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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. | |
MSC context.
| 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.