[Bluez-users] Lost API? / Creating serial port connection

[Bluez-users] Lost API? / Creating serial port connection

[William Pettersson]

Ok, I'm working on some Linux drivers to communicate to a Bar Code
scanner.  It works fine over a regular serial port.  Next task, use
Bluetooth.  I've just added a Bluetooth module to the bar code scanner,
and I can communicate with it perfectly fine by using 'hcitool scan' and
then 'rfcomm connect'.  I then note the serial port, and use that for
the bar code comms.  However, I wanted to add a GUI type interface to do
the discovery/connecting part.  Now I can do some simple system calls,
parsing input and output, but that's dodgy.

So what I wanted to do was basically, run a discovery/inquiry.  Find
some devices, their names, and possibly classes as well.  And then
establish a SPP connection to a device.

But I can't seem to find any sort of programming API for Bluez.  Am I
just being silly and looking in the wrong places?  I've checked the
header files, and they're very rudimentary.  I've done the same thing,
for the same bar code scanner, under PalmOS, and that was, whilst not
overty simple, not too convoluted.

So is there an API out there?
And is there a simple way to do what I want?

William



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Re: [Bluez-users] Lost API? / Creating serial port connection

[Marcel Holtmann]

Hi William,

> I'm working on some Linux drivers to communicate to a Bar Code
> scanner.  It works fine over a regular serial port.  Next task, use
> Bluetooth.  I've just added a Bluetooth module to the bar code scanner,
> and I can communicate with it perfectly fine by using 'hcitool scan' and
> then 'rfcomm connect'.  I then note the serial port, and use that for
> the bar code comms.  However, I wanted to add a GUI type interface to do
> the discovery/connecting part.  Now I can do some simple system calls,
> parsing input and output, but that's dodgy.
> 
> So what I wanted to do was basically, run a discovery/inquiry.  Find
> some devices, their names, and possibly classes as well.  And then
> establish a SPP connection to a device.
> 
> But I can't seem to find any sort of programming API for Bluez.  Am I
> just being silly and looking in the wrong places?  I've checked the
> header files, and they're very rudimentary.  I've done the same thing,
> for the same bar code scanner, under PalmOS, and that was, whilst not
> overty simple, not too convoluted.
> 
> So is there an API out there?
> And is there a simple way to do what I want?

since you are using hcitool and rfcomm you might wanna look at the
source code of these two tools. You can also look at my presentations
about Bluetooth programming for some examples.

Regards

Marcel




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