5 Replies Latest reply on Jun 30, 2015 3:09 PM by raoloka

    GPIO read (with isr)



      I'm trying to use libmraa for gpio based read and write ..

      I was able to write reliably (and monitor too with a logic analyzer).

      However, isr based, or plain mraa_gpio_read doesn't seem to show

      what I expect.


      I did a mraa_gpio_write("gpio context for pin 6) in one process,

      and tried monitoring pin 6 with a different process (isr based). I don't

      see anything.

      If I do a plain mraa_gpio_read, I seem to get plain 0's ...

      Can someone point out what I'm missing?


        - Thanks,

         - Rao.