Mercurial > mbsePi-apps / file comparison
comparison: thermferm/devices.c
thermferm/devices.c
- changeset 342
- 3bbc8f42adc0
- parent 341
- cfc952a68d4a
- child 343
- ba3a2d27d59e
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| 341:cfc952a68d4a | 342:3bbc8f42adc0 |
|---|---|
| 642 } | 642 } |
| 643 } | 643 } |
| 644 free(addr); | 644 free(addr); |
| 645 addr = NULL; | 645 addr = NULL; |
| 646 } | 646 } |
| 647 /* | |
| 648 * DS2413 Dual channel addressable switch | |
| 649 */ | |
| 650 unsigned char state; | |
| 651 | |
| 652 if (strncmp(device->address, (char *)"3a", 2) == 0) { | |
| 653 addr = xstrcpy((char *)"/sys/bus/w1/devices/"); | |
| 654 addr = xstrcat(addr, device->address); | |
| 655 addr = xstrcat(addr, (char *)"/state"); | |
| 656 if ((fp = fopen(addr, "r"))) { | |
| 657 if (device->present != DEVPRESENT_YES) { | |
| 658 syslog(LOG_NOTICE, "DS2413 %s is back", device->address); | |
| 659 #ifdef HAVE_WIRINGPI_H | |
| 660 piLock(LOCK_DEVICES); | |
| 661 #endif | |
| 662 device->present = DEVPRESENT_YES; | |
| 663 #ifdef HAVE_WIRINGPI_H | |
| 664 piUnlock(LOCK_DEVICES); | |
| 665 #endif | |
| 666 } | |
| 667 if ((fread(&state, 1, 1, fp)) == 1) { | |
| 668 #ifdef HAVE_WIRINGPI_H | |
| 669 piLock(LOCK_DEVICES); | |
| 670 #endif | |
| 671 /* | |
| 672 * Read PIOA or PIOB pin state bits | |
| 673 */ | |
| 674 if (device->subdevice == 0) | |
| 675 device->value = (state & 0x01) ? 0 : 1; | |
| 676 else if (device->subdevice == 1) | |
| 677 device->value = (state & 0x04) ? 0 : 1; | |
| 678 device->timestamp = time(NULL); | |
| 679 #ifdef HAVE_WIRINGPI_H | |
| 680 piUnlock(LOCK_DEVICES); | |
| 681 #endif | |
| 682 } | |
| 683 fclose(fp); | |
| 684 } else { | |
| 685 if (device->present != DEVPRESENT_NO) { | |
| 686 syslog(LOG_NOTICE, "DS2413 %s is missing", device->address); | |
| 687 #ifdef HAVE_WIRINGPI_H | |
| 688 piLock(LOCK_DEVICES); | |
| 689 #endif | |
| 690 device->present = DEVPRESENT_NO; | |
| 691 #ifdef HAVE_WIRINGPI_H | |
| 692 piUnlock(LOCK_DEVICES); | |
| 693 #endif | |
| 694 } | |
| 695 } | |
| 696 free(addr); | |
| 697 addr = NULL; | |
| 698 } | |
| 699 | |
| 647 break; | 700 break; |
| 648 | 701 |
| 649 #ifdef HAVE_WIRINGPI_H | 702 #ifdef HAVE_WIRINGPI_H |
| 650 case DEVTYPE_DHT: | 703 case DEVTYPE_DHT: |
| 651 /* | 704 /* |
