Create WifiScan.ino

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WifiScan.ino

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+#include <TFT_eSPI.h>
+#include <SPI.h>
+#include "AtWiFi.h"
+
+#define TFT_GREY 0x5AEB // new colour
+
+TFT_eSPI tft = TFT_eSPI();
+
+String wifiSSID[10];
+String wifiRSSI[10];
+String wifiSEC[10];
+
+void setup() {
+    Serial.begin(115200);
+tftStart();
+    // Set WiFi to station mode and disconnect from an AP if it was previously connected
+    WiFi.mode(WIFI_STA);
+    WiFi.disconnect();
+    delay(100);
+
+    Serial.println("Setup done");
+}
+
+void loop() {
+   wifiScan();
+}
+
+void tftStart () {
+  tft.init();
+  tft.setRotation(3);
+
+
+}
+void tftReset (){
+  tft.fillScreen(TFT_GREY);
+  tft.setCursor(10, 5, 2);
+  tft.setTextColor(TFT_WHITE, TFT_BLACK); tft.setTextSize(1);
+}
+
+void wifiScan() {
+
+  Serial.println("scan start");
+
+    // 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");
+        tftReset();
+        tft.print("No network Found");
+    } else {
+        Serial.print(n);
+        Serial.println(" networks found");
+        tftReset();
+        tft.print("network Found !: ");
+        tft.println(n);
+
+        for (int i = 0; i < 9;++i) {
+            // Print SSID and RSSI for each network found
+        Serial.print(WiFi.SSID(i));
+        Serial.print(" ");
+        Serial.println(WiFi.encryptionType(i));
+        if (WiFi.SSID(i) != 0) {
+           wifiSSID[i] = WiFi.SSID(i);
+           wifiRSSI[i] = WiFi.RSSI(i);
+           wifiSEC[i] = WiFi.encryptionType(i);
+           tft.print(wifiSSID[i]);
+           tft.print(" > RSSI: ");
+           tft.println(wifiRSSI[i]); 
+        }
+        }
+    }
+    Serial.println("");
+
+    // Wait a bit before scanning again
+    delay(5000);
+}