private async void Stop_Click(object sender, RoutedEventArgs e)
{ //Send the stop command and save sample data to a csv file
Stop.IsEnabled = false;
Status.Text = (await Oven.Stop()).ToString();
try
{
var filename = $"{DateTime.Now:yyyy-MM-dd HHmmss}.csv";
var file = await DownloadsFolder.CreateFileAsync(filename);
var lines = new List <string> {
"RealTime,RecipeTime (s),Temperature (°C),Ambient Temp (°C),Set Power (W)"
};
foreach (var sample in SampleData)
{
lines.Add($"{sample.RealTime:yyyy-MM-dd HH:mm:ss},{sample.Time},{sample.Temperature},{sample.Ambient},{sample.Power}");
}
await FileIO.WriteLinesAsync(file, lines);
await CachedFileManager.CompleteUpdatesAsync(file);
}
catch (Exception x)
{
await ShowError($"Error saving data file:{Environment.NewLine}{x.Message}");
}
Stop.IsEnabled = true;
}
private async void Start_Click(object sender, RoutedEventArgs e)
{ //Send Start command to oven
Start.IsEnabled = false;
Status.Text = (await Oven.Start()).ToString();
SampleData.Clear();
Start.IsEnabled = true;
}
/*Operations*/
private async void SamplePoll_Tick(object sender, object e)
{ //Periodically poll for current data
//Get current sample
Sample sample = await Oven.GetCurrentSample();
UpdateSampleUI(sample);
//Add sample to graph
if (sample != null)
{
SampleData.Add(sample);
}
//Get the oven's current status code
var status = await Oven.GetStatus();
if (status == OvenStatus.NotConnected && Oven.ErrorMessage != null)
{
Status.Text = Oven.ErrorMessage;
}
else
{
Status.Text = status.ToString();
}
}
private async void RefreshPID_Click(object sender, RoutedEventArgs e)
{ //Get Oven's current PID coefficients
RefreshPID.IsEnabled = false;
PID psoc = await Oven.GetPID();
POven.Text = psoc.Proportional.ToString();
IOven.Text = psoc.Integral.ToString();
DOven.Text = psoc.Derivative.ToString();
RefreshPID.IsEnabled = true;
}
private async void SendAmbient_Click(object sender, RoutedEventArgs e)
{ //Send set ambient temperature to the oven
SendAmbient.IsEnabled = false;
if (await Oven.SetAmbient(Ambient.ValueFloat()))
{
await ShowSuccess("Ambient temperature sent successfully.");
}
else
{
await ShowError($"Ambient temperature failed to send.{(Oven.ErrorMessage != null ? Environment.NewLine + Oven.ErrorMessage : "")}");
}
SendAmbient.IsEnabled = true;
}
/*Main Page*/
private async void MainPage_Loaded(object sender, RoutedEventArgs e)
{
//Select the first step in the Recipe editor
StepSelector.SelectedIndex = 0;
//Get current oven status
var status = await Oven.GetStatus();
Status.Text = status.ToString();
//Restart if the oven tells us to
if (status == OvenStatus.NeedRestart)
{
ShutdownManager.BeginShutdown(ShutdownKind.Restart, TimeSpan.Zero);
return;
}
//Start sample timer
SamplePoll.Start();
//Look for recipe files and populate recipe list
var files = (await LocalFolder.GetFilesAsync())
.Where(x => x.Name.EndsWith(RecipeFilenameExtension));
if (files.Any())
{
foreach (var filename in files
.Select(x => x.Name.Remove(x.Name.Length - RecipeFilenameExtension.Length)))
{
RecipeFiles.Add(filename);
}
}
//Read PID coefficients from stored settings
if (Settings.ContainsKey(nameof(PID)) && Settings[nameof(PID)] is string pidString)
{
var pid = PID.FromString(pidString);
PInput.Value = pid.Proportional;
IInput.Value = pid.Integral;
DInput.Value = pid.Derivative;
SendPID_Click(this, new RoutedEventArgs());
}
}
/*PID*/
private async void SendPID_Click(object sender, RoutedEventArgs e)
{ //Send PID coefficients to Oven
SendPID.IsEnabled = false;
PID hmi = (PInput.ValueFloat(), IInput.ValueFloat(), DInput.ValueFloat());
PID psoc = await Oven.SetPID(hmi);
if (psoc == hmi)
{
POven.Text = psoc.Proportional.ToString();
IOven.Text = psoc.Integral.ToString();
DOven.Text = psoc.Derivative.ToString();
await ShowSuccess("PID updated successfully");
Settings[nameof(PID)] = psoc.ToString();
}
SendPID.IsEnabled = true;
}
private async void SendRecipe_Click(object sender, RoutedEventArgs e)
{ //Send the current recipe to the oven
SendRecipe.IsEnabled = false;
if (Recipe.Steps.Count < MinSteps)
{
await ShowError($"Recipe has too few steps. Minimum is {MinSteps}.");
SendRecipe.IsEnabled = true;
return;
}
if (await Oven.SetRecipe(Recipe))
{
await ShowSuccess("Recipe sent successfully.");
}
else
{
await ShowError($"Recipe failed to send.{(Oven.ErrorMessage != null ? Environment.NewLine + Oven.ErrorMessage : "")}");
}
SendRecipe.IsEnabled = true;
}
