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 Forum index » Advanced Topics » Cutting edge
Bluez-Alsa
Moderators: Flash, Ian, JohnMurga
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greengeek


Joined: 20 Jul 2010
Posts: 5624
Location: Republic of Novo Zelande
PostPosted: Tue 03 Jul 2018, 15:10    Post subject:  Bluez-Alsa  
I am in the middle of efforts to connect bluetooth devices to my Slacko 5.6 derivative and trying to understand the required information, which includes the following:

- what protocol does the bluetooth device use?
- what functions does the device have?
- what bluetooth driver module is in use in the puppy?
- how is alsa configured?
- how do individual programmes interface with the alsa setup in order to correctly interface the bluetooth device?
etc
etc

However - Alsa never had the functionality required to handle features available in some modern bluetooth devices - it appears necessary to use pulseaudio to access all of the recent functionality.

I won't be using pulseaudio - i need to stick with Alsa - but i still want to make my bluetooth devices as useable as possible.

I stumbled across a Github project which is intended to update Alsa to include the latest features. I don't have the knowledge to use this yet but others may be interested in the github progress:

https://github.com/Arkq/bluez-alsa

** I have placed this in "cutting edge" because the github effort seems to be an attempt to develop new functionality rather than something that already offers a puppy useable pet or similar. Hope that's a reasonable place for it.
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rcrsn51


Joined: 05 Sep 2006
Posts: 12800
Location: Stratford, Ontario
PostPosted: Tue 03 Jul 2018, 15:24    Post subject:  
The Stretch-live Starter Kit has an bluetooth app that uses bluez-alsa.

Trying to incorporate it into an older Puppy is a significant problem because you also need all the other bluetooth infrastructure.
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greengeek


Joined: 20 Jul 2010
Posts: 5624
Location: Republic of Novo Zelande
PostPosted: Wed 04 Jul 2018, 03:54    Post subject:  
rcrsn51 wrote:
The Stretch-live Starter Kit has an bluetooth app that uses bluez-alsa.
Thanks - just gave that a try now. Very different to puppy. I could not find any method to connect audio output to my bluetooth device (Marley chant sport BT speaker).

Would I need to download extra software to get this going?

cheers!
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rcrsn51


Joined: 05 Sep 2006
Posts: 12800
Location: Stratford, Ontario
PostPosted: Wed 04 Jul 2018, 04:51    Post subject:  
Code:
apt-get update
apt-get install bt4stretch

Instructions are here. You also need to install an mplayer package like peasymp3.

Quote:
Very different to puppy.

Actually, it's exactly like Puppy. It's a light-weight Linux with a layered filesystem, frugal install, save folder, add-on sfs modules and access to a mainstream repo.
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rcrsn51


Joined: 05 Sep 2006
Posts: 12800
Location: Stratford, Ontario
PostPosted: Sat 07 Jul 2018, 08:43    Post subject:  
No reply?
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greengeek


Joined: 20 Jul 2010
Posts: 5624
Location: Republic of Novo Zelande
PostPosted: Sat 07 Jul 2018, 18:17    Post subject:  
Out of town at the moment. Blackberry and Android only. Sad
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greengeek


Joined: 20 Jul 2010
Posts: 5624
Location: Republic of Novo Zelande
PostPosted: Mon 09 Jul 2018, 04:23    Post subject:  
rcrsn51 wrote:
Code:
apt-get update
apt-get install bt4stretch

Instructions are here. You also need to install an mplayer package like peasymp3..
No joy so far. I tried to connect to the internet via peasywifi but without success. Read the help file which said use the I/F button to scan for wifi interfaces but it just came back with a box saying "Your possible wifi interfaces" and an OK button.

I tried to use prtscrn key to capture the message and desktop contents but got a message saying "Failed to execute child process "scrot".

I am assuming apt-get can't work without first establishing an internet connection via peasy wifi?

EDIT : I am using a Toshiba M700 with a "Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61)" internal wifi interface.
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rcrsn51


Joined: 05 Sep 2006
Posts: 12800
Location: Stratford, Ontario
PostPosted: Mon 09 Jul 2018, 05:30    Post subject:  
This is a firmware issue - the Starter Kit only contains a selection of the Intel firmware.

1. Run: dmesg | grep -i firmware.

2. This should identify the missing file, probably iwlwifi-4965-2.ucode.

3. Connect to Ethernet and download the package firmware-iwlwifi via apt-get.

4. Or get the single file from a Puppy and drop it into Stretch.
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greengeek


Joined: 20 Jul 2010
Posts: 5624
Location: Republic of Novo Zelande
PostPosted: Mon 09 Jul 2018, 15:14    Post subject:  
Thanks, I'm hoping to try this over the next couple of nights. I will try to get to the point of bluetooth attachment then post back.
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greengeek


Joined: 20 Jul 2010
Posts: 5624
Location: Republic of Novo Zelande
PostPosted: Wed 11 Jul 2018, 05:38    Post subject:  
rcrsn51 wrote:
This is a firmware issue - the Starter Kit only contains a selection of the Intel firmware.

