Re: [Bluez-devel] RSSI from rfcomm

[michael <michael@bungtopia.com>]

Thanks for that. I think I have code that will work now. This is the 
line that I pass to the hci_read_rssi() method: 
hci_read_rssi(client_sock, htobs(rfconn.hci_handle), &rssi, 25000)

My app doesn't have fancy error messages so I spent ages trying to work 
out why it doesnt work, no luck, but  rctest gives the error "Can't get 
RFCOMM connection information: Protocol not available (92)"

Do you know what can cause this error, or give me a head start on how to 
track it down?

Im using a complete install of fedora core 3

Thank you
-michael

Marcel Holtmann wrote:

>Hi Michael,
>
>  
>
>>I'm using pretty standard sockets to create a bluetooth connection. I 
>>can communicate fine with my J2ME app however I was wondering if it is 
>>at all possible to read the RSSI from an RFCOMM layer connection. I can 
>>read it fine if I make a lower level connection, but this is not at all 
>>suited to my application..
>>
>>So, how can I read the RSSI when I dont have access to all the data I 
>>need to pass to the hci_read_rssi() method??
>>    
>>
>
>you only need the ACL connection handle and you can get this with a
>getsockopt() call through RFCOMM. Check rctest for an example.
>
>Regards
>
>Marcel
>
>
>
>
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