added comments to Connectivity class

code/arduino/Movement-sensor-code/Connectivity.cpp

@@ -23,6 +23,7 @@ void Connectivity::connectWiFi(char* ssid, char* pass){
 const char* getServerURL = "http://145.92.8.132:443/get-ip";
 String ipAddress = ""; // string that will hold the server's IP address
 
+/** Fetch the IP address of pepper from the server */
 const char* Connectivity::fetchIPAddress() {
   char* ipAddress = NULL; // Declare ipAddress as a char*
   if (WiFi.status() == WL_CONNECTED) {
@@ -48,7 +49,7 @@ const char* Connectivity::fetchIPAddress() {
   } else {
     Serial.println("WiFi not connected");
   }
-  return ipAddress;  // Add this return statement
+  return ipAddress;
 }
 
 /** Send a POST request to a server with provided data */

code/arduino/Movement-sensor-code/Connectivity.h

@@ -14,7 +14,7 @@
 #include <ArduinoJson.h>
 
 
-
+// declare the class Connectivity with all functions
 class Connectivity { 
 public:
   void connectWiFi(char* ssid, char* pass);