The constraint is actually in the Bluetooth
Specification, which specifies that RSSI is a single signed octet (byte) with a
range of -127 to +127 in dB. I have attached a screenshot of the section
for you.
If you wish, you can return the signed integer
returned from BlueZ and convert it yourself to a float, but recognize that the
underlying value is an integer.
If you have not done so already, suggest you get a
copy of the Bluetooth specification, which describes the BT protocol and stack
in detail. The specification is available from the Bluetooth SIG, at http://www.bluetooth.org/
Best regards,
David Stockwell
----- Original Message -----
Sent: Saturday, June 21, 2008 8:59
PM
Subject: Re: [Bluez-devel] RSSI value in
floating point
1. Thanks. That saved me a lot of time
2. Assuming that I
purchase a development kit. Would it be possible to modify bluetooth stack to
achieve the objective?
Regards
xource
Marcel Holtmann wrote:
Hi,
I have inspect bluez-libs codes and seems that some modification can
make it happen. However, would the devices it self return RSSI in
floating point?
simple answer is no. The RSSI is a signed integer.
Regards
Marcel
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