git.zerfleddert.de Git - hmcfgusb/blob - flash-ota.c

   1 /* flasher for HomeMatic-devices supporting OTA updates
   2  *
   3  * Copyright (c) 2014 Michael Gernoth <michael@gernoth.net>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy
   6  * of this software and associated documentation files (the "Software"), to
   7  * deal in the Software without restriction, including without limitation the
   8  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   9  * sell copies of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <unistd.h>
  27 #include <stdint.h>
  28 #include <string.h>
  29 #include <strings.h>
  30 #include <poll.h>
  31 #include <errno.h>
  32 #include <sys/types.h>
  33 #include <sys/stat.h>
  34 #include <fcntl.h>
  35 #include <sys/time.h>
  36 #include <libusb-1.0/libusb.h>
  37
  38 #include "hexdump.h"
  39 #include "firmware.h"
  40 #include "hm.h"
  41 #include "version.h"
  42 #include "hmcfgusb.h"
  43 #include "culfw.h"
  44 #include "util.h"
  45
  46 #define MAX_RETRIES     5
  47
  48 extern char *optarg;
  49
  50 uint32_t hmid = 0;
  51 uint32_t my_hmid = 0;
  52
  53 enum device_type {
  54         DEVICE_TYPE_HMCFGUSB,
  55         DEVICE_TYPE_CULFW,
  56 };
  57
  58 struct ota_dev {
  59         int type;
  60         struct hmcfgusb_dev *hmcfgusb;
  61         struct culfw_dev *culfw;
  62 };
  63
  64 enum message_type {
  65         MESSAGE_TYPE_E = 1,
  66         MESSAGE_TYPE_R = 2,
  67 };
  68
  69 struct recv_data {
  70         uint8_t message[64];
  71         enum message_type message_type;
  72         uint16_t status;
  73         int speed;
  74         uint16_t hmcfgusb_version;
  75 };
  76
  77 static int parse_hmcfgusb(uint8_t *buf, int buf_len, void *data)
  78 {
  79         struct recv_data *rdata = data;
  80
  81         if (buf_len < 1)
  82                 return 1;
  83
  84         switch (buf[0]) {
  85                 case 'E':
  86                         if ((!hmid) ||
  87                             ((buf[0x11] == ((hmid >> 16) & 0xff)) &&
  88                             (buf[0x12] == ((hmid >> 8) & 0xff)) &&
  89                             (buf[0x13] == (hmid & 0xff)))) {
  90                                 memset(rdata->message, 0, sizeof(rdata->message));
  91                                 memcpy(rdata->message, buf + 0x0d, buf[0x0d] + 1);
  92                                 rdata->message_type = MESSAGE_TYPE_E;
  93                         }
  94                         break;
  95                 case 'R':
  96                         memset(rdata->message, 0, sizeof(rdata->message));
  97                         memcpy(rdata->message, buf + 0x0e, buf[0x0e] + 1);
  98                         rdata->status = (buf[5] << 8) | buf[6];
  99                         rdata->message_type = MESSAGE_TYPE_R;
 100                         break;
 101                 case 'G':
 102                         rdata->speed = buf[1];
 103                         break;
 104                 case 'H':
 105                         rdata->hmcfgusb_version = (buf[11] << 8) | buf[12];
 106                         my_hmid = (buf[0x1b] << 16) | (buf[0x1c] << 8) | buf[0x1d];
 107                         break;
 108                 default:
 109                         break;
 110         }
 111
 112         if (buf_len != 1)
 113                 return 1;
 114
 115         return 1;
 116 }
 117
 118 static int parse_culfw(uint8_t *buf, int buf_len, void *data)
 119 {
 120         struct recv_data *rdata = data;
 121         int pos = 0;
 122
 123         memset(rdata, 0, sizeof(struct recv_data));
 124
 125         if (buf_len <= 3)
 126                 return 0;
 127
 128         if (buf[0] != 'A')
 129                 return 0;
 130
 131         if (buf[1] == 's')
 132                 return 0;
 133
 134         while(validate_nibble(buf[(pos * 2) + 1]) &&
 135               validate_nibble(buf[(pos * 2) + 2]) &&
 136               (pos + 1 < buf_len)) {
 137                 rdata->message[pos] = ascii_to_nibble(buf[(pos * 2) + 1]) << 4;
 138                 rdata->message[pos] |= ascii_to_nibble(buf[(pos * 2) + 2]);
 139                 pos++;
 140         }
 141
 142         if (hmid && (SRC(rdata->message) != hmid))
 143                 return 0;
 144
 145         rdata->message_type = MESSAGE_TYPE_E;
 146
 147         return 1;
 148 }
 149
 150 int send_hm_message(struct ota_dev *dev, struct recv_data *rdata, uint8_t *msg)
 151 {
 152         static uint32_t id = 1;
 153         struct timeval tv;
 154         uint8_t out[0x40];
 155         int pfd;
 156
 157         switch(dev->type) {
