Hi andrey larin
>>From your description, the headset need to open visibility to be found. Hope this is not your tiny mistake. :-)
Cheers
-Gawain.
________________________________
From: [email protected] [mailto:[email protected]] On Behalf Of andrey larin
Sent: Friday, September 14, 2007 4:49 AM
To: BlueZ development
Subject: Re: [Bluez-devel] handsfree or headset support on pc
after all i see while serching
i think this:
currently software is able to handle this
but requred some tuning
but may be i wrong :)
so i more interested in technical details
if you could provide ... some :)
or say that i wrong and there is requerd a lot of coding
2007/9/13, robert <[email protected]>:
I am working on a project to implement the handsfree profile on a
pc. It is still pretty early on, but it is getting there. A lot of
the code is written in java, and some of the SCO connection
management is written in C. Let me know if you are interested in
something like that.
cheers,
--robert
On Sep 13, 2007, at 12:34 PM, andrey larin wrote:
> hi i done a lot searching but don't find anything
> about handsfree or headset profile support on pc ( moble phone uses pc
> speaker and microphone (so named answer machine ) )
> so you are the bluez developers
> maybe you can answer me it is curently possible or not
>
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Audio Gateway.
Serial Port is a generic serial port that can be used for arbitrary
communication with the phone. Audio Gateway is for the handset. I
do not believe the phone will attempt to establish an SCO connection
with a device that is not connected over one of the Audio Gateway
channels.
--robert
On Sep 14, 2007, at 11:31 AM, andrey larin wrote:
> here is one of the moment
> did i must bind rfcomm to phone channel where the serial port is
> shown or to where the audio gateway is shown ?
>
> 2007/9/14, robert < [email protected]>:
> I am not sure if that will work, unless the phone recognizes your
> computer as a handsfree device. Normally there is a step in the
> phone where you have to add a handsfree device, and then you have
> to go through a handshake on that channel.
>
> Also, make sure that you are connecting to the correct channel. If
> you run
>
> >sdptool browse <bluetooth address of phone>
>
> One should look like
> Service Name: Handsfree Voice Gateway
> Service Description: Handsfree Voice Gateway
> Service Provider: /a/mobile/system/cl.gif
> Service RecHandle: 0x10007
> Service Class ID List:
> "Handfree Audio Gateway" (0x111f)
> "Generic Audio" (0x1203)
> Protocol Descriptor List:
> "L2CAP" (0x0100)
> "RFCOMM" (0x0003)
> Channel: 7
> Language Base Attr List:
> code_ISO639: 0x656e
> encoding: 0x6a
> base_offset: 0x100
> code_ISO639: 0x6672
> encoding: 0x6a
> base_offset: 0xc800
> code_ISO639: 0x6573
> encoding: 0x6a
> base_offset: 0xc803
> code_ISO639: 0x7074
> encoding: 0x6a
> base_offset: 0xc806
> Profile Descriptor List:
> "Handsfree" (0x111e)
> Version: 0x0101
>
> You have to connect to (or bind in your case) to rfcomm channel 7
> (in this example). Otherwise, the phone will not recognize that
> you are trying to connect as a headset.
>
> Second, you have to complete the handshake defined inside of the
> bluetooth headset profile. Once again, otherwise the phone will
> not recognize you as a headset.
>
> There are a lot of little gotchas like this that are kind of hard
> to track down. Once I figure them all out, I hope to write an
> article on my site, alongside of the code I release.
>
> cheers,
> --robert
>
> On Sep 14, 2007, at 10:48 AM, andrey larin wrote:
>
>> well the things i want to make samethin like phonecontrol.net in
>> windows
>>
>> for managing telephone and other there is a good tool gammu
>>
>> and when the call comes or maked i want to establish audio connection
>>
>> so i want to make it work after HF profile is registred and
>> listening service is running
>> as i understand the audio is channelles
>>
>> the listening service is the goal
>>
>>
>>
>> 2007/9/14, andrey larin < [email protected]>:
>> well
>> what i do..
>> in gentoo and testing 2 phones SonyEricsson-w800 and Nokia 5200
>>
>> install bluez
>>
>> registered HF service using sdptool
>>
>> using hcitool and sdptool
>> finding phone and it rfcomm channel
>> on phone i set that my pc is can always connect to phone
>> binding using rfcomm to /dev/rfcomm0
>> and just using minicom
>>
>> i even make a stupid script in bash to connect to rfcomm on phone
>>
>> when the ring comes i try at command to request audio channel
>>
>> but nothing
>>
>> maybe same thing foget to tell
>>
>> 2007/9/14, robert < [email protected]>:
>> Hello Andrey,
>>
>> let me back up for a second and ask how you are trying to access the
>> handsfree?
