Mercurial > mbsePi-apps / file comparison
comparison: thermferm/thermferm.c
thermferm/thermferm.c
- changeset 233
- 5874a6480322
- parent 227
- 1cb55ea51f76
- child 234
- b69438db19ec
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| 232:bee2600d3d30 | 233:5874a6480322 |
|---|---|
| 733 unit->cooler_state = 100; | 733 unit->cooler_state = 100; |
| 734 else | 734 else |
| 735 unit->cooler_state = 0; | 735 unit->cooler_state = 0; |
| 736 device_out(unit->cooler_address, unit->cooler_state); | 736 device_out(unit->cooler_address, unit->cooler_state); |
| 737 } | 737 } |
| 738 if (unit->heater_address && unit->cooler_address && unit->fan_address) { | |
| 739 /* | |
| 740 * If the temperature difference between air and beer is more then | |
| 741 * xxx degrees, turn the fan on to make an airflow. | |
| 742 * Maybe, run the fan too if the heater is on because the heater in | |
| 743 * most cases will be some sort of radiating heat device. | |
| 744 * For cooling ??? dunno yet. | |
| 745 */ | |
| 746 if (((unit->air_temperature - unit->beer_temperature) > 1000) || | |
| 747 ((unit->air_temperature - unit->beer_temperature) < -1000)) { | |
| 748 unit->fan_state = 100; | |
| 749 } else { | |
| 750 unit->fan_state = 0; | |
| 751 } | |
| 752 device_out(unit->fan_address, unit->fan_state); | |
| 753 } | |
| 738 } else { | 754 } else { |
| 739 err = 0.0; | 755 err = 0.0; |
| 740 unit->PID_I_err = 0.0; | 756 unit->PID_I_err = 0.0; |
| 741 unit->PID_err_old = 0.0; | 757 unit->PID_err_old = 0.0; |
| 742 } | 758 } |
