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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Timers;
namespace NucLedController
{
class CPUUsageIndicatorControlMode : IControlMode
{
private readonly Timer timer;
private readonly PerformanceCounter perfCounter;
private LEDColour currentColour;
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;
}
}
// 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");
}
}
public void Start()
{
timer.Start();
}
public void Stop()
{
timer.Start();
}
}
}
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