Casio IT-2000W Spezifikationen PDF herunterladen (Seite 116)

116

FlushComm

int FlushComm(idComDev, fnQueue)

int idComDev;

/* Identifier of the communication device */

int fnQueue;

/* Queue to be flushed */

The FlushComm function is used to flush out all characters from the transmission queue or reception

queue of the communication device.

< Parameter >

idComDev

: Specifies the communication device to be flushed. The OpenComm function returns

this value.

fnQueue

: Specifies the queue to be flushed. If this parameter is set to 0, the transmission queue

is flushed, and if set to 1, the reception queue is flushed.

< Return value >

Returns zero if the function is terminated normally. If the device specified by the idComDev

parameter is not valid, or if the queue specified by the fnQueue parameter is not valid, a value other

than zero is returned. If the specified device has an error, a positive value will be returned.

For more information about the error values refer to the GetCommError function description.

Note on IrDA:

Data transmission will take place only after the transmitted characters have been passed from the

transmission queue to the buffer in the IrDA driver. Even if the transmission/reception buffer

contains zero bytes, untransmitted data or received data may remain in the IrDA driver.

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Casio IT-2000W Spezifikationen Seite 116