>>
>> Is the phone paired with your computer?
>> Is the phone paired with your computer as a Handsfree device?
>> What kind of phone are you using?
>> For your RFCOMM channel, are you connecting to the channel channel
>> are you connecting to on the phone?
>> How are you handing the RFCOMM processing?
>>
>> I left out some steps about Service Discovery and Pairing that I
>> assumed you already completed.
>>
>> --robert
>>
>> On Sep 14, 2007, at 12:39 AM, andrey larin wrote:
>>
>> > i try to do something similar but
>> > last time a wrote programs was wery long ago so
>> > i don't understud your code in proper :((
>> > but i tried to do as you say
>> >
>> > and nothing happens
>> >
>> > coud you explain what your code exactly do ?
>> >
>> >
>>
>>
>> ---------------------------------------------------------------------
>> ----
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>> Defy all challenges. Microsoft(R) Visual Studio 2005.
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>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>>
>>
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>
>
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here is one of the moment
did i must bind rfcomm to phone channel where the serial port is shown or to
where the audio gateway is shown ?
2007/9/14, robert <[email protected]>:
>
> I am not sure if that will work, unless the phone recognizes your computer
> as a handsfree device. Normally there is a step in the phone where you have
> to add a handsfree device, and then you have to go through a handshake on
> that channel.
> Also, make sure that you are connecting to the correct channel. If you
> run
>
> >sdptool browse <bluetooth address of phone>
>
> One should look like
> Service Name: Handsfree Voice Gateway
> Service Description: Handsfree Voice Gateway
> Service Provider: /a/mobile/system/cl.gif
> Service RecHandle: 0x10007
> Service Class ID List:
> "Handfree Audio Gateway" (0x111f)
> "Generic Audio" (0x1203)
> Protocol Descriptor List:
> "L2CAP" (0x0100)
> "RFCOMM" (0x0003)
> Channel: 7
> Language Base Attr List:
> code_ISO639: 0x656e
> encoding: 0x6a
> base_offset: 0x100
> code_ISO639: 0x6672
> encoding: 0x6a
> base_offset: 0xc800
> code_ISO639: 0x6573
> encoding: 0x6a
> base_offset: 0xc803
> code_ISO639: 0x7074
> encoding: 0x6a
> base_offset: 0xc806
> Profile Descriptor List:
> "Handsfree" (0x111e)
> Version: 0x0101
>
> You have to connect to (or bind in your case) to rfcomm channel 7 (in this
> example). Otherwise, the phone will not recognize that you are trying to
> connect as a headset.
>
> Second, you have to complete the handshake defined inside of the bluetooth
> headset profile. Once again, otherwise the phone will not recognize you as
> a headset.
>
> There are a lot of little gotchas like this that are kind of hard to track
> down. Once I figure them all out, I hope to write an article on my site,
> alongside of the code I release.
>
> cheers,
> --robert
>
> On Sep 14, 2007, at 10:48 AM, andrey larin wrote:
>
> well the things i want to make samethin like phonecontrol.net in windows
>
> for managing telephone and other there is a good tool gammu
>
> and when the call comes or maked i want to establish audio connection
>
> so i want to make it work after HF profile is registred and listening
> service is running
> as i understand the audio is channelles
>
> the listening service is the goal
>
>
>
> 2007/9/14, andrey larin <[email protected]>:
> >
> > well
> > what i do..
> > in gentoo and testing 2 phones SonyEricsson-w800 and Nokia 5200
> >
> > install bluez
> >
> > registered HF service using sdptool
> >
> > using hcitool and sdptool
> > finding phone and it rfcomm channel
> > on phone i set that my pc is can always connect to phone
> > binding using rfcomm to /dev/rfcomm0
> > and just using minicom
> >
> > i even make a stupid script in bash to connect to rfcomm on phone
> >
> > when the ring comes i try at command to request audio channel
> >
> > but nothing
> >
> > maybe same thing foget to tell
> >
> > 2007/9/14, robert < [email protected]>:
> > >
> > > Hello Andrey,
> > >
> > > let me back up for a second and ask how you are trying to access the
> > > handsfree?
