User's Manual

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www.lairdtech.com
Laird Technologies
BTM510/511
Bluetooth
®
Multimedia Module
ATI Commands
The following table lists all ATIn parameters supported by a BTM device. ATI commands provide general infor-
mation about the BTM device and status information.
Commands Information
ATI0 The product name/variant.
ATI1 The CSR rmware build number.
ATI2 The AT rmware build number. For internal use only.
ATI3 The AT rmware revision.
ATI4 A 12 digit hexadecimal number corresponding to the Bluetooth address of the BTM device.
ATI5 The manufacturer of this device.
ATI6 The maximum size of trusted device database.
ATI7 The manufacturer of the Bluetooth chipset.
ATI8 The chipset format.
ATI9 SPP connection status:
0=not connected
1=connected in local command mode
2=connected in remote command mode
ATI11 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 prole <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
ATI12 The last ERROR response number.
ATI13 The Sniff status is returned as follows:-
Response: <cr,lf>a:b,c,d,e<cr,lf>OK<cr,lf>
Where ‘a’ = 0 when not online and 1 when online and Sniff has been enabled, ‘b’ is the Sniff
Attempt parameter, ‘c’ is the Sniff timeout parameter, ‘d’ is the minimum sniff interval and ‘e’
is the maximum sniff interval. All parameters ‘b’, ’c’, ’d’ and ‘e’ are given as Bluetooth slots
which are 625 microseconds long converted from values of S Registers 561, 562, 563 and 564
respectively.
ATI14 The current boot mode.
ATI15 The maximum length of an AT command, not including the terminating carriage return.
ATI16 Codec Output Maximum Gain Range.
ATI17 Codec Input Maximum Gain Range.
ATI18 Bluetooth version.
ATI19 Audio connection status: 0 = off, 1= on
ATI20 Returns the number of bytes pending to be sent in the rf buffer when a connection is up.
ATI33 Version number of Multipoint application (Note: ATI is provided for compatibility in multipoint
mode, other AT commands are not available).
AT COMMAND SET
REFERENCE