flash-ota: add support for a-culfw
[hmcfgusb] / flash-ota.c
1 /* flasher for HomeMatic-devices supporting OTA updates
2 *
3 * Copyright (c) 2014-15 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 uint8_t key[16] = {0};
55 int32_t kNo = -1;
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 s = e + 1;
182 e = strchr(s, ' ');
183 if (!e) {
184 break;
185 }
186 *e = '\0';
187 if (!strcmp(s, "a-culfw")) {
188 rdata->version = 0xffff;
189 }
190 }
191 break;
192 case 'E':
193 {
194 if (!strncmp((char*)buf, "ERR:CCA", 7)) {
195 fprintf(stderr, "CCA didn't complete, too much traffic\n");
196 }
197 break;
198 }
199 default:
200 fprintf(stderr, "Unknown response from CUL: %s", buf);
201 return 0;
202 break;
203 }
204
205 return 1;
206 }
207
208 int send_hm_message(struct ota_dev *dev, struct recv_data *rdata, uint8_t *msg)
209 {
210 static uint32_t id = 1;
211 struct timeval tv;
212 uint8_t out[0x40];
213 int pfd;
214
215 switch(dev->type) {
216 case DEVICE_TYPE_HMCFGUSB:
217 if (gettimeofday(&tv, NULL) == -1) {
218 perror("gettimeofay");
219 return 0;
220 }
221
222 memset(out, 0, sizeof(out));
223
224 out[0] = 'S';
225 out[1] = (id >> 24) & 0xff;
226 out[2] = (id >> 16) & 0xff;
227 out[3] = (id >> 8) & 0xff;
228 out[4] = id & 0xff;
229 out[10] = 0x01;
230 out[11] = (tv.tv_usec >> 24) & 0xff;
231 out[12] = (tv.tv_usec >> 16) & 0xff;
232 out[13] = (tv.tv_usec >> 8) & 0xff;
233 out[14] = tv.tv_usec & 0xff;
234
235 memcpy(&out[0x0f], msg, msg[0] + 1);
236
237 memset(rdata, 0, sizeof(struct recv_data));
238 hmcfgusb_send(dev->hmcfgusb, out, sizeof(out), 1);
239
240 while (1) {
241 if (rdata->message_type == MESSAGE_TYPE_R) {
242 if (((rdata->status & 0xdf) == 0x01) ||
243 ((rdata->status & 0xdf) == 0x02)) {
244 break;
245 } else {
246 if ((rdata->status & 0xff00) == 0x0400) {
247 fprintf(stderr, "\nOut of credits!\n");
248 } else if ((rdata->status & 0xff) == 0x08) {
249 fprintf(stderr, "\nMissing ACK!\n");
250 } else if ((rdata->status & 0xff) == 0x30) {
251 fprintf(stderr, "\nUnknown AES-key requested!\n");
252 } else {
253 fprintf(stderr, "\nInvalid status: %04x\n", rdata->status);
254 }
255 return 0;
256 }
257 }
258 errno = 0;
259 pfd = hmcfgusb_poll(dev->hmcfgusb, 1000);
260 if ((pfd < 0) && errno) {
261 if (errno != ETIMEDOUT) {
262 perror("\n\nhmcfgusb_poll");
263 exit(EXIT_FAILURE);
264 }
265 }
266 }
267 break;
268 case DEVICE_TYPE_CULFW:
269 {
270 char buf[256];
271 int i;
272
273 memset(buf, 0, sizeof(buf));
274 buf[0] = 'A';
275 buf[1] = 's';
276 for (i = 0; i < msg[0] + 1; i++) {
277 buf[2 + (i * 2)] = nibble_to_ascii((msg[i] >> 4) & 0xf);
278 buf[2 + (i * 2) + 1] = nibble_to_ascii(msg[i] & 0xf);
279 }
280 buf[2 + (i * 2) ] = '\r';
281 buf[2 + (i * 2) + 1] = '\n';
282
283 memset(rdata, 0, sizeof(struct recv_data));
