Merge pull request #54 from brentru/add-esp32spi-simpletest

Add esp32spi simpletest

Author: brentru

examples/adafruit_io_http/adafruit_io_simpletest_esp32spi.py

@@ -0,0 +1,71 @@
+# adafruit_circuitpython_adafruitio usage with an esp32spi_socket
+from random import randint
+import board
+import busio
+from digitalio import DigitalInOut
+import adafruit_esp32spi.adafruit_esp32spi_socket as socket
+from adafruit_esp32spi import adafruit_esp32spi
+import adafruit_requests as requests
+from adafruit_io.adafruit_io import IO_HTTP, AdafruitIO_RequestError
+
+# Add a secrets.py to your filesystem that has a dictionary called secrets with "ssid" and
+# "password" keys with your WiFi credentials. DO NOT share that file or commit it into Git or other
+# source control.
+# pylint: disable=no-name-in-module,wrong-import-order
+try:
+    from secrets import secrets
+except ImportError:
+    print("WiFi secrets are kept in secrets.py, please add them there!")
+    raise
+
+# 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)
+
+# If you have an externally connected ESP32:
+# esp32_cs = DigitalInOut(board.D9)
+# esp32_ready = DigitalInOut(board.D10)
+# esp32_reset = DigitalInOut(board.D5)
+
+spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
+esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
+
+print("Connecting to AP...")
+while not esp.is_connected:
+    try:
+        esp.connect_AP(secrets["ssid"], secrets["password"])
+    except RuntimeError as e:
+        print("could not connect to AP, retrying: ", e)
+        continue
+print("Connected to", str(esp.ssid, "utf-8"), "\tRSSI:", esp.rssi)
+
+socket.set_interface(esp)
+requests.set_socket(socket, esp)
+
+# Set your Adafruit IO Username and Key in secrets.py
+# (visit io.adafruit.com if you need to create an account,
+# or if you need your Adafruit IO key.)
+aio_username = secrets["aio_username"]
+aio_key = secrets["aio_key"]
+
+# Initialize an Adafruit IO HTTP API object
+io = IO_HTTP(aio_username, aio_key, requests)
+
+try:
+    # Get the 'temperature' feed from Adafruit IO
+    temperature_feed = io.get_feed("temperature")
+except AdafruitIO_RequestError:
+    # If no 'temperature' feed exists, create one
+    temperature_feed = io.create_new_feed("temperature")
+
+# Send random integer values to the feed
+random_value = randint(0, 50)
+print("Sending {0} to temperature feed...".format(random_value))
+io.send_data(temperature_feed["key"], random_value)
+print("Data sent!")
+
+# Retrieve data value from the feed
+print("Retrieving data from temperature feed...")
+received_data = io.receive_data(temperature_feed["key"])
+print("Data from temperature feed: ", received_data["value"])