usb_bsp.h

ucusb 关于sl811驱动移植源码

/*
*********************************************************************************************************
*                                            Micrium, Inc.
*                                        949 Crestview Circle
*                                       Weston,  FL 33327-1848
*
*                                            uC/USB-Bulk
*
*                                (c) Copyright 2003 - 2004, Micrium, Inc.
*                                         All rights reserved.
*
*********************************************************************************************************

---------------------------------------------------------------------------------------------------------
File    : USB_bsp.h
Purpose : This file defines the macros used to access the SL811HS registers via its Avalon bus interface.
--------  END-OF-HEADER  --------------------------------------------------------------------------------
*/

#include "system.h"
#include "sys/alt_irq.h"
#include "USB_Private.h"
#include "SL811HS_reg.h"

/*
*********************************************************************************************************
*                                               Constants
*********************************************************************************************************
*/
                                             /* These are the addresses of the registers on the SL811HS's     */
                                             /* Avalon bus interface.  These registers are used for all reads */
                                             /* and writes to the SL811HS                                     */
#define  USB_ADDR_REG  (*(USB_U32 *)USB_BASE)
#define  USB_DATA_REG  (*(USB_U32 *)(USB_BASE + 4))
#define  USB_CTRL_REG  (*(USB_U32 *)(USB_BASE + 8)) 

/*
*********************************************************************************************************
*                                          Register Access Macros
*********************************************************************************************************
*/
                                             /* This macro can be used to write to a register on the SL811HS  */
#define USB_REG_WR(Location, Data)  \
    USB_ADDR_REG = (Location);      \
    USB_DATA_REG = (Data)
                                             /* This macro can be used to read from a register on the SL811HS */
#define USB_REG_RD(Location, Data)  \
    USB_ADDR_REG = (Location);      \
    (Data)       = USB_DATA_REG
                                             /* This macro can be used to reset the SL811HS                   */
#define USB_RESET()                 \
    USB_CTRL_REG = 0x0008;          \
    USB_CTRL_REG = 0x0000
    
/*
********************************************************************************************************
*                                                Prototypes
********************************************************************************************************
*/


USB_U8  USB_Reg_Wr_Buf(USB_U8 *pData, USB_U8 reg_addr, USB_U8 num_bytes);
void    USB_Reg_Rd_Buf(USB_U8 *pData, USB_U8 reg_addr, USB_U8 num_bytes);
void    USB_SL811HS_Init(void);
void    USB_ISR_EP0(void);
void    USB_ISR_Function(void);
void    USB_ISR_Reset(void);