Comtrol API (6508) for the MS-DOS Uživatelský manuál stáhnout pdf (Strana 26)

26 API Functions

aaGetRxStatus

aaGetRxStatus

Gets the status of the device’s receive buffer.

aaGetRxStatus(Dev)

int Dev Device number

int:

NO_ERR if there are no errors in the

device’s receive buffer

ERR_RX if there are errors in the

device’s receive buffer

ERR_DEV if device number out of range

ERR_NOTOPEN if device not open for receive

If there are errors in the device’s receive buffer, the

exact error and the errored data byte can be

determined using the aaReadWithStatus() function.

Function

Purpose

Call

Return

Comments

aaGetTxCount

Gets the count of data bytes in the transmit buffer

waiting to be transmitted.

aaGetTxCount(Dev)

int Dev Device number

int: Transmit byte count

Function

Purpose

Call

Return

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