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-rw-r--r--lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.c534
-rw-r--r--lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h87
-rw-r--r--lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c349
-rw-r--r--lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.h89
4 files changed, 1059 insertions, 0 deletions
diff --git a/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.c b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.c
new file mode 100644
index 0000000000..c0fd16ccc4
--- /dev/null
+++ b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.c
@@ -0,0 +1,534 @@
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ 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
+ software without specific, written prior permission.
+
+ The author disclaims all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Functions to manage the physical Dataflash media, including reading and writing of
+ * blocks of data. These functions are called by the SCSI layer when data must be stored
+ * or retrieved to/from the physical storage media. If a different media is used (such
+ * as a SD card or EEPROM), functions similar to these will need to be generated.
+ */
+
+#define INCLUDE_FROM_DATAFLASHMANAGER_C
+#include "DataflashManager.h"
+
+/** Writes blocks (OS blocks, not Dataflash pages) to the storage medium, the board Dataflash IC(s), from
+ * the pre-selected data OUT endpoint. This routine reads in OS sized blocks from the endpoint and writes
+ * them to the Dataflash in Dataflash page sized blocks.
+ *
+ * \param[in] MSInterfaceInfo Pointer to a structure containing a Mass Storage Class configuration and state
+ * \param[in] BlockAddress Data block starting address for the write sequence
+ * \param[in] TotalBlocks Number of blocks of data to write
+ */
+void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
+ const uint32_t BlockAddress,
+ uint16_t TotalBlocks)
+{
+ uint16_t CurrDFPage = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) / DATAFLASH_PAGE_SIZE);
+ uint16_t CurrDFPageByte = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) % DATAFLASH_PAGE_SIZE);
+ uint8_t CurrDFPageByteDiv16 = (CurrDFPageByte >> 4);
+ bool UsingSecondBuffer = false;
+
+ /* Select the correct starting Dataflash IC for the block requested */
+ Dataflash_SelectChipFromPage(CurrDFPage);
+
+#if (DATAFLASH_PAGE_SIZE > VIRTUAL_MEMORY_BLOCK_SIZE)
+ /* Copy selected dataflash's current page contents to the Dataflash buffer */
+ Dataflash_SendByte(DF_CMD_MAINMEMTOBUFF1);
+ Dataflash_SendAddressBytes(CurrDFPage, 0);
+ Dataflash_WaitWhileBusy();
+#endif
+
+ /* Send the Dataflash buffer write command */
+ Dataflash_SendByte(DF_CMD_BUFF1WRITE);
+ Dataflash_SendAddressBytes(0, CurrDFPageByte);
+
+ /* Wait until endpoint is ready before continuing */
+ if (Endpoint_WaitUntilReady())
+ return;
+
+ while (TotalBlocks)
+ {
+ uint8_t BytesInBlockDiv16 = 0;
+
+ /* Write an endpoint packet sized data block to the Dataflash */
+ while (BytesInBlockDiv16 < (VIRTUAL_MEMORY_BLOCK_SIZE >> 4))
+ {
+ /* Check if the endpoint is currently empty */
+ if (!(Endpoint_IsReadWriteAllowed()))
+ {
+ /* Clear the current endpoint bank */
+ Endpoint_ClearOUT();
+
+ /* Wait until the host has sent another packet */
+ if (Endpoint_WaitUntilReady())
+ return;
+ }
+
+ /* Check if end of Dataflash page reached */
+ if (CurrDFPageByteDiv16 == (DATAFLASH_PAGE_SIZE >> 4))
+ {
+ /* Write the Dataflash buffer contents back to the Dataflash page */
+ Dataflash_WaitWhileBusy();
+ Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2TOMAINMEMWITHERASE : DF_CMD_BUFF1TOMAINMEMWITHERASE);
+ Dataflash_SendAddressBytes(CurrDFPage, 0);
+
