diff options
Diffstat (limited to 'Projects/Incomplete/StandaloneProgrammer/Lib')
12 files changed, 2323 insertions, 0 deletions
diff --git a/Projects/Incomplete/StandaloneProgrammer/Lib/DataflashManager.c b/Projects/Incomplete/StandaloneProgrammer/Lib/DataflashManager.c new file mode 100644 index 000000000..6646278ee --- /dev/null +++ b/Projects/Incomplete/StandaloneProgrammer/Lib/DataflashManager.c @@ -0,0 +1,525 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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 disclaim 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* 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_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+ Dataflash_SendByte(Endpoint_Read_Byte());
+
+ /* 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 and reset the sub block 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* 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;
+
+ /* Write an endpoint packet sized data block to 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_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(Dataflash_ReceiveByte());
+ Endpoint_Write_Byte(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 a 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(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 and reset the sub block 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 a 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;
+
+ /* 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))
+ {
+ /* 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 true if all media chips are working, 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/Projects/Incomplete/StandaloneProgrammer/Lib/DataflashManager.h b/Projects/Incomplete/StandaloneProgrammer/Lib/DataflashManager.h new file mode 100644 index 000000000..9b74b2eaa --- /dev/null +++ b/Projects/Incomplete/StandaloneProgrammer/Lib/DataflashManager.h @@ -0,0 +1,81 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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 disclaim 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 "StandaloneProgrammer.h"
+ #include "Descriptors.h"
+
+ #include <LUFA/Common/Common.h> // Function Attribute, Atomic, Debug and ISR Macros
+ #include <LUFA/Drivers/USB/USB.h> // USB Functionality
+ #include <LUFA/Drivers/USB/Class/MassStorage.h> // Mass Storage Class Driver
+ #include <LUFA/Drivers/Board/Dataflash.h> // Dataflash chip driver
+
+ /* 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. Do not change this value.
+ */
+ #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. Do not
+ * change this value; change VIRTUAL_MEMORY_BYTES instead to alter the media size.
+ */
+ #define VIRTUAL_MEMORY_BLOCKS (VIRTUAL_MEMORY_BYTES / VIRTUAL_MEMORY_BLOCK_SIZE)
+
+ /* Function Prototypes: */
+ void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* MSInterfaceInfo, const uint32_t BlockAddress,
+ uint16_t TotalBlocks);
+ void DataflashManager_ReadBlocks(USB_ClassInfo_MS_Device_t* 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/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/00readme.txt b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/00readme.txt new file mode 100644 index 000000000..594b9194c --- /dev/null +++ b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/00readme.txt @@ -0,0 +1,36 @@ +Petit FatFs Module Source Files R0.01a (C)ChaN, 2009
+
+
+FILES
+
+ pff.h Common include file for Petit FatFs and application module.
+ pff.c Petit FatFs module.
+ diskio.h Common include file for Petit FatFs and disk I/O module.
+ diskio.c Skeleton of low level disk I/O module.
+ integer.h Alternative type definitions for integer variables.
+
+ Low level disk I/O module is not included in this archive because the Petit
+ FatFs module is only a generic file system layer and not depend on any
+ specific storage device. You have to provide a low level disk I/O module that
+ written to control your storage device.
+
+
+
+AGREEMENTS
+
+ Petit FatFs module is an open source software to implement FAT file system to
+ small embedded systems. This is a free software and is opened for education,
+ research and commercial developments under license policy of following trems.
+
+ Copyright (C) 2009, ChaN, all right reserved.
+
+ * The Petit FatFs module is a free software and there is NO WARRANTY.
+ * No restriction on use. You can use, modify and redistribute it for
+ personal, non-profit or commercial use UNDER YOUR RESPONSIBILITY.
+ * Redistributions of source code must retain the above copyright notice.
