cvs.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 #define NORMAL_MAX_PAYLOAD      37
  48 #define LOWER_MAX_PAYLOAD       17
  49
  50 extern char *optarg;
  51
  52 uint32_t hmid = 0;
  53 uint32_t my_hmid = 0;
  54 char key[16] = {0};
  55 uint32_t kNo = 0;
  56
  57 /* Maximum payloadlen supported by IO */
  58 uint32_t max_payloadlen = NORMAL_MAX_PAYLOAD;
  59
  60 enum device_type {
  61         DEVICE_TYPE_HMCFGUSB,
  62         DEVICE_TYPE_CULFW,
  63 };
  64
  65 struct ota_dev {
  66         int type;
  67         struct hmcfgusb_dev *hmcfgusb;
  68         struct culfw_dev *culfw;
  69 };
  70
  71 enum message_type {
  72         MESSAGE_TYPE_E = 1,
  73         MESSAGE_TYPE_R = 2,
  74 };
  75
  76 struct recv_data {
  77         uint8_t message[64];
  78         enum message_type message_type;
  79         uint16_t status;
  80         int speed;
  81         uint16_t version;
  82         uint8_t credits;
  83 };
  84
  85 static int parse_hmcfgusb(uint8_t *buf, int buf_len, void *data)
  86 {
  87         struct recv_data *rdata = data;
  88
  89         if (buf_len < 1)
  90                 return 1;
  91
  92         switch (buf[0]) {
  93                 case 'E':
  94                         if ((!hmid) ||
  95                             ((buf[0x11] == ((hmid >> 16) & 0xff)) &&
  96                             (buf[0x12] == ((hmid >> 8) & 0xff)) &&
  97                             (buf[0x13] == (hmid & 0xff)))) {
  98                                 memset(rdata->message, 0, sizeof(rdata->message));
  99                                 memcpy(rdata->message, buf + 0x0d, buf[0x0d] + 1);
 100                                 rdata->message_type = MESSAGE_TYPE_E;
 101                         }
 102                         break;
 103                 case 'R':
 104                         memset(rdata->message, 0, sizeof(rdata->message));
 105                         memcpy(rdata->message, buf + 0x0e, buf[0x0e] + 1);
 106                         rdata->status = (buf[5] << 8) | buf[6];
 107                         rdata->message_type = MESSAGE_TYPE_R;
 108                         break;
 109                 case 'G':
 110                         rdata->speed = buf[1];
 111                         break;
 112                 case 'H':
 113                         rdata->version = (buf[11] << 8) | buf[12];
 114                         rdata->credits = buf[36];
 115                         my_hmid = (buf[0x1b] << 16) | (buf[0x1c] << 8) | buf[0x1d];
 116                         break;
 117                 default:
 118                         break;
 119         }
 120
 121         if (buf_len != 1)
 122                 return 1;
 123
 124         return 1;
 125 }
 126
 127 static int parse_culfw(uint8_t *buf, int buf_len, void *data)
 128 {
 129         struct recv_data *rdata = data;
 130         int pos = 0;
 131
 132         memset(rdata, 0, sizeof(struct recv_data));
 133
 134         if (buf_len <= 3)
 135                 return 0;
 136
 137         switch(buf[0]) {
 138                 case 'A':
 139                         if (buf[1] == 's')
 140                                 return 0;
 141
 142                         while(validate_nibble(buf[(pos * 2) + 1]) &&
 143                               validate_nibble(buf[(pos * 2) + 2]) &&
 144                               (pos + 1 < buf_len)) {
 145                                 rdata->message[pos] = ascii_to_nibble(buf[(pos * 2) + 1]) << 4;
 146                                 rdata->message[pos] |= ascii_to_nibble(buf[(pos * 2) + 2]);
 147                                 pos++;
 148                         }
 149
 150                         if (hmid && (SRC(rdata->message) != hmid))
 151                                 return 0;
 152
 153                         rdata->message_type = MESSAGE_TYPE_E;
 154                         break;
 155                 case 'V':
 156                         {
 157                                 uint8_t v;
 158                                 char *s;
 159                                 char *e;
 160
 161                                 s = ((char*)buf) + 2;
 162                                 e = strchr(s, '.');
 163                                 if (!e) {
 164                                         fprintf(stderr, "Unknown response from CUL: %s", buf);
 165                                         return 0;
 166                                 }
 167                                 *e = '\0';
 168                                 v = atoi(s);
 169                                 rdata->version = v << 8;
 170
 171                                 s = e + 1;
