9f16c2bf8e
* *
* update copyright headers with new FSF postal address
* COPYING.txt -> LICENSE.txt (rest of repo to be synced)
241 lines
9.4 KiB
Plaintext
241 lines
9.4 KiB
Plaintext
/*
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* Windows communications library
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*
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* Copyright 2005-2009 Alex Strickland <sscc@mweb.co.za>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file LICENSE.txt. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status o such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#require "hbwin"
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PROCEDURE Main( cPortName )
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LOCAL oWinPort
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LOCAL cString := Space( 32 )
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LOCAL lCTS, lDSR, lRing, lDCD
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LOCAL lCTSHold, lDSRHold, lDCDHold, lXoffHold, lXoffSent, nInQueue, nOutQueue
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LOCAL nResult
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IF Empty( cPortName )
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? "Usage : winport portname"
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RETURN
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ENDIF
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? "Attach a scanner now ..."
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?
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Inkey( 0 )
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oWinPort := win_com():Init( cPortName, WIN_CBR_9600, WIN_ODDPARITY, 7, WIN_ONESTOPBIT )
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IF ! oWinPort:Open()
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? "Open() failed"
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ELSE
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? "Open() succeeded"
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?
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IF oWinPort:Status( @lCTS, @lDSR, @lRing, @lDCD )
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? "Status() succeeded : CTS ", lCTS, ", DSR ", lDSR, ", Ring ", lRing, ", DCD ", lDCD
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ELSE
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? "Status() failed :", oWinPort:ErrorText()
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ENDIF
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?
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? "Testing DTR, configure a scanner to require DTR"
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? "Scan something... and press enter (shouldn't scan)"
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Inkey( 0 )
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? "Read() ", oWinPort:Read( @cString, 32 ), Len( cString ), cString
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?
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IF oWinPort:SetDTR( .T. )
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? "SetDTR( .T. ) succeeded"
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ELSE
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? "SetDTR( .T. ) failed :", oWinPort:ErrorText()
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ENDIF
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? "Scan something... and press enter (read should work)"
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Inkey( 0 )
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?
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IF oWinPort:QueueStatus( @lCTSHold, @lDSRHold, @lDCDHold, @lXoffHold, @lXoffSent, @nInQueue, @nOutQueue )
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? "QueueStatus() : CTSHold", lCtsHold, ", DSRHold", lDsrHold, ", DCDHold", lDCDHold, ", XoffHold", lXoffHold, ;
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", Xoff Sent ", lXoffSent, ", InQueue ", nInQueue, ", nOutQueue ", nOutQueue
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ELSE
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? "QueueStatus() failed :", oWinPort:ErrorText()
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ENDIF
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?
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? "Read() ", oWinPort:Read( @cString, 32 ), Len( cString ), cString
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?
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IF oWinPort:QueueStatus( @lCTSHold, @lDSRHold, @lDCDHold, @lXoffHold, @lXoffSent, @nInQueue, @nOutQueue )
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? "QueueStatus() : CTSHold", lCtsHold, ", DSRHold", lDsrHold, ", DCDHold", lDCDHold, ", XoffHold", lXoffHold, ;
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", Xoff Sent ", lXoffSent, ", InQueue ", nInQueue, ", nOutQueue ", nOutQueue
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ELSE
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? "QueueStatus() failed :", oWinPort:ErrorText()
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ENDIF
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?
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IF oWinPort:RTSFlow( WIN_RTS_CONTROL_HANDSHAKE )
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? "RTSFlow( WIN_RTS_CONTROL_HANDSHAKE ) succeeded"
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ELSE
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? "RTSFlow( WIN_RTS_CONTROL_HANDSHAKE ) failed :", oWinPort:ErrorText()
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ENDIF
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? oWinPort:DebugDCB( HB_WIN_COM_DBGFLOW )
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IF oWinPort:SetRTS( .F. )
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? "SetRTS( .F. ) succeeded (it shouldn't according to docs!)"
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ELSE
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? "SetRTS( .F. ) failed (it should) :", oWinPort:ErrorText()
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ENDIF
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?
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IF oWinPort:RTSFlow( WIN_RTS_CONTROL_DISABLE )
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? "RTSFlow( WIN_RTS_CONTROL_DISABLE ) succeeded"
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ELSE
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? "RTSFlow( WIN_RTS_CONTROL_DISABLE ) failed :", oWinPort:ErrorText()
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ENDIF
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? oWinPort:DebugDCB( HB_WIN_COM_DBGFLOW )
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IF oWinPort:SetRTS( .F. )
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? "SetRTS( .F. ) succeeded (it should)"
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ELSE
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? "SetRTS( .F. ) failed :", oWinPort:ErrorText()
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ENDIF
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?
