Raspberry Pi Pico + WIZ850io(W5500) Ethernet 환경 구성하기 - (2)

Raspberry pi Pico + WIZ850io(W5500) 하드웨어 연결

Raspberry Pi Pico Pinout

 

WIZnet_WIZ850io

 

SPI1_SCK ----> WIZ850io SCLK

SPI1_TX ----> WIZ850io MOSI

SPI1_RX ----> WIZ850io MISO

SPI1_CSn ----> WIZ850io SCNn

GP15 ----> WIZ850io RSTn

3.3V, GND

Raspberry Pi Pico connect to WIZ850io

 

1. pico-W5500 Library 다운로드

https://github.com/bjnhur/Adafruit_CircuitPython_Wiznet5k

 

상기 링크에서 하기 파일들을 다운로드하여 lib에 복사

- adafruit_wiznet5k

- adafruit_bus_device

- adafruit_request.mpy

W5500 library Download

2. IP address Ping Test

code.py source code

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, 100) 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!")

192.168.0.100

IP 설정 코드를 PC와 통신 되는 환경에 맞게 수정

Ping test

3. REPL 환경 설정

Putty를 통해 Serial Terminal 실행

Raspberry Pi Pico REFL

3-1 COM port는 장치 관리자에서 확인

REPL COM port

 

Raspberry Pi Pico + WIZ850io(W5500) Ethernet

Raspberry Pi Pico + WIZ850io(W5500)

 

Thank you.