Open API with clent

package-lock.json

@@ -12,6 +12,7 @@
         "@serialport/bindings": "^9.2.9",
         "@serialport/list": "^12.0.0",
         "chalk": "^4.1.2",
+        "cors": "^2.8.5",
         "dotenv": "^16.4.5",
         "express": "^4.18.3",
         "firmata": "^2.3.0",

package.json

@@ -15,6 +15,7 @@
     "@serialport/bindings": "^9.2.9",
     "@serialport/list": "^12.0.0",
     "chalk": "^4.1.2",
+    "cors": "^2.8.5",
     "dotenv": "^16.4.5",
     "express": "^4.18.3",
     "firmata": "^2.3.0",

src/handlers/socketHandler.ts

@@ -1,20 +1,22 @@
 import { Socket } from "socket.io";
+import { Pin } from "johnny-five";
 import { board } from "../setup";
 
 export default (socket: Socket) => {
     console.log(`${socket.id} | ${socket.client.request.headers.host} | Joined`);
 
-    socket.on("control-servo", (p: string, ang: string) => {
+    socket.on("servo", (p: string, ang: string) => {
         const pin = Number.parseInt(p);
         const angle = Number.parseInt(ang);
 
+        board.pinMode(pin, Pin.SERVO);
         board.servoWrite(pin, angle);
         console.log(socket.id, pin, angle);
     })
 
-    socket.on("read-photoresistor", (pin: string) => {
+    socket.on("set-photoresistor", (pin: string) => {
         board.analogRead(pin, (value) => {
-            socket.emit("read-photoresistor", value);
+            socket.emit("photoresistor", value);
             console.log(socket.id, "A"+pin, value);
         });
     })

src/index.ts

@@ -1,5 +1,6 @@
 import http from 'node:http';
 import express from 'express';
+import cors from 'cors';
 import { Server } from 'socket.io';
 import chalk from 'chalk';
 
@@ -23,6 +24,9 @@ const host: string = 'localhost';
 const port: number = 3000;
 
 // Express middleware
+app.use(cors({
+    origin: "*"
+}));
 app.use(express.json());
 app.use(express.static('client'));
 

test/serial/servo.ts

@@ -2,7 +2,7 @@ import { Board, Pin, PinMode } from "johnny-five";
 
 const board: Board = new Board({
     port: '/dev/ttyUSB0',
-    debug: false,
+    debug: true,
     repl: false
 });