[Bluez-users] Bluetooth Device(Headset(Audio)+Data transfer) for a Linux PC

[Bluez-users] Bluetooth Device(Headset(Audio)+Data transfer) for a Linux PC

[Benjamin Vasanthakumar J]

Dear all,

We are planning for a single bluetooth device(microcontroller based)
featuring a headset and our custom hardware device which sends status
to the PC and gets control information over bluetooth. We plan to use
a Bluetooth SoC with Headset Profile interfaced to the microcontroller
over UART which fetches the status/control data from our custom
hardware.

On the PC side(linux) we are going to use a standard USB Bluetooth
dongle. We are using the Bluez on the Linux PC side.

i) We need to send audio information(playing song using some MP3
player) from PC to the bluetooth device headset and also send data
from Mic to the PC for voice recording.

What setup we need to make for audio configuration in Linux PC to
route the audio information to the headset and a voice recording
setup?

ii) Parallely we want to recieve the status info from the bluetooth
device and need to send the appropriate control information from PC.
We have tested data transfer between 2 PCs using BT USB dongles at
L2CAP level. But our final target is we need to implement in firware
on our Microcontroller.

Is there a firmware level implementation of Bluez available?

Please advice.

Thanks & Regards,
Benny


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Re: [Bluez-users] Bluetooth Device(Headset(Audio)+Data transfer) for a Linux PC

[Marcel Holtmann]

Hi Benny,

> We are planning for a single bluetooth device(microcontroller based)
> featuring a headset and our custom hardware device which sends status
> to the PC and gets control information over bluetooth. We plan to use
> a Bluetooth SoC with Headset Profile interfaced to the microcontroller
> over UART which fetches the status/control data from our custom
> hardware.
> 
> On the PC side(linux) we are going to use a standard USB Bluetooth
> dongle. We are using the Bluez on the Linux PC side.
> 
> i) We need to send audio information(playing song using some MP3
> player) from PC to the bluetooth device headset and also send data
> from Mic to the PC for voice recording.
> 
> What setup we need to make for audio configuration in Linux PC to
> route the audio information to the headset and a voice recording
> setup?

look at the information at bluetooth-alsa.sf.net

> ii) Parallely we want to recieve the status info from the bluetooth
> device and need to send the appropriate control information from PC.
> We have tested data transfer between 2 PCs using BT USB dongles at
> L2CAP level. But our final target is we need to implement in firware
> on our Microcontroller.
> 
> Is there a firmware level implementation of Bluez available?

No and we don't have any plans for it, until the firmware of your
Microcontroller is Linux based.

Regards

Marcel




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