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main.c
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main.c
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/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2000-2005 Brian S. Dean <bsd@bdmicro.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 "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 */
// Old (deprecated) message routine
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";
}
}
/*
* Core msg_xyz() routine
* See #define lines in avrdude.h of how it is normally called
* Side note: if format starts with \v print \n but only if *not* at beginning of line
*/
int avrdude_message2(FILE *fp, int lno, const char *file, const char *func, int msgmode, int msglvl, const char *format, ...) {
int rc = 0;
va_list ap;
static struct { // Memorise whether last print ended at beginning of line
FILE *fp;
int bol; // Are we at the beginning of a line for this fp stream?
} bols[5+1]; // Cater for up to 5 different FILE pointers plus one catch-all
size_t bi = 0; // bi is index to bols[] array
for(bi=0; bi < sizeof bols/sizeof*bols -1; bi++) { // Note the -1, so bi is valid after loop
if(!bols[bi].fp) { // First free space
bols[bi].fp = fp; // Insert fp in first free space
bols[bi].bol = 1; // Assume beginning of line on first use
}
if(bols[bi].fp == fp)
break;
}
if(msglvl <= MSG_ERROR) // Serious error? Free progress bars (if any)
report_progress(1, -1, NULL);
if(msgmode & MSG2_FLUSH) {
fflush(stdout);
fflush(stderr);
}
// Reduce effective verbosity level by number of -q above one when printing to stderr
if ((quell_progress < 2 || fp != stderr? verbose: verbose+1-quell_progress) >= msglvl) {
if(msgmode & MSG2_PROGNAME) {
if(!bols[bi].bol)
fprintf(fp, "\n");
fprintf(fp, "%s", progname);
if(verbose >= MSG_NOTICE && (msgmode & MSG2_FUNCTION))
fprintf(fp, " %s()", func);
if(verbose >= MSG_DEBUG && (msgmode & MSG2_FILELINE)) {
const char *pr = strrchr(file, '/'); // Only print basename
#if defined (WIN32)
if(!pr)
pr = strrchr(file, '\\');
#endif
pr = pr? pr+1: file;
fprintf(fp, " [%s:%d]", pr, lno);
}
if(msgmode & MSG2_TYPE)
fprintf(fp, " %s", avrdude_message_type(msglvl));
fprintf(fp, ": ");
bols[bi].bol = 0;
} else if(msgmode & MSG2_INDENT1) {
fprintf(fp, "%*s", (int) strlen(progname)+1, "");
bols[bi].bol = 0;
} else if(msgmode & MSG2_INDENT2) {
fprintf(fp, "%*s", (int) strlen(progname)+2, "");
bols[bi].bol = 0;
}
// Vertical tab at start of format string is a conditional new line
if(*format == '\v') {
format++;
if(!bols[bi].bol) {
fprintf(fp, "\n");
bols[bi].bol = 1;
}
}
// Figure out whether this print will leave us at beginning of line
// Determine required size first
va_start(ap, format);
rc = vsnprintf(NULL, 0, format, ap);
va_end(ap);
if(rc < 0) // Some errror?
return 0;
rc++; // Accommodate terminating nul
char *p = cfg_malloc(__func__, rc);
va_start(ap, format);
rc = vsnprintf(p, rc, format, ap);
va_end(ap);
if(rc < 0) {
free(p);
return 0;
}
if(*p) {
fprintf(fp, "%s", p); // Finally: print!
bols[bi].bol = p[strlen(p)-1] == '\n';
}
free(p);
}
if(msgmode & MSG2_FLUSH)
fflush(fp);
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; // Quell progress report and un-verbose output
int ovsigck; // 1 = override sig check, 0 = don't
const char *partdesc; // Part -p string
const char *pgmid; // Programmer -c string
static char usr_config[PATH_MAX]; // Per-user config file
/*
* usage message
*/
static void usage(void)
{
char *home = getenv("HOME");
size_t l = home? strlen(home): 0;
char *cfg = home && str_casestarts(usr_config, home)?