 172                                 e = strchr(s, ' ');
 173                                 if (!e) {
 174                                         fprintf(stderr, "Unknown response from CUL: %s", buf);
 175                                         return 0;
 176                                 }
 177                                 *e = '\0';
 178                                 v = atoi(s);
 179                                 rdata->version |= v;
 180                         }
 181                         break;
 182                 default:
 183                         fprintf(stderr, "Unknown response from CUL: %s", buf);
 184                         return 0;
 185                         break;
 186         }
 187
 188         return 1;
 189 }
 190
 191 int send_hm_message(struct ota_dev *dev, struct recv_data *rdata, uint8_t *msg)
 192 {
 193         static uint32_t id = 1;
 194         struct timeval tv;
 195         uint8_t out[0x40];
 196         int pfd;
 197
 198         switch(dev->type) {
 199                 case DEVICE_TYPE_HMCFGUSB:
 200                         if (gettimeofday(&tv, NULL) == -1) {
 201                                 perror("gettimeofay");
 202                                         return 0;
 203                         }
 204
 205                         memset(out, 0, sizeof(out));
 206
 207                         out[0] = 'S';
 208                         out[1] = (id >> 24) & 0xff;
 209                         out[2] = (id >> 16) & 0xff;
 210                         out[3] = (id >> 8) & 0xff;
 211                         out[4] = id & 0xff;
 212                         out[10] = 0x01;
 213                         out[11] = (tv.tv_usec >> 24) & 0xff;
 214                         out[12] = (tv.tv_usec >> 16) & 0xff;
 215                         out[13] = (tv.tv_usec >> 8) & 0xff;
 216                         out[14] = tv.tv_usec & 0xff;
 217
 218                         memcpy(&out[0x0f], msg, msg[0] + 1);
 219
 220                         memset(rdata, 0, sizeof(struct recv_data));
 221                         hmcfgusb_send(dev->hmcfgusb, out, sizeof(out), 1);
 222
 223                         while (1) {
 224                                 if (rdata->message_type == MESSAGE_TYPE_R) {
 225                                         if (((rdata->status & 0xdf) == 0x01) ||
 226                                             ((rdata->status & 0xdf) == 0x02)) {
 227                                                 break;
 228                                         } else {
 229                                                 if ((rdata->status & 0xff00) == 0x0400) {
 230                                                         fprintf(stderr, "\nOut of credits!\n");
 231                                                 } else if ((rdata->status & 0xff) == 0x08) {
 232                                                         fprintf(stderr, "\nMissing ACK!\n");
 233                                                 } else if ((rdata->status & 0xff) == 0x30) {
 234                                                         fprintf(stderr, "\nUnknown AES-key requested!\n");
 235                                                 } else {
 236                                                         fprintf(stderr, "\nInvalid status: %04x\n", rdata->status);
 237                                                 }
 238                                                 return 0;
 239                                         }
 240                                 }
 241                                 errno = 0;
 242                                 pfd = hmcfgusb_poll(dev->hmcfgusb, 1000);
 243                                 if ((pfd < 0) && errno) {
 244                                         if (errno != ETIMEDOUT) {
 245                                                 perror("\n\nhmcfgusb_poll");
 246                                                 exit(EXIT_FAILURE);
 247                                         }
 248                                 }
 249                         }
 250                         break;
 251                 case DEVICE_TYPE_CULFW:
 252                         {
 253                                 char buf[256];
 254                                 int i;
 255
 256                                 memset(buf, 0, sizeof(buf));
 257                                 buf[0] = 'A';
 258                                 buf[1] = 's';
 259                                 for (i = 0; i < msg[0] + 1; i++) {
 260                                         buf[2 + (i * 2)] = nibble_to_ascii((msg[i] >> 4) & 0xf);
