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1 week ago
import { SerialPort } from 'serialport'
const serialport = new SerialPort({ path: 'COM3', baudRate: 9600, autoOpen: false, }, function (err) {
if (err) {
return console.log('Error: ', err.message);
}
})
async function serialPort(req, res) {
const buff = Buffer.allocUnsafe(4);
buff.writeUInt8(`#0${req.params.id}$`);
const result = await serialport.write(buff)
res.send(result)
// serialport.open(function (err) {
// if (err) {
// return console.log('Error opening port: ', err.message);
// }
// // Because there's no callback to write, write errors will be emitted on the port:
// serialport.write('main screen turn on');
// })
// serialport.on('error', function (err) {
// console.log('Error: ', err.message);
// })
// serialport.on('readable', function () {
// console.log('Data:', serialport.read());
// })
// serialport.on('data', function (data) {
// console.log('Data:', data);
// })
}
export default serialPort