/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2000-2005 Brian S. Dean <bsd@bsdhome.com>
* Copyright 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 <whereami.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"
#include "developer_opts.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"
" -A Disable trailing-0xff removal from file and AVR read.\n"
" -D Disable auto erase for flash memory; implies -A.\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"
" -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: <https://github.com/avrdudes/avrdude>\n"
,progname, version);
}
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 (*name == 0 || *name == '.')
return;
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();
}
static void replace_backslashes(char *s)
{
// Replace all backslashes with forward slashes
for (size_t i = 0; i < strlen(s); i++) {
if (s[i] == '\\') {
s[i] = '/';
}
}
}
// Return 2 if string is * or starts with */, 1 if string contains /, 0 otherwise
static int dev_opt(char *str) {
return
!str? 0:
!strcmp(str, "*") || !strncmp(str, "*/", 2)? 2:
!!strchr(str, '/');
}
/*
* 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 */
const 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 executable_abspath[PATH_MAX]; /* absolute path to avrdude executable */
char executable_dirpath[PATH_MAX]; /* absolute path to folder with executable */
bool executable_abspath_found = false; /* absolute path to executable found */
bool sys_config_found = false; /* 'avrdude.conf' file found */
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 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 | UF_VERIFY; /* Flags for do_op() */
#if !defined(WIN32)
char * homedir;
#endif
#ifdef _MSC_VER
_set_printf_count_output(1);
#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);
sys_config[0] = '\0';
progname = strrchr(argv[0],'/');
#if defined (WIN32)
/* take care of backslash as dir sep in W32 */
if (!progname) progname = strrchr(argv[0],'\\');
#endif /* WIN32 */
if (progname)
progname++;
else
progname = argv[0];
default_programmer = "";
default_parallel = "";
default_serial = "";
default_spi = "";
default_bitclock = 0.0;
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;
quell_progress = 0;
exitspecs = NULL;
pgm = NULL;
programmer = cfg_strdup("main()", default_programmer);
verbose = 0;
baudrate = 0;
bitclock = 0.0;
ispdelay = 0;
is_open = 0;
logfile = NULL;
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,"?Ab: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;
/* fall through */
case 'A': /* explicit disabling of trailing-0xff removal */
disable_trailing_ff_removal();
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 't': /* enter terminal mode */
terminal = 1;
break;
case 's':
case 'u':
avrdude_message(MSG_INFO, "%s: \"safemode\" feature no longer supported\n",
progname);
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);
break;
case 'v':
verbose++;
break;
case 'V':
uflags &= ~UF_VERIFY;
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;
}
}
/* search for system configuration file unless -C conffile was given */
if (strlen(sys_config) == 0) {
/*
* EXECUTABLE ABSPATH
* ------------------
* Determine the absolute path to avrdude executable. This will be used to
* locate the 'avrdude.conf' file later.
*/
int executable_dirpath_len;
int executable_abspath_len = wai_getExecutablePath(
executable_abspath,
PATH_MAX,
&executable_dirpath_len
);
if (
(executable_abspath_len != -1) &&
(executable_abspath_len != 0) &&
(executable_dirpath_len != -1) &&
(executable_dirpath_len != 0)
) {
// All requirements satisfied, executable path was found
executable_abspath_found = true;
// Make sure the string is null terminated
executable_abspath[executable_abspath_len] = '\0';
replace_backslashes(executable_abspath);
// Define 'executable_dirpath' to be the path to the parent folder of the
// executable.
strcpy(executable_dirpath, executable_abspath);
executable_dirpath[executable_dirpath_len] = '\0';
// Debug output
avrdude_message(MSG_DEBUG, "executable_abspath = %s\n", executable_abspath);
avrdude_message(MSG_DEBUG, "executable_abspath_len = %i\n", executable_abspath_len);
avrdude_message(MSG_DEBUG, "executable_dirpath = %s\n", executable_dirpath);
avrdude_message(MSG_DEBUG, "executable_dirpath_len = %i\n", executable_dirpath_len);
}
/*
* SYSTEM CONFIG
* -------------
* Determine the location of 'avrdude.conf'. Check in this order:
* 1. <dirpath of executable>/../etc/avrdude.conf
* 2. <dirpath of executable>/avrdude.conf
* 3. CONFIG_DIR/avrdude.conf
*
* When found, write the result into the 'sys_config' variable.
