harmony 鸿蒙USB Error Codes
USB Error Codes
NOTE
This topic describes only module-specific error codes. For details about universal error codes, see Universal Error Codes.
14400001 USB Device Connection Denied
Error Message
Permission denied. Need call requestRight to get permission.
Description
This error code is reported if a certain API of the USB module is called but the required permission is not granted.
Possible Causes
The permission to access the USB device is not granted.
Solution
Call requestRight to request for the permission to access the USB device.
14400002 HDC Disabled
Error Message
Permission denied.The HDC is disabled by the system.
Description
This error code is reported if HDC is disabled by the system.
Possible Causes
The USB debugging permission is not available.
Solution
Apply for the USB debugging permission.
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