Arduino_serial/index.js

42 lines
967 B
JavaScript

// const { SerialPort } = require('serialport')
// // or
// import { SerialPort } from 'serialport'
// // Create a port
// const port = new SerialPort({
// path: '/dev/tty-usbserial1',
// baudRate: 57600,
// })
const { SerialPort } = require('serialport')
const { ReadlineParser } = require('@serialport/parser-readline')
const http = require('node:http');
const port = new SerialPort({ path: 'COM9', baudRate: 9600 })
const parser = port.pipe(new ReadlineParser({ delimiter: '\r\n' }))
var value_arduino = "";
parser.on('data', (data => {
if (value_arduino != data) {
console.log(data);
}
value_arduino = data;
}));
const server = http.createServer((req, res) => {
res.writeHead(200, { 'Content-Type': 'application/json' });
console.log( req.url);
if (req.url == "/hello") {
res.end("/hello");
}
else {
res.end(value_arduino);
console.log( req.url);
}
});
server.listen(3070);