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document msc

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This commit is contained in:
hathach
2013-10-26 19:14:06 +07:00
parent 621cdc7013
commit acd69a7692
1 changed files with 18 additions and 14 deletions
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32
tinyusb/class/msc.h
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@@ -143,17 +143,19 @@ typedef ATTR_PACKED_STRUCT(struct) {
STATIC_ASSERT(sizeof(scsi_test_unit_ready_t) == 6, "size is not correct");
/// SCSI Inquiry Command
typedef ATTR_PACKED_STRUCT(struct) {
uint8_t cmd_code ;
uint8_t cmd_code ; ///< SCSI OpCode for \ref SCSI_CMD_INQUIRY
uint8_t reserved1 ;
uint8_t page_code ;
uint8_t reserved2 ;
uint8_t alloc_length ;
uint8_t alloc_length ; ///< specifies the maximum number of bytes that USB host has allocated in the Data-In Buffer. An allocation length of zero specifies that no data shall be transferred.
uint8_t control ;
} scsi_inquiry_t, scsi_request_sense_t;
STATIC_ASSERT(sizeof(scsi_inquiry_t) == 6, "size is not correct");
/// SCSI Inquiry Response Data
typedef ATTR_PACKED_STRUCT(struct)
{
uint8_t peripheral_device_type : 5;
@@ -192,23 +194,23 @@ typedef ATTR_PACKED_STRUCT(struct)
uint8_t wbus16 : 1;
uint8_t : 2;
uint8_t vendor_id[8];
uint8_t product_id[16];
uint8_t product_revision[4];
uint8_t vendor_id[8] ; ///< 8 bytes of ASCII data identifying the vendor of the product. The T10 vendor identification shall be one assigned by INCITS. A list of assigned T10 vendor identifications is in Annex E and on the T10 web site (http://www.t10.org).
uint8_t product_id[16] ; ///< 16 bytes of ASCII data defined by the vendor.
uint8_t product_revision[4] ; ///< 4 bytes of ASCII data defined by the vendor.
} scsi_inquiry_data_t;
STATIC_ASSERT(sizeof(scsi_inquiry_data_t) == 36, "size is not correct");
// test unit ready
//--------------------------------------------------------------------+
// SCSI Block Command (SBC-3)
// NOTE: All data in SCSI command are in Big Endian
//--------------------------------------------------------------------+
/// SCSI Read Capacity 10 Command
typedef ATTR_PACKED_STRUCT(struct) {
uint8_t cmd_code ;
uint8_t cmd_code ; ///< SCSI OpCode for \ref SCSI_CMD_READ_CAPACITY_10
uint8_t reserved1 ;
uint32_t lba ;
uint32_t lba ; ///< The first Logical Block Address (LBA) accessed by this command
uint16_t reserved2 ;
uint8_t partial_medium_indicator ;
uint8_t control ;
@@ -216,19 +218,21 @@ typedef ATTR_PACKED_STRUCT(struct) {
STATIC_ASSERT(sizeof(scsi_read_capacity10_t) == 10, "size is not correct");
/// SCSI Read Capacity 10 Response Data
typedef struct {
uint32_t last_lba ;
uint32_t block_size ;
uint32_t last_lba ; ///< The last Logical Block Address of the device
uint32_t block_size ; ///< Block size in bytes
} scsi_read_capacity10_data_t;
STATIC_ASSERT(sizeof(scsi_read_capacity10_data_t) == 8, "size is not correct");
/// SCSI Read 10 Command
typedef ATTR_PACKED_STRUCT(struct) {
uint8_t cmd_code ;
uint8_t cmd_code ; ///< SCSI OpCode
uint8_t reserved ; // has LUN according to wiki
uint32_t lba ;
uint32_t lba ; ///< The first Logical Block Address (LBA) accessed by this command
uint8_t reserved2 ;
uint16_t block_count ;
uint16_t block_count ; ///< Number of Blocks used by this command
uint8_t control ;
} scsi_read10_t, scsi_write10_t;