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avrdude/src/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 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 "config.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(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;
}
static const char *avrdude_message_type(int msglvl) {
switch(msglvl) {
case MSG_EXT_ERROR: return "OS error";
case MSG_ERROR: return "error";
case MSG_WARNING: return "warning";
case MSG_INFO: return "info";
case MSG_NOTICE: return "notice";
case MSG_NOTICE2: return "notice2";
case MSG_DEBUG: return "debug";
case MSG_TRACE: return "trace";
case MSG_TRACE2: return "trace2";
default: return "unknown msglvl";
}
}
int avrdude_message2(const char *fname, int msgmode, int msglvl, const char *format, ...) {
int rc = 0;
va_list ap;
if(msgmode & MSG2_FLUSH) {
fflush(stdout);
fflush(stderr);
}
// Reduce effective verbosity level by number of -q above one
if ((quell_progress < 2? verbose: verbose+1-quell_progress) >= msglvl) {
if(msgmode & MSG2_PROGNAME) {
fprintf(stderr, "%s", progname);
if(verbose >= MSG_NOTICE && (msgmode & MSG2_FUNCTION))
fprintf(stderr, " %s()", fname);
if(msgmode & MSG2_TYPE)
fprintf(stderr, " %s", avrdude_message_type(msglvl));
fprintf(stderr, ": ");
} else if(msgmode & MSG2_INDENT1) {
fprintf(stderr, "%*s", (int) strlen(progname)+1, "");
} else if(msgmode & MSG2_INDENT2) {
fprintf(stderr, "%*s", (int) strlen(progname)+2, "");
}
va_start(ap, format);
rc = vfprintf(stderr, format, ap);
va_end(ap);
}
if(msgmode & MSG2_FLUSH)
fflush(stderr);
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)
{
msg_error(
"Usage: %s [options]\n"
"Options:\n"
" -p <partno> 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 char *via_prog_modes(int pm) {
static char type[1024];
strcpy(type, "?");
if(pm & PM_SPM)
strcat(type, ", bootloader");
if(pm & PM_TPI)
strcat(type, ", TPI");
if(pm & PM_ISP)
strcat(type, ", ISP");
if(pm & PM_PDI)
strcat(type, ", PDI");
if(pm & PM_UPDI)
strcat(type, ", UPDI");
if(pm & PM_HVSP)
strcat(type, ", HVSP");
if(pm & PM_HVPP)
strcat(type, ", HVPP");
if(pm & PM_debugWIRE)
strcat(type, ", debugWIRE");
if(pm & PM_JTAG)
strcat(type, ", JTAG");
if(pm & PM_JTAGmkI)
strcat(type, ", JTAGmkI");
if(pm & PM_XMEGAJTAG)
strcat(type, ", XMEGAJTAG");
if(pm & PM_AVR32JTAG)
strcat(type, ", AVR32JTAG");
if(pm & PM_aWire)
strcat(type, ", aWire");
return type + (type[1] == 0? 0: 3);
}
// Potentially shorten copy of prog description if it's the suggested mode
static void pmshorten(char *desc, const char *modes) {
struct { const char *end, *mode; } pairs[] = {
{" in parallel programming mode", "HVPP"},
{" in PP mode", "HVPP"},
{" in high-voltage serial programming mode", "HVSP"},
{" in HVSP mode", "HVSP"},
{" in ISP mode", "ISP"},
{" in debugWire mode", "debugWIRE"},
{" in AVR32 mode", "aWire"},
{" in PDI mode", "PDI"},
{" in UPDI mode", "UPDI"},
{" in JTAG mode", "JTAG"},
{" in JTAG mode", "JTAGmkI"},
{" in JTAG mode", "XMEGAJTAG"},
{" in JTAG mode", "AVR32JTAG"},
{" for bootloader", "bootloader"},
};
size_t len = strlen(desc);
for(size_t i=0; i<sizeof pairs/sizeof*pairs; i++) {
size_t elen = strlen(pairs[i].end);
if(len > elen && strcasecmp(desc+len-elen, pairs[i].end) == 0 && strcmp(modes, pairs[i].mode) == 0) {
desc[len-elen] = 0;
break;
}
}
}
static void list_programmers(FILE *f, const char *prefix, LISTID programmers, int pm) {
LNODEID ln1;
LNODEID ln2;
PROGRAMMER *pgm;
int maxlen=0, len;
sort_programmers(programmers);
// Compute max length of programmer names
for(ln1 = lfirst(programmers); ln1; ln1 = lnext(ln1)) {
pgm = ldata(ln1);
for(ln2=lfirst(pgm->id); ln2; ln2=lnext(ln2))
if(!pm || !pgm->prog_modes || (pm & pgm->prog_modes)) {
const char *id = ldata(ln2);
if(*id == 0 || *id == '.')
