#define RLED 14
#define BLED 12
#define GLED 13

/* ESP32 WiFi Scanning example */

#include "WiFi.h"

void setup() {
  Serial.begin(115200); // Initialize serial communication at 115200 baud rate
  Serial.println("Initializing WiFi...");
  WiFi.mode(WIFI_STA); // Set WiFi to station mode
  Serial.println("Setup done!");

  // Set LED pins as outputs
  pinMode(RLED, OUTPUT);
  pinMode(BLED, OUTPUT);
  pinMode(GLED, OUTPUT);
}

void loop() {
  // Blink the red LED
  digitalWrite(RLED, HIGH); // Turn on the red LED
  delay(1000); // Wait for 1 second
  digitalWrite(RLED, LOW); // Turn off the red LED
  delay(1000); // Wait for 1 second

  // Blink the blue LED
  digitalWrite(BLED, HIGH); // Turn on the blue LED
  delay(1000); // Wait for 1 second
  digitalWrite(BLED, LOW); // Turn off the blue LED
  delay(1000); // Wait for 1 second

  // Blink the green LED
  digitalWrite(GLED, HIGH); // Turn on the green LED
  delay(1000); // Wait for 1 second
  digitalWrite(GLED, LOW); // Turn off the green LED
  delay(1000); // Wait for 1 second

  Serial.println("Scanning...");

  // WiFi.scanNetworks will return the number of networks found
  int n = WiFi.scanNetworks();
  Serial.println("Scan done!");
  if (n == 0) {
    Serial.println("No networks found.");
  } else {
    Serial.println();
    Serial.print(n);
    Serial.println(" networks found");
    for (int i = 0; i < n; ++i) {
      // Print SSID and RSSI for each network found
      Serial.print(i + 1);
      Serial.print(": ");
      Serial.print(WiFi.SSID(i));
      Serial.print(" (");
      Serial.print(WiFi.RSSI(i));
      Serial.print(")");
      Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN) ? " " : "*");
      delay(10);
    }
  }
  Serial.println("");

  // Wait a bit before scanning again
  delay(5000);
}