fps200usb.h

小程序,但是有点用出处的.进攻参考.请多多提意见.

#ifndef FPS200USB_H
#define FPS200USB_H

#define _BULK_DATA_LEN 64
typedef struct
{
	unsigned char data[_BULK_DATA_LEN];
	unsigned int size;
	unsigned int pipe;
}bulk_transfer_t,*pbulk_transfer_t;

#define USB_BLOCK_SIZE 64

#define FPS200USB_MINOR 240		/* some unassigned USB minor */
#define FPS200USB_VERSION 0x1000
#define IOCTL_FS_BULK              _IOWR('d', 0x30, bulk_transfer_t)
#define IOCTL_FS_OVERRUNS	   _IOR('d',  0x15, int)
#define IOCTL_FS_VERSION           _IOR('d', 0x3f, int) 

#ifdef __KERNEL__

typedef enum { _stopped=0, _started } driver_state_t;

typedef struct{
  struct semaphore mutex;
  struct usb_device *usbdev;
  wait_queue_head_t wait;
  wait_queue_head_t remove_ok;
  wait_queue_head_t waitReadCompletion;
  spinlock_t lock;
  atomic_t pending_io;
  driver_state_t state;
  int remove_pending;
  int got_mem;
  int readptr;
  int opened;
  int statusDataReceived;
  int fatal_error; /* true if a fatal error ocurred */

  /* urb control to read data */
  struct urb *read_urb;
  unsigned char *bulk_in_buffer; /* the buffer to be used for reading */
  unsigned int bulk_in_size; /* size of the buffer to read the image */

#ifdef INTERRUPT_HANDLING
  /* urb control to interrupt handler */
  struct urb irq_urb; /* the urb to handle interrupts */
  unsigned char icr_state; /* the state of the icr register (cache) */
  unsigned char irq_status; /* the status of the interrupt */
#endif

  /* acquisition control */
  int x;  /* start row */
  int y;  /* start line */
  int width; /* width of the image */
  int height; /* height of the image */
  int image_size;   /* total size of the image */
  int header_size;  /* the size of the file header */
  char *file_header; /* the header for the file */
  int file_format;  /* the format of the file */
} fps200usb_t,*pfps200usb_t;




#endif

#endif /* FPS200USB_H */