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/*
* HalfKay loader - Load binary data to HalfKay protocol based MCUs.
* Based on Teensy Loader (cli) (http://www.pjrc.com/teensy/loader_cli.html)
*
* Copyright (C) 2016-2017 Tomasz Kramkowski <tk@the-tk.com>
*
* 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 3 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/>.
*/
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <assert.h>
#include "halfkay.h"
#include "eprintf.h"
#include "params.h"
#ifndef VERSION
#define VERSION "unknown version"
#endif
#ifndef DATADIR
#define DATADIR "hktool"
#endif
static const char *usage = "[-hlvr] [-f file] [--] mcu";
static void help(void)
{
fprintf(stderr,
"Options:\n"
" -f file Specify binary file to flash to the device.\n"
" -h Show this help.\n"
" -l Show a list of supported devices.\n"
" -v Show version and license information.\n"
" -r Reboot the device.\n"
"\n"
"Please check the hktool(1) man page for more information.\n"
"Report bugs to: <hktool.bugs@the-tk.com>\n"
"hktool home page: https://the-tk.com/projects/hktool\n");
}
static void version(void)
{
fprintf(stderr,
"hktool %s\n"
"Copyright (C) 2016-2017 Tomasz Kramkowski <tk@the-tk.com>\n"
"License GPLv3: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\n"
"This is free software: you are free to change and redistribute it.\n"
"There is NO WARRANTY, to the extent permitted by law.\n",
VERSION);
}
int main(int argc, char **argv)
{
bool doflash = false, doreboot = false;
char *flashfile = NULL, *mcuname;
int opt;
struct flashparams fp;
setprogname(argv[0] != NULL ? argv[0] : "hktool");
datadir = getenv("HKTOOL_DATADIR");
if (datadir == NULL || strlen(datadir) == 0)
datadir = DATADIR;
while (opt = getopt(argc, argv, "f:h-lvr"), opt != -1) {
switch (opt) {
case 'f':
doflash = true;
flashfile = optarg;
break;
case 'h':
fprintf(stderr, "Usage: %s %s\n", argv[0], usage);
help();
return EXIT_SUCCESS;
break;
case 'l':
listparams();
return EXIT_SUCCESS;
break;
case 'v':
version();
return EXIT_SUCCESS;
break;
case 'r':
doreboot = true;
break;
case '?':
fprintf(stderr, "Usage: %s %s\n", argv[0], usage);
return EXIT_FAILURE;
break;
default:
eprintf("getopt returned unexpected value");
}
}
if (optind >= argc)
eprintf("No MCU specified\nUsage: %s %s", argv[0], usage);
mcuname = argv[optind];
if (!doflash && !doreboot)
eprintf("Nothing to do");
if (argc - optind > 1)
eprintf("Invalid number of arguments\nUsage: %s %s", argv[0], usage);
if (strchr(mcuname, '/') == NULL) {
int size;
char *path;
size = snprintf(NULL, 0, "%s/%s", datadir, mcuname);
assert(size > 0);
path = emalloc((size_t)size + 1);
snprintf(path, size, "%s/%s", datadir, mcuname);
mcuname = path;
}
readparams(&fp, mcuname);
if (mcuname != argv[optind])
free(mcuname);
if (doflash)
if (flash(&fp, flashfile) != 0)
return EXIT_FAILURE;
if (doreboot)
if (reboot(&fp) != 0)
return EXIT_FAILURE;
}
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