If the pin acts as the input then it should read an external state. I would configure this pin as the output and then write 0/1 to a necessary bit position
Отправлено с iPad > 3 июля 2015 г., в 19:02, Salman Feroze <[email protected]> написал(а): > > Hey guys, > > I am relatively new in this forum, so please bear with me if the questions I > ask would sound unintelligent. I am currently working with the Beagle Bone > Black that is running QNX RTOS. I am trying to get my head around this board > by developing simple programs such as turning ON an external LED that is > connected to the board. So far, I have manage to identify a GPIO pin and set > it to be an input using the data direction register (DDR) function. However, > I am unable to move on from here. > > Since I have enabled the pin to act as input, how would I be able to use it > to turn ON an LED? What should be my next step be? > > Any input/suggestion would be much appreciated. > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
