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🌶️🌶️ - OpenTHread Networking sample pack

Shows how to use OpenThread Networking API.

Samples

Shows how to use various APIs related to OpenThread.

Hardware requirements

These project are for the ESP32_C6 and ESP32_H2 Espressif devkit boards with a Ws2812B Neopixel on pin 8. This can be easily disabled or Ws2812B added to pin 8 for other boards.

Sample description

Upd socket samples

These 2 sample work together to create a client / server communications over OpenThread. They use UPD sockets over the IPV6 networking of the OpenThread stack.

The neopixel shows the current role of the node.

  • White -> Detached from network
  • Green -> Child
  • Blue -> Router
  • Red -> Leader

The led will flash when message is transmitted or received.

The samples use the CCSWE.nanoFramework.Neopixel for driving the neopixels.

There is currently a problem driving the RMT on the ESP32_H2 devices as the core frequency for RMT is 32Mhz instead of 80Mhz. This will be fixed shortly.

UdpThreadClient

This sample will send a broadcast message every 5 seconds using the built-in mesh broadcast address "ff03::1" and port 12324. Any UdpThreadServer running on the same mesh network will receive message and respond back to sender. Any received messages are logged on console.

UdpThreadServer

Sample opens sockets and waits for any messages on port 1234. If any message is received to is echoed back to sending address.

Related topics

Reference

Build the sample

  1. Start Microsoft Visual Studio 2022 or Visual Studio 2019 (Visual Studio 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.

Note

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.