Bongjun Hur
Published © MIT

How to add W5500 Ethernet to Raspberry Pi Pico (Python) - 1

HOWTO: Raspberry Pi Pico + WIZnet W5500 Ethernet + CircuitPython - Manual IP setting & Ping Demo

BeginnerProtip1 hour1,495
How to add W5500 Ethernet to Raspberry Pi Pico (Python) - 1

Things used in this project

Hardware components

Raspberry Pi Pico
Raspberry Pi Pico
×1
WIZnet WIZ850io
×1
Adafruit Ethernet FeatherWing
×1
W5500
WIZnet W5500
×1

Story

Read more

Schematics

Pico_WIZ850io

Pico_Wiz850io

Code

Pico_W5500_Ping_Test

Python
import board
import busio
import digitalio
import time
from adafruit_wiznet5k.adafruit_wiznet5k import WIZNET5K

SPI1_SCK = board.GP10
SPI1_TX = board.GP11
SPI1_RX = board.GP12
SPI1_CSn = board.GP13
W5500_RSTn = board.GP15

print("Wiznet5k Ping Test (no 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 with DHCP
# eth = WIZNET5K(spi_bus, cs)
# Initialize ethernet interface without DHCP
eth = WIZNET5K(spi_bus, cs, is_dhcp=False, mac=MY_MAC)

# Set network configuration
eth.ifconfig = (IP_ADDRESS, SUBNET_MASK, GATEWAY_ADDRESS, DNS_SERVER)

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))

while True:
    led.value = not led.value
    time.sleep(1)

print("Done!")

LED off

Python
"""Example for Pico. Turns on the built-in LED."""
import board
import digitalio

# led = digitalio.DigitalInOut(board.LED)
led = digitalio.DigitalInOut(board.GP25)
led.direction = digitalio.Direction.OUTPUT

while True:
    led.value = False

LED on

Python
"""Example for Pico. Turns on the built-in LED."""
import board
import digitalio

# led = digitalio.DigitalInOut(board.LED)
led = digitalio.DigitalInOut(board.GP25)
led.direction = digitalio.Direction.OUTPUT

while True:
    led.value = True

W5500_RESET_Test

Python
"""Example for Pico. Turns on the built-in LED."""
import time
import board
import digitalio

W5500_RSTn = board.GP15

# led = digitalio.DigitalInOut(board.LED)
led = digitalio.DigitalInOut(board.GP25)
led.direction = digitalio.Direction.OUTPUT

ethernetRst = digitalio.DigitalInOut(W5500_RSTn)
ethernetRst.direction = digitalio.Direction.OUTPUT

while True:
    led.value = not led.value
    ethernetRst.value = False
    time.sleep(1)
    ethernetRst.value = True
    time.sleep(5)

Credits

Bongjun Hur

Bongjun Hur

4 projects • 4 followers

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