support/stmloader/loader.c

   1 /*
   2     This file is part of AutoQuad.
   3
   4     AutoQuad is free software: you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation, either version 3 of the License, or
   7     (at your option) any later version.
   8
   9     AutoQuad is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13     You should have received a copy of the GNU General Public License
  14     along with AutoQuad.  If not, see <http://www.gnu.org/licenses/>.
  15
  16     Copyright © 2011  Bill Nesbitt
  17 */
  18
  19 #include "serial.h"
  20 #include "stmbootloader.h"
  21 #include <stdio.h>
  22 #include <unistd.h>
  23 #include <string.h>
  24 #include <termios.h>
  25 #include <fcntl.h>
  26 #include <getopt.h>
  27 #include <stdlib.h>
  28
  29 #define DEFAULT_PORT            "/dev/ttyUSB0"
  30 #define DEFAULT_BAUD            115200
  31 #define FIRMWARE_FILENAME       "STM32.hex"
  32
  33 serialStruct_t *s;
  34
  35 char port[256];
  36 unsigned int baud;
  37 unsigned char overrideParity;
  38 unsigned char noSendR;
  39 char firmFile[256];
  40
  41 void loaderUsage(void) {
  42         fprintf(stderr, "usage: loader <-h> <-p device_file> <-b baud_rate> <-f firmware_file> <-o> <-n>\n");
  43 }
  44
  45 unsigned int loaderOptions(int argc, char **argv) {
  46         int ch;
  47
  48         strncpy(port, DEFAULT_PORT, sizeof(port));
  49         baud = DEFAULT_BAUD;
  50         overrideParity = 0;
  51         noSendR = 0;
  52         strncpy(firmFile, FIRMWARE_FILENAME, sizeof(firmFile));
  53
  54         /* options descriptor */
  55         static struct option longopts[] = {
  56                 { "help",                                       required_argument,      NULL,           'h' },
  57                 { "port",                                       required_argument,      NULL,           'p' },
  58                 { "baud",                                       required_argument,      NULL,           's' },
  59                 { "firm_file",                          required_argument,      NULL,           'f' },
  60                 { "override_parity",            no_argument,                    NULL,           'o' },
  61                 { "no_send_r",                          no_argument,                    NULL,           'n' },
  62                 { NULL,                                         0,                                                      NULL,           0 }
  63         };
  64
  65         while ((ch = getopt_long(argc, argv, "hp:b:f:o:n", longopts, NULL)) != -1)
  66                 switch (ch) {
  67                 case 'h':
  68                         loaderUsage();
  69                         exit(0);
  70                         break;
  71                 case 'p':
  72                         strncpy(port, optarg, sizeof(port));
  73                         break;
  74                 case 'b':
  75                         baud = atoi(optarg);
  76                         break;
  77                 case 'f':
  78                         strncpy(firmFile, optarg, sizeof(firmFile));
  79                         break;
  80                 case 'o':
  81                         overrideParity = 1;
  82                         break;
  83                 case 'n':
  84                         noSendR = 1;
  85                         break;
  86                 default:
  87                         loaderUsage();
  88                         return 0;
  89         }
  90         argc -= optind;
  91         argv += optind;
  92
  93         return 1;
  94 }
  95
  96 int main(int argc, char **argv) {
  97         FILE *fw;
  98
  99         // init
 100         if (!loaderOptions(argc, argv)) {
 101                 fprintf(stderr, "Init failed, aborting\n");
 102                 return 1;
 103         }
 104
 105         s = initSerial(port, baud, 0);
 106         if (!s) {
 107                 fprintf(stderr, "Cannot open serial port '%s', aborting.\n", port);
 108                 return 1;
 109         }
 110
 111         fw = fopen(firmFile, "r");
 112         if (!fw) {
 113                 fprintf(stderr, "Cannot open firmware file '%s', aborting.\n", firmFile);
 114                 return 1;
 115         }
 116         else {
 117                 printf("Upgrading STM on port %s from %s...\n", port, firmFile);
 118                 stmLoader(s, fw, overrideParity, noSendR);
 119         }
 120
 121         return 0;
 122 }