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24 API Functions

aaFlush

Flushes the transmit or receive buffer, or both for a

device.

aaFlush(Dev,FlushFlags)

int Dev Device number

unsigned char FlushFlags

COM_TX or COM_RX, or both

int:

NO_ERR if successful

ERR_DEV if device is out of range

ERR_OPENTYPE if FlushFlags is out of range

Function

Purpose

Call

Return

aaGetCtlStatus

Gets controller status, including the first device

number on the controller and the number of devices on

the controller.

aaGetCtlStatus(CtlNum,FirstDevP,NumDevP)

int CtlNum Controller number to get status on.

int *FirstDevP Pointer to variable where first

device number on this controller

will be returned.

int *NumDevP Pointer to variable where number

of devices on this controller will be

returned

int:

NO_ERR Controller is installed

ERR_NOCTL Controller is not installed

The CtlNum parameter identifies which RocketPort

controller to get the status of. Controllers are

numbered sequentially beginning with 0. Controller 0

will be the first controller whose address appears in the

configuration file given by the

ROCKETCFG

environment variable. The contents of the FirstDevP

and NumDevP parameters are modified only if

NO_ERR

is returned.

Function

Purpose

Call

Return

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