+
+
+
+REVISION HISTORY
+
+ Jun 15, 2009 R0.01a First release (Branched from FatFs R0.07b)
diff --git a/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/diskio.c b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/diskio.c new file mode 100644 index 000000000..0084fa514 --- /dev/null +++ b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/diskio.c @@ -0,0 +1,46 @@ +/*-----------------------------------------------------------------------*/
+/* Low level disk I/O module skeleton for Petit FatFs (C)ChaN, 2009 */
+/*-----------------------------------------------------------------------*/
+
+#include "diskio.h"
+
+#include <string.h>
+#include "../DataflashManager.h"
+
+/*-----------------------------------------------------------------------*/
+/* Initialize Disk Drive */
+/*-----------------------------------------------------------------------*/
+
+DSTATUS disk_initialize (void)
+{
+ DSTATUS stat;
+
+ stat = RES_OK;
+
+ return stat;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read Partial Sector */
+/*-----------------------------------------------------------------------*/
+
+DRESULT disk_readp (
+ void* dest, /* Pointer to the destination object */
+ DWORD sector, /* Sector number (LBA) */
+ WORD sofs, /* Offset in the sector */
+ WORD count /* Byte count (bit15:destination) */
+)
+{
+ DRESULT res;
+
+ uint8_t BlockTemp[512];
+ DataflashManager_ReadBlocks_RAM(sector, 1, BlockTemp);
+ memcpy(dest, &BlockTemp[sofs], count);
+
+ res = RES_OK;
+
+ return res;
+}
+
diff --git a/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/diskio.h b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/diskio.h new file mode 100644 index 000000000..c5ab064ba --- /dev/null +++ b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/diskio.h @@ -0,0 +1,36 @@ +/*-----------------------------------------------------------------------
+/ PFF - Low level disk interface modlue include file (C)ChaN, 2009
+/-----------------------------------------------------------------------*/
+
+#ifndef _DISKIO
+
+#include "integer.h"
+
+
+/* Status of Disk Functions */
+typedef BYTE DSTATUS;
+
+
+/* Results of Disk Functions */
+typedef enum {
+ RES_OK = 0, /* 0: Function succeeded */
+ RES_ERROR, /* 1: Disk error */
+ RES_STRERR, /* 2: Seream error */
+ RES_NOTRDY, /* 3: Not ready */
+ RES_PARERR /* 4: Invalid parameter */
+} DRESULT;
+
+
+/*---------------------------------------*/
+/* Prototypes for disk control functions */
+
+DSTATUS disk_initialize (void);
+DRESULT disk_readp (void*, DWORD, WORD, WORD);
+
+BOOL assign_drives (int argc, char *argv[]);
+
+#define STA_NOINIT 0x01 /* Drive not initialized */
+#define STA_NODISK 0x02 /* No medium in the drive */
+
+#define _DISKIO
+#endif
diff --git a/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/integer.h b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/integer.h new file mode 100644 index 000000000..1d6bac368 --- /dev/null +++ b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/integer.h @@ -0,0 +1,37 @@ +/*-------------------------------------------*/
+/* Integer type definitions for FatFs module */
+/*-------------------------------------------*/
+
+#ifndef _INTEGER
+
+#if 0
+#include <windows.h>
+#else
+
+/* These types must be 16-bit, 32-bit or larger integer */
+typedef int INT;
+typedef unsigned int UINT;
+
+/* These types must be 8-bit integer */
+typedef signed char CHAR;
+typedef unsigned char UCHAR;
+typedef unsigned char BYTE;
+
+/* These types must be 16-bit integer */
+typedef short SHORT;
+typedef unsigned short USHORT;
+typedef unsigned short WORD;
+typedef unsigned short WCHAR;
+
+/* These types must be 32-bit integer */
+typedef long LONG;
+typedef unsigned long ULONG;
+typedef unsigned long DWORD;
+
+/* Boolean type */
+typedef enum { FALSE = 0, TRUE } BOOL;
+
+#endif
+
+#define _INTEGER
+#endif
diff --git a/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/pff.c b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/pff.c new file mode 100644 index 000000000..126d45f4f --- /dev/null +++ b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/pff.c @@ -0,0 +1,777 @@ +/*----------------------------------------------------------------------------/
+/ Petit FatFs - FAT file system module R0.01a (C)ChaN, 2009
+/-----------------------------------------------------------------------------/
+/ Petit FatFs module is an open source software to implement FAT file system to
+/ small embedded systems. This is a free software and is opened for education,
+/ research and commercial developments under license policy of following trems.
+/
+/ Copyright (C) 2009, ChaN, all right reserved.
