Add helper function to convert IP

Author: sebromero

libraries/WiFi/src/WiFi.cpp

@@ -10,6 +10,11 @@ bool arduino::WiFiClass::isVisible(char* ssid) {
     return false;
 }
 
+arduino::IPAddress arduino::WiFiClass::ipAddressFromSocketAddress(SocketAddress socketAddress) {
+    nsapi_addr_t address = socketAddress.get_addr();
+    return IPAddress(address.bytes[0], address.bytes[1], address.bytes[2], address.bytes[3]);    
+}
+
 int arduino::WiFiClass::begin(char* ssid, const char *passphrase) {
     if (_ssid) free(_ssid);
 

libraries/WiFi/src/WiFi.h

@@ -308,6 +308,7 @@ class WiFiClass
 
     void ensureDefaultAPNetworkConfiguration();
     bool isVisible(char* ssid);
+    arduino::IPAddress ipAddressFromSocketAddress(SocketAddress socketAddress);
     char* _ssid;
     WiFiInterface* wifi_if;
     voidPrtFuncPtr cb;