63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
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/*
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* Copyright (c) 2016 Zibin Zheng <znbin@qq.com>
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* All rights reserved
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*/
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#ifndef _MULTI_BUTTON_H_
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#define _MULTI_BUTTON_H_
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#include "stdint.h"
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#include "string.h"
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//According to your need to modify the constants.
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#define TICKS_INTERVAL 5 //ms
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#define DEBOUNCE_TICKS 3 //MAX 8
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#define SHORT_TICKS (300 /TICKS_INTERVAL)
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#define LONG_TICKS (1000 /TICKS_INTERVAL)
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typedef void (*BtnCallback)(void*);
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typedef enum {
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PRESS_DOWN = 0,
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PRESS_UP,
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PRESS_REPEAT,
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SINGLE_CLICK,
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DOUBLE_CLICK,
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LONG_PRESS_START,
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LONG_PRESS_HOLD,
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number_of_event,
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NONE_PRESS
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}PressEvent;
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typedef struct Button {
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uint16_t ticks;
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uint8_t repeat : 4;
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uint8_t event : 4;
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uint8_t state : 3;
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uint8_t debounce_cnt : 3;
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uint8_t active_level : 1;
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uint8_t button_level : 1;
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uint8_t button_id;
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uint8_t (*hal_button_Level)(uint8_t button_id_);
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BtnCallback cb[number_of_event];
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struct Button* next;
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}Button;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void button_init(struct Button* handle, uint8_t(*pin_level)(uint8_t), uint8_t active_level, uint8_t button_id);
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void button_attach(struct Button* handle, PressEvent event, BtnCallback cb);
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PressEvent get_button_event(struct Button* handle);
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int button_start(struct Button* handle);
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void button_stop(struct Button* handle);
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void button_ticks(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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