[Bluez-users] RFComm library

[Bluez-users] RFComm library

[William Pettersson]

Ok, so I needed some simple way to use Bluetooth in my application.
I've basically just done some copying and pasting from the source of the
tools hcitool and rfcomm, so I can't exactly claim any of this work as
my own.  It's all under Marcel's GPL still, and will probably stay that
way.  This is just so far a simple way of doing a bluetooth inquiry/scan
and getting results back.  I'll take pointers on how to do things
better/more effectively, but I can't guarantee much.
What's included is the source for the library, and a sample app.
The sample app does a bluetooth scan, finds my phone (identified by the
name 'Will', and then connects to the serial port offered.  The AT+CBC
that I have in there returns the battery status of my phone, it's just
my test case.  
Using the library is explained in the rfcomm-library.h file, and
hopefully it makes sense.

This is just to help others who are trying to do what I needed to do,
hopefully someone will benefit from this.

Will

http://www.strudel-hound.com/librfcomm.tar.bz2





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Re: [Bluez-users] RFComm library

[Marcel Holtmann]

Hi Will,

> Ok, so I needed some simple way to use Bluetooth in my application.
> I've basically just done some copying and pasting from the source of the
> tools hcitool and rfcomm, so I can't exactly claim any of this work as
> my own.  It's all under Marcel's GPL still, and will probably stay that
> way.  This is just so far a simple way of doing a bluetooth inquiry/scan
> and getting results back.  I'll take pointers on how to do things
> better/more effectively, but I can't guarantee much.
> What's included is the source for the library, and a sample app.
> The sample app does a bluetooth scan, finds my phone (identified by the
> name 'Will', and then connects to the serial port offered.  The AT+CBC
> that I have in there returns the battery status of my phone, it's just
> my test case.  
> Using the library is explained in the rfcomm-library.h file, and
> hopefully it makes sense.
> 
> This is just to help others who are trying to do what I needed to do,
> hopefully someone will benefit from this.

nice stuff, but I think totally unneeded. And in most cases there is no
need to create a TTY. You can use the RFCOMM socket directly which will
then result in less code.

Regards

Marcel




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[Bluez-users] Link quality

[Pieter De Mil]

Hello,

For everyone who is interested in context-aware applications:
don't use Bluetooth :)

When you move away from a bluetooth-dongle, the link quality will drop, but 
it comes back to 255.
Because Bluetooth wants to keep a good connection, the bluetooth-dongle is 
going to adjust the send-power.

regards,
Pieter






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