Questions tagged [dbus]

For questions about D-Bus, an inter-process communication mechanism used by many Linux distributions. Use this tag if you are configuring, using or trying to resolve an issue with D-Bus on a Raspberry Pi.

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Failed to get D-Bus connection: Unknown error -1

Well I ran into a major network failure when I try to get two PIs talking to each other directly through their Ethernet ports. They use to connect to each other and communicate, but for some odd ...
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20 views

error from dbus, no wifi after reboot

I corrupted the ssd, so until I get this error again (hopefully I won't, but I probably will because it already happened 2 times) I can't do anything. I got a messagebox with this error when booting: ...
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19 views

RPi Zero Wireless Bluetooth unable or missing to receive 6 bytes of data

I am using pydbus to receive 6 digit value from keypad. When i execute in RPi 3B+, it works fine. When i repeat the same in RPi Zero wireless, it seems not working. I have checked from every angle and ...
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22 views

pydbus throwing error in raspbian lite

I have successfully installed and used pydbus to communicate and control few Bluetooth LE devices from raspberry pi (full version). When i tried to do the same with Raspbian lite, i get: object does ...
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1answer
33 views

How Bluedroid can be worked in raspberry pi4B instead of BlueZ

Want to port the bluedroid to raspberry pi4B instead of BlueZ. Because of some causes, only want to use the pi's rootfs, don't use the dbus. how to work it? first of all, as we know,different ...
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99 views

Using PyDBUS to read BLE battery service

I tried to read battery service (0x180F) using pydbus and also via term but unable to find, setNotify or read the value. I tried to register-service under Menu GATT in Terminal running Bluetoothctl ...
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2answers
924 views

BlueZ BTGATT-client.py WriteValue

I had a successful attempts with BlueZ-5.50 > test > example-gatt-client.py with ESP32 set as HeartRate Sensor Server.I am able to read from ESP32 which i modified to suit the BlueZ example. ...
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1answer
81 views

dbus and qdbus not working suddenly

I am using dbus and qdbus to control my phone from a pi using Bluetooth to pause play etc. songs and all of a sudden dbus and qdbus dont work anymore All other functions work i can head music from he ...
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1answer
254 views

network manager dbus interface calls for wireless doesnt work on raspbian

I have the following code to retrieve access points information using NetworkManager dbus api: //--------------------------------------------------------------------------------- QDBusInterface ...
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0answers
30 views

What is this prompt saying about bluetooth?

I tried to fix some problems with the bluetooth and uninstall pi-bluetooth. Also installed it .But the problems are bigger now. What is this prompt saying.
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1answer
420 views

Rpi Zero W - How to automatically accept bluetooth pairing and log mac and info request?

I am using Raspbian Stretch 9.4 on a Zero W. The goal is to deploy it headless for long periods of time where it will broadcast a specified bluetooth signal. When someone tries to connect to it, it ...
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1answer
3k views

Removed dbus from raspbian

I have accidentally removed my dbus file on my Raspberry Pi 3 Raspbian OS ( full Operating system version) (not raspbian lite). I used the command apt-get remove dbus to do this uninstall of dbus. ...