[ts-7000] comm ports

["davidalgeo" <>]

I have noticed a lot of activity about opening and using comm ports. 
I have uploaded the h file (gps.h) that I use to open a port on the
TS7260 board and read a gps.  With that h file reading a port is as
below.  This code is run as one of 3 threads that read or write to
comm ports.   Hope this helps someone.
David

fd = open_gpsport();    //opens the comm port for use
  if((debug==3) && (fp==NULL)) printf("Can not open GPS port\n");
   if (fp != NULL)
   {
      while (!(terminate))  // thread runs until the kill command is 
                            //given to kill all threads. 
      {
         ioctl(fd,FIONREAD,&bytes);   //indicates there is data to read
         if (bytes > 0)
         {    
            res = read(fd,buf,512);
            if(debug==3) printf("GPS Buffer= %s\n", buf);
      /// more code to parse the data /////

          }



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