我正在尝试通过 OBEX 通过蓝牙发送文件。我已安装 obexftp 包。我能够使用 配对手机pair。bluetoothctl当我尝试使用以下命令传输文件时：
sudo obexftp -b 00:25:48:11:32:B7 -p /home/pi/rik.txt
这是我得到的输出：
Browsing 00:25:48:11:32:B7 ...
Connecting...failed: connect
Tried to connect for 3000ms
Interupted/bad reception or the device moved out of range: Operation now in progress
Still trying to connect
Connecting...failed: connect
Tried to connect for 0ms
error on connect(): Device or resource busy
Still trying to connect
Connecting...failed: connect
Tried to connect for 0ms
error on connect(): Device or resource busy
Still trying to connect
我该如何解决这个问题？