public void StartProgram(OvenProgram op)
{
if (_cts != null)
{
_cts.Dispose();
}
_cts = new System.Threading.CancellationTokenSource();
Task.Run(() => ProgramLoop(op, _cts.Token));
}
public void Start(int temperature)
{
var p = new OvenProgram()
{
Items = new List <OvenProgramItem>()
{
new OvenProgramItem()
{
Time = new DateTime(), Temperature = temperature, Relays = _ovenSettings.OvenSettings.RelayPins.Length
}
},
Name = "Temperature"
};
StartProgram(p);
}
private async void SecondLoop(System.Threading.CancellationToken ct, int seconds)
{
int d = seconds * 1000;
CurrentOvenProgram = new OvenProgram()
{
Items = new List <OvenProgramItem>()
{
new OvenProgramItem()
{
Time = new DateTime(), Temperature = 0, Relays = _ovenSettings.OvenSettings.RelayPins.Length
}
},
Name = "Loop"
};
_dtStart = DateTime.Now;
IsWorked = true;
while (ct.IsCancellationRequested == false)
{
foreach (var item in _ovenSettings.OvenSettings.RelayPins)
{
_gpioController.Write(item, PinValue.Low);
}
await Task.Delay(d);
foreach (var item in _ovenSettings.OvenSettings.RelayPins)
{
_gpioController.Write(item, PinValue.High);
}
await Task.Delay(d);
}
IsWorked = false;
}
private async void ProgramLoop(OvenProgram op, System.Threading.CancellationToken ct)
{
_dtStart = DateTime.Now;
var stopwatch = new System.Diagnostics.Stopwatch();
CurrentOvenProgram = op;
IsWorked = true;
foreach (var item in op.Items)
{
if (ct.IsCancellationRequested || item.Temperature == -1)
{
break;
}
stopwatch.Reset();
bool startStopwatch = true;
op.CurrentItemId = item.Id;
while (stopwatch.Elapsed.TotalSeconds <= item.Time.TimeOfDay.TotalSeconds || item.Time.TimeOfDay == TimeSpan.Zero)
{
if (ct.IsCancellationRequested)
{
break;
}
if (CurrentTemperature < item.Temperature)
{
//Phase 1
if (CurrentTemperature < item.Temperature - _ovenSettings.OvenSettings.HeatPhase2)
{
for (int i = 0; i < item.Relays; i++)
{
_gpioController.Write(_ovenSettings.OvenSettings.RelayPins[i], PinValue.Low);
}
while (CurrentTemperature < item.Temperature)
{
if (ct.IsCancellationRequested || CurrentTemperature > item.Temperature - _ovenSettings.OvenSettings.HeatPhase2)
{
break;
}
await Task.Delay(_tempLoopDelay);
}
for (int i = 0; i < item.Relays; i++)
{
_gpioController.Write(_ovenSettings.OvenSettings.RelayPins[i], PinValue.High);
}
}
else //Phase 2
{
while (CurrentTemperature < item.Temperature)
{
if (ct.IsCancellationRequested)
{
break;
}
for (int i = 0; i < item.Relays; i++)
{
_gpioController.Write(_ovenSettings.OvenSettings.RelayPins[i], PinValue.Low);
}
await Task.Delay(_ovenSettings.OvenSettings.HeatDuration * 1000);
for (int i = 0; i < item.Relays; i++)
{
_gpioController.Write(_ovenSettings.OvenSettings.RelayPins[i], PinValue.High);
}
if (ct.IsCancellationRequested)
{
break;
}
await Task.Delay(_ovenSettings.OvenSettings.HeatWait * 1000);
}
}
}
else
{
if (startStopwatch)
{
startStopwatch = false;
stopwatch.Start();
}
await Task.Delay(_tempLoopDelay);
}
}
}
stopwatch.Stop();
IsWorked = false;
}
