[Bluez-devel] Inquiry response containing RSSI

[Bluez-devel] Inquiry response containing RSSI

[Richard Röjfors]

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Hi everyone,

Thanks for developing this stack, it works very well I must say!

But I have ran into a small limitation:
I want to do inquiries that contains rssi in the response. (I know it
requires bluetooth >= 1.2).
I have a such dongle from CSR. I bluez from 2.6.20.1 and bluez-libs 3.9
btw. I set the inquiry mode to 1 using the bluez-libs function
hci_write_inquiry_mode.

The interesting thing is that the RSSI makes it up to the inquiry cache
inside the hci_module, but the interface (hci_inquiry, called by ioctl)
only uses the struct inquiry_info, which does not contain RSSI.

So I was thinking of a way to support this, could be to introduce
another more generic IOCTL. Which returns the struct
inquiry_info_with_rssi, or rather a struct of a new type which is the
combination of struct inquiry_info_with_rssi and struct inquiry_info.

What do you think?

- --
Richard

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Re: [Bluez-devel] Inquiry response containing RSSI

[Marcel Holtmann]

Hi Richard,

> I want to do inquiries that contains rssi in the response. (I know it
> requires bluetooth >= 1.2).
> I have a such dongle from CSR. I bluez from 2.6.20.1 and bluez-libs 3.9
> btw. I set the inquiry mode to 1 using the bluez-libs function
> hci_write_inquiry_mode.
> 
> The interesting thing is that the RSSI makes it up to the inquiry cache
> inside the hci_module, but the interface (hci_inquiry, called by ioctl)
> only uses the struct inquiry_info, which does not contain RSSI.
> 
> So I was thinking of a way to support this, could be to introduce
> another more generic IOCTL. Which returns the struct
> inquiry_info_with_rssi, or rather a struct of a new type which is the
> combination of struct inquiry_info_with_rssi and struct inquiry_info.

use the new D-Bus based API. It takes care of everything for you.

Regards

Marcel



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