*/
if (executable_abspath_found) {
// 1. Check <dirpath of executable>/../etc/avrdude.conf
strcpy(sys_config, executable_dirpath);
sys_config[PATH_MAX - 1] = '\0';
i = strlen(sys_config);
if (i && (sys_config[i - 1] != '/'))
strcat(sys_config, "/");
strcat(sys_config, "../etc/" SYSTEM_CONF_FILE);
sys_config[PATH_MAX - 1] = '\0';
if (access(sys_config, F_OK) == 0) {
sys_config_found = true;
}
else {
// 2. Check <dirpath of executable>/avrdude.conf
strcpy(sys_config, executable_dirpath);
sys_config[PATH_MAX - 1] = '\0';
i = strlen(sys_config);
if (i && (sys_config[i - 1] != '/'))
strcat(sys_config, "/");
strcat(sys_config, SYSTEM_CONF_FILE);
sys_config[PATH_MAX - 1] = '\0';
if (access(sys_config, F_OK) == 0) {
sys_config_found = true;
}
}
}
if (!sys_config_found) {
// 3. Check CONFIG_DIR/avrdude.conf
#if defined(WIN32)
win_sys_config_set(sys_config);
#else
strcpy(sys_config, CONFIG_DIR);
i = strlen(sys_config);
if (i && (sys_config[i - 1] != '/'))
strcat(sys_config, "/");
strcat(sys_config, SYSTEM_CONF_FILE);
#endif
if (access(sys_config, F_OK) == 0) {
sys_config_found = true;
}
}
}
// Debug output
avrdude_message(MSG_DEBUG, "sys_config = %s\n", sys_config);
avrdude_message(MSG_DEBUG, "sys_config_found = %s\n", sys_config_found ? "true" : "false");
avrdude_message(MSG_DEBUG, "\n");
/*
* USER CONFIG
* -----------
* Determine the location of '.avrduderc'.
*/
#if defined(WIN32)
win_usr_config_set(usr_config);
#else
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, USER_CONF_FILE);
}
#endif
if (quell_progress == 0)
terminal_setup_update_progress();
/*
* 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) Brian Dean, http://www.bdmicro.com/\n"
"%sCopyright (c) 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;
}
// Developer options to print parts and/or programmer entries of avrdude.conf
int dev_opt_c = dev_opt(programmer); // -c <wildcard>/[sSArt]
int dev_opt_p = dev_opt(partdesc); // -p <wildcard>/[dsSArcow*t]
if(dev_opt_c || dev_opt_p) { // See -c/h and or -p/h
dev_output_pgm_part(dev_opt_c, programmer, dev_opt_p, partdesc);
exit(0);
}
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 = cfg_strdup("main()", default_parallel);
break;
case CONNTYPE_SERIAL:
port = cfg_strdup("main()", default_serial);
break;
case CONNTYPE_USB:
port = DEFAULT_USB;
break;
case CONNTYPE_SPI:
#ifdef HAVE_LINUXSPI
port = cfg_strdup("main()", *default_spi? default_spi: "unknown");
#endif
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 (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, fill in the device-dependent
* default region name ("application" for Xmega parts or "flash" otherwise)
* and check for basic problems with memory names or file access with a
* view to exit before programming.
*/
int doexit = 0;
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);
upd->memtype = cfg_strdup("main()", mtype);
}
rc = update_dryrun(p, upd);
if (rc && rc != LIBAVRDUDE_SOFTFAIL)
doexit = 1;
}
if(doexit)
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) {
avrdude_message(MSG_INFO,
"%s: opening programmer \"%s\" on port \"%s\" failed\n",
progname, programmer, port);
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, p);
/*
* 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 preparation 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 != LIBAVRDUDE_SUCCESS) {
if ((rc == LIBAVRDUDE_SOFTFAIL) && (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;
}
bool signature_matches =
sig->size == 3 &&
sig->buf[0] == p->signature[0] &&
sig->buf[1] == p->signature[1] &&
sig->buf[2] == p->signature[2];
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)", signature_matches ? p->id : 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 (!signature_matches) {
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 (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 ((strcmp(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 && rc != LIBAVRDUDE_SOFTFAIL) {
exitrc = 1;
break;
}
}
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;
}