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