Stm_common/stm32 Multi/multi_button.h

/*
 * Copyright (c) 2016 Zibin Zheng <[email protected]>
 * 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)	//³¤°´,ÖÜÆÚÐÔµ÷ÓÃ


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