#include <WiFi.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>

// define some the TFT pins
const int TFT_CS = 23;
const int TFT_DC = 21;


// Initialize display 
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);

  // setting up the TFT display
  tft.begin();  // tft display
  tft.fillScreen(ILI9341_BLACK);  // set the background color of the screen to black
  tft.setTextColor(ILI9341_WHITE);  // set the font color to white
  tft.setTextSize(3);
  tft.setCursor(0,0);
  tft.println("Connected");

  // set wifi to station mode
  WiFi.mode(WIFI_STA);
  // disconnect from an AP if it was previously connected
  WiFi.disconnect();
  delay(100);
}

void loop() {
  Serial.println("Scanning for networks...");

  // returning nbr of networks found
  int n = WiFi.scanNetworks();
  if(n==0)
    //Serial.println("No networks found");
    tft.println("No networks found");

  else{
    tft.print("Nbr of networks found = ");
    tft.println(n);
    // printing available networks on the serial monitor
    tft.println("Nr | SSID                             | RSSI | CH | Encryption");
        for (int i = 0; i < n; ++i) {
            // Print SSID and RSSI for each network found
            tft.printf("%2d",i + 1);
            tft.print(" | ");
            tft.printf("%-32.32s", WiFi.SSID(i).c_str());
            tft.print(" | ");
            tft.printf("%4d", WiFi.RSSI(i));
            tft.print(" | ");
            tft.printf("%2d", WiFi.channel(i));
            tft.print(" | ");
  }
  }
}