[linux-dvb] Re: Mux C on Pontop with ./scan

[Graeme Bullimore <patsy@bullimore.com>]

On Wednesday 08 October 2003 18:19, Johannes Stezenbach wrote:
> Graeme Bullimore wrote:
> > >>	frequency = 690000000,
> >
> > I now have the latest version of scan from cvs, and created a
> > ./dvb-t/uk-PontopPike file. I've tried using each and every one of the
> > other multiplexes as the initial, but I get the same result:
> >
> > 826166670:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:QAM_16:TRANSMISSION_MODE_
> >2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE __tune_to_transponder:1225: ERROR:
> > Setting frontend parameters failed: 22 Invalid argument
>
> Does the "initial transponder ..." line report the
> correct frequency and decimal values for the other
> paramters according to linux/dvb/frontend.h?
>
> What frontend do you have exactly?
>
> Johannes


Hi Johannes,

I'm using a TT-Budget/WinTV-NOVA-T PCI with a Philips TDA10045H & TDM1316L.

Scan Session
~~~~~~~~~~~
./scan -i 0 ./dvb-t/uk-PontopPike
scanning ./dvb-t/uk-PontopPike
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
initial transponder 77816700 0 2 0 3 0 0 0
>>> tune to: 
778167000:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_2_3:FEC_NONE:QAM_64:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE


My ./dvb-tuk-PontopPike file:
~~~~~~~~~~~~~~~~~~~~~~~
#Pontop Pike
#T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
T 778167000 8MHz 2/3 NONEQAM64 2k 1/32 NONE


Comparing initial transponder details:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
freq                    778167000  - ok
wb                     8MHz      = 0 - ok
fec_hi                 2/3         = 2 - ok
fec_lo                 NONE     = 0 - ok
mod                     QAM64  = 3 - ok
transmission-mode 2k          = 0 - ok
guard-interval       1/32        = 0 - ok
hierarchy             NONE     = 0 - ok


That all looks okay, except for..
826166670:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE 
__tune_to_transponder:1225: ERROR: Setting frontend parameters failed: 22 
Invalid argument

cheers,

Graeme


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