 158                 case DEVICE_TYPE_HMCFGUSB:
 159                         if (gettimeofday(&tv, NULL) == -1) {
 160                                 perror("gettimeofay");
 161                                         return 0;
 162                         }
 163
 164                         memset(out, 0, sizeof(out));
 165
 166                         out[0] = 'S';
 167                         out[1] = (id >> 24) & 0xff;
 168                         out[2] = (id >> 16) & 0xff;
 169                         out[3] = (id >> 8) & 0xff;
 170                         out[4] = id & 0xff;
 171                         out[10] = 0x01;
 172                         out[11] = (tv.tv_usec >> 24) & 0xff;
 173                         out[12] = (tv.tv_usec >> 16) & 0xff;
 174                         out[13] = (tv.tv_usec >> 8) & 0xff;
 175                         out[14] = tv.tv_usec & 0xff;
 176
 177                         memcpy(&out[0x0f], msg, msg[0] + 1);
 178
 179                         memset(rdata, 0, sizeof(struct recv_data));
 180                         hmcfgusb_send(dev->hmcfgusb, out, sizeof(out), 1);
 181
 182                         while (1) {
 183                                 if (rdata->message_type == MESSAGE_TYPE_R) {
 184                                         if (((rdata->status & 0xff) == 0x01) ||
 185                                             ((rdata->status & 0xff) == 0x02)) {
 186                                                 break;
 187                                         } else {
 188                                                 if ((rdata->status & 0xff00) == 0x0400) {
 189                                                         fprintf(stderr, "\nOut of credits!\n");
 190                                                 } else if ((rdata->status & 0xff) == 0x08) {
 191                                                         fprintf(stderr, "\nMissing ACK!\n");
 192                                                 } else {
 193                                                         fprintf(stderr, "\nInvalid status: %04x\n", rdata->status);
 194                                                 }
 195                                                 return 0;
 196                                         }
 197                                 }
 198                                 errno = 0;
 199                                 pfd = hmcfgusb_poll(dev->hmcfgusb, 1);
 200                                 if ((pfd < 0) && errno) {
 201                                         if (errno != ETIMEDOUT) {
 202                                                 perror("\n\nhmcfgusb_poll");
 203                                                 exit(EXIT_FAILURE);
 204                                         }
 205                                 }
 206                         }
 207                         break;
 208                 case DEVICE_TYPE_CULFW:
 209                         {
 210                                 char buf[256];
 211                                 int i;
 212
 213                                 memset(buf, 0, sizeof(buf));
 214                                 buf[0] = 'A';
 215                                 buf[1] = 's';
 216                                 for (i = 0; i < msg[0] + 1; i++) {
 217                                         buf[2 + (i * 2)] = nibble_to_ascii((msg[i] >> 4) & 0xf);
 218                                         buf[2 + (i * 2) + 1] = nibble_to_ascii(msg[i] & 0xf);
 219                                 }
 220                                 buf[2 + (i * 2) ] = '\r';
 221                                 buf[2 + (i * 2) + 1] = '\n';
 222
 223                                 memset(rdata, 0, sizeof(struct recv_data));
 224                                 if (culfw_send(dev->culfw, buf, 2 + (i * 2) + 1) == 0) {
 225                                         fprintf(stderr, "culfw_send failed!\n");
 226                                         exit(EXIT_FAILURE);
 227                                 }
 228
 229                                 if (msg[CTL] & 0x20) {
 230                                         int cnt = 3;
 231                                         int pfd;
 232                                         do {
 233                                                 errno = 0;
 234                                                 pfd = culfw_poll(dev->culfw, 1);
 235                                                 if ((pfd < 0) && errno) {
 236                                                         if (errno != ETIMEDOUT) {
