Artefact from 14 ‎January ‎2024, ‏‎21:04:05.

esp32WiFi.ino

#include <WiFi.h>

const char* ssid     = "ssid";
const char* password = "password";

int btnGPIO = 0;
int btnState = false;

void setup()
{
    Serial.begin(115200);
    delay(10);

    // Set GPIO0 Boot button as input
    pinMode(btnGPIO, INPUT);

    // We start by connecting to a WiFi network
    // To debug, please enable Core Debug Level to Verbose

    Serial.println();
    Serial.print("[WiFi] Connecting to ");
    Serial.println(ssid);

    WiFi.begin(ssid, password);
    // Auto reconnect is set true as default
    // To set auto connect off, use the following function
    //    WiFi.setAutoReconnect(false);

    // Will try for about 10 seconds (20x 500ms)
    int tryDelay = 500;
    int numberOfTries = 20;

    // Wait for the WiFi event
    while (true) {
        
        switch(WiFi.status()) {
          case WL_NO_SSID_AVAIL:
            Serial.println("[WiFi] SSID not found");
            break;
          case WL_CONNECT_FAILED:
            Serial.print("[WiFi] Failed - WiFi not connected! Reason: ");
            return;
            break;
          case WL_CONNECTION_LOST:
            Serial.println("[WiFi] Connection was lost");
            break;
          case WL_SCAN_COMPLETED:
            Serial.println("[WiFi] Scan is completed");
            break;
          case WL_DISCONNECTED:
            Serial.println("[WiFi] WiFi is disconnected");
            break;
          case WL_CONNECTED:
            Serial.println("[WiFi] WiFi is connected!");
            Serial.print("[WiFi] IP address: ");
            Serial.println(WiFi.localIP());
            return;
            break;
          default:
            Serial.print("[WiFi] WiFi Status: ");
            Serial.println(WiFi.status());
            break;
        }
        delay(tryDelay);
        
        if(numberOfTries <= 0){
          Serial.print("[WiFi] Failed to connect to WiFi!");
          // Use disconnect function to force stop trying to connect
          WiFi.disconnect();
          return;
        } else {
          numberOfTries--;
        }
    }
}

void loop()
{
    // Read the button state
    btnState = digitalRead(btnGPIO);
    
    if (btnState == LOW) {
      // Disconnect from WiFi
      Serial.println("[WiFi] Disconnecting from WiFi!");
      // This function will disconnect and turn off the WiFi (NVS WiFi data is kept)
      if(WiFi.disconnect(true, false)){
        Serial.println("[WiFi] Disconnected from WiFi!");
      }
      delay(1000);
    }
}