+ /* Reset the Dataflash buffer counter, increment the page counter */
+ CurrDFPageByteDiv16 = 0;
+ CurrDFPage++;
+
+ /* Once all the Dataflash ICs have had their first buffers filled, switch buffers to maintain throughput */
+ if (Dataflash_GetSelectedChip() == DATAFLASH_CHIP_MASK(DATAFLASH_TOTALCHIPS))
+ UsingSecondBuffer = !(UsingSecondBuffer);
+
+ /* Select the next Dataflash chip based on the new Dataflash page index */
+ Dataflash_SelectChipFromPage(CurrDFPage);
+
+#if (DATAFLASH_PAGE_SIZE > VIRTUAL_MEMORY_BLOCK_SIZE)
+ /* If less than one Dataflash page remaining, copy over the existing page to preserve trailing data */
+ if ((TotalBlocks * (VIRTUAL_MEMORY_BLOCK_SIZE >> 4)) < (DATAFLASH_PAGE_SIZE >> 4))
+ {
+ /* Copy selected dataflash's current page contents to the Dataflash buffer */
+ Dataflash_WaitWhileBusy();
+ Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_MAINMEMTOBUFF2 : DF_CMD_MAINMEMTOBUFF1);
+ Dataflash_SendAddressBytes(CurrDFPage, 0);
+ Dataflash_WaitWhileBusy();
+ }
+#endif
+
+ /* Send the Dataflash buffer write command */
+ Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2WRITE : DF_CMD_BUFF1WRITE);
+ Dataflash_SendAddressBytes(0, 0);
+ }
+
+ /* Write one 16-byte chunk of data to the Dataflash */
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+
+ /* Increment the Dataflash page 16 byte block counter */
+ CurrDFPageByteDiv16++;
+
+ /* Increment the block 16 byte block counter */
+ BytesInBlockDiv16++;
+
+ /* Check if the current command is being aborted by the host */
+ if (MSInterfaceInfo->State.IsMassStoreReset)
+ return;
+ }
+
+ /* Decrement the blocks remaining counter */
+ TotalBlocks--;
+ }
+
+ /* Write the Dataflash buffer contents back to the Dataflash page */
+ Dataflash_WaitWhileBusy();
+ Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2TOMAINMEMWITHERASE : DF_CMD_BUFF1TOMAINMEMWITHERASE);
+ Dataflash_SendAddressBytes(CurrDFPage, 0x00);
+ Dataflash_WaitWhileBusy();
+
+ /* If the endpoint is empty, clear it ready for the next packet from the host */
+ if (!(Endpoint_IsReadWriteAllowed()))
+ Endpoint_ClearOUT();
+
+ /* Deselect all Dataflash chips */
+ Dataflash_DeselectChip();
+}
+
+/** Reads blocks (OS blocks, not Dataflash pages) from the storage medium, the board Dataflash IC(s), into
+ * the pre-selected data IN endpoint. This routine reads in Dataflash page sized blocks from the Dataflash
+ * and writes them in OS sized blocks to the endpoint.
+ *
+ * \param[in] MSInterfaceInfo Pointer to a structure containing a Mass Storage Class configuration and state
+ * \param[in] BlockAddress Data block starting address for the read sequence
+ * \param[in] TotalBlocks Number of blocks of data to read
+ */
+void DataflashManager_ReadBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
+ const uint32_t BlockAddress,
+ uint16_t TotalBlocks)
+{
+ uint16_t CurrDFPage = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) / DATAFLASH_PAGE_SIZE);
+ uint16_t CurrDFPageByte = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) % DATAFLASH_PAGE_SIZE);
+ uint8_t CurrDFPageByteDiv16 = (CurrDFPageByte >> 4);
+
+ /* Select the correct starting Dataflash IC for the block requested */
+ Dataflash_SelectChipFromPage(CurrDFPage);
+
+ /* Send the Dataflash main memory page read command */
+ Dataflash_SendByte(DF_CMD_MAINMEMPAGEREAD);
+ Dataflash_SendAddressBytes(CurrDFPage, CurrDFPageByte);
+ Dataflash_SendByte(0x00);
+ Dataflash_SendByte(0x00);
+ Dataflash_SendByte(0x00);
+ Dataflash_SendByte(0x00);
+
+ /* Wait until endpoint is ready before continuing */
+ if (Endpoint_WaitUntilReady())
+ return;
+
+ while (TotalBlocks)
+ {
+ uint8_t BytesInBlockDiv16 = 0;
+
+ /* Read an endpoint packet sized data block from the Dataflash */