 237                                                                 perror("\n\nculfw_poll");
 238                                                                 exit(EXIT_FAILURE);
 239                                                         }
 240                                                 }
 241                                                 if (rdata->message_type == MESSAGE_TYPE_E) {
 242                                                         break;
 243                                                 }
 244                                         } while(cnt--);
 245
 246                                         if (cnt == -1) {
 247                                                 fprintf(stderr, "\nMissing ACK!\n");
 248                                                 return 0;
 249                                         }
 250                                 }
 251                         }
 252                         break;
 253         }
 254
 255         id++;
 256         return 1;
 257 }
 258
 259 static int switch_speed(struct ota_dev *dev, struct recv_data *rdata, uint8_t speed)
 260 {
 261         uint8_t out[0x40];
 262         int pfd;
 263
 264         printf("Entering %uk-mode\n", speed);
 265
 266         switch(dev->type) {
 267                 case DEVICE_TYPE_HMCFGUSB:
 268                         memset(out, 0, sizeof(out));
 269                         out[0] = 'G';
 270                         out[1] = speed;
 271
 272                         hmcfgusb_send(dev->hmcfgusb, out, sizeof(out), 1);
 273
 274                         while (1) {
 275                                 errno = 0;
 276                                 pfd = hmcfgusb_poll(dev->hmcfgusb, 1);
 277                                 if ((pfd < 0) && errno) {
 278                                         if (errno != ETIMEDOUT) {
 279                                                 perror("\n\nhmcfgusb_poll");
 280                                                 exit(EXIT_FAILURE);
 281                                         }
 282                                 }
 283                                 if (rdata->speed == speed)
 284                                         break;
 285                         }
 286                         break;
 287                 case DEVICE_TYPE_CULFW:
 288                         if (speed == 100) {
 289                                 return culfw_send(dev->culfw, "AR\r\n", 4);
 290                         } else {
 291                                 return culfw_send(dev->culfw, "Ar\r\n", 4);
 292                         }
 293                         break;
 294         }
 295
 296         return 1;
 297 }
 298
 299 void flash_ota_syntax(char *prog)
 300 {
 301         fprintf(stderr, "Syntax: %s parameters options\n\n", prog);
 302         fprintf(stderr, "Mandatory parameters:\n");
 303         fprintf(stderr, "\t-f firmware.eq3\tfirmware file to flash\n");
 304         fprintf(stderr, "\t-s SERIAL\tserial of device to flash\n");
 305         fprintf(stderr, "\nPossible options:\n");
 306         fprintf(stderr, "\t-c device\tenable CUL-mode with CUL at path \"device\"\n");
 307         fprintf(stderr, "\t-b bps\t\tuse CUL with speed \"bps\" (default: %u)\n", DEFAULT_CUL_BPS);
 308         fprintf(stderr, "\t-h\t\tthis help\n");
 309 }
 310
 311 int main(int argc, char **argv)
 312 {
 313         const char twiddlie[] = { '-', '\\', '|', '/' };
 314         const uint8_t cc1101_regs[] = { 0x10, 0x5B, 0x11, 0xF8, 0x15, 0x47 };
 315         char *fw_file = NULL;
 316         char *serial = NULL;
 317         char *culfw_dev = NULL;
 318         unsigned int bps = DEFAULT_CUL_BPS;
 319         struct ota_dev dev;
 320         struct recv_data rdata;
 321         uint8_t out[0x40];
 322         uint8_t *pos;
 323         uint8_t msgid = 0x1;
 324         uint16_t len;
 325         struct firmware *fw;
 326         int block;
 327         int pfd;
 328         int debug = 0;
 329         int cnt;
 330         int switchcnt = 0;
 331         int msgnum = 0;
 332         int switched = 0;
 333         int opt;
 334
 335         printf("HomeMatic OTA flasher version " VERSION "\n\n");
 336
 337         while((opt = getopt(argc, argv, "b:c:f:hs:")) != -1) {
 338                 switch (opt) {
 339                         case 'b':
 340                                 bps = atoi(optarg);
 341                                 break;
 342                         case 'c':
 343                                 culfw_dev = optarg;
 344                                 break;
 345                         case 'f':
 346                                 fw_file = optarg;
