[英]Read data form serial port on windows with php
I want to read data in php using USB serial.我想使用 USB 串口读取 php 中的数据。 I am Using Rs232 to USB cable.我正在使用 Rs232 转 USB 电缆。 I have sartorius balance machine.我有 sartorius 平衡机。 now i want to read machine data using USB com port.现在我想使用 USB com 端口读取机器数据。 and store in database.并存入数据库。
I am trying to use https://github.com/Xowap/PHP-Serial I don't know how to detect which com port are using by machine.我正在尝试使用https://github.com/Xowap/PHP-Serial我不知道如何检测机器正在使用哪个 com 端口。
<?php
include "php_serial.class.php";
$serial = new phpSerial;
$serial->deviceSet("COM1");
$serial->deviceOpen();
$serial->sendMessage("Hello !");
$read = $serial->readPort();
$serial->deviceClose();
$serial->confBaudRate(2400);
echo "<pre>".var_export($serial, true)."</pre>";
?>
This code goes in to infinite loop.此代码进入无限循环。
Regards N问候 N
I am using Node js To read serial port and send output to PHP server.我正在使用 Node js 读取串口并将输出发送到 PHP 服务器。
var fs = require('fs')
, http = require('http')
, socketio = require('socket.io')
, com = require("serialport");
var WebSocketServer = require('websocket').server;
// create the server
var wsServer = new WebSocketServer({
httpServer: http.createServer().listen(1337)
});
var serialPort = new com.SerialPort("COM4", {
baudrate: 1200,
dataBits: 7,
parity: 'none',
stopBits: 1,
parser: com.parsers.readline('\r\n')
});
wsServer.on('request', function(request) {
var connection = request.accept(null, request.origin);
serialPort.on('data', function(data) {
//console.log('Received Message: ' + data);
fs.writeFile("data.txt", data, function(err) {
if(err) {
return console.log(err);
}
});
connection.sendUTF(data);
});
});
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<h1><a href="index.php?status=1">ON</a></h1>
<h1> <a href="index.php?status=2">off</a></h1>
<?php
//calling php serial class
require_once 'php_serial.class.php';
$serial=new phpSerial();
$serial->deviceSet('/dev/ttyACM2');
$serial->confBaudRate(9600);
$serial->confParity("none");
$serial->confCharacterLength(8);
$serial->confStopBits(1);
$serial->confFlowControl("none");
$serial->deviceOpen();
if($_GET['status']){
$serial->sendMessage($_GET['status']);
$read=$serial->readPort();
var_dump($read);
echo $read;
}
?>
</body>
</html>
int led=3;
void setup(){
Serial.begin(9600);
pinMode(led,OUTPUT);
}
void loop(){
int x=Serial.read();
if(x=='1'){
digitalWrite(led,HIGH);
Serial.write(x);
}
if(x=='2'){
digitalWrite(led,LOW);
Serial.write(x);
}
}
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