Gx3788PioGetPortChannelDirection

Purpose

Returns the digital channel direction state.

Gx3788PioGetPortChannel (nHandle, nPort, nChannel, pbValue, pnStatus)

Name	Type	Comments
nHandle	SHORT	Handle to a GX3788 board.
nPort	SHORT	Select the digital port to get: 0. GX3788_PIO_PORT0: Digital Port 0. 1. GX3788_PIO_PORT1: Digital Port 1. 2. GX3788_PIO_PORT2: Digital Port 2.
nChannel	SHORT	Selects the channel within the selected port to query (0-31).
pbValue	PBOOL	Returns the direction setting of a selected digital channel: 0. FALSE: Digital channel is an input. 1. TRUE: Digital channel is an output.
pnStatus	PSHORT	Returned status: 0 on success, negative number on failure.

Digital Port 0 contains the positive 32 channels of the 32 differential pairs.

Digital Port 1 contains the negative 32 channels of the 32 differential pairs.

Digital Port 2 contains the 32 single-ended channels.

The following example sets the digital port 0, channel 15 direction to output, and returns the settings:

SHORT nStatus;

BOOL bDirection;

Gx3788PioSetPortChannelDirection (nHandle, GX3788_PIO_PORT0, 15, TRUE, &nStatus);

Gx3788PioGetPortChannelDirection (nHandle, GX3788_PIO_PORT0, 15, &bDirection, &nStatus);