+ while (BytesInBlockDiv16 < (VIRTUAL_MEMORY_BLOCK_SIZE >> 4))
+ {
+ /* Check if the endpoint is currently full */
+ if (!(Endpoint_IsReadWriteAllowed()))
+ {
+ /* Clear the endpoint bank to send its contents to the host */
+ Endpoint_ClearIN();
+
+ /* Wait until the endpoint is ready for more data */
+ if (Endpoint_WaitUntilReady())
+ return;
+ }
+
+ /* Check if end of Dataflash page reached */
+ if (CurrDFPageByteDiv16 == (DATAFLASH_PAGE_SIZE >> 4))
+ {
+ /* Reset the Dataflash buffer counter, increment the page counter */
+ CurrDFPageByteDiv16 = 0;
+ CurrDFPage++;
+
+ /* Select the next Dataflash chip based on the new Dataflash page index */
+ Dataflash_SelectChipFromPage(CurrDFPage);
+
+ /* Send the Dataflash main memory page read command */
+ Dataflash_SendByte(DF_CMD_MAINMEMPAGEREAD);
+ Dataflash_SendAddressBytes(CurrDFPage, 0);
+ Dataflash_SendByte(0x00);
+ Dataflash_SendByte(0x00);
+ Dataflash_SendByte(0x00);
+ Dataflash_SendByte(0x00);
+ }
+
+ /* Read one 16-byte chunk of data from the Dataflash */
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+
+ /* Increment the Dataflash page 16 byte block counter */
+ CurrDFPageByteDiv16++;
+
+ /* Increment the block 16 byte block counter */
+ BytesInBlockDiv16++;
+
+ /* Check if the current command is being aborted by the host */
+ if (MSInterfaceInfo->State.IsMassStoreReset)
+ return;
+ }
+
+ /* Decrement the blocks remaining counter */
+ TotalBlocks--;
+ }
+
+ /* If the endpoint is full, send its contents to the host */
+ if (!(Endpoint_IsReadWriteAllowed()))
+ Endpoint_ClearIN();
+
+ /* Deselect all Dataflash chips */
+ Dataflash_DeselectChip();
+}
+
+/** Writes blocks (OS blocks, not Dataflash pages) to the storage medium, the board Dataflash IC(s), from
+ * the given RAM buffer. This routine reads in OS sized blocks from the buffer and writes them to the
+ * Dataflash in Dataflash page sized blocks. This can be linked to FAT libraries to write files to the
+ * Dataflash.
+ *
+ * \param[in] BlockAddress Data block starting address for the write sequence
+ * \param[in] TotalBlocks Number of blocks of data to write
+ * \param[in] BufferPtr Pointer to the data source RAM buffer
+ */
+void DataflashManager_WriteBlocks_RAM(const uint32_t BlockAddress,
+ uint16_t TotalBlocks,
+ uint8_t* BufferPtr)
+{
+ uint16_t CurrDFPage = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) / DATAFLASH_PAGE_SIZE);
+ uint16_t CurrDFPageByte = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) % DATAFLASH_PAGE_SIZE);
+ uint8_t CurrDFPageByteDiv16 = (CurrDFPageByte >> 4);
+ bool UsingSecondBuffer = false;
+
+ /* Select the correct starting Dataflash IC for the block requested */
+ Dataflash_SelectChipFromPage(CurrDFPage);
+
+#if (DATAFLASH_PAGE_SIZE > VIRTUAL_MEMORY_BLOCK_SIZE)
+ /* Copy selected dataflash's current page contents to the Dataflash buffer */
+ Dataflash_SendByte(DF_CMD_MAINMEMTOBUFF1);
+ Dataflash_SendAddressBytes(CurrDFPage, 0);
+ Dataflash_WaitWhileBusy();
+#endif
+
+ /* Send the Dataflash buffer write command */
+ Dataflash_SendByte(DF_CMD_BUFF1WRITE);
+ Dataflash_SendAddressBytes(0, CurrDFPageByte);
+
+ while (TotalBlocks)
+ {
+ uint8_t BytesInBlockDiv16 = 0;
+
+ /* Write an endpoint packet sized data block to the Dataflash */
+ while (BytesInBlockDiv16 < (VIRTUAL_MEMORY_BLOCK_SIZE >> 4))
+ {
+ /* Check if end of Dataflash page reached */
+ if (CurrDFPageByteDiv16 == (DATAFLASH_PAGE_SIZE >> 4))
+ {
+ /* Write the Dataflash buffer contents back to the Dataflash page */
+ Dataflash_WaitWhileBusy();
+ Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2TOMAINMEMWITHERASE : DF_CMD_BUFF1TOMAINMEMWITHERASE);
+ Dataflash_SendAddressBytes(CurrDFPage, 0);
+
