#ifndef PORTEXPANDER_H #define PORTEXPANDER_H #include <stdint.h> #include <stdbool.h> void portexpander_init(void); uint8_t portexpander_get(void); void portexpander_set(uint8_t pin, uint8_t value); void portexpander_set_mask(uint8_t mask, uint8_t values); bool portexpander_detected(void); #endif