Samples/Archive/GpioChangeCounter

GPIOChangeCounter sample

Shows how to use the Windows.Devices.Gpio GpioChangeCounter API to count pulses from a device.

Shows how to use the Windows.Devices.Gpio GpioChangeCounter API to:

• Count rising, failing and both edges of a pulse on a GPIO pins
• Read the count and the relative time of count
• Reset the count
• Start / Stop count

Hardware requirements

Any hardware device running a nanoFramework image built with GPIO support enabled. The sample uses a PWM signal to generate the pulses so requires the PWM pin to be connected to the Counter pin.

Related topics

Reference

Windows.Devices.Gpio.GpioChangeCounter

System requirements

Client: Windows 10

Build the sample

1. Start Microsoft Visual Studio 2019 (VS 2017 should be OK too) and select File > Open > Project/Solution.
2. Starting in the folder where you unzipped the samples/cloned the repository, go to the subfolder for this specific sample. Double-click the Visual Studio Solution (.sln) file.
3. Press Ctrl+Shift+B, or select Build > Build Solution.

Run the sample

The next steps depend on whether you just want to deploy the sample or you want to both deploy and run it.

Deploying the sample

• Select Build > Deploy Solution.

Deploying and running the sample

• To debug the sample and then run it, press F5 or select Debug > Start Debugging.

Important: Before deploying or running the sample, please make sure your device is visible in the Device Explorer.

Tip: To display the Device Explorer, go to Visual Studio menus: View > Other Windows > Device Explorer.