+ /* Reset the Dataflash buffer counter, increment the page counter */
+ CurrDFPageByteDiv16 = 0;
+ CurrDFPage++;
+
+ /* Once all the Dataflash ICs have had their first buffers filled, switch buffers to maintain throughput */
+ if (Dataflash_GetSelectedChip() == DATAFLASH_CHIP_MASK(DATAFLASH_TOTALCHIPS))
+ UsingSecondBuffer = !(UsingSecondBuffer);
+
+ /* Select the next Dataflash chip based on the new Dataflash page index */
+ Dataflash_SelectChipFromPage(CurrDFPage);
+
+#if (DATAFLASH_PAGE_SIZE > VIRTUAL_MEMORY_BLOCK_SIZE)
+ /* If less than one Dataflash page remaining, copy over the existing page to preserve trailing data */
+ if ((TotalBlocks * (VIRTUAL_MEMORY_BLOCK_SIZE >> 4)) < (DATAFLASH_PAGE_SIZE >> 4))
+ {
+ /* Copy selected dataflash's current page contents to the Dataflash buffer */
+ Dataflash_WaitWhileBusy();
+ Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_MAINMEMTOBUFF2 : DF_CMD_MAINMEMTOBUFF1);
+ Dataflash_SendAddressBytes(CurrDFPage, 0);
+ Dataflash_WaitWhileBusy();
+ }
+#endif
+
+ /* Send the Dataflash buffer write command */
+ Dataflash_ToggleSelectedChipCS();
+ Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2WRITE : DF_CMD_BUFF1WRITE);
+ Dataflash_SendAddressBytes(0, 0);
+ }
+
+ /* Write one 16-byte chunk of data to the Dataflash */
+ for (uint8_t ByteNum = 0; ByteNum < 16; ByteNum++)
+ Dataflash_SendByte(*(BufferPtr++));
+
+ /* Increment the Dataflash page 16 byte block counter */
+ CurrDFPageByteDiv16++;
+
+ /* Increment the block 16 byte block counter */
+ BytesInBlockDiv16++;
+ }
+
+ /* Decrement the blocks remaining counter */
+ TotalBlocks--;
+ }
+
+ /* Write the Dataflash buffer contents back to the Dataflash page */
+ Dataflash_WaitWhileBusy();
+ Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2TOMAINMEMWITHERASE : DF_CMD_BUFF1TOMAINMEMWITHERASE);
+ Dataflash_SendAddressBytes(CurrDFPage, 0x00);
+ Dataflash_WaitWhileBusy();
+
+ /* Deselect all Dataflash chips */
+ Dataflash_DeselectChip();
+}
+
+/** Reads blocks (OS blocks, not Dataflash pages) from the storage medium, the board Dataflash IC(s), into
+ * the preallocated RAM buffer. This routine reads in Dataflash page sized blocks from the Dataflash
+ * and writes them in OS sized blocks to the given buffer. This can be linked to FAT libraries to read
+ * the files stored on the Dataflash.
+ *
+ * \param[in] BlockAddress Data block starting address for the read sequence
+ * \param[in] TotalBlocks Number of blocks of data to read
+ * \param[out] BufferPtr Pointer to the data destination RAM buffer
+ */
+void DataflashManager_ReadBlocks_RAM(const uint32_t BlockAddress,
+ uint16_t TotalBlocks,
+ uint8_t* BufferPtr)
+{
+ uint16_t CurrDFPage = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) / DATAFLASH_PAGE_SIZE);
+ uint16_t CurrDFPageByte = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) % DATAFLASH_PAGE_SIZE);
+ uint8_t CurrDFPageByteDiv16 = (CurrDFPageByte >> 4);
+
+ /* Select the correct starting Dataflash IC for the block requested */
+ Dataflash_SelectChipFromPage(CurrDFPage);
+
+ /* Send the Dataflash main memory page read command */
+ Dataflash_SendByte(DF_CMD_MAINMEMPAGEREAD);
+ Dataflash_SendAddressBytes(CurrDFPage, CurrDFPageByte);
+ Dataflash_SendByte(0x00);
+ Dataflash_SendByte(0x00);
+ Dataflash_SendByte(0x00);
+ Dataflash_SendByte(0x00);
+
+ while (TotalBlocks)
+ {
+ uint8_t BytesInBlockDiv16 = 0;
+
+ /* Read an endpoint packet sized data block from the Dataflash */
+ while (BytesInBlockDiv16 < (VIRTUAL_MEMORY_BLOCK_SIZE >> 4))
+ {
+ /* Check if end of Dataflash page reached */
+ if (CurrDFPageByteDiv16 == (DATAFLASH_PAGE_SIZE >> 4))
+ {
+ /* Reset the Dataflash buffer counter, increment the page counter */
+ CurrDFPageByteDiv16 = 0;
