44 lines
1.5 KiB
C#
44 lines
1.5 KiB
C#
using System;
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using Windows.ApplicationModel.Background;
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using System.Threading.Tasks;
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// Add using statements to the GrovePi libraries
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using GrovePi;
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using GrovePi.Sensors;
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namespace PIRMotionSensor
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{
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public sealed class StartupTask : IBackgroundTask
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{
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public void Run(IBackgroundTaskInstance taskInstance)
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{
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// Connect the Sound Sensor to digital port 5
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IPIRMotionSensor pirMotion = DeviceFactory.Build.PIRMotionSensor(Pin.DigitalPin5);
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// Loop endlessly
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while (true)
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{
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try
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{
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// Check people motion
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if (pirMotion.IsPeopleDetected())
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{
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System.Diagnostics.Debug.WriteLine("Have people motion");
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}
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Task.Delay(1000).Wait();
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}
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catch (Exception ex)
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{
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// NOTE: There are frequent exceptions of the following:
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// WinRT information: Unexpected number of bytes was transferred. Expected: '. Actual: '.
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// This appears to be caused by the rapid frequency of writes to the GPIO
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// These are being swallowed here/
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// If you want to see the exceptions uncomment the following:
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// System.Diagnostics.Debug.WriteLine(ex.ToString());
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}
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}
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}
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}
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}
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