41 lines
1.4 KiB
Python
Executable file
41 lines
1.4 KiB
Python
Executable file
# SPDX-FileCopyrightText: 2021 Carter Nelson for Adafruit Industries
|
|
#
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
import time
|
|
import board
|
|
import adafruit_pcf8523
|
|
|
|
i2c = board.I2C() # uses board.SCL and board.SDA
|
|
# i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector on a microcontroller
|
|
pcf = adafruit_pcf8523.PCF8523(i2c)
|
|
|
|
# values to set
|
|
YEAR = 2021
|
|
MON = 1
|
|
DAY = 1
|
|
HOUR = 12
|
|
MIN = 23
|
|
SEC = 42
|
|
|
|
print("Ready to set RTC to: {:4}/{:2}/{:2} {:2}:{:02}:{:02}".format(YEAR,
|
|
MON,
|
|
DAY,
|
|
HOUR,
|
|
MIN,
|
|
SEC))
|
|
_ = input("Press ENTER to set.")
|
|
|
|
pcf.datetime = time.struct_time((YEAR, MON, DAY, HOUR, MIN, SEC, 0, -1, -1))
|
|
|
|
print("SET!")
|
|
|
|
while True:
|
|
now = pcf.datetime
|
|
print("{:4}/{:2}/{:2} {:2}:{:02}:{:02}".format(now.tm_year,
|
|
now.tm_mon,
|
|
now.tm_mday,
|
|
now.tm_hour,
|
|
now.tm_min,
|
|
now.tm_sec))
|
|
time.sleep(1)
|