Dear all,
We are testing for the bidirectional data transfer between 2 PCs over Bluet=
ooth.
The setup is as follows:
i) Host PC(Fedora 3-Linux kernel 2.6.9) with USB Bluetooth
dongle(CSR Chipset). We have used the Bluez utilities(rfcomm
application) to connect the device and send data through the device
handle "/dev/rfcomm0".
ii) Device PC(Linux/Windows) hyperterminal(COM1/"/dev/ttyS0"). The
BT-SPP module is connected to the Device PC.
We using the commands in the following sequence on the Host PC:
i) hcid
ii) sdpd
iii) sdptool add --channel=3D1 SP
iv) rfcomm connect 0 <BDADDR> 1
v) ls -l > /dev/rfcomm0 - for sending the data, working fine
vi) cat /dev/rfcomm0 - for reading the data, working fine.
We have written a simple program which opens "/dev/rfcomm0" using
"open("/dev/rfcomm0",O_RDWR)". We are able to send data using the
system call "write()". But we are not able recieve data using the
system call "read()". But the "hcidump -x" utility is showing the
recieved data.
Please advice.
Thanks & Regards,
Benjamin
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Dear Marcel,
Thanks for your continued support.
Yes it is working. We have modified our code based on attest.c.
Previously we have not chosen the "raw" mode.
Thanks & Regards,
Benny
On 4/20/05, Marcel Holtmann <[email protected]> wrote:
> Hi Benjamin,
>=20
> > We are testing for the bidirectional data transfer between 2 PCs over B=
luetooth.
> >
> > The setup is as follows:
> > i) Host PC(Fedora 3-Linux kernel 2.6.9) with USB Bluetooth
> > dongle(CSR Chipset). We have used the Bluez utilities(rfcomm
> > application) to connect the device and send data through the device
> > handle "/dev/rfcomm0".
> > ii) Device PC(Linux/Windows) hyperterminal(COM1/"/dev/ttyS0"). The
> > BT-SPP module is connected to the Device PC.
> >
> > We using the commands in the following sequence on the Host PC:
> > i) hcid
> > ii) sdpd
> > iii) sdptool add --channel=3D1 SP
> > iv) rfcomm connect 0 <BDADDR> 1
> > v) ls -l > /dev/rfcomm0 - for sending the data, working fine
> > vi) cat /dev/rfcomm0 - for reading the data, working fine.
> >
> > We have written a simple program which opens "/dev/rfcomm0" using
> > "open("/dev/rfcomm0",O_RDWR)". We are able to send data using the
> > system call "write()". But we are not able recieve data using the
> > system call "read()". But the "hcidump -x" utility is showing the
> > recieved data.
>=20
> this is working. Check the attest program from bluez-utils.
>=20
> Regards
>=20
> Marcel
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Hi Benjamin,
> We are testing for the bidirectional data transfer between 2 PCs over Bluetooth.
>
> The setup is as follows:
> i) Host PC(Fedora 3-Linux kernel 2.6.9) with USB Bluetooth
> dongle(CSR Chipset). We have used the Bluez utilities(rfcomm
> application) to connect the device and send data through the device
> handle "/dev/rfcomm0".
> ii) Device PC(Linux/Windows) hyperterminal(COM1/"/dev/ttyS0"). The
> BT-SPP module is connected to the Device PC.
>
> We using the commands in the following sequence on the Host PC:
> i) hcid
> ii) sdpd
> iii) sdptool add --channel=1 SP
> iv) rfcomm connect 0 <BDADDR> 1
> v) ls -l > /dev/rfcomm0 - for sending the data, working fine
> vi) cat /dev/rfcomm0 - for reading the data, working fine.
>
> We have written a simple program which opens "/dev/rfcomm0" using
> "open("/dev/rfcomm0",O_RDWR)". We are able to send data using the
> system call "write()". But we are not able recieve data using the
> system call "read()". But the "hcidump -x" utility is showing the
> recieved data.
this is working. Check the attest program from bluez-utils.
Regards
Marcel
-------------------------------------------------------
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Version 11 adds new functionality designed to reduce time involved in
creating, integrating, and deploying reporting solutions. Free runtime info,
new features, or free trial, at: http://www.businessobjects.com/devxi/728
_______________________________________________
Bluez-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/bluez-users