284 if (culfw_send(dev->culfw, buf, 2 + (i * 2) + 1) == 0) {
285 fprintf(stderr, "culfw_send failed!\n");
286 exit(EXIT_FAILURE);
287 }
288
289 if (msg[CTL] & 0x20) {
290 int cnt = 5;
291 int pfd;
292 do {
293 errno = 0;
294 pfd = culfw_poll(dev->culfw, 200);
295 if ((pfd < 0) && errno) {
296 if (errno != ETIMEDOUT) {
297 perror("\n\nculfw_poll");
298 exit(EXIT_FAILURE);
299 }
300 }
301 if (rdata->message_type == MESSAGE_TYPE_E) {
302 if (rdata->message[TYPE] == 0x02) {
303 if (rdata->message[PAYLOAD] == 0x04) {
304 int32_t req_kNo;
305 uint8_t challenge[6];
306 uint8_t respbuf[16];
307 uint8_t *resp;
308
309 req_kNo = rdata->message[rdata->message[LEN]] / 2;
310 memcpy(challenge, &(rdata->message[PAYLOAD+1]), 6);
311
312 if (req_kNo != kNo) {
313 fprintf(stderr, "AES request for unknown key %d!\n", req_kNo);
314 } else {
315 resp = hm_sign(key, challenge, msg, NULL, respbuf);
316 if (resp) {
317 uint8_t rbuf[64];
318
319 memset(rbuf, 0, sizeof(rbuf));
320 rbuf[MSGID] = rdata->message[MSGID];
321 rbuf[CTL] = rdata->message[CTL];
322 rbuf[TYPE] = 0x03;
323 SET_SRC(rbuf, DST(rdata->message));
324 SET_DST(rbuf, SRC(rdata->message));
325 memcpy(&(rbuf[PAYLOAD]), resp, 16);
326 SET_LEN_FROM_PAYLOADLEN(rbuf, 16);
327
328 return send_hm_message(dev, rdata, rbuf);
329 }
330 }
331 } else if (rdata->message[PAYLOAD] >= 0x80 && rdata->message[PAYLOAD] <= 0x8f) {
332 fprintf(stderr, "NACK\n");
333 } else { /* ACK or ACKinfo */
334 break;
335 }
336 } else {
337 fprintf(stderr, "Unexpected message received: ");
338 for (i = 0; i < rdata->message[LEN]; i++) {
339 fprintf(stderr, "%02x", rdata->message[i+1]);
340 }
341 fprintf(stderr, "\n");
342 }
343 }
344 } while(cnt--);
345
346 if (cnt == -1) {
347 fprintf(stderr, "\nMissing ACK!\n");
348 return 0;
349 }
350 }
351 }
352 break;
353 }
354
355 id++;
356 return 1;
357 }
358
359 static int switch_speed(struct ota_dev *dev, struct recv_data *rdata, uint8_t speed)
360 {
361 uint8_t out[0x40];
362 int pfd;
363
364 printf("Entering %uk-mode\n", speed);
365
366 switch(dev->type) {
367 case DEVICE_TYPE_HMCFGUSB:
368 memset(out, 0, sizeof(out));
369 out[0] = 'G';
370 out[1] = speed;
371
372 hmcfgusb_send(dev->hmcfgusb, out, sizeof(out), 1);
373
374 while (1) {
375 errno = 0;
376 pfd = hmcfgusb_poll(dev->hmcfgusb, 1000);
377 if ((pfd < 0) && errno) {
378 if (errno != ETIMEDOUT) {
379 perror("\n\nhmcfgusb_poll");
380 exit(EXIT_FAILURE);
381 }
382 }
383 if (rdata->speed == speed)
384 break;
385 }
386 break;
387 case DEVICE_TYPE_CULFW:
388 if (speed == 100) {
389 return culfw_send(dev->culfw, "AR\r\n", 4);
390 } else {
391 return culfw_send(dev->culfw, "Ar\r\n", 4);
392 }
393 break;
394 }
395
396 return 1;
397 }
398
399 void flash_ota_syntax(char *prog)
400 {
401 fprintf(stderr, "Syntax: %s parameters options\n\n", prog);
