DioGetSlaveHandle

Applies To

GC5050, GX5050, GX5055, GX5150, GX5280, GX5290, GX5290e, GX5295

Purpose

Returns the Slave board handle of the specified Master board.

Syntax

DioGetSlaveHandle (nMasterHandle, nBrdNum, pnHandle, pnStatus)

Parameters

Name	Type	Comments
nMasterHandle	SHORT	Master board handle.
nBrdNum	SHORT	Slave board number (1-7).
pnHandle	PSHORT	Returned Slave board handle.
pnStatus	PSHORT	Returned status: 0 on success, negative number on failure.

Comments

The function can be called only after DioInitialize is called to retrieve the handle of Slave board. If an error occurs, pnHandle is 0.

Example

The following example returns the handle for Slave board number 1:

SHORT nHandle, nStatus;

DioGetSlaveHandle (nMasterHandle, 1, &nHandle, &nStatus);