1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2<html xml:lang="en-US" lang="en-US" xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 5 <meta http-equiv="Content-Style-Type" content="text/css" /> 6 <link rel="stylesheet" href="../../../css/manpage.css" type="text/css" /> 7<title>IsBusy</title> 8 </head> 9 <body> 10<h1><CODE>nn::camera::CTR::IsBusy</CODE> Function</h1> 11<h2>Syntax</h2> 12 <div class="section"> 13 <pre class="definition"> 14bool IsBusy( 15 <a href="../../../nn/camera/CTR/Port.html">Port</a> port 16); 17</pre> 18 </div> 19<h2>Arguments</h2> 20 <div class="section"> 21 <table class="arguments"> 22 <thead> 23 <tr> 24 <td width="15" /> 25<th>Name</th> 26<td>Description</td> 27 </tr> 28 </thead> 29 <tr> 30<td>in</td> 31<th>port</th> 32<td>Specifies the port to check.</td> 33 </tr> </table> 34 </div> 35<h2>Return Values</h2> 36<div class="section">Returns <CODE>true</CODE> if currently capturing, and <CODE>false</CODE> otherwise. </div> 37<h2>Description</h2> 38 <div class="section"> 39<p>Gets whether the camera is currently capturing image data.</p><P> 40In specific terms, the cameras begin capturing image data at the end of the next camera V-Blank after calling <CODE>StartCapture</CODE>, and continue until the beginning of the next camera V-Blank after calling <CODE>StopCapture</CODE>. 41 </P><P> 42If the aforementioned functions are called during a camera V-Blank, the camera state is updated during that V-Blank instead of the next V-Blank. 43 </P></div> 44<h2>Revision History</h2> 45 <div class="section"> 46 <dl class="history"> 47 <dt>2010/04/09</dt> 48<dd>Added description text.<br /> 49 </dd> 50 <dt>2010/01/07</dt> 51<dd>Initial version.<br /> 52 </dd> 53 </dl> 54 </div> 55 <hr><p>CONFIDENTIAL</p></body> 56</html>