#ifndef CHAP9_H_#define CHAP9_H_/*usb request define*/#define CLEAR_FEATURE 0x1#define GET_CONFIGURATION 0x8#define GET_DESCRIPTOR	0x6#define GET_INTERFACE 0xa#define GET_STATUS	0x0#define SET_ADDRESS 0x5#define SET_CONFIGURATION 0x9#define SET_DESCRIPTOR	0x7#define SET_FEATURE	0x3#define SET_INTERFACE 0xb#define SYNCH_FRAME 0xc/**/typedef struct usbDeviceRequestS{char		bmRequestType;char		bRequest;short	wValue;short	wLength;} usbDeviceRequest;typedef struct usbEnuFsmS{char *rxBuf;char *txBuf;char fsmStatus;char usbRequest;}  usbEnuFsm;/* function definition*/int analyseUsbRequest(usbDeviceRequest* request);#endif /*CHAP9_H_*/