Handle more buttons than 4?

Handle more buttons than 4?https://devzone.nordicsemi.com/f/nordic-q-a/13982/handle-more-buttons-than-4I'm trying to add more buttons to the nRF51 DK. But I get an error. I have found the NUMBER_OF_GPIO_TE define. #define NUMBER_OF_GPIO_TE 4 How can I handle more buttons? I need at least 12 buttons. And my App must be able to wake up by pressingen-USTelligent Community 13Fri, 20 May 2016 17:47:38 GMTRE: Handle more buttons than 4?https://devzone.nordicsemi.com/thread/53396?ContentTypeID=1Fri, 20 May 2016 17:47:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9908f92e-d930-4c9c-85b5-18a3985b38fcJohn<p>The reference manual just calls the register "PORT" and not "EVENTS_PORT". I think this is pretty much the norm for the manual vs. the code.</p><div style="clear:both;"></div>