402 fprintf(stderr, "Mandatory parameters:\n");
403 fprintf(stderr, "\t-f firmware.eq3\tfirmware file to flash\n");
404 fprintf(stderr, "\t-s SERIAL\tserial of device to flash (optional when using -D)\n");
405 fprintf(stderr, "\nOptional parameters:\n");
406 fprintf(stderr, "\t-c device\tenable CUL-mode with CUL at path \"device\"\n");
407 fprintf(stderr, "\t-b bps\t\tuse CUL with speed \"bps\" (default: %u)\n", DEFAULT_CUL_BPS);
408 fprintf(stderr, "\t-l\t\tlower payloadlen (required for devices with little RAM, e.g. CUL v2 and CUL v4)\n");
409 fprintf(stderr, "\t-h\t\tthis help\n");
410 fprintf(stderr, "\nOptional parameters for automatically sending device to bootloader\n");
411 fprintf(stderr, "\t-C\t\tHMID of central (3 hex-bytes, no prefix, e.g. ABCDEF)\n");
412 fprintf(stderr, "\t-D\t\tHMID of device (3 hex-bytes, no prefix, e.g. 123456)\n");
413 fprintf(stderr, "\t-K\t\tKNO:KEY AES key-number and key (hex) separated by colon (Fhem hmKey attribute)\n");
414 }
415
416 int main(int argc, char **argv)
417 {
418 const char twiddlie[] = { '-', '\\', '|', '/' };
419 const uint8_t cc1101_regs[] = { 0x10, 0x5B, 0x11, 0xF8, 0x15, 0x47 };
420 char *fw_file = NULL;
421 char *serial = NULL;
422 char *culfw_dev = NULL;
423 char *endptr = NULL;
424 unsigned int bps = DEFAULT_CUL_BPS;
425 struct ota_dev dev;
426 struct recv_data rdata;
427 uint8_t out[0x40];
428 uint8_t *pos;
429 uint8_t msgid = 0x1;
430 uint16_t len;
431 struct firmware *fw;
432 int block;
433 int pfd;
434 int debug = 0;
435 int cnt;
436 int switchcnt = 0;
437 int msgnum = 0;
438 int switched = 0;
439 int opt;
440
441 printf("HomeMatic OTA flasher version " VERSION "\n\n");
442
443 while((opt = getopt(argc, argv, "b:c:f:hls:C:D:K:")) != -1) {
444 switch (opt) {
445 case 'b':
446 bps = atoi(optarg);
447 break;
448 case 'c':
449 culfw_dev = optarg;
450 break;
451 case 'f':
452 fw_file = optarg;
453 break;
454 case 'l':
455 printf("Reducing payload-len from %d to %d\n", max_payloadlen, LOWER_MAX_PAYLOAD);
456 max_payloadlen = LOWER_MAX_PAYLOAD;
457 break;
458 case 's':
459 serial = optarg;
460 break;
461 case 'C':
462 my_hmid = strtoul(optarg, &endptr, 16);
463 if (*endptr != '\0') {
464 fprintf(stderr, "Invalid central HMID!\n\n");
465 flash_ota_syntax(argv[0]);
466 exit(EXIT_FAILURE);
467 }
468 break;
469 case 'D':
470 hmid = strtoul(optarg, &endptr, 16);
471 if (*endptr != '\0') {
472 fprintf(stderr, "Invalid device HMID!\n\n");
473 flash_ota_syntax(argv[0]);
474 exit(EXIT_FAILURE);
475 }
476 break;
477 case 'K':
478 kNo = strtoul(optarg, &endptr, 10);
479 if (*endptr != ':') {
480 fprintf(stderr, "Invalid key number!\n\n");
481 flash_ota_syntax(argv[0]);
482 exit(EXIT_FAILURE);
483 }
484 endptr++;
485 for (cnt = 0; cnt < 16; cnt++) {
