Dear Bluez,
I am having a problem that I wondered whether you could help me with?
I'm currently working on a project in which I'm trying to communicate to an Intel Edison board from my Windows PC via Bluetooth. I have managed to successfully connect and communicate via Bluetooth using the serial port and bluez version 5.22. But my problem is that I can only auto connect to the PC once I have already manually paired to the device. So my aim is to have software running on the Edison which will be able to auto pair to a PC and connect without knowing the PC device id in advance, for the PC to then send commands and eventually files to the Edison.
I have been able to manually send serial commands to the Edison by using a Putty terminal and using rfcomm and the "cat /dev/rfcomm0" command. Using process below on the Edison:
rfkill unblock bluetooth
sdptool add -channel=22 SP
rfcomm watch /dev/rfcomm0 22 > /dev/null &
bluetoothctl
agent NoInputNoOutput
default-agent
discoverable on
"pair with Edison from PC and accept pairing on the Edison"
cat /dev/rfcomm0
"send text to Edison via Putty terminal com port"
So I have been trying to automate this process by writing C code on the Eclipse IDE and also by writing scripts running on the Edison but I have not been able to successfully send commands to the bluetoothctl function.
I have tried to send commands using the Eclipse IDE but when I send the following:
system("echo -e 'agent NoInputNoOutput\n | bluetoothctl");
On the Edison it reports "No agent is registered" and the following message:
(bluetoothctl:690): GLib-CRITICAL **: Source ID 22 was not found when attempting to remove it
Also if I try to create a script file like the following:
#!/bin/sh
rfkill unblock bluetooth
sdptool add -channel=22 SP
sleep 1
bluetoothctl << EOF
agent NoInputNoOutput
EOF
sleep 1
Again it just report "No agent is registered".
I have been in communication with Intel support but I've got to a point where I don't think I can get any further and they have recommended that I contact you.
https://communities.intel.com/thread/104504
Any help would be very much appreciated.
Kind regards
Jay Montague
Software Engineer
Scott Safety
Unit 14, Repton Close,
Basildon, Essex. SS13 1LN UK
Office: +44 (0)1268 527 700 Ext. 210
Direct: +44 (0)1268 885 360
Fax: +44 (0)1268 527 799
JMontague@xxxxxxxxxxx
www.ScottSafety.com
Follow Scott Safety
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