Mercurial > mbsePi-apps / file comparison
comparison: thermferm/devices.c
thermferm/devices.c
- changeset 588
- 322a29000fd7
- parent 587
- b8580eedfcc7
- child 589
- 230a502b75ec
equal
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replaced
| 587:b8580eedfcc7 | 588:322a29000fd7 |
|---|---|
| 732 if ((rc = piHiPri(50))) | 732 if ((rc = piHiPri(50))) |
| 733 syslog(LOG_NOTICE, "my_devices_loop: piHiPri(50) rc=%d", rc); | 733 syslog(LOG_NOTICE, "my_devices_loop: piHiPri(50) rc=%d", rc); |
| 734 #endif | 734 #endif |
| 735 | 735 |
| 736 /* | 736 /* |
| 737 * Set the temperature sensors to 12 bits resolution. | 737 * Set the temperature sensors to 12 bits resolution and write it in EEPROM |
| 738 */ | 738 */ |
| 739 for (device = Config.devices; device; device = device->next) { | 739 for (device = Config.devices; device; device = device->next) { |
| 740 if ((device->type == DEVTYPE_W1) && | 740 if ((device->type == DEVTYPE_W1) && |
| 741 ((strncmp(device->address, (char *)"10", 2) == 0) || | 741 ((strncmp(device->address, (char *)"10", 2) == 0) || |
| 742 (strncmp(device->address, (char *)"22", 2) == 0) || | 742 (strncmp(device->address, (char *)"22", 2) == 0) || |
| 745 (strncmp(device->address, (char *)"42", 2) == 0))) { | 745 (strncmp(device->address, (char *)"42", 2) == 0))) { |
| 746 addr = xstrcpy((char *)"/sys/bus/w1/devices/"); | 746 addr = xstrcpy((char *)"/sys/bus/w1/devices/"); |
| 747 addr = xstrcat(addr, device->address); | 747 addr = xstrcat(addr, device->address); |
| 748 addr = xstrcat(addr, (char *)"/w1_slave"); | 748 addr = xstrcat(addr, (char *)"/w1_slave"); |
| 749 if ((fp = fopen(addr, "w"))) { | 749 if ((fp = fopen(addr, "w"))) { |
| 750 rc = fprintf(fp, "12\n0\n"); | 750 rc = fprintf(fp, "12\n0\n"); // According to the kernel documentation. Seems to work. |
| 751 fclose(fp); | 751 fclose(fp); |
| 752 if (rc == 5) { | 752 if (rc != 5) { |
| 753 syslog(LOG_NOTICE, "written 12 bits setting to %s", addr); | 753 syslog(LOG_NOTICE, "Program 12 bits resolution error rc=%d for %s", rc, addr); |
| 754 } else { | |
| 755 syslog(LOG_NOTICE, "error rc=%d for %s", rc, addr); | |
| 756 } | 754 } |
| 757 } | 755 } |
| 758 free(addr); | 756 free(addr); |
| 759 addr = NULL; | 757 addr = NULL; |
| 760 } | 758 } |
