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STB0899 users, please verify results was Re: TechniSat SkyStar HD: Problems scaning and zaping

linux-dvb Simeon Simeonov 2 participants 2 messages Mar 3, 2008 Media (V4L/DVB)

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I am using mythtv and here is the sequence of commands:

Without repeat:
DiSEqCDevTree: Changing LNB voltage to 13V
DiSEqCDevTree: Rotor - Goto Stored Position 2
DiSEqCDevTree: Sending DiSEqC Command: e0 31 6b 2
DiSEqCDevTree: Changing to DiSEqC switch port 1/4
DiSEqCDevTree: Sending DiSEqC Command: e0 10 38 f0

With repeat:
DiSEqCDevTree: Changing LNB voltage to 13V
DiSEqCDevTree: Rotor - Goto Stored Position 2
DiSEqCDevTree: Sending DiSEqC Command: e0 31 6b 2
DiSEqCDevTree: Changing to DiSEqC switch port 1/4
DiSEqCDevTree: Sending DiSEqC Command: e0 10 38 f0
DiSEqCDevTree: Repeat DiSEqC Command: e1 10 38 f0

----- Original Message ----
From: Manu Abraham <[email protected]>
To: Simeon Simeonov <[email protected]>
Cc: [email protected]
Sent: Sunday, March 2, 2008 2:38:51 PM
Subject: Re: [linux-dvb] STB0899 users, please verify results was Re: TechniSat SkyStar HD: Problems scaning and zaping

Quoted 13 lines · Simeon Simeonov

Hi Manu,

I am attaching two gzipped logs. They are supposed to tune to the same frequency using the tip
of Mantis tree. The difference between the two are that in the GOOD log no repeat command is used
and in the BAD log one repeat for the switch is issued. The initial position of my rotor is about 20 deg
east from the target rotor position.
Using the tunning without the repeats the rotor goes all the way through and tunes successfully - GOOD log.
When repeat command is included in the diseqc sequence the rotor goes about 10 degrees to the west and stops as if it has reached the desired position. The BAD log corresponds to that.
When I tried to move to any other rotor stored position I find that that all of the memorized in the rotor positions are shifted. My guess is that for some reason the rotor stops, stores current position as the target one and then re-calculates all of them. But I do not see anything like that in the log file. The only thing I see is that
after the third byte in the diseqc repeat command fifo get full and sending the next byte has to
wait for one cycle.
The same sequences work just fine with my 102g card and the v4l drivers.

Can you please try to get the DiSEqC strings that you are sending (from the application) in these 2 cases ?

* Without repeat
* With repeat

Regards,
Manu

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#1 lore raw
Quoted 9 lines · Simeon Simeonov

I am using mythtv and here is the sequence of commands:

Without repeat:
DiSEqCDevTree: Changing LNB voltage to 13V
DiSEqCDevTree: Rotor - Goto Stored Position 2
DiSEqCDevTree: Sending DiSEqC Command: e0 31 6b 2
DiSEqCDevTree: Changing to DiSEqC switch port 1/4
DiSEqCDevTree: Sending DiSEqC Command: e0 10 38 f0

Quoted 7 lines

With repeat:
DiSEqCDevTree: Changing LNB voltage to 13V
DiSEqCDevTree: Rotor - Goto Stored Position 2
DiSEqCDevTree: Sending DiSEqC Command: e0 31 6b 2
DiSEqCDevTree: Changing to DiSEqC switch port 1/4
DiSEqCDevTree: Sending DiSEqC Command: e0 10 38 f0
DiSEqCDevTree: Repeat DiSEqC Command: e1 10 38 f0

In fact, looks really confusing to me. The diseqc commands just go out as it is,
through the FIFO. I don't see anything that which changes the commands, but if it was working with another card, it should be working with this card too (i
had some doubts, but when you said it worked with some other card, then i don't see the issue in here with the diseqc part. The FiFO either works or not)

Quoted 22 lines

----- Original Message ----
From: Manu Abraham <[email protected]>
To: Simeon Simeonov <[email protected]>
Cc: [email protected]
Sent: Sunday, March 2, 2008 2:38:51 PM
Subject: Re: [linux-dvb] STB0899 users, please verify results was Re: TechniSat SkyStar HD: Problems scaning and zaping

Quoted 13 lines · Simeon Simeonov

Hi Manu,

I am attaching two gzipped logs. They are supposed to tune to the same frequency using the tip
of Mantis tree. The difference between the two are that in the GOOD log no repeat command is used
and in the BAD log one repeat for the switch is issued. The initial position of my rotor is about 20 deg
east from the target rotor position.
Using the tunning without the repeats the rotor goes all the way through and tunes successfully - GOOD log.
When repeat command is included in the diseqc sequence the rotor goes about 10 degrees to the west and stops as if it has reached the desired position. The BAD log corresponds to that.
When I tried to move to any other rotor stored position I find that that all of the memorized in the rotor positions are shifted. My guess is that for some reason the rotor stops, stores current position as the target one and then re-calculates all of them. But I do not see anything like that in the log file. The only thing I see is that
after the third byte in the diseqc repeat command fifo get full and sending the next byte has to
wait for one cycle.
The same sequences work just fine with my 102g card and the v4l drivers.

Quoted 8 lines

Can you please try to get the DiSEqC strings that you are sending (from the application) in these 2 cases ?

* Without repeat
* With repeat

Regards,
Manu

_______________________________________________
linux-dvb mailing list
[email protected]
http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb