On Fri, Aug 28, 2020 at 6:31 AM Tarmo <[email protected]> wrote: > > On Thursday, 27 August 2020 08:07:53 UTC+3, Niresh Kumar wrote: >> >> I've have tested both BB-I2C1-RTC-DS3231.dtbo and BB-I2C2-RTC-DS3231.dtbo >> in the new image 4.19.94-ti-r42, they mount rtc1 in /dev but system time is >> not updated with rtc1. Please let me know if any other procedure is required >> and also procedure to update external rtc1 time when the internet is >> connected. > > > That's unfortunate. Still, logs from the uboot bootloader (observed from the > onboard TTL level UART) or the Linux kernel (from dmesg or syslog) might > indicate what's wrong. > > To get effective help, please post output from "sudo > /opt/scripts/tools/version.sh" and the content of your "/boot/uEnv.txt" file. > >> >> One thing i have observed, with BB-I2C1-RTC-DS3231.dtbo the timedatectl >> command displayed "RTC time: n/a" not system time as in normal condition.
Every RTC clock is a little different, but sometimes it seems like you have to "force" the first date write, try a few of these random commands. ;) https://www.thegeekstuff.com/2013/08/hwclock-examples/ Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAOCHtYgrYbKzRcC3xfQWaqh1Yp5_ZSQBfyr%3Di-_a1fAxApYfoQ%40mail.gmail.com.
