Re: KWorld USB UB435-Q v2 vid 0x1B80 pid 0xE346

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Got it.
Once I sent out email, found reason on google.
It has bulk endpoint which is used as isoc!
I see now..
Thank everyone.

On 2011-11-02, at 10:39 AM, Dmitriy Fitisov wrote:

> Hello everyone,
> I have made modifications to em28xx and lgdt3305 
> making it "kinda work".
> I'm using scan program from dvb-apps for testing.
> I'm saying "kinda work" because I cannot verify for sure, I suspect something is missing.
> When I run scan it successfully locks on all channels which I have on my TV,
> but cannot find PAT on most channels.
> In MPEG2 stream I see that there is TS with PID 0x0000, but in most cases adaptation_field is 0,
> which treated by DVB as a no payload.
> Interesting enough that PUSI is set in this case.
> Could not find any info on this situation, except that packets with adaptation_field == 0
> must be discarded. 
> I live in Toronto and this data is for CBLT channel 9 DVB-T antenna.
> Windows shows everything ok.
> A little bit info on the stick to help others.
> It has 4 main chips on the board, em2874b, which has 2 I2C buses (guessed from em28xx source files).
> First bus is connected to Atmel's AT24C32D - 32kbit flash memory with I2C address 0xA0,
> second bus is connected to LGDT3305 with I2C address 0x1C, so, in order to communicate with LGDT3305
> flag for secondary bus must be set (EM2874_I2C_SECONDARY_BUS_SELECT),
> TDA18271HDC2 is connected through repeater of LGDT3305, so, disable_repeater field in 
> lgdt configuration must not be set, and lgdt gate control should be called before starting to talk 
> to TDA18271.
> 
> So, may someone provide info on PID 0000 steam packets?
> Or, perhaps I'm doing something wrong and should test it in different way?
> 
> Thank you.
> Dmitriy  --
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