92 lines
2.1 KiB
JavaScript
92 lines
2.1 KiB
JavaScript
const { SerialPort } = require('serialport')
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const { DelimiterParser } = require('@serialport/parser-delimiter')
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const osc = require("osc")
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// Create an osc.js UDP Port listening on port 57121.
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const udpPort = new osc.UDPPort({
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localAddress: "0.0.0.0",
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localPort: 57129,
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metadata: true
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});
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// Listen for incoming OSC messages.
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udpPort.on("message", function (oscMsg, timeTag, info) {
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console.log("An OSC message just arrived!", oscMsg);
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console.log("Remote info is: ", info);
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});
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// Open the socket.
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udpPort.open();
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const { fft, util } = require("fft-js");
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const port = new SerialPort({
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path: '/dev/ttyUSB1',
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baudRate: 115200,
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autoOpen: false,
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})
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port.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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port.write('main screen turn on')
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})
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// The open event is always emitted
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port.on('open', function () {
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// open logic
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})
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let signals = [];
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let numDevices = 2;
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for (let i = 0; i < numDevices; i++) {
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signals[i] = [];
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}
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const parser = port.pipe(new DelimiterParser({ delimiter: "\n" }))
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parser.on("data", (data) => {
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let xyzs = data.toString().replace(/\s/g, "").split(",");
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let results = [];
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if (xyzs.length == 3 * numDevices) {
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for (let i = 0; i < numDevices; i++) {
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let signal = signals[i];
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let x = parseFloat(xyzs[3 * i + 0]);
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let y = parseFloat(xyzs[3 * i + 1]);
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let z = parseFloat(xyzs[3 * i + 2]);
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signal.push(Math.sqrt(x * x + y * y + z * z));
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if (signal.length > 16) {
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signal.shift();
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let p = fft(signal);
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let mag = util.fftMag(p);
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let value = Math.min(1, mag[7] * 2);
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results.push(value);
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udpPort.send({
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address: "/ctrl",
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args: [
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{
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type: "s",
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value: "s" + i
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},
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{
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type: "f",
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value
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},
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]
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}, "127.0.0.1", 6010);
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}
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}
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}
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if (results.length > 0) {
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console.log(results);
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}
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});
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