 261                                         buf[2 + (i * 2) + 1] = nibble_to_ascii(msg[i] & 0xf);
 262                                 }
 263                                 buf[2 + (i * 2) ] = '\r';
 264                                 buf[2 + (i * 2) + 1] = '\n';
 265
 266                                 memset(rdata, 0, sizeof(struct recv_data));
 267                                 if (culfw_send(dev->culfw, buf, 2 + (i * 2) + 1) == 0) {
 268                                         fprintf(stderr, "culfw_send failed!\n");
 269                                         exit(EXIT_FAILURE);
 270                                 }
 271
 272                                 if (msg[CTL] & 0x20) {
 273                                         int cnt = 3;
 274                                         int pfd;
 275                                         do {
 276                                                 errno = 0;
 277                                                 pfd = culfw_poll(dev->culfw, 200);
 278                                                 if ((pfd < 0) && errno) {
 279                                                         if (errno != ETIMEDOUT) {
 280                                                                 perror("\n\nculfw_poll");
 281                                                                 exit(EXIT_FAILURE);
 282                                                         }
 283                                                 }
 284                                                 if (rdata->message_type == MESSAGE_TYPE_E) {
 285                                                         break;
 286                                                 }
 287                                         } while(cnt--);
 288
 289                                         if (cnt == -1) {
 290                                                 fprintf(stderr, "\nMissing ACK!\n");
 291                                                 return 0;
 292                                         }
 293                                 }
 294                         }
 295                         break;
 296         }
 297
 298         id++;
 299         return 1;
 300 }
 301
 302 static int switch_speed(struct ota_dev *dev, struct recv_data *rdata, uint8_t speed)
 303 {
 304         uint8_t out[0x40];
 305         int pfd;
 306
 307         printf("Entering %uk-mode\n", speed);
 308
 309         switch(dev->type) {
 310                 case DEVICE_TYPE_HMCFGUSB:
 311                         memset(out, 0, sizeof(out));
 312                         out[0] = 'G';
 313                         out[1] = speed;
 314
 315                         hmcfgusb_send(dev->hmcfgusb, out, sizeof(out), 1);
 316
 317                         while (1) {
 318                                 errno = 0;
 319                                 pfd = hmcfgusb_poll(dev->hmcfgusb, 1000);
 320                                 if ((pfd < 0) && errno) {
 321                                         if (errno != ETIMEDOUT) {
 322                                                 perror("\n\nhmcfgusb_poll");
 323                                                 exit(EXIT_FAILURE);
 324                                         }
 325                                 }
 326                                 if (rdata->speed == speed)
 327                                         break;
 328                         }
 329                         break;
 330                 case DEVICE_TYPE_CULFW:
 331                         if (speed == 100) {
 332                                 return culfw_send(dev->culfw, "AR\r\n", 4);
 333                         } else {
 334                                 return culfw_send(dev->culfw, "Ar\r\n", 4);
 335                         }
 336                         break;
 337         }
 338
 339         return 1;
 340 }
 341
 342 void flash_ota_syntax(char *prog)
 343 {
 344         fprintf(stderr, "Syntax: %s parameters options\n\n", prog);
 345         fprintf(stderr, "Mandatory parameters:\n");
 346         fprintf(stderr, "\t-f firmware.eq3\tfirmware file to flash\n");
 347         fprintf(stderr, "\t-s SERIAL\tserial of device to flash\n");
 348         fprintf(stderr, "\nOptional parameters:\n");
 349         fprintf(stderr, "\t-c device\tenable CUL-mode with CUL at path \"device\"\n");
 350         fprintf(stderr, "\t-b bps\t\tuse CUL with speed \"bps\" (default: %u)\n", DEFAULT_CUL_BPS);
 351         fprintf(stderr, "\t-l\t\tlower payloadlen (required for devices with little RAM, e.g. CUL v2 and CUL v4)\n");
 352         fprintf(stderr, "\t-h\t\tthis help\n");
