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9<title>WPADSetSyncDeviceCallback</title>
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13
14<h1>WPADSetSyncDeviceCallback</h1>
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16
17<h2>C Specification</h2>
18
19<dl>
20  <dd><pre><code>#include &lt;revolution/wpad.h&gt;
21
22#define WPAD_SYNC_EVT_START        0
23#define WPAD_SYNC_EVT_DONE         1
24
25typedef void (*WPADSyncDeviceCallback) ( s32 result, s32 num );
26
27WPADSyncDeviceCallback *WPADSetSyncDeviceCallback( WPADSyncDeviceCallback callback )</code></pre>
28  </dd>
29</dl>
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31<h2>Arguments</h2>
32<TABLE border="1">
33  <tr>
34<TD width="120" bgcolor="#ffffe8"><code><b><i>callback</i></b></code></TD>
35<TD>Sets the callback called when the synchro button is pressed and when registration is completed.</TD>
36    </tr>
37</TABLE>
38<h2>Return Values</h2>
39<p>A pointer to the previously set callback.</p>
40<H2>Description</H2>
41<P>Sets the callback called when the synchro button is pressed and when registration is completed. If no callback is set, <A href="./WPADStartSyncDevice.html"><code>WPADStartSyncDevice</code></a> is automatically called.</P>
42<p>
43One of the <code>WPAD_SYNC_EVT_*</code> set is passed as the <code>result</code> argument for the callback function.
44</p>
45
46<table border="1">
47<tr>
48	<td><code>WPAD_SYNC_EVT_START</code></td><td>The synchro button on the Wii console was pressed.</td>
49</tr>
50<tr>
51	<td><code>WPAD_SYNC_EVT_DONE</code></td><td>Registration has ended. The number of Wii Remote registered is passed to <code>num</code>.</td>
52</tr>
53</table>
54
55<h2>See Also</h2>
56<p>
57<A href="./toc.html" target="contents">WPAD Functions</A><br> <A href="./WPADStartSyncDevice.html"><CODE>WPADStartSyncDevice</CODE></A><br>
58</p>
59
60<H2>Revision History</H2>
61<P>
622007/07/10 Changed such that <CODE>WPAD_SYNC_EVT_BUSY</CODE> is no longer passed to the callback function.<br>
632006/06/19 Initial version.<br></P>
64<hr>
65<P>CONFIDENTIAL</p>
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