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CC2564B: A3DP Multiroom + SPP Issue

Dong Won Lee
Intellectual 670 points

Part Number: CC2564B

Hi,

I combined two demos, A3DP Multiroom Demo and SPP Demo.

A3DP+SPP Demo works fine and functions of each Demo are work fine.

but there is A3DP Multiroom connection problem.

Connect SPP after Multiroom is connected: No problem.

Connect Multiroom after SPP is connected : Multiroom cannot be connected.

after spp is connected, i execute slave command at slave board and master command(master [BD_ADDR]).

but there isn't any responding from UART.

is there any rule that "A3DP Multiroom isn't working when spp is connected" in Ti Bluetopia Stack?

  • 0
    TI__Mastermind 29250 points

    Dong,

    Dong Won Lee said:
    is there any rule that "A3DP Multiroom isn't working when spp is connected" in Ti Bluetopia Stack?

    The A3DPMultiRoomDemo application is only designed to work in the 1 source & 2 sink (one master, one slave) use-case. The performance or robustness of this demo cannot be guaranteed when combining with another profile.

    The CC256XMSPBTBLESW is a pretty old SDK and the multiroom demo is discontinued in the later dual-mode Bluetooth Stack SDKs. Your best option is to design your application in a way that will ensure that the multiroom is always connected first.

    Best regards,

    Vihang