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>CAMERA_I2CWhiteBalance*</TITLE> 8<LINK rel="stylesheet" href="../css/nitro.css" type="text/css"> 9</HEAD> 10<BODY> 11<H1 align="left">CAMERA_I2CWhiteBalance* <IMG src="../image/TWL.gif" align="middle"></H1> 12<H2>Syntax</H2> 13<DL> 14 <DD> 15 <CODE>#include <twl/camera.h></CODE><BR> 16 <BR> 17 <CODE><A href="CAMERAResult.html">CAMERAResult</A> CAMERA_I2CWhiteBalance(<A href="CAMERASelect.html">CAMERASelect</A> camera, <A href="CAMERAWhiteBalance.html">CAMERAWhiteBalance</A> wb);</CODE> 18 <BR> 19 <CODE><A href="CAMERAResult.html">CAMERAResult</A> CAMERA_I2CWhiteBalanceAsync(<A href="CAMERASelect.html">CAMERASelect</A> camera, <A href="CAMERAWhiteBalance.html">CAMERAWhiteBalance</A> wb, <A href="CAMERACallback.html">CAMERACallback</A> callback, void *arg);</CODE> 20</DL> 21<H2>Arguments</H2> 22<TABLE border="1" width="100%"> 23 <TBODY> 24 <TR> 25<TD width="13%"><SPAN class="argument">camera</SPAN></TD> 26<TD width="87%">Camera to configure (<CODE>CAMERA_SELECT_IN</CODE>, <CODE>CAMERA_SELECT_OUT</CODE>, or <CODE>CAMERA_SELECT_BOTH</CODE>).</TD> 27 </TR> 28 <TR> 29<TD width="13%"><SPAN class="argument">wb</SPAN></TD> 30<TD width="87%">The white balance to set.</TD> 31 </TR> 32 <TR> 33<TD width="13%"><SPAN class="argument">callback</SPAN></TD> 34<TD width="87%">Function that is called when asynchronous processing has completed.</TD> 35 </TR> 36 <TR> 37<TD width="13%"><SPAN class="argument">arg</SPAN></TD> 38<TD width="87%">Arguments when the callback function is invoked.</TD> 39 </TR> 40 </TBODY> 41</TABLE> 42 43<H2>Return Values</H2> 44<P>Returns <CODE>CAMERA_RESULT_SUCCESS</CODE> if configuration was successful.</P> 45 46<H2>Description</H2> 47<P> 48Sets the camera's white balance.<BR><BR> Unlike <code>CAMERA_I2CWhiteBalance</code>, the <code>CAMERA_I2CWhiteBalanceAsync</code> function returns control immediately and runs asynchronously. Use <SPAN class="argument">callback</SPAN> to confirm that processing has completed. 49</P> 50 51<H2>See Also</H2> 52<P><A href="CAMERASelect.html"><CODE>CAMERASelect</CODE></A><BR> <A href="CAMERAWhiteBalance.html"><CODE>CAMERAWhiteBalance</CODE></A><BR> <A href="CAMERACallback.html"><CODE>CAMERACallback</CODE></A><BR> <A href="CAMERAResult.html"><CODE>CAMERAResult</CODE></A></P> 53<H2>Revision History</H2> 54<P> 552008/10/30 Added that <CODE>CAMERA_SELECT_BOTH</CODE> also can be specified.<br> 2007/10/12 Initial version.</P> 56<hr><p>CONFIDENTIAL</p></body> 57</HTML> 58