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78 lines
2.1 KiB
78 lines
2.1 KiB
1 month ago
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import { SerialPort } from 'serialport'
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import { autoDetect } from '@serialport/bindings-cpp'
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async function serialPortList(req, res) {
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console.log(1)
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SerialPort.list()
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.then(async pathsList => {
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for (const pathObject of pathsList) {
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await new Promise(resolve => {
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setTimeout(() => resolve(), 100);
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})
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const serialPort = new SerialPort({ path: pathObject.path, baudRate: 9600, autoOpen: false, }, function (err) {
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if (err) {
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return console.log('Error: ', err.message);
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}
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})
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// console.log(111111, serialPort)
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const buff = Buffer.allocUnsafe(4);
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//buff.write(`#0${req.params.id}$`);
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buff.write("$"+req.params.id+"&");
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serialPort.on('open', () => {
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console.log('Serial port opened');
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serialPort.write(buff)
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});
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serialPort.on('data', (data) => {
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console.log('Received data:', data);
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// Process the response to check if the box was opened successfully
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});
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serialPort.on('error', (error) => {
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console.error('Error:', error);
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});
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}
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})
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.catch((error) => {
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console.error('Error listing serial ports:', error);
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});
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}
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async function serialPort(req, res) {
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const buff = Buffer.allocUnsafe(4);
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buff.writeUInt8(`#0${req.params.id}$`);
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const result = await serialport.write(buff)
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res.send(result)
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// serialport.open(function (err) {
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// if (err) {
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// return console.log('Error opening port: ', err.message);
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// }
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// // Because there's no callback to write, write errors will be emitted on the port:
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// serialport.write('main screen turn on');
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// })
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// serialport.on('error', function (err) {
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// console.log('Error: ', err.message);
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// })
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// serialport.on('readable', function () {
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// console.log('Data:', serialport.read());
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// })
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// serialport.on('data', function (data) {
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// console.log('Data:', data);
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// })
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}
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export default serialPortList
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