[vdr] Re: diseqc handling "the next generation" for vdr 1.3

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Hermann Gausterer wrote:
> 
> hi
> 
> i have some ideas for a better handling of complex setups with multiple
> dishes and LNBs for vdr 1.3 :-)
> 
> problems with the current (vdr 1.2.x) handling:
> 1) it is impossible to define a single diseqc entry in the sources.conf
>         that is only valid for a single card and not for all others to
>         example: 2 different lnb`s connected to two cards
> 2) in setup`s with switches behind switches it is not possible to
>         define an mutal exclusive way to an lnb
>         [here is an example realy needed ;-), of course this]
>         [is a stupid one, just to get an idea :-)]
> 
> # = 4 cables -> quad lnb
> | = 1 cable  -> simple connection
> 
>            ------ ------ ------
>            |lnb1| |lnb2| |lnb3|
>            ------ ------ ------
>              #      #      #
>              #     -----------
>              #     | switch2 |
>              #     -----------
>              #       |
>             ------------
>             |  switch1 |
>             ------------
>               1|    2|
>             ------------
>             |    VDR   |
>             ------------
>         the problem here is that if card1 is selecting lnb2 and
>         a recording for lnb3 is also started on card2 than
>         something bad is happening here :-(
>         i see no way with the current handling to solve this
>         problem :-(
> 
> my proposal (part1):
>         add an additional entry to every diseq line in the diseqc.conf
>         something like a "path number" and a way to define if this
>         "way" is exclusive or if it can be used from an additional card
>         at the same time too. for the example above, this would mean that
>         every entry on lnb1 would be way1 and every entry on lnb2 & lnb3
>         would be "way2". "way2" is set to exclusive and "way1" to
>         reuseable; after this every card which is using lnb2 would
>         block any card from using lnb3 and vice versa; of course, all
>         two cards could use lnb1 at the same time and this is what we want
> 
> another example:
>            ------ ------
>            |lnb1| |lnb2|
>            ------ ------
>              #      #
>             1#     2#
>             -----------
>             |   VDR   |
>             -----------
>         if we make it possible to limit an "way" to a single card or to
>         a list of cards this simple setup would also be possible
> 
> in short:
>         1) add an value (="way") to every entry in diseqc.conf
>         2) define a "way" exclusive or not
>         3) define which "way" is valid for every card
> 
> so .. that is ;-)
> i hope that everybody got what i want to say and that i get a lot
> of polite replies here, and of course one from klaus ;-)

Certainly not a bad idea.
I'll keep it in mind, but can't promise anything because I first
want to attend to other stuff.

Klaus


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