Documentation improvements - put driver example code into its own section, fix incorr...

[pub/USBasp.git] / Demos / Device / ClassDriver / MassStorageKeyboard / Lib / SCSI.c

diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c
index 2b4477a..5d0adf9 100644 (file)
--- a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c
+++ b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c
@@ -1,21 +1,21 @@
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.

-              
+

   dean [at] fourwalledcubicle [dot] com
   dean [at] fourwalledcubicle [dot] com

-      www.fourwalledcubicle.com
+           www.lufa-lib.org

 */
 
 /*
   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
 */
 
 /*
   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 

-  Permission to use, copy, modify, distribute, and sell this 
+  Permission to use, copy, modify, distribute, and sell this

   software and its documentation for any purpose is hereby granted
   software and its documentation for any purpose is hereby granted

-  without fee, provided that the above copyright notice appear in 
+  without fee, provided that the above copyright notice appear in

   all copies and that both that the copyright notice and this
   all copies and that both that the copyright notice and this

-  permission notice and warranty disclaimer appear in supporting 
-  documentation, and that the name of the author not be used in 
-  advertising or publicity pertaining to distribution of the 
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the

   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this
   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this


@@ -34,29 +34,29 @@
  *  devices use a thin "Bulk-Only Transport" protocol for issuing commands and status information,
  *  which wrap around standard SCSI device commands for controlling the actual storage medium.
  */
  *  devices use a thin "Bulk-Only Transport" protocol for issuing commands and status information,
  *  which wrap around standard SCSI device commands for controlling the actual storage medium.
  */

- 
+

 #define  INCLUDE_FROM_SCSI_C
 #include "SCSI.h"
 
 /** Structure to hold the SCSI response data to a SCSI INQUIRY command. This gives information about the device's
  *  features and capabilities.
  */
 #define  INCLUDE_FROM_SCSI_C
 #include "SCSI.h"
 
 /** Structure to hold the SCSI response data to a SCSI INQUIRY command. This gives information about the device's
  *  features and capabilities.
  */

-SCSI_Inquiry_Response_t InquiryData = 
+SCSI_Inquiry_Response_t InquiryData =

        {
                .DeviceType          = DEVICE_TYPE_BLOCK,
                .PeripheralQualifier = 0,
        {
                .DeviceType          = DEVICE_TYPE_BLOCK,
                .PeripheralQualifier = 0,

-                       
+

                .Removable           = true,
                .Removable           = true,

-                       
+

                .Version             = 0,
                .Version             = 0,

-                       
+

                .ResponseDataFormat  = 2,
                .NormACA             = false,
                .TrmTsk              = false,
                .AERC                = false,
 
                .AdditionalLength    = 0x1F,
                .ResponseDataFormat  = 2,
                .NormACA             = false,
                .TrmTsk              = false,
                .AERC                = false,
 
                .AdditionalLength    = 0x1F,

-                       
+

                .SoftReset           = false,
                .CmdQue              = false,
                .Linked              = false,
                .SoftReset           = false,
                .CmdQue              = false,
                .Linked              = false,


@@ -64,7 +64,7 @@ SCSI_Inquiry_Response_t InquiryData =
                .WideBus16Bit        = false,
                .WideBus32Bit        = false,
                .RelAddr             = false,
                .WideBus16Bit        = false,
                .WideBus32Bit        = false,
                .RelAddr             = false,

-               
+

                .VendorID            = "LUFA",
                .ProductID           = "Dataflash Disk",
                .RevisionID          = {'0','.','0','0'},
                .VendorID            = "LUFA",
                .ProductID           = "Dataflash Disk",
                .RevisionID          = {'0','.','0','0'},


@@ -85,8 +85,10 @@ SCSI_Request_Sense_Response_t SenseData =
  *  a command failure due to a ILLEGAL REQUEST.
  *
  *  \param[in] MSInterfaceInfo  Pointer to the Mass Storage class interface structure that the command is associated with
  *  a command failure due to a ILLEGAL REQUEST.
  *
  *  \param[in] MSInterfaceInfo  Pointer to the Mass Storage class interface structure that the command is associated with

+ *
+ *  \return Boolean true if the command completed successfully, false otherwise

  */
  */

-bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
+bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)

 {
        bool CommandSuccess = false;
 
 {
        bool CommandSuccess = false;
 


@@ -94,13 +96,13 @@ bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
        switch (MSInterfaceInfo->State.CommandBlock.SCSICommandData[0])
        {
                case SCSI_CMD_INQUIRY:
        switch (MSInterfaceInfo->State.CommandBlock.SCSICommandData[0])
        {
                case SCSI_CMD_INQUIRY:

