Daniel Kristjansson wrote:
On Tue, 2005-08-30 at 00:46 +0100, Mark Weaver wrote:
Without this, changing channels fairly frequently locks up -- the
attached backtrace & backend log with -v siparser,channel,record are
attached.
I've been waiting on confirmation from someone with DisEqC before
applying this patch. It seems to help OFDM and ATSC users, but it
significantly changes how DisEqC works so I'd really like someone
to confirm that it actually works...
-- Daniel
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Doesn't seem work with DVB-s. Specific problems (which also appear to be
slightly different, but still present) are:
Frequency is calculated incorrectly when input from "Full Scan (Tuned)".
Specifically, looking at the FE_GET_FRONTEND from a hacked femon shows:
From a good lock with szap:
963657 22000000 FEC_5_6 stat:1f sig:7979 snr:b6b6 ber:00000000 :unc
00000000 LOCK
Tuning to the same channel, inputting the frequency as kHz (10714):
9739286 22000000 FEC_5_6 stat:03 sig:2b2b snr:6060 ber:00194790 :unc
ffffffff
9740832 22000000 FEC_5_6 stat:00 sig:0000 snr:3d3d ber:00194790 :unc
ffffffff
ie the frequency is approx 10x too high. If I input in MHz:
967781 22000000 FEC_5_6 stat:01 sig:5353 snr:6868 ber:00193f20 :unc
ffffffff
Everything appears OK, but I get no lock (I guess this is a diseqc
switch issue, though).
I'm getting a dump from szap to see what it's doing different to
generate the diseqc command.
kHz input used to work - As otherwise channels.conf import would not
have worked for dvb-s cards.
Looking at the code, shouldn't the stuff compensating for the LOF be
outside the retry loop in handle_diseq? Also, should the code in
CheckOptions not be removed or special-cased for when handle_diseqc is
doing it?
Cheers,
Allan.
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