Re: lescan stops after 10-15 minutes (bluez 5.48)

[Szymon Janc <szymon.janc@codecoup.pl>]

Hi,

On Monday, 29 January 2018 14:16:30 CET Gabriel A. Zorrilla wrote:
> Hi Symon,
> 
> This started because some Node-Red detect BLE devices but after a few
> minutes they stop getting input. Then started to diagnose BLE with
> hcitools and the outcome was the same so started to believe a kernel
> or controller issue.
> 
> If there is an example of how this API works i'll be charmed to test it.

You can check test-discovery under test/ folder in bluez tree.
(And please don't top-post:)

> On Mon, Jan 29, 2018 at 6:16 AM, Szymon Janc <szymon.janc@codecoup.pl> 
wrote:
> > Hi Gabriel,
> > 
> > On Sunday, 28 January 2018 20:22:47 CET Gabriel A. Zorrilla wrote:
> >> Hello there. I'm really desperate here. I'm trying to work with BLE in
> >> my Pi3. When i do:
> >> 
> >> sudo hcitools lescan (with or without -duplicates) the Pi scans
> >> normally then stops after about 10-15 minutes.
> >> 
> >> Here I made some btmon dumps:
> >> without duplicates: http://termbin.com/ox3z
> >> with duplicates: http://termbin.com/6nnn
> >> 
> >> * Pi3
> >> * Raspbian with 4.9.66-v7+ kernel.
> >> * Embedded bluetooth.
> >> * Compilled bluez 5.48
> >> 
> >> Don't know what extra info you would need to diagnose this. Perhaps
> >> it's a common bug in the Pi3 Raspbian distro, but cant find
> >> information about this on the web. Been googling for a week.
> >> 
> >> I really want to make this work, so dont hesitate in asking me some
> >> tests and such.
> >> 
> >> Thanks and regards,
> > 
> > You don't want to mix using HCI directly and bluetoothd. Bluetoothd will
> > interfere with you accessing controller and this is most likely what you
> > are seeing.
> > 
> > Is there a reason for you to use hcitool lescan instead of D-Bus APIs?
> > 
> > --
> > pozdrawiam
> > Szymon Janc
> > 
> > 
> > --
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-- 
pozdrawiam
Szymon Janc