public CPUUsageIndicatorControlMode(int intervalMs)
{
timer = new Timer();
timer.Elapsed += new ElapsedEventHandler(Tick);
timer.Interval = intervalMs;
perfCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total");
currentColour = LEDColour.getLEDColour("WHITE");
}
private void Tick(object source, ElapsedEventArgs e)
{
float cpuUtilisation = perfCounter.NextValue();
LEDColour targetColour = mapUsageToColour(cpuUtilisation);
if (currentColour != targetColour)
{
LEDController.SetLEDState(LEDTransition.getLEDTransition("ALWAYS_ON"), targetColour);
currentColour = targetColour;
}
}
private void applyChanges(object sender, RoutedEventArgs e)
{
try
{
// Stop the current control mode if there is one
if (currentControlMode != null)
{
currentControlMode.Stop();
}
TabItem tabItem = tabControl.SelectedItem as TabItem;
if (tabItem.Name.ToString() == "AUTO")
{
if (radioButtonCycleColour.IsChecked ?? false)
{
currentControlMode = new BlinkColourCyclerControlMode((int)sliderCycleRate.Value);
currentControlMode.Start();
lableStatusText.Content = "Colour cycle mode enabled";
}
else if (radioButtonFadeColour.IsChecked ?? false)
{
currentControlMode = new FadeColourCyclerControlMode((int)sliderFadeRate.Value);
currentControlMode.Start();
lableStatusText.Content = "Colour fade mode enabled";
}
else if (radioButtonCPUUsage.IsChecked ?? false)
{
currentControlMode = new CPUUsageIndicatorControlMode(2000); //TODO make configurable
currentControlMode.Start();
lableStatusText.Content = "CPU utilisation indicator mode enabled";
}
}
else
{
if (radioButtonDisableLed.IsChecked ?? false)
{
LEDController.DisableLED();
lableStatusText.Content = "LED disabled";
}
else
{
LEDTransition transition = comboBoxTransition.SelectedItem as LEDTransition;
LEDColour colour = comboBoxColour.SelectedItem as LEDColour;
LEDController.SetLEDState(transition, colour);
lableStatusText.Content = $"LED set: {colour.DisplayName} - {transition.DisplayName}";
}
}
}
catch (Exception ex)
{
MessageBox.Show($"Error setting LED: {ex.Message.ToString()}", "Error", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
// TODO add option to map usage to brighness
private LEDColour mapUsageToColour(float utilisation)
{
if (utilisation <= 33)
{
return(LEDColour.getLEDColour("GREEN"));
}
else if (utilisation > 66)
{
return(LEDColour.getLEDColour("RED"));
}
else
{
return(LEDColour.getLEDColour("YELLOW"));
}
}
