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Tuesday, 23 August 2011

Serial Communication Between 2 Personal Computer On Borland Delphi 7 Using Comport Component : Received Serial Data

Data receiver application: the function of this application is as serial data receiver  from serial port  such as COM1. COM2, COM3, etc.

1. Enter the component as follows, The following is component that is used:

No Component Property Value
1 Form 1 Caption Read Data Serial
2 Groupbox1 Name Read Data Serial
3 Button1 Caption Clear
4 Button2 Caption Connect
5 Button3 Caption Set Serial
6 Button4 Caption Close
7 Label1 Caption Received  data
8 ComPort1 - -
9 Memo1 Lines -



Figure. Serial  Communication  Between 2 Personal Computer On Borland Delphi 7 Using Comport Component : Received Serial Data:Visualization of receive data serial application design


Declare a global variable named datain
Figure . declare global variable named datain

type source code as follows

No Component Event Source Code
1 Button1 OnClick memo1.Text:='';
2 Button2 OnClick ComPort1.Open;
3 Button3 OnClick ComPort1.ShowSetupDialog;
4 Button4 OnClick application.Terminate;
5 Form1 OnCloseQuery atau dapat juga

OnDestroy
comport1.Close;
6 comport1 OnRxChar ComPort1.ReadStr(datain,count);

memo1.Text:= memo1.Text + ' '+datain +' ';


The following is the result of Screen Shoot when application is used

Figure. Serial  Communication  Between 2 Personal Computer On Borland Delphi 7 Using Comport Component : Received Serial Data : Visualization of receive data serial application
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