Jqbt Bluetooth Driver -

┌─────────────────────────────────────┐ │ Upper Stack (BlueZ/自定义) │ └─────────────────┬───────────────────┘ │ HCI (sockets/raw) ┌─────────────────▼───────────────────┐ │ jqbt Core API │ ├───────────────────────────────────────┤ │ - Command queue manager │ │ - Event dispatcher │ │ - ACL/SCO data scheduler │ ├───────────────────────────────────────┤ │ Transport Abstraction │ │ (UART, USB, SDIO, Virtual) │ └─────────────────┬───────────────────┘ │ Physical bus ┌─────────────────▼───────────────────┐ │ Bluetooth Controller (FW/HW) │ └───────────────────────────────────────┘

| Feature Category | Specific Capabilities | |----------------|-----------------------| | | Bluetooth Classic (BR/EDR) and Bluetooth Low Energy (BLE 4.0, 4.2, or 5.x) | | Profiles | HID (keyboard/mouse), A2DP (audio sink/source), SPP (serial port), GATT (custom BLE services), HFP (hands-free), PAN (personal area networking) | | OS Compatibility | Likely Linux (RTL8723/8821 style with BlueZ) or Android (vendor HAL), possibly Windows (if custom INF driver) | | Hardware Interface | UART, USB, or SDIO – typical for combo Wi-Fi/BT chips | | Power Management | Suspend/resume, wake-on-Bluetooth, low-power idle modes | | Diagnostics | Logging (debugfs), firmware version query, reset control, RSSI reporting | | Pairing & Security | Simple pairing, LE Secure Connections, MAC address filtering | | Coexistence | 2.4GHz Wi-Fi coexistence signaling (if combo chip) | | Firmware Loading | On-demand RAM patching or NVM configuration download at init | jqbt bluetooth driver