msdbot.h

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/***************************************************************************/
#ifndef __MSDBOT_H
#define __MSDBOT_H

/***************************************************************************/
/***************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif

#define CBW_LEN          31
#define CSW_LEN          13

#define BOT_DIR_IN       0x80                 /* bmCBWFlags value for bulk IN cmds.  */
#define BOT_DIR_OUT      0x00                 /* bmCBWFlags value for bulk OUT cmds. */

#define CSW_SIGNATURE    0x53425355           /* Ascii USBS */
#define CBW_SIGNATURE    0x43425355           /* Ascii USBC */

/**************************************************************************/
SL_PACK_START(1)
typedef struct
{
  uint32_t dCBWSignature;           
  uint32_t dCBWTag;                 
  uint32_t dCBWDataTransferLength;  
  union
  {
    struct
    {
      uint8_t Reserved1 : 6;        
      uint8_t Obsolete  : 1;        
      uint8_t Direction : 1;        
    };
    uint8_t bmCBWFlags;             
  };
  union
  {
    struct
    {
      uint8_t Lun       : 4;        
      uint8_t Reserved2 : 4;        
    };
    uint8_t bCBWLUN;
  };
  union
  {
    struct
    {
      uint8_t CBLength  : 5;        
      uint8_t Reserved3 : 3;        
    };
    uint8_t bCBWCBLength;           
  };
  uint8_t CBWCB[ 16 ];              
} SL_ATTRIBUTE_PACKED MSDBOT_CBW_TypeDef;
SL_PACK_END()

/**************************************************************************/
SL_PACK_START(1)
typedef struct
{
  uint32_t dCSWSignature;           
  uint32_t dCSWTag;                 
  uint32_t dCSWDataResidue;         
  uint8_t  bCSWStatus;              
} SL_ATTRIBUTE_PACKED MSDBOT_CSW_TypeDef;
SL_PACK_END()


typedef enum
{
  MSDBOT_STATUS_OK  = 0,            
  MSDBOT_INIT_ERROR = -1,           
  MSDBOT_CMD_FAILED = -2,           
  MSDBOT_XFER_ERROR = -3,           
} MSDBOT_Status_TypeDef;

/*** MSDBOT Function prototypes ***/

#if defined(USB_HOST)

int MSDBOT_Init(USBH_Ep_TypeDef *out, USBH_Ep_TypeDef *in);
int MSDBOT_Xfer(void* cbw, void* data);

#endif

#ifdef __cplusplus
}
#endif

#endif /* __MSDBOT_H */