> > >
> > > Is the phone paired with your computer?
> > > Is the phone paired with your computer as a Handsfree device?
> > > What kind of phone are you using?
> > > For your RFCOMM channel, are you connecting to the channel channel
> > > are you connecting to on the phone?
> > > How are you handing the RFCOMM processing?
> > >
> > > I left out some steps about Service Discovery and Pairing that I
> > > assumed you already completed.
> > >
> > > --robert
> > >
> > > On Sep 14, 2007, at 12:39 AM, andrey larin wrote:
> > >
> > > > i try to do something similar but
> > > > last time a wrote programs was wery long ago so
> > > > i don't understud your code in proper :((
> > > > but i tried to do as you say
> > > >
> > > > and nothing happens
> > > >
> > > > coud you explain what your code exactly do ?
> > > >
> > > >
> > >
> > >
> > > -------------------------------------------------------------------------
> > >
> > > This SF.net email is sponsored by: Microsoft
> > > Defy all challenges. Microsoft(R) Visual Studio 2005.
> > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> > > _______________________________________________
> > > Bluez-devel mailing list
> > > [email protected]
> > > https://lists.sourceforge.net/lists/listinfo/bluez-devel
> > >
> >
> >
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> [email protected]
> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>
>
>
> -------------------------------------------------------------------------
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> [email protected]
> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>
>
I am not sure if that will work, unless the phone recognizes your
computer as a handsfree device. Normally there is a step in the
phone where you have to add a handsfree device, and then you have to
go through a handshake on that channel.
Also, make sure that you are connecting to the correct channel. If
you run
>sdptool browse <bluetooth address of phone>
One should look like
Service Name: Handsfree Voice Gateway
Service Description: Handsfree Voice Gateway
Service Provider: /a/mobile/system/cl.gif
Service RecHandle: 0x10007
Service Class ID List:
"Handfree Audio Gateway" (0x111f)
"Generic Audio" (0x1203)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 7
Language Base Attr List:
code_ISO639: 0x656e
encoding: 0x6a
base_offset: 0x100
code_ISO639: 0x6672
encoding: 0x6a
base_offset: 0xc800
code_ISO639: 0x6573
encoding: 0x6a
base_offset: 0xc803
code_ISO639: 0x7074
encoding: 0x6a
base_offset: 0xc806
Profile Descriptor List:
"Handsfree" (0x111e)
Version: 0x0101
You have to connect to (or bind in your case) to rfcomm channel 7 (in
this example). Otherwise, the phone will not recognize that you are
trying to connect as a headset.
Second, you have to complete the handshake defined inside of the
bluetooth headset profile. Once again, otherwise the phone will not
recognize you as a headset.
There are a lot of little gotchas like this that are kind of hard to
track down. Once I figure them all out, I hope to write an article
on my site, alongside of the code I release.
cheers,
--robert
On Sep 14, 2007, at 10:48 AM, andrey larin wrote:
> well the things i want to make samethin like phonecontrol.net in
> windows
>
> for managing telephone and other there is a good tool gammu
>
> and when the call comes or maked i want to establish audio connection
>
> so i want to make it work after HF profile is registred and
> listening service is running
> as i understand the audio is channelles
>
> the listening service is the goal
>
>
>
> 2007/9/14, andrey larin <[email protected]>:
> well
> what i do..
> in gentoo and testing 2 phones SonyEricsson-w800 and Nokia 5200
>
> install bluez
>
> registered HF service using sdptool
>
> using hcitool and sdptool
> finding phone and it rfcomm channel
> on phone i set that my pc is can always connect to phone
> binding using rfcomm to /dev/rfcomm0
> and just using minicom
>
> i even make a stupid script in bash to connect to rfcomm on phone
>
> when the ring comes i try at command to request audio channel
>
> but nothing
>
> maybe same thing foget to tell
>
> 2007/9/14, robert < [email protected]>:
> Hello Andrey,
>
> let me back up for a second and ask how you are trying to access the
> handsfree?
>
> Is the phone paired with your computer?
> Is the phone paired with your computer as a Handsfree device?
> What kind of phone are you using?
> For your RFCOMM channel, are you connecting to the channel channel
> are you connecting to on the phone?
> How are you handing the RFCOMM processing?
>
> I left out some steps about Service Discovery and Pairing that I
> assumed you already completed.
