Hi, You may follow the steps in the RSSI demo tutorial, it is totally straightforward, RSSI Base Value is given in the datasheet to be -91dBm the lowest that IRIS mote can detect,
Regards, Hamid Rafiei Karkvandi On Tue, May 22, 2012 at 3:33 PM, Li, Haixia-OSU Stillwater < [email protected]> wrote: > Hello all, > > I want to get RSSI of IRIS. I used RssiBase, but I didn't use the > RssiDemo.java. I directly received the packet transmitted by RSSI. For > example, a packet is : > > > 7E 45 00 FF FF 00 01 02 3F 0A 00 1B 16 48 7E > > I think the 00 1B is the RSSI. Can anyone tell me how to change this > value to input power? > > The RF230 datasheet(P52) says > > PRF=RSSI_BASE_VAL+3*(RSSI-1) , and the RSSI value is represented in the > lowest five bits. > > should I use the equation and only use the lowest five bits of 00 1B? > and what is the RSSI_BASE_VAL? > > Thanks. > Haixia > > > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >
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