continue;
if((len = strlen(id)) > maxlen)
maxlen = len;
}
}
for(ln1 = lfirst(programmers); ln1; ln1 = lnext(ln1)) {
pgm = ldata(ln1);
for(ln2=lfirst(pgm->id); ln2; ln2=lnext(ln2)) {
// List programmer if pm or prog_modes uninitialised or if they are compatible otherwise
if(!pm || !pgm->prog_modes || (pm & pgm->prog_modes)) {
const char *id = ldata(ln2);
char *desc = cfg_strdup("list_programmers()", pgm->desc);
const char *modes = via_prog_modes(pm & pgm->prog_modes);
if(pm != ~0)
pmshorten(desc, modes);
if(*id == 0 || *id == '.')
continue;
if(verbose)
fprintf(f, "%s%-*s = %-30s [%s:%d]", prefix, maxlen, id, desc, pgm->config_file, pgm->lineno);
else
fprintf(f, "%s%-*s = %-s", prefix, maxlen, id, desc);
if(pm != ~0)
fprintf(f, " via %s", modes);
fprintf(f, "\n");
free(desc);
}
}
}
}
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_parts(FILE *f, const char *prefix, LISTID avrparts, int pm) {
LNODEID ln1;
AVRPART *p;
int maxlen=0, len;
sort_avrparts(avrparts);
// Compute max length of part names
for(ln1 = lfirst(avrparts); ln1; ln1 = lnext(ln1)) {
p = ldata(ln1);
// List part if pm or prog_modes uninitialised or if they are compatible otherwise
if(!pm || !p->prog_modes || (pm & p->prog_modes)) {
if(verbose < 2 && p->id[0] == '.') // hide ids starting with '.'
continue;
if((len = strlen(p->id)) > maxlen)
maxlen = len;
}
}
for(ln1 = lfirst(avrparts); ln1; ln1 = lnext(ln1)) {
p = ldata(ln1);
// List part if pm or prog_modes uninitialised or if they are compatible otherwise
if(!pm || !p->prog_modes || (pm & p->prog_modes)) {
if(verbose < 2 && p->id[0] == '.') // hide ids starting with '.'
continue;
if(verbose)
fprintf(f, "%s%-*s = %-18s [%s:%d]", prefix, maxlen, p->id, p->desc, p->config_file, p->lineno);
else
fprintf(f, "%s%-*s = %s", prefix, maxlen, p->id, p->desc);
if(pm != ~0)
fprintf(f, " via %s", via_prog_modes(pm & p->prog_modes));
fprintf(f, "\n");
}
}
}
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, '/');
}
static void exit_programmer_not_found(const char *programmer) {
msg_error("\n");
if(programmer && *programmer)
pmsg_error("cannot find programmer id %s\n", programmer);
else {
pmsg_error("no programmer has been specified on the command line or in the\n");
imsg_error("config file(s); specify one using the -c option and try again\n");
}
msg_error("\nValid programmers are:\n");
list_programmers(stderr, " ", programmers, ~0);
msg_error("\n");
exit(1);
}
static void exit_part_not_found(const char *partdesc) {
msg_error("\n");
if(partdesc && *partdesc)
pmsg_error("AVR part %s not found\n", partdesc);
else
pmsg_error("no AVR part has been specified; use -p part\n");
msg_error("\nValid parts are:\n");
list_parts(stderr, " ", part_list, ~0);
msg_error("\n");
exit(1);
}
/*
* 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];
// Remove trailing .exe
if(strlen(progname) > 4 && strcmp(progname+strlen(progname)-4, ".exe") == 0) {
progname = cfg_strdup("main()", progname); // Don't write to argv[0]
progname[strlen(progname)-4] = 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) {
pmsg_error("cannot initialize updater list\n");
exit(1);
}
extended_params = lcreat(NULL, 0);
if (extended_params == NULL) {
pmsg_error("cannot initialize extended parameter list\n");
exit(1);
}
additional_config_files = lcreat(NULL, 0);
if (additional_config_files == NULL) {
pmsg_error("cannot initialize additional config files list\n");
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)) {