 353         fprintf(stderr, "\nOptional parameters for automatically sending device to bootloader\n");
 354         fprintf(stderr, "\t-C\t\tHMID of central (3 hex-bytes, no prefix, e.g. ABCDEF)\n");
 355         fprintf(stderr, "\t-D\t\tHMID of device (3 hex-bytes, no prefix, e.g. 123456)\n");
 356         fprintf(stderr, "\t-K\t\tKNO:KEY AES key-number and key (hex) separated by colon (Fhem hmKey attribute)\n");
 357         fprintf(stderr, "\t\t\tAES is currently not supported when using a culfw-device!\n");
 358 }
 359
 360 int main(int argc, char **argv)
 361 {
 362         const char twiddlie[] = { '-', '\\', '|', '/' };
 363         const uint8_t cc1101_regs[] = { 0x10, 0x5B, 0x11, 0xF8, 0x15, 0x47 };
 364         char *fw_file = NULL;
 365         char *serial = NULL;
 366         char *culfw_dev = NULL;
 367         char *endptr = NULL;
 368         unsigned int bps = DEFAULT_CUL_BPS;
 369         struct ota_dev dev;
 370         struct recv_data rdata;
 371         uint8_t out[0x40];
 372         uint8_t *pos;
 373         uint8_t msgid = 0x1;
 374         uint16_t len;
 375         struct firmware *fw;
 376         int block;
 377         int pfd;
 378         int debug = 0;
 379         int cnt;
 380         int switchcnt = 0;
 381         int msgnum = 0;
 382         int switched = 0;
 383         int opt;
 384
 385         printf("HomeMatic OTA flasher version " VERSION "\n\n");
 386
 387         while((opt = getopt(argc, argv, "b:c:f:hls:C:D:K:")) != -1) {
 388                 switch (opt) {
 389                         case 'b':
 390                                 bps = atoi(optarg);
 391                                 break;
 392                         case 'c':
 393                                 culfw_dev = optarg;
 394                                 break;
 395                         case 'f':
 396                                 fw_file = optarg;
 397                                 break;
 398                         case 'l':
 399                                 printf("Reducing payload-len from %d to %d\n", max_payloadlen, LOWER_MAX_PAYLOAD);
 400                                 max_payloadlen = LOWER_MAX_PAYLOAD;
 401                                 break;
 402                         case 's':
 403                                 serial = optarg;
 404                                 break;
 405                         case 'C':
 406                                 my_hmid = strtoul(optarg, &endptr, 16);
 407                                 if (*endptr != '\0') {
 408                                         fprintf(stderr, "Invalid central HMID!\n\n");
 409                                         flash_ota_syntax(argv[0]);
 410                                         exit(EXIT_FAILURE);
 411                                 }
 412                                 break;
 413                         case 'D':
 414                                 hmid = strtoul(optarg, &endptr, 16);
 415                                 if (*endptr != '\0') {
 416                                         fprintf(stderr, "Invalid device HMID!\n\n");
 417                                         flash_ota_syntax(argv[0]);
 418                                         exit(EXIT_FAILURE);
 419                                 }
 420                                 break;
 421                         case 'K':
 422                                 kNo = strtoul(optarg, &endptr, 10);
 423                                 if (*endptr != ':') {
 424                                         fprintf(stderr, "Invalid key number!\n\n");
 425                                         flash_ota_syntax(argv[0]);
 426                                         exit(EXIT_FAILURE);
 427                                 }
 428                                 endptr++;
 429                                 for (cnt = 0; cnt < 16; cnt++) {
 430                                         if (*endptr == '\0' || *(endptr+1) == '\0' ||
 431                                             !validate_nibble(*endptr) ||
 432                                             !validate_nibble(*(endptr+1))) {
 433                                                 fprintf(stderr, "Invalid key!\n\n");
 434                                                 flash_ota_syntax(argv[0]);
 435                                                 exit(EXIT_FAILURE);
 436                                         }
 437                                         key[cnt] = ascii_to_nibble(*endptr) << 4 | ascii_to_nibble(*(endptr+1));
 438                                         endptr += 2;
 439                                 }
