toggle GPIO as fast as possible

toggle GPIO as fast as possiblehttps://devzone.nordicsemi.com/f/nordic-q-a/34196/toggle-gpio-as-fast-as-possibleI want to use C code to toggle the GPIO lines as fast as possible in C. I do not want to use any libraries.en-USTelligent Community 13Fri, 11 May 2018 04:26:13 GMTRE: toggle GPIO as fast as possiblehttps://devzone.nordicsemi.com/thread/131658?ContentTypeID=1Fri, 11 May 2018 04:26:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:62b9c9bc-3d01-45f3-8af6-9a5eae893ebaweightwatcherphil<p>thanks.</p><div style="clear:both;"></div>RE: toggle GPIO as fast as possiblehttps://devzone.nordicsemi.com/thread/131637?ContentTypeID=1Thu, 10 May 2018 15:52:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:03d7c0aa-8c73-4c29-af51-c7c0d58423b1John<p>You could do this in a loop:</p> <p>NRF_GPIO->OUTSET = (1UL << pin_number);</p> <p>NRF_GPIO->OUTCLR = (<span>1UL << pin_number);</span></p> <p>Blatantly stolen from nrf_gpio.h</p><div style="clear:both;"></div>