Implementation of UHI Mass Storage Class

Class internal implementation.

Data Structures
struct	uhi_msc_dev_t
	USB MSC device information. More...

Macros
#define	UHI_MSC_SCSI_TIMEOUT   20000
	Timeout on SCSI commands. More...

Typedefs
typedef void(*	uhi_msc_scsi_sense_callback_t )(void)
	Callback type used by scsi sense command. More...

Internal defines and variables to manage MSC unit
static volatile bool	b_uhi_msc_free = true
	Flag to secure the UHI MSC resources. More...
static uhi_msc_dev_t	uhi_msc_dev
	Information about the enumerated USB MSC device. More...
#define	uhi_msc_dev_sel   (&uhi_msc_dev)
	Current USB MSC device selected by the UHI MSC. More...
static uhi_msc_lun_t *	uhi_msc_lun_sel
	Current LUN selected in USB MSC device by the UHI MSC. More...
#define	uhi_msc_lun_num_sel   uhi_msc_cbw.bCBWLUN
static struct sbc_read_capacity10_data	uhi_msc_capacity
	Temporary structures used to read LUN information via a SCSI command. More...
static struct scsi_inquiry_data	uhi_msc_inquiry
static struct scsi_request_sense_data	uhi_msc_sense
struct {
struct scsi_mode_param_header6   header
struct spc_control_page_info_execpt   sense_data
}	uhi_msc_sense6
static uhi_msc_scsi_callback_t	uhi_msc_scsi_sub_callback
	Internal callbacks. More...
static uhi_msc_scsi_callback_t	uhi_msc_scsi_callback
static uhi_msc_scsi_sense_callback_t	uhi_msc_scsi_sense_callback

#define uhi_msc_dev_sel   (&uhi_msc_dev)

Current USB MSC device selected by the UHI MSC.

#define uhi_msc_lun_num_sel   uhi_msc_cbw.bCBWLUN

Referenced by uhi_msc_enable_step2(), uhi_msc_enable_step3(), and uhi_msc_select_lun().

#define UHI_MSC_SCSI_TIMEOUT   20000

Timeout on SCSI commands.

Referenced by uhi_msc_transfer().

typedef void(* uhi_msc_scsi_sense_callback_t)(void)

Callback type used by scsi sense command.

volatile bool b_uhi_msc_free = true

static

Flag to secure the UHI MSC resources.

Referenced by uhi_msc_enable(), uhi_msc_enable_step2(), uhi_msc_enable_step3(), and uhi_msc_is_available().

struct { ... } header

struct { ... } sense_data

struct sbc_read_capacity10_data uhi_msc_capacity

static

Temporary structures used to read LUN information via a SCSI command.

Referenced by uhi_msc_scsi_read_capacity(), and uhi_msc_scsi_read_capacity_done().

uhi_msc_dev_t uhi_msc_dev

static

Initial value:

= {
    .dev = NULL,
    .lun = NULL,
    .nb_lun = 0,
}

Information about the enumerated USB MSC device.

struct scsi_inquiry_data uhi_msc_inquiry

static

Referenced by uhi_msc_scsi_inquiry().

uhi_msc_lun_t* uhi_msc_lun_sel

static

Current LUN selected in USB MSC device by the UHI MSC.

uhi_msc_scsi_callback_t uhi_msc_scsi_callback

static

Referenced by uhi_msc_scsi_inquiry(), uhi_msc_scsi_inquiry_done(), uhi_msc_scsi_mode_sense6(), uhi_msc_scsi_mode_sense6_done(), uhi_msc_scsi_read_10(), uhi_msc_scsi_read_10_done(), uhi_msc_scsi_read_capacity(), uhi_msc_scsi_read_capacity_done(), uhi_msc_scsi_read_capacity_sense(), uhi_msc_scsi_request_sense_done(), uhi_msc_scsi_test_unit_ready(), uhi_msc_scsi_test_unit_ready_done(), uhi_msc_scsi_test_unit_ready_sense(), uhi_msc_scsi_write_10(), and uhi_msc_scsi_write_10_done().

uhi_msc_scsi_sense_callback_t uhi_msc_scsi_sense_callback

static

Referenced by uhi_msc_scsi_request_sense(), and uhi_msc_scsi_request_sense_done().

uhi_msc_scsi_callback_t uhi_msc_scsi_sub_callback

static

Internal callbacks.

Referenced by uhi_msc_cbw_rst_stall(), uhi_msc_cbw_sent(), uhi_msc_csw_received(), uhi_msc_data_csw_rst_stall(), uhi_msc_data_transfered(), uhi_msc_scsi(), and uhi_msc_transfer().

struct scsi_request_sense_data uhi_msc_sense

static

Referenced by uhi_msc_scsi_request_sense(), and uhi_msc_scsi_test_unit_ready_sense().

struct { ... } uhi_msc_sense6

Referenced by uhi_msc_scsi_mode_sense6(), and uhi_msc_scsi_mode_sense6_done().