#ifndef _JOYSTICK_H_
#define _JOYSTICK_H_

#include <Arduino.h>
#include <stdint.h>

#define PIN_BUTTON_LEFT      1 // Red
#define PIN_BUTTON_UP        2 // Green
#define PIN_BUTTON_DOWN      47 // Yellow
#define PIN_BUTTON_RIGHT     13 // Blue

#define PIN_DIFFICULTY             10

#define BUTTON_STABLETIME    100

// Button states
#define BUTTON_STATE_BOUNCING     (1 << 0)
#define BUTTON_STATE_DOWN         (1 << 1)
#define BUTTON_STATE_UP           (1 << 2)
#define BUTTON_STATE_HELD         (1 << 3)


typedef struct Button {
    // What pin is this button on
    uint8_t pin;
    // What is the state of this button (bitmask of BUTTON_STATE_*)
    uint8_t state;
    // Is this button pressed when it is LOW or HIGH?
    uint32_t pressedvalue;
    // How long do we wait when debouncing this button
    uint32_t debouncetime;
    // When did we start debouncing
    uint32_t debounce_start_time;
} Button;

int initButton(Button *button);
int readButton(Button *button);
uint32_t readDifficulty();

#endif // _JOYSTICK_H_