+/
+/ * The Petit FatFs module is a free software and there is NO WARRANTY.
+/ * No restriction on use. You can use, modify and redistribute it for
+/ personal, non-profit or commercial use UNDER YOUR RESPONSIBILITY.
+/ * Redistributions of source code must retain the above copyright notice.
+/
+/-----------------------------------------------------------------------------/
+/ Jun 15,'09 R0.01a Branched from FatFs R0.07b
+/----------------------------------------------------------------------------*/
+
+#include "pff.h" /* Petit FatFs configurations and declarations */
+#include "diskio.h" /* Declarations of low level disk I/O functions */
+
+
+/*--------------------------------------------------------------------------
+
+ Private Work Area
+
+---------------------------------------------------------------------------*/
+
+static
+FATFS *FatFs; /* Pointer to the file system object (logical drive) */
+
+
+/*--------------------------------------------------------------------------
+
+ Private Functions
+
+---------------------------------------------------------------------------*/
+
+
+/*-----------------------------------------------------------------------*/
+/* String functions */
+/*-----------------------------------------------------------------------*/
+
+/* Fill memory */
+static
+void mem_set (void* dst, int val, int cnt) {
+ char *d = (char*)dst;
+ while (cnt--) *d++ = (char)val;
+}
+
+/* Compare memory to memory */
+static
+int mem_cmp (const void* dst, const void* src, int cnt) {
+ const char *d = (const char *)dst, *s = (const char *)src;
+ int r = 0;
+ while (cnt-- && (r = *d++ - *s++) == 0) ;
+ return r;
+}
+
+/* Check if chr is contained in the string */
+static
+int chk_chr (const char* str, int chr) {
+ while (*str && *str != chr) str++;
+ return *str;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT access - Read value of a FAT entry */
+/*-----------------------------------------------------------------------*/
+
+static
+CLUST get_fat ( /* 1:IO error, Else:Cluster status */
+ CLUST clst /* Cluster# to get the link information */
+)
+{
+ WORD wc, bc, ofs;
+ BYTE buf[4];
+ FATFS *fs = FatFs;
+
+
+ if (clst < 2 || clst >= fs->max_clust) /* Range check */
+ return 1;
+
+ switch (fs->fs_type) {
+ case FS_FAT12 :
+ bc = (WORD)clst; bc += bc / 2;
+ ofs = bc % 512; bc /= 512;
+ if (ofs != 511) {
+ if (disk_readp(buf, fs->fatbase + bc, ofs, 2)) break;
+ } else {
+ if (disk_readp(buf, fs->fatbase + bc, 511, 1)) break;
+ if (disk_readp(buf+1, fs->fatbase + bc + 1, 0, 1)) break;
+ }
+ wc = LD_WORD(buf);
+ return (clst & 1) ? (wc >> 4) : (wc & 0xFFF);
+
+ case FS_FAT16 :
+ if (disk_readp(buf, fs->fatbase + clst / 256, (WORD)(((WORD)clst % 256) * 2), 2)) break;
+ return LD_WORD(buf);
+#if _FS_FAT32
+ case FS_FAT32 :
+ if (disk_readp(buf, fs->fatbase + clst / 128, (WORD)(((WORD)clst % 128) * 4), 4)) break;
+ return LD_DWORD(buf) & 0x0FFFFFFF;
+#endif
+ }
+
+ return 1; /* An error occured at the disk I/O layer */
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Get sector# from cluster# */
+/*-----------------------------------------------------------------------*/
+
+static
+DWORD clust2sect ( /* !=0: Sector number, 0: Failed - invalid cluster# */
+ CLUST clst /* Cluster# to be converted */
+)
+{
+ FATFS *fs = FatFs;
+
+
+ clst -= 2;
+ if (clst >= (fs->max_clust - 2)) return 0; /* Invalid cluster# */
+ return (DWORD)clst * fs->csize + fs->database;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Rewind directory index */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT dir_rewind (
+ DIR *dj /* Pointer to directory object */
+)
+{
+ CLUST clst;
