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 <title><![CDATA[电机的计算机控制]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115.html]]></link>
 <description><![CDATA[Latest 50 replies of 电机的计算机控制]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[欢迎你把遇到的问题发上来讨论，直接帮你写程序就免了。这样会害了你。 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1344419.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 15 Sep 2012 00:20:06 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[楼主！这几个月sh2999忙得很，日月都要干活，他不会帮楼主写星三角的，没时间，你可以在网上找一找啊。 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1344162.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 14 Sep 2012 08:22:03 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第17楼supermax于2012-09-12 09:43发表的&#160;&#160;:
这样就可以啦！我已试过OK
#include &lt;reg52.h&gt;
sbit s2=P3^4;//停止 
sbit s4=P3^6;//正 
sbit s5=P3^7;//反 
.......
[/quote]
void delay(void)&#160;&#160; //误差 0us,延时50微秒
{
&#160;&#160;&#160;&#160;unsigned char a,b;
&#160;&#160;& ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1343776.html]]></link>
 <author><![CDATA[shi2999]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 13 Sep 2012 14:57:37 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[可以用，帮你顶一个。
#include &lt;reg52.h&gt;
sbit s2=P3^4;//停止 
sbit s4=P3^6;//正 
sbit s5=P3^7;//反 
sbit km1=P1^3;
sbit km2=P1^5;
void delay();
void main()
{&nbsp;&nbsp;
km1=1;
km2=1;
while(1)
{
if (s2==0) 
{ 
delay();
if(s2==0)
{
km1=1; 
km2=1; 
} }

if (s4==0) 
{
delay();
if(s4==0)
{
km1=0; ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1343682.html]]></link>
 <author><![CDATA[shi2999]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 13 Sep 2012 12:44:08 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[单片机高手，现在PLC也很便宜了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1342735.html]]></link>
 <author><![CDATA[youqing]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Sep 2012 03:02:47 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[还有你必须要用按钮互锁]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1342688.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Sep 2012 01:56:21 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[首先声明不要叫我教你，我也是shi2999的学生，慢慢学吧！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1342684.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Sep 2012 01:46:37 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这样就可以啦！我已试过OK
#include &lt;reg52.h&gt;
sbit s2=P3^4;//停止 
sbit s4=P3^6;//正 
sbit s5=P3^7;//反 
sbit km1=P1^3;
sbit km2=P1^5;
void delay();
void main()
{&nbsp;&nbsp;
km1=1;
km2=1;
while(1){
if (s2==0) 
{ 
delay();
if(s2==0)
{
km1=1; 
km2=1; 
} }

if (s4==0) 
{
delay();
if(s4==0)
{
km1 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1342683.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Sep 2012 01:43:28 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[有点难度呀，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1342674.html]]></link>
 <author><![CDATA[apper]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Sep 2012 01:31:33 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[按键需要处理一下
不然可能会误操作]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1342653.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Sep 2012 00:53:14 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[直来直去傻瓜型编程法，晕!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1342646.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Sep 2012 00:43:44 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[可能while语句有问题，我再试试 [s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1342627.html]]></link>
 <author><![CDATA[1712131502]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Sep 2012 00:18:48 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[楼主是强人，佩服，单片机中如果是51系列的，检测输入之前是否要先给该位置1再读取状态呢，另外关于按住停止按钮也能启动，程序是顺序执行的，既然可以检测到有启动信号必然会先输出信号，其实那个led灯是闪得很快，只是人眼看不见而已，亮度是有所降低的，如果要按住停止按钮就不启动，就要加上与或非等条件，或者用中间 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1342445.html]]></link>
 <author><![CDATA[deeply]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 11 Sep 2012 10:41:28 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[看不懂！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1342374.html]]></link>
 <author><![CDATA[gaoshicai888]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 11 Sep 2012 08:50:59 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[没记错的话，单片机输出=0时代表输出，KM1应该是脉冲输出，KM2是方向，所以不管正转还是反转，
改变的是方向，脉冲应该是一直有输出的，把S5==0的中的语句KM1=1改成KM1=0试试。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1342328.html]]></link>
 <author><![CDATA[langman]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 11 Sep 2012 07:50:39 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[#include &lt;reg52.h&gt; 

sbit s2=P3^4;//停止 
sbit s4=P3^6;//正 
sbit s5=P3^7;//反 
sbit km1=P1^3; 
sbit km2=P1^5; 
void main() 
{&nbsp;&nbsp; 
km1=1; 
km2=1; 
while(1){ 
if (s2==0) 
{ 
km1=1; 
km2=1; 
} 
if (s4==0){ 
{ 
km1=0; 
km2=1; 
} 
if (s5==0){ 
km1=1; 
km2=0; 
}&nbsp;&nbsp; 
} 
} 
} 
现在 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1342106.html]]></link>
 <author><![CDATA[1712131502]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 11 Sep 2012 03:12:01 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[怎么编译成HEX文件啊，老是编译不成功，就一次成功了 [s:28] 过后又不行 [s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1341550.html]]></link>
 <author><![CDATA[1712131502]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 10 Sep 2012 06:58:07 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[米有写停止程序，可能是没转换成hex文件。我是用发光二极管模拟呀 [s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1341324.html]]></link>
 <author><![CDATA[1712131502]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 09 Sep 2012 23:57:38 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[你是用什么去驱动继电器,有没加上拉电阻]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1341131.html]]></link>
 <author><![CDATA[beavin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 09 Sep 2012 09:01:27 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28] 好难呀]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1341100.html]]></link>
 <author><![CDATA[thinkpad1415]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 09 Sep 2012 07:07:02 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[km1=1;
km2=1;
这2步去掉试试]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1341094.html]]></link>
 <author><![CDATA[乌龟船长]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 09 Sep 2012 06:54:45 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[好像没有错，你输入有信号吗，要不检查下线路]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1341079.html]]></link>
 <author><![CDATA[tlw2007]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 09 Sep 2012 05:24:50 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[就是你屏蔽我，你牛]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1340904.html]]></link>
 <author><![CDATA[shenyijin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 08 Sep 2012 14:01:38 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[语法错误米有，编译也通过了。下载到板子就是不执行 [s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399115#1340790.html]]></link>
 <author><![CDATA[1712131502]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 08 Sep 2012 08:50:30 +0000]]></pubdate>
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