Re: Scanning for advertising packets more often

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Hello Bridger,

On 9 February 2017 at 02:09, Bridger Maxwell <bridger.maxwell@xxxxxxxxx> wrote:
> Hi,
>
> I’m trying to make a Bluetooth LE peripheral that will work without pairing. Instead, multiple receivers can listen for events by listening for changes in the advertising packet. I’ve got the peripheral configured to broadcast every 100ms, but the receiver running Bluez only gets updates about once per second.
>
> Is there a way to configure Bluez to get advertising packets scanned more often? I’d also like to turn off any duplicate filtering.
>
> Additionally, the peripheral broadcasts two types of advertising packets. One type is from the builtin firmware and I don’t care about. The other type is my custom advertising packet. Both of these have the same MAC address. I believe Bluez is filtering duplicates from the same address within each 1 second window. I am getting a random sampling of either the firmware advertising packet or my custom advertising packet once per second.
>
> I’m using Pybluez[ble] to use Bluez. This is the scratch script I have running so far: https://gist.github.com/bridger/83fc2e9c60fd07d925b0bec80c47acab I tried using LE_SET_SCAN_PARAMETERS to change the scan interval and window but this didn’t seem to have an effect.
>
> If this is a bad idea, let me know. I liked the simplicity of not pairing but maybe I’m headed in the wrong direction.

You may find this link to a previous thread relevant to your requirements:
http://marc.info/?l=linux-bluetooth&m=148106041713054&w=2



>
> - Bridger Maxwell--
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