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#ASUS USB BT400 NOT AUTORUN BLOCKED HOW TO#
#ASUS USB BT400 NOT AUTORUN BLOCKED BLUETOOTH#

WARNING: Raspbian repository is now using Bluez 5

WARNING: Raspbian repository is still using PulseAudio 5 I recommend starting with a fresh Raspbian Jessie, in order to avoid any existing configuration files, the need to purge packages, …etc. I’ll do it in that incremental order, A2DP, then HSP, and last HFP.Īfter this long synopsis, let’s put the pieces together. HFP, Hands-Free Profile, the device acts as a phone, so it exchanges audio in/out and telephony commands. HSP, Headset Profile, the device exchanges in/out audio and some basic AT commands. HFP: BlueZ → oFono → PulseAudio (6+) → ALSAįor those who don’t know the difference between A2DP/HSP/HFP:Ī2DP, Advanced Audio Distribution Profile, for high audio quality, as normal speakers.

And for HFP, you have to use another module: oFono.

Later, it added also a native support of HSP profile (>=v6.0).

PulseAudio (5.0) supported only A2DP profile.

Instead, BlueZ is now using PulseAudio (>= 5.0)Īll BlueZ tutorials and tips where you see ALSA commands (aplay, arecord,…) are now useless.

But, BlueZ (>= v5.0) doesn’t support ALSA anymore.

First Linux audio manager that comes to mind is ALSA.

So, BlueZ needs additional SW components for audio management.

#ASUS USB BT400 NOT AUTORUN BLOCKED BLUETOOTH#

BlueZ deals with pure Bluetooth tasks (pairing/connection/…).Raspbian uses BlueZ as Bluetooth stack.Let’s start first with some important information: If you are here for curiosity, know that the post is quite long, so make yourself comfortable. I took time to mention relevant and exhaustive information, so you don’t need to go through all Google results and workarounds that I already read and tested with no success.

#ASUS USB BT400 NOT AUTORUN BLOCKED HOW TO#

This post will show you how to connect a Bluetooth headset (microphone/speakers) to your Raspberry Pi, it is a sum up of several weeks I’ve spent trying to find a stable solution. This post is no more updated, read my two new posts:Ĭonnect Bluetooth Headset To Raspberry Pi 3 (AD2P only)Ĭonnect Bluetooth Headset To Raspberry Pi 3 (A2DP & HSP)