pmsg_error("invalid baud rate specified '%s'\n", 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)
pmsg_error("invalid bit clock unit of measure '%s'\n", e);
}
if ((e == optarg) || bitclock == 0.0) {
pmsg_error("invalid bit clock period specified '%s'\n", optarg);
exit(1);
}
break;
case 'i': /* specify isp clock delay */
ispdelay = strtol(optarg, &e,10);
if ((e == optarg) || (*e != 0) || ispdelay == 0) {
pmsg_error("invalid isp clock delay specified '%s'\n", 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':
pmsg_error("\"safemode\" feature no longer supported\n");
break;
case 'U':
upd = parse_op(optarg);
if (upd == NULL) {
pmsg_error("unable to parse update operation '%s'\n", 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':
pmsg_error("erase cycle counter no longer supported\n");
break;
case 'Y':
pmsg_error("erase cycle counter no longer supported\n");
break;
case '?': /* help */
usage();
exit(0);
break;
default:
pmsg_error("invalid option -%c\n\n", 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
msg_debug("executable_abspath = %s\n", executable_abspath);
msg_debug("executable_abspath_len = %i\n", executable_abspath_len);
msg_debug("executable_dirpath = %s\n", executable_dirpath);
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
msg_debug("sys_config = %s\n", sys_config);
msg_debug("sys_config_found = %s\n", sys_config_found ? "true" : "false");
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
*/
msg_notice("\n");
pmsg_notice("Version %s\n", version);
imsg_notice("Copyright (c) Brian Dean, http://www.bdmicro.com/\n");
imsg_notice("Copyright (c) Joerg Wunsch\n\n");
if(*sys_config) {
char *real_sys_config = realpath(sys_config, NULL);
if(real_sys_config) {
imsg_notice("System wide configuration file is %s\n", real_sys_config);
} else
pmsg_warning("cannot determine realpath() of config file %s: %s\n", sys_config, strerror(errno));
rc = read_config(real_sys_config);
if (rc) {
pmsg_error("unable to process system wide configuration file %s\n", real_sys_config);
exit(1);
}
free(real_sys_config);
}
if (usr_config[0] != 0) {
imsg_notice("User configuration file is %s\n", usr_config);
rc = stat(usr_config, &sb);
if ((rc < 0) || ((sb.st_mode & S_IFREG) == 0))
imsg_notice("User configuration file does not exist or is not a regular file, skipping\n");
else {
rc = read_config(usr_config);
if (rc) {
pmsg_error("unable to process user configuration file %s\n", 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);
imsg_notice("additional configuration file is %s\n", p);
rc = read_config(p);
if (rc) {
pmsg_error("unable to process additional configuration file %s\n", 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);
}
for(LNODEID ln1 = lfirst(part_list); ln1; ln1 = lnext(ln1)) {
AVRPART *p = ldata(ln1);
for(LNODEID ln2 = lfirst(programmers); ln2; ln2 = lnext(ln2)) {
PROGRAMMER *pgm = ldata(ln2);
int pm = pgm->prog_modes & p->prog_modes;
if(pm & (pm-1))
pmsg_warning("%s and %s share multiple modes (%s)\n",
pgm->id? (char *) ldata(lfirst(pgm->id)): "???", p->desc, via_prog_modes(pm));
}
}
if (partdesc) {
if (strcmp(partdesc, "?") == 0) {
if(programmer && *programmer) {
PROGRAMMER *pgm = locate_programmer(programmers, programmer);
if(!pgm)
exit_programmer_not_found(programmer);
msg_error("\nValid parts for programmer %s are:\n", programmer);
list_parts(stderr, " ", part_list, pgm->prog_modes);
} else {
msg_error("\nValid parts are:\n");
list_parts(stderr, " ", part_list, ~0);
