📄 led显示（动态扫描方式）的vhdl实现 - arm-嵌入式系统设计 - cbqcgq - 和讯博客.htm
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>LED显示（动态扫描方式）的vhdl实现 - ARM-嵌入式系统设计 - cbqcgq - 和讯博客</title>
<meta name="description" content="LED显示（动态扫描方式）的vhdl实现 - cbqcgq的博客 - 和讯博客">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<link rel="alternate" type="application/rss+xml" title="cbqcgq" href="http://cbqcgq.blog.hexun.com/rss2.aspx" />
<link href="http://home.hexun.com/css/common.css" type="text/css" rel="stylesheet">
<link href="http://shequ2.tool.hexun.com/4909740/my.css" type="text/css" rel="stylesheet">
<script language="JavaScript" type="text/javascript">
<!--
function HEXUN_SetMediaPlayState()
{
var cookieName = "HEXUN_COM_MEDIA_PLAYSTATE";
var curCookie = cookieName + "=1;path=/;domain=hexun.com";
document.cookie = curCookie;
}
HEXUN_SetMediaPlayState();
-->
</script>
</head>
<body>
<!-- 页面:开始 -->
<div id="page">
<!-- 头部:开始 -->
<script language='javascript'>
function bookmarkThis(myhref)
{
t=document.title;
u=myhref;
e=document.selection?(document.selection.type!='None'?document.selection.createRange().text:''):(document.getSelection?document.getSelection():'');
void(open('http://bookmark.hexun.com/post.aspx?title='+escape(t)+'&url='+escape(u)+'&excerpt='+escape(e),'HexunBookmark','scrollbars=no,width=600,height=450,left=80,top=80,status=no,resizable=yes'));
}
function copytext(blogname,username)
{
var copyText='http://hexun.com/' + blogname + '/default.html';
window.clipboardData.setData('Text',copyText);
alert(username + '的个人门户地址已经拷贝到剪贴板！');
}
function addbookmark(myhref)
{
t=document.title;
u=myhref;
e=document.selection?(document.selection.type!='None'?document.selection.createRange().text:''):(document.getSelection?document.getSelection():'');
void(open('http://bookmark.hexun.com/post.aspx?title='+escape(t)+'&url='+escape(u)+'&excerpt='+escape(e),'HexunBookmark','scrollbars=no,width=600,height=450,left=80,top=80,status=no,resizable=yes'));
}
</script>
<script type='text/javascript'>
function cnLength(Str) {
var escStr = escape(Str);
var numI = 0;
var escStrlen = escStr.length;
for (i = 0; i < escStrlen; i++)
if(escStr.charAt(i) == '%')
if(escStr.charAt(++i) == 'u') numI ++;
return Str.length+numI;
}
</script>
<div id='page'>
<div id='header' class='topIframe'>
<div id='site_title' >
<div class='address'>http://hexun.com/cbqcgq > <a href='javascript:copytext('cbqcgq','cbqcgq')'>复制</a> > <a href='javascript:addbookmark('http://hexun.com/cbqcgq')'>收藏 | <a href='http://hexun.com/help/login_6.aspx?blogname=cbqcgq' target='_blank'>移动个人门户</a> </div>
<div class='link'><span id='SelfTab_Login'></span>
<a href='http://blog.hexun.com/' target='_blank'>和讯博客</a></span> | <span class='hexun_link'><a href='http://www.hexun.com/' target='_blank'>和讯首页</a></div>
</div>
<div id='site_description' class='site_description'><div class='site_description_A'>ARM-嵌入式系统设计</div><div class='site_description_B'>木瓜－江洋大盗－开始把uC/OS内核整理上来</div></div>
<div id='navi_bar'>
<div class='navi_bar_left'>
<div id='bar_01' class='all_bar'><a href='http://hexun.com/cbqcgq/default.html' target='_parent'>个人门户</a></div>
<div id='bar_02' class='all_bar'><a href='http://cbqcgq.blog.hexun.com' target='_parent' >博客</a></div>
<div id='bar_03' class='all_bar'><a href='http://cbqcgq.photo.hexun.com' target='_parent'>相册</a></div>
<div id='bar_04' class='all_bar'><a href='http://cbqcgq.music.hexun.com' target='_parent' >音乐</a></div>
<div id='bar_11' class='all_bar'><a href='http://cbqcgq.v.hexun.com' target='_parent' >视频</a></div>
<div id='bar_05' class='all_bar'><a href='http://bookmark.hexun.com/cbqcgq/default.aspx' target='_parent'>网摘</a></div>
<div id='bar_06' class='all_bar'><a href='http://rss.hexun.com/cbqcgq/default.aspx' target='_blank'>博揽</a></div>
