semaphore Articles

Why Not Use Global Variables for Inter-task Communication in RTOS?

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Author | strongerHuang

WeChat Public Account | strongerHuang

Students who have a deep understanding of RTOS principles or have read RTOS source code should know: RTOS implements inter-task communication usually by a series of pointers.

The "effective data" of inter-task communication is actually implemented by pointers pointing to a "variable" or "array".

1.Semaphore

The essence of a semaphore is to pass an "event". For example: Task A

2025-01-27

Tag: semaphore

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