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www.lairdtech.com
Laird Technologies
BTM520/521
Bluetooth
®
Multimedia Plus Module
CONFIGURING
THE BTM520/521
13. ATIn {Information}
This will return the following information about the Laird Technologies device.
For recognised values of n. All other values of n will generate an error.
Response: <cr,lf>As Appropriate<cr,lf>OK<cr,lf>
Or
Response: <cr,lf>ERROR nn<cr,lf>
I0
The product name/variant.
I1
The CSR firmware build number.
I2
The Laird Technologies firmware build number. For internal use only.
I3
The Laird Technologies firmware revision.
I4
A 12 digit hexadecimal number corresponding to the Bluetooth address of the device.
I5
The manufacturer of this device.
I6
The maximum size of trusted device database.
I7
The manufacturer of the Bluetooth chipset.
I8
The chipset format.
I9
0 if not in a connect state and 1 if in a connect state.
I11
The reason why a “NO CARRIER” resulted in the most recent attempt at making an outgoing connection.
Where the response values are as follows:
0 = No prior connection
1 = Connection timeout
2 = Connection attempt cancelled
3 = Normal disconnection
4 = Peer device has refused connection
5 = Service profile <uuid> requested not available on remote device
6 = Connection has failed
32 = ATH was entered
33 = Incoming connection aborted because too many rings
34 = Unexpected incoming connection
35 = Invalid address
36 = DSR is not asserted
37 = Call limit of 65531 connections has been reached
38 = Pairing in progress
39 = No link key
40 = Invalid link key
255 = Unknown Reason
I12
The last ERROR response number.
I60
Connection status of SPP
0 = not connected
1 = connected
identical with ATI9
I61
Connection status of A2DP
0 = not connected
1 = connected
I62
Connection status of AVRCP
0 = not connected
1 = connected
