[Bluez-devel] Configuration for a Linux Bluetooth print Server

[Bluez-devel] Configuration for a Linux Bluetooth print Server

[Don Alexander]

Hi All,

I know it is perhaps breaking etiquette as this really ought to be a
user issue. But I have to say I cannot find anywhere in the code or in
the documentation how to achieve  the above task. Simply put, should
we not be able to set up the stack to emulate a Bluetooth enable
printer and be able to pass print data onto the normal printer
functions of CUPS etc. ? Now before anyone starts misunderstanding me
I am NOT talking about printing TO bluetooth printers (using the CUPS
driver) but printing TO a Linux box that identifies itself as being a
compatible bluetooth printer. Obviously the advantages of this are
enormous by converting any CUPS attached printer into being a
bluetooth enabled one.

So my question are :

1) Is this feasible to implement a printer class into the Bluez stack
or it is a userspace problem?

2) If it is the right thing to do via the stack how would it best be
implemented?

3) What extensions/ API's ought we attach to a generic printer class
so that data can be exported to the normal print subsystem.


I realise I am very new to the whole bluez codebase and so fully admit
I don't know all the specifications and capabilities of it, but
hopefully someone here can stop me from making a complete gaff if this
is already implemented and I am just too clueless to see it.

Anyway, thanks for your feedback any pointers will be greatly appreciated.

Cheers.

-- 
==

D Alexander

Technical Support

RooSoft Ltd


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Re: [Bluez-devel] Configuration for a Linux Bluetooth print Server

[bluez-dev]

Kajetan Hinner wrote:
> Hi,
>
> I want to print from my Nokia Communicator 9500 using a linux box as
> bluetooth access point and print server. And I found your question
> after hours of searching (and finally realized that most others are
> talking about printing to bt-enabled printers).
>
> So: Do you know how to achieve this?
>
> Thanks,
>
> Kajetan Hinner
>
Sadly I do not , and the code is not entirely clear to me how to make
the stack behave as if it were advertising printing services as a
regular bluetooth device. I could see not mention of it is the
bluez-libs package however I do see and empty stub directory called
print in the bluez-utils package. Does this mean it is work in progress?



-- 
==
D Alexander

Technical Support

RooSoft Ltd





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Re: [Bluez-devel] Configuration for a Linux Bluetooth print Server

[Bastien Nocera]

On Sat, 2007-07-14 at 09:11 +0100, Don Alexander wrote:
> Hi All,
> 
> I know it is perhaps breaking etiquette as this really ought to be a
> user issue. But I have to say I cannot find anywhere in the code or in
> the documentation how to achieve  the above task. Simply put, should
> we not be able to set up the stack to emulate a Bluetooth enable
> printer and be able to pass print data onto the normal printer
> functions of CUPS etc. ? Now before anyone starts misunderstanding me
> I am NOT talking about printing TO bluetooth printers (using the CUPS
> driver) but printing TO a Linux box that identifies itself as being a
> compatible bluetooth printer. Obviously the advantages of this are
> enormous by converting any CUPS attached printer into being a
> bluetooth enabled one.
> 
> So my question are :
> 
> 1) Is this feasible to implement a printer class into the Bluez stack
> or it is a userspace problem?

User-space.

> 2) If it is the right thing to do via the stack how would it best be
> implemented?
> 
> 3) What extensions/ API's ought we attach to a generic printer class
> so that data can be exported to the normal print subsystem.

You need to implement a full SPP or HCRP server. HCRP is probably
easier, as you would just push everything to the CUPS server as-is.

Both specs are available on the Bluetooth SIG website.

Cheers

-- 
Bastien Nocera <hadess@hadess.net> 


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