Mercurial > mbsePi-apps / file comparison
comparison: thermferm/devices.c
thermferm/devices.c
- changeset 408
- ec507c1f1df7
- parent 395
- e32e83550963
- child 437
- 5664743eaf2f
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| 407:ee8f851b4d93 | 408:ec507c1f1df7 |
|---|---|
| 818 device->present = DEVPRESENT_YES; | 818 device->present = DEVPRESENT_YES; |
| 819 #ifdef HAVE_WIRINGPI_H | 819 #ifdef HAVE_WIRINGPI_H |
| 820 piUnlock(LOCK_DEVICES); | 820 piUnlock(LOCK_DEVICES); |
| 821 #endif | 821 #endif |
| 822 } | 822 } |
| 823 /* | |
| 824 * First make sure that if this device is configured as input | |
| 825 * to drive the output high. | |
| 826 */ | |
| 827 if (device->direction == DEVDIR_IN_BIN) { | |
| 828 uint8_t state, output; | |
| 829 | |
| 830 if ((rc = read_w1(device->address, (char *)"state")) >= 0) { | |
| 831 state = (unsigned int)rc; | |
| 832 output = ((state & 0x02) >> 1) + ((state & 0x08) >> 2); /* Both latch states */ | |
| 833 if (device->subdevice == 0) { | |
| 834 output = (output & 0xfe); | |
| 835 output |= 0x01; | |
| 836 } else if (device->subdevice == 1) { | |
| 837 output = (output & 0xfd); | |
| 838 output |= 0x02; | |
| 839 } else { | |
| 840 output = 0xff; | |
| 841 } | |
| 842 write_w1(device->address, (char *)"output", output); | |
| 843 } | |
| 844 } | |
| 823 if ((rc = read_w1(device->address, (char *)"state")) >= 0) { | 845 if ((rc = read_w1(device->address, (char *)"state")) >= 0) { |
| 824 #ifdef HAVE_WIRINGPI_H | 846 #ifdef HAVE_WIRINGPI_H |
| 825 piLock(LOCK_DEVICES); | 847 piLock(LOCK_DEVICES); |
| 826 #endif | 848 #endif |
| 827 /* | 849 /* |
