74 lines
2.4 KiB
C
74 lines
2.4 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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* https://github.com/0x1abin/MultiButton
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*/
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#pragma once
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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 7 (0 ~ 7)
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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 struct Button button_hdl_t;
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typedef enum // 触发事件源
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{
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NONE_PRESS = 0,
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PRESS_DOWN, // 按键按下，每次按下都触发
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PRESS_UP, // 按键弹起，每次松开都触发
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PRESS_REPEAT, // 重复按下触发，变量repeat计数连击次数
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SINGLE_CLICK, // 单击按键事件
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DOUBLE_CLICK, // 双击按键事件
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LONG_PRESS_START, // 达到长按时间阈值时触发一次
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LONG_PRESS_HOLD, // 长按期间一直触发
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} press_event_t;
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/* EVENT_MASK */
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#define EVENT_PRESS_DOWN (1U << PRESS_DOWN) // 按键按下，每次按下都触发
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#define EVENT_PRESS_UP (1U << PRESS_UP) // 按键弹起，每次松开都触发
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#define EVENT_PRESS_REPEAT (1U << PRESS_REPEAT) // 重复按下触发，变量repeat计数连击次数
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#define EVENT_SINGLE_CLICK (1U << SINGLE_CLICK) // 单击按键事件
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#define EVENT_DOUBLE_CLICK (1U << DOUBLE_CLICK) // 双击按键事件
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#define EVENT_LONG_PRESS_START (1U << LONG_PRESS_START) // 达到长按时间阈值时触发一次
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#define EVENT_LONG_PRESS_HOLD (1U << LONG_PRESS_HOLD) // 长按期间一直触发
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typedef void (*button_callback_fn)(button_hdl_t *handle, press_event_t event);
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struct Button
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{
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struct Button *next;
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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 event_cb;
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uint8_t (*hal_button_Level)(uint8_t button_id);
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button_callback_fn cb;
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};
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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void button_init(button_hdl_t *handle, uint8_t (*pin_level)(uint8_t button_id), uint8_t active_level, uint8_t button_id);
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void button_attach(button_hdl_t *handle, uint8_t event_mask, button_callback_fn cb);
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press_event_t get_button_event(button_hdl_t *handle);
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int button_start(button_hdl_t *handle);
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void button_stop(button_hdl_t *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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