 440                                 break;
 441                         case 'h':
 442                         case ':':
 443                         case '?':
 444                         default:
 445                                 flash_ota_syntax(argv[0]);
 446                                 exit(EXIT_FAILURE);
 447                                 break;
 448
 449                 }
 450         }
 451
 452         if (!fw_file || !serial) {
 453                 flash_ota_syntax(argv[0]);
 454                 exit(EXIT_FAILURE);
 455         }
 456
 457         fw = firmware_read_firmware(fw_file, debug);
 458         if (!fw)
 459                 exit(EXIT_FAILURE);
 460
 461         memset(&rdata, 0, sizeof(rdata));
 462         memset(&dev, 0, sizeof(struct ota_dev));
 463
 464         if (culfw_dev) {
 465                 if (kNo) {
 466                         fprintf(stderr, "\nAES currently not supported with culfw-device!\n");
 467                         flash_ota_syntax(argv[0]);
 468                         exit(EXIT_FAILURE);
 469                 }
 470
 471                 printf("Opening culfw-device at path %s with speed %u\n", culfw_dev, bps);
 472                 dev.culfw = culfw_init(culfw_dev, bps, parse_culfw, &rdata);
 473                 if (!dev.culfw) {
 474                         fprintf(stderr, "Can't initialize CUL at %s with rate %u\n", culfw_dev, bps);
 475                         exit(EXIT_FAILURE);
 476                 }
 477                 dev.type = DEVICE_TYPE_CULFW;
 478
 479                 printf("Requesting firmware version\n");
 480                 culfw_send(dev.culfw, "\r\n", 2);
 481                 culfw_flush(dev.culfw);
 482
 483                 while (1) {
 484                         culfw_send(dev.culfw, "V\r\n", 3);
 485
 486                         errno = 0;
 487                         pfd = culfw_poll(dev.culfw, 1000);
 488                         if ((pfd < 0) && errno) {
 489                                 if (errno != ETIMEDOUT) {
 490                                         perror("\n\nhmcfgusb_poll");
 491                                         exit(EXIT_FAILURE);
 492                                 }
 493                         }
 494                         if (rdata.version)
 495                                 break;
 496                 }
 497
 498                 printf("culfw-device firmware version: %u.%02u\n",
 499                         (rdata.version >> 8) & 0xff,
 500                         rdata.version & 0xff);
 501
 502                 if (rdata.version < 0x013a) {
 503                         fprintf(stderr, "\nThis version does _not_ support firmware upgrade mode, you need at least 1.58!\n");
 504                         exit(EXIT_FAILURE);
 505                 }
 506         } else {
 507                 uint32_t new_hmid = my_hmid;
 508
 509                 hmcfgusb_set_debug(debug);
 510
 511                 dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata);
 512                 if (!dev.hmcfgusb) {
 513                         fprintf(stderr, "Can't initialize HM-CFG-USB\n");
 514                         exit(EXIT_FAILURE);
 515                 }
 516                 dev.type = DEVICE_TYPE_HMCFGUSB;
 517
 518                 memset(out, 0, sizeof(out));
 519                 out[0] = 'K';
 520                 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
 521
 522                 while (1) {
 523                         errno = 0;
 524                         pfd = hmcfgusb_poll(dev.hmcfgusb, 1000);
 525                         if ((pfd < 0) && errno) {
 526                                 if (errno != ETIMEDOUT) {
 527                                         perror("\n\nhmcfgusb_poll");
 528                                         exit(EXIT_FAILURE);
 529                                 }
 530                         }
 531                         if (rdata.version)
 532                                 break;
 533                 }
 534
 535                 if (rdata.version < 0x3c7) {
 536                         fprintf(stderr, "HM-CFG-USB firmware too low: %u < 967\n", rdata.version);
 537                         exit(EXIT_FAILURE);
 538                 }
 539
 540                 printf("HM-CFG-USB firmware version: %u, used credits: %u%%\n", rdata.version, rdata.credits);
 541
 542                 if (rdata.credits >= 40) {
 543                         printf("\nRebooting HM-CFG-USB to avoid running out of credits\n\n");
 544
 545                         if (!dev.hmcfgusb->bootloader) {
 546                                 printf("HM-CFG-USB not in bootloader mode, entering bootloader.\n");
