Código: Selecionar todos
FUNCTION AbrePortaComm( nPorta, nVel, cPar, nBit, nStop, nIrq, cIo, nBufferIn, nBufferOut, lTrapMode)
IF Empty( nPorta )
RETU .F.
ENDIF
DEFA nVel to 9600 //ECF, Leitor CodBarra Serial 9600, Balanca 2400
DEFA cPar TO "N"
DEFA nBit TO 8
DEFA nStop TO 1
DEFA nIrq TO 0
DEFA cIo TO ""
DEFA nBufferIn TO 1000 //buffer de entrada
DEFA nBufferOut TO 1000 //buffer de saida
DEFA lTrapMode TO .F.
//windows 98: multiserial e algumas placa mae nao abre porta se nao definir
//windows XP deve ignorar, dara mensagem de erro, acesso formato 16 bits
IF !Empty( nIrq )
IF !com_setirq( nPorta, nIrq )
//erro
RETU .F.
ENDIF
ENDIF
//windows 98: multiserial e algumas placa mae nao abre porta se nao definir
//windows XP deve ignorar, dara mensagem de erro, acesso formato 16 bits
IF !Empty( cIo )
IF !com_setio( nPorta, cIo )
//erro
RETU .F.
ENDIF
ENDIF
IF !Com_Open( nPorta, nBufferIn, nBufferOut, lTrapMode )
//erro
RETU .F.
ENDIF
IF !com_init( nPorta, nVel, cPar, nBit, nStop )
//erro
RETU .F.
ENDIF