talkerid.cpp

GPS的协议为NMEA0183

#include "nmea0183.h"
#pragma hdrstop

/*
** Author: Samuel R. Blackburn
** CI$: 76300,326
** Internet: [e-mail]
**
** You can use it any way you like.
*/

const CString& talker_id( const CString &sentence )
{
   static CString return_string;

   return_string.Empty();

   if ( sentence.GetLength() >= 3 )
   {
      if ( sentence[ 0 ] == '$' )
      {
         return_string = sentence.Mid( 1, 2 );
      }
   }

   return( return_string );
}