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adafruit / Adafruit_CircuitPython_DS3231

Adafruit CircuitPython drivers for the DS3231 realtime clock.
MIT License
21 stars 19 forks source link

Time not advanceing #31

Closed JustSumDad closed 3 years ago

JustSumDad commented 3 years ago

Sorry if this is the wrong place to submit this issue but here goes

Installed DS3231 on Rpi4 as per instructions using latest raspian lite build booting off USB SSD at first I thought it was working as with no internet access the date command reported the correct date when a cold start was done then after an over night cold test, I discovered the date/time raspian was reporting was actually the time it was shut down. Not the current time, it seems the DS3231 is saving the time to the chip and the system is pulling it back but its not running when the PI is cold. This could easily be something I have missed, I am not great at this :) This is my exact order of installation.

1) sudo apt-get update && sudo apt-get upgrade

2) sudo apt install python3-pip

3) sudo pip3 install adafruit-circuitpython-lis3dh

4) sudo pip3 install adafruit-circuitpython-ds3231

Thanx

ladyada commented 3 years ago

what is the exact url of the DS3231 you purchased?

JustSumDad commented 3 years ago

Thank you for your time Ladyada. I got them from amazon.

https://www.amazon.ca/DS3231-Precision-Module-Arduino-Raspberry/dp/B07GRRBB8B/ref=sr_1_1_sspa?dchild=1&keywords=ds3231&qid=1603036054&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyNlBaSkFINVJWVlZEJmVuY3J5cHRlZElkPUEwMzEyMjczRE1USjFJQUZWRTdSJmVuY3J5cHRlZEFkSWQ9QTA5Njc1NzUyOVBVTk1GRlNIT0NQJndpZGdldE5hbWU9c3BfYXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==

ladyada commented 3 years ago

kk please contact the vendor for tech support - its likely not a software issue!

JustSumDad commented 3 years ago

Thank you for verifying I am doing it correctly, I was starting to think maybe the way the driver was I had to make a different call to get the time/date from the chip to the O/S

Thank you again!