#pragma pack(1)
typedef struct
  {
  union
    {
    struct
      {
      unsigned char    bRecipient : 5;
      unsigned char    bType      : 2;
      unsigned char    bDir       : 1;
      };
    unsigned char     bmRequestType;
    };
  unsigned char        bRequest;
  union
    {
    unsigned short    wValue;
    unsigned char    bValue[2];
    };
  union
    {
    unsigned short    wIndex;
    unsigned char    bIndex[2];
    };
  unsigned short    wLength;
  } USB_SETUPREQUEST;
#pragma pack()

#if defined ( __CC_ARM )
#pragma anon_unions
#endif