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This implements retries for FreeRTOS IoT Beta2 libraries, initializing the backoff to some value returned by the PRNG: uxRand(). If an attempt (connect or subscribe) fails, vTaskDelay is called to make the task sleep for some backoff period that doubles on each retry but is bounded. Co-authored-by: Muneeb Ahmed <54290492+muneebahmed10@users.noreply.github.com>
*** INTRODUCTION *** We are currently working to improve the modularity and memory usage of new FreeRTOS IoT libraries before releasing the libraries into the main FreeRTOS download with long term support (LTS). https://freertos.org/ltsroadmap.html contains a description of the libraries that target modularity and code quality criteria. An LTS release is only updated with bug and vulnerability patches, not new features. This zip file contains (among other updates) a work-in-progress snapshot of the MQTT library, which is near completion. The MQTT library is now much easier to bring into any project, including projects that do not use FreeRTOS. The /FreeRTOS-Plus/Source/FreeRTOS-IoT-Libraries-LTS-Beta1 directory contains the source code of the libraries that are being refactored. The /FreeRTOS-Plus/Source/FreeRTOS-IoT-Libraries-LTS-Beta2 directory contains the work-in-progress source code of libraries that have already been refactored (currently the MQTT library).