HFP for Linux Bluetooth Hands Free

**Malo** · 11-03-2008, 03:28 AM

Originally Posted by samr7

your carrier isn't implementing UDUB. Perhaps the busy button needs to be removed if the phone claims to support normal call rejection.

Yes, i never hear something about UDUB feature in italy carriers'. So i think that's not so important for me.

I haven't added any of this to hfconsole because I'm not a big UI guy and am actually looking for some help. Know anybody who knows python?

I was wondering to learn python.. It could be a starting point. But I'm also studying for Zend PHP certification, and working, and doing sport and so on. My free time it's very little...

. But you just show me that anyone can contribute to this project, and i hope i will.

At the same time it will hopefully fulfill its primary objective of being a hands-free better than FreePhone.

I hope so

Anyone that want to join this project?

**BPM80** · 11-03-2008, 03:48 AM

thx samr7,

now i am able to build and run it. looks ok but i have problems with my soundcard at the moment (ALC889). i will make more tests when i solved the other problem.

it seems that the progress of this project goes forward very fast.

GREAT JOB!!!

**duxa** · 11-03-2008, 05:44 PM

Originally Posted by samr7

I'm sorry your mic doesn't work and the voice is garbled, and am puzzled why this would be the case, given that the loopback worked well and your pump configuration appears to be healthy. What sort of Bluetooth module are you using? Does 'hciconfig hci0 voice' as discussed earlier in the thread give any clues?

The bluetooth dongle says just "Prodige" on it. Some linux HW compatibility list claimed that it's supported. What brand of dongle are you using? I could try and find the same one, then we'd know if it's the dongle causing problems.

Output of hciconfig seems to be exactly like yours:

Code:

hci0:   Type: USB
        BD Address: 00:01:53:00:CF:08 ACL MTU: 384:8 SCO MTU: 64:8
        Voice setting: 0x0060 (Default Condition)
        Input Coding: Linear
        Input Data Format: 2's complement
        Input Sample Size: 16 bit
        # of bits padding at MSB: 0
        Air Coding Format: CVSD

Takes quite a

to want this feature in an HTPC! Seriously, that would be very cool to see. If you want to plug it in to Freevo and need help/features/etc, or have some constructive things to say about the backend interfaces

, let me know!

I'll get to that once I get the system working on the lower level first. What I'd eventually like is a clean and simple Python API which could be used to place/hangup calls, perhaps monitor some status parameters and also some sort of a hook/callback for incoming calls and hang-ups.

I'm not really into the car stuff (I only learned about nghost now, came here because google found your forum post :-)), but I'm really glad that you have decided to generalize the functionality into general purpose libraries.

**BPM80** · 11-04-2008, 10:05 AM

i am able to start hfconsole, pair my device, accept calls and dial out.
but when the call starts the bt-connection broke.

my mobile is an sony ericcson V630

my output:

Code:

hfconsole

(hfconsole:6048): libglade-WARNING **: could not find glade file './hfconsole.glade'

