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Code Issues Releases Wiki Activity

Resolve "Change temperature logic"

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This commit is contained in:
Mike Shoup 2018-10-07 21:57:41 +00:00
parent 9cb8a0bf18
commit 05db37343d
2 changed files with 30 additions and 32 deletions
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4
html/js/thermostat.js
View file

@ -49,8 +49,8 @@ function renderThermostats() {
var hightemp = parseFloat(configData.hightemp).toFixed(1) + "°C";
var lowtemp = parseFloat(configData.lowtemp).toFixed(1) + "°C";
}
configText = "Chills when > " + hightemp + " for " + configData.coolminutes + " minutes.<br />";
configText += "Heats when < " + lowtemp + " for " + configData.heatminutes + " minutes.";
configText = "Chills for " + configData.coolminutes + " minutes when > " + hightemp + ".<br />";
configText += "Heats for " + configData.heatminutes + " minutes when < " + lowtemp + ".";
var configp = $("<p></p>").html(configText);
var configdiv = $("<div></div>").addClass("seven columns").append(configp);

58
thermostat.go
View file

@ -63,6 +63,11 @@ func ProcessSensor(sensor Sensor, state State) (State, error) {
log.Panicln(err)
}
// When things reach the right temperature, set the duration to the future
// TODO: Better handling of this. Changed should maintain when the state changed.
// Probably need a new flag in the State struct.
future := time.Date(2999, 1, 1, 0, 0, 0, 0, time.UTC)
state.When = time.Now()
// Initialize the pins
@ -74,45 +79,38 @@ func ProcessSensor(sensor Sensor, state State) (State, error) {
// Calculate duration
duration := time.Since(state.Changed).Minutes()
// When things reach the right temperature, set the duration to the future
// TODO: Better handling of this. Changed should maintain when the state changed.
// Probably need a new flag in the State struct.
future := time.Date(2999, 1, 1, 0, 0, 0, 0, time.UTC)
switch {
case temp > sensor.HighTemp && temp < sensor.LowTemp:
log.Println("Invalid state! Temperature is too high AND too low!")
// Temperature is high enough, turn off
case temp > sensor.LowTemp && state.Heating:
PinSwitch(hpin, false, sensor.HeatInvert)
state.Heating = false
state.Changed = future
// Temperature is too high and the cooling switch is still on, do nothing
case temp > sensor.HighTemp && state.Cooling:
break
// Temperature is too high, but duration hasn't been counted
case temp > sensor.HighTemp && duration < 0:
state.Changed = time.Now()
// Temperature is too high and the duration has been long enough, start cooling
case temp > sensor.HighTemp && duration > sensor.CoolMinutes:
// Temperature too high, start cooling
case temp > sensor.HighTemp:
PinSwitch(cpin, true, sensor.CoolInvert)
state.Cooling = true
state.Changed = time.Now()
// Temperature is low enough, stop cooling
case temp < sensor.HighTemp && state.Cooling:
PinSwitch(hpin, false, sensor.HeatInvert) // Ensure the heater is off
state.Heating = false
state.Changed = future
// Temperature too low, start heating
case temp < sensor.LowTemp:
PinSwitch(hpin, true, sensor.HeatInvert)
state.Heating = true
PinSwitch(cpin, false, sensor.CoolInvert) // Ensure the chiller is off
state.Cooling = false
state.Changed = future
// Temperature is good and cooling has been happening long enough
case temp < sensor.HighTemp && state.Cooling && duration > sensor.CoolMinutes:
PinSwitch(cpin, false, sensor.CoolInvert)
state.Cooling = false
state.Changed = future
// Temperature is too low and the heating switch is on, do nothing
case temp < sensor.LowTemp && state.Heating:
break
// Temperature is too low, but duration hasn't been counted
case temp < sensor.LowTemp && duration < 0:
// Temperature is good and heating has been happening long enough
case temp > sensor.LowTemp && state.Heating && duration > sensor.HeatMinutes:
PinSwitch(hpin, false, sensor.HeatInvert)
state.Heating = false
state.Changed = future
// Temperature just crossed high threshold
case temp < sensor.HighTemp && state.Cooling && duration < 0:
state.Changed = time.Now()
// Temperature is too low and the duration has been long enough, start heating
case temp < sensor.LowTemp && duration > sensor.HeatMinutes:
PinSwitch(hpin, true, sensor.HeatInvert)
state.Heating = true
// Temperature just crossed low threshold
case temp > sensor.LowTemp && state.Heating && duration < 0:
state.Changed = time.Now()
default:
break