486 if (*endptr == '\0' || *(endptr+1) == '\0' ||
487 !validate_nibble(*endptr) ||
488 !validate_nibble(*(endptr+1))) {
489 fprintf(stderr, "Invalid key!\n\n");
490 flash_ota_syntax(argv[0]);
491 exit(EXIT_FAILURE);
492 }
493 key[cnt] = ascii_to_nibble(*endptr) << 4 | ascii_to_nibble(*(endptr+1));
494 endptr += 2;
495 }
496 break;
497 case 'h':
498 case ':':
499 case '?':
500 default:
501 flash_ota_syntax(argv[0]);
502 exit(EXIT_FAILURE);
503 break;
504
505 }
506 }
507
508 if (!fw_file || (!serial && !hmid)) {
509 flash_ota_syntax(argv[0]);
510 exit(EXIT_FAILURE);
511 }
512
513 fw = firmware_read_firmware(fw_file, debug);
514 if (!fw)
515 exit(EXIT_FAILURE);
516
517 memset(&rdata, 0, sizeof(rdata));
518 memset(&dev, 0, sizeof(struct ota_dev));
519
520 if (culfw_dev) {
521 printf("Opening culfw-device at path %s with speed %u\n", culfw_dev, bps);
522 dev.culfw = culfw_init(culfw_dev, bps, parse_culfw, &rdata);
523 if (!dev.culfw) {
524 fprintf(stderr, "Can't initialize CUL at %s with rate %u\n", culfw_dev, bps);
525 exit(EXIT_FAILURE);
526 }
527 dev.type = DEVICE_TYPE_CULFW;
528
529 printf("Requesting firmware version\n");
530 culfw_send(dev.culfw, "\r\n", 2);
531 culfw_flush(dev.culfw);
532
533 while (1) {
534 culfw_send(dev.culfw, "V\r\n", 3);
535
536 errno = 0;
537 pfd = culfw_poll(dev.culfw, 1000);
538 if ((pfd < 0) && errno) {
539 if (errno != ETIMEDOUT) {
540 perror("\n\nhmcfgusb_poll");
541 exit(EXIT_FAILURE);
542 }
543 }
544 if (rdata.version)
545 break;
546 }
547
548 printf("culfw-device firmware version: ");
549 if (rdata.version != 0xffff) {
550 printf("%u.%02u\n",
551 (rdata.version >> 8) & 0xff,
552 rdata.version & 0xff);
553 } else {
554 printf("a-culfw\n");
555 }
556
557 if (rdata.version < 0x013a) {
558 fprintf(stderr, "\nThis version does _not_ support firmware upgrade mode, you need at least 1.58!\n");
559 exit(EXIT_FAILURE);
560 }
561 } else {
562 uint32_t new_hmid = my_hmid;
563
564 hmcfgusb_set_debug(debug);
565
566 dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata);
567 if (!dev.hmcfgusb) {
568 fprintf(stderr, "Can't initialize HM-CFG-USB\n");
569 exit(EXIT_FAILURE);
570 }
571 dev.type = DEVICE_TYPE_HMCFGUSB;
572
573 memset(out, 0, sizeof(out));
574 out[0] = 'K';
575 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
576
577 while (1) {
578 errno = 0;
579 pfd = hmcfgusb_poll(dev.hmcfgusb, 1000);
580 if ((pfd < 0) && errno) {
581 if (errno != ETIMEDOUT) {
582 perror("\n\nhmcfgusb_poll");
583 exit(EXIT_FAILURE);
584 }
585 }
586 if (rdata.version)
587 break;
588 }
589
590 if (rdata.version < 0x3c7) {
591 fprintf(stderr, "HM-CFG-USB firmware too low: %u < 967\n", rdata.version);
592 exit(EXIT_FAILURE);
593 }
594
595 printf("HM-CFG-USB firmware version: %u, used credits: %u%%\n", rdata.version, rdata.credits);
596