 347                                 break;
 348                         case 's':
 349                                 serial = optarg;
 350                                 break;
 351                         case 'h':
 352                         case ':':
 353                         case '?':
 354                         default:
 355                                 flash_ota_syntax(argv[0]);
 356                                 exit(EXIT_FAILURE);
 357                                 break;
 358
 359                 }
 360         }
 361
 362         if (!fw_file || !serial) {
 363                 flash_ota_syntax(argv[0]);
 364                 exit(EXIT_FAILURE);
 365         }
 366
 367         fw = firmware_read_firmware(fw_file, debug);
 368         if (!fw)
 369                 exit(EXIT_FAILURE);
 370
 371         memset(&rdata, 0, sizeof(rdata));
 372         memset(&dev, 0, sizeof(struct ota_dev));
 373
 374         if (culfw_dev) {
 375                 dev.culfw = culfw_init(culfw_dev, bps, parse_culfw, &rdata);
 376                 if (!dev.culfw) {
 377                         fprintf(stderr, "Can't initialize CUL at %s with rate %u\n", culfw_dev, bps);
 378                         exit(EXIT_FAILURE);
 379                 }
 380                 dev.type = DEVICE_TYPE_CULFW;
 381         } else {
 382                 hmcfgusb_set_debug(debug);
 383
 384                 dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata);
 385                 if (!dev.hmcfgusb) {
 386                         fprintf(stderr, "Can't initialize HM-CFG-USB\n");
 387                         exit(EXIT_FAILURE);
 388                 }
 389                 dev.type = DEVICE_TYPE_HMCFGUSB;
 390
 391                 printf("\nRebooting HM-CFG-USB to avoid running out of credits\n\n");
 392
 393                 if (!dev.hmcfgusb->bootloader) {
 394                         printf("HM-CFG-USB not in bootloader mode, entering bootloader.\n");
 395                         hmcfgusb_enter_bootloader(dev.hmcfgusb);
 396                         printf("Waiting for device to reappear...\n");
 397
 398                         do {
 399                                 if (dev.hmcfgusb) {
 400                                         hmcfgusb_close(dev.hmcfgusb);
 401                                 }
 402                                 sleep(1);
 403                         } while (((dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL) || (!dev.hmcfgusb->bootloader));
 404                 }
 405
 406                 if (dev.hmcfgusb->bootloader) {
 407                         printf("HM-CFG-USB in bootloader mode, rebooting\n");
 408                         hmcfgusb_leave_bootloader(dev.hmcfgusb);
 409
 410                         do {
 411                                 if (dev.hmcfgusb) {
 412                                         hmcfgusb_close(dev.hmcfgusb);
 413                                 }
 414                                 sleep(1);
 415                         } while (((dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL) || (dev.hmcfgusb->bootloader));
 416                 }
 417
 418                 printf("\n\nHM-CFG-USB opened\n\n");
 419
 420                 memset(out, 0, sizeof(out));
 421                 out[0] = 'K';
 422                 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
 423
 424                 while (1) {
 425                         errno = 0;
 426                         pfd = hmcfgusb_poll(dev.hmcfgusb, 1);
 427                         if ((pfd < 0) && errno) {
 428                                 if (errno != ETIMEDOUT) {
 429                                         perror("\n\nhmcfgusb_poll");
 430                                         exit(EXIT_FAILURE);
 431                                 }
 432                         }
 433                         if (rdata.hmcfgusb_version)
 434                                 break;
 435                 }
 436
 437                 if (rdata.hmcfgusb_version < 0x3c7) {
 438                         fprintf(stderr, "HM-CFG-USB firmware too low: %u < 967\n", rdata.hmcfgusb_version);
 439                         exit(EXIT_FAILURE);
 440                 }
 441
 442                 printf("HM-CFG-USB firmware version: %u\n", rdata.hmcfgusb_version);
 443         }
 444
 445         if (!switch_speed(&dev, &rdata, 10)) {
 446                 fprintf(stderr, "Can't switch speed!\n");
 447                 exit(EXIT_FAILURE);
 448         }
 449
 450         printf("Waiting for device with serial %s\n", serial);
 451
 452         while (1) {
 453                 switch (dev.type) {
