Files
harbour-core/harbour/contrib/hbtpathy/tpwin.c
Viktor Szakats d77ce50be6 2009-02-04 00:49 UTC+0100 Viktor Szakats (harbour.01 syenar hu)
* doc/dirstruc.txt
  - contrib/hbtpathy/tpwin32.c
  + contrib/hbtpathy/tpwin.c
  * contrib/hbtpathy/common.mak
  * contrib/hbtpathy/Makefile
    * Cleaned some 'win32'/'w32' to 'win'.
2009-02-03 23:50:48 +00:00

124 lines
4.0 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* Telepathy emulation library
* C low level module for Windows serial communication
*
* Copyright 2004 - Maurilio Longo <maurilio.longo@libero.it>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#define HB_OS_WIN_32_USED
#include "hbapi.h"
#include "hbapiitm.h"
#include "hbapifs.h"
#ifdef HB_OS_WIN_32
#include <stdio.h>
HB_FUNC( P_INITPORTSPEED )
{
DCB dcb;
char values[ 20 ];
LPTSTR lpValues;
FillMemory( &dcb, sizeof( dcb ), 0 );
dcb.DCBlength = sizeof( dcb );
hb_snprintf( values, sizeof( values ), "%lu,%1s,%1lu,%1lu", hb_parnl( 2 ), hb_parcx( 4 ), hb_parnl( 3 ), hb_parnl( 5 ) );
lpValues = HB_TCHAR_CONVTO( values );
if( BuildCommDCB( lpValues, &dcb ) )
{
if( SetCommState( ( HANDLE ) hb_parnl( 1 ), &dcb ) )
{
COMMTIMEOUTS timeouts;
/* read/write operations return immediatly */
timeouts.ReadIntervalTimeout = MAXDWORD;
timeouts.ReadTotalTimeoutMultiplier = 0;
timeouts.ReadTotalTimeoutConstant = 0;
timeouts.WriteTotalTimeoutMultiplier = 0;
timeouts.WriteTotalTimeoutConstant = 0;
hb_retnl( SetCommTimeouts( ( HANDLE ) hb_parnl( 1 ), &timeouts ) ? 0 : -1 );
}
else
hb_retnl( -1 );
}
else
hb_retnl( -1 );
HB_TCHAR_FREE( lpValues );
}
HB_FUNC( P_READPORT )
{
char Buffer[ 512 ];
DWORD nRead = 0;
OVERLAPPED Overlapped;
BOOL bRet;
memset( &Overlapped, 0, sizeof( OVERLAPPED ) );
bRet = ReadFile( ( HANDLE ) hb_parnl( 1 ), Buffer, sizeof( Buffer ), &nRead, &Overlapped );
hb_retclen( bRet ? Buffer : NULL, nRead );
}
HB_FUNC( P_WRITEPORT )
{
DWORD nWritten = 0;
OVERLAPPED Overlapped;
BOOL bRet;
memset( &Overlapped, 0, sizeof( OVERLAPPED ) );
bRet = WriteFile( ( HANDLE ) hb_parnl( 1 ), hb_parcx( 2 ), hb_parclen( 2 ), &nWritten, &Overlapped );
hb_retnl( bRet ? ( long ) nWritten : -1 ); /* Put GetLastError() on error, or better a second byref param? */
}
#endif /* HB_OS_WIN_32 */