str_sprintf("~/%s", usr_config+l+(usr_config[l]=='/')):
str_sprintf("%s", usr_config);
msg_error(
"Usage: %s [options]\n"
"Options:\n"
" -p <partno> Specify AVR device; -p ? lists all known parts\n"
" -p <wildcard>/<flags> Run developer options for matched AVR devices,\n"
" e.g., -p ATmega328P/s or /S for part definition\n"
" -b <baudrate> Override RS-232 baud rate\n"
" -B <bitclock> Specify bit clock period (us)\n"
" -C <config-file> Specify location of configuration file\n"
" -C +<config-file> Specify additional config file, can be repeated\n"
" -N Do not load %s%s\n"
" -c <programmer> Specify programmer; -c ? and -c ?type list all\n"
" -c <wildcard>/<flags> Run developer options for matched programmers,\n"
" e.g., -c 'ur*'/s for programmer info/definition\n"
" -A Disable trailing-0xff removal for file/AVR read\n"
" -D Disable auto erase for flash memory; implies -A\n"
" -i <delay> ISP Clock Delay [in microseconds]\n"
" -P <port> Connection; -P ?s or -P ?sa lists serial ones\n"
" -r Reconnect to -P port after \"touching\" it; wait\n"
" 400 ms for each -r; needed for some USB boards\n"
" -F Override invalid signature or initial checks\n"
" -e Perform a chip erase\n"
" -O Perform RC oscillator calibration (see AVR053)\n"
" -t Run an interactive terminal when it is its turn\n"
" -T <terminal cmd line> Run terminal line when it is its turn\n"
" -U <memstr>:r|w|v:<filename>[:format]\n"
" Carry out memory operation when it is its turn\n"
" Multiple -t, -T and -U options can be specified\n"
" -n Do not write to the device whilst processing -U\n"
" -V Do not automatically verify during -U\n"
" -E <exitsp>[,<exitsp>] List programmer exit specifications\n"
" -x <extended_param> Pass <extended_param> to programmer, see -xhelp\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, https://github.com/avrdudes/avrdude\n",
progname, strlen(cfg) < 24? "config file ": "", cfg, version);
free(cfg);
}
// 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 && str_caseeq(desc+len-elen, pairs[i].end) && str_eq(modes, pairs[i].mode)) {
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);
if(!is_programmer(pgm))
continue;
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);
if(!is_programmer(pgm))
continue;
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 = avr_prog_modes(pm & pgm->prog_modes);
if(pm != ~0)
pmshorten(desc, modes);
if(*id == 0 || *id == '.')
continue;
if(verbose > 0)
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 > 0)
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", avr_prog_modes(pm & p->prog_modes));
fprintf(f, "\n");
if(verbose > 0)
for(LNODEID ln = lfirst(p->variants); ln; ln = lnext(ln))
fprintf(f, "%s%s- %s\n", prefix, prefix, (char *) ldata(ln));
}
}
}
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(const char *str) {
return
!str? 0:
str_eq(str, "*") || str_starts(str, "*/")? 2:
!!strchr(str, '/');
}
typedef struct {
size_t dist;
int common_modes;
const char *pgmid;
const char *desc;
} pgm_distance;
static int cmp_pgmid(const void *a, const void *b) {
const pgm_distance *pa = a, *pb = b;
int ret = pa->dist - pb->dist;
if(ret)
return ret;
return strcmp(pa->pgmid, pb->pgmid);
}
static int suggest_programmers(const char *programmer, LISTID programmers) {
const size_t max_distance = 64; // Don't show suggestions if they are way far out
