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134 lines
3.5 KiB
JavaScript
134 lines
3.5 KiB
JavaScript
const { SerialPort } = require('serialport')
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const express = require('express')
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const tmi = require('tmi.js');
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const { init, translate, circle, rectangle, to, label } = require("./hpgl.js");
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let distance = 3;
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const app = express()
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const client = new tmi.Client({
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channels: ['twitchplaysplotter']
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});
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client.connect();
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const port = new SerialPort({
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path: '/dev/ttyUSB0',
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baudRate: 9600,
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})
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const toPlotter = (message) => {
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console.log("i will write to plotter ", message);
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port.write(message, function (err) {
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if (err) {
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return console.log('Error on write: ', err.message)
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}
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console.log('message written: ', message)
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})
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}
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// Open errors will be emitted as an error event
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port.on('error', function (err) {
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console.log('Error: ', err.message)
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})
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port.on("open", function () {
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console.log('open');
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port.on('data', function (data) {
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console.log(data);
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});
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});
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// GET /text?message={message}
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app.post('/text', (req, res) => {
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toPlotter(`SI0.5,0.8;LB${req.query.message};`);
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res.send(`SI0.5,0.8;LB${req.query.message};`)
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});
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// GET /direct?message={message}
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app.post('/direct', (req, res) => {
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toPlotter(`${req.query.message}`);
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res.send(`${req.query.message}`)
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});
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app.use(express.static('public'))
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app.listen(3001, () => {
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console.log(`Example app listening on port`)
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})
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const parseMessage = (message) => {
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message = message.trim();
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if (message.toLowerCase().startsWith("lb")) {
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var words = message.toLowerCase().replace("lb", "");
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toPlotter(label(words));
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} else if (message.toLowerCase().startsWith("distance")) {
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console.log("do: ", message);
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var value = Number(message.replace("distance ", ""));
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console.log("do the value of ", value);
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distance = value;
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} else {
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switch (message.toLowerCase()) {
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case 'init':
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toPlotter(init());
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break;
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case 'reset':
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distance = 3;
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toPlotter(init());
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toPlotter(to(0,0));
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toPlotter(init());
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break;
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case 'pu':
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toPlotter(`PU;`);
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break;
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case 'pd':
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toPlotter(`PD;`);
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break;
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case 'up':
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toPlotter(translate(0, distance * -1));
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break;
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case 'down':
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toPlotter(translate(0, distance));
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break;
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case 'left':
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toPlotter(translate(distance * -1, 0));
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break;
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case 'right':
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toPlotter(translate(distance, 0));
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break;
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case 'rectangle':
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toPlotter(rectangle(distance));
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break;
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case 'circle':
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toPlotter(circle(distance));
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break;
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default:
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console.log("Message not recognized");
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break;
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}
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}
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}
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client.on('message', (channel, tags, message, self) => {
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console.log(`${tags['display-name']}: ${message}`);
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parseMessage(message)
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});
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const readline = require('node:readline').createInterface({
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input: process.stdin,
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output: process.stdout,
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});
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const askQuestion = message => {
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console.log(`sending ${message}! \n`);
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readline.question(`What do you want the plotter to do? \n`, askQuestion);
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parseMessage(message)
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}
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readline.question(`What do you want the plotter to do?`, askQuestion); |