 547                                 printf("Waiting for device to reappear...\n");
 548
 549                                 do {
 550                                         if (dev.hmcfgusb) {
 551                                                 if (!dev.hmcfgusb->bootloader)
 552                                                         hmcfgusb_enter_bootloader(dev.hmcfgusb);
 553                                                 hmcfgusb_close(dev.hmcfgusb);
 554                                         }
 555                                         sleep(1);
 556                                 } while (((dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL) || (!dev.hmcfgusb->bootloader));
 557                         }
 558
 559                         if (dev.hmcfgusb->bootloader) {
 560                                 printf("HM-CFG-USB in bootloader mode, rebooting\n");
 561
 562                                 do {
 563                                         if (dev.hmcfgusb) {
 564                                                 if (dev.hmcfgusb->bootloader)
 565                                                         hmcfgusb_leave_bootloader(dev.hmcfgusb);
 566                                                 hmcfgusb_close(dev.hmcfgusb);
 567                                         }
 568                                         sleep(1);
 569                                 } while (((dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL) || (dev.hmcfgusb->bootloader));
 570                         }
 571                 }
 572
 573                 printf("\n\nHM-CFG-USB opened\n\n");
 574
 575                 if (new_hmid && (my_hmid != new_hmid)) {
 576                         printf("Changing hmid from %06x to %06x\n", my_hmid, new_hmid);
 577
 578                         memset(out, 0, sizeof(out));
 579                         out[0] = 'A';
 580                         out[1] = (new_hmid >> 16) & 0xff;
 581                         out[2] = (new_hmid >> 8) & 0xff;
 582                         out[3] = new_hmid & 0xff;
 583
 584                         hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
 585
 586                         my_hmid = new_hmid;
 587                 }
 588
 589                 if (kNo) {
 590                         printf("Setting AES-key\n");
 591
 592                         memset(out, 0, sizeof(out));
 593                         out[0] = 'Y';
 594                         out[1] = 0x01;
 595                         out[2] = kNo;
 596                         out[3] = sizeof(key);
 597                         memcpy(&(out[4]), key, sizeof(key));
 598                         hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
 599
 600                         memset(out, 0, sizeof(out));
 601                         out[0] = 'Y';
 602                         out[1] = 0x02;
 603                         out[2] = 0x00;
 604                         out[3] = 0x00;
 605                         hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
 606
 607                         memset(out, 0, sizeof(out));
 608                         out[0] = 'Y';
 609                         out[1] = 0x03;
 610                         out[2] = 0x00;
 611                         out[3] = 0x00;
 612                         hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
 613                 }
 614         }
 615
 616         if (!switch_speed(&dev, &rdata, 10)) {
 617                 fprintf(stderr, "Can't switch speed!\n");
 618                 exit(EXIT_FAILURE);
 619         }
 620
 621         if (hmid && my_hmid) {
 622                 printf("Sending device with hmid %06x to bootloader\n", hmid);
 623                 out[MSGID] = msgid++;
 624                 out[CTL] = 0x30;
 625                 out[TYPE] = 0x11;
 626                 SET_SRC(out, my_hmid);
 627                 SET_DST(out, hmid);
 628                 out[PAYLOAD] = 0xCA;
 629                 SET_LEN_FROM_PAYLOADLEN(out, 1);
 630
 631                 cnt = 3;
 632                 do {
 633                         if (send_hm_message(&dev, &rdata, out)) {
 634                                 break;
 635                         }
 636                 } while (cnt--);
 637                 if (cnt == -1) {
 638                         printf("Failed to send device to bootloader, please enter bootloader manually.\n");
 639                 }
 640         }
 641
 642         printf("Waiting for device with serial %s\n", serial);
 643
 644         while (1) {
 645                 errno = 0;
 646                 switch (dev.type) {
