usb_bot.h

源码

/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
* File Name          : usb_bot.h
* Author             : MCD Application Team
* Date First Issued  : 10/01/2006 : V1.0
* Description        : BOT State Machine management 
********************************************************************************
* History:
* 10/01/2006 : V1.0
********************************************************************************
* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __USB_BOT_H
#define __USB_BOT_H
/* Includes ------------------------------------------------------------------*/
#include "usb_lib.h"
#include "usb_mem.h"
/* Exported types ------------------------------------------------------------*/

/* Bulk-only Command Block Wrapper */

typedef struct _Bulk_Only_CBW {
  u32 dSignature;
  u32 dTag;
  u32 dDataLength;
  u8  bmFlags;
  u8  bLUN;
  u8  bCBLength;
  u8  CB[16];
} Bulk_Only_CBW;

/* Bulk-only Command Status Wrapper */
typedef struct _Bulk_Only_CSW {
  u32 dSignature;
  u32 dTag;
  u32 dDataResidue;
  u8  bStatus;
} Bulk_Only_CSW;
/* Exported constants --------------------------------------------------------*/

/*****************************************************************************/
/*********************** Bulk-Only Transfer State machine ********************/
/*****************************************************************************/
#define BOT_IDLE                      0       /* Idle state */
#define BOT_DATA_OUT                  1       /* Data Out state */
#define BOT_DATA_IN                   2       /* Data In state */
#define BOT_DATA_IN_LAST              3       /* Last Data In Last */
#define BOT_CSW_Send                  4       /* Command Status Wrapper */
#define BOT_ERROR                     5       /* error state */

#define BOT_CBW_SIGNATURE             0x43425355
#define BOT_CSW_SIGNATURE             0x53425355
#define BOT_CBW_PACKET_LENGTH         31

#define CSW_DATA_LENGTH               0x000D

/* CSW Status Definitions */
#define CSW_CMD_PASSED                0x00
#define CSW_CMD_FAILED                0x01
#define CSW_PHASE_ERROR               0x02

#define DIR_IN                        0
#define DIR_OUT                       1
#define BOTH_DIR                      2
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
void Mass_Storage_In (void);
void Mass_Storage_Out (void);
void CBW_Decode(void);
void Transfer_Data_Request(u8* Data_Pointer, u16 Data_Len);
void Set_CSW (u8 CSW_Status);
void Bot_Abort(u8 Direction);
#endif /* __USB_BOT_H */
/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/