usb_standard_request.h

Six objects here: The document you re reading & its Chinese version Set of "HWDesign" includes

/*
   //*************************************************************************
   // USB Protocol Layer
   //*************************************************************************
*/

/*
   //*************************************************************************
   // USB standard device requests
   //*************************************************************************
*/
void get_status(void);
void clear_feature(void);
void set_feature(void);
void set_address(void);
void get_descriptor(void);
void get_configuration(void);
void set_configuration(void);
void get_interface(void);
void set_interface(void);

void reserved(void);