I appreciate the heads up.
In regards to the type of communication, I'm trying to create a BT serial
connection. The device I'm attempting to connect to is actually a weight
scale (medical device). It doesn't support any other services. I probably
need to add that I changed rfcomm.conf to listen, bind, and connect for
rfcomm0. Note: The last time I used linux was in college and it was only to
compile my assignments, so I'm not savvy.
If you are at all familiar with Windows XP, I can use Hyperterminal to
communicate with the meter simply by typing commands in the terminal area
but for this to work I have to assign a port to the BT adapter.
Thanks,
Robert
-----Original Message-----
From: Marcel Holtmann
To: [email protected]
Sent: 10/4/05 04:16
Subject: RE: [Bluez-devel] Cannot send through serial device rfcomm
Hi Robert,
please stop using HTML emails and especially don't use colors. The good
old plain ASCII is enough.
> I'm cross-compiling for an Arm processor using a Debian 2.6.10 kernel
> with bluez-utils/lib 2.21, and bluez-hcidump 2.25 w/ a brainbox usb
> adapter for rs-232 replacement (CSR chipset)
>
> I'm having a problem communicating through the /dev/rfcomm0 device. I
> thought that once the device was connected it would be have like a
> serial device and I could do this ...
>
> cat /dev/rfcomm0 > myfile.dat
> echo AT > /dev/rfcomm0
>
> Am I assuming correctly? If not what am I missing? Do I need to use
> the pppd or the dund to communicate? Am I in the wrong mode (master
> vs slave).
>
> If this should work please look at my log files, I'm executing
> these commands ...
>
> hcid
> sdpd
> sdptool add SP
> rfcomm bind 0 XX:XX ...
I think you made a big mistake in understanding how Bluetooth and Linux
are working. Describe what kind of communication you try to achieve and
then we might be able to help you.
Regards
Marcel
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Hi Robert,
> In regards to the type of communication, I'm trying to create a BT
> serial connection. The device I'm attempting to connect to is
> actually a weight scale (medical device). It doesn't support any
> other services. I probably need to add that I changed rfcomm.conf to
> listen, bind, and connect for rfcomm0. Note: The last time I used
> linux was in college and it was only to compile my assignments, so I'm
> not savvy.
you need to do a "rfcomm bind 0 <bdaddr> <channel>" and you will get a
new /dev/rfcomm0 TTY device. Now use a terminal program like minicom or
cu for the communication.
Regards
Marcel
-------------------------------------------------------
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Power Architecture Resource Center: Free content, downloads, discussions,
and more. http://solutions.newsforge.com/ibmarch.tmpl
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