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Multithreaded Serial Port App

I am trying to write a multi-threaded  and even based serial communciation application.
It will read data from txt file and write to the serial port.The other port will read this data and display it.
Does anyone have any idea how to do it?
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Prash2002
Asked:
Prash2002
3 Solutions
 
Roshan DavisCommented:
just look at site http://www.codeproject.com , You can find so many socket program samples there....

Good Luck
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joakimfCommented:
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mblatCommented:
Good class for serial comm. is here

http://www.naughter.com/serialport.html

Hope it helps..
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MazenCommented:
Hi,
   you can use the Microsoft communications control for sending and receiving data from the serial port.
Your application has to be dialog based.
Go to : project->add to project-> components and controls
open the registered activex controls and select Microsoft communications control to insert it.
A new icon will appears in the controls menu. Add it to your application. Now from class wizard add a control to it(m_comm). To select and open the port write the following code:

m_comm.SetCommPort(1); // or any port
m_comm.SetSettings("4800,n,8,1");  // you can select the baud rate from here
m_comm.SetPortOpen(TRUE);

to send data write the following code:

m_comm.SetOutput(COleVariant(string)); // the output data is in this string

to receive data :
 COleVariant myvar;
myvar = m_comm.GetInput();
CString str(myvar.bstrval);

m_myedit+=str;  // put data in editbox
UpdateData(FASLE);

If you want the data  to appear every time the buffer is full , double click on the icon the you put in you dialog and select ok and place the above code in this method.
Or you can set a timer to get the data in buffer with the above code which i prefer more.

Regards,
Mazen
 
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