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96 lines
3.7 KiB
C
96 lines
3.7 KiB
C
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/******************** (C) COPYRIGHT 2009 STMicroelectronics ********************
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* File Name : usb_bot.h
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* Author : MCD Application Team
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* Version : V3.0.1
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* Date : 04/27/2009
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* Description : BOT State Machine management
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********************************************************************************
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
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* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
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* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
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* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
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* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*******************************************************************************/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __USB_BOT_H
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#define __USB_BOT_H
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/* Includes ------------------------------------------------------------------*/
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/* Exported types ------------------------------------------------------------*/
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/* Bulk-only Command Block Wrapper */
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typedef struct _Bulk_Only_CBW
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{
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uint32_t dSignature;
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uint32_t dTag;
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uint32_t dDataLength;
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uint8_t bmFlags;
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uint8_t bLUN;
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uint8_t bCBLength;
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uint8_t CB[16];
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}
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Bulk_Only_CBW;
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/* Bulk-only Command Status Wrapper */
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typedef struct _Bulk_Only_CSW
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{
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uint32_t dSignature;
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uint32_t dTag;
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uint32_t dDataResidue;
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uint8_t bStatus;
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}
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Bulk_Only_CSW;
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/* Exported constants --------------------------------------------------------*/
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/*****************************************************************************/
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/*********************** Bulk-Only Transfer State machine ********************/
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/*****************************************************************************/
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#define BOT_IDLE 0 /* Idle state */
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#define BOT_DATA_OUT 1 /* Data Out state */
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#define BOT_DATA_IN 2 /* Data In state */
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#define BOT_DATA_IN_LAST 3 /* Last Data In Last */
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#define BOT_CSW_Send 4 /* Command Status Wrapper */
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#define BOT_ERROR 5 /* error state */
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#define BOT_CBW_SIGNATURE 0x43425355
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#define BOT_CSW_SIGNATURE 0x53425355
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#define BOT_CBW_PACKET_LENGTH 31
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#define CSW_DATA_LENGTH 0x000D
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/* CSW Status Definitions */
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#define CSW_CMD_PASSED 0x00
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#define CSW_CMD_FAILED 0x01
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#define CSW_PHASE_ERROR 0x02
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#define SEND_CSW_DISABLE 0
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#define SEND_CSW_ENABLE 1
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#define DIR_IN 0
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#define DIR_OUT 1
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#define BOTH_DIR 2
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions ------------------------------------------------------- */
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extern void MSD_Mass_Storage_In (void);
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extern void MSD_Mass_Storage_Out (void);
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extern void MSD_CBW_Decode(void);
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extern void MSD_Transfer_Data_Request(uint8_t* Data_Pointer, uint16_t Data_Len);
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extern void MSD_Set_CSW (uint8_t CSW_Status, uint8_t Send_Permission);
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extern void MSD_Bot_Abort(uint8_t Direction);
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/* Exported variables ------------------------------------------------------- */
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extern uint8_t MSD_Bot_State;
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extern uint8_t MSD_Bulk_Data_Buff[MSD_BULK_MAX_PACKET_SIZE]; /* data buffer*/
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extern uint16_t MSD_Data_Len;
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extern Bulk_Only_CBW MSD_CBW;
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extern Bulk_Only_CSW MSD_CSW;
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#endif /* __USB_BOT_H */
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/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/
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