(hfconsole:6048): libglade-WARNING **: could not find glade file './data/hfconsole.glade'
HFPD: HCI Command status: 0x00 0x01 0x0405
HFPD: HCI Command status: 0x00 0x01 0x041b
HFPD: HCI Command status: 0x00 0x01 0x0419
HFPD: HCI Name request complete (0): "00:19:63:1C:E2:78" -> "Markus"
HFPD: SDP: Supported features: 17
HFPD: << AT+BRSF=15
HFPD: HCI Submit 0x0419
HFPD: HCI Command status: 0x00 0x01 0x0419
HFPD: HCI Name request complete (0): "00:19:63:1C:E2:78" -> "Markus"
HFPD: >> +BRSF:503
HFPD: >> OK
HFPD: << AT+CIND=?
HFPD: >> +CIND: ("service",(0-1)),("callheld",(0-2)),("call",(0-1)),("callsetup",(0-3)),("signal",(0-5)),("roam",(0-1)),("battchg",(0-5)),("message",(0-1)),("batterywarning",(0-1)),("chargerconnected",(0-1))
HFPD: >> OK
HFPD: << AT+CMER=3,0,0,1
HFPD: >> OK
HFPD: << AT+CLIP=1
HFPD: >> ERROR
HFPD: << AT+CCWA=1
HFPD: >> ERROR
HFPD: << AT+CHLD=?
HFPD: >> ERROR
HFPD: << AT+CIND?
HFPD: AG 00:19:63:1C:E2:78: Connected
HFPD: >> +CIND: 1,0,0,0,5,0,3,0,0,0
HFPD: >> OK
HFPD: << AT+BLDN
HFPD: >> OK
HFPD: >> +CIEV: 4,2
HFPD: HCI Command status: 0x00 0x01 0x0429
HFPD: AudioGatewayStart: /net/sf/nohands/hfpd/00_19_63_1C_E2_78
HFPD: ** OpLatency: primary open took 156ms
HFPD: ALSA play state: 2
HFPD: ALSA play state: 2
HFPD: ALSA rec state: 2
HFPD: ALSA rec state: 2
HFPD: Config warn: Configured output minimum buffer (40) is less than the bottom packet size (170)
HFPD: Pump: packet size = 12
HFPD: Pump: input max fill = 340
HFPD: Pump: bot packet size = 170
HFPD: Pump: bot min fill = 170
HFPD: Pump: bot max fill = 340
HFPD: Pump: top packet size = 24
HFPD: Pump: top min fill = 40
HFPD: Pump: top max fill = 64
HFPD: Pump: watchdog timeout = 500
HFPD: Echo tail: 800
HFPD: ALSA play state: 2
HFPD: ALSA rec state: 2
HFPD: >> +CIEV: 4,3
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: **** ALSA playback xrun ****
HFPD: SoundIoPump: Top endpoint watchdog timeout
HFPD: SoundIoPump Stopped
HFPD: Spontaneous audio stream halt
HFPD: Read from RFCOMM socket: Software caused connection abort
HFPD: AG 00:19:63:1C:E2:78: Disconnected
HFPD: HCI socket read error: Broken pipe
HFPD: Bluetooth System Shut Down
HFPD: SCO MTU: 64:8
HFPD: Bluetooth System Started
HFPD: *** Your configured device class may not be recognized as a hands-free
HFPD: *** Edit /etc/bluetooth/hcid.conf and change:
HFPD: *** class 0x380408;
HFPD: HCI Command status: 0x00 0x01 0x0405
HFPD: HCI Command status: 0x00 0x01 0x041b
HFPD: HCI Command status: 0x00 0x01 0x0419
HFPD: HCI Name request complete (0): "00:19:63:1C:E2:78" -> "Markus"
HFPD: SDP: Supported features: 17
HFPD: << AT+BRSF=15
HFPD: >> +BRSF:503
HFPD: >> OK
HFPD: << AT+CIND=?
HFPD: >> +CIND: ("service",(0-1)),("callheld",(0-2)),("call",(0-1)),("callsetup",(0-3)),("signal",(0-5)),("roam",(0-1)),("battchg",(0-5)),("message",(0-1)),("batterywarning",(0-1)),("chargerconnected",(0-1))
HFPD: >> OK
HFPD: << AT+CMER=3,0,0,1
HFPD: >> OK
HFPD: << AT+CLIP=1
HFPD: >> ERROR
HFPD: << AT+CCWA=1
HFPD: >> ERROR
HFPD: << AT+CHLD=?
HFPD: >> ERROR
HFPD: << AT+CIND?
HFPD: AG 00:19:63:1C:E2:78: Connected
HFPD: >> +CIND: 1,0,0,0,5,0,3,0,0,0
HFPD: >> OK

my output in dmesg:

Code:

usb 4-2: new full speed USB device using uhci_hcd and address 2
usb 4-2: configuration #1 chosen from 1 choice
usb 4-2: New USB device found, idVendor=0a5c, idProduct=2101
usb 4-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 4-2: Product: Acer Module
usb 4-2: Manufacturer: Broadcom Corp
Bluetooth: HCI USB driver ver 2.9
usbcore: registered new interface driver hci_usb
Bluetooth: SCO (Voice Link) ver 0.5
Bluetooth: SCO socket layer initialized
usb 4-2: USB disconnect, address 2
usb 4-2: new full speed USB device using uhci_hcd and address 3
usb 4-2: configuration #1 chosen from 1 choice
usb 4-2: New USB device found, idVendor=0a5c, idProduct=2101
usb 4-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 4-2: Product: Acer Module
usb 4-2: Manufacturer: Broadcom Corp

any idea whats the reason for this problem?

**BPM80** · 11-05-2008, 04:06 AM

it seems that my post yesterday was to long (Moderator have to publish it) so i will write with less log messages.

i am able to run hfconsole, pair the device, accept calls and dial out. but when the call starts the bt-connection break.

i only post things which i think they are important:
after starting hfconsole:
(hfconsole:7889): libglade-WARNING **: could not find glade file './hfconsole.glade'

(hfconsole:7889): libglade-WARNING **: could not find glade file './data/hfconsole.glade'
...........
HFPD: << AT+CLIP=1
HFPD: >> ERROR
HFPD: << AT+CCWA=1
HFPD: >> ERROR
HFPD: << AT+CHLD=?
HFPD: >> ERROR
HFPD: << AT+CIND?
HFPD: AG 00:19:63:1C:E2:78: Connected
.........
HFPD: >> RING
HFPD: >> +CIEV: 4,1
HFPD: HCI Command status: 0x00 0x01 0x0429
HFPD: AudioGatewayStart: /net/sf/nohands/hfpd/00_19_63_1C_E2_78
HFPD: ** OpLatency: primary open took 140ms
HFPD: ALSA play state: 2
HFPD: ALSA play state: 2
HFPD: ALSA rec state: 2
HFPD: ALSA rec state: 2
HFPD: Config warn: Configured output minimum buffer (40) is less than the bottom packet size (170)
HFPD: Pump: packet size = 12
HFPD: Pump: input max fill = 340
HFPD: Pump: bot packet size = 170
HFPD: Pump: bot min fill = 170
HFPD: Pump: bot max fill = 340
HFPD: Pump: top packet size = 24
HFPD: Pump: top min fill = 40
HFPD: Pump: top max fill = 64
HFPD: Pump: watchdog timeout = 500
HFPD: Echo tail: 800
HFPD: ALSA play state: 2
HFPD: ALSA rec state: 2
HFPD: **** ALSA playback xrun ****
......................
HFPD: SoundIoPump: Top endpoint watchdog timeout
HFPD: SoundIoPump Stopped
HFPD: Spontaneous audio stream halt
HFPD: Read from RFCOMM socket: Software caused connection abort
HFPD: AG 00:19:63:1C:E2:78: Disconnected
HFPD: HCI socket read error: Broken pipe
HFPD: Bluetooth System Shut Down
HFPD: SCO MTU: 64:8
HFPD: Bluetooth System Started
HFPD: *** Your configured device class may not be recognized as a hands-free
HFPD: *** Edit /etc/bluetooth/hcid.conf and change:
HFPD: *** class 0x380408;

in hcid.conf i set:
# Local device class
class 0x380408;

can anybody help me resolving this problem?

