14.
Appendix H: Bluetooth Audio Demonstration in Embedded Mode with
Internal Codec
Note:
1.
In this mode of operation, the BM83 module uses internal codec to drive the audio.
2.
Do not connect 15V adapter at DC power jack P200.
3.
Use the internal codec config file for this demo, for more details, refer to
In this demonstration, the user can stream audio on the BM83 EVB using a smartphone. Perform the following
hardware settings on the BM83 EVB for Embedded mode with internal codec audio demo after updating the
firmware:
1.
Turn OFF the SW300 switch.
2.
Mount a jumper at 5V_ADAP_IN and ADAP_IN of JP304.
3.
Ensure to mount JP501 and JP503 (stereo out). Connect headphones or a speaker at stereo jack P503.
4.
Set the SW200 switch to 5V_USB.
5.
Plug the USB cable at J600. Observe that the Red LED (D600) and the Green LED (D209) turn ON.
Note:
Red LED (D300) and Blue LED (D301) do not glow in this case.
6.
Long press
MFB
button (SW701) to turn ON the system and keep pressing the
MFB
button to enter into
Pairing mode. Once the system is turned ON, the Red LED (D301) and the Blue LED (D300) blink alternately
to indicate that the device has entered into Pairing mode.
7.
The following steps help in pairing between BM83 module and a smartphone:
7.1.
Turn ON the smartphone's Bluetooth to scan for the discoverable devices.
7.2.
Select the module device name “BM83” from the scan results.
7.3.
Enter
0000
as passcode to pair the smartphone with the BM83 module. The passcode is not required
if simple pairing is enabled in the Config Tool.
The smartphone displays “Connected” upon successful pairing as highlighted in the following figure. The audio can
be listened over the headphones.
Figure 14-1. Pairing BM83 with Smartphone
BM83 EVB
Appendix H: Bluetooth Audio Demonstration in ...
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2019 Microchip Technology Inc.
User Guide
DS50002902A-page 69