BLE Troubleshooting

Failed to get BlueZ package on RaspberryPi

You may encounter the following error when installing BlueZ on a RaspberryPi:

sudo apt-get build-dep bluez
Reading package lists... Done
E: You must put some 'deb-src' URIs in your sources.list

You can fix this by modifying the apt source:

Open apt sources list file sudo nano /etc/apt/sources.list
Uncomment the line "deb-sr http://archive.raspbian.org/raspbian/jessie main contrib non-free rpi"

Bluetooth is blocked on RaspberryPi

If you encounter this error when executing the command systemctl status bluetooth, we can you can fix it with the command:

sudo rfkill unblock bluetooth

Update the BlueZ package

You may need to update BlueZ, you can update or install it with the following command:

apt-get install dbus

If it is not running, start it with:

systemctl start dbus

You can also install the specific BlueZ version, as described in the section below.

Install BlueZ 5.60

Download

wget http://www.kernel.org/pub/linux/bluetooth/bluez-5.60.tar.xz
tar xvJf bluez-5.60.tar.xz

Run the configuration command

cd bluez-5.60
less README

Run the configuration command according to the README file:

$ sudo apt-get build-dep bluez
$ ./configure --prefix=/usr --mandir=/usr/share/man --sysconfdir=/etc --localstatedir=/var
...
checking for rst2man... no
checking for rst2man.py... no
configure: error: rst2man is required

Install rst2man
```
sudo apt-get install python-docutils
```
Install
```
make
sudo make install
sudo reboot
```

Inspect Bluetooth service status

systemctl status dbus.service
bluetoothctl -v
systemctl status bluetooth.service