1  # SPDX-FileCopyrightText: 2019 ladyada for Adafruit Industries
 2  # SPDX-License-Identifier: MIT
 3  
 4  import time
 5  import board
 6  import busio
 7  from digitalio import DigitalInOut
 8  import neopixel
 9  from adafruit_esp32spi import adafruit_esp32spi
10  from adafruit_esp32spi import adafruit_esp32spi_wifimanager
11  
12  print("ESP32 SPI webclient test")
13  
14  # Get wifi details and more from a secrets.py file
15  try:
16      from secrets import secrets
17  except ImportError:
18      print("WiFi secrets are kept in secrets.py, please add them there!")
19      raise
20  
21  # If you are using a board with pre-defined ESP32 Pins:
22  esp32_cs = DigitalInOut(board.ESP_CS)
23  esp32_ready = DigitalInOut(board.ESP_BUSY)
24  esp32_reset = DigitalInOut(board.ESP_RESET)
25  
26  # If you have an externally connected ESP32:
27  # esp32_cs = DigitalInOut(board.D9)
28  # esp32_ready = DigitalInOut(board.D10)
29  # esp32_reset = DigitalInOut(board.D5)
30  
31  spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
32  esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
33  """Use below for Most Boards"""
34  status_light = neopixel.NeoPixel(
35      board.NEOPIXEL, 1, brightness=0.2
36  )  # Uncomment for Most Boards
37  """Uncomment below for ItsyBitsy M4"""
38  # status_light = dotstar.DotStar(board.APA102_SCK, board.APA102_MOSI, 1, brightness=0.2)
39  # Uncomment below for an externally defined RGB LED
40  # import adafruit_rgbled
41  # from adafruit_esp32spi import PWMOut
42  # RED_LED = PWMOut.PWMOut(esp, 26)
43  # GREEN_LED = PWMOut.PWMOut(esp, 27)
44  # BLUE_LED = PWMOut.PWMOut(esp, 25)
45  # status_light = adafruit_rgbled.RGBLED(RED_LED, BLUE_LED, GREEN_LED)
46  wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
47  
48  counter = 0
49  
50  while True:
51      try:
52          print("Posting data...", end="")
53          data = counter
54          feed = "test"
55          payload = {"value": data}
56          response = wifi.post(
57              "https://io.adafruit.com/api/v2/"
58              + secrets["aio_username"]
59              + "/feeds/"
60              + feed
61              + "/data",
62              json=payload,
63              headers={"X-AIO-KEY": secrets["aio_key"]},
64          )
65          print(response.json())
66          response.close()
67          counter = counter + 1
68          print("OK")
69      except (ValueError, RuntimeError) as e:
70          print("Failed to get data, retrying\n", e)
71          wifi.reset()
72          continue
73      response = None
74      time.sleep(15)