license info for new file. use dhcp instaed of static. rename new example.

Author: FoamyGuy

examples/client_for_wiznet5k_simpleserver.py renamed to examples/wiznet5k_cpython_client_for_simpleserver.py

@@ -1,10 +1,20 @@
+# SPDX-FileCopyrightText: 2023 ladyada
+#
+# SPDX-License-Identifier: MIT
 #!/usr/bin/env python3
+
+"""
+This example client runs on CPython and connects to / sends data to the
+simpleserver example.
+"""
 import socket
 import time
 
 print("A simple client for the wiznet5k_simpleserver.py example in this directory")
-print("Run this on any device connected to the same network as the server, after "
-      "editing this script with the correct HOST & PORT\n")
+print(
+    "Run this on any device connected to the same network as the server, after "
+    "editing this script with the correct HOST & PORT\n"
+)
 # Or, use any TCP-based client that can easily send 1024 bytes. For example:
 #     python -c 'print("1234"*256)' | nc 192.168.10.1 50007
 
@@ -22,9 +32,9 @@
     print(f"Connecting to {HOST}:{PORT}")
     s.connect((HOST, PORT))
     # wiznet5k_simpleserver.py wants exactly 1024 bytes
-    size = s.send(b'A5'*512)
+    size = s.send(b"A5" * 512)
     print("Sent", size, "bytes")
     buf = s.recv(MAXBUF)
-    print('Received', buf)
+    print("Received", buf)
     s.close()
     time.sleep(INTERVAL)

examples/wiznet5k_simpleserver.py

@@ -18,12 +18,12 @@
 spi_bus = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
 
 # Initialize ethernet interface
-eth = WIZNET5K(spi_bus, cs, is_dhcp=False)
+eth = WIZNET5K(spi_bus, cs, is_dhcp=True)
 
 # Initialize a socket for our server
 socket.set_interface(eth)
 server = socket.socket()  # Allocate socket for the server
-server_ip = "192.168.10.1"  # IP address of server
+server_ip = eth.pretty_ip(eth.ip_address)  # IP address of server
 server_port = 50007  # Port to listen on
 server.bind((server_ip, server_port))  # Bind to IP and Port
 server.listen()  # Begin listening for incoming clients