Moved call of socket_listen with SNMR_UDP to adafruit_wiznet5k_socket…

….bind()

adafruit_wiznet5k/adafruit_wiznet5k.py

@@ -554,7 +554,7 @@ def get_socket(self):
         return sock
 
     def socket_listen(self, socket_num, port, conn_mode=SNMR_TCP):
-        """Start listening on a socket (TCP mode only).
+        """Start listening on a socket (default TCP mode).
         :parm int socket_num: socket number
         :parm int port: port to listen on
         """
@@ -580,9 +580,6 @@ def socket_listen(self, socket_num, port, conn_mode=SNMR_TCP):
             if status[0] == SNSR_SOCK_CLOSED:
                 raise RuntimeError("Listening socket closed.")
 
-    def socket_listen_udp(self, socket_num, port):
-        self.socket_listen(socket_num, port, SNMR_UDP)
-
     def socket_accept(self, socket_num):
         """Gets the dest IP and port from an incoming connection.
         Returns the next socket number so listening can continue

adafruit_wiznet5k/adafruit_wiznet5k_socket.py

@@ -181,10 +181,12 @@ def bind(self, address):
             if ip_address != current_ip:
                 _the_interface.ifconfig = (ip_address, subnet_mask, gw_addr, dns)
         self._listen_port = address[1]
-        # For UDP servers we need to open the socket here because we won't call 
+        # For UDP servers we need to open the socket here because we won't call
         # listen
         if self._sock_type == SOCK_DGRAM:
-            _the_interface.socket_listen_udp(self.socknum, self._listen_port)
+            _the_interface.socket_listen(
+                self.socknum, self._listen_port, wiznet5k.adafruit_wiznet5k.SNMR_UDP
+            )
             self._buffer = b""
 
     def listen(self, backlog=None):