/**
******************************************************************************
* @file usb_bot.h
* @author MCD Application Team
* @version V4.0.0
* @date 21-January-2013
* @brief BOT State Machine management
******************************************************************************
* @attention
*
*
© COPYRIGHT 2013 STMicroelectronics
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __USB_BOT_H
#define __USB_BOT_H
/* Includes ------------------------------------------------------------------*/
/* Exported types ------------------------------------------------------------*/
/* Bulk-only Command Block Wrapper */
typedef struct _Bulk_Only_CBW
{
uint32_t dSignature;
uint32_t dTag;
uint32_t dDataLength;
uint8_t bmFlags;
uint8_t bLUN;
uint8_t bCBLength;
uint8_t CB[16];
}
Bulk_Only_CBW;
/* Bulk-only Command Status Wrapper */
typedef struct _Bulk_Only_CSW
{
uint32_t dSignature;
uint32_t dTag;
uint32_t dDataResidue;
uint8_t 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 SEND_CSW_DISABLE 0
#define SEND_CSW_ENABLE 1
#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(uint8_t* Data_Pointer, uint16_t Data_Len);
void Set_CSW (uint8_t CSW_Status, uint8_t Send_Permission);
void Bot_Abort(uint8_t Direction);
#endif /* __USB_BOT_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/