I tried with only a short (6 bytes) string but still the same behaviour.
tisdag 29 september 2020 kl. 17:45:47 UTC+2 skrev robert.sty...@gmail.com: > I suggest trying to write less than 32 bytes (the dmesg implies something > wrong with offset or count) -- create a file of less than 32 bytes and copy > to eeprom > cd ~ > echo "1234567890" > file10 > cp -T file10 /sys/bus/w1/devices/23-000002eddd9b/eeprom > > In the data sheet you need a much smaller R[PU] to write than read > https://datasheets.maximintegrated.com/en/ds/DS2433.pdf > > On Tuesday, 29 September 2020 at 16:03:48 UTC+1 RobertCNelson wrote: > >> On Tue, Sep 29, 2020 at 9:55 AM 'Johan Lind' via BeagleBoard >> <beagl...@googlegroups.com> wrote: >> > >> > Yes, it does still show eeprom >> > >> > debian@beaglebone:~$ ls /sys/bus/w1/devices/23-000002eddd9b >> > driver eeprom id name power subsystem uevent >> > debian@beaglebone:~$ ls /sys/bus/w1/devices/ >> > 23-000002eddd9b w1_bus_master1 >> > debian@beaglebone:~$ >> > debian@beaglebone:~$ ls -al /sys/bus/w1/devices/23-000002eddd9b/ >> > total 0 >> > drwxrwxr-x 3 root gpio 0 Sep 29 14:00 . >> > drwxrwxr-x 4 root gpio 0 Sep 29 14:00 .. >> > lrwxrwxrwx 1 root gpio 0 Sep 29 14:00 driver -> >> ../../../bus/w1/drivers/w1_slave_driver >> > -rw-rw-r-- 1 root gpio 512 Sep 29 14:07 eeprom >> >> Side note, you don't' have to be root, the "gpio" group is the default >> for debian.. >> >> > -r--r--r-- 1 root gpio 4096 Sep 29 14:00 id >> > -r--r--r-- 1 root gpio 4096 Sep 29 14:00 name >> > drwxrwxr-x 2 root gpio 0 Sep 29 14:00 power >> > lrwxrwxrwx 1 root gpio 0 Sep 29 14:00 subsystem -> ../../../bus/w1 >> > -rw-rw-r-- 1 root gpio 4096 Sep 29 14:00 uevent >> > debian@beaglebone:~$ >> >> not sure why you can't write... >> >> 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/a77badb0-94ac-4572-ad58-6616b13ebfa2n%40googlegroups.com.
