supleed2/ELEC60013-ES-CW2
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Benjamin Ramhorst 2022-03-25 18:16:21 +00:00 committed by GitHub
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@ -68,7 +68,7 @@ Shared data structures:
* msgInQ, handled by FreeRTOS * msgInQ, handled by FreeRTOS
* code(RX_Message), handled by code(std::atomic_flag) * code(RX_Message), handled by code(std::atomic_flag)
It was desiced to use C++ code(std::atomic), as it is easier to use and implement, while providing the same functionality as a mutex. According to the documentation: *"Each instantiation and full specialization of the std::atomic template defines an atomic type. If one thread writes to an atomic object while another thread reads from it, the behavior is well-defined (see memory model for details on data races). In addition, accesses to atomic objects may establish inter-thread synchronization and order non-atomic memory accesses as specified by std::memory_order."* (https://en.cppreference.com/w/cpp/atomic/atomic) It was desiced to use C++ code(std::atomic), as it is easier to use and implement, while providing the same functionality as a mutex. According to the documentation: *"Each instantiation and full specialization of the std::atomic template defines an atomic type. If one thread writes to an atomic object while another thread reads from it, the behavior is well-defined (see memory model for details on data races). In addition, accesses to atomic objects may establish inter-thread synchronization and order non-atomic memory accesses as specified by std::memory_order.*"(https://en.cppreference.com/w/cpp/atomic/atomic)
TODO - Expand on the memory model for std::atomic. TODO - Expand on the memory model for std::atomic.
TODO - Explain how FreeRTOS handles msgInQ. TODO - Explain how FreeRTOS handles msgInQ.