Custom Software and Offshore Development | LARION


Industry: Information Technology

Location: USA

Technologies we use:


The project faced several technical challenges:

Interfacing with BlueZ: BlueZ uses the D-Bus IPC mechanism for communication. Understanding and effectively using this mechanism was crucial for the tool’s development. The team had to ensure that the tool could send and receive D-Bus messages correctly to interact with the BlueZ stack.

Understanding Bluetooth Protocols: The tool needed to support a wide range of Bluetooth protocols and profiles. Understanding these protocols and implementing them correctly was a significant challenge.

Error Handling: Bluetooth communication can fail for various reasons, such as out-of-range devices or pairing failures. The tool needed robust error handling to deal with these situations gracefully.


The team used a modular approach to develop the BlueZ++ Control Tool. The tool was divided into several modules, each responsible for a specific functionality. Key modules included:

D-Bus Interface Module: This module was responsible for sending and receiving D-Bus messages. It used the sdbus-c++ library to interact with D-Bus.

Bluetooth Protocol Module: This module implemented the various Bluetooth protocols and profiles. It used the BlueZ stack’s functionality to support these protocols.

Command-Line Interface Module: This module provided a user-friendly command-line interface for the tool. It used the CLI11 library to parse command-line arguments and options.



It provided a comprehensive interface for managing Bluetooth devices and addressed the gaps identified in existing tools.


The tool was open-sourced and made available to the Linux community.


The tool could scan, pair, connect, disconnect, and provide device information.


It received positive feedback from users, who appreciated its comprehensive functionality and user-friendly interface.


It handled errors gracefully and provided informative error messages to the user.


The tool is now being maintained and improved by a community of open-source contributors.

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