Network Time Protocol (NTP) helper for CircuitPython
Project description
Introduction
Network Time Protocol (NTP) helper for CircuitPython.
Dependencies
This driver depends on:
Please ensure all dependencies are available on the CircuitPython filesystem. This is easily achieved by downloading the Adafruit library and driver bundle.
Installing from PyPI
On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally from PyPI. To install for current user:
pip3 install adafruit-circuitpython-ntpTo install system-wide (this may be required in some cases):
sudo pip3 install adafruit-circuitpython-ntpTo install in a virtual environment in your current project:
mkdir project-name && cd project-name
python3 -m venv .env
source .env/bin/activate
pip3 install adafruit-circuitpython-ntpUsage Example
import time
import board
import busio
from digitalio import DigitalInOut
from adafruit_esp32spi import adafruit_esp32spi
from adafruit_ntp import NTP
# 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(b"WIFI_SSID", b"WIFI_PASS")
except RuntimeError as e:
print("could not connect to AP, retrying: ", e)
continue
# Initialize the NTP object
ntp = NTP(esp)
# Fetch and set the microcontroller's current UTC time
ntp.set_time()
# Get the current time in seconds since Jan 1, 1970
current_time = time.time()
print("Seconds since Jan 1, 1970: {} seconds".format(current_time))Contributing
Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.
Documentation
For information on building library documentation, please check out this guide.
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