597 if (rdata.credits >= 40) {
598 printf("\nRebooting HM-CFG-USB to avoid running out of credits\n\n");
599
600 if (!dev.hmcfgusb->bootloader) {
601 printf("HM-CFG-USB not in bootloader mode, entering bootloader.\n");
602 printf("Waiting for device to reappear...\n");
603
604 do {
605 if (dev.hmcfgusb) {
606 if (!dev.hmcfgusb->bootloader)
607 hmcfgusb_enter_bootloader(dev.hmcfgusb);
608 hmcfgusb_close(dev.hmcfgusb);
609 }
610 sleep(1);
611 } while (((dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL) || (!dev.hmcfgusb->bootloader));
612 }
613
614 if (dev.hmcfgusb->bootloader) {
615 printf("HM-CFG-USB in bootloader mode, rebooting\n");
616
617 do {
618 if (dev.hmcfgusb) {
619 if (dev.hmcfgusb->bootloader)
620 hmcfgusb_leave_bootloader(dev.hmcfgusb);
621 hmcfgusb_close(dev.hmcfgusb);
622 }
623 sleep(1);
624 } while (((dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL) || (dev.hmcfgusb->bootloader));
625 }
626 }
627
628 printf("\n\nHM-CFG-USB opened\n\n");
629
630 if (new_hmid && (my_hmid != new_hmid)) {
631 printf("Changing hmid from %06x to %06x\n", my_hmid, new_hmid);
632
633 memset(out, 0, sizeof(out));
634 out[0] = 'A';
635 out[1] = (new_hmid >> 16) & 0xff;
636 out[2] = (new_hmid >> 8) & 0xff;
637 out[3] = new_hmid & 0xff;
638
639 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
640
641 my_hmid = new_hmid;
642 }
643
644 if (kNo > 0) {
645 printf("Setting AES-key\n");
646
647 memset(out, 0, sizeof(out));
648 out[0] = 'Y';
649 out[1] = 0x01;
650 out[2] = kNo;
651 out[3] = sizeof(key);
652 memcpy(&(out[4]), key, sizeof(key));
653 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
654
655 memset(out, 0, sizeof(out));
656 out[0] = 'Y';
657 out[1] = 0x02;
658 out[2] = 0x00;
659 out[3] = 0x00;
660 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
661
662 memset(out, 0, sizeof(out));
663 out[0] = 'Y';
664 out[1] = 0x03;
665 out[2] = 0x00;
666 out[3] = 0x00;
667 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
668 }
669 }
670
671 if (!switch_speed(&dev, &rdata, 10)) {
672 fprintf(stderr, "Can't switch speed!\n");
673 exit(EXIT_FAILURE);
674 }
675
676 if (hmid && my_hmid) {
677 printf("Sending device with hmid %06x to bootloader\n", hmid);
678 out[CTL] = 0x30;
679 out[TYPE] = 0x11;
680 SET_SRC(out, my_hmid);
681 SET_DST(out, hmid);
682 out[PAYLOAD] = 0xCA;
683 SET_LEN_FROM_PAYLOADLEN(out, 1);
684
685 cnt = 3;
686 do {
687 out[MSGID] = msgid++;
688 if (send_hm_message(&dev, &rdata, out)) {
689 break;
690 }
691 } while (cnt--);
692 if (cnt == -1) {
693 printf("Failed to send device to bootloader, please enter bootloader manually.\n");
694 }
695 }
696
697 if (serial) {
698 printf("Waiting for device with serial %s\n", serial);
699 } else {
700 printf("Waiting for device with HMID %06x\n", hmid);
701 }
702
