Am 04.02.2015 um 09:23 schrieb Torrini, Eugenio:
> We are using Owfs in Linux to access a DS1991 and DS1995 through the USB
> DS9490R reader.
> Everything is ok for DS1995.
> For DS1991 we are not able to make it work. Maybe we are doing something
> wrong.
> We know the password of the 3 pages of the iButton because we can set it with
> another tool in Windows.
>
> We tried with different approaches this one for example should be right:
>
> 1) Create a pwd.hex file with (in hex) 0x31 0x32 0x33 0x34 0x35 0x36 0x37 0x38
> 2) Check the file with hexedit in windows
> 3) Chech the file with hexdump in Linux
> 4) cat ./pwd.hex > /disk/1wire/02.12B0CE000000/pages/password.0
> 5) hexdump -Cv /disk/1wire/02.12B0CE000000/pages/page.0
>
Read
/disk/1wire/uncached/02.12B0CE000000/pages/page.0
instead. Setting a password doesn't invalidate the cache IIRC.
Kind regards
Jan
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