#ifndef DIGITAL_IN_H
#define DIGITAL_IN_H

#include <stdint.h>
#include <zephyr/drivers/gpio.h>

class Digital_in {
public:
    enum : uint8_t {
        ENCODER_C1 = 0,
        ENCODER_C2 = 1
    };

    explicit Digital_in(uint8_t pin_id);

    void init();
    bool is_hi();
    bool is_lo();

    // Calls handler on every rising edge of the pin. The caller owns the
    // gpio_callback struct so it can find its own object with CONTAINER_OF.
    // Returns 0 on success, or a negative Zephyr error code.
    int enable_rising_edge_interrupt(
        struct gpio_callback *callback,
        gpio_callback_handler_t handler);

private:
    const struct gpio_dt_spec *gpio;
};

#endif