UDP Server ESP32SPI read-only (very rudimentary)

code.py

import time
import board
import busio
from digitalio import DigitalInOut
import adafruit_esp32spi.adafruit_esp32spi_socket as socket
from adafruit_esp32spi import adafruit_esp32spi

from secrets import secrets


PORT = 5000


spi = board.SPI()

esp32_cs = DigitalInOut(board.ESP_CS)
esp32_ready = DigitalInOut(board.ESP_BUSY)
esp32_reset = DigitalInOut(board.ESP_RESET)

esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
socket.set_interface(esp)

esp.connect_AP(secrets["ssid"], secrets["password"])
print("Connected:", "RSSI =", esp.rssi)

s = socket.socket(type=socket.SOCK_DGRAM)
esp.start_server(PORT, s.socknum, conn_mode=1)  # ip=
while True:
    numbytes_avail = esp.socket_available(s.socknum)
    if numbytes_avail:
        print(numbytes_avail)
        bytes_read = esp.socket_read(s.socknum, numbytes_avail)
        print(bytes_read)

Arduino functions WiFiUDP.remoteIP() and WiFiUDP.remotePort() are accessed by NINA firmware function getRemoteData() (command code 0x3A), which is unimplemented in the ESP32SPI library as of v4.0.2.

NINA firmware function getRemoteData() is now exposed in the ESP32SPI library as of v4.2.0.