84 lines
2.5 KiB
JavaScript
84 lines
2.5 KiB
JavaScript
const WebSocket = require("ws");
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const EventEmitter = require("events");
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class FluidNCClient extends EventEmitter {
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constructor(cfg) {
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super();
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this.host = cfg.host;
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this.port = cfg.port || 81;
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this.ws = null;
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this.reconnectDelay = 2000;
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this.connect();
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}
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connect() {
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const url = `ws://${this.host}:${this.port}`;
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console.log("[FluidNC] Connecting to:", url);
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this.ws = new WebSocket(url);
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this.ws.on("open", () => {
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console.log("[FluidNC] Connected (WS)");
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});
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this.ws.on("message", (msg) => {
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// console.log("[FluidNC] Received from FluidNC:", msg.toString());
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// ExampleMessgae: <Idle|MPos:0.000,0.000,0.000|FS:0,0|Pn:P|WCO:0.000,0.000,-70.000>
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// <Idle|MPos:0.000,0.000,0.000|FS:0,0|Pn:P>
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if (!msg.toString().includes("<Idle|MPos:") && msg.toString() != "ok") {
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console.log("[FluidNC] Received from FluidNC:", msg.toString());
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}
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this.emit("message", msg.toString());
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});
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this.ws.on("close", () => {
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console.log("[FluidNC] Disconnected → retry");
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setTimeout(() => this.connect(), this.reconnectDelay);
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});
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this.ws.on("error", (err) => {
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console.log("[FluidNC] WS Error:", err.message);
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});
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this.ws.on("unexpected-response", (req, res) => {
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console.log("[FluidNC] WS Unexpected Response:", res.statusCode, res.statusMessage);
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});
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this.ws.on("disconnect", () => {
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console.log("[FluidNC] WS Disconnected");
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});
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}
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sendLine(cmd) {
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if (this.ws && this.ws.readyState === WebSocket.OPEN) {
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this.ws.send(cmd + "\n");
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}
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}
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requestStatus() {
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this.sendLine("?");
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}
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jog(relative, axis, value) {
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// $J= um den Befehl als Jog zu kennzeichnen
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// G91 für relative Bewegungen (G90 für absolute)
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// G1 Linearbewegung
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//const cmd = relative? `$J=G91 G1 ${axis}${value} F2000\r\n`: `$J=G90 G1 ${axis}${value} F2000\r\n`;
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const cmd = relative? `G91 G1 ${axis}${value} F2000\r\n`: `G90 G1 ${axis}${value} F2000\r\n`;
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console.log("[FluidNC] Jog Command:", cmd);
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this.sendLine(cmd);
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}
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sendGcode(cmd) {
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this.sendLine(cmd);
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}
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onMessage(fn) {
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this.on("message", fn);
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}
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}
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module.exports = FluidNCClient; |