106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
/**
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******************************************************************************
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* @file ButtonEvent.h
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* @author FASTSHIFT
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* @version V1.3.0
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* @date 2018-12-23
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* @brief 非阻塞式按键事件驱动库，支持短摁、长摁、释放、状态改变事件的识别。
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* @Upgrade 2019.6.18 添加按键双击事件、长按单次触发事件。
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* @Upgrade 2019.8.26 添加GetClicked、GetPressed、GetLongPressed非事件模式支持。
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* @Upgrade 2019.12.4 使用了新的事件回调设计，所有事件统一用EventAttach。
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添加Click、LongPressed、LongPressRepeat事件。
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* @Upgrade 2020.6.12 合并ButtonEvent_Type至ButtonEvent类
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******************************************************************************
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* @attention
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* 需要提供一个精确到毫秒级的系统时钟，用户需要在ButtonEvent.cpp里定义ButtonEvent_Millis
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __BUTTONEVENT_H
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#define __BUTTONEVENT_H
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#include "stdint.h"
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class ButtonEvent
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{
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typedef void(*ButtonEvent_FuncCallBack_t)(ButtonEvent*, int);
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public:
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ButtonEvent(
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bool NoPressState = 0,
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uint16_t LongPressTimeMs_Set = 500,
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uint16_t LongPressTimeRepeatMs_Set = 200
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);
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enum Event_Type
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{
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EVENT_ButtonNone,
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EVENT_ButtonPress,
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EVENT_ButtonLongPressed,
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EVENT_ButtonLongPressRepeat,
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EVENT_ButtonRelease,
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EVENT_ButtonChange,
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EVENT_ButtonClick,
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EVENT_ButtonDoubleClick,
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};
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bool IsPressed;
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bool IsClicked;
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bool IsLongPressed;
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void EventAttach(ButtonEvent_FuncCallBack_t function);
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void EventMonitor(bool NowState);
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inline uint8_t GetClickCnt()
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{
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uint8_t cnt = Click_Cnt + 1;
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Click_Cnt = 0;
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return cnt;
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}
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inline bool GetClicked()
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{
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bool n = IsClicked;
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IsClicked = false;
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return n;
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}
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inline bool GetPressed()
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{
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bool n = IsPressed;
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IsPressed = false;
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return n;
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}
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inline bool GetLongPressed()
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{
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bool n = IsLongPressed;
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IsLongPressed = false;
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return n;
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}
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operator uint8_t()
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{
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return Button_NowState;
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};
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private:
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enum ButtonState
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{
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NoPress,
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Press,
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LongPress
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};
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bool Button_NoPressState;
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uint8_t Button_NowState;
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uint16_t LongPressTimeMs;
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uint16_t LongPressTimeRepeatMs;
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uint32_t LastLongPress_TimePoint;
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uint32_t LastPress_TimePoint;
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uint32_t LastClick_TimePoint;
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uint8_t Click_Cnt;
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bool IS_Pressed;
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bool IS_LongPressed;
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ButtonEvent_FuncCallBack_t CallbackFunc;
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};
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#endif
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