>
> --robert
>
> On Sep 14, 2007, at 12:39 AM, andrey larin wrote:
>
> > i try to do something similar but
> > last time a wrote programs was wery long ago so
> > i don't understud your code in proper :((
> > but i tried to do as you say
> >
> > and nothing happens
> >
> > coud you explain what your code exactly do ?
> >
> >
>
>
> ----------------------------------------------------------------------
> ---
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
> Bluez-devel mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>
>
> ----------------------------------------------------------------------
> ---
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
> Bluez-devel mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/bluez-devel
well the things i want to make samethin like phonecontrol.net in windows
for managing telephone and other there is a good tool gammu
and when the call comes or maked i want to establish audio connection
so i want to make it work after HF profile is registred and listening
service is running
as i understand the audio is channelles
the listening service is the goal
2007/9/14, andrey larin <[email protected]>:
>
> well
> what i do..
> in gentoo and testing 2 phones SonyEricsson-w800 and Nokia 5200
>
> install bluez
>
> registered HF service using sdptool
>
> using hcitool and sdptool
> finding phone and it rfcomm channel
> on phone i set that my pc is can always connect to phone
> binding using rfcomm to /dev/rfcomm0
> and just using minicom
>
> i even make a stupid script in bash to connect to rfcomm on phone
>
> when the ring comes i try at command to request audio channel
>
> but nothing
>
> maybe same thing foget to tell
>
> 2007/9/14, robert <[email protected]>:
> >
> > Hello Andrey,
> >
> > let me back up for a second and ask how you are trying to access the
> > handsfree?
> >
> > Is the phone paired with your computer?
> > Is the phone paired with your computer as a Handsfree device?
> > What kind of phone are you using?
> > For your RFCOMM channel, are you connecting to the channel channel
> > are you connecting to on the phone?
> > How are you handing the RFCOMM processing?
> >
> > I left out some steps about Service Discovery and Pairing that I
> > assumed you already completed.
> >
> > --robert
> >
> > On Sep 14, 2007, at 12:39 AM, andrey larin wrote:
> >
> > > i try to do something similar but
> > > last time a wrote programs was wery long ago so
> > > i don't understud your code in proper :((
> > > but i tried to do as you say
> > >
> > > and nothing happens
> > >
> > > coud you explain what your code exactly do ?
> > >
> > >
> >
> >
> > -------------------------------------------------------------------------
> >
> > This SF.net email is sponsored by: Microsoft
> > Defy all challenges. Microsoft(R) Visual Studio 2005.
> > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> > _______________________________________________
> > Bluez-devel mailing list
> > [email protected]
> > https://lists.sourceforge.net/lists/listinfo/bluez-devel
> >
>
>
well
what i do..
in gentoo and testing 2 phones SonyEricsson-w800 and Nokia 5200
install bluez
registered HF service using sdptool
using hcitool and sdptool
finding phone and it rfcomm channel
on phone i set that my pc is can always connect to phone
binding using rfcomm to /dev/rfcomm0
and just using minicom
i even make a stupid script in bash to connect to rfcomm on phone
when the ring comes i try at command to request audio channel
but nothing
maybe same thing foget to tell
2007/9/14, robert <[email protected]>:
>
> Hello Andrey,
>
> let me back up for a second and ask how you are trying to access the
> handsfree?
>
> Is the phone paired with your computer?
> Is the phone paired with your computer as a Handsfree device?
> What kind of phone are you using?
> For your RFCOMM channel, are you connecting to the channel channel
> are you connecting to on the phone?
> How are you handing the RFCOMM processing?
>
> I left out some steps about Service Discovery and Pairing that I
> assumed you already completed.
>
> --robert
>
> On Sep 14, 2007, at 12:39 AM, andrey larin wrote:
>
> > i try to do something similar but
> > last time a wrote programs was wery long ago so
> > i don't understud your code in proper :((
> > but i tried to do as you say
> >
> > and nothing happens
> >
> > coud you explain what your code exactly do ?
> >
> >
>
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
> Bluez-devel mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>
Hello Andrey,
let me back up for a second and ask how you are trying to access the
handsfree?
Is the phone paired with your computer?
Is the phone paired with your computer as a Handsfree device?
What kind of phone are you using?
For your RFCOMM channel, are you connecting to the channel channel
are you connecting to on the phone?
How are you handing the RFCOMM processing?
