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#include <app_usbd_msc_internal.h>

Data Fields
app_usbd_msc_state_t	state
	Internal module state.

app_usbd_msc_cbw_t	cbw
	SCSI command block wrapper.

app_usbd_msc_csw_t	csw
	SCSI Command status wrapper.

struct {
struct {
uint8_t rd_idx
	Buffer read index.

uint8_t d_count
	Number of blocks inside the buffer ready to process.

uint8_t a_count
	Number of blocks allocated in the buffer.

} buff

struct {
size_t size_left
	Number of bytes left to transfer.

size_t datalen_left
	Number of bytes left that was requested by the host.

bool pending
	The flag marking the pending transfer.

bool abort

} transfer

struct {
uint8_t lun
	The logical unit for current transfer block.

size_t blk_size
	The size of the block of the selected lun.

size_t size_left
	Number of bytes left to be processed by block device.

size_t datalen_left
	Number of bytes left that was requested by the host.

uint32_t blk_idx
	Current block index.

bool pending
	The flag marking the pending transfer.

bool abort

} process

}	current

union {
app_usbd_scsi_cmd_inquiry_resp_t inquiry
	APP_USBD_SCSI_CMD_INQUIRY response

app_usbd_scsi_cmd_requestsense_resp_t requestsense
	APP_USBD_SCSI_CMD_REQUESTSENSE response

app_usbd_scsi_cmd_readcapacity10_resp_t readcapacity10
	APP_USBD_SCSI_CMD_READCAPACITY10 response

app_usbd_scsi_cmd_modesense6_resp_t modesense6
	APP_USBD_SCSI_CMD_MODESENSE6 response

app_usbd_scsi_cmd_modesense10_resp_t modesense10
	APP_USBD_SCSI_CMD_MODESENSE10 response

}	scsi_resp

uint16_t	blk_dev_init_mask
	Block devices init mask.

Detailed Description

MSC context.

Field Documentation

bool app_usbd_msc_ctx_t::abort

        Something fails during reading - abort transfer and mark an error,

Used for read access.

        Something fails during transfer - abort processing and mark an error,

Used for write access.

size_t app_usbd_msc_ctx_t::size_left

Number of bytes left to transfer.

Number of bytes left to be processed by block device.