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VXM Driver Documentation - MATLAB 7 - PortCountChars
 
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All functions assume you followed directions in the "How To Add To Your Project"

PortCountChars

The "PortCountChars" function is used to count the number of characters awaiting to be read from the port.

Syntax:
      function P = PortCountChars

Parameters:
     
           

Returns:
      0 if no characters to be read
      number of characters to be read if successfull

Example:
      p = PortCountChars

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