如何检查我的蓝牙模块是否支持 Linux 中的 BLE 功能

Question

我想知道这一点，因为我有一些 BLE 设备并且想检查我是否可以使用我自己的桌面蓝牙模块玩它。

Answer 1

如果安装了 hciconfig 尝试使用获得 LE 支持的状态 sudo hciconfig hci0 lestates

这应该显示可能的 LE 特定状态，如下所示

Supported link layer states:
        YES Non-connectable Advertising State
        YES Scannable Advertising State
        YES Connectable Advertising State
        YES Directed Advertising State
        YES Passive Scanning State
        YES Active Scanning State
        YES Initiating State/Connection State in Master Role
        YES Connection State in the Slave Role
        YES Non-connectable Advertising State and Passive Scanning State combination
        YES Scannable Advertising State and Passive Scanning State combination
        YES Connectable Advertising State and Passive Scanning State combination
        YES Directed Advertising State and Passive Scanning State combination
        YES Non-connectable Advertising State and Active Scanning State combination
        YES Scannable Advertising State and Active Scanning State combination
        YES Connectable Advertising State and Active Scanning State combination
        YES Directed Advertising State and Active Scanning State combination
        YES Non-connectable Advertising State and Initiating State combination
        YES Scannable Advertising State and Initiating State combination
        YES Non-connectable Advertising State and Master Role combination
        YES Scannable Advertising State and Master Role combination
        YES Non-connectable Advertising State and Slave Role combination
        YES Scannable Advertising State and Slave Role combination
        YES Passive Scanning State and Initiating State combination
        YES Active Scanning State and Initiating State combination
        YES Passive Scanning State and Master Role combination
        YES Active Scanning State and Master Role combination