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added support for

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- sense data scsi_sense_fixed_data_t
- read format capacity scsi_read_format_capacity_data_t

change msc device callback to support actual response
fix dcd_pipe_clear_stall also reset toggle
This commit is contained in:
hathach
2013-11-01 22:00:39 +07:00
parent f2ae5b541f
commit d02ef07337
6 changed files with 114 additions and 19 deletions
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68
tinyusb/class/msc.h
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@@ -121,12 +121,13 @@ STATIC_ASSERT(sizeof(msc_cmd_status_wrapper_t) == 13, "size is not correct");
/// SCSI Command Operation Code
typedef enum {
SCSI_CMD_TEST_UNIT_READY = 0x00, ///< The SCSI Test Unit Ready command is used to determine if a device is ready to transfer data (read/write), i.e. if a disk has spun up, if a tape is loaded and ready etc. The device does not perform a self-test operation.
SCSI_CMD_INQUIRY = 0x12, ///< The SCSI Inquiry command is used to obtain basic information from a target device.
SCSI_CMD_READ_CAPACITY_10 = 0x25, ///< The SCSI Read Capacity command is used to obtain data capacity information from a target device.
SCSI_CMD_REQUEST_SENSE = 0x03, ///< The SCSI Request Sense command is part of the SCSI computer protocol standard. This command is used to obtain sense data -- status/error information -- from a target device.
SCSI_CMD_READ_10 = 0x28, ///< The READ (10) command requests that the device server read the specified logical block(s) and transfer them to the data-in buffer.
SCSI_CMD_WRITE_10 = 0x2A, ///< The WRITE (10) command requests thatthe device server transfer the specified logical block(s) from the data-out buffer and write them.
SCSI_CMD_TEST_UNIT_READY = 0x00, ///< The SCSI Test Unit Ready command is used to determine if a device is ready to transfer data (read/write), i.e. if a disk has spun up, if a tape is loaded and ready etc. The device does not perform a self-test operation.
SCSI_CMD_INQUIRY = 0x12, ///< The SCSI Inquiry command is used to obtain basic information from a target device.
SCSI_CMD_READ_CAPACITY_10 = 0x25, ///< The SCSI Read Capacity command is used to obtain data capacity information from a target device.
SCSI_CMD_REQUEST_SENSE = 0x03, ///< The SCSI Request Sense command is part of the SCSI computer protocol standard. This command is used to obtain sense data -- status/error information -- from a target device.
SCSI_CMD_READ_FORMAT_CAPACITY = 0x23, ///< The command allows the Host to request a list of the possible format capacities for an installed writable media. This command also has the capability to report the writable capacity for a media when it is installed
SCSI_CMD_READ_10 = 0x28, ///< The READ (10) command requests that the device server read the specified logical block(s) and transfer them to the data-in buffer.
SCSI_CMD_WRITE_10 = 0x2A, ///< The WRITE (10) command requests thatthe device server transfer the specified logical block(s) from the data-out buffer and write them.
}scsi_cmd_type_t;
//--------------------------------------------------------------------+
@@ -201,12 +202,65 @@ typedef ATTR_PACKED_STRUCT(struct)
STATIC_ASSERT(sizeof(scsi_inquiry_data_t) == 36, "size is not correct");
typedef ATTR_PACKED_STRUCT(struct) {
uint8_t response_code : 7; ///< 70h - current errors, Fixed Format 71h - deferred errors, Fixed Format
uint8_t valid : 1;
uint8_t reserved; ///< Obsolete
uint8_t sense_key : 4;
uint8_t : 1;
uint8_t incorrect_len_idicatior : 1;
uint8_t end_of_medium : 1;
uint8_t filemark : 1;
uint32_t information;
uint8_t additional_sense_len;
uint32_t command_specific_info;
uint8_t additional_sense_code;
uint8_t additional_sense_qualifier;
uint8_t field_replaceable_unit_code;
uint8_t sense_key_specific[3]; ///< sense key specific valid bit is bit 7 of key[0], aka MSB in Big Endian layout
} scsi_sense_fixed_data_t;
STATIC_ASSERT(sizeof(scsi_sense_fixed_data_t) == 18, "size is not correct");
//--------------------------------------------------------------------+
// SCSI MMC
//--------------------------------------------------------------------+
/// SCSI Read Format Capacity: Write Capacity
typedef ATTR_PACKED_STRUCT(struct) {
uint8_t cmd_code;
uint8_t reserved[6];
uint16_t alloc_length;
uint8_t control;
} scsi_read_format_capacity_t;
STATIC_ASSERT( sizeof(scsi_read_format_capacity_t) == 10, "size is not correct");
typedef ATTR_PACKED_STRUCT(struct){
uint8_t reserved[3];
uint8_t list_length; /// must be 8*n, length in bytes of formattable capacity descriptor followed it.
uint32_t block_num; /// Number of Logical Blocks
uint8_t descriptor_type; // 00: reserved, 01 unformatted media , 10 Formatted media, 11 No media present
uint8_t reserved2;
uint16_t block_size;
} scsi_read_format_capacity_data_t;
STATIC_ASSERT( sizeof(scsi_read_format_capacity_data_t) == 12, "size is not correct");
//--------------------------------------------------------------------+
// SCSI Block Command (SBC-3)
// NOTE: All data in SCSI command are in Big Endian
//--------------------------------------------------------------------+
/// SCSI Read Capacity 10 Command
/// SCSI Read Capacity 10 Command: Read Capacity
typedef ATTR_PACKED_STRUCT(struct) {
uint8_t cmd_code ; ///< SCSI OpCode for \ref SCSI_CMD_READ_CAPACITY_10
uint8_t reserved1 ;

