(MSG_INFO, "%s: safemode: and is now rescued\n", progname);
}
else {
avrdude_message(MSG_INFO, "%s: and COULD NOT be changed\n", progname);
failures++;
}
}
}
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "%s: safemode: ", progname);
if (failures == 0) {
avrdude_message(MSG_INFO, "Fuses OK (E:%02X, H:%02X, L:%02X)\n",
safemodeafter_efuse, safemodeafter_hfuse, safemodeafter_lfuse);
}
else {
avrdude_message(MSG_INFO, "Fuses not recovered, sorry\n");
}
}
if (fuses_updated) {
exitrc = 1;
}
}
main_exit:
/*
* program complete
*/
if (is_open) {
pgm->powerdown(pgm);
pgm->disable(pgm);
pgm->rdy_led(pgm, OFF);
pgm->close(pgm);
}
if (quell_progress < 2) {
avrdude_message(MSG_INFO, "\n%s done. Thank you.\n\n", progname);
}
return exitrc;
}
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