Topspeed_JPI/TS-V3/SRC/MONITOR.MOD

(* Release 3.10 *)
(*-------------------------------------------------------------------------*
*                                                                          *
*  MONITOR.MOD - COMMS Toolkit RS232 line monitors                         *
*                                                                          *
*  COPYRIGHT (C) 1990..1992 Clarion Software Corporation.                  *
*  All Rights Reserved                                                     *
*                                                                          *
*--------------------------------------------------------------------------*)

IMPLEMENTATION MODULE Monitor;
  IMPORT FIO,RS232,FTSupport;

  CONST
    TestFileName        = 'E:\TEST.232';

  VAR
    TestFile            : FIO.File;
    RxChain             : RS232.RxHookProc;
    TxChain             : RS232.TxHookProc;

  PROCEDURE RxProc(VAR ch:CHAR);
    BEGIN
      FIO.WrChar(TestFile,ch);
      FIO.WrChar(TestFile,'');
      IF RxChain # NULLPROC THEN
        RxChain(ch);
      END; (*IF*)
    END RxProc;

(*# save,call(o_a_copy=>off),check(index=>off)*)
  PROCEDURE TxProc(VAR Stg:ARRAY OF CHAR;VAR Len:CARDINAL);
    VAR
      i                 : CARDINAL;
    BEGIN
      FOR i := 0 TO Len - 1 DO
        FIO.WrChar(TestFile,Stg[i]);
        FIO.WrChar(TestFile,'');
      END; (*FOR*)
      IF TxChain # NULLPROC THEN
        TxChain(Stg,Len);
      END; (*IF*)
    END TxProc;
(*# restore *)

  BEGIN (*Monitor*)
    TestFile := FIO.Create(TestFileName);
    RS232.AddRxHook(RxProc,RxChain);
    RS232.AddTxHook(TxProc,TxChain);
    FTSupport.HookOnFT := TRUE;
  END Monitor.