Test code for WIZnet W5100S-EVB-Pico

code.py

import board
import busio
import digitalio
import time
from adafruit_wiznet5k.adafruit_wiznet5k import WIZNET5K
import adafruit_wiznet5k.adafruit_wiznet5k_socket as socket
import adafruit_requests as requests

SPI0_SCK = board.GP18
SPI0_TX = board.GP19
SPI0_RX = board.GP16
SPI0_CSn = board.GP17
W5x00_RSTn = board.GP20

MAC_ADDR = (0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED)

TEXT_URL = "http://wifitest.adafruit.com/testwifi/index.html"

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

eth_rst = digitalio.DigitalInOut(W5x00_RSTn)
eth_rst.direction = digitalio.Direction.OUTPUT

print("Init...")
spi = busio.SPI(SPI0_SCK, MOSI=SPI0_TX, MISO=SPI0_RX)
eth_cs = digitalio.DigitalInOut(SPI0_CSn)
eth = WIZNET5K(spi, eth_cs, reset=eth_rst, is_dhcp=True, mac=MAC_ADDR, hostname="W5100S", dhcp_timeout=30, debug=False)
# eth._debug = True

requests.set_socket(socket, eth)

print("Chip Version:", eth.chip)
print("MAC Address:", ":".join("%02X" % _ for _ in eth.mac_address))
print("IP Address:", eth.pretty_ip(eth.ip_address))

print("ifconfig...")
print("IP Address: ", eth.pretty_ip(eth.ifconfig[0]))
print("Subnet Mask:", eth.pretty_ip(eth.ifconfig[1]))
print("Gateway:    ", eth.pretty_ip(eth.ifconfig[2]))
print("DNS Server:", eth.ifconfig[3])

while True:

    led.value = not led.value
    print("Link Status:", eth.link_status)
    eth.maintain_dhcp_lease()

    print("Fetching text from", TEXT_URL)
    with requests.get(TEXT_URL, headers={"User-Agent": "Call My Agent"}) as r:
        print(r.status_code, r.reason, r.headers)
        print(r.text)

    time.sleep(60)

This revision is for testing the reset logic in WIZNET5K, as changed here: adafruit/Adafruit_CircuitPython_Wiznet5k#52

It removes all the external reset logic to prove the internal reset logic is working, but is not implying having external soft/hard reset functions is not useful.