97 lines
1.6 KiB
C++
97 lines
1.6 KiB
C++
#include "Button.h"
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void Button::Init()
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{
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Key = NULL;
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Led = NULL;
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Relay = NULL;
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Name = NULL;
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Index = 0;
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_Value = false;
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_Handler = NULL;
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_Param = NULL;
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}
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Button::Button(Pin key, Pin led, Pin relay)
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{
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Init();
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assert_param(key != P0);
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Key = new InputPort(key);
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Key->Register(OnPress, this);
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if(led != P0) Led = new OutputPort(led);
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if(relay != P0) Relay = new OutputPort(relay);
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}
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Button::Button(Pin key, Pin led, bool ledInvert, Pin relay, bool relayInvert)
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{
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Init();
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assert_param(key != P0);
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Key = new InputPort(key);
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Key->Register(OnPress, this);
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if(led != P0) Led = new OutputPort(led, ledInvert);
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if(relay != P0) Relay = new OutputPort(relay, relayInvert);
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//SetValue(false);
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}
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Button::~Button()
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{
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if(Key) delete Key;
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Key = NULL;
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if(Led) delete Led;
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Led = NULL;
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if(Relay) delete Relay;
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Relay = NULL;
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}
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void Button::OnPress(Pin pin, bool down, void* param)
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{
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Button* btn = (Button*)param;
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if(btn) btn->OnPress(pin, down);
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}
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void Button::OnPress(Pin pin, bool down)
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{
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// 每次按下弹起，都取反状态
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if(!down)
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{
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SetValue(!_Value);
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if(_Handler) _Handler(this, _Param);
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}
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}
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void Button::Register(EventHandler handler, void* param)
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{
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if(handler)
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{
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_Handler = handler;
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_Param = param;
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}
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else
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{
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_Handler = NULL;
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_Param = NULL;
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}
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}
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bool Button::GetValue() { return _Value; }
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void Button::SetValue(bool value)
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{
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if(Led) *Led = value;
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#ifdef Door_lock
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if(Relay) *Relay = !value;
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#else
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if(Relay) *Relay = value;
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#endif
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_Value = value;
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}
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