 454                         errno = 0;
 455                         case DEVICE_TYPE_CULFW:
 456                                 pfd = culfw_poll(dev.culfw, 1);
 457                                 break;
 458                         case DEVICE_TYPE_HMCFGUSB:
 459                         default:
 460                                 pfd = hmcfgusb_poll(dev.hmcfgusb, 1);
 461                                 break;
 462                 }
 463
 464                 if ((pfd < 0) && errno) {
 465                         if (errno != ETIMEDOUT) {
 466                                 perror("\n\npoll");
 467                                 exit(EXIT_FAILURE);
 468                         }
 469                 }
 470
 471                 if ((rdata.message[LEN] == 0x14) && /* Length */
 472                     (rdata.message[MSGID] == 0x00) && /* Message ID */
 473                     (rdata.message[CTL] == 0x00) && /* Control Byte */
 474                     (rdata.message[TYPE] == 0x10) && /* Messagte type: Information */
 475                     (DST(rdata.message) == 0x000000) && /* Broadcast */
 476                     (rdata.message[PAYLOAD] == 0x00)) { /* FUP? */
 477                         if (!strncmp((char*)&(rdata.message[0x0b]), serial, 10)) {
 478                                 hmid = SRC(rdata.message);
 479                                 break;
 480                         }
 481                 }
 482         }
 483
 484         printf("Device with serial %s (hmid: %06x) entered firmware-update-mode\n", serial, hmid);
 485
 486         if (dev.type == DEVICE_TYPE_HMCFGUSB) {
 487                 printf("Adding HMID\n");
 488
 489                 memset(out, 0, sizeof(out));
 490                 out[0] = '+';
 491                 out[1] = (hmid >> 16) & 0xff;
 492                 out[2] = (hmid >> 8) & 0xff;
 493                 out[3] = hmid & 0xff;
 494
 495                 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
 496         }
 497
 498         switchcnt = 3;
 499         do {
 500                 printf("Initiating remote switch to 100k\n");
 501
 502                 memset(out, 0, sizeof(out));
 503
 504                 out[MSGID] = msgid++;
 505                 out[CTL] = 0x00;
 506                 out[TYPE] = 0xCB;
 507                 SET_SRC(out, my_hmid);
 508                 SET_DST(out, hmid);
 509
 510                 memcpy(&out[PAYLOAD], cc1101_regs, sizeof(cc1101_regs));
 511                 SET_LEN_FROM_PAYLOADLEN(out, sizeof(cc1101_regs));
 512
 513                 if (!send_hm_message(&dev, &rdata, out)) {
 514                         exit(EXIT_FAILURE);
 515                 }
 516
 517                 if (!switch_speed(&dev, &rdata, 100)) {
 518                         fprintf(stderr, "Can't switch speed!\n");
 519                         exit(EXIT_FAILURE);
 520                 }
 521
 522                 printf("Has the device switched?\n");
 523
 524                 memset(out, 0, sizeof(out));
 525
 526                 out[MSGID] = msgid++;
 527                 out[CTL] = 0x20;
 528                 out[TYPE] = 0xCB;
 529                 SET_SRC(out, my_hmid);
 530                 SET_DST(out, hmid);
 531
 532                 memcpy(&out[PAYLOAD], cc1101_regs, sizeof(cc1101_regs));
 533                 SET_LEN_FROM_PAYLOADLEN(out, sizeof(cc1101_regs));
 534
 535                 cnt = 3;
 536                 do {
 537                         if (send_hm_message(&dev, &rdata, out)) {
 538                                 /* A0A02000221B9AD00000000 */
 539                                 switched = 1;
 540                                 break;
 541                         }
 542                 } while (cnt--);
 543
 544                 if (!switched) {
 545                         printf("No!\n");
 546
 547                         if (!switch_speed(&dev, &rdata, 10)) {
 548                                 fprintf(stderr, "Can't switch speed!\n");
 549                                 exit(EXIT_FAILURE);
 550                         }
 551                 }
 552         } while ((!switched) && (switchcnt--));
 553
 554         if (!switched) {
 555                 fprintf(stderr, "Too many errors, giving up!\n");
 556                 exit(EXIT_FAILURE);
 557         }
 558
 559         printf("Yes!\n");
 560
 561         printf("Flashing %d blocks", fw->fw_blocks);
 562         if (debug) {
 563                 printf("\n");
 564         } else {
 565                 printf(": %04u/%04u %c", 0, fw->fw_blocks, twiddlie[0]);
 566                 fflush(stdout);
 567         }
 568
