Hi,
I have an application that copies the "msg->strength" and saving it in an
uint8_t data:
uint8_t msg->data[4]=msg->strength
then with my own xlisten, I visualize the "strength".
Thanks for your attention,
Andrés
From: "Hui KANG" <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: Re: [Tinyos-help] RSSI_VAL
Date: Tue, 13 Jun 2006 09:52:01 -0500 (CDT)
Which tool did you use to see the value, listen or others?
Thanks.
Hui Kang
On 6/13/2006, "Andres Aberasturi" <[EMAIL PROTECTED]> wrote:
>Hi all,
>
>I am working with the localization of micaz motes (with the 1.1.7version
of
>TinyOS), and for it, I need to know the RSSI value messured.
>
>At this moment, I am able to read the value, and see that when I separate
>the motes, this value dicreases. But which are the unit of this value ?
How
>can I do the conversion?
>
>The datasheet of CC2420 gives me this formula to obtain the power in dBm:
>
>P=RSSI_VAL+RSSI_OFFSET
>
>RSSI_OFFSET is -45dBm, so, RSSI_VAL must be in dB if I want to obtain the
>power in dBm. Can anyone explain me how can I convert my data read to
>RSSI_VAL in dB?
>
>Thank you in advance,
>
>Andrés
>
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