Hi. I posted this thread at official gentoo forums but still no luck there. I was hoping somebody in this crowd might have an answer:
I've got this robotics project where I send commands to the robot via a D-Link DBT-120 bluetooth adapter on the computer side and an eb500 EmbeededBlue bluetooth card on the robot side. This works great on a Fedora box in our lab using rfbind, so we just send and receive characters to /dev/rfcomm* in order to communicate with the robots internal program.
However, I am trying to set up the same thing on my Gentoo netbook (Dell Mini 10v, Intel Atom dual-core 32 bit). However when I try to use the rfcomm created device file, I get this, even running as root:
Code:
$ rfcomm bind rfcomm0
$ cat /dev/rfcomm0
cat: /dev/rfcomm0: Permission denied
Permissions on the file:
Code:
crw-rw---- 1 root uucp 216, 0 2009-10-16 15:06 /dev/rfcomm0
Nothing changes even if I set the file to root:root.
D-Link adapter is detected:
Code:
$ hcitool dev
Devices:
hci0 00:1E:58:3F:5C:85
Robot bluetooth card is detected (eb500 is the card, other names are computers):
Code:
$ hcitool scan
Scanning ...
00:23:6C:BA:C5:19 belmont
00:0C:84:00:45:A9 eb500
00:0D:93:11:7B:B3 bootes
So I haven't been able to figure out why this is working on the Fedora box but not on the Gentoo netbook.
Here is the rfcomm config file:
Code:
$ cat /etc/bluetooth/rfcomm.conf
rfcomm0 {
# Automatically bind the device at startup
bind no;
#
# Bluetooth address of the device
device 00:0C:84:00:45:A9;
#
# RFCOMM channel for the connection
channel 1;
#
# Description of the connection
comment "Alpha Robot";
}
rfcomm1 {
# Automatically bind the device at startup
bind no;
#
# Bluetooth address of the device
device 00:0C:84:00:44:2F;
#
# RFCOMM channel for the connection
channel 1;
#
# Description of the connection
comment "Beta Robot";
}
At the official gentoo forums, someone suggested changing the permissions of the dev file to 777, but that didn't change anything.
[Solved!!!]