int nid = 0; // Number of possible programmer ids
for(LNODEID ln1 = lfirst(programmers); ln1; ln1 = lnext(ln1)) {
PROGRAMMER *pgm = ldata(ln1);
if(is_programmer(pgm))
for(LNODEID ln2 = lfirst(pgm->id); ln2; ln2 = lnext(ln2))
nid++;
}
pgm_distance *d = cfg_malloc(__func__, nid*sizeof*d);
// Fill d[] struct
int idx = 0;
AVRPART *p = locate_part(part_list, partdesc);
for(LNODEID ln1 = lfirst(programmers); ln1; ln1 = lnext(ln1)) {
PROGRAMMER *pgm = ldata(ln1);
if(!is_programmer(pgm))
continue;
for(LNODEID ln2 = lfirst(pgm->id); ln2; ln2 = lnext(ln2)) {
if(idx < nid) {
d[idx].pgmid = ldata(ln2);
d[idx].desc = pgm->desc;
d[idx].dist = str_weighted_damerau_levenshtein(d[idx].pgmid, programmer);
d[idx].common_modes = pgm->prog_modes & (p? p->prog_modes: ~0);
idx++;
}
}
}
int n = 0, pgmid_maxlen = 0, comp = 0, len;
if(nid) { // Sort list so programmers according to string distance
qsort(d, nid, sizeof(*d), cmp_pgmid);
size_t dst = d[nid > 2? 2: nid-1].dist;
if(dst > max_distance)
dst = max_distance;
for(; n < nid && d[n].dist <= dst; n++)
if(d[n].common_modes) {
if((len = strlen(d[n].pgmid)) > pgmid_maxlen)
pgmid_maxlen = len;
comp++;
}
}
if(comp) {
msg_info("similar programmer name%s:\n", str_plural(comp));
for(int i = 0; i < n; i++)
if(d[i].common_modes)
msg_info(" %-*s = %s\n", pgmid_maxlen, d[i].pgmid, d[i].desc);
}
free(d);
return n;
}
static void programmer_not_found(const char *programmer, PROGRAMMER *pgm, int pmode) {
msg_error("\v");
if(!programmer || !*programmer) {
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");
return;
}
if(str_eq(programmer, "?")) {
msg_error("Valid programmers are:\n");
list_programmers(stderr, " ", programmers, ~0);
msg_error("\n");
return;
}
sort_programmers(programmers);
// If there were partial matches then they were not unique: count and list them
int pmatches = 0, maxlen = 0, len;
for(LNODEID ln1=lfirst(programmers); ln1; ln1=lnext(ln1)) {
PROGRAMMER *pg = ldata(ln1);
if(is_programmer(pg) && (pg->prog_modes & pmode))
for(LNODEID ln2=lfirst(pg->id); ln2; ln2=lnext(ln2)) {
const char *id = (const char *) ldata(ln2);
if(str_casestarts(id, programmer)) { // Partial initial match
pmatches++;
if((len = strlen(id)) > maxlen)
maxlen = len;
}
}
}
if(pmatches) {
msg_error("%s is not a unique start of a programmer name; consider:\n", programmer);
for(LNODEID ln1=lfirst(programmers); ln1; ln1=lnext(ln1)) {
PROGRAMMER *pg = ldata(ln1);
if(is_programmer(pg) && (pg->prog_modes & pmode))
for(LNODEID ln2=lfirst(pg->id); ln2; ln2=lnext(ln2)) {
const char *id = (const char *) ldata(ln2);
if(str_casestarts(id, programmer))
msg_error(" %-*s = %s\n", maxlen, id, pg->desc);
}
}
} else if(!pgm || !pgm->id || !lsize(pgm->id)) {
pmsg_error("cannot find programmer id %s\n", programmer);
suggest_programmers(programmer, programmers);
msg_info("use -c? to see all possible programmers\n");
} else
pmsg_error("programmer %s lacks %s setting\n", programmer,
!pgm->prog_modes? "prog_modes": !pgm->initpgm? "type": "some");
}
static void 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");
}
#if !defined(WIN32)
// Safely concatenate dir/file into dst that has size n
static char *concatpath(char *dst, char *dir, char *file, size_t n) {
// Dir or file empty?
if(!dir || !*dir || !file || !*file)
return NULL;
size_t len = strlen(dir);
// Insufficient space?
