Hi Niresh,

On Monday, 31 August 2020 06:45:48 UTC+3, Niresh wrote:
>
> Attached output from "sudo /opt/scripts/tools/version.sh" and the content 
> of your "/boot/uEnv.txt" file along with boot log message.
>

They look good. I suspect you're mostly there :)

debian@beaglebone:/boot$ dmesg | grep rtc
>
> [    2.283660] rtc-ds1307: probe of 1-0068 failed with error -16
>

This indicates that the device tree was loaded correctly, but the kernel 
can't talk to your RTC chip. If you can figure out why, you've enabled 
systemd-timesyncd.

Hmm, can you double-check that the I2C bus number is correct and the RTC 
chip is online?

There is a utility called i2cdetect which should reveal your RTC on bus 1, 
address 68. 
https://linux.die.net/man/8/i2cdetect
 

> Please help me with bash scripts for external RTC and its procedure.
>

Undo your changes to uEnv.txt and follow this guide instead. It's not 
ideal, but probably covers the relevant requirements.
https://learn.adafruit.com/adding-a-real-time-clock-to-beaglebone-black/set-rtc-time

--
Kind regards,
Tarmo

-- 
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