-                       CommandSuccess = SCSI_Command_Inquiry(MSInterfaceInfo);                 
+                       CommandSuccess = SCSI_Command_Inquiry(MSInterfaceInfo);

                        break;
                case SCSI_CMD_REQUEST_SENSE:
                        CommandSuccess = SCSI_Command_Request_Sense(MSInterfaceInfo);
                        break;
                case SCSI_CMD_READ_CAPACITY_10:
                        break;
                case SCSI_CMD_REQUEST_SENSE:
                        CommandSuccess = SCSI_Command_Request_Sense(MSInterfaceInfo);
                        break;
                case SCSI_CMD_READ_CAPACITY_10:

-                       CommandSuccess = SCSI_Command_Read_Capacity_10(MSInterfaceInfo);                        
+                       CommandSuccess = SCSI_Command_Read_Capacity_10(MSInterfaceInfo);

                        break;
                case SCSI_CMD_SEND_DIAGNOSTIC:
                        CommandSuccess = SCSI_Command_Send_Diagnostic(MSInterfaceInfo);
                        break;
                case SCSI_CMD_SEND_DIAGNOSTIC:
                        CommandSuccess = SCSI_Command_Send_Diagnostic(MSInterfaceInfo);


@@ -111,6 +113,9 @@ bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
                case SCSI_CMD_READ_10:
                        CommandSuccess = SCSI_Command_ReadWrite_10(MSInterfaceInfo, DATA_READ);
                        break;
                case SCSI_CMD_READ_10:
                        CommandSuccess = SCSI_Command_ReadWrite_10(MSInterfaceInfo, DATA_READ);
                        break;

+               case SCSI_CMD_MODE_SENSE_6:
+                       CommandSuccess = SCSI_Command_ModeSense_6(MSInterfaceInfo);
+                       break;

                case SCSI_CMD_TEST_UNIT_READY:
                case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
                case SCSI_CMD_VERIFY_10:
                case SCSI_CMD_TEST_UNIT_READY:
                case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
                case SCSI_CMD_VERIFY_10:


@@ -132,7 +137,7 @@ bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
                SCSI_SET_SENSE(SCSI_SENSE_KEY_GOOD,
                               SCSI_ASENSE_NO_ADDITIONAL_INFORMATION,
                               SCSI_ASENSEQ_NO_QUALIFIER);
                SCSI_SET_SENSE(SCSI_SENSE_KEY_GOOD,
                               SCSI_ASENSE_NO_ADDITIONAL_INFORMATION,
                               SCSI_ASENSEQ_NO_QUALIFIER);

-               
+

                return true;
        }
 
                return true;
        }
 


@@ -146,10 +151,9 @@ bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
  *
  *  \return Boolean true if the command completed successfully, false otherwise.
  */
  *
  *  \return Boolean true if the command completed successfully, false otherwise.
  */

-static bool SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
+static bool SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)

 {
 {

-       uint16_t AllocationLength  = (((uint16_t)MSInterfaceInfo->State.CommandBlock.SCSICommandData[3] << 8) |
-                                                MSInterfaceInfo->State.CommandBlock.SCSICommandData[4]);
+       uint16_t AllocationLength  = SwapEndian_16(*(uint16_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[3]);

        uint16_t BytesTransferred  = (AllocationLength < sizeof(InquiryData))? AllocationLength :
                                                                               sizeof(InquiryData);
 
        uint16_t BytesTransferred  = (AllocationLength < sizeof(InquiryData))? AllocationLength :
                                                                               sizeof(InquiryData);
 


@@ -164,20 +168,20 @@ static bool SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
 
                return false;
        }
 
                return false;
        }

-       
+

        Endpoint_Write_Stream_LE(&InquiryData, BytesTransferred, NO_STREAM_CALLBACK);
 
        uint8_t PadBytes[AllocationLength - BytesTransferred];
        Endpoint_Write_Stream_LE(&InquiryData, BytesTransferred, NO_STREAM_CALLBACK);
 
        uint8_t PadBytes[AllocationLength - BytesTransferred];

-       
+

        /* Pad out remaining bytes with 0x00 */
        /* Pad out remaining bytes with 0x00 */

-       Endpoint_Write_Stream_LE(&PadBytes, (AllocationLength - BytesTransferred), NO_STREAM_CALLBACK);
+       Endpoint_Write_Stream_LE(&PadBytes, sizeof(PadBytes), NO_STREAM_CALLBACK);

