Gx5642GetGroupTTLPortDirection

Returns the specified group TTL Port Direction.

Gx5642GetGroupTTLPortDirection (nHandle, nGroup, pdwDirection, pnStatus)

Name	Type	Description
nHandle	SHORT	Handle to a GX5642 board.
nGroup	SHORT	Group value is as follows: 0. GX5642_GROUP0 (channels 0 to 31) 1. GX5642_GROUP1(channels 32 to 63)
pdwDirection	PDWORD	Group’s TTL Port Direction. Each of the 32 bits represents a channel in the group. Bit 0 is the first channel in the group and bit 31 is the last channel in the group. Bit low - channel differential Port TTL is input. Bit high - channel differential Port TTL is output.
pnStatus	PSHORT	Returned status: 0 on success, negative number on failure.

The function returns the TTL Port Direction for all the channels in the specified group.

Note: Only channels in the group that were set to Static I/O mode prior calling this function by calling Gx5642SetGroupMode will be set.

The following example returns group 0 TTL Port Direction:

DWORD dwDirection;

Gx5642GetGroupTTLPortDirection (nHandle, GX5642_GROUP0, &dwDirection, &nStatus);