Mercurial > mbsePi-apps / file comparison
comparison: thermferm/one-wire.c
thermferm/one-wire.c
- changeset 690
- 3a5b019e9acc
- parent 674
- 6cabc02f4c8d
- child 692
- 6d97eb820cc1
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| 689:f94b525f7563 | 690:3a5b019e9acc |
|---|---|
| 293 /* | 293 /* |
| 294 * cur_w1 points to the next not handled device. | 294 * cur_w1 points to the next not handled device. |
| 295 */ | 295 */ |
| 296 if (cur_w1 != NULL) { | 296 if (cur_w1 != NULL) { |
| 297 | 297 |
| 298 if ((strcmp(cur_w1->family, (char *)"10") == 0) || (strcmp(cur_w1->family, (char *)"22") == 0) || (strcmp(cur_w1->family, (char *)"28") == 0) || | 298 if (((strcmp(cur_w1->family, (char *)"10") == 0) || (strcmp(cur_w1->family, (char *)"22") == 0) || (strcmp(cur_w1->family, (char *)"28") == 0) || |
| 299 (strcmp(cur_w1->family, (char *)"3b") == 0) || (strcmp(cur_w1->family, (char *)"42") == 0)) { | 299 (strcmp(cur_w1->family, (char *)"3b") == 0) || (strcmp(cur_w1->family, (char *)"42") == 0)) && |
| 300 (cur_w1->present == DEVPRESENT_YES)) { | |
| 300 devfile = xstrcpy((char *)"/sys/bus/w1/devices/"); | 301 devfile = xstrcpy((char *)"/sys/bus/w1/devices/"); |
| 301 devfile = xstrcat(devfile, cur_w1->address); | 302 devfile = xstrcat(devfile, cur_w1->address); |
| 302 devfile = xstrcat(devfile, (char *)"/resolution"); | 303 devfile = xstrcat(devfile, (char *)"/resolution"); |
| 303 if ((fp = fopen(devfile, "r+"))) { | 304 if ((fp = fopen(devfile, "r+"))) { |
| 304 if ((fgets(buffer, 25, fp))) { | 305 if ((fgets(buffer, 25, fp))) { |
| 305 sscanf(buffer, "%d", &value); | 306 sscanf(buffer, "%d", &value); |
| 306 if (value != W1_TEMP_RESOLUTION) { | 307 /* If device is removed, value is negative (errno?) */ |
| 308 if ((value > 0) && (value != W1_TEMP_RESOLUTION)) { | |
| 307 syslog(LOG_NOTICE, "One-wire device %s set resolution from %d to %d", cur_w1->address, value, W1_TEMP_RESOLUTION); | 309 syslog(LOG_NOTICE, "One-wire device %s set resolution from %d to %d", cur_w1->address, value, W1_TEMP_RESOLUTION); |
| 308 fseek(fp, 0L, SEEK_SET); | 310 fseek(fp, 0L, SEEK_SET); |
| 309 sprintf(buffer, "%d", W1_TEMP_RESOLUTION); | 311 sprintf(buffer, "%d", W1_TEMP_RESOLUTION); |
| 310 fputs(buffer, fp); | 312 fputs(buffer, fp); |
| 311 } | 313 } |
| 345 } else { | 347 } else { |
| 346 syslog(LOG_NOTICE, "One-wire device %s open: %s", cur_w1->address, strerror(errno)); | 348 syslog(LOG_NOTICE, "One-wire device %s open: %s", cur_w1->address, strerror(errno)); |
| 347 } | 349 } |
| 348 free(devfile); | 350 free(devfile); |
| 349 devfile = NULL; | 351 devfile = NULL; |
| 350 } | 352 } /* if temperature sensor and present */ |
| 351 | 353 |
| 352 for (;;) { | 354 for (;;) { |
| 353 if (cur_w1->next != NULL) { | 355 if (cur_w1->next != NULL) { |
| 354 cur_w1 = cur_w1->next; | 356 cur_w1 = cur_w1->next; |
| 355 } else { | 357 } else { |
