[linux-dvb] Re: Unbranded USB DVB device afatech af9005
andrew at floppyspongeonline.com
Fri Jan 19 05:29:01 CET 2007
This is o, I've got all the documentation to get this chip going.
I'll keep the list updated with my progress, if/when I get anywhere.
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Jeff Wang (王建發) wrote:
> Hi Andrew,
> Attached is the latest driver porting guide & firmware, FYI.
> Luca Olivetti wrote:
>> En/na Andrew Leech ha escrit:
>>> Hi Luca, All,
>>> I'm attempting a port of your driver to the AF9015 chip, and slowly
>>> making progress. Just for reference, I've never written drivers for
>>> computers before, pretty much all my programming experience is in
>>> embedded stuff, it's much simpler there.
>>> My biggest stumbling block at the moment is the firmware file. How
>>> did you know where to extract the firmware from (af9005.fw &
>>> af9005-script.h)? Was it simply through the documentation you were
>>> given, or was it through windows snooping?
>> both: from the documentation I knew the firmware download sequence, I
>> also had the firmware in a firmware.h file. Since it wasn't working I
>> did some snooping and got the firmware downloaded under windows
>> (which is different that the one that came in the documentation). The
>> same can be said of the register initialization sequence.
>> I have some rough python scripts to decode the windows snoop file,
>> but I think they're af9005 specific.
>>> I've sent Afatech an email asking for access to documentation on
>>> this newer chip, no reply yet, so just working with what I've got.
>>> This chip is at least somewhat different to the 9005, as simply
>>> adding the PID/VID of my device into the driver didn't work, I get a
>>> "af9005: boot bad config header." An extra err printout tells me
>>> that the buff value that gives the "boot bad config header" is
>>> 0x0 when it should be 0x11 for your driver.
>> I'm Bcc'ing my contact at afatech, he's been very helpful so I hope
>> he'll contact you privately.
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