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apt-nl-map/static/Magic4/BAK/test_ros_5.html

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script type="text/javascript" src="http://static.robotwebtools.org/EventEmitter2/current/eventemitter2.min.js"></script>
<script type="text/javascript" src="http://static.robotwebtools.org/roslibjs/current/roslib.min.js"></script>
<script type="text/javascript" type="text/javascript">
var ros = new ROSLIB.Ros({
url : 'ws://localhost:9090'
});
ros.on('connection', function() {
console.log('Connected to websocket server.');
});
ros.on('error', function(error) {
console.log('Error connecting to websocket server: ', error);
});
ros.on('close', function() {
console.log('Connection to websocket server closed.');
});
function talker1(str){
alert("talker1函数:"+str);
}
function talker2(id){
element = document.getElementById(id);
alert("talker2函数:"+element.value);
var can_pub=new ROSLIB.Topic({
ros : ros,
name : '/js_can',
messageType : 'lu_ps20l_msgs/Msg_CANFrame'
});
var can_msg= new ROSLIB.Message({
header: {
stamp: {
secs: 0,
nsecs: 0
},
frame_id: "",
seq: 0
},
id:0x123,
is_rtr:false,
is_extended:false,
is_error:false,
dlc:8,
data:[1, 2, 3, 4, 5, 6, 7, 8]
});
can_pub.publish(can_msg);
}
function listener(){
var listener = new ROSLIB.Topic({
ros : ros,
name : '/chatter',
messageType : 'std_msgs/String'
});
listener.subscribe(function(message) {
console.log('Received message on ' + listener.name + ': ' + message.data);
listener.unsubscribe();
});
var can_sub = new ROSLIB.Topic({
ros : ros,
name : '/Topic_HMI_CAN_SendFrame',//'js_can',
messageType : 'lu_ps20l_msgs/Msg_CANFrame'
});
can_sub.subscribe(function(message){
var p = atob(message.data);
var str= 'Received can message on ' + can_sub.name + ':\n 0x' + message.id.toString(16) +'\n'+message.is_rtr +'\n'+message.is_extended +'\n'+message.is_error+'\n'+message.dlc+'\n'
+'0x'+p.charCodeAt(0).toString(16)+' '
+'0x'+p.charCodeAt(1).toString(16)+' '
+'0x'+p.charCodeAt(2).toString(16)+' '
+'0x'+p.charCodeAt(3).toString(16)+' '
+'0x'+p.charCodeAt(4).toString(16)+' '
+'0x'+p.charCodeAt(5).toString(16)+' '
+'0x'+p.charCodeAt(6).toString(16)+' '
+'0x'+p.charCodeAt(7).toString(16)+'\n';
console.log(str);
document.getElementById('test').innerText= str;
can_sub.unsubscribe();
});
}
var t2 = window.setInterval("listener()",100);
</script>
</head>
<body>
<h1>Simple roslib Example 你好 欢迎使用AGV</h1>
<p>Check your Web Console for output.</p>
<div id='test'> </div>
<form name=f1>
<input type=text name=t1></input>
<input type=button value=ok onclick=talker1(t1.value)></input>
</form>
<input type=text id="id1" />
<input type=button value=ok onclick=talker2("id1") />
</body>
</html>