+ CurrDFPage++;
+
+ /* Select the next Dataflash chip based on the new Dataflash page index */
+ Dataflash_SelectChipFromPage(CurrDFPage);
+
+ /* Send the Dataflash main memory page read command */
+ Dataflash_SendByte(DF_CMD_MAINMEMPAGEREAD);
+ Dataflash_SendAddressBytes(CurrDFPage, 0);
+ Dataflash_SendByte(0x00);
+ Dataflash_SendByte(0x00);
+ Dataflash_SendByte(0x00);
+ Dataflash_SendByte(0x00);
+ }
+
+ /* Read one 16-byte chunk of data from the Dataflash */
+ for (uint8_t ByteNum = 0; ByteNum < 16; ByteNum++)
+ *(BufferPtr++) = Dataflash_ReceiveByte();
+
+ /* Increment the Dataflash page 16 byte block counter */
+ CurrDFPageByteDiv16++;
+
+ /* Increment the block 16 byte block counter */
+ BytesInBlockDiv16++;
+ }
+
+ /* Decrement the blocks remaining counter */
+ TotalBlocks--;
+ }
+
+ /* Deselect all Dataflash chips */
+ Dataflash_DeselectChip();
+}
+
+/** Disables the Dataflash memory write protection bits on the board Dataflash ICs, if enabled. */
+void DataflashManager_ResetDataflashProtections(void)
+{
+ /* Select first Dataflash chip, send the read status register command */
+ Dataflash_SelectChip(DATAFLASH_CHIP1);
+ Dataflash_SendByte(DF_CMD_GETSTATUS);
+
+ /* Check if sector protection is enabled */
+ if (Dataflash_ReceiveByte() & DF_STATUS_SECTORPROTECTION_ON)
+ {
+ Dataflash_ToggleSelectedChipCS();
+
+ /* Send the commands to disable sector protection */
+ Dataflash_SendByte(DF_CMD_SECTORPROTECTIONOFF[0]);
+ Dataflash_SendByte(DF_CMD_SECTORPROTECTIONOFF[1]);
+ Dataflash_SendByte(DF_CMD_SECTORPROTECTIONOFF[2]);
+ Dataflash_SendByte(DF_CMD_SECTORPROTECTIONOFF[3]);
+ }
+
+ /* Select second Dataflash chip (if present on selected board), send read status register command */
+ #if (DATAFLASH_TOTALCHIPS == 2)
+ Dataflash_SelectChip(DATAFLASH_CHIP2);
+ Dataflash_SendByte(DF_CMD_GETSTATUS);
+
+ /* Check if sector protection is enabled */
+ if (Dataflash_ReceiveByte() & DF_STATUS_SECTORPROTECTION_ON)
+ {
+ Dataflash_ToggleSelectedChipCS();
+
+ /* Send the commands to disable sector protection */
+ Dataflash_SendByte(DF_CMD_SECTORPROTECTIONOFF[0]);
+ Dataflash_SendByte(DF_CMD_SECTORPROTECTIONOFF[1]);
+ Dataflash_SendByte(DF_CMD_SECTORPROTECTIONOFF[2]);
+ Dataflash_SendByte(DF_CMD_SECTORPROTECTIONOFF[3]);
+ }
+ #endif
+
+ /* Deselect current Dataflash chip */
+ Dataflash_DeselectChip();
+}
+
+/** Performs a simple test on the attached Dataflash IC(s) to ensure that they are working.
+ *
+ * \return Boolean \c true if all media chips are working, \c false otherwise
+ */
+bool DataflashManager_CheckDataflashOperation(void)
+{
+ uint8_t ReturnByte;
+
+ /* 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)
+ 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)
+ return false;
+ #endif
+
+ return true;
+}
+
diff --git a/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h
new file mode 100644
index 0000000000..076847a7d6
--- /dev/null
+++ b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h
@@ -0,0 +1,87 @@
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ 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
+ software without specific, written prior permission.
+
+ The author disclaims all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Header file for DataflashManager.c.
+ */
+
+#ifndef _DATAFLASH_MANAGER_H_
+#define _DATAFLASH_MANAGER_H_
+
+ /* Includes: */
+ #include <avr/io.h>
+
+ #include "../MassStorageKeyboard.h"
+ #include "../Descriptors.h"
+ #include "Config/AppConfig.h"
+
+ #include <LUFA/Common/Common.h>
+ #include <LUFA/Drivers/USB/USB.h>
+ #include <LUFA/Drivers/Board/Dataflash.h>
+
+ /* Preprocessor Checks: */
+ #if (DATAFLASH_PAGE_SIZE % 16)
+ #error Dataflash page size must be a multiple of 16 bytes.
