Wifi switch, but not working ;-(

WiModbusGateway.cpp

@@ -14,7 +14,7 @@
 #include <avr/wdt.h>
 
 
-
+const uint8_t WIFI_ENABLE_PIN = 4;
 
 
 LiquidCrystal lcd = LiquidCrystal(A0, A1, A2, A3, A4, A5);
@@ -68,6 +68,11 @@ void printWifiStatus() {
 }
 
 void setup() {
+  pinMode(WIFI_ENABLE_PIN, INPUT_PULLUP);
+  delay(100);
+  wifiEnabled = true; // (digitalRead(WIFI_ENABLE_PIN) != 0);
+
+
   Serial.begin(57600);
   while (!Serial) {
     ; // wait for serial port to connect. Needed for Leonardo only
@@ -169,6 +174,8 @@ void updateDisplay() {
       uint8_t wifiStatus = WiFi.status();
       lcd.print(wifiStatus);
       lcd.print(disconnectState);
+    } else {
+      lcd.print("no wifi");
     }
 
     lcd.setCursor(0, 1);