DVK-BTM521 Laird Technologies, DVK-BTM521 Datasheet - Page 46

• Manufacturer Part Number: DVK-BTM521
• Description: BT MM DEV KIT
• Manufacturer: Laird Technologies
• Type: Transceiver, Bluetoothr

Specifications of DVK-BTM521

• Frequency: 2.4GHz
• Interface Type: RS-232
• Processor Series: BTM521
• Silicon Manufacturer: Laird Technologies
• Kit Application Type: Communication & Networking
• Application Sub Type: Bluetooth
• Kit Contents: Development Board & Software Tools
• Features: Supports CSR
• Rohs Compliant: Yes
• For Use With/related Products: BTM521
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: DVK-BTM521

BTM520/521
Bluetooth
AT COMMAND SET
REFERENCE
46 www.lairdtech.com
®
Multimedia Plus Module
Phase
Preparation
Preparation
Initiate
Connection
Connected,
send remote
control
commands
Disconnect
Dev.
BTM5xx
PC
BTM5xx
BTM5xx
BTM5xx
AT Command
AT&F*
ATZ
n/a
AT+AVD<BdAddr_PC>
AT+AVC44
AT+AVC46
AT+AVC45
AT+AVH
Table 3.18: AVRCP Example 1 Command Sequence
Comment
Restore factory default settings
AVRCP profile is enabled per default in S102
AVRCP Control role is enabled per default in S301
Reset
1.) Select “Options…” from the Bluetooth icon in the
taskbar (Figure 3.16)
2.) Identify the PC’s Bluetooth Address <BdAddr_PC> in
the “General” tab of Bluetooth Options (Figure 3.16)
3.) Make sure that “AV Remote Control Service is en-
abled” (Figure 3.16)
4.) Go to “Other” tab of Bluetooth Options and Click
Button “AV Player…” (Figure 3.17)
5.) Select “TopRight” at the “Display Position” dropdown
menu (Figure 3.17)
6.) Close each window by clicking “OK”
Response: (Figure 3.19)
“CONNECT <BdAddr_PC>,110E,>” (AVRCP connected)
Send “Play” (Figure 3.20, Figure 3.21)
Response:
“OK” - command accepted
“AVPTC 0,44,0” -confirmation received from PC
“AVPTC 0,44,1” -confirmation received from PC
Reception of command should be displayed in top-right
corner of PC screen (Figure 3.21), Player should start
playing.
Send “Pause” (Figure 3.20, Figure 3.21)
Response:
“OK” - command accepted
“AVPTC 0,46,0” -confirmation received from PC
“AVPTC 0,46,1” -confirmation received from PC
Reception of command should be displayed in top-right
corner of PC screen (Figure 3.21), Player should pause.
Send “Stop” (Figure 3.21)
Response:
“OK” - command accepted
“AVPTC 0,45,0” -confirmation received from PC
“AVPTC 0,45,1” -confirmation received from PC
Response: (Figure 3.20)
“NO CARRIER 110E” (disconnection confirmed)
Laird Technologies