703 while (1) {
704 errno = 0;
705 switch (dev.type) {
706 case DEVICE_TYPE_CULFW:
707 pfd = culfw_poll(dev.culfw, 1000);
708 break;
709 case DEVICE_TYPE_HMCFGUSB:
710 default:
711 pfd = hmcfgusb_poll(dev.hmcfgusb, 1000);
712 break;
713 }
714
715 if ((pfd < 0) && errno) {
716 if (errno != ETIMEDOUT) {
717 perror("\n\npoll");
718 exit(EXIT_FAILURE);
719 }
720 }
721
722 if ((rdata.message[LEN] == 0x14) && /* Length */
723 (rdata.message[MSGID] == 0x00) && /* Message ID */
724 (rdata.message[CTL] == 0x00) && /* Control Byte */
725 (rdata.message[TYPE] == 0x10) && /* Messagte type: Information */
726 (DST(rdata.message) == 0x000000) && /* Broadcast */
727 (rdata.message[PAYLOAD] == 0x00)) { /* FUP? */
728 if (serial && !strncmp((char*)&(rdata.message[0x0b]), serial, 10)) {
729 hmid = SRC(rdata.message);
730 break;
731 } else if (!serial && SRC(rdata.message) == hmid) {
732 serial = (char*)&(rdata.message[0x0b]);
733 break;
734 }
735 }
736 }
737
738 printf("Device with serial %s (HMID: %06x) entered firmware-update-mode\n", serial, hmid);
739
740 if (dev.type == DEVICE_TYPE_HMCFGUSB) {
741 printf("Adding HMID\n");
742
743 memset(out, 0, sizeof(out));
744 out[0] = '+';
745 out[1] = (hmid >> 16) & 0xff;
746 out[2] = (hmid >> 8) & 0xff;
747 out[3] = hmid & 0xff;
748
749 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
750 }
751
752 switchcnt = 3;
753 do {
754 printf("Initiating remote switch to 100k\n");
755
756 memset(out, 0, sizeof(out));
757
758 out[MSGID] = msgid++;
759 out[CTL] = 0x00;
760 out[TYPE] = 0xCB;
761 SET_SRC(out, my_hmid);
762 SET_DST(out, hmid);
763
764 memcpy(&out[PAYLOAD], cc1101_regs, sizeof(cc1101_regs));
765 SET_LEN_FROM_PAYLOADLEN(out, sizeof(cc1101_regs));
766
767 if (!send_hm_message(&dev, &rdata, out)) {
768 exit(EXIT_FAILURE);
769 }
770
771 if (!switch_speed(&dev, &rdata, 100)) {
772 fprintf(stderr, "Can't switch speed!\n");
773 exit(EXIT_FAILURE);
774 }
775
776 printf("Has the device switched?\n");
777
778 memset(out, 0, sizeof(out));
779
780 out[MSGID] = msgid++;
781 out[CTL] = 0x20;
782 out[TYPE] = 0xCB;
783 SET_SRC(out, my_hmid);
784 SET_DST(out, hmid);
785
786 memcpy(&out[PAYLOAD], cc1101_regs, sizeof(cc1101_regs));
787 SET_LEN_FROM_PAYLOADLEN(out, sizeof(cc1101_regs));
788
789 cnt = 3;
790 do {
791 if (send_hm_message(&dev, &rdata, out)) {
792 /* A0A02000221B9AD00000000 */
793 switched = 1;
794 break;
795 }
796 } while (cnt--);
797
798 if (!switched) {
799 printf("No!\n");
800
801 if (!switch_speed(&dev, &rdata, 10)) {
802 fprintf(stderr, "Can't switch speed!\n");
803 exit(EXIT_FAILURE);
804 }
805 }
806 } while ((!switched) && (switchcnt--));
807
808 if (!switched) {
809 fprintf(stderr, "Too many errors, giving up!\n");
810 exit(EXIT_FAILURE);
811 }
812
813 printf("Yes!\n");
814
