License

• The STM32_WPAN middleware makes the link between the Application and the different stacks (BLE /Thread /Mac 802_15_4). 
  The directory named core (Middlewares\ST\STM32_WPAN\thread\openthread\core) contains the wrapper used to control the OpenThread stack from the Application.
  This software module is licensed by ST under Ultimate Liberty license SLA0044, the “License”; You may not use this file except in compliance with the License. You may obtain a copy of the License at:  SLA0044
  
• The Thread stack running on the STM32WB device is provided by OpenThread.
  The directory named stack (Middlewares\ST\STM32_WPAN\thread\openthread\stack) contains all the APIs provided by OpenThread.
  This software module is licensed by ST under BSD 3-Clause license, the “License”; You may not use this component except in compliance with the License. You may obtain a copy of the License at: https://opensource.org/licenses/BSD-3-Clause

Thread overview

Thread is an IPV6-based,royalty-free networking protocol for Internet of Things (Iot). This protocol is mainly used on “smart” home automation devices to communicate on a local wireless mesh network. Thread uses 6LoWPAN, which in turn uses the IEE 802.15.4 wireless protocol.

The Thread stack contains several layers as shown on the figure below:

OpenThread Stack

• The Thread stack running on the STM32WB device is provided by OpenThread and available at following URL: https://github.com/openthread/openthread

• OpenThread released by Nest is an open-source implementation of the Thread networking protocol. To learn more about this stack, refer yourself to the following link: https://openthread.io

OpenThread API Description

• OpenThread API description can be found in local STM32WBxx_OpenThread_API_User_Manual.chm or by accessing online GitHub at following URL: https://github.com/openthread/openthread

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