12
tinyusb/class/msc_device.c
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@@ -141,13 +141,15 @@ void mscd_isr(endpoint_handle_t edpt_hdl, tusb_event_t event, uint32_t xferred_b
p_msc->cbw.signature == MSC_CBW_SIGNATURE, VOID_RETURN );
void *p_buffer = NULL;
uint16_t actual_length = p_msc->cbw.xfer_bytes;
p_msc->csw.signature = MSC_CSW_SIGNATURE;
p_msc->csw.tag = p_msc->cbw.tag;
p_msc->csw.status = tusbd_msc_scsi_received_isr(edpt_hdl.coreid, p_msc->cbw.lun, p_msc->cbw.command, &p_buffer, p_msc->cbw.xfer_bytes);
p_msc->csw.signature = MSC_CSW_SIGNATURE;
p_msc->csw.tag = p_msc->cbw.tag;
p_msc->csw.status = tusbd_msc_scsi_received_isr(edpt_hdl.coreid, p_msc->cbw.lun, p_msc->cbw.command, &p_buffer, &actual_length);
p_msc->csw.data_residue = 0; // TODO expected length, response length
ASSERT( p_msc->cbw.xfer_bytes >= actual_length, VOID_RETURN );
//------------- Data Phase -------------//
if ( BIT_TEST_(p_msc->cbw.dir, 7) && p_buffer == NULL )
{ // application does not provide data to response --> possibly unsupported SCSI command
@@ -156,7 +158,7 @@ void mscd_isr(endpoint_handle_t edpt_hdl, tusb_event_t event, uint32_t xferred_b
}else
{
ASSERT( dcd_pipe_queue_xfer( BIT_TEST_(p_msc->cbw.dir, 7) ? p_msc->edpt_in : p_msc->edpt_out,
p_buffer, p_msc->cbw.xfer_bytes) == TUSB_ERROR_NONE, VOID_RETURN);
p_buffer, actual_length) == TUSB_ERROR_NONE, VOID_RETURN);
}
//------------- Status Phase -------------//

3
tinyusb/class/msc_device.h
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@@ -50,7 +50,8 @@
//--------------------------------------------------------------------+
// APPLICATION API
//--------------------------------------------------------------------+
msc_csw_status_t tusbd_msc_scsi_received_isr(uint8_t coreid, uint8_t lun, uint8_t scsi_cmd[16], void ** pp_buffer, uint16_t expected_length);
// p_length [in,out] allocated/maximum length, application update with actual length
msc_csw_status_t tusbd_msc_scsi_received_isr (uint8_t coreid, uint8_t lun, uint8_t scsi_cmd[16], void ** pp_buffer, uint16_t* p_length);
//--------------------------------------------------------------------+
// USBD-CLASS DRIVER API