/*
 * Copyright (c) 2016 Zibin Zheng <znbin@qq.com>
 * All rights reserved
 */

#ifndef _MULTI_BUTTON_H_
#define _MULTI_BUTTON_H_

//#include "stdint.h"
#include "TypeDef.h"
#include "string.h"

//According to your need to modify the constants.
#define TICKS_INTERVAL    6	//ms
#define DEBOUNCE_TICKS    3	//MAX 8
#define SHORT_TICKS       (120 /TICKS_INTERVAL)
#define LONG_TICKS        (2000 /TICKS_INTERVAL)
#define LONG_TICKS_TRIG   (120 /TICKS_INTERVAL)	//长按,周期性调用


typedef void ( *BtnCallback ) ( void* );

typedef enum
{
    PRESS_DOWN = 0,
    PRESS_UP,
    PRESS_REPEAT,
    SINGLE_CLICK,
    DOUBLE_CLICK,
    LONG_RRESS_START,
    LONG_PRESS_HOLD,
    number_of_event,
    NONE_PRESS
} PressEvent;

typedef struct Button
{
    uint16_t ticks;
    uint8_t  repeat : 4;
    uint8_t  event : 4;
    uint8_t  state : 3;
    uint8_t  debounce_cnt : 3;
    uint8_t  active_level : 1;
    uint8_t  button_level : 1;
    uint8_t ( *hal_button_Level ) ( void );
    BtnCallback  cb[number_of_event];
    struct Button* next;
} Button;

#ifdef __cplusplus
extern "C" {
#endif

    void button_init_Head ( void );
    void button_init ( struct Button* handle, uint8_t ( *pin_level ) (), uint8_t active_level );
    void button_attach ( struct Button* handle, PressEvent event, BtnCallback cb );
    PressEvent get_button_event ( struct Button* handle );
    int  button_start ( struct Button* handle );
    void button_stop ( struct Button* handle );
    void button_ticks ( void );

#ifdef __cplusplus
}
#endif

#endif