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    • SW4STM32 and std::thread

    Posted by Uhv on 2017-11-24 02:14 Russian Federation

    Hello,

    is it possible to use the c++11 class std::thread for programming STM32 controllers? Can SW4STM32 generate a multithreading code without OS?

    Thanks

    Reads: 12788
    Posted by hardwareguyvw on 2017-11-29 10:28

    std::thread is more of a STL thing. That comes from libc++ and boost etc.

    But you have two threading options here: CMSIS(osThreadCreate) and FreeRTOS(xTaskCreate)

    "Can SW4STM32 generate a multithreading code without OS?" - this will be your CMSIS option


         Posted by Uhv on 2017-11-29 20:21 Russian Federation

    Yes, I'd like to use right standart c++11 class. But when I try to compile the class std::thread it gives an error.

    FreeRTOS looks like a kind of some patch: no classes, no methods, only c-functions. I have to write a some wrap for classes. And I'm not sure that this wrap will be enough good.

    CMSIS RTOS is a same thing: you may use only c-style code.

    Have I understood right: c++11 from SW4STM32 cannot generate code for std
    thread, std
    mutex etc? Or I can set some option and it will work properly... Is it possible?
    Posted by hardwareguyvw on 2017-11-30 08:17

    You can not use C++ here.

    C only.

    You have equivalents for mutex and threads from the CMSIS and Freertos library.


         Posted by Uhv on 2017-11-30 12:32 Russian Federation

    Really I can 😊

    I have written a wrap to FreeRTOS for classes. It includes tasks, semaphores, mutexes, events. Only timers are not included in it yet.

    It's a pity that SW4STM32 doesn't support c++11 fully 😑