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8
ToggleLight.php
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8
ToggleLight.php
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<?php
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$status=exec("gpio read 25");
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if($status==0)
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exec("gpio write 25 1");
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else
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exec("gpio write 25 0");
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echo exec("gpio read 25");
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?>
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5
b.php
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5
b.php
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<?php
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exec("gpio write 22 1");
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exec("sleep 0.15");
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exec("gpio write 22 0");
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?>
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116
car.php
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116
car.php
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<!DOCTYPE html>
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<html>
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<head>
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<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">
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<meta charset="utf-8">
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<meta name="viewport" content="user-scalable=0" />
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<title>我的监控小车</title>
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<style>
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body {
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width: 90%;
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margin: 0 auto;
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font-family: Tahoma, Verdana, Arial, sans-serif;
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}
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button {
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font-size: 2em;
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width: 4em;
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height: 2em;
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}
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input {
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height: 3em;
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width: 3em;
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}
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span {
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font-size: 1em;
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}
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table{
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width: 80%;
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}
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</style>
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<script src="https://cdn.bootcss.com/flv.js/1.4.2/flv.min.js"></script>
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<script type="text/javascript" src="./movement.js" ></script>
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</head>
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<body>
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<h2>我的监控小车红红火火恍恍惚惚哈哈哈哈</h2>
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<p>TODO:</p>
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<ol>
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<li><del>摄像头推流到web页面</del> √</li>
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<li><del>降低画面延时</del> <del>3s不能再少了。。</del> 菜鸡，没那个能力。</li>
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<li><del>页面鉴权？？</del> 懒得要死鉴个鸡毛</li>
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<li><del>加上音频采集</del> 不加了，又要买usb麦</li>
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<li><del>造个小车</del> √</li>
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<li><del>树莓派GPIO控制小车马达转动</del> √</li>
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<li>实现web控制</li>
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</ol>
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<p>注：因页面有几秒延时(内网3s，外网7s左右)，前进后退动作只持续0.3s<p>
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<br>
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<hr>
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<?php
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$isRunning=exec("ps -e |grep livego");
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if(empty($isRunning)):
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?>
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<h3>看什么看，摄像头还没有开启呢😜</h3>
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<?php
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else:
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?>
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<video controls muted id="videoElement" width="90%" >你的浏览器不支持HTML5 video标签</video>
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<script type="text/javascript">
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if (flvjs.isSupported()) {
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var videoElement = document.getElementById('videoElement');
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var flvPlayer = flvjs.createPlayer({
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type: 'flv',
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url: '/car/live/movie.flv'
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});
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flvPlayer.attachMediaElement(videoElement);
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flvPlayer.load();
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flvPlayer.play();
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}
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</script>
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<br>
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<table>
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<td><button id="f" onclick="Forward()" >前进</button></td>
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<td><button id="b" onclick="Backward()" >后退</button></td>
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<td><button id="light" onclick="ToggleLight()" >开灯</button></td>
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</table>
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<span>
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<p>行驶方向:</p>
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<input type="radio" name="direction" onclick="LeftLeft()" >左转
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<input type="radio" name="direction" onclick="Left()" >略左
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<input type="radio" name="direction" onclick="Straight()" checked>直行
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<input type="radio" name="direction" onclick="Right()" >略右
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<input type="radio" name="direction" onclick="RightRight()" >右转
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<p>摄像头方向：</p>
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<input type="radio" name="cam" onclick="CamLeft()" >左
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<input type="radio" name="cam" onclick="CamMiddle()" checked >中
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<input type="radio" name="cam" onclick="CamRight()" >右
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</span>
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<?php
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exec("gpio mode 23 pwm");
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exec("gpio mode 26 pwm");
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exec("gpio pwm-ms");
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exec("gpio pwmc 1920");
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exec("gpio pwmr 200");
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exec("gpio pwm 23 15");
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exec("gpio pwm 26 15");
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exec("gpio mode 21 output");
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exec("gpio mode 22 output");
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exec("gpio mode 25 output");
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exec("gpio write 21 0");
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exec("gpio write 22 0");
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exec("gpio write 25 0");
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endif
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?>
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<br>
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<hr>
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<p><em>Created by <a href="mailto:jiacai_wang@qq.com">wjc</a>.</em></p>
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</body>
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</html>
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5
f.php
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5
f.php
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<?php
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exec("gpio write 21 1");
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exec("sleep 0.2");
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exec("gpio write 21 0");
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?>
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71
movement.js
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71
movement.js
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var xml;
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function ToggleLight()
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{
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xml=new XMLHttpRequest();
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xml.open("GET","./ToggleLight.php",false);
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xml.send();
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var result=xml.responseText;
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var btn=document.getElementById("light");
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if(result=="0") btn.innerHTML="开灯";
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else btn.innerHTML="关灯";
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}
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function Forward()
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{
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xml=new XMLHttpRequest();
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xml.open("GET","./f.php",false);
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xml.send();
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}
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function Backward()
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{
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xml=new XMLHttpRequest();
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xml.open("GET","./b.php",false);
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xml.send();
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}
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function Straight()
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{
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xml=new XMLHttpRequest();
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xml.open("GET","./s.php",false);
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xml.send();
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}
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function Left()
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{
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xml=new XMLHttpRequest();
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xml.open("GET","./l.php",false);
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xml.send();
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}
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function Right()
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{
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xml=new XMLHttpRequest();
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xml.open("GET","./r.php",false);
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xml.send();
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}
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function LeftLeft()
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{
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xml=new XMLHttpRequest();
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xml.open("GET","./ll.php",false);
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xml.send();
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}
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function RightRight()
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{
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xml=new XMLHttpRequest();
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xml.open("GET","./rr.php",false);
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xml.send();
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}
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function CamMiddle()
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{
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xml=new XMLHttpRequest();
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xml.open("GET","./camm.php",false);
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xml.send();
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}
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function CamLeft()
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{
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xml=new XMLHttpRequest();
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xml.open("GET","./caml.php",false);
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xml.send();
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}
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function CamRight()
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{
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xml=new XMLHttpRequest();
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xml.open("GET","./camr.php",false);
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xml.send();
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}
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