 569         for (block = 0; block < fw->fw_blocks; block++) {
 570                 int first;
 571
 572                 len = fw->fw[block][2] << 8;
 573                 len |= fw->fw[block][3];
 574
 575                 pos = &(fw->fw[block][2]);
 576
 577                 len += 2; /* length */
 578
 579                 if (debug)
 580                         hexdump(pos, len, "F> ");
 581
 582                 first = 1;
 583                 cnt = 0;
 584                 do {
 585                         int payloadlen = 35;
 586                         int ack = 0;
 587
 588                         if (first) {
 589                                 payloadlen = 37;
 590                                 first = 0;
 591                         }
 592
 593                         if ((len - (pos - &(fw->fw[block][2]))) < payloadlen)
 594                                 payloadlen = (len - (pos - &(fw->fw[block][2])));
 595
 596                         if (((pos + payloadlen) - &(fw->fw[block][2])) == len)
 597                                 ack = 1;
 598
 599                         memset(&rdata, 0, sizeof(rdata));
 600
 601                         memset(out, 0, sizeof(out));
 602
 603                         out[MSGID] = msgid;
 604                         if (ack)
 605                                 out[CTL] = 0x20;
 606                         out[TYPE] = 0xCA;
 607                         SET_SRC(out, my_hmid);
 608                         SET_DST(out, hmid);
 609
 610                         memcpy(&out[PAYLOAD], pos, payloadlen);
 611                         SET_LEN_FROM_PAYLOADLEN(out, payloadlen);
 612
 613                         if (send_hm_message(&dev, &rdata, out)) {
 614                                 pos += payloadlen;
 615                         } else {
 616                                 pos = &(fw->fw[block][2]);
 617                                 cnt++;
 618                                 if (cnt == MAX_RETRIES) {
 619                                         fprintf(stderr, "\nToo many errors, giving up!\n");
 620                                         exit(EXIT_FAILURE);
 621                                 } else {
 622                                         printf("Flashing %d blocks: %04u/%04u %c", fw->fw_blocks, block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
 623                                 }
 624                         }
 625
 626                         msgnum++;
 627
 628                         if (!debug) {
 629                                 printf("\b\b\b\b\b\b\b\b\b\b\b%04u/%04u %c",
 630                                         block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
 631                                 fflush(stdout);
 632                         }
 633                 } while((pos - &(fw->fw[block][2])) < len);
 634                 msgid++;
 635         }
 636
 637         firmware_free(fw);
 638
 639         printf("\n");
 640
 641         if (!switch_speed(&dev, &rdata, 10)) {
 642                 fprintf(stderr, "Can't switch speed!\n");
 643                 exit(EXIT_FAILURE);
 644         }
 645
 646         printf("Waiting for device to reboot\n");
 647
 648         cnt = 10;
 649         do {
 650                 errno = 0;
 651                 switch(dev.type) {
 652                         case DEVICE_TYPE_CULFW:
 653                                 pfd = culfw_poll(dev.culfw, 1);
 654                                 break;
 655                         case DEVICE_TYPE_HMCFGUSB:
 656                         default:
 657                                 pfd = hmcfgusb_poll(dev.hmcfgusb, 1);
 658                                 break;
 659                 }
 660                 if ((pfd < 0) && errno) {
 661                         if (errno != ETIMEDOUT) {
 662                                 perror("\n\npoll");
 663                                 exit(EXIT_FAILURE);
 664                         }
 665                 }
 666                 if (rdata.message_type == MESSAGE_TYPE_E) {
 667                         break;
 668                 }
 669         } while(cnt--);
 670
 671         if (rdata.message_type == MESSAGE_TYPE_E) {
 672                 printf("Device rebooted\n");
 673         }
 674
 675         switch(dev.type) {
 676                 case DEVICE_TYPE_HMCFGUSB:
 677                         hmcfgusb_close(dev.hmcfgusb);
 678                         break;
 679                 case DEVICE_TYPE_CULFW:
 680                         culfw_close(dev.culfw);
 681                         break;
 682         }
 683
 684         return EXIT_SUCCESS;
 685 }