47 lines
1.0 KiB
C++
47 lines
1.0 KiB
C++
#ifndef __BUTTON_H__
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#define __BUTTON_H__
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#include "Kernel\Sys.h"
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#include "Device\Port.h"
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#include "Message\DataStore.h"
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class ACZero;
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// 面板按钮
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class Button : public ByteDataPort
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{
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public:
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cstring Name; // 按钮名称
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int Index; // 索引号，方便在众多按钮中标识按钮
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InputPort Key; // 输入按键
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OutputPort Led; // 指示灯
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OutputPort Relay; // 继电器
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Delegate<Button&> Press; // 按下事件
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ACZero* Zero; // 交流电过零检测
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// 构造函数。指示灯和继电器一般开漏输出，需要倒置
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Button();
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virtual ~Button();
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void Set(Pin key, Pin led = P0, bool ledInvert = true, Pin relay = P0, bool relayInvert = true);
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void Set(Pin key, Pin led, Pin relay);
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bool GetValue();
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virtual void SetValue(bool value);
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virtual int OnWrite(byte data);
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virtual byte OnRead();
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String ToString() const;
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protected:
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bool _Value; // 状态
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virtual void OnPress(InputPort& port, bool down);
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static void OnKeyPress(Button& btn, InputPort& port, bool down);
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};
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#endif
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