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100 lines
1.8 KiB
Plaintext
100 lines
1.8 KiB
Plaintext
/*
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* Harbour Project source code:
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*
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* Copyright 2009 Viktor Szakats (harbour syenar.net)
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* (fixed, adapted to CLI, translated, formatted)
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* Copyright 2006 Marcelo Torres <lichitorres@yahoo.com.ar>
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* www - http://harbour-project.org
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*
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*/
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#require "hbcomm"
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STATIC s_nHandle
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STATIC s_lConnected := .F.
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PROCEDURE Main()
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LOCAL nOption
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DO WHILE .T.
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? ""
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? "Select test:"
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? "O) Open"
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? "C) Close"
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? "S) Send"
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? "R) Receive"
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? "Q) Quit"
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? "> "
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nOption := Inkey( 0 )
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?? Chr( nOption )
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SWITCH Upper( Chr( nOption ) )
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CASE "O" ; FConnect() ; EXIT
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CASE "C" ; FDisconnect() ; EXIT
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CASE "S" ; FSend() ; EXIT
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CASE "R" ; FReceive() ; EXIT
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CASE "Q" ; RETURN
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ENDSWITCH
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ENDDO
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RETURN
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STATIC PROCEDURE FConnect()
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LOCAL cCom := "COM1"
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LOCAL nBaudeRate := 19200
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LOCAL nDatabits := 8
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LOCAL nParity := 0 /* none */
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LOCAL nStopbit := 1
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LOCAL nBuff := 8000
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s_nHandle := INIT_PORT( cCom, nBaudeRate, nDatabits, nParity, nStopbit, nBuff )
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IF s_nHandle > 0
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? "Connecting..."
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s_lConnected := .T.
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OUTBUFCLR( s_nHandle )
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ELSE
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? "Could not open connection"
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s_lConnected := .F.
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ENDIF
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RETURN
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STATIC PROCEDURE FDisconnect()
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s_lConnected := .F.
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UNINT_PORT( s_nHandle )
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RETURN
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STATIC PROCEDURE FSend()
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LOCAL cToSend
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ACCEPT "Enter string to send: " TO cToSend
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IF s_lConnected .AND. ! Empty( cToSend ) .AND. ISWORKING( s_nHandle )
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OUTCHR( s_nHandle, cToSend )
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ELSE
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? "Cannot send data"
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ENDIF
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RETURN
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STATIC PROCEDURE FReceive()
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LOCAL cReceive
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LOCAL nSize
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nSize := INBUFSIZE( s_nHandle )
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IF nSize > 0
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cReceive := Space( nSize )
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INCHR( s_nHandle, nSize, @cReceive )
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? ">>", Left( cReceive, nSize )
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ENDIF
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RETURN
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