[linux-dvb] Re: Patch for cards with the Philips CD1516 tuner box (spXXXX?)

[Dennis Noordsij <dennis.noordsij@wiral.com>]

Hi,

This is for everyone's information, and to back up Marko Kenttälä's experience 
as well (don't remember if he posted it to this list).

Siemens DVB-C, when using the non-NEWSTRUCT drivers (latest 
CVS-used-to-be-HEAD):

root@filter dvbtune2 # ./dvbtune -f 162000000 -s 6900 -c 0
tuning DVB-C to 162000000, srate=6900000
Getting frontend event
Received completion event
Event:  Frequency: 162000000
        SymbolRate: 6900000
        FEC_inner:  0
Bit error rate: 3964
Signal strength: 1190764544
SNR: 5
FE_STATUS: FE_HAS_POWER FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER FE_HAS_SYNC

Using -i yields all the right channels (Nelonen mux for you HTV people :-)

Interesting is also:
<description tag="0x48" type="129" provider_name="HTV" 
service_name="Bootloader Xbox" />

:-)

When then trying to tune to QAM128, using the patched VES1820.c (NEWSTRUCT is 
up-to-date, old CVS is not), it refuses, but interesting part is when I 
specify "-m":

root@filter dvbtune2 # ./dvbtune -f 283000000 -s 5900 -c 0 -qam 128 -m
FE READ UNCORRECTED BLOCKS: : Function not implemented
Signal=358958464, Verror=358958464, SNR=1222593472dB, BlockErrors=0, (P|S|C|)
FE READ UNCORRECTED BLOCKS: : Function not implemented
Signal=358259780, Verror=358259780, SNR=1222593472dB, BlockErrors=0, (P|)
FE READ UNCORRECTED BLOCKS: : Function not implemented
Signal=1190764544, Verror=3966, SNR=5dB, BlockErrors=0, (P|)

(i.e. signal/SNR seem more reasonable). However it will do the same for every 
bogus frequency I try.

So, a little closer than before, but not quite there yet :-)

Cheers,
Dennis








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