 647                         case DEVICE_TYPE_CULFW:
 648                                 pfd = culfw_poll(dev.culfw, 1000);
 649                                 break;
 650                         case DEVICE_TYPE_HMCFGUSB:
 651                         default:
 652                                 pfd = hmcfgusb_poll(dev.hmcfgusb, 1000);
 653                                 break;
 654                 }
 655
 656                 if ((pfd < 0) && errno) {
 657                         if (errno != ETIMEDOUT) {
 658                                 perror("\n\npoll");
 659                                 exit(EXIT_FAILURE);
 660                         }
 661                 }
 662
 663                 if ((rdata.message[LEN] == 0x14) && /* Length */
 664                     (rdata.message[MSGID] == 0x00) && /* Message ID */
 665                     (rdata.message[CTL] == 0x00) && /* Control Byte */
 666                     (rdata.message[TYPE] == 0x10) && /* Messagte type: Information */
 667                     (DST(rdata.message) == 0x000000) && /* Broadcast */
 668                     (rdata.message[PAYLOAD] == 0x00)) { /* FUP? */
 669                         if (!strncmp((char*)&(rdata.message[0x0b]), serial, 10)) {
 670                                 hmid = SRC(rdata.message);
 671                                 break;
 672                         }
 673                 }
 674         }
 675
 676         printf("Device with serial %s (hmid: %06x) entered firmware-update-mode\n", serial, hmid);
 677
 678         if (dev.type == DEVICE_TYPE_HMCFGUSB) {
 679                 printf("Adding HMID\n");
 680
 681                 memset(out, 0, sizeof(out));
 682                 out[0] = '+';
 683                 out[1] = (hmid >> 16) & 0xff;
 684                 out[2] = (hmid >> 8) & 0xff;
 685                 out[3] = hmid & 0xff;
 686
 687                 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
 688         }
 689
 690         switchcnt = 3;
 691         do {
 692                 printf("Initiating remote switch to 100k\n");
 693
 694                 memset(out, 0, sizeof(out));
 695
 696                 out[MSGID] = msgid++;
 697                 out[CTL] = 0x00;
 698                 out[TYPE] = 0xCB;
 699                 SET_SRC(out, my_hmid);
 700                 SET_DST(out, hmid);
 701
 702                 memcpy(&out[PAYLOAD], cc1101_regs, sizeof(cc1101_regs));
 703                 SET_LEN_FROM_PAYLOADLEN(out, sizeof(cc1101_regs));
 704
 705                 if (!send_hm_message(&dev, &rdata, out)) {
 706                         exit(EXIT_FAILURE);
 707                 }
 708
 709                 if (!switch_speed(&dev, &rdata, 100)) {
 710                         fprintf(stderr, "Can't switch speed!\n");
 711                         exit(EXIT_FAILURE);
 712                 }
 713
 714                 printf("Has the device switched?\n");
 715
 716                 memset(out, 0, sizeof(out));
 717
 718                 out[MSGID] = msgid++;
 719                 out[CTL] = 0x20;
 720                 out[TYPE] = 0xCB;
 721                 SET_SRC(out, my_hmid);
 722                 SET_DST(out, hmid);
 723
 724                 memcpy(&out[PAYLOAD], cc1101_regs, sizeof(cc1101_regs));
 725                 SET_LEN_FROM_PAYLOADLEN(out, sizeof(cc1101_regs));
 726
 727                 cnt = 3;
 728                 do {
 729                         if (send_hm_message(&dev, &rdata, out)) {
 730                                 /* A0A02000221B9AD00000000 */
 731                                 switched = 1;
 732                                 break;
 733                         }
 734                 } while (cnt--);
 735
 736                 if (!switched) {
 737                         printf("No!\n");
 738
 739                         if (!switch_speed(&dev, &rdata, 10)) {
 740                                 fprintf(stderr, "Can't switch speed!\n");
 741                                 exit(EXIT_FAILURE);
 742                         }
 743                 }
 744         } while ((!switched) && (switchcnt--));
 745
 746         if (!switched) {
 747                 fprintf(stderr, "Too many errors, giving up!\n");
 748                 exit(EXIT_FAILURE);
 749         }
 750
 751         printf("Yes!\n");
 752
 753         printf("Flashing %d blocks", fw->fw_blocks);
 754         if (debug) {
 755                 printf("\n");
 756         } else {
 757                 printf(": %04u/%04u %c", 0, fw->fw_blocks, twiddlie[0]);
 758                 fflush(stdout);
 759         }
 760
 761         for (block = 0; block < fw->fw_blocks; block++) {