 
        /* Finalize the stream transfer to send the last packet */
        Endpoint_ClearIN();
 
        /* Succeed the command and update the bytes transferred counter */
        MSInterfaceInfo->State.CommandBlock.DataTransferLength -= BytesTransferred;
 
        /* Finalize the stream transfer to send the last packet */
        Endpoint_ClearIN();
 
        /* Succeed the command and update the bytes transferred counter */
        MSInterfaceInfo->State.CommandBlock.DataTransferLength -= BytesTransferred;

-       
+

        return true;
 }
 
        return true;
 }
 


@@ -188,15 +192,15 @@ static bool SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
  *
  *  \return Boolean true if the command completed successfully, false otherwise.
  */
  *
  *  \return Boolean true if the command completed successfully, false otherwise.
  */

-static bool SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
+static bool SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)

 {
        uint8_t  AllocationLength = MSInterfaceInfo->State.CommandBlock.SCSICommandData[4];
        uint8_t  BytesTransferred = (AllocationLength < sizeof(SenseData))? AllocationLength : sizeof(SenseData);
 {
        uint8_t  AllocationLength = MSInterfaceInfo->State.CommandBlock.SCSICommandData[4];
        uint8_t  BytesTransferred = (AllocationLength < sizeof(SenseData))? AllocationLength : sizeof(SenseData);

-       
+

        uint8_t PadBytes[AllocationLength - BytesTransferred];
 
        Endpoint_Write_Stream_LE(&SenseData, BytesTransferred, NO_STREAM_CALLBACK);
        uint8_t PadBytes[AllocationLength - BytesTransferred];
 
        Endpoint_Write_Stream_LE(&SenseData, BytesTransferred, NO_STREAM_CALLBACK);

-       Endpoint_Write_Stream_LE(&PadBytes, (AllocationLength - BytesTransferred), NO_STREAM_CALLBACK);
+       Endpoint_Write_Stream_LE(&PadBytes, sizeof(PadBytes), NO_STREAM_CALLBACK);

        Endpoint_ClearIN();
 
        /* Succeed the command and update the bytes transferred counter */
        Endpoint_ClearIN();
 
        /* Succeed the command and update the bytes transferred counter */


@@ -212,7 +216,7 @@ static bool SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* MSInterfaceInf
  *
  *  \return Boolean true if the command completed successfully, false otherwise.
  */
  *
  *  \return Boolean true if the command completed successfully, false otherwise.
  */

-static bool SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
+static bool SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)

 {
        uint32_t LastBlockAddressInLUN = (LUN_MEDIA_BLOCKS - 1);
        uint32_t MediaBlockSize        = VIRTUAL_MEMORY_BLOCK_SIZE;
 {
        uint32_t LastBlockAddressInLUN = (LUN_MEDIA_BLOCKS - 1);
        uint32_t MediaBlockSize        = VIRTUAL_MEMORY_BLOCK_SIZE;


@@ -220,10 +224,10 @@ static bool SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* MSInterface
        Endpoint_Write_Stream_BE(&LastBlockAddressInLUN, sizeof(LastBlockAddressInLUN), NO_STREAM_CALLBACK);
        Endpoint_Write_Stream_BE(&MediaBlockSize, sizeof(MediaBlockSize), NO_STREAM_CALLBACK);
        Endpoint_ClearIN();
        Endpoint_Write_Stream_BE(&LastBlockAddressInLUN, sizeof(LastBlockAddressInLUN), NO_STREAM_CALLBACK);
        Endpoint_Write_Stream_BE(&MediaBlockSize, sizeof(MediaBlockSize), NO_STREAM_CALLBACK);
        Endpoint_ClearIN();

-       
+

        /* Succeed the command and update the bytes transferred counter */
        MSInterfaceInfo->State.CommandBlock.DataTransferLength -= 8;
        /* Succeed the command and update the bytes transferred counter */
        MSInterfaceInfo->State.CommandBlock.DataTransferLength -= 8;

-       
+

        return true;
 }
 
        return true;
 }
 


@@ -235,10 +239,8 @@ static bool SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* MSInterface
  *
  *  \return Boolean true if the command completed successfully, false otherwise.
  */
  *
  *  \return Boolean true if the command completed successfully, false otherwise.
  */

-static bool SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
+static bool SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)

