Initial commit - Delphi MES client project
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unit uAlarmLed;
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interface
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uses uSafeLog,uErrorInfo,SPComm,System.SysUtils,System.Classes;
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type
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//串口通讯速率为 9600bps,数据位 8,校验位 无,停止位 1,16 进制
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//控制灯信号开启 控制灯信号闪烁 控制灯信号关闭
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//11:红灯亮 41:红灯闪烁 21:红灯关闭
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//12:黄灯亮 42:黄灯闪烁 22:黄灯关闭
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//14:绿灯亮 44:绿灯闪烁 24:绿灯关闭
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//18:蜂鸣器响 48:蜂鸣器间断响 28:蜂鸣器关闭
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TAlarmLed=class
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private
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Comm:TComm;
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FCommName:STRING;
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function IsError(var sError:string):boolean;
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public
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constructor Create; virtual;
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destructor Destroy; override;
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procedure Close();
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function Open(CommName:string;var sError:string):boolean;
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function YellowLed(var sError:string):boolean; //黄灯
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function RedLed(var sError:string):boolean; //红灯
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function GreenLed(var sError:string):boolean; //绿灯
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function CloseRedAndBuzzer(var sError:string):boolean; //红灯 蜂鸣器响
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function RedAndBuzzer(var sError:string):boolean; //红灯 蜂鸣器响
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function SparkGreen(var sError:string):boolean; //闪绿 蜂鸣器
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function CloseAllLed(var sError:string):boolean; //全关
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function OpenBuzzer(var sError:string):boolean; //蜂鸣器响
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function CloseBuzzer(var sError:string):boolean; //蜂鸣器关闭
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end;
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var
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AlarmLed:TAlarmLed;
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implementation
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constructor TAlarmLed.Create; //参数固定
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begin
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inherited;
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WorkLog.Debug('创建报警灯');
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Comm:=TComm.Create(nil);
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comm.BaudRate:=9600;
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comm.StopBits:=_1;
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comm.ByteSize:=_8;
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//comm.Parity:=None;
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end;
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destructor TAlarmLed.Destroy;
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begin
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WorkLog.Debug('销毁报警灯');
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Comm.Free;
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inherited Destroy;
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end;
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function TAlarmLed.IsError(var sError:string):boolean;
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begin
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TRY
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If Comm.Handle=0 then
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begin
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WorkLog.Debug('重新打开报警灯通讯');
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Comm.StopComm;
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Comm.StartComm; //打开端口要延时一段时间才能往缓存发送数据
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Sleep(200);
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end;
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Result:=true;
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EXCEPT
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on e:Exception do
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begin
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Result:=false;
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WorkLog.Error('报警灯出错:'+ChangeErrorInfo(E.Message));
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sError:=ChangeErrorInfo('报警灯出错:'+ChangeErrorInfo(E.Message));
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end;
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END;
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end;
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function TAlarmLed.YellowLed(var sError:string):boolean; //黄灯
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begin
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Result:=IsError(sError);
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WorkLog.Debug('报警灯:黄灯');
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Comm.SendHex('122124');
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end;
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function TAlarmLed.RedLed(var sError:string):boolean; //红灯
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begin
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Result:=IsError(sError);
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WorkLog.Debug('报警灯:红灯');
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Comm.SendHex('112224');
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end;
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function TAlarmLed.GreenLed(var sError:string):boolean; //绿灯
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begin
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Result:=IsError(sError);
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WorkLog.Debug('报警灯:绿灯');
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Comm.SendHex('142122');
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end;
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function TAlarmLed.RedAndBuzzer(var sError:string):boolean; //红灯 蜂鸣器响
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begin
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Result:=IsError(sError);
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WorkLog.Debug('报警灯:红灯 蜂鸣器响');
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Comm.SendHex('22241148');
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end;
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function TAlarmLed.CloseRedAndBuzzer(var sError:string):boolean; //红灯 蜂鸣器响
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begin
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Result:=IsError(sError);
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WorkLog.Debug('报警灯:关闭红灯和蜂鸣器');
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Comm.SendHex('12212428');
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end;
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function TAlarmLed.SparkGreen(var sError:string):boolean; //闪绿 蜂鸣器
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begin
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Result:=IsError(sError); //设备没有响一下,亮一下的功能,只能在线程中延时关闭
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WorkLog.Debug('报警灯:闪绿 蜂鸣器');
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Comm.SendHex('4448');
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TThread.CreateAnonymousThread(
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procedure
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begin
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Sleep(1000);
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Comm.SendHex('2428');
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end
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).Start;
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end;
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function TAlarmLed.CloseAllLed(var sError:string):boolean; //全关
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begin
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Result:=IsError(sError);
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WorkLog.Debug('报警灯:全关');
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Comm.SendHex('21222428');
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end;
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function TAlarmLed.OpenBuzzer(var sError:string):boolean; //蜂鸣器响
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begin
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Result:=IsError(sError);
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WorkLog.Debug('报警灯:蜂鸣器响');
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Comm.SendHex('18');
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end;
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function TAlarmLed.CloseBuzzer(var sError:string):boolean; //蜂鸣器关闭
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begin
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Result:=IsError(sError);
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WorkLog.Debug('报警灯:蜂鸣器关闭');
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Comm.SendHex('28');
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end;
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procedure TAlarmLed.Close();
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begin
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WorkLog.Debug('关闭报警灯');
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comm.StopComm;
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end;
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function TAlarmLed.Open(CommName:string;var sError:string):boolean;
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begin
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TRY
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WorkLog.Debug('打开报警灯:'+CommName);
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Comm.StopComm;
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comm.CommName:=CommName;
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comm.StartComm;
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Result:=true;
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EXCEPT
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on e:Exception do
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begin
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Result:=false;
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WorkLog.Error('报警灯出错:'+ChangeErrorInfo(E.Message));
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sError:=ChangeErrorInfo('报警灯出错:'+ChangeErrorInfo(E.Message));
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end;
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END;
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end;
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end.
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