mh
/
qmk_firmware
mirror of https://github.com/qmk/qmk_firmware/


								// Rotary knob implementation - Version 2.

								// Uses 2 digital pins - D2 (via interrupt) & D6.

								// #include "rev1.h"

								#include <avr/io.h>

								#include <avr/interrupt.h>

								#include <stdbool.h>


								#ifndef ENCODER_PIN_1

								  #define ENCODER_PIN_1 PD2

								#endif

								#ifndef ENCODER_PIN_2

								  #define ENCODER_PIN_2 PD6

								#endif

								#ifndef ENCODER_INT

								  #define ENCODER_INT   INT2_vect

								#endif


								typedef struct knob_report_t {

								    int8_t dir;  // Contains number of rotations that happened

								    int8_t phase;  // Contains 0 if last rotation happened on 90 degrees, 1 if on 270

								}  knob_report_t;


								void knob_init(void);

								knob_report_t knob_report_read(void);

								void knob_report_reset(void);


								bool knob_prev_a;

								int8_t knob_dir;