chap9.h

网上收集的利用nios软核

#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_*/