+ #endif
+
+ /* Defines: */
+ /** Total number of bytes of the storage medium, comprised of one or more Dataflash ICs. */
+ #define VIRTUAL_MEMORY_BYTES ((uint32_t)DATAFLASH_PAGES * DATAFLASH_PAGE_SIZE * DATAFLASH_TOTALCHIPS)
+
+ /** Block size of the device. This is kept at 512 to remain compatible with the OS despite the underlying
+ * storage media (Dataflash) using a different native block size.
+ */
+ #define VIRTUAL_MEMORY_BLOCK_SIZE 512
+
+ /** Total number of blocks of the virtual memory for reporting to the host as the device's total capacity. */
+ #define VIRTUAL_MEMORY_BLOCKS (VIRTUAL_MEMORY_BYTES / VIRTUAL_MEMORY_BLOCK_SIZE)
+
+ /** Blocks in each LUN, calculated from the total capacity divided by the total number of Logical Units in the device. */
+ #define LUN_MEDIA_BLOCKS (VIRTUAL_MEMORY_BLOCKS / TOTAL_LUNS)
+
+ /* Function Prototypes: */
+ void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
+ const uint32_t BlockAddress,
+ uint16_t TotalBlocks);
+ void DataflashManager_ReadBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
+ const uint32_t BlockAddress,
+ uint16_t TotalBlocks);
+ void DataflashManager_WriteBlocks_RAM(const uint32_t BlockAddress,
+ uint16_t TotalBlocks,
+ uint8_t* BufferPtr) ATTR_NON_NULL_PTR_ARG(3);
+ void DataflashManager_ReadBlocks_RAM(const uint32_t BlockAddress,
+ uint16_t TotalBlocks,
+ uint8_t* BufferPtr) ATTR_NON_NULL_PTR_ARG(3);
+ void DataflashManager_ResetDataflashProtections(void);
+ bool DataflashManager_CheckDataflashOperation(void);
+
+#endif
+
diff --git a/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c
new file mode 100644
index 0000000000..8780d1603d
--- /dev/null
+++ b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.c
@@ -0,0 +1,349 @@
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ 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
+ software without specific, written prior permission.
+
+ The author disclaims all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * SCSI command processing routines, for SCSI commands issued by the host. Mass Storage
+ * 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.
+ */
+static const SCSI_Inquiry_Response_t InquiryData =
+ {
+ .DeviceType = DEVICE_TYPE_BLOCK,
+ .PeripheralQualifier = 0,
+
+ .Removable = true,
+
+ .Version = 0,
+
+ .ResponseDataFormat = 2,
+ .NormACA = false,
+ .TrmTsk = false,
+ .AERC = false,
+
+ .AdditionalLength = 0x1F,
+
+ .SoftReset = false,
+ .CmdQue = false,
+ .Linked = false,
+ .Sync = false,
+ .WideBus16Bit = false,
+ .WideBus32Bit = false,
+ .RelAddr = false,
+
+ .VendorID = "LUFA",
+ .ProductID = "Dataflash Disk",
+ .RevisionID = {'0','.','0','0'},
+ };
+
+/** Structure to hold the sense data for the last issued SCSI command, which is returned to the host after a SCSI REQUEST SENSE
+ * command is issued. This gives information on exactly why the last command failed to complete.
+ */
+static SCSI_Request_Sense_Response_t SenseData =
+ {
+ .ResponseCode = 0x70,
+ .AdditionalLength = 0x0A,
+ };
+
+
+/** Main routine to process the SCSI command located in the Command Block Wrapper read from the host. This dispatches
+ * to the appropriate SCSI command handling routine if the issued command is supported by the device, else it returns
+ * 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 \c true if the command completed successfully, \c false otherwise
+ */
+bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
+{
+ bool CommandSuccess = false;
+
+ /* Run the appropriate SCSI command hander function based on the passed command */
+ switch (MSInterfaceInfo->State.CommandBlock.SCSICommandData[0])
+ {
+ case SCSI_CMD_INQUIRY:
+ CommandSuccess = SCSI_Command_Inquiry(MSInterfaceInfo);
+ 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);
+ break;
+ case SCSI_CMD_SEND_DIAGNOSTIC:
+ CommandSuccess = SCSI_Command_Send_Diagnostic(MSInterfaceInfo);
+ break;
+ case SCSI_CMD_WRITE_10:
+ CommandSuccess = SCSI_Command_ReadWrite_10(MSInterfaceInfo, DATA_WRITE);
+ 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_START_STOP_UNIT:
+ case SCSI_CMD_TEST_UNIT_READY:
+ case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
+ case SCSI_CMD_VERIFY_10:
+ /* These commands should just succeed, no handling required */
+ CommandSuccess = true;
+ MSInterfaceInfo->State.CommandBlock.DataTransferLength = 0;
+ break;
+ default:
+ /* Update the SENSE key to reflect the invalid command */
+ SCSI_SET_SENSE(SCSI_SENSE_KEY_ILLEGAL_REQUEST,
+ SCSI_ASENSE_INVALID_COMMAND,
+ SCSI_ASENSEQ_NO_QUALIFIER);
+ break;
+ }
+
+ /* Check if command was successfully processed */
+ if (CommandSuccess)
+ {
+ SCSI_SET_SENSE(SCSI_SENSE_KEY_GOOD,
+ SCSI_ASENSE_NO_ADDITIONAL_INFORMATION,
+ SCSI_ASENSEQ_NO_QUALIFIER);
+
+ return true;
+ }
+
+ return false;
+}
+
+/** Command processing for an issued SCSI INQUIRY command. This command returns information about the device's features
+ * and capabilities to the host.
