[linux-dvb] HVR4000 no lock when tuning DVB-S2 (8PSK)

Jyrki Niskala jyrki.n at telia.com
Fri Aug 24 23:46:32 CEST 2007


Steven Toth wrote:
> Jyrki Niskala wrote:
>> Hi
>> When trying to tune transponders on Thor 1.0 W I get no lock on 
>> channels transmitted by DVB-S2 / 8PSK.
>> I get lock on DVB-S channels and when using scan I find 301 services, 
>> so it's seems to work with DVB-S.
>> The only tip I found when searching was in Hauppauge forum (for 
>> another OS though...) that you should use auto mode on FEC to get 
>> lock on 8PSK but that's not supported in hvr4000 tree.
>>
>> I have a Hauppauge HVR4000 and a Nova-HD-S2  to play with and I'm 
>> willing to make tests to take driver further...
>>
>> Thanks in advance. / Jyrki
>>
>>   
> Make sure you're specifying the modulation correctly for the mux 
> you're interested in.
>
> Regards,
>
> Steve
I use following command.

jyrki at legolas:~/dvb-s2/szap2$ ./szap2 -t 2 -e 2 -m 8 -c ./ThorW1.conf -n 2
reading channels from file './ThorW1.conf'
zapping to 2 'Canal+ Sport HD':
sat 0, frequency = 11421 MHz H, symbolrate 25000000, vpid = 0x0202, apid 
= 0x0288 sid = 0x057c (fec = 32, mod = 8)
Querying info .. Delivery system=DVB-S2
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
----------------------------------> Using 'Conexant CX24116 DVB-S2' DVB-S2
diseqc: sat_no:0 pol_vert:0 hi_band:0 cmd:e0 10 38 f2 wait:0

do_tune: API version=2, delivery system = 2
do_tune: Frequency = 1671000, Srate = 25000000 (DVB-S2)
do_tune: Frequency = 1671000, Srate = 25000000 (SET_PARAMS)


status 01 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 0000 | snr 0000 | ber 00000000 | unc 00000000 |


/ Jyrki



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