#pragma once
#include <stdbool.h>

typedef enum {
    INPUT_NONE = 0,
    INPUT_CW,          // knob turned clockwise: next camera
    INPUT_CCW,         // counter-clockwise: previous camera
    INPUT_CLICK,       // pause / resume
    INPUT_DOUBLE,      // toggle overlay
    INPUT_LONG,        // long press: reserved (currently toggles overlay too)
    INPUT_KEY,         // extra key on the CC1101 board
} input_event_t;

void input_init(void);
// Non-blocking; returns INPUT_NONE when nothing is queued.
input_event_t input_poll(void);
// Blocks up to timeout_ms.
input_event_t input_wait(int timeout_ms);