+ *
+ * \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
+ *
+ * \return Boolean \c true if the command completed successfully, \c false otherwise.
+ */
+static bool SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
+{
+ uint16_t AllocationLength = SwapEndian_16(*(uint16_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[3]);
+ uint16_t BytesTransferred = MIN(AllocationLength, sizeof(InquiryData));
+
+ /* Only the standard INQUIRY data is supported, check if any optional INQUIRY bits set */
+ if ((MSInterfaceInfo->State.CommandBlock.SCSICommandData[1] & ((1 << 0) | (1 << 1))) ||
+ MSInterfaceInfo->State.CommandBlock.SCSICommandData[2])
+ {
+ /* Optional but unsupported bits set - update the SENSE key and fail the request */
+ SCSI_SET_SENSE(SCSI_SENSE_KEY_ILLEGAL_REQUEST,
+ SCSI_ASENSE_INVALID_FIELD_IN_CDB,
+ SCSI_ASENSEQ_NO_QUALIFIER);
+
+ return false;
+ }
+
+ Endpoint_Write_Stream_LE(&InquiryData, BytesTransferred, NULL);
+
+ /* Pad out remaining bytes with 0x00 */
+ Endpoint_Null_Stream((AllocationLength - BytesTransferred), NULL);
+
+ /* 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;
+}
+
+/** Command processing for an issued SCSI REQUEST SENSE command. This command returns information about the last issued command,
+ * including the error code and additional error information so that the host can determine why a command failed to complete.
+ *
+ * \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
+ *
+ * \return Boolean \c true if the command completed successfully, \c false otherwise.
+ */
+static bool SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
+{
+ uint8_t AllocationLength = MSInterfaceInfo->State.CommandBlock.SCSICommandData[4];
+ uint8_t BytesTransferred = MIN(AllocationLength, sizeof(SenseData));
+
+ Endpoint_Write_Stream_LE(&SenseData, BytesTransferred, NULL);
+ Endpoint_Null_Stream((AllocationLength - BytesTransferred), NULL);
+ Endpoint_ClearIN();
+
+ /* Succeed the command and update the bytes transferred counter */
+ MSInterfaceInfo->State.CommandBlock.DataTransferLength -= BytesTransferred;
+
+ return true;
+}
+
+/** Command processing for an issued SCSI READ CAPACITY (10) command. This command returns information about the device's capacity
+ * on the selected Logical Unit (drive), as a number of OS-sized blocks.
+ *
+ * \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
+ *
+ * \return Boolean \c true if the command completed successfully, \c false otherwise.
+ */
+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;
+
+ Endpoint_Write_Stream_BE(&LastBlockAddressInLUN, sizeof(LastBlockAddressInLUN), NULL);
+ Endpoint_Write_Stream_BE(&MediaBlockSize, sizeof(MediaBlockSize), NULL);
+ Endpoint_ClearIN();
+
+ /* Succeed the command and update the bytes transferred counter */
+ MSInterfaceInfo->State.CommandBlock.DataTransferLength -= 8;
+
+ return true;
+}
+
+/** Command processing for an issued SCSI SEND DIAGNOSTIC command. This command performs a quick check of the Dataflash ICs on the
+ * board, and indicates if they are present and functioning correctly. Only the Self-Test portion of the diagnostic command is
+ * supported.
+ *
+ * \param[in] MSInterfaceInfo Pointer to the Mass Storage class interface structure that the command is associated with
+ *
+ * \return Boolean \c true if the command completed successfully, \c false otherwise.
