add ota authentification

platformio.ini

@@ -13,4 +13,7 @@ platform = espressif32
 board = lolin32
 framework = arduino
 monitor_speed = 115200
-upload_speed = 921600
+upload_speed = 921600
+
+upload_flags =
+    --auth=MCH2022OTA

src/simpleota.cpp

@@ -34,6 +34,8 @@ bool initOTA() {
     Serial.print("IP address: ");
     Serial.println(WiFi.localIP());
 
+    ArduinoOTA.setPassword((const char *)OTA_PASSWORD);
+
     ArduinoOTA
             .onStart([]() {
                 otaMode = UPDATING;

src/simpleota.h

@@ -9,6 +9,7 @@
 #define OTA_WIFI_SSID       "Chaos-West temp alternative"
 #define OTA_WIFI_PASSWORD   ""
 #define OTA_WAIT_TIMEOUT    1000     // in 0.1s increments -> 10s
+#define OTA_PASSWORD        "MCH2022OTA"  //password needed for ota flashing
 
 void checkOTA();
 bool initOTA();