 762                 int first;
 763
 764                 len = fw->fw[block][2] << 8;
 765                 len |= fw->fw[block][3];
 766
 767                 pos = &(fw->fw[block][2]);
 768
 769                 len += 2; /* length */
 770
 771                 if (debug)
 772                         hexdump(pos, len, "F> ");
 773
 774                 first = 1;
 775                 cnt = 0;
 776                 do {
 777                         int payloadlen = max_payloadlen - 2;
 778                         int ack = 0;
 779
 780                         if (first) {
 781                                 payloadlen = max_payloadlen;
 782                                 first = 0;
 783                         }
 784
 785                         if ((len - (pos - &(fw->fw[block][2]))) < payloadlen)
 786                                 payloadlen = (len - (pos - &(fw->fw[block][2])));
 787
 788                         if (((pos + payloadlen) - &(fw->fw[block][2])) == len)
 789                                 ack = 1;
 790
 791                         memset(&rdata, 0, sizeof(rdata));
 792
 793                         memset(out, 0, sizeof(out));
 794
 795                         out[MSGID] = msgid;
 796                         if (ack)
 797                                 out[CTL] = 0x20;
 798                         out[TYPE] = 0xCA;
 799                         SET_SRC(out, my_hmid);
 800                         SET_DST(out, hmid);
 801
 802                         memcpy(&out[PAYLOAD], pos, payloadlen);
 803                         SET_LEN_FROM_PAYLOADLEN(out, payloadlen);
 804
 805                         if (send_hm_message(&dev, &rdata, out)) {
 806                                 pos += payloadlen;
 807                         } else {
 808                                 pos = &(fw->fw[block][2]);
 809                                 cnt++;
 810                                 if (cnt == MAX_RETRIES) {
 811                                         fprintf(stderr, "\nToo many errors, giving up!\n");
 812                                         exit(EXIT_FAILURE);
 813                                 } else {
 814                                         printf("Flashing %d blocks: %04u/%04u %c", fw->fw_blocks, block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
 815                                 }
 816                         }
 817
 818                         msgnum++;
 819
 820                         if (!debug) {
 821                                 printf("\b\b\b\b\b\b\b\b\b\b\b%04u/%04u %c",
 822                                         block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
 823                                 fflush(stdout);
 824                         }
 825                 } while((pos - &(fw->fw[block][2])) < len);
 826                 msgid++;
 827         }
 828
 829         firmware_free(fw);
 830
 831         printf("\n");
 832
 833         if (!switch_speed(&dev, &rdata, 10)) {
 834                 fprintf(stderr, "Can't switch speed!\n");
 835                 exit(EXIT_FAILURE);
 836         }
 837
 838         printf("Waiting for device to reboot\n");
 839
 840         cnt = 10;
 841         do {
 842                 errno = 0;
 843                 switch(dev.type) {
 844                         case DEVICE_TYPE_CULFW:
 845                                 pfd = culfw_poll(dev.culfw, 1000);
 846                                 break;
 847                         case DEVICE_TYPE_HMCFGUSB:
 848                         default:
 849                                 pfd = hmcfgusb_poll(dev.hmcfgusb, 1000);
 850                                 break;
 851                 }
 852                 if ((pfd < 0) && errno) {
 853                         if (errno != ETIMEDOUT) {
 854                                 perror("\n\npoll");
 855                                 exit(EXIT_FAILURE);
 856                         }
 857                 }
 858                 if (rdata.message_type == MESSAGE_TYPE_E) {
 859                         break;
 860                 }
 861         } while(cnt--);
 862
 863         if (rdata.message_type == MESSAGE_TYPE_E) {
 864                 printf("Device rebooted\n");
 865         }
 866
 867         switch(dev.type) {
 868                 case DEVICE_TYPE_HMCFGUSB:
 869                         hmcfgusb_close(dev.hmcfgusb);
 870                         hmcfgusb_exit();
 871                         break;
 872                 case DEVICE_TYPE_CULFW:
 873                         culfw_close(dev.culfw);
 874                         break;
 875         }
 876
 877         return EXIT_SUCCESS;
 878 }