button.h

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/* Copyright 2018 Wirepas Ltd. All Rights Reserved.
 *
 * See file LICENSE.txt for full license details.
 *
 */
 
#ifndef BUTTON_H_
#define BUTTON_H_
 
#include <stdint.h>
#include <stdbool.h>
 
typedef enum {
    BUTTON_PRESSED,
    BUTTON_RELEASED
} button_event_e;
 
typedef enum
{
    BUTTON_RES_OK = 0,
    BUTTON_RES_INVALID_ID = 1,
    BUTTON_RES_INVALID_PARAM = 2,
    BUTTON_RES_UNINITIALIZED = 3
} button_res_e;
 
typedef void (*on_button_event_cb)(uint8_t button_id,
                                   button_event_e event);
 
void Button_init(void);
 
button_res_e Button_register_for_event(uint8_t button_id,
                                       button_event_e event,
                                       on_button_event_cb cb);
 
button_res_e Button_getState(uint8_t button_id,
                             bool * state_p);
 
uint8_t Button_get_number(void);
 
#endif /* BUTTON_H_ */