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? "Scan something... we'll not read it but purge it, press enter"
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Inkey( 0 )
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IF oWinPort:QueueStatus( @lCTSHold, @lDSRHold, @lDCDHold, @lXoffHold, @lXoffSent, @nInQueue, @nOutQueue )
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? "QueueStatus() : CTSHold", lCtsHold, ", DSRHold", lDsrHold, ", DCDHold", lDCDHold, ", XoffHold", lXoffHold, ;
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", Xoff Sent ", lXoffSent, ", InQueue ", nInQueue, ", nOutQueue ", nOutQueue
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ELSE
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? "QueueStatus() failed :", oWinPort:ErrorText()
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ENDIF
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IF oWinPort:Purge( .T., .T. )
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? "Purge() succeeded"
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ELSE
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? "Purge() failed :", oWinPort:ErrorText()
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ENDIF
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? "InQueue should be zero"
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IF oWinPort:QueueStatus( @lCTSHold, @lDSRHold, @lDCDHold, @lXoffHold, @lXoffSent, @nInQueue, @nOutQueue )
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? "QueueStatus() : CTSHold", lCtsHold, ", DSRHold", lDsrHold, ", DCDHold", lDCDHold, ", XoffHold", lXoffHold, ;
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", Xoff Sent ", lXoffSent, ", InQueue ", nInQueue, ", nOutQueue ", nOutQueue
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ELSE
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? "QueueStatus() failed :", oWinPort:ErrorText()
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ENDIF
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?
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? "Read ", oWinPort:Read( @cString, 32 ), Len( cString ), cString
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?
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? "Close", oWinPort:Close()
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ENDIF
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?
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? "This is going to fail, so no device needed"
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Inkey( 0 )
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oWinPort := win_com():Init( cPortName, WIN_CBR_9600, WIN_NOPARITY, 99, WIN_ONESTOPBIT )
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IF ! oWinPort:Open
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? "Open() failed :", oWinPort:ErrorText()
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ELSE
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? "Open succeeded"
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? "Close", oWinPort:Close()
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ENDIF
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? "Attach a printer now ..."
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?
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Inkey( 0 )
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oWinPort := win_com():Init( cPortName, WIN_CBR_9600, WIN_NOPARITY, 8, WIN_ONESTOPBIT )
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IF ! oWinPort:Open
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? "Open() failed :", oWinPort:ErrorText()
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ELSE
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? "Open succeeded"
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?
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? oWinPort:DebugDCB( HB_WIN_COM_DBGFLOW )
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? "Printers will probably have CTS, DSR and DCD high, IF they are off they'll all be low"
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IF oWinPort:Status( @lCTS, @lDSR, @lRing, @lDCD )
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? "Status() succeeded : CTS ", lCTS, ", DSR ", lDSR, ", Ring ", lRing, ", DCD ", lDCD
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ELSE
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? "Status() failed :", oWinPort:ErrorText()
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ENDIF
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?
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? "With no flow control the write should succeed whether printer is on or off"
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cString := "this is a test string " + Replicate( "012356789", 30 ) + Chr( 13 ) + Chr( 10 )
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IF ( nResult := oWinPort:Write( cString ) ) == Len( cString )
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? "Write() succeeded"
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ELSE
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? "Write() failed, returned ", nResult, " expected ", Len( cString )
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ENDIF
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IF oWinPort:QueueStatus( @lCTSHold, @lDSRHold, @lDCDHold, @lXoffHold, @lXoffSent, @nInQueue, @nOutQueue )
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? "QueueStatus() : CTSHold", lCtsHold, ", DSRHold", lDsrHold, ", DCDHold", lDCDHold, ", XoffHold", lXoffHold, ;
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", Xoff Sent ", lXoffSent, ", InQueue ", nInQueue, ", nOutQueue ", nOutQueue
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ELSE
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? "QueueStatus() failed :", oWinPort:ErrorText()
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ENDIF
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?
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? "Switch all handshaking on (normally only hardware and RTS)"
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IF oWinPort:RTSFlow( WIN_DTR_CONTROL_HANDSHAKE )
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? "RTSFlow( WIN_RTS_CONTROL_HANDSHAKE ) succeeded"
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ELSE
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? "RTSFlow( WIN_RTS_CONTROL_HANDSHAKE ) failed :", oWinPort:ErrorText()
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ENDIF
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IF oWinPort:DTRFlow( WIN_DTR_CONTROL_HANDSHAKE )
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? "DTRFlow( WIN_DTR_CONTROL_HANDSHAKE ) succeeded"
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ELSE
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? "DTRFlow( WIN_DTR_CONTROL_HANDSHAKE ) failed :", oWinPort:ErrorText()
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ENDIF
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IF oWinPort:XonXoffFlow( .T. )
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? "XonXoffFlow( .T. ) ", oWinPort:XonXoffFlow( .T. )
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ELSE
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? "XonXoffFlow( .T. ) failed :", oWinPort:ErrorText()
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ENDIF
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?
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? oWinPort:DebugDCB( HB_WIN_COM_DBGFLOW )
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? "If it's on then no Hold status should be on, IF off then probably CTS and DSR"
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IF oWinPort:QueueStatus( @lCTSHold, @lDSRHold, @lDCDHold, @lXoffHold, @lXoffSent, @nInQueue, @nOutQueue )
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? "QueueStatus() : CTSHold", lCtsHold, ", DSRHold", lDsrHold, ", DCDHold", lDCDHold, ", XoffHold", lXoffHold, ;
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", Xoff Sent ", lXoffSent, ", InQueue ", nInQueue, ", nOutQueue ", nOutQueue
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ELSE
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? "QueueStatus() failed :", oWinPort:ErrorText()
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ENDIF
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?
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? Seconds()
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IF ( nResult := oWinPort:Write( cString ) ) == Len( cString )
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? "Write() succeeded"
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ELSE
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? "Write() failed, returned ", nResult, " expected ", Len( cString )
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ENDIF
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? Seconds()
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? "Close", oWinPort:Close()
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ENDIF
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RETURN
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