70 lines
1.4 KiB
ObjectPascal
70 lines
1.4 KiB
ObjectPascal
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unit U_DataModule_COM;
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interface
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uses
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SysUtils, Classes, SPComm, ExtCtrls,strUtils,shlobj,Windows;
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var
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sReceiveData:string;
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mhandle:hwnd;
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fhNum1:double;
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fhnum2:double;
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type
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TDataModule_COM = class(TDataModule)
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Comm1: TComm;
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Timer1: TTimer;
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procedure DataModuleDestroy(Sender: TObject);
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procedure Comm1ReceiveData(Sender: TObject; Buffer: Pointer;
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BufferLength: Word);
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private
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{ Private declarations }
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public
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{ Public declarations }
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end;
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CONST
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IsRecHex=1;
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var
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DataModule_COM: TDataModule_COM;
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implementation
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uses U_HexFunction;
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{$R *.dfm}
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procedure TDataModule_COM.DataModuleDestroy(Sender: TObject);
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begin
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DataModule_COM:=nil;
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end;
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procedure TDataModule_COM.Comm1ReceiveData(Sender: TObject;
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Buffer: Pointer; BufferLength: Word);
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var
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str :string;
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str1,str2:string;
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i1,i2:integer;
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num1,num2:integer;
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fRate,aaa:double;
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begin
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try
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SetLength(Str,BufferLength);
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move(buffer^,pchar(@Str[1])^,bufferlength);
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IF IsRecHex=1 THEN
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sReceiveData:=trim(StrToHexStr(Str))
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else
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sReceiveData:=trim(Str);
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IF length(trim(sReceiveData))>=14 then
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begin
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str1:=Copy(sReceiveData,1,12);
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fhNum1:=strtofloat(HexStrToStr(str1));
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num1:=strtoint(floattostr(fhNum1*100000));
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str1:=Copy(sReceiveData,15,2);
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IF str1='4D' then num2:=0 else num2:=1;
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postmessage(mhandle,1301,num1,num2);
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end;
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except
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end;
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end;
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end.
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