Broadcasting using Marvell 88W8686 Linux Driver

[hong zhang]

This is firmware level work to force device to transmit signal continuously. Actually, this is for RF test work.
I do not think it can be set from user space nor driver level.

--- On Mon, 2/14/11, Vivek Raghunathan <nkrvivek at gmail.com> wrote:

> From: Vivek Raghunathan <nkrvivek at gmail.com>
> Subject: Re: Broadcasting using Marvell 88W8686 Linux Driver
> To: "Amyuni Development Team" <devteam at amyuni.com>
> Cc: libertas-dev at lists.infradead.org
> Date: Monday, February 14, 2011, 8:29 AM
> On Sat, Feb 12, 2011 at 3:05 PM,
> Amyuni Development Team
> <devteam at amyuni.com>
> wrote:
> >
> > Hello,
> >
> > We need to know if there is a command to broadcast
> continuous modulated
> > waveform using the libertas driver for Marvell 88W8686
> (SDIO driver.) The
> > broadcast is used in test laboratories to obtain FCC
> certification on any
> > product that contains this WiFi chip. The idea is to
> continuously broadcast
> > a constant signal on a given channel and measure the
> results using spectrum
> > analyzers.
> 
> You need to get an utility called "wlanconfig" from your
> wifi vendor
> (either from Marvell directly or a third party module
> maker) and port
> couple of iwpriv API's such as rdmac, wrmac, rdbbp, wrbbp
> to read and
> write the MAC, BBP and RF registers from the card. 
> These commands
> take one parameter that specifies the offset location that
> is to be
> read or written.
> 
> >
> > We tried using the Linux netcat command to do a
> broadcast, but this gave us
> > only an approximation of the required signal which
> must be perfectly
> > continuous.
> 
> Unless you port those iwpriv commands, you can't achieve
> continuous
> transmission required for FCC certification. Netcat acts as
> a simple
> utility which reads and writes data across network
> connections, using
> TCP or UDP transport protocols. It doesn't change the chip
> firmware
> behavior in any manner. You can contact any third party or
> a libertas
> developer to do the porting for you, if you don't have the
> resources
> to do that.
> 
> >
> > Thank you for your help.
> >
> > Amyuni Dev. Team
> >
> >
> >
> >
> >
> > _______________________________________________
> > libertas-dev mailing list
> > libertas-dev at lists.infradead.org
> > http://lists.infradead.org/mailman/listinfo/libertas-dev
> >
> 
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