USRIOT USR-N520, User Manual

Page: 38 / 69

38 / 69
Web to serial test
Web to serial needs user’s webpage programming ability. Design webpage, request own device’s data
and process data then reveal the results on webpage. According to chapter4.1.17 Customized Webpage, can
download revised webpage into USR-N520 .
1. Build a connection and connect to USR-N520
function connectx(){
try{
socket=new WebSocket('ws://'+window.location.host+':6432');
socket.binaryType = "arraybuffer";
}catch(e){
alert('error');
return;
}
socket.onopen = sOpen;
socket.onerror=sError;
socket.onmessage=sMessage;
socket.onclose=sClose
}
2. Receive Data Function
function sMessage(msg)
3. Send data function
function send()