Commit 35a62370 authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

Arduino Nano GPIO: Add pinToPort and pinToBitmask helpers

parent b8366cf9

include/arch/arduino-nano/driver/gpio.h

+12 −0
Original line number Diff line number Diff line
@@ -39,6 +39,18 @@ class GPIO { 
		inline void setup() {

			DDRB = _BV(PB5);

		}

		inline volatile uint8_t * pinToPort(uint8_t pin) {

			if (pin <= pb7) {

				return &PORTB;

			}

			if (pin <= pc6) {

				return &PORTC;

			}

			return &PORTD;

		}

		inline unsigned char pinToBitmask(uint8_t pin) {

			return _BV(pin % 8);

		}

#pragma GCC diagnostic ignored "-Wunused-parameter"

		inline void led_on(unsigned char id) {

			PORTB |= _BV(PB5);