}
msg_error("\n");
exit(1);
}
}
if (programmer) {
if (strcmp(programmer, "?") == 0) {
if(partdesc && *partdesc) {
AVRPART *p = locate_part(part_list, partdesc);
if(!p)
exit_part_not_found(partdesc);
msg_error("\nValid programmers for part %s are:\n", p->desc);
list_programmers(stderr, " ", programmers, p->prog_modes);
} else {
msg_error("\nValid programmers are:\n");
list_programmers(stderr, " ", programmers, ~0);
}
msg_error("\n");
exit(1);
}
if (strcmp(programmer, "?type") == 0) {
msg_error("\nValid programmer types are:\n");
list_programmer_types(stderr, " ");
msg_error("\n");
exit(1);
}
}
msg_notice("\n");
if (!programmer || !*programmer)
exit_programmer_not_found(NULL);
pgm = locate_programmer(programmers, programmer);
if (pgm == NULL)
exit_programmer_not_found(programmer);
if (pgm->initpgm) {
pgm->initpgm(pgm);
} else {
msg_error("\n");
pmsg_error("cannot initialize the programmer\n\n");
exit(1);
}
if (pgm->setup) {
pgm->setup(pgm);
}
if (pgm->teardown) {
atexit(exithook);
}
if (lsize(extended_params) > 0) {
if (pgm->parseextparams == NULL) {
pmsg_error("programmer does not support extended parameters, -x option(s) ignored\n");
} else {
if (pgm->parseextparams(pgm, extended_params) < 0) {
pmsg_error("unable to parse extended parameter list\n");
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)
exit_part_not_found(NULL);
p = locate_part(part_list, partdesc);
if (p == NULL)
exit_part_not_found(partdesc);
if (exitspecs != NULL) {
if (pgm->parseexitspecs == NULL) {
pmsg_warning("-E option not supported by this programmer type\n");
exitspecs = NULL;
}
else if (pgm->parseexitspecs(pgm, exitspecs) < 0) {
usage();
exit(1);
}
}
if (avr_initmem(p) != 0) {
msg_error("\n");
pmsg_error("unable to initialize memories\n");
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->prog_modes & PM_PDI? "application": "flash";
pmsg_notice2("defaulting memtype in -U %c:%s option to \"%s\"\n",
(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) {
msg_error("\n");
pmsg_error("no port has been specified on the command line or in the config file\n");
imsg_error("specify a port using the -P option and try again\n\n");
exit(1);
}
if (verbose) {
imsg_notice("Using Port : %s\n", port);
imsg_notice("Using Programmer : %s\n", programmer);
if ((strcmp(pgm->type, "avr910") == 0)) {
imsg_notice("avr910_devcode (avrdude.conf) : ");
if(p->avr910_devcode)
msg_notice("0x%x\n", p->avr910_devcode);
else
msg_notice("none\n");
}
}
if (baudrate != 0) {
imsg_notice("Overriding Baud Rate : %d\n", baudrate);
pgm->baudrate = baudrate;
}
if (bitclock != 0.0) {
imsg_notice("Setting bit clk period : %.1f\n", bitclock);
pgm->bitclock = bitclock * 1e-6;
}
if (ispdelay != 0) {
imsg_notice("Setting isp clock delay : %3i\n", ispdelay);
pgm->ispdelay = ispdelay;
}
rc = pgm->open(pgm, port);
if (rc < 0) {
pmsg_error("unable to open programmer %s on port %s\n", 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) {
pmsg_error("programmer does not support RC oscillator calibration\n");
exitrc = 1;
} else {
pmsg_info("performing RC oscillator calibration\n");
exitrc = pgm->perform_osccal(pgm);
}
if (exitrc == 0)
pmsg_info("calibration value is now stored in EEPROM at address 0\n");
goto main_exit;
}
if (verbose && quell_progress < 2) {
avr_display(stderr, p, progbuf, verbose);
msg_notice("\n");
programmer_display(pgm, progbuf);
}
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) {
