Haraltd is a Bluetooth daemon that provides a JSON-based RPC over the native OS's Bluetooth stack. It currently only supports Bluetooth Classic, and runs on Windows and MacOS. Installation instructions are in the README.
It was created to reduce the pain points of dealing with the various Bluetooth stacks present in different operating systems, and to present a simpler API to handle Bluetooth (classic) based operations. It is intended for Bluetooth managers and possibly can be used for scripting purposes.
See bluetuith for an application that interacts with Haraltd.
The RPC specification is published here.
A table of the daemon's features is posted here, but to summarise:
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Adapter/device management
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Automatic/manual profile-based connection
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Pairing with authentication
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OBEX profiles (currently only Object Push, but more OBEX profiles will be added later)
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Notifications for various Bluetooth events
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JSON-based RPC over a Unix socket
This was tested only with a sum total of 3 devices (2 Android phones and 1 Bluetooth earphones), so any feedback is appreciated, especially from users who can test with other kinds of Bluetooth classic devices.
Note: No AI was used to manage the codebase or generate code.