[Lazarus] bluetoothlaz package cannot detect Bluetooth LE (version > 4.0) devices on raspberry pi

[Mattias Gaertner]

On Tue, 6 Jun 2017 23:25:38 +0800
Dennis via Lazarus <lazarus at lists.lazarus-ide.org> wrote:

> I am using Raspberry Pi 3 (with wifi+bluetooth).
> When using the command tool, bluetoothctl, it can detect old and new 
> bluetooth devices (version > 4.0).
> 
> However, using the bluetoothlaz inside my lazarus app, it can only 
> detect old bluetooth devices (not the BLE new devices).
> 
> I am guessing the bluetoothctl uses the new version and features in 
> bluez (ver 5.41)

On Ubuntu bluetoothctl does not link to "bluez". Only basic libs.


> but bluetoothlaz uses the {$linklib bluetooth}
>
> which probably is the file
> /usr/lib/arm-linux-gnueabihf/libbluetooth.so.3
> which is a symbolic link to 
> /usr/lib/arm-linux-gnueabihf/libbluetooth.so.3.18.13

Sounds right.

 
> which might probably be compiled with old versions of bluez (or turn off 
> the BLE feature).

Don't know.

Maybe libbluetooth supports the new features, but bluetoothlaz
misses the new functions?

Mattias