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  import rtc
12  
13  # Get wifi details and more from a secrets.py file
14  try:
15      from secrets import secrets
16  except ImportError:
17      print("WiFi secrets are kept in secrets.py, please add them there!")
18      raise
19  
20  print("ESP32 local time")
21  
22  TIME_API = "http://worldtimeapi.org/api/ip"
23  
24  esp32_cs = DigitalInOut(board.ESP_CS)
25  esp32_ready = DigitalInOut(board.ESP_BUSY)
26  esp32_reset = DigitalInOut(board.ESP_RESET)
27  spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
28  esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
29  """Use below for Most Boards"""
30  status_light = neopixel.NeoPixel(
31      board.NEOPIXEL, 1, brightness=0.2
32  )  # Uncomment for Most Boards
33  """Uncomment below for ItsyBitsy M4"""
34  # status_light = dotstar.DotStar(board.APA102_SCK, board.APA102_MOSI, 1, brightness=0.2)
35  wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
36  
37  the_rtc = rtc.RTC()
38  
39  response = None
40  while True:
41      try:
42          print("Fetching json from", TIME_API)
43          response = wifi.get(TIME_API)
44          break
45      except (ValueError, RuntimeError) as e:
46          print("Failed to get data, retrying\n", e)
47          continue
48  
49  json = response.json()
50  current_time = json["datetime"]
51  the_date, the_time = current_time.split("T")
52  year, month, mday = [int(x) for x in the_date.split("-")]
53  the_time = the_time.split(".")[0]
54  hours, minutes, seconds = [int(x) for x in the_time.split(":")]
55  
56  # We can also fill in these extra nice things
57  year_day = json["day_of_year"]
58  week_day = json["day_of_week"]
59  is_dst = json["dst"]
60  
61  now = time.struct_time(
62      (year, month, mday, hours, minutes, seconds, week_day, year_day, is_dst)
63  )
64  print(now)
65  the_rtc.datetime = now
66  
67  while True:
68      print(time.localtime())
69      time.sleep(1)