[streaming] Re: Diseqc problems using VLC + Spaun 17089NF multiswitch

[Zoilo Gomez]

Christophe Massiot wrote:
> On Fri, Jun 15, 2007, Zoilo Gomez wrote:
>
>   
>> Thank you Christophe, but same problem.
>>
>> It would have surprised me if this would have solved the issue, because 
>> in the szap source a diseqc burst also unconditionally follows the 
>> diseqc command, and szap is working fine ....
>>     
>
> Then the only difference I can think of is timing... Try increasing the
> msleep() calls (sleeps in milliseconds).
>
>   


Increasing the msleep() calls (up to 50000 usecs) doesn't make any 
difference.

I do notice that sometimes (about once in every 10 new tuning attempts) 
I get the following error "[00000525] dvb access error: reading frontend 
failed (-1) Value too large for defined data type".

Also I verified the implementation of the code with the timing diagram 
in 
http://www.eutelsat.com/satellites/pdf/Diseqc/Reference%20docs/bus_spec.pdf, 
it seems perfect.

What puzzles me is that neither my consumer sat-receiver nor szap have 
any problems in controlling the switch ... also this switch is a 
professional device, so I wouldn't expect any deviations from the 
(well-documented) Eutelsat standard either.

Z.

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