The metadata gives you ADC_value, since the CC1000 has an analog pin to which it outputs the RSSI. You should then translate it to dBm units. Vrssi is the analog voltage on that pin, which you can only know from an ADC. Vbatt is the battery Voltage which you should get from the VoltageC component.
~Dimas~ On Wed, Mar 19, 2008 at 1:32 PM, hamsa jega <[EMAIL PROTECTED]> wrote: > Hi, > > Thank you again. I did google it a bit and found the same formulae but I > would have one confusion. I would be using the formulae as > P = -50.0 Vrssi - 45.5 > I also found another formulae for Vrssi as > *Vrssi* = Vbatt * ADC_value/ 1024 > > Is the value I get from metadata Vrssi or Vbatt? If it is Vatt then what > is ADC_value? > > Thank you, > Hamsatharini > > On Mon, Mar 17, 2008 at 7:07 AM, Dimas Abreu Dutra <[EMAIL PROTECTED]> > wrote: > > > Hi, > > > > > > try looking past messages from this list or googling it. In a quick > > search I found the following threads that might help you. When I used it was > > something like that. > > > > > > http://mail.millennium.berkeley.edu/pipermail/tinyos-help/2004-August/005027.html > > > > http://mail.millennium.berkeley.edu/pipermail/tinyos-help/2005-November/013154.html > > > > ~Dimas~ > > > > >
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