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WrapperFreeRTOS

FreeRTOS C++ Wrapper for easy use of the main concurrency utilities from FreeRTOS in OOP,compatible with Arduino core and tested on an ESP32 and ESP8266. Note that you must to use esp8266RTOSArdoArduCore to use this library with esp8266.

It is based on the wrappers by Neil Kolban [https://github.com/nkolban/esp32-snippets/blob/master/cpp_utils/Task.cpp], and Richard Damon [https://github.com/richard-damon/FreeRTOScpp/blob/master/TaskCPP.h] .

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Examples:

• BasicTask: Creation of a concurrent object.

• BasicMutex: Coordination between two concurrent objects using a mutex or binary semaphore.

• BasicSemaphore: Typical problem of a slow producer and several fast consumers, solved using a "counting semaphore."

• BasicQueue: Data transmission using QueueHandle_t between two concurrent objects.

• CrossedReferences: Example of a possible solution to crossed object references in C++.

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Wrapper Adaptation

• The adaptation of the Task.h and Task.cpp wrapper (nKolban) involved replacing the std::string library with Arduino.h and redefining any variable and argument of type std::string or other std:: with its corresponding in Arduino.h. Note that it adapts according to the parameters passed to the functions for creating and manipulating TaskHandle_t.

• The stack size value is replaced from uint8 to uint32 since xcreateTask() receives a uint32.

• An enum (TaskPriority) is added that collects the numeric value of the different predefined priorities in the version of FreeRTOS used in your project (Richard Damon).

• The method xTaskHandle getTaskHandle() is added.

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Bibliography

• [https://github.com/nkolban/esp32-snippets/blob/master/cpp_utils/Task.cpp]

• [https://github.com/richard-damon/FreeRTOScpp/blob/master/TaskCPP.h]

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Licencia

• MIT License