Casio IT-2000W manual SetCommEventMask

SetCommEventMask

UNIT FAR *SetCommEventMask(idComDev, fuEvtMask)

int idComDev; /* Communication device to be enabled */

UNIT fuEvtMask; /* Event to be enabled */

The SetCommEventMask function will enable the event included in the event word of the specified

communication device.

<Parameter >

idComDev	Specifies the communication device to be enabled. The OpenComm function
	returns this value.
fuEvtMask	Specifies the event to be enabled. This parameter consists of any combination of
	the following values.
	EV_BREAK	Set if a break state is detected at data input. This functions if
		9-Wire or 3-Wire connection is established.
	EV_CTS	Set if the status is changed by the CTS (clear to send) signal.
		This functions if the 9-Wire connection is established.
	EV_CTSS	Set if the current status of the CTS signal is indicated.
		This functions if the 9-Wire connection is established.
	EV_DSR	Set if the status is changed by the DSR (data set ready) signal.
		This functions if the 9-Wire connection is established.
	EV_ERR	Set if the line status error occurs. The line status error will be
		either CE_FRAME, CE_OVERRUN or CE_RXPARITY.
		This functions if the 9-Wire or 3-Wire connection is established.
	EV_PERR	Not supported.
	EV_RING	Set if the ring indicator status is indicated during the last modem
		interrupt. This functions if the 9-Wire connection is established.
	EV_RLSD	Set if the status is changed by the RLSD (receive line signal detect)
		signal. This functions if the 9-Wire connection is established.
	EV_RLSDS	Set if the current status of the RING signal is indicated. This
		functions if the 9-Wire connection is established.
	EV_RXCHAR	Set if a character is received and placed in the reception queue
	EV_RXFLAG	Not supported.
	EV_TXEMPTY	Set if the last character in the transmission queue is send out.

<Return value >

Returns a pointer that indicates the current event word of the specified communication device if the

function is terminated normally. Each bit of the event word represents whether the specified event

occurred. If the event actually occurred, the corresponding bit is set to 1.

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