public void StartMashCycle()
{
_currentStep = null;
_stepStartTime = DateTime.MinValue;
_stepsComplete = false;
_reachedStepTemperature = false;
}
public static bool UpdateMashProfile(RequestReceivedEventArgs e, JsonArray h)
{
try
{
string[] steps = null;
string[] stepData = null;
float tempValue = 0.0F;
MashStep newMashStep = null;
PinManagement.mashSteps = new MashSteps();
PinManagement.mashSteps.Steps = new ArrayList();
// mashProfile=0:122:15,1:135:15,2:148:60,3:170:15,4:225:90,
if (e.Request.GetArguments.Contains("mashProfile"))
{
string temp = e.Request.GetArguments["mashProfile"].ToString();
temp = temp.Replace("%3A", ":");
temp = temp.Replace("%2C", ",");
steps = temp.Split(',');
if (steps != null)
{
foreach (string step in steps)
{
stepData = step.Split(':');
if ((stepData != null) && (stepData.Length > 2))
{
newMashStep = new MashStep();
Settings.TryParseFloat(stepData[1], out tempValue);
newMashStep.StepNumber = Convert.ToInt32(stepData[0]); ;
newMashStep.Temperature = tempValue;
newMashStep.Time = Convert.ToInt32(stepData[2]);
PinManagement.mashSteps.Steps.Add(newMashStep);
}
}
PinManagement.mashSteps.CurrentStep = null;
}
}
// send back an ok response
h.Add("OK");
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
h.Add("ERROR");
h.Add(ex.Message);
}
return true;
}
public MashStep First()
{
_index = 0;
MashStep result = null;
if ((_steps != null) && (_steps.Count > 0))
{
result = (MashStep)_steps[_index];
_currentStep = result;
}
else
{
_currentStep = null; ;
}
return result;
}
protected override void Run()
{
while (true)
{
try
{
if (PinManagement.heaterEngaged)
{
if ((PinManagement.mashSteps != null) && (PinManagement.mashSteps.Steps.Count > 0))
{
_currentStep = PinManagement.mashSteps.CurrentStep;
if ((_currentStep == null) && (!_stepsComplete))
{
_currentStep = PinManagement.mashSteps.First();
PinManagement.setTemperature = _currentStep.Temperature;
_stepStartTime = DateTime.Now;
}
DateTime _currentTime = DateTime.Now;
// calculate the difference between the set temperature and current temperature
float temperatureDifference = (float)System.Math.Abs(PinManagement.setTemperature - PinManagement.currentTemperatureSensor);
// are we at the step temperature
if (temperatureDifference < SystemSettings.TemperatureHeaterOffset)
{
if (_reachedStepTemperature)
{
// check how long at the step temperature
TimeSpan timeInterval = _currentTime.Subtract(_stepStartTime);
_outputHelper.DisplayText("Step: " + _currentStep.StepNumber.ToString() + "Temp: " + _currentStep.Temperature.ToString("f2") + "|Time: " + timeInterval.Minutes.ToString());
if (timeInterval.Minutes >= _currentStep.Time)
{
// pulse pezio for five seconds to indicate profile step complete
PinManagement.buzzerSolidPort.Write(true);
Thread.Sleep(5000);
PinManagement.buzzerSolidPort.Write(false);
// get the next step
_currentStep = PinManagement.mashSteps.Next();
// set the temp
PinManagement.setTemperature = _currentStep.Temperature;
// set the start time
_stepStartTime = DateTime.Now;
// update the flag
_reachedStepTemperature = false;
// no more steps turn off the heater
if (_currentStep == null)
{
PinManagement.setTemperature = 0.0F;
PinManagement.heaterEngaged = false;
_stepsComplete = true;
}
}
}
else
{
// we have reached the step temperature
// update the start time
_stepStartTime = DateTime.Now;
PinManagement.currentMashStepStartTime = _stepStartTime;
// update the flag
_reachedStepTemperature = true;
}
}
else
{
if (!_reachedStepTemperature)
{
// reset the minutes remaining time
PinManagement.currentMashStepStartTime = _currentTime;
}
else
{
// check how long at the step temperature
TimeSpan timeInterval = _currentTime.Subtract(_stepStartTime);
_outputHelper.DisplayText("Step: " + _currentStep.StepNumber.ToString() + "Temp: " + _currentStep.Temperature.ToString("f2") + "|Time: " + timeInterval.Minutes.ToString());
}
}
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
// wait till next reading cycle
Thread.Sleep(1000);
}
}
public MashStep Next()
{
_index++;
MashStep result = null;
if ((_steps != null) && (_index < _steps.Count))
{
result = (MashStep)_steps[_index];
_currentStep = result;
}
else
{
_currentStep = null; ;
}
return result;
}
