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Pico_W5500_Echo_Demo.py
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Pico_W5500_Echo_Demo.py
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import board
import busio
import digitalio
import time
from adafruit_wiznet5k.adafruit_wiznet5k import WIZNET5K
import adafruit_wiznet5k.adafruit_wiznet5k_socket as socket
SPI1_SCK = board.GP10
SPI1_TX = board.GP11
SPI1_RX = board.GP12
SPI1_CSn = board.GP13
W5500_RSTn = board.GP15
print("Wiznet5k SimpleServer Test (DHCP)")
# Setup your network configuration below
# random MAC, later should change this value on your vendor ID
MY_MAC = (0x00, 0x01, 0x02, 0x03, 0x04, 0x05)
IP_ADDRESS = (192, 168, 0, 111)
SUBNET_MASK = (255, 255, 0, 0)
GATEWAY_ADDRESS = (192, 168, 0, 1)
DNS_SERVER = (8, 8, 8, 8)
led = digitalio.DigitalInOut(board.GP25)
led.direction = digitalio.Direction.OUTPUT
ethernetRst = digitalio.DigitalInOut(W5500_RSTn)
ethernetRst.direction = digitalio.Direction.OUTPUT
# For Adafruit Ethernet FeatherWing
cs = digitalio.DigitalInOut(SPI1_CSn)
# For Particle Ethernet FeatherWing
# cs = digitalio.DigitalInOut(board.D5)
spi_bus = busio.SPI(SPI1_SCK, MOSI=SPI1_TX, MISO=SPI1_RX)
# Reset W5500 first
ethernetRst.value = False
time.sleep(1)
ethernetRst.value = True
# # Initialize ethernet interface without DHCP
# eth = WIZNET5K(spi_bus, cs, is_dhcp=False, mac=MY_MAC, debug=True)
# # Set network configuration
# eth.ifconfig = (IP_ADDRESS, SUBNET_MASK, GATEWAY_ADDRESS, DNS_SERVER)
# Initialize ethernet interface with DHCP
eth = WIZNET5K(spi_bus, cs, is_dhcp=True, mac=MY_MAC, debug=True)
print("Chip Version:", eth.chip)
print("MAC Address:", [hex(i) for i in eth.mac_address])
print("My IP address is:", eth.pretty_ip(eth.ip_address))
# Initialize a socket for our server
socket.set_interface(eth)
server = socket.socket() # Allocate socket for the server
server_ip = None # 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
conn, addr = server.accept() # Wait for a connection from a client.
print("socket connected")
while True:
# Maintain DHCP lease
eth.maintain_dhcp_lease()
led.value = not led.value
time.sleep(1)
with conn:
# data = conn.recv()
# print(data)
# conn.send(data) # Echo message back to client
while True:
data = conn.recv(10)
if data:
print(data)
conn.send(data) # Echo message back to client
break
print("Done!")