1. Run: dmesg | grep -i firmware.

2. This should identify the missing file, probably iwlwifi-4965-2.ucode.

3. Connect to Ethernet and download the package firmware-iwlwifi via apt-get.

4. Or get the single file from a Puppy and drop it into Stretch.
Thanks - that was exactly the missing file. As it turns out using the ethernet cable was the most sensible way to go (haven't used it for years so it never came to mind!)

Instead of downloading that file and getting wifi going I used apt-get via ethernet to do an update then download bt4stretch.

I had mixed success - I was able to use bt4stretch to connect to my BT headphones (the headphones have a voice prompt that says "bluetooth successfully connected") but could not get a player running.

I tried:
apt-get gmplayer but the response was:
invalid operation gmplayer.

Similar response if I tried to download mplayer or peasymp3.

Any tips?

cheers!

ps: here's the terminal output of my use of bt4stretch to pair with the headphones:
Code:
[NEW] Controller 00:03:7A:B7:4C:9C live [NEW] Controller 00:03:7A:B7:4C:9C live [default]
[bluetooth]# scan on
Discovery started
[CHG] Controller 00:03:7A:B7:4C:9C Discovering: yes
[NEW] Device F2:FA:91:DD:FA:C6 F2-FA-91-DD-FA-C6
[CHG] Device F2:FA:91:DD:FA:C6 LegacyPairing: no
[CHG] Device F2:FA:91:DD:FA:C6 Name: 488126
[CHG] Device F2:FA:91:DD:FA:C6 Alias: 488126
[CHG] Device F2:FA:91:DD:FA:C6 LegacyPairing: yes
[CHG] Device F2:FA:91:DD:FA:C6 RSSI: -42
[bluetooth]# pair F2:FA:91:DD:FA:C6
Attempting to pair with F2:FA:91:DD:FA:C6
[CHG] Device F2:FA:91:DD:FA:C6 Connected: yes
[CHG] Device F2:FA:91:DD:FA:C6 UUIDs: 0000110b-0000-1000-8000-00805f9b34fb
[CHG] Device F2:FA:91:DD:FA:C6 UUIDs: 0000110e-0000-1000-8000-00805f9b34fb
[CHG] Device F2:FA:91:DD:FA:C6 UUIDs: 0000111e-0000-1000-8000-00805f9b34fb
[CHG] Device F2:FA:91:DD:FA:C6 ServicesResolved: yes
[CHG] Device F2:FA:91:DD:FA:C6 Paired: yes
Pairing successful
[CHG] Device F2:FA:91:DD:FA:C6 ServicesResolved: no
[CHG] Device F2:FA:91:DD:FA:C6 Connected: no
[bluetooth]# connect F2:FA:91:DD:FA:C6
Attempting to connect to F2:FA:91:DD:FA:C6
[CHG] Device F2:FA:91:DD:FA:C6 Connected: yes
Connection successful
[CHG] Device F2:FA:91:DD:FA:C6 ServicesResolved: yes
[488126]#
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rcrsn51


Joined: 05 Sep 2006
Posts: 12800
Location: Stratford, Ontario
PostPosted: Wed 11 Jul 2018, 08:23    Post subject:  
Quote:
apt-get gmplayer

It's
Quote:
apt-get install gmplayer

But get peasymp3 instead. Its .asouncdrc file already has the lines for bluetooth setup. Mplayer is an automatic dependency of peasymp3.

Your post above shows a successful BT connection to the speaker. That's the hard part. Now you just need to insert its MAC address into the .asouncdrc file. Use a copy/paste.

Then you can run the built-in player.
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bigpup


Joined: 11 Oct 2009
Posts: 12967
Location: S.C. USA
PostPosted: Wed 11 Jul 2018, 18:55    Post subject:  
Maybe this will work.

pBluetooth bluetooth manager
http://www.murga-linux.com/puppy/viewtopic.php?p=946012
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Pro

Joined: 12 Feb 2010
Posts: 112
PostPosted: Wed 11 Jul 2018, 19:03    Post subject:  
join this work
http://murga-linux.com/puppy/viewtopic.php?t=111331
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greengeek


Joined: 20 Jul 2010
Posts: 5624
Location: Republic of Novo Zelande
PostPosted: Thu 12 Jul 2018, 16:11    Post subject:  
Pro wrote:
join this work
http://murga-linux.com/puppy/viewtopic.php?t=111331
Thanks for pointing out that thread, I will join in at some point but need to finish my tests with Stretch Live Starter and also with Slacko 5.6 first.
cheers
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Pro

Joined: 12 Feb 2010
Posts: 112
PostPosted: Fri 13 Jul 2018, 01:06    Post subject:  
rcrsn51, good work on bt4stretch

Some info for you:
bluetoothctl (above 5.50) now have working non-interactive mode, ex. bluetoothctl --timeout 10 scan on
(scan device 10s and exit)

For hidd device may be not need hidd
#bluetoothctl connect device_mac_addr
and udev rules for autoconnect device, may be good choice (i not have bt mouse for test this)
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