@embedded-js/wifi-connection-manager

Embedded : WiFi connection manager

[!IMPORTANT] This module is ESM only.

A robust solution to manage Wi-Fi connections in embedded systems using the Moddable SDK. WiFiConnectionManager simplifies the process of maintaining an active connection to a Wi-Fi access point.

Features

• Auto-reconnect: Automatically retries connection if unavailable at startup or dropped during runtime.
• Connection lifecycle management: Allows clean disconnection using close.
• Redundant message suppression: Filters out repetitive WiFi.disconnect messages.
• Convenient readiness check: Use the ready getter to quickly determine if Wi-Fi is connected.
• Connection timeout handling: Forces a disconnect and retries if no IP address is assigned within a configurable timeout.
• Graceful recovery: Waits a configurable duration after an unforced disconnect for a clean reconnect.
• Multiple access points: Attempts connection to access points in order from a provided list.

Installation

npm install @embedded-js/wifi-connection-manager

import Net from "net"; // From moddable SDK
import { WiFiConnectionManager } from "@embedded-js/wifi-connection-manager";

const manager = new WiFiConnectionManager(
  [
    // First access point to attempt
    {
      ssid: "Freebox-ScreamZ",
      password: "invalid!", // Invalid password for testing in a simulator
    },
    // Second access point to attempt
    {
      ssid: "Freebox-ScreamZ",
      password: "good_password",
    },
  ],
  (message) => {
    switch (msg) {
      case WiFiConnectionManager.gotIP.connected:
        break; // still waiting for IP address
      case WiFiConnectionManager.gotIP.gotIP:
        trace(`IP address ${Net.get("IP")}\n`);
        break;
      case WiFiConnectionManager.gotIP.disconnected:
        break; // connection lost
    }
  }
);

// Example: Checking if connected (procedural way)
if (manager.ready) {
  console.log("Wi-Fi is connected!");
}

// Close connection when needed
manager.close();