Download BTM510/511 Multimedia Module User Guide

BTM510/511 User Guide
®
Bluetooth Multimedia Module
CONNECT 123456789012,110D,>
An A2DP connection with Bluetooth device address 123456789012 is established. The connection was
initiated by the local device (outgoing)
FS44100,INT
The internal codec is configured with a sampling frequency of 44100 Hz.
FS44100,I2S_M
The I2S bus is configured as I2S master with a sampling frequency of 44100 Hz.
FS44100,I2S_S
The I2S bus is configured as I2S slave with a sampling frequency of 44100 Hz.
APSUS,<
Transition to A2DP suspended state, initiated by remote device (incoming).
APSUS,>
Transition to A2DP suspended state, initiated by local device (outgoing).
APSTR,<
Transition to A2DP streaming state, initiated by remote device (incoming).
APSTR,>
Transition to A2DP streaming state, initiated by local device (outgoing).
NO CARRIER 110D
An existing A2DP connection has been terminated or an A2DP connection attempt has failed.
Table 2-24: A2DP – S Registers and AT-Commands
Task
AT-Command /
SRegister
Enable A2DP profile
S102
Set A2DP role
S300 [0..2]
Initiate outgoing
A2DP connection
AT+APD<bd_addr>
close only A2DP
connection
“AT+APH” or
“ATH110D”
close all connections
ATH*
Comment
128 = A2DP, Error 46 if A2DP role has not been set
(see S300). Needs subsequent AT&W and ATZ to
become effective
0
Feature not set
1
A2DP Sink (default)
2
A2DP Source
Needs subsequent AT&W and ATZ to become
effective
CONNECT
Response if accepted
0123456789012,110D,>
Response if rejected NO CARRIER 110D
Response:
If connection has existed and
NO CARRIER 110D
S329 = 0
If connection has not existed
NO CARRIER
and S329 = 0
Response:
For each profile that was
NO CARRIER <profileUUID>
previously connected
See Disconnecting Profiles.
Embedded Wireless Solutions Support
Center: http://ews-support.lairdtech.com
www.lairdtech.com/bluetooth
Laird
53
Americas: +1-800-492-2320
Europe: +44-1628-858-940
Hong Kong: +852 2923 0610