Re: [Madwifi-users] RSSI register value of 255

[Brian P. <bpr...@no...>]

On Mon, May 30, 2011 at 3:29 PM, somdas <so...@gm...> wrote:
> I am reading the value of the  RSSI register of the atheros chipset. I guess
> it is the value of the SNR. I found out that when signal strength goes below
> noise floor then value reported is very high 250-255. What is the
> significance of this high value. Is it possible to know the SNR when signal
> strength is below noise floor?

It sounds to me as if you're treating the number as an unsigned char,
but perhaps it should be treated as a signed char.

-Brian