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Polling on GPIO pins

Narendra Kulkarni29
Intellectual 590 points

We can use callbacks to read GPIO pins in Interrupt mode. How do  read GPIO pins in polling mode on TI-RTOS.  can we poll on GPIO pins in TI-RTOS

  • 0
    TI__Mastermind 26780 points

    Narendra,

    The GPIO drivers in TI-RTOS don’t have a specific polling mode (where they would automatically poll a pin until a certain state occurs).  

    But you can do polling on your own, by calling GPIO_read() repeatedly, or using a delay between calls to GPIO_read() - for example, in a task call Task_sleep() for an interval, then call GPIO_read(), and if the GPIO state is not what you want, invoke Task_sleep() again, etc.

    Scott