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