[linux-dvb] How to disable PID filter on dtt200u ?

Harald Welte laforge at gnumonks.org
Tue Jan 17 13:31:11 CET 2006


On Tue, Jan 17, 2006 at 11:11:02AM +0100, Patrick Boettcher wrote:
> On Tue, 17 Jan 2006, Harald Welte wrote:
> >*sigh* (sorry).
> >Is the PID filter really implemented in hardware, or is it implemented
> >in the Firmware?  If it is the FX2 firmware, I'm happy to work on a
> >patched/hacked version for it.
> 
> I'm not sure about that. Some say it is a separate hardware, but I
> believe it is just something in the firmware.

Ok, I'll look into that.  It's been some time since I last did 8051
stuff, but a 8k firmware image is certainly not something too complex to
look into.

After taking the device apart, there basically is nothing on the PCB
that looks intelligent enough ;)  There's the MT532, the can tuner and
the FX2.

> All the currently available DiBcom-based USB devices support your
> requirements. They have an optional PID filter (in the demod).
> 
> http://www.linuxtv.org/wiki/index.php/DVB_USB#DiBcom_USB2.0_DVB-T_devices_.28based_on_the_DiB3000M-C.2FP.29

yes, I know those one (see below)

> http://www.linuxtv.org/wiki/index.php/DVB_USB#Hauppauge_WinTV-NOVA-T_usb2

...is quite expensive, compared to the other devices...

> Problem with most of the DiB3000P-devices is, that the tuner mt2060 is not supported yet.

exactly, that's the case with two of the four devices I bought.

Anyway, thanks for your assistance

-- 
- Harald Welte <laforge at gnumonks.org>          	        http://gnumonks.org/
============================================================================
"Privacy in residential applications is a desirable marketing option."
                                                  (ETSI EN 300 175-7 Ch. A6)
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