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148 lines
3.5 KiB
JavaScript

const { SerialPort } = require('serialport')
const express = require('express')
const bodyParser = require('body-parser')
const app = express()
const movement = 1000;
// Create a port
const port = new SerialPort({
path: '/dev/ttyUSB0',
baudRate: 9600,
})
// app.use(bodyParser.json());
const toPlotter = (message) => {
console.log("i will write to plotter ", message);
port.write(message, function (err) {
if (err) {
return console.log('Error on write: ', err.message)
}
console.log('message written: ', message)
})
}
// Open errors will be emitted as an error event
port.on('error', function (err) {
console.log('Error: ', err.message)
})
port.on("open", function () {
console.log('open');
port.on('data', function (data) {
console.log(data);
});
});
app.post('/init', (req, res) => {
toPlotter(`IN;SC0,0,100,0,100;SP1;PA60,60;PU`)
res.send('Initialise the plotter')
})
app.post('/pen-up', (req, res) => {
toPlotter(`PU;`);
res.send("Sending a message to the plotter about PU;",)
});
app.post('/pen-down', (req, res) => {
toPlotter(`PD;`);
res.send("Sending a message to the plotter about PD;",)
});
app.post('/move-left', (req, res) => {
toPlotter(`PR-${movement},0;`);
res.send("Sending a message to the plotter about PR-10,0;",)
});
app.post('/move-right', (req, res) => {
toPlotter(`PR${movement},0;`);
res.send("Sending a message to the plotter about PR10,0;",)
});
app.post('/move-up', (req, res) => {
toPlotter(`PR0,${movement},0;`);
res.send("Sending a message to the plotter about PR0,10;",)
});
app.post('/move-down', (req, res) => {
toPlotter(`PR0,-${movement};`);
res.send("Sending a message to the plotter about PR0,-10;",)
});
// GET /text?message={message}
app.post('/text', (req, res) => {
toPlotter(`SI0.5,0.8;LB${req.query.message};`);
res.send(`SI0.5,0.8;LB${req.query.message};`)
});
// GET /direct?message={message}
app.post('/direct', (req, res) => {
toPlotter(`${req.query.message}`);
res.send(`${req.query.message}`)
});
app.use(express.static('public'))
app.listen(3000, () => {
console.log(`Example app listening on port`)
})
const tmi = require('tmi.js');
const client = new tmi.Client({
channels: ['twitchplaysplotter']
});
client.connect();
let penIsUp = false;
var initMessage = "IN;SC0,0,100,0,100;";
client.on('message', (channel, tags, message, self) => {
console.log("\n");
console.log(`${tags['display-name']}: ${message}`);
switch (message.toLowerCase()) {
case 'pu':
console.log("Performing a PU");
toPlotter(initMessage);
toPlotter(`PU;`);
break;
case 'pd':
toPlotter(initMessage);
toPlotter(`PD;`);
break;
case 'up':
toPlotter(initMessage);
console.log("Performing a move UP");
toPlotter(`PR0,100;`);
break;
case 'down':
toPlotter(initMessage);
toPlotter(`PR0,-100;`);
break;
case 'left':
toPlotter(initMessage);
console.log("Performing a move LEFT");
toPlotter(`PR-100,0;`);
break;
case 'right':
toPlotter(initMessage);
console.log("Performing a move RIGHT");
toPlotter(`PR100,0;`);
break;
default:
toPlotter(initMessage);
console.log("Message not recognized");
break;
}
});