815 printf("Flashing %d blocks", fw->fw_blocks);
816 if (debug) {
817 printf("\n");
818 } else {
819 printf(": %04u/%04u %c", 0, fw->fw_blocks, twiddlie[0]);
820 fflush(stdout);
821 }
822
823 for (block = 0; block < fw->fw_blocks; block++) {
824 int first;
825
826 len = fw->fw[block][2] << 8;
827 len |= fw->fw[block][3];
828
829 pos = &(fw->fw[block][2]);
830
831 len += 2; /* length */
832
833 if (debug)
834 hexdump(pos, len, "F> ");
835
836 first = 1;
837 cnt = 0;
838 do {
839 int payloadlen = max_payloadlen - 2;
840 int ack = 0;
841
842 if (first) {
843 payloadlen = max_payloadlen;
844 first = 0;
845 }
846
847 if ((len - (pos - &(fw->fw[block][2]))) < payloadlen)
848 payloadlen = (len - (pos - &(fw->fw[block][2])));
849
850 if (((pos + payloadlen) - &(fw->fw[block][2])) == len)
851 ack = 1;
852
853 memset(&rdata, 0, sizeof(rdata));
854
855 memset(out, 0, sizeof(out));
856
857 out[MSGID] = msgid;
858 if (ack)
859 out[CTL] = 0x20;
860 out[TYPE] = 0xCA;
861 SET_SRC(out, my_hmid);
862 SET_DST(out, hmid);
863
864 memcpy(&out[PAYLOAD], pos, payloadlen);
865 SET_LEN_FROM_PAYLOADLEN(out, payloadlen);
866
867 if (send_hm_message(&dev, &rdata, out)) {
868 pos += payloadlen;
869 } else {
870 pos = &(fw->fw[block][2]);
871 cnt++;
872 if (cnt == MAX_RETRIES) {
873 fprintf(stderr, "\nToo many errors, giving up!\n");
874 exit(EXIT_FAILURE);
875 } else {
876 printf("Flashing %d blocks: %04u/%04u %c", fw->fw_blocks, block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
877 }
878 }
879
880 msgnum++;
881
882 if (!debug) {
883 printf("\b\b\b\b\b\b\b\b\b\b\b%04u/%04u %c",
884 block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
885 fflush(stdout);
886 }
887 } while((pos - &(fw->fw[block][2])) < len);
888 msgid++;
889 }
890
891 firmware_free(fw);
892
893 printf("\n");
894
895 if (!switch_speed(&dev, &rdata, 10)) {
896 fprintf(stderr, "Can't switch speed!\n");
897 exit(EXIT_FAILURE);
898 }
899
900 printf("Waiting for device to reboot\n");
901
902 cnt = 10;
903 do {
904 errno = 0;
905 switch(dev.type) {
906 case DEVICE_TYPE_CULFW:
907 pfd = culfw_poll(dev.culfw, 1000);
908 break;
909 case DEVICE_TYPE_HMCFGUSB:
910 default:
911 pfd = hmcfgusb_poll(dev.hmcfgusb, 1000);
912 break;
913 }
914 if ((pfd < 0) && errno) {
915 if (errno != ETIMEDOUT) {
916 perror("\n\npoll");
917 exit(EXIT_FAILURE);
918 }
919 }
920 if (rdata.message_type == MESSAGE_TYPE_E) {
921 break;
922 }
923 } while(cnt--);
924
925 if (rdata.message_type == MESSAGE_TYPE_E) {
926 printf("Device rebooted\n");
927 }
928
929 switch(dev.type) {
930 case DEVICE_TYPE_HMCFGUSB:
931 hmcfgusb_close(dev.hmcfgusb);
932 hmcfgusb_exit();
933 break;
934 case DEVICE_TYPE_CULFW:
935 culfw_close(dev.culfw);
936 break;
937 }
938
939 return EXIT_SUCCESS;
940 }
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