**BPM80** · 11-05-2008, 04:09 AM

it seems that my post yesterday was to long (Moderator have to publish it) so i will write with less log messages.

i am able to run hfconsole, pair the device, accept calls and dial out. but when the call starts the bt-connection break.

i only post things which i think they are important:
after starting hfconsole:
(hfconsole:7889): libglade-WARNING **: could not find glade file './hfconsole.glade'

(hfconsole:7889): libglade-WARNING **: could not find glade file './data/hfconsole.glade'
...........
HFPD: << AT+CLIP=1
HFPD: >> ERROR
HFPD: << AT+CCWA=1
HFPD: >> ERROR
HFPD: << AT+CHLD=?
HFPD: >> ERROR
HFPD: << AT+CIND?
HFPD: AG 00:19:63:1C:E2:78: Connected

**BPM80** · 11-05-2008, 04:10 AM

part 2:
.........
HFPD: >> RING
HFPD: >> +CIEV: 4,1
HFPD: HCI Command status: 0x00 0x01 0x0429
HFPD: AudioGatewayStart: /net/sf/nohands/hfpd/00_19_63_1C_E2_78
HFPD: ** OpLatency: primary open took 140ms
HFPD: ALSA play state: 2
HFPD: ALSA play state: 2
HFPD: ALSA rec state: 2
HFPD: ALSA rec state: 2
HFPD: Config warn: Configured output minimum buffer (40) is less than the bottom packet size (170)
HFPD: Pump: packet size = 12
HFPD: Pump: input max fill = 340
HFPD: Pump: bot packet size = 170
HFPD: Pump: bot min fill = 170
HFPD: Pump: bot max fill = 340
HFPD: Pump: top packet size = 24
HFPD: Pump: top min fill = 40
HFPD: Pump: top max fill = 64
HFPD: Pump: watchdog timeout = 500
HFPD: Echo tail: 800
HFPD: ALSA play state: 2
HFPD: ALSA rec state: 2
HFPD: **** ALSA playback xrun ****
......................
HFPD: SoundIoPump: Top endpoint watchdog timeout
HFPD: SoundIoPump Stopped
HFPD: Spontaneous audio stream halt
HFPD: Read from RFCOMM socket: Software caused connection abort
HFPD: AG 00:19:63:1C:E2:78: Disconnected
HFPD: HCI socket read error: Broken pipe
HFPD: Bluetooth System Shut Down
HFPD: SCO MTU: 64:8
HFPD: Bluetooth System Started
HFPD: *** Your configured device class may not be recognized as a hands-free
HFPD: *** Edit /etc/bluetooth/hcid.conf and change:
HFPD: *** class 0x380408;

in hcid.conf i set:
# Local device class
class 0x380408;

can anybody help me resolving this problem?

**duxa** · 11-05-2008, 04:15 AM

Originally Posted by BPM80

i am able to run hfconsole, pair the device, accept calls and dial out. but when the call starts the bt-connection break.

I noticed that hfconsole leaves instances of hfpd behind, and if I don't kill the old instances before starting hfconsole again, it behaves exactly like you described (except that the BT connection doesn't really break, but the voice isn't transmitted to PC either).

So maybe "killall hfpd" before running hfconsole helps.

**BPM80** · 11-05-2008, 04:28 AM

same problem.
when a call starts the bt-connection break. when the call is over the device is attachted again.

i never made apps in python but i could make a frontend in java if you want.

but python is much better i think because user do not need to install the jre. perhaps i should lern python but i have to code every day in the office and so there is less time to learn a new language.

**samr7** · 11-05-2008, 04:42 AM

Originally Posted by BPM80

HFPD: HCI socket read error: Broken pipe
HFPD: Bluetooth System Shut Down
HFPD: SCO MTU: 64:8
HFPD: Bluetooth System Started

Hi BPM80,

This is _very_ interesting. Can you reproduce it reliably? It's strange that the entire Bluetooth subsystem on your machine was shut down and restarted at this point. Are there any clues in your /var/log/messages file? I'll bet you'll find some USB disconnect messages there, and that all of this happened because your Bluetooth HCI was reset by the USB subsystem. I have seen this happen, but did not get to the bottom of it and was left to speculate that it was caused by firmware bugs in the Bluetooth adapter. Anyway, if this is indeed caused by firmware bugs, there might be some way to alter hfpd to not exacerbate them.

Do you have any other Bluetooth dongles on hand?