Re: [Wirelessdriver-devel] Q on non-Prism/Prism2 devel

[Rob M. <ro...@ma...>]

Hmmm... how to answer that one..

Basically, it will require rewriting almost the entire driver.

The DWI-650+ uses a chipset from Texas Instruments that uses an 
entirely different MAC structure and communications setup.  You can't 
just run a packet sniffer to figure it out, because most of the stuff 
going out over the air will appear standard, based on the 802.11 
protocols.  We'd need to convince TI to give us the information on the 
chipset, learn how to use it, get some sample hardware and then spend 
some serious time tinkering.

I've inquired with TI, Atheros, Atmel, etc. and none of them has been 
willing to give me the hardware interface documents I'd need to give it 
a shot.  I did manage to get a copy of the Atmel reference driver 
source for Linux, but going from other source code means spending a lot 
of time trying to sort out what is implementation-specific vs. actually 
needed for talking to that device.

If anyone wants to (or thinks they can) help with getting access to the 
docs and/or samples from any of these vendors or others, please try.  
I'd love to expand the project beyond what it already is, even though 
it will take some time.

-Rob


On Thursday, January 2, 2003, at 07:01 PM, Michel Donais wrote:

> Hi.
>
> Although I don't have a lot of time on my hands (too many projects, 
> too little time), I am quite interested in one of the D-Link DWI-G650 
> card, which sports 54Mbps access... and I'm quite sure it's not 
> supported yet by the wirelessdriver driver (since even the 650+ is not 
> implemented).
>
> The big question is : how difficult would it be to create such a 
> driver and what does it requires?
>
> If it's a lot of packet sniffing with a supported PC, and checking how 
> data flows through their driver and trying to decipher how it works, 
> I'd forget it.
>
> If it's mainly getting public documentation, getting the wd source 
> code and adding a few twists and nudges, as well as maybe implementing 
> a few new functions and changing some packet informations, I'm in.
>
> If it's in-between, it all depends of your answer ^_^
>
>
> Have a nice day
> Mike
>
>
>
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