 {
 {

-       uint8_t ReturnByte;
-

        /* Check to see if the SELF TEST bit is not set */
        if (!(MSInterfaceInfo->State.CommandBlock.SCSICommandData[1] & (1 << 2)))
        {
        /* Check to see if the SELF TEST bit is not set */
        if (!(MSInterfaceInfo->State.CommandBlock.SCSICommandData[1] & (1 << 2)))
        {


@@ -249,51 +251,26 @@ static bool SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* MSInterfaceI
 
                return false;
        }
 
                return false;
        }

-       
-       /* Test first Dataflash IC is present and responding to commands */
-       Dataflash_SelectChip(DATAFLASH_CHIP1);
-       Dataflash_SendByte(DF_CMD_READMANUFACTURERDEVICEINFO);
-       ReturnByte = Dataflash_ReceiveByte();
-       Dataflash_DeselectChip();
-
-       /* If returned data is invalid, fail the command */
-       if (ReturnByte != DF_MANUFACTURER_ATMEL)
-       {
-               /* Update SENSE key with a hardware error condition and return command fail */
-               SCSI_SET_SENSE(SCSI_SENSE_KEY_HARDWARE_ERROR,
-                              SCSI_ASENSE_NO_ADDITIONAL_INFORMATION,
-                              SCSI_ASENSEQ_NO_QUALIFIER);      
-       
-               return false;
-       }
-
-       #if (DATAFLASH_TOTALCHIPS == 2)
-       /* Test second Dataflash IC is present and responding to commands */
-       Dataflash_SelectChip(DATAFLASH_CHIP2);
-       Dataflash_SendByte(DF_CMD_READMANUFACTURERDEVICEINFO);
-       ReturnByte = Dataflash_ReceiveByte();
-       Dataflash_DeselectChip();

 
 

-       /* If returned data is invalid, fail the command */
-       if (ReturnByte != DF_MANUFACTURER_ATMEL)
+       /* Check to see if all attached Dataflash ICs are functional */
+       if (!(DataflashManager_CheckDataflashOperation()))

        {
                /* Update SENSE key with a hardware error condition and return command fail */
                SCSI_SET_SENSE(SCSI_SENSE_KEY_HARDWARE_ERROR,
                               SCSI_ASENSE_NO_ADDITIONAL_INFORMATION,
        {
                /* Update SENSE key with a hardware error condition and return command fail */
                SCSI_SET_SENSE(SCSI_SENSE_KEY_HARDWARE_ERROR,
                               SCSI_ASENSE_NO_ADDITIONAL_INFORMATION,

-                              SCSI_ASENSEQ_NO_QUALIFIER);      
-       
+                              SCSI_ASENSEQ_NO_QUALIFIER);
+

                return false;
        }
                return false;
        }

-       #endif
-       
+

        /* Succeed the command and update the bytes transferred counter */
        MSInterfaceInfo->State.CommandBlock.DataTransferLength = 0;
        /* Succeed the command and update the bytes transferred counter */
        MSInterfaceInfo->State.CommandBlock.DataTransferLength = 0;

-       
+

        return true;
 }
 
 /** Command processing for an issued SCSI READ (10) or WRITE (10) command. This command reads in the block start address
        return true;
 }
 
 /** Command processing for an issued SCSI READ (10) or WRITE (10) command. This command reads in the block start address

- *  and total number of blocks to process, then calls the appropriate low-level dataflash routine to handle the actual
+ *  and total number of blocks to process, then calls the appropriate low-level Dataflash routine to handle the actual

  *  reading and writing of the data.
  *
  *  \param[in] MSInterfaceInfo  Pointer to the Mass Storage class interface structure that the command is associated with
  *  reading and writing of the data.
  *
  *  \param[in] MSInterfaceInfo  Pointer to the Mass Storage class interface structure that the command is associated with


@@ -301,21 +278,29 @@ static bool SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* MSInterfaceI
  *
  *  \return Boolean true if the command completed successfully, false otherwise.
  */
  *
  *  \return Boolean true if the command completed successfully, false otherwise.
  */

-static bool SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* MSInterfaceInfo, const bool IsDataRead)
+static bool SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
+                                      const bool IsDataRead)

 {
        uint32_t BlockAddress;
        uint16_t TotalBlocks;
 {
        uint32_t BlockAddress;
        uint16_t TotalBlocks;

