#ifndef BUTTON_H
#define BUTTON_H

#include <stdbool.h>
#include <stdint.h>

typedef enum {
    BTN_NONE,
    BTN_SHORT_PRESS,    // < 500ms
    BTN_LONG_PRESS      // >= 500ms
} button_event_t;

// Initialize button GPIO
void button_init(void);

// Poll button state (call in main loop)
// Returns event type when button is released
button_event_t button_poll(void);

// Check if button is currently pressed
bool button_is_pressed(void);

#endif // BUTTON_H