I left out some steps about Service Discovery and Pairing that I
assumed you already completed.
--robert
On Sep 14, 2007, at 12:39 AM, andrey larin wrote:
> i try to do something similar but
> last time a wrote programs was wery long ago so
> i don't understud your code in proper :((
> but i tried to do as you say
>
> and nothing happens
>
> coud you explain what your code exactly do ?
>
>
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_______________________________________________
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https://lists.sourceforge.net/lists/listinfo/bluez-devel
i try to do something similar but
last time a wrote programs was wery long ago so
i don't understud your code in proper :((
but i tried to do as you say
and nothing happens
coud you explain what your code exactly do ?
2007/9/14, robert <[email protected]>:
>
> so here is a sample of the c part that I am writing. (from your
> description, it seems that you and I are doing something similar).
> This is a pretty primitive code sample, and there are examples
> (probably better) in bluez-utils that do similar things.
> Furthermore, this presently only handles the speaker, not the mic.
> The second part is an easy addition.
>
> http://www.cadvium.net/files/source/sco-manager.tar.gz
>
> gpl
>
> > make
> ## basically, you start it up with a file. (the bluetooth address is
> ignored but should be formatted properly).
> > sco-manager <bluetooth-address> <file-name>
>
> This will listen for an sco connection on the first bluetooth device
> that it finds. It will then take any data that it receives and write
> it into the file specified on the command line. (I think it also
> generates a tonne of debugging too).
>
> This is more useful if you specify a pipe for the file:
> > mkfifo test.sco
> ## Setup voice correctly
> > sudo hciconfig hci0 voice 0x0060
> > cat test.sco | aplay -f S16 &
> > sco-manager <bluetooth-address> test.sco
>
> At this point, if you make a call, it will send the audio through out
> your speakers. (Make sure to turn them down, if something isn't
> setup properly it makes a terrible noise).
>
> hope this helps,
> --robert
>
>
>
>
>
>
>
>
> On Sep 13, 2007, at 10:17 PM, andrey larin wrote:
>
> > ok here is what i think:
> > there is no problem to create and communicate rfcomm
> >
> > i don't know what connection must be make to control the audio
> > ( special rfcomm to audiogateway on phone or usual rfcomm to ssp
> > on phone)
> >
> > must unreserched area is how to handle the audio managment ( open,
> > support ,close, route audio from pc microphone to phone ,from phone
> > to pc speakers)
> >
> >
> > so
> >
> > when i connect on my phones spp
> > and make call to my cell phone
> > on terminal my phone says `RING`
> > i need to command the to make an audio connection (SCO)
> > and route this connections
> >
> > how to do this ?
> >
> >
> >
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
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> [email protected]
> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>
so here is a sample of the c part that I am writing. (from your
description, it seems that you and I are doing something similar).
This is a pretty primitive code sample, and there are examples
(probably better) in bluez-utils that do similar things.
Furthermore, this presently only handles the speaker, not the mic.
The second part is an easy addition.
http://www.cadvium.net/files/source/sco-manager.tar.gz
gpl
> make
## basically, you start it up with a file. (the bluetooth address is
ignored but should be formatted properly).
> sco-manager <bluetooth-address> <file-name>
This will listen for an sco connection on the first bluetooth device
that it finds. It will then take any data that it receives and write
it into the file specified on the command line. (I think it also
generates a tonne of debugging too).
This is more useful if you specify a pipe for the file:
> mkfifo test.sco
## Setup voice correctly
> sudo hciconfig hci0 voice 0x0060
> cat test.sco | aplay -f S16 &
> sco-manager <bluetooth-address> test.sco
At this point, if you make a call, it will send the audio through out
your speakers. (Make sure to turn them down, if something isn't
setup properly it makes a terrible noise).
hope this helps,
--robert
On Sep 13, 2007, at 10:17 PM, andrey larin wrote:
> ok here is what i think:
> there is no problem to create and communicate rfcomm
>
> i don't know what connection must be make to control the audio
> ( special rfcomm to audiogateway on phone or usual rfcomm to ssp
> on phone)
>
> must unreserched area is how to handle the audio managment ( open,
> support ,close, route audio from pc microphone to phone ,from phone
> to pc speakers)
>
>
> so
>
> when i connect on my phones spp
> and make call to my cell phone
> on terminal my phone says `RING`
> i need to command the to make an audio connection (SCO)
> and route this connections
>
> how to do this ?