-       
-       /* Load in the 32-bit block address (SCSI uses big-endian, so have to do it byte-by-byte) */
-       ((uint8_t*)&BlockAddress)[3] = MSInterfaceInfo->State.CommandBlock.SCSICommandData[2];
-       ((uint8_t*)&BlockAddress)[2] = MSInterfaceInfo->State.CommandBlock.SCSICommandData[3];
-       ((uint8_t*)&BlockAddress)[1] = MSInterfaceInfo->State.CommandBlock.SCSICommandData[4];
-       ((uint8_t*)&BlockAddress)[0] = MSInterfaceInfo->State.CommandBlock.SCSICommandData[5];
-
-       /* Load in the 16-bit total blocks (SCSI uses big-endian, so have to do it byte-by-byte) */
-       ((uint8_t*)&TotalBlocks)[1]  = MSInterfaceInfo->State.CommandBlock.SCSICommandData[7];
-       ((uint8_t*)&TotalBlocks)[0]  = MSInterfaceInfo->State.CommandBlock.SCSICommandData[8];
-       
+
+       /* Check if the disk is write protected or not */
+       if ((IsDataRead == DATA_WRITE) && DISK_READ_ONLY)
+       {
+               /* Block address is invalid, update SENSE key and return command fail */
+               SCSI_SET_SENSE(SCSI_SENSE_KEY_DATA_PROTECT,
+                              SCSI_ASENSE_WRITE_PROTECTED,
+                              SCSI_ASENSEQ_NO_QUALIFIER);
+
+               return false;           
+       }
+
+       /* Load in the 32-bit block address (SCSI uses big-endian, so have to reverse the byte order) */
+       BlockAddress = SwapEndian_32(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[2]);
+
+       /* Load in the 16-bit total blocks (SCSI uses big-endian, so have to reverse the byte order) */
+       TotalBlocks  = SwapEndian_16(*(uint16_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[7]);
+

        /* Check if the block address is outside the maximum allowable value for the LUN */
        if (BlockAddress >= LUN_MEDIA_BLOCKS)
        {
        /* Check if the block address is outside the maximum allowable value for the LUN */
        if (BlockAddress >= LUN_MEDIA_BLOCKS)
        {


@@ -331,7 +316,7 @@ static bool SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* MSInterfaceInfo
        /* Adjust the given block address to the real media address based on the selected LUN */
        BlockAddress += ((uint32_t)MSInterfaceInfo->State.CommandBlock.LUN * LUN_MEDIA_BLOCKS);
        #endif
        /* Adjust the given block address to the real media address based on the selected LUN */
        BlockAddress += ((uint32_t)MSInterfaceInfo->State.CommandBlock.LUN * LUN_MEDIA_BLOCKS);
        #endif

-       
+

        /* Determine if the packet is a READ (10) or WRITE (10) command, call appropriate function */
        if (IsDataRead == DATA_READ)
          DataflashManager_ReadBlocks(MSInterfaceInfo, BlockAddress, TotalBlocks);
        /* Determine if the packet is a READ (10) or WRITE (10) command, call appropriate function */
        if (IsDataRead == DATA_READ)
          DataflashManager_ReadBlocks(MSInterfaceInfo, BlockAddress, TotalBlocks);


@@ -340,6 +325,28 @@ static bool SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* MSInterfaceInfo
 
        /* Update the bytes transferred counter and succeed the command */
        MSInterfaceInfo->State.CommandBlock.DataTransferLength -= ((uint32_t)TotalBlocks * VIRTUAL_MEMORY_BLOCK_SIZE);
 
        /* Update the bytes transferred counter and succeed the command */
        MSInterfaceInfo->State.CommandBlock.DataTransferLength -= ((uint32_t)TotalBlocks * VIRTUAL_MEMORY_BLOCK_SIZE);

-       
+
+       return true;
+}
+
+/** Command processing for an issued SCSI MODE SENSE (6) command. This command returns various informational pages about
+ *  the SCSI device, as well as the device's Write Protect status.
+ *
+ *  \param[in] MSInterfaceInfo  Pointer to the Mass Storage class interface structure that the command is associated with
+ *
+ *  \return Boolean true if the command completed successfully, false otherwise.
+ */
+static bool SCSI_Command_ModeSense_6(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
+{
+       /* Send an empty header response with the Write Protect flag status */
+       Endpoint_Write_Byte(0x00);
+       Endpoint_Write_Byte(0x00);
+       Endpoint_Write_Byte(DISK_READ_ONLY ? 0x80 : 0x00);
+       Endpoint_Write_Byte(0x00);
+       Endpoint_ClearIN();
+
+       /* Update the bytes transferred counter and succeed the command */
+       MSInterfaceInfo->State.CommandBlock.DataTransferLength -= 4;
+

        return true;
 }
        return true;
 }