This module is common to all of the Example programs
It declares the {Open, Read, Write, Close} ca - 资源详细说明
This module is common to all of the Example programs
It declares the {Open, Read, Write, Close} calls for the USB device
These user-calls are translated into OS system calls
This module also contains several support routines used by all of the examples
This module is common to all of the Example programs
It declares the {Open, Read, Write, Close} ca - 源码文件列表