+ */
+static bool SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
+{
+ /* Check to see if the SELF TEST bit is not set */
+ if (!(MSInterfaceInfo->State.CommandBlock.SCSICommandData[1] & (1 << 2)))
+ {
+ /* Only self-test supported - update SENSE key and fail the command */
+ SCSI_SET_SENSE(SCSI_SENSE_KEY_ILLEGAL_REQUEST,
+ SCSI_ASENSE_INVALID_FIELD_IN_CDB,
+ SCSI_ASENSEQ_NO_QUALIFIER);
+
+ return false;
+ }
+
+ /* 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,
+ SCSI_ASENSEQ_NO_QUALIFIER);
+
+ return false;
+ }
+
+ /* 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
+ * 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
+ * \param[in] IsDataRead Indicates if the command is a READ (10) command or WRITE (10) command (DATA_READ or DATA_WRITE)
+ *
+ * \return Boolean \c true if the command completed successfully, \c false otherwise.
+ */
+static bool SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
+ const bool IsDataRead)
+{
+ uint32_t BlockAddress;
+ uint16_t TotalBlocks;
+
+ /* 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)
+ {
+ /* Block address is invalid, update SENSE key and return command fail */
+ SCSI_SET_SENSE(SCSI_SENSE_KEY_ILLEGAL_REQUEST,
+ SCSI_ASENSE_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE,
+ SCSI_ASENSEQ_NO_QUALIFIER);
+
+ return false;
+ }
+
+ #if (TOTAL_LUNS > 1)
+ /* 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);
+ else
+ DataflashManager_WriteBlocks(MSInterfaceInfo, BlockAddress, TotalBlocks);
+
+ /* 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 \c true if the command completed successfully, \c 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_8(0x00);
+ Endpoint_Write_8(0x00);
+ Endpoint_Write_8(DISK_READ_ONLY ? 0x80 : 0x00);
+ Endpoint_Write_8(0x00);
+ Endpoint_ClearIN();
+
+ /* Update the bytes transferred counter and succeed the command */
+ MSInterfaceInfo->State.CommandBlock.DataTransferLength -= 4;
+
+ return true;
+}
+
diff --git a/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.h b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.h
new file mode 100644
index 0000000000..c442e45386
--- /dev/null
+++ b/lib/lufa/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/SCSI.h
@@ -0,0 +1,89 @@
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ 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
+ software without specific, written prior permission.
+
+ The author disclaims all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Header file for SCSI.c.
+ */
+
+#ifndef _SCSI_H_
+#define _SCSI_H_
+
+ /* Includes: */
+ #include <avr/io.h>
+ #include <avr/pgmspace.h>
+
+ #include <LUFA/Drivers/USB/USB.h>
+
+ #include "../MassStorageKeyboard.h"
+ #include "../Descriptors.h"
+ #include "DataflashManager.h"
+ #include "Config/AppConfig.h"
+
+ /* Macros: */
+ /** Macro to set the current SCSI sense data to the given key, additional sense code and additional sense qualifier. This
+ * is for convenience, as it allows for all three sense values (returned upon request to the host to give information about
+ * the last command failure) in a quick and easy manner.
+ *
+ * \param[in] Key New SCSI sense key to set the sense code to
+ * \param[in] Acode New SCSI additional sense key to set the additional sense code to
+ * \param[in] Aqual New SCSI additional sense key qualifier to set the additional sense qualifier code to
+ */
+ #define SCSI_SET_SENSE(Key, Acode, Aqual) do { SenseData.SenseKey = (Key); \
+ SenseData.AdditionalSenseCode = (Acode); \
+ SenseData.AdditionalSenseQualifier = (Aqual); } while (0)
+
+ /** Macro for the \ref SCSI_Command_ReadWrite_10() function, to indicate that data is to be read from the storage medium. */
+ #define DATA_READ true
+
+ /** Macro for the \ref SCSI_Command_ReadWrite_10() function, to indicate that data is to be written to the storage medium. */
+ #define DATA_WRITE false
+
+ /** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a Block Media device. */
+ #define DEVICE_TYPE_BLOCK 0x00
+
+ /** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a CD-ROM device. */
+ #define DEVICE_TYPE_CDROM 0x05
+
+ /* Function Prototypes: */
+ bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
+
+ #if defined(INCLUDE_FROM_SCSI_C)
+ static bool SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
+ static bool SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
+ static bool SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
+ static bool SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
+ static bool SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
+ const bool IsDataRead);
+ static bool SCSI_Command_ModeSense_6(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo);
+ #endif
+
+#endif
+