if(len + (dir[len-1] != '/') + strlen(file) > n-1)
return NULL;
if(dst != dir)
strcpy(dst, dir);
if(dst[len-1] != '/')
strcat(dst, "/");
strcat(dst, file);
return dst;
}
#endif
/*
* 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 */
int no_avrduderc; /* 1=don't load personal conf file */
char * port; /* device port (/dev/xxx) */
const char *exitspecs; /* exit specs string from command line */
int explicit_c; /* 1=explicit -c on command line, 0=not specified there */
int explicit_e; /* 1=explicit -e on command line, 0=not specified there */
char sys_config[PATH_MAX]; /* system wide 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 strtod() error checking */
const char *errstr; /* for str_int() error checking */
int baudrate; /* override default programmer baud rate */
int touch_1200bps; /* "touch" serial port prior to programming */
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 */
int ce_delayed; /* Chip erase delayed */
char * logfile; /* Use logfile rather than stderr for diagnostics */
enum updateflags uflags = UF_AUTO_ERASE | UF_VERIFY; /* Flags for do_op() */
(void) avr_ustimestamp();
#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(str_ends(progname, ".exe")) {
progname = cfg_strdup("main()", progname); // Don't write to argv[0]
progname[strlen(progname)-4] = 0;
}
avrdude_conf_version = "";
default_programmer = "";
default_parallel = "";
default_serial = "";
default_spi = "";
default_baudrate = 0;
default_bitclock = 0.0;
default_linuxgpio = "";
allow_subshells = 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;
no_avrduderc = 0;
p = NULL;
ovsigck = 0;
quell_progress = 0;
exitspecs = NULL;
pgm = NULL;
pgmid = "";
explicit_c = 0;
explicit_e = 0;
verbose = 0;
baudrate = 0;
touch_1200bps = 0;
bitclock = 0.0;
ispdelay = 0;
is_open = 0;
ce_delayed = 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;
}
// Determine the location of personal configuration file
#if defined(WIN32)
win_usr_config_set(usr_config);
#else
usr_config[0] = 0;
if(!concatpath(usr_config, getenv("XDG_CONFIG_HOME"), XDG_USER_CONF_FILE, sizeof usr_config))
concatpath(usr_config, getenv("HOME"), ".config/" XDG_USER_CONF_FILE, sizeof usr_config);
if(stat(usr_config, &sb) < 0 || (sb.st_mode & S_IFREG) == 0)
concatpath(usr_config, getenv("HOME"), USER_CONF_FILE, sizeof usr_config);
#endif
/*
* process command line arguments
*/
while ((ch = getopt(argc,argv,"?Ab:B:c:C:DeE:Fi:l:nNp:OP:qrstT:U:uvVx:yY:")) != -1) {
switch (ch) {
case 'b': /* override default programmer baud rate */
baudrate = str_int(optarg, STR_INT32, &errstr);
if(errstr) {
pmsg_error("invalid baud rate %s specified: %s\n", optarg, errstr);
exit(1);
}
break;
case 'B': /* specify bit clock period */
bitclock = strtod(optarg, &e);
if ((e == optarg) || bitclock <= 0.0) {
pmsg_error("invalid bit clock period %s\n", optarg);
exit(1);
}
while(*e && isascii(*e & 0xff) && isspace(*e & 0xff))
e++;
if(*e == 0 || str_caseeq(e, "us")) // us is optional and the default
;
else if(str_caseeq(e, "m") || str_caseeq(e, "mhz"))
bitclock = 1 / bitclock;
else if(str_caseeq(e, "k") || str_caseeq(e, "khz"))
bitclock = 1e3 / bitclock;
else if(str_caseeq(e, "hz"))
bitclock = 1e6 / bitclock;
else {
pmsg_error("invalid bit clock unit %s\n", e);
exit(1);
}
break;
case 'i': /* specify isp clock delay */
ispdelay = str_int(optarg, STR_INT32, &errstr);
if(errstr || ispdelay == 0) {
pmsg_error("invalid isp clock delay %s specified", optarg);
if(errstr)
msg_error(": %s\n", errstr);
else
msg_error("\n");
exit(1);
}
break;
case 'c': /* programmer id */
pgmid = optarg;
explicit_c = 1;
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;
explicit_e = 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 'N':
no_avrduderc = 1;
break;
case 'O': /* perform RC oscillator calibration */
calibrate = 1;
break;
case 'p' : /* specify AVR part */
partdesc = optarg;
break;
case 'P':
port = cfg_strdup(__func__, optarg);
break;
case 'q' : /* Quell progress output */
quell_progress++ ;
break;
case 'r' :
touch_1200bps++;
break;
case 't': /* enter terminal mode */
ladd(updates, cmd_update("interactive terminal"));
break;
case 's':
case 'u':
pmsg_error("\"safemode\" feature no longer supported\n");
break;
case 'T':
ladd(updates, cmd_update(optarg));
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;
}
}
size_t ztest;
if(1 != sscanf("42", "%zi", &ztest) || ztest != 42)
pmsg_warning("Linked C library does not conform to C99; %s may not work as expected\n", progname);
/* 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_trace2("executable_abspath = %s\n", executable_abspath);
msg_trace2("executable_abspath_len = %i\n", executable_abspath_len);
msg_trace2("executable_dirpath = %s\n", executable_dirpath);
msg_trace2("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