Mercurial > mbsePi-apps / file comparison
comparison: thermferm/thermferm.c
thermferm/thermferm.c
- changeset 348
- ffc4b8aa824f
- parent 328
- 1713dc0cd20f
- child 349
- 1f89da6511a9
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| 347:0ab5c3fd7c77 | 348:ffc4b8aa824f |
|---|---|
| 1430 } | 1430 } |
| 1431 } | 1431 } |
| 1432 } | 1432 } |
| 1433 device_out(unit->cooler_address, unit->cooler_state); | 1433 device_out(unit->cooler_address, unit->cooler_state); |
| 1434 } | 1434 } |
| 1435 if (unit->heater_address && unit->cooler_address && unit->fan_address) { | 1435 |
| 1436 if ((unit->heater_address || unit->cooler_address) && unit->fan_address) { | |
| 1436 /* | 1437 /* |
| 1437 * If the temperature difference between air and beer is more then | 1438 * If there is a heater or cooler and we have a fan, turn fan on if |
| 1438 * xxx degrees, turn the fan on to make an airflow. | 1439 * cooling or heating. |
| 1439 * Maybe, run the fan too if the heater is on because the heater in | |
| 1440 * most cases will be some sort of radiating heat device. | |
| 1441 * For cooling ??? dunno yet. | |
| 1442 */ | 1440 */ |
| 1443 if (((unit->air_temperature - unit->beer_temperature) > 1000) || | 1441 if ((unit->heater_address && unit->heater_state) || (unit->cooler_address && unit->cooler_state)) { |
| 1444 ((unit->air_temperature - unit->beer_temperature) < -1000)) { | |
| 1445 if (! unit->fan_state) | 1442 if (! unit->fan_state) |
| 1446 syslog(LOG_NOTICE, "Fan Off => On"); | 1443 syslog(LOG_NOTICE, "Fan Off => On"); |
| 1447 unit->fan_state = 100; | 1444 unit->fan_state = 100; |
| 1448 } else { | 1445 } else { |
| 1449 if (unit->fan_state) | 1446 if (unit->fan_state) |
| 1450 syslog(LOG_NOTICE, "Fan On => Off"); | 1447 syslog(LOG_NOTICE, "Fan On => Off"); |
| 1451 unit->fan_state = 0; | 1448 unit->fan_state = 0; |
| 1452 } | 1449 } |
| 1453 device_out(unit->fan_address, unit->fan_state); | 1450 device_out(unit->fan_address, unit->fan_state); |
| 1454 } | 1451 } |
| 1452 | |
| 1455 } else { | 1453 } else { |
| 1456 P_err = 0.0; | 1454 P_err = 0.0; |
| 1457 unit->PID_iState = 0.0; | 1455 unit->PID_iState = 0.0; |
| 1458 unit->PID_dState = 0.0; | 1456 unit->PID_dState = 0.0; |
| 1459 } | 1457 } |
