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/*
* "Bulk only transfer" related externally visible info
*/
#ifndef _BULK_H_
#define _BULK_H_
/*---------------------------*
* declared types *
*---------------------------*/
#define BULK_PACKED __attribute__((__packed__))
#define CBW_SIGNATURE (0x43425355)
#define CBW_FLAGS_OUT (0x00)
#define CBW_FLAGS_IN (0x80)
#define CBW_CB_LENGTH (16)
/* Command Block Wrapper */
typedef struct BULK_PACKED mass_storage_cbw {
uint32_t dCBWSignature;
uint32_t dCBWTag;
uint32_t dCBWDataTransferLength;
uint8_t bCBWFlags;
uint8_t bCBWLUN; /* 4 bits */
uint8_t bCDBLength; /* 5 bits */
uint8_t CBWCB[CBW_CB_LENGTH];
}
mass_storage_cbw;
#define CSW_SIGNATURE (0x53425355)
#define CSW_STATUS_GOOD (0x0)
#define CSWS_TATUS_FAILED (0x1)
#define CSW_STATUS_PHASE (0x2)
/* Command Status Wrapper */
typedef struct BULK_PACKED mass_storage_csw {
uint32_t dCSWSignature;
uint32_t dCSWTag;
uint32_t dCSWDataResidue;
uint8_t bCSWStatus;
}
mass_storage_csw;
#undef BULK_PACKED
/*---------------------------*
* declared functions *
*---------------------------*/
void init_cbw(mass_storage_cbw *, unsigned int);
void init_csw(mass_storage_csw *);
#endif /* !_BULK_H_ */
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