>
>
>
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ok here is what i think:
there is no problem to create and communicate rfcomm
i don't know what connection must be make to control the audio( special
rfcomm to audiogateway on phone or usual rfcomm to ssp on phone)
must unreserched area is how to handle the audio managment ( open, support
,close, route audio from pc microphone to phone ,from phone to pc speakers)
so
when i connect on my phones spp
and make call to my cell phone
on terminal my phone says `RING`
i need to command the to make an audio connection (SCO)
and route this connections
how to do this ?
2007/9/14, robert <[email protected]>:
>
> Hello Andrey Larin,
>
> The Headset profile has two sides to it. There is the Audio Gateway
> (AG) which is typically a cell phone, and then the Hands-Free unit (HF).
>
> I think there has been a lot of development on the Audio Gateway(AG)
> side, because it is really useful to be able to play music on your
> computer and have it come out of your bluetooth headphones.
>
> As far as I can tell(and someone please correct me if I am wrong),
> there are not as many projects dedicated to implementing the HF side,
> this is the side one of the projects i am working on is
> implementing. Essentially there are two channels, the RFCOMM channel
> which essentially acts as the control channel, and then the SCO
> channel which is for sending audio data back and forth. I wrote a
> program to handle RFCOMM channel and service discovery in java, and
> presently have a basic SCO manager (in c) for the SCO data and am
> working on a way to actually play it.
>
> I hope to put the code online soon, but right now I am trying to
> learn how to use D-BUS in order to make the two parts communicate
> with one another.
>
> Hope that helps,
> --robert
>
>
> On Sep 13, 2007, at 6:45 PM, guoyun wrote:
>
> > Hi andrey larin
> >
> >> From your description, the headset need to open visibility to be
> >> found. Hope this is not your tiny mistake. :-)
> >
> > Cheers
> >
> > -Gawain.
> >
> >
> > ________________________________
> >
> > From: [email protected] [mailto:bluez-
> > [email protected]] On Behalf Of andrey larin
> > Sent: Friday, September 14, 2007 4:49 AM
> > To: BlueZ development
> > Subject: Re: [Bluez-devel] handsfree or headset support on pc
> >
> >
> > after all i see while serching
> > i think this:
> >
> > currently software is able to handle this
> > but requred some tuning
> >
> > but may be i wrong :)
> >
> > so i more interested in technical details
> >
> > if you could provide ... some :)
> >
> > or say that i wrong and there is requerd a lot of coding
> >
> >
>
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
> Bluez-devel mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/bluez-devel
>
Hello Andrey Larin,
The Headset profile has two sides to it. There is the Audio Gateway
(AG) which is typically a cell phone, and then the Hands-Free unit (HF).
I think there has been a lot of development on the Audio Gateway(AG)
side, because it is really useful to be able to play music on your
computer and have it come out of your bluetooth headphones.
As far as I can tell(and someone please correct me if I am wrong),
there are not as many projects dedicated to implementing the HF side,
this is the side one of the projects i am working on is
implementing. Essentially there are two channels, the RFCOMM channel
which essentially acts as the control channel, and then the SCO
channel which is for sending audio data back and forth. I wrote a
program to handle RFCOMM channel and service discovery in java, and
presently have a basic SCO manager (in c) for the SCO data and am
working on a way to actually play it.
I hope to put the code online soon, but right now I am trying to
learn how to use D-BUS in order to make the two parts communicate
with one another.
Hope that helps,
--robert
On Sep 13, 2007, at 6:45 PM, guoyun wrote:
> Hi andrey larin
>
>> From your description, the headset need to open visibility to be
>> found. Hope this is not your tiny mistake. :-)
>
> Cheers
>
> -Gawain.
>
>
> ________________________________
>
> From: [email protected] [mailto:bluez-
> [email protected]] On Behalf Of andrey larin
> Sent: Friday, September 14, 2007 4:49 AM
> To: BlueZ development
> Subject: Re: [Bluez-devel] handsfree or headset support on pc
>
>
> after all i see while serching
> i think this:
>
> currently software is able to handle this
> but requred some tuning
>
> but may be i wrong :)
>
> so i more interested in technical details
>
> if you could provide ... some :)
>
> or say that i wrong and there is requerd a lot of coding
>
>
-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2005.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
_______________________________________________
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[email protected]
https://lists.sourceforge.net/lists/listinfo/bluez-devel