Hi, On my system it's in $TOSROOT/tos/chips/cc2420/control/CC2420ControlC.nc. It's not an interface, it's a module which provides an interface of Read<uint16_t> which is named ReadRssi.
Please post your questions to the mailing list. Cheers, Urs On 12/07/2010 05:27 AM, SHIVASANKAR GANESAN wrote: > Hi > > I can't find CC2420ControlC file in my system,I have only CC2420Control > file and others(like CC2420RadioC..). > > I am using Tiny OS V2.0 with Mote works v2.0F. > > *With regards* > *Sivasankar* > > > --- On *Mon, 6/12/10, Urs Hunkeler /<urs.hunke...@epfl.ch>/* wrote: > > > From: Urs Hunkeler <urs.hunke...@epfl.ch> > Subject: Re: [Tinyos-help] Reg:Std Deviation of Gaussian Noise > To: "SHIVASANKAR GANESAN" <tata...@yahoo.co.in>, > tinyos-help@Millennium.Berkeley.EDU > Date: Monday, 6 December, 2010, 12:17 PM > > Hi, > > As I said in my previous mail, read the RSSI value from CC2420ControlC. > As this value is the signal strength your radio receives while not > actually receiving a message, this is the background noise. > > Cheers, > Urs > > On 12/6/10 7:26 AM, SHIVASANKAR GANESAN wrote: > > > > How to sample background Noise. > > > > ** > > *With regards* > > *Sivasankar* > > > > > > --- On *Fri, 3/12/10, Urs Hunkeler /<urs.hunke...@epfl.ch > </mc/compose?to=urs.hunke...@epfl.ch>>/* wrote: > > > > > > From: Urs Hunkeler <urs.hunke...@epfl.ch > </mc/compose?to=urs.hunke...@epfl.ch>> > > Subject: Re: [Tinyos-help] Reg:Std Deviation of Gaussian Noise > > To: "SHIVASANKAR GANESAN" <tata...@yahoo.co.in > </mc/compose?to=tata...@yahoo.co.in>> > > Cc: "tinyos-help@Millennium.Berkeley.EDU > </mc/compose?to=tinyos-h...@millennium.berkeley.edu>" > > <tinyos-help@Millennium.Berkeley.EDU > </mc/compose?to=tinyos-h...@millennium.berkeley.edu>> > > Date: Friday, 3 December, 2010, 2:06 PM > > > > Hi, > > > > The CC2420ControlC has a ReadRssi interface, which allows you to > > read the RSSI while not actively receiving any message. You could > > sample the background noise for a while, and then use standard > > statistical methods to determine the noise level and the standard > > deviation. > > > > Cheers, > > Urs > > > > On 12/03/2010 07:54 AM, SHIVASANKAR GANESAN wrote: > > > Hi > > > How to measure Std Deviation of the Gaussian Noise,I need that > > value for > > > my experiment(I am using Micaz mote). > > > ** > > > *With regards* > > > *Sivasankar* > > > > > > _______________________________________________ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
