66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
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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 6 //MAX 8
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#define SHORT_TICKS (400 /TICKS_INTERVAL)
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#define LONG_TICKS (1000 /TICKS_INTERVAL)
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typedef void (*btn_callback)(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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} PRESS_EVT;
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typedef enum {
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LOW_LEVEL_TRIGGER = 0,
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HIGH_LEVEL_TRIGGER,
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ACTIVE_LEVEL_INVALID,
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} ACTIVE_LEVELS_EVT;
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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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void *user_data;
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uint8_t (*hal_button_Level)(struct _button_ *);
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btn_callback cb[number_of_event];
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struct _button_ *next;
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} BUTTON_S;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void button_init(BUTTON_S *handle, uint8_t(*pin_level)(struct _button_ *), uint8_t active_level, void *user_data);
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void button_attach(BUTTON_S *handle, PRESS_EVT event, btn_callback cb);
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PRESS_EVT button_get_event(BUTTON_S *handle);
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int button_start(BUTTON_S *handle);
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void button_stop(BUTTON_S *handle);
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void button_ticks(void *param1, void *param2);
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BUTTON_S *button_find_with_user_data(void *user_data);
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#ifdef __cplusplus
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}
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#endif
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#endif
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