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<?xml-stylesheet type="text/xsl" href="https://community.arm.com/utility/feedstylesheets/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>error</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/41315/error</link><description> 
Hi.I am using writing a program and keil show me this error: 
error: #28: expression must have a constant value 
The program: 
#ifndef __ov7670_H 
#define __ov7670_H 

 
#include &amp;lt;stdio.h&amp;gt; 
#include &amp;lt;stdint.h&amp;gt; 

 
#include &amp;quot;ov7670reg.h&amp;quot; 

 
uint8_t</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: error</title><link>https://community.arm.com/thread/83228?ContentTypeID=1</link><pubDate>Sat, 02 Jul 2016 07:21:31 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:36ea18c9-dcf7-40e6-9543-255c0eecff95</guid><dc:creator>reza ojani</dc:creator><description>&lt;p&gt;&lt;p&gt;
Thank you so much.&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: error</title><link>https://community.arm.com/thread/64828?ContentTypeID=1</link><pubDate>Sat, 02 Jul 2016 07:13:06 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:bd192a67-d5cd-4358-96fe-7fd53440b7f7</guid><dc:creator>Westonsupermare Pier</dc:creator><description>&lt;p&gt;&lt;p&gt;
HEIGHT and WIDTH can&amp;#39;t be variables, you&amp;#39;ll want to #define them
in this context&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>