expid.cpp

This is a GPS communication source code to interrupt the NMEA code though serial port. Very good

#include "nmea0183.h"
#pragma hdrstop

/*
** Author: Samuel R. Blackburn
** Internet: [e-mail]
**
** You can use it any way you like as long as you don't try to sell it.
**
** Copyright, 1996, Samuel R. Blackburn
**
** $Workfile: expid.cpp $
** $Revision: 4 $
** $Modtime: 10/10/98 2:59p $
*/

CString expand_talker_id( const CString &identifier )
{
   CString expanded_identifier;

   char first_character  = 0x00;
   char second_character = 0x00;

   first_character  = identifier[ 0 ];
   second_character = identifier[ 1 ];

   /*
   ** Set up our default return value
   */

   expanded_identifier = "Unknown - ";
   expanded_identifier += identifier;

   switch( first_character )
   {
      case 'A': // AG, AP

         switch( second_character )
         {
            case 'G': // AG

               expanded_identifier = "Autopilot - General";
               break;

            case 'P': // AP

               expanded_identifier = "Autopilot - Magnetic";
               break;
         }

         break;

      case 'C': // CD, CS, CT, CV, CX and CC,CM

         switch( second_character )
         {
            case 'C': // CC

               expanded_identifier = "Commputer - Programmed Calculator (outdated)";
               break;

            case 'D': // CD

               expanded_identifier = "Communications - Digital Selective Calling (DSC)";
               break;

            case 'M': // CM

               expanded_identifier = "Computer - Memory Data (outdated)";
               break;

            case 'S': // CS

               expanded_identifier = "Communications - Satellite";
               break;

            case 'T': // CT

               expanded_identifier = "Communications - Radio-Telephone (MF/HF)";
               break;

            case 'V': // CV

               expanded_identifier = "Communications - Radio-Telephone (VHF)";
               break;

            case 'X': // CX

               expanded_identifier = "Communications - Scanning Receiver";
               break;
         }

         break;

      case 'D': // DE, DF

         switch( second_character )
         {
            case 'E': // DE

               expanded_identifier = "DECCA Navigation";
               break;

            case 'F': // DF

               expanded_identifier = "Direction Finder";
               break;
         }

         break;

      case 'E': // EC, EP, ER

         switch( second_character )
         {
            case 'C': // EC

               expanded_identifier = "Electronic Chart Display & Information System (ECDIS)";
               break;

            case 'P': // EP

               expanded_identifier = "Emergency Position Indicating Beacon (EPIRB)";
               break;

            case 'R': // ER

               expanded_identifier = "Engine Room Monitoring Systems";
               break;
         }

         break;

      case 'G': // GP
 
         switch( second_character )
         {
            case 'P': // GP

               expanded_identifier = "Global Positioning System (GPS)";
               break;
         }

         break;

      case 'H': // HC, HE, HN
 
         switch( second_character )
         {
            case 'C': // HC

               expanded_identifier = "Heading - Magnetic Compass";
               break;

            case 'E': // HE

               expanded_identifier = "Heading - North Seeking Gyro";
               break;

            case 'N': // HN

               expanded_identifier = "Heading - Non North Seeking Gyro";
               break;
         }

         break;

      case 'I': // II, IN
 
         switch( second_character )
         {
            case 'I': // II

               expanded_identifier = "Integrated Instrumentation";
               break;

            case 'N': // IN

               expanded_identifier = "Integrated Navigation";
               break;
         }

         break;

      case 'L': // LA, LC
 
         switch( second_character )
         {
            case 'A': // LA

               expanded_identifier = "Loran A";
               break;

            case 'C': // LC

               expanded_identifier = "Loran C";
               break;
         }

         break;

      case 'M': // MP
 
         switch( second_character )
         {
            case 'P': // MP

               expanded_identifier = "Microwave Positioning System (outdated)";
               break;
         }

         break;

      case 'O': // OM, OS
 
         switch( second_character )
         {
            case 'M': // OM

               expanded_identifier = "OMEGA Navigation System";
               break;

            case 'S': // OS

               expanded_identifier = "Distress Alarm System (outdated)";
               break;
         }

         break;

      case 'P': // P
 
         break;

      case 'R': // RA
 
         switch( second_character )
         {
            case 'A': // RA

               expanded_identifier = "RADAR and/or ARPA";
               break;
         }

         break;

      case 'S': // SD, SN, SS
 
         switch( second_character )
         {
            case 'D': // SD

               expanded_identifier = "Sounder, Depth";
               break;

            case 'N': // SN

               expanded_identifier = "Electronic Positioning System, other/general";
               break;

            case 'S': // SS
            
               expanded_identifier = "Sounder, Scanning";
               break;
         }

         break;

      case 'T': // TI, TR
       
         switch( second_character )
         {
            case 'I': // TI

               expanded_identifier = "Turn Rate Indicator";
               break;

            case 'R': // TR

               expanded_identifier = "TRANSIT Navigation System";
               break;
         }

         break;

      case 'V': // VD, VM, VW
 
         switch( second_character )
         {
            case 'D': // VD

               expanded_identifier = "Velocity Sensor, Doppler, other/general";
               break;

            case 'M': // VM

               expanded_identifier = "Velocity Sensor, Speed Log, Water, Magnetic";
               break;

            case 'W': // VW

               expanded_identifier = "Velocity Sensor, Speed Log, Water, Mechanical";
               break;
         }

         break;


      case 'W': // WI
 
         switch( second_character )
         {
            case 'I': // WI

               expanded_identifier = "Weather Instruments";
               break;
         }

         break;

      case 'Y': // YC, YD, YF, YL, YP, YR, YT, YV, YX
 
         switch( second_character )
         {
            case 'C': // YC

               expanded_identifier = "Transducer - Temperature (outdated)";
               break;

            case 'D': // YD

               expanded_identifier = "Transducer - Displacement, Angular or Linear (outdated)";
               break;

            case 'F': // YF

               expanded_identifier = "Transducer - Frequency (outdated)";
               break;

            case 'L': // YL

               expanded_identifier = "Transducer - Level (outdated)";
               break;

            case 'P': // YP

               expanded_identifier = "Transducer - Pressure (outdated)";
               break;

            case 'R': // YR

               expanded_identifier = "Transducer - Flow Rate (outdated)";
               break;

            case 'T': // YT

               expanded_identifier = "Transducer - Tachometer (outdated)";
               break;

            case 'V': // YV

               expanded_identifier = "Transducer - Volume (outdated)";
               break;

            case 'X': // YX

               expanded_identifier = "Transducer";
               break;

         }

         break;

      case 'Z': // ZA, ZC, ZQ, ZV
 
         switch( second_character )
         {
            case 'A': // ZA

               expanded_identifier = "Timekeeper - Atomic Clock";
               break;

            case 'C': // ZC

               expanded_identifier = "Timekeeper - Chronometer";
               break;

            case 'Q': // ZQ
            
               expanded_identifier = "Timekeeper - Quartz";
               break;

            case 'V': // ZV
            
               expanded_identifier = "Timekeeper - Radio Update, WWV or WWVH";
               break;
         }

         break;
   }

   return( expanded_identifier );
}