1. 根目录:
2. drivers
3. staging
4. bcm
5. InterfaceMacros.h

#ifndef _INTERFACE_MACROS_H
#define _INTERFACE_MACROS_H

#define BCM_USB_MAX_READ_LENGTH 2048

#define MAXIMUM_USB_TCB      128
#define MAXIMUM_USB_RCB 	 128

#define MAX_BUFFERS_PER_QUEUE   256

#define MAX_DATA_BUFFER_SIZE    2048

//Num of Asynchronous reads pending
#define NUM_RX_DESC 64

#define SYS_CFG 0x0F000C00

#endif