Brian Holbrook replied to the topic 'More RTC madness!!!!' in the forum. 3 months ago

Still no joy for me

If i type date; sudo hwclock -r i get both times simulaneoulsy but in different formats??

Fri Feb 12 02:30:01 AEST 2016
Fri 12 Feb 2016 02:30:02 AEST .125778 seconds

Do you think this could be the issue somehow? I also cannot find the Internationalisation Options in raspi-config???

Cheers
Bri

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Brian Holbrook replied to the topic 'More RTC madness!!!!' in the forum. 3 months ago

Thanks again Radek,

I noticed that when i ran lsmod|grep rtc it brought up details for the ds1307 (i have a ds3231)? I amended the config.txt to show a ds1307 but this still did not work.

I have attached the details

File Attachment:

File Name: config.txt
File Size: 36 KB


Hope this helps?
Thanks
Brian

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Brian Holbrook created a new topic ' More RTC madness!!!!' in the forum. 3 months ago

Hi All,

thought i was going crazy so bought another RTC (got a ds3231) this time. Followed the instructions and hey presto!!! Still not working :-(

I flashed another SD card with Raspian and the RTC works perfectly there. So i know the hardware is fine.

There seems to be something somewhere that is forcing the date and time back to Fri Feb 12, 02:28:16 (year 2006). I have looked and looked but cannot find anything anywhere.

Going to GPS isn't an option as it won't give me anything other than a further power drain when i'm out in the field and i'll still have to set my mount manually initially anyway.

Help me Obi Wan you're my only help..........

Cheers
Bri

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Brian Holbrook replied to the topic 'RTC still won't work' in the forum. 3 months ago

I think it is probably worth doing the kernel update. This is where i will need some upgrade for dummies instructions.

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Brian Holbrook created a new topic ' Damn RTC still won't work!!!' in the forum. 3 months ago

Hi all, me again.

Still struggling with this RTC. It is recognised by the Pi, i have installed a fresh battery, i can write the correct time to it and it displays the correct time. When i reboot it always defaults to the same date - Fri Feb 12, 02:28:16

Tried removing the RTC and then sudo hwclock -r and it is not found so i am definitely accessing the RTC module.

Do you think i have a faulty RTC module???

Any fresh ideas?

Thanks
Bri

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Brian Holbrook replied to the topic 'Astroberry Server' in the forum. 3 months ago

Hi all, still struggling with this RTC.

I have reflashed the SD card just in case and completed the setup. The RTC is being recognised. I let the Pi synch time via the internet and then "sudo hwclock -w" to write the time. "sudo hwclock -r" shows the correct time.

When i restart it still defaults back to Fri Feb 12, 02:28!!!!!

Is there some other clock set or some kind of override in the config that is looking at some kind of pretend hwclock?

After some more searching I have also run:
sudo apt-get -y remove fake-hwclock - this fails as it says fake-hwclock is not installed
sudo update-rc.d -f fake-hwclock remove
sudo systemctl disable fake-hwclock

Any clues? It is starting to drive me wild now :( :( :( :( :( :(

Cheers
Bri

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Brian Holbrook replied to the topic 'Astroberry Server' in the forum. 3 months ago

No, still no joy. :-(
Tried the following:
Set the system clock (via control center as i couldn't work it out at the command line)
date returned the correct time
sudo hwclock -w seemed to work, sudo hwclock returned the correct time.

Switched off and back on and the wrong date/time displayed

sudo hwclock -w --systohc changes the hwclock time but it went back to the wrong date after a restart.

Cannot figure out what i'm doing wrong. Even tested the battery which is giving out a healthy 3v.

Any thoughts?

Thanks
Bri

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Brian Holbrook replied to the topic 'Astroberry Server' in the forum. 3 months ago

Thanks Kaczorek, i'll smash a few buttons until it works ;-)

Bri

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Brian Holbrook replied to the topic 'Astroberry Server' in the forum. 3 months ago

Thanks Kaczorek,

I have attached an image of what i see.

Not sure if that means it is recognised?

thanks
Bri



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Brian Holbrook replied to the topic 'Astroberry Server' in the forum. 3 months ago

Hi guys, i'm a bit of a beginner when it comes to linux (which is a bit embarrassing as a manager of an Application support team!).

I have just purchased an RTC for my Pi 3b+ so that i'm not messing around with times when i'm out in the field. I have followed all of the instructions i can find but the RTC still won't work :-(

Is there anybody who would be kind enough to help me out with the config please?

The module is I2C RTC DS1307 purchased from GearBest.
The instructions are at wiki.52pi.com/index.php/DS1307_RTC_Modul...erry_Pi_SKU:_EP-0059

Any help you could offer would be greatly appreciated.

Cheers
Bri

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