1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3<head> 4<META http-equiv="Content-Type" content="text/html; charset=windows-1252"> 5<META name="GENERATOR" content="IBM WebSphere Studio Homepage Builder Version 7.0.0.0 for Windows"> 6<META http-equiv="Content-Style-Type" content="text/css"> 7<title>WBT_RequestSync</title> 8<LINK rel="stylesheet" href="../../css/nitro.css" type="text/css"> 9</head> 10 11<body> 12 13<h1 align="left">WBT_RequestSync <img src="../../image/NTR.gif"><img src="../../image/TWL.gif"></h1> 14<h2>Syntax</h2> 15 16<dl> 17 <dd> 18<CODE>#include <nitro/wbt.h></CODE><BR> <BR> <CODE>BOOL WBT_RequestSync(u16 target, <A href="../wbt_callback_type.html">WBTCallback</A> callback);</CODE><br> <br> 19 </dd> 20</dl> 21<h2>Arguments</h2> 22<p> 23<TABLE border="1" width="100%"> 24 <TBODY> 25 <TR> 26<TD width="13%"><CODE>target</CODE></TD> 27<TD width="87%">Target AID bitmap that synchronizes the parent and child. For the child, only the parent "1" can be specified.</TD> 28 </TR> 29 <TR> 30<TD width="13%"><CODE>callback</CODE></TD> 31<TD width="87%"><A href="../wbt_callback_type.html"><CODE>WBTCallback</CODE></A> format function that is notified when the command completes. This callback is called from inside the <a href="../child/WBT_MpChildRecvHook.html"><CODE>WBT_MpChildRecvHook</CODE></a> function.</TD> 32 </TR> 33 </TBODY> 34</TABLE> 35</p> 36 37<h2>Return Values</h2> 38<p>If no command is currently processing, the function issues a command and returns <CODE>TRUE</CODE>. Otherwise, the function does nothing and returns <CODE>FALSE</CODE>.</p> 39 40<H2>Description</H2> 41<p>Synchronizes communication with the specified target devices. Carries out this synchronization between parent and child, copying the send/receive packet size configured on the parent to the child.<br><br> <font color="#800000">The call fails if a command is still processing.</font><br> <br> <font color="#800000">Each child device calculates the transfer unit size and bitmap buffer size based on this size setting. Therefore, this function must be called at least once before calling the <A href="../command/WBT_GetBlock.html"><code>WBT_GetBlock</code></A> function.<br></font> <br> 42</p> 43<H2>See Also</H2> 44<A href="WBT_GetBlockInfo.html"><CODE>WBT_GetBlockInfo</CODE></A><BR> <A href="WBT_GetBlock.html"><CODE>WBT_GetBlock</CODE></A><BR> <A href="WBT_PutUserData.html"><CODE>WBT_PutUserData</CODE></A> <br> 45<H2>Revision History</H2> 46<P> 472005/06/01 Added text indicating that the callback is called from the <CODE>WBT_MpChildRecvHook</CODE> function.<br> 2004/09/21 Initial version. 48</P> 49<hr><p>CONFIDENTIAL</p></body> 50</html> 51
