Also the copy command cp -T *source* *destination* so... sudo cp -T /home/debian/file eeprom
On Friday, 25 September 2020 at 16:48:24 UTC+1 robert.sty...@gmail.com wrote: > Wasn't the problem that the redirection of output by ">" was outside the > sudo *command* > The "echo" is not needed, only > sudo sh -c "cat /home/debian/file > eeprom" > > On Friday, 25 September 2020 at 15:59:06 UTC+1 RobertCNelson wrote: > >> On Fri, Sep 25, 2020 at 9:48 AM johan.lind via BeagleBoard >> <beagl...@googlegroups.com> wrote: >> > >> > I would need some help to understand why I can't write to an DS2433 >> eeprom. >> > >> > System information: >> > BBB Industrial board >> > Debian 10 (Buster IoT Image 2020-04-06) >> > Hardware attached are DS2482 i2c to w1 interface and DS2433 eeprom. >> > >> > Commands executed to set-up system: >> > $ modprobe ds2482 >> > $ echo ds2482 0x18 > /sys/bus/i2c/devices/i2c-1/new_device >> > $ modprobe wire >> > >> > I can read the eeprom by executing >> > $ cd /sys/bus/w1/devices/23-000002eddd9b >> > $ cat eeprom | hexdump >> > >> > Getting this far I assume hardware is correct and drivers are loaded >> correctly. >> > >> > debian@beaglebone:/sys/bus/w1/devices/23-000002eddd9b$ ls >> > driver eeprom id name power subsystem uevent >> > >> > Should here be a directory called w1_slave? >> > I see such a directory on some web pages searching for similar problems >> with w1. >> > >> > Now to the problem. >> > Executing the following command will fail: >> > debian@beaglebone:/sys/bus/w1/devices/23-000002eddd9b$ sudo cat >> /home/debian/file > eeprom >> > [sudo] password for debian: >> > cat: write error: Invalid argument >> >> https://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Privileged_echo >> >> sudo sh -c "echo 'cat /home/debian/file' > eeprom" >> >> 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/c5168228-f819-408a-ab7f-2bcd05d4dfccn%40googlegroups.com.
