BLE protocol — full specification

The maintained reference is BLE Protocol & Data Layer. It covers shared BLE, USB, and TCP frames, command/response codes, persistence, and data flow.

Related references:

• Routing paths and multi-byte hashes
• Regions and message region display
• Image messages and GRP_DATA transport
• App-level GRP_DATA chunk framing source
• Protocol constants and frame builders

The former reference at this path contained obsolete CLI framing, reaction syntax, radio-settings codes, and implementation status. Use the linked maintained reference for current behavior. Historical content remains available in Git history.