Mercurial > mbsePi-apps / file comparison
comparison: thermferm/devices.c
thermferm/devices.c
- changeset 656
- ca47c742a25d
- parent 654
- e981d0185485
- child 657
- 38162f374842
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| 655:780cc08df263 | 656:ca47c742a25d |
|---|---|
| 31 int my_devices_state = 0; | 31 int my_devices_state = 0; |
| 32 | 32 |
| 33 extern sys_config Config; | 33 extern sys_config Config; |
| 34 extern int my_shutdown; | 34 extern int my_shutdown; |
| 35 extern pthread_mutex_t mutexes[5]; | 35 extern pthread_mutex_t mutexes[5]; |
| 36 extern w1_list *w1_devices; | |
| 37 | |
| 36 | 38 |
| 37 #ifdef USE_SIMULATOR | 39 #ifdef USE_SIMULATOR |
| 38 | 40 |
| 39 extern int SIMcooling; | 41 extern int SIMcooling; |
| 40 extern int SIMheating; | 42 extern int SIMheating; |
| 391 */ | 393 */ |
| 392 int devices_detect(void) | 394 int devices_detect(void) |
| 393 { | 395 { |
| 394 struct dirent *de; | 396 struct dirent *de; |
| 395 DIR *fd; | 397 DIR *fd; |
| 398 w1_list *dev_w1; | |
| 396 devices_list *device, *ndev; | 399 devices_list *device, *ndev; |
| 397 int found, subdevices, ival, i, rc = 0; | 400 int found, subdevices, i, rc = 0; |
| 398 char buf[40]; | |
| 399 uuid_t uu; | 401 uuid_t uu; |
| 400 #ifdef HAVE_WIRINGPI_H | 402 #ifdef HAVE_WIRINGPI_H |
| 401 int pin; | 403 int pin; |
| 402 #endif | 404 #endif |
| 403 | 405 |
| 404 /* | 406 /* |
| 405 * Scan for 1-wire devices | 407 * Scan for 1-wire devices. These are already detected by the |
| 408 * one-wire thread that is already running. So we just check | |
| 409 * these detected devices. | |
| 406 */ | 410 */ |
| 407 if ((fd = opendir((char *)"/sys/bus/w1/devices"))) { | 411 for (dev_w1 = w1_devices; dev_w1; dev_w1 = dev_w1->next) { |
| 408 while ((de = readdir(fd))) { | 412 found = FALSE; |
| 409 if (de->d_name[0] != '.') { | 413 for (device = Config.devices; device; device = device->next) { |
| 410 found = FALSE; | 414 if (strcmp(device->address, dev_w1->address) == 0) { |
| 411 for (device = Config.devices; device; device = device->next) { | 415 found = TRUE; |
| 412 if (strcmp(device->address,de->d_name) == 0) { | 416 break; |
| 413 found = TRUE; | 417 } |
| 414 break; | 418 } |
| 419 | |
| 420 if (found == FALSE) { | |
| 421 for (i = 0; i < dev_w1->subdevices; i++) { | |
| 422 ndev = (devices_list *)malloc(sizeof(devices_list)); | |
| 423 ndev->next = NULL; | |
| 424 ndev->uuid = malloc(37); | |
| 425 uuid_generate(uu); | |
| 426 uuid_unparse(uu, ndev->uuid); | |
| 427 ndev->type = DEVTYPE_W1; | |
| 428 ndev->direction = DEVDIR_IN_ANALOG; | |
| 429 if (strcmp(dev_w1->family, (char *)"10") == 0) { | |
| 430 ndev->description = xstrcpy((char *)"DS18S20 Digital thermometer"); | |
| 431 } else if (strcmp(dev_w1->family, (char *)"22") == 0) { | |
| 432 ndev->description = xstrcpy((char *)"DS1822 Digital thermometer"); | |
| 433 } else if (strcmp(dev_w1->family, (char *)"28") == 0) { | |
| 434 ndev->description = xstrcpy((char *)"DS18B20 Digital thermometer"); | |
| 435 } else if (strcmp(dev_w1->family, (char *)"3a") == 0) { | |
| 436 ndev->description = xstrcpy((char *)"DS2413 Dual channel addressable switch"); | |
| 437 ndev->direction = DEVDIR_IN_BIN; | |
| 438 } else if (strcmp(dev_w1->family, (char *)"3b") == 0) { | |
| 439 ndev->description = xstrcpy((char *)"DS1825 Digital thermometer"); | |
| 440 } else if (strcmp(dev_w1->family, (char *)"42") == 0) { | |
| 441 ndev->description = xstrcpy((char *)"DS28EA00 Digital thermometer"); | |
| 442 } else { | |
| 443 ndev->description = xstrcpy((char *)"Unknown device family "); | |
| 444 ndev->direction = DEVDIR_UNDEF; | |
| 445 } | |
| 446 ndev->value = ndev->offset = ndev->inuse = 0; | |
| 447 ndev->present = DEVPRESENT_YES; | |
| 448 ndev->address = xstrcpy(dev_w1->address); | |
| 449 ndev->subdevice = i; | |
| 450 ndev->gpiopin = -1; | |