pmsg_error("initialization failed, rc=%d\n", rc);
if (!ovsigck) {
imsg_error("double check connections and try again or use -F to override\n");
imsg_error("this check\n\n");
exitrc = 1;
goto main_exit;
}
}
/* indicate ready */
pgm->rdy_led(pgm, ON);
pmsg_info("AVR device initialized and ready to accept instructions\n");
/*
* 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->prog_modes & PM_aWire)) { // not 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->prog_modes & PM_UPDI) && attempt < 1) {
attempt++;
if (pgm->read_sib) {
// Read SIB and compare FamilyID
char sib[AVR_SIBLEN + 1];
pgm->read_sib(pgm, p, sib);
pmsg_notice("System Information Block: %s\n", sib);
pmsg_info("received FamilyID: \"%.*s\"\n", AVR_FAMILYIDLEN, sib);
if (strncmp(p->family_id, sib, AVR_FAMILYIDLEN))
pmsg_error("expected FamilyID: \"%s\"\n", p->family_id);
}
if(erase) {
erase = 0;
if (uflags & UF_NOWRITE) {
pmsg_warning("conflicting -e and -n options specified, NOT erasing chip\n");
} else {
pmsg_info("erasing chip\n");
exitrc = avr_unlock(pgm, p);
if(exitrc)
goto main_exit;
goto sig_again;
}
}
if (!ovsigck) {
imsg_error("double check chip or use -F to override this check\n");
exitrc = 1;
goto main_exit;
}
}
pmsg_error("unable to read signature data, rc=%d\n", rc);
exitrc = 1;
goto main_exit;
}
}
sig = avr_locate_mem(p, "signature");
if (sig == NULL)
pmsg_warning("signature memory not defined for device %s\n", p->desc);
if (sig != NULL) {
int ff, zz;
pmsg_info("device signature = 0x");
ff = zz = 1;
for (i=0; i<sig->size; i++) {
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;
if((part = locate_part_by_signature(part_list, sig->buf, sig->size)))
msg_info(" (probably %s)", signature_matches ? p->id : part->id);
}
if (ff || zz) {
if (++attempt < 3) {
waittime *= 5;
msg_info(" (retrying)\n");
goto sig_again;
}
msg_info("\n");
pmsg_error("Yikes! Invalid device signature.\n");
if (!ovsigck) {
imsg_error("Double check connections and try again, or use -F to override\n");
imsg_error("this check.\n\n");
exitrc = 1;
goto main_exit;
}
} else {
msg_info("\n");
}
if (!signature_matches) {
if (ovsigck) {
pmsg_warning("expected signature for %s is %02X %02X %02X\n", p->desc,
p->signature[0], p->signature[1], p->signature[2]);
} else {
pmsg_error("expected signature for %s is %02X %02X %02X\n", p->desc,
p->signature[0], p->signature[1], p->signature[2]);
imsg_error("double check chip or use -F to override this check\n");
exitrc = 1;
goto main_exit;
}
}
}
}
if (uflags & UF_AUTO_ERASE) {
if ((p->prog_modes & PM_PDI) && pgm->page_erase && lsize(updates) > 0) {
pmsg_info("Note: programmer supports page erase for Xmega devices.\n");
imsg_info("Each page will be erased before programming it, but no chip erase is performed.\n");
imsg_info("To disable page erases, specify the -D option; for a chip-erase, use the -e option.\n");
} else {
AVRMEM * m;
const char *memname = p->prog_modes & PM_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;
pmsg_info("Note: %s memory has been specified, an erase cycle will be performed.\n", memname);
imsg_info("To disable this feature, specify the -D option.\n");
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) {
pmsg_warning("conflicting -e and -n options specified, NOT erasing chip\n");
} else {
msg_info("erasing chip\n");
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);
}
msg_info("\n%s done. Thank you.\n\n", progname);
return exitrc;
}
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