<div id='bar_07' class='all_bar'><a href='http://mail.hexun.com' target='_blank'>邮局</a></div>
<div id='bar_08' class='all_bar'><a href='http://hexun.com/cbqcgq/circle.html' target='_parent'>朋友圈</a></div>
<div id='bar_09' class='all_bar'><a href='http://hexun.com/cbqcgq/friends.html' target='_parent'>好友</a></div>
<div id='bar_10' class='all_bar'><a href='http://hexun.com/cbqcgq/messageboard.html' target='_parent'>留言板</a></div>
<!--<div id='bar_12' class='all_bar'><a href='http://stock.hexun.com/mystock/' target='_blank'>理财</a></div>-->
</div>
<div class='navi_bar_right'><a href='http://hexun.com/manage/admin_index.aspx'>进入我的家</a></div>
</div>
</div>
</div>
<!-- 头部:结束 -->
<!-- 主体:开始 -->
<div id="content">
<div id="content_inner">
<div class="left_side_2" style="float:left;">
<div id="BlogPageLeft" class="left_side_2_inner">
<!-- 主人:开始 -->
<div id="master" class="side_block">
<div id="GetBriefPanel1"></div>
<div id="master_ptoto" class="side_content">
<div id="master_ptoto_1">
<script src='http://shequ2.tool.hexun.com/rest/personpic.aspx?userid=4909740'></script>
</div>
<div id="GetBriefPanel2"></div>
</div>
</div>
<!-- 主人:结束 -->
<!-- 自定义HTML:开始 -->
<div id="SelfHtml" class="side_block" >
<div class="side_title">
<div class="side_title_1">载入中</div>
<div class="side_title_2" id="HtmlColumn"></div>
<div class="clear"></div>
</div>
<div id="SelfHtmlDivItem" class="side_content">
自定义HTML载入中... <img src="http://blog.hexun.com/img/loading.gif" border="0" alt="loading" />
</div>
</div>
<!-- 自定义HTML:结束 -->
<!-- 快速链接:开始 -->
<div id="QuickLink" class="side_block">
<div class="side_title">
<div class="side_title_1">快速链接</div>
<div class="side_title_2"></div>
<div class="clear"></div>
</div>
<div id="QuickLink_list" class="side_content">
<div><a href="http://blog.hexun.com/" target="_blank"">[和讯博客]</a></div>
<div><a href="http://post.blog.hexun.com/cbqcgq/postarticle.aspx">[发表文章]</a></div>
<div><a href="http://hexun.com/manage/Admin_BlogGeneral.aspx">[进入管理]</a></div>
<div><input name="q" type="text" ID="q" size="15"> <a href="javascript:" onclick="javascript:window.open('http://cbqcgq.blog.hexun.com/search.aspx?q='+escape(document.getElementById('q').value), 'newwindow')">搜索</a></div>
<div class="QuickLink_rss"><a href="http://cbqcgq.blog.hexun.com/rss2.aspx" target="_blank"><img src="http://blog.hexun.com/single/templete/module18/img/rss2.png" alt="RSS 2.0" width="80" height="15" border="0" /></a><a href="http://rss.hexun.com/sub.aspx?fromurl=http://cbqcgq.blog.hexun.com/rss2.aspx" target="_blank"><img src="http://blog.hexun.com/single/templete/module18/img/hexun.png" width="80" height="15" border="0" alt="使用和讯博揽订阅" /></a></div>
</div>
</div>
<!-- 快速链接:结束 -->
<!-- 分类:开始 -->
<div id="GetCate"></div>
<!-- 分类:结束 -->
<!-- 友情链接:开始 -->
<div id="GetLink"></div>
<!-- 友情链接:结束 -->
</div>
</div>
<div class="right_side_2" style="float:left;">
<script>
function isDel()
{
var x = window.confirm('是否删除？');
if (x)
{
return true;
}
else
{
return false;
}
}
function isVote()
{
var x = window.confirm('是否投票？');
if (x)
{
return true;
}
else
{
return false;
}
}
function bookmarkThis()
{
t=document.title;
u=location.href;
e=document.selection?(document.selection.type!='None'?document.selection.createRange().text:''):(document.getSelection?document.getSelection():'');
void(open('http://bookmark.hexun.com/post.aspx?title='+escape(t)+'&url='+escape(u)+'&excerpt='+escape(e),'HexunBookmark','scrollbars=no,width=600,height=450,left=80,top=80,status=no,resizable=yes'));
}
var wordpt = 14;
function changeStyle(type)
{
if(type == 0)
{
if(wordpt > 8)
{
wordpt = wordpt - 2;
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -