/* ESP32 WiFi Scanning example */
// Nama Anthony Suryadjie
// 2030511007

#include "WiFi.h"

void setup() {
  Serial.begin(115200);
  Serial.println("Initializing WiFi...");
  WiFi.mode(WIFI_STA);
  Serial.println("Setup done!");
  pinMode(15, INPUT); // menambahkan pin input push button
  pinMode(12, OUTPUT); 
}

void loop() {
  int i = digitalRead(15); // memasukan input pin pushbutton kedalam sebuah variable
  if(i == 1){ // membuat pengkondisian ketika int i bernilai true maka memulai scanning wifi
  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");
      digitalWrite(12, HIGH);
      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("");

    delay(5000);

  }
}