All Questions
Tagged with bluetooth-lowenergy bluez
378
questions
0
votes
1
answer
34
views
GATTTool fails to read characteristics/attribute for Heart Beat data
I'm trying to read the heart rate data from my Xiaomi Mi Band 8 using BlueZ's gatttool. The heart rate data is found in the characteristic with UUID 0x2a37, which has the property NOTIFY.
However, ...
- 3
2
votes
1
answer
92
views
Bluetooth Pairing via BlueZ in Just Work Mode Fails - Confirm Value Failed
Kernel: Linux 4.9.84 armv7l on board
Bluez: 5.65
Peer: Android 12 & IOS 16.6
Application:
Use btmgmt open bluetooth settings
btmgmt power off
btmgmt connectable on
btmgmt pairable on
btmgmt ...
- 29
0
votes
0
answers
78
views
Exchange MTU not supported when connecting to a BLE device from Raspberry
I have a Raspberry Pi 5 device, with Raspbian (Debian Bookworm). I bought a Chinese led strip, with a Bluetooth controller on it, and I would like to connect to it from the Pi. I'm using bluez 5.66, ...
1
vote
1
answer
232
views
Example BLE GATT Server using C++
I'm trying to create BLE GATT services on my Raspberry Pi 4 using C++. Have searched for a while but wasn't able to find useful hints/examples.
More details:
I'm able to create GATT services and ...
- 13
0
votes
0
answers
105
views
Bluez - BLE trouble connecting to BT dual mode devices
I have two devices running Bluez in linux. I'm writing a C application using GDBus and bluez v5.54. The application is a sample app meant to demonstrate how to write code for bluetooth low energy.
I ...
-1
votes
2
answers
228
views
How to deal with BlueZ bluetooth instability? [closed]
Background
My team has been trying to implement a bluetooth LE 'api' for a while now. We decided on BLE over legacy Bluetooth due to iOS (one of our client device types) blocking legacy BT for anyone ...
- 368
0
votes
0
answers
174
views
Client in BLE for raspberry Pi 4 using BlueZ
The example server and client provided at the BlueZ github do not work (I tested them both on two raspberry PIs, one with client and one with server). I tried first the server with the nRF Connect app ...
0
votes
0
answers
395
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Bluetooth LE audio development with Bluez 5.66
I have tried initial BAP support with BlueZ 5.66 as mentioned in the https://www.bluez.org/le-audio-support/
But it fails at experimental ISO socket support all the time whenever I try to create a ...
- 11
0
votes
2
answers
331
views
Catching all BLE advertisement telegrams with pydbus
I am having acceleration sensors provided by a business partner which are sending about 20 BLE advertisements per second when being triggered.
I installed Bluez 5.66 and I am running a pydbus app ...
- 41
0
votes
0
answers
30
views
How to accept the bluetooth pair request through terminal without GUI
When i send a bluetooth pair request to raspberry pi , it asking to confirm acceptance in GUI, i wish to give the confirmation through terminal without GUI, How should i do this
i tried with ...
2
votes
1
answer
1k
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Serial comunication over Bluetooth Low Energy - Linux and Arduino Nano ESP32
For a project I am working on, I need to achieve serial communication over Bluetooth, from my Linux laptop to an Arduino board. I already did, using an Arduino Uno connected to a Bluetooth HC-05 SPP ...
- 21
1
vote
0
answers
47
views
How to block connection request from already paired devices(phones) using bluez?
As per my knowledge, Bluez does not have non-connectable property (except Block property) to block the classic BT connection request from the devices (phones) which already paired with.
Case: My ...
- 11
1
vote
1
answer
75
views
Does selecting a specific advertising channel in iBeacon BLE lead to lower transmission speed?
Im actually trying to select a specific channel using the command parameter Advertising_Channel_Map, the values it has are 0x01 (channel 37), 0x02 (channel 38), 0x04 (channel 39) and 0x07 (default, ...
- 25
1
vote
1
answer
388
views
Why my code about advertisement in BLE takes around 1 second between packages sent
I made a program using BlueZ (v5.49) in python. The goal is send advertising packages (iBeacon) and, with a sniffer, unpack it and save the major, minor and rssi if the UUID is the correct one. The ...
- 25
1
vote
1
answer
419
views
hcitool unable to set scan response data
The issue is similar to Using hcitool to set ad packets, but instead of just sending AD data I'm also trying to set a scan response data with OCF 0x0009 (also hinted in one of the answers).
The ...
- 489