| 451 ndev->comment = xstrcpy((char *)"Auto detected device"); | |
| 452 ndev->timestamp = time(NULL); | |
| 453 | |
| 454 syslog(LOG_NOTICE, "New W1 device %s, subdevice %d, %s", ndev->address, ndev->subdevice, ndev->description); | |
| 455 | |
| 456 if (Config.devices == NULL) { | |
| 457 Config.devices = ndev; | |
| 458 } else { | |
| 459 for (device = Config.devices; device; device = device->next) { | |
| 460 if (device->next == NULL) { | |
| 461 device->next = ndev; | |
| 462 break; | |
| 463 } | |
| 415 } | 464 } |
| 416 } | 465 } |
| 417 | 466 rc++; |
| 418 if (found == FALSE) { | 467 } |
| 419 strncpy(buf, de->d_name, 2); | 468 } |
| 420 buf[2] = '\0'; | |
| 421 sscanf(buf, "%02x", &ival); | |
| 422 subdevices = 0; | |
| 423 | |
| 424 /* | |
| 425 * ival is zero when a ghost sensor is detected. | |
| 426 */ | |
| 427 if (ival > 0) | |
| 428 subdevices = 1; | |
| 429 if (strcmp(buf, (char *)"3a") == 0) | |
| 430 subdevices = 2; | |
| 431 for (i = 0; i < subdevices; i++) { | |
| 432 ndev = (devices_list *)malloc(sizeof(devices_list)); | |
| 433 ndev->next = NULL; | |
| 434 ndev->uuid = malloc(37); | |
| 435 uuid_generate(uu); | |
| 436 uuid_unparse(uu, ndev->uuid); | |
| 437 ndev->type = DEVTYPE_W1; | |
| 438 ndev->direction = DEVDIR_UNDEF; | |
| 439 if (strcmp(buf, (char *)"10") == 0) { | |
| 440 ndev->direction = DEVDIR_IN_ANALOG; | |
| 441 ndev->description = xstrcpy((char *)"DS18S20 Digital thermometer"); | |
| 442 } else if (strcmp(buf, (char *)"22") == 0) { | |
| 443 ndev->direction = DEVDIR_IN_ANALOG; | |
| 444 ndev->description = xstrcpy((char *)"DS1822 Digital thermometer"); | |
| 445 } else if (strcmp(buf, (char *)"28") == 0) { | |
| 446 ndev->direction = DEVDIR_IN_ANALOG; | |
| 447 ndev->description = xstrcpy((char *)"DS18B20 Digital thermometer"); | |
| 448 } else if (strcmp(buf, (char *)"3a") == 0) { | |
| 449 ndev->direction = DEVDIR_IN_BIN; | |
| 450 ndev->description = xstrcpy((char *)"DS2413 Dual channel addressable switch"); | |
| 451 } else if (strcmp(buf, (char *)"3b") == 0) { | |
| 452 ndev->direction = DEVDIR_IN_ANALOG; | |
| 453 ndev->description = xstrcpy((char *)"DS1825 Digital thermometer"); | |
| 454 } else if (strcmp(buf, (char *)"42") == 0) { | |
| 455 ndev->direction = DEVDIR_IN_ANALOG; | |
| 456 ndev->description = xstrcpy((char *)"DS28EA00 Digital thermometer"); | |
| 457 } else if (strcmp(buf, (char *)"w1") == 0) { | |
| 458 ndev->description = xstrcpy((char *)"Master System device"); | |
| 459 } else { | |
| 460 ndev->description = xstrcpy((char *)"Unknown device family "); | |
| 461 ndev->description = xstrcat(ndev->description, buf); | |
| 462 } | |
| 463 ndev->value = ndev->offset = ndev->inuse = 0; | |
| 464 ndev->present = DEVPRESENT_YES; | |
| 465 ndev->address = xstrcpy(de->d_name); | |
| 466 ndev->subdevice = i; | |
| 467 ndev->gpiopin = -1; | |
| 468 ndev->comment = xstrcpy((char *)"Auto detected device"); | |
| 469 ndev->timestamp = time(NULL); | |
| 470 | |
| 471 syslog(LOG_NOTICE, "New W1 device %s, subdevice %d, %s", ndev->address, ndev->subdevice, ndev->description); | |
| 472 | |
| 473 if (Config.devices == NULL) { | |
| 474 Config.devices = ndev; | |
| 475 } else { | |
| 476 for (device = Config.devices; device; device = device->next) { | |
| 477 if (device->next == NULL) { | |
| 478 device->next = ndev; | |
| 479 break; | |
| 480 } | |
| 481 } | |
| 482 } | |
| 483 rc++; | |
| 484 } | |
| 485 } | |
| 486 } | |
| 487 } | |
| 488 closedir(fd); | |
| 489 } | 469 } |
| 490 | 470 |
| 491 /* | 471 /* |
| 492 * DHT11 as kernel module. The number after the @ is the hexadecimal | 472 * DHT11 as kernel module. The number after the @ is the hexadecimal |
| 493 * number of the BCM gpio pin. Since we use pin 22 at connector pin 15 | 473 * number of the BCM gpio pin. Since we use pin 22 at connector pin 15 |
