# SPDX-FileCopyrightText: 2019 ladyada for Adafruit Industries # SPDX-License-Identifier: MIT import os import board import busio from digitalio import DigitalInOut import adafruit_connection_manager import adafruit_requests from adafruit_esp32spi import adafruit_esp32spi print("ESP32 SPI webclient test") TEXT_URL = "http://wifitest.adafruit.com/testwifi/index.html" JSON_URL = "http://api.coindesk.com/v1/bpi/currentprice/USD.json" # If you are using a board with pre-defined ESP32 Pins: esp32_cs = DigitalInOut(board.ESP_CS) esp32_ready = DigitalInOut(board.ESP_BUSY) esp32_reset = DigitalInOut(board.ESP_RESET) spi = busio.SPI(board.SCK, board.MOSI, board.MISO) esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset) pool = adafruit_connection_manager.get_radio_socketpool(esp) ssl_context = adafruit_connection_manager.get_radio_ssl_context(esp) requests = adafruit_requests.Session(pool, ssl_context) if esp.status == adafruit_esp32spi.WL_IDLE_STATUS: print("ESP32 found and in idle mode") print("Firmware vers.", esp.firmware_version) print("MAC addr:", [hex(i) for i in esp.MAC_address]) for ap in esp.scan_networks(): print("\t%s\t\tRSSI: %d" % (str(ap["ssid"], "utf-8"), ap["rssi"])) print("Connecting to AP...") while not esp.is_connected: try: esp.connect_AP(os.getenv('CIRCUITPY_WIFI_SSID'), os.getenv('CIRCUITPY_WIFI_PASSWORD')) except OSError as e: print("could not connect to AP, retrying: ", e) continue print("Connected to", str(esp.ssid, "utf-8"), "\tRSSI:", esp.rssi) print("My IP address is", esp.pretty_ip(esp.ip_address)) print( "IP lookup adafruit.com: %s" % esp.pretty_ip(esp.get_host_by_name("adafruit.com")) ) print("Ping google.com: %d ms" % esp.ping("google.com")) # esp._debug = True print("Fetching text from", TEXT_URL) r = requests.get(TEXT_URL) print("-" * 40) print(r.text) print("-" * 40) r.close() print() print("Fetching json from", JSON_URL) r = requests.get(JSON_URL) print("-" * 40) print(r.json()) print("-" * 40) r.close() print("Done!")