+ FATFS *fs = FatFs;
+
+
+ dj->index = 0;
+ clst = dj->sclust;
+ if (clst == 1 || clst >= fs->max_clust) /* Check start cluster range */
+ return FR_DISK_ERR;
+#if _FS_FAT32
+ if (!clst && fs->fs_type == FS_FAT32) /* Replace cluster# 0 with root cluster# if in FAT32 */
+ clst = fs->dirbase;
+#endif
+ dj->clust = clst; /* Current cluster */
+ dj->sect = clst ? clust2sect(clst) : fs->dirbase; /* Current sector */
+
+ return FR_OK; /* Seek succeeded */
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Move directory index next */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT dir_next ( /* FR_OK:Succeeded, FR_NO_FILE:End of table, FR_DENIED:EOT and could not streach */
+ DIR *dj /* Pointer to directory object */
+)
+{
+ CLUST clst;
+ WORD i;
+ FATFS *fs = FatFs;
+
+
+ i = dj->index + 1;
+ if (!i || !dj->sect) /* Report EOT when index has reached 65535 */
+ return FR_NO_FILE;
+
+ if (!(i & (16-1))) { /* Sector changed? */
+ dj->sect++; /* Next sector */
+
+ if (dj->clust == 0) { /* Static table */
+ if (i >= fs->n_rootdir) /* Report EOT when end of table */
+ return FR_NO_FILE;
+ }
+ else { /* Dynamic table */
+ if (((i / 16) & (fs->csize-1)) == 0) { /* Cluster changed? */
+ clst = get_fat(dj->clust); /* Get next cluster */
+ if (clst <= 1) return FR_DISK_ERR;
+ if (clst >= fs->max_clust) /* When it reached end of dynamic table */
+ return FR_NO_FILE; /* Report EOT */
+ dj->clust = clst; /* Initialize data for new cluster */
+ dj->sect = clust2sect(clst);
+ }
+ }
+ }
+
+ dj->index = i;
+
+ return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Find an object in the directory */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT dir_find (
+ DIR *dj /* Pointer to the directory object linked to the file name */
+)
+{
+ FRESULT res;
+ BYTE c, *dir;
+
+
+ res = dir_rewind(dj); /* Rewind directory object */
+ if (res != FR_OK) return res;
+
+ dir = FatFs->buf;
+ do {
+ res = disk_readp(dir, dj->sect, (WORD)((dj->index % 16) * 32), 32) /* Read an entry */
+ ? FR_DISK_ERR : FR_OK;
+ if (res != FR_OK) break;
+ c = dir[DIR_Name]; /* First character */
+ if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */
+ if (!(dir[DIR_Attr] & AM_VOL) && !mem_cmp(dir, dj->fn, 11)) /* Is it a valid entry? */
+ break;
+ res = dir_next(dj); /* Next entry */
+ } while (res == FR_OK);
+
+ return res;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read an object from the directory */
+/*-----------------------------------------------------------------------*/
+#if _USE_DIR
+static
+FRESULT dir_read (
+ DIR *dj /* Pointer to the directory object to store read object name */
+)
+{
+ FRESULT res;
+ BYTE a, c, *dir;
+
+
+ res = FR_NO_FILE;
+ while (dj->sect) {
+ dir = FatFs->buf;
+ res = disk_readp(dir, dj->sect, (WORD)((dj->index % 16) * 32), 32) /* Read an entry */
+ ? FR_DISK_ERR : FR_OK;
+ if (res != FR_OK) break;
+ c = dir[DIR_Name];
+ if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */
+ a = dir[DIR_Attr] & AM_MASK;
+ if (c != 0xE5 && c != '.' && !(a & AM_VOL)) /* Is it a valid entry? */
+ break;
+ res = dir_next(dj); /* Next entry */
+ if (res != FR_OK) break;
+ }
+
+ if (res != FR_OK) dj->sect = 0;
+
+ return res;
+}
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Pick a segment and create the object name in directory form */
+/*-----------------------------------------------------------------------*/
+
+
+static
+FRESULT create_name (
+ DIR *dj, /* Pointer to the directory object */
+ const char **path /* Pointer to pointer to the segment in the path string */
+)
+{
+ BYTE c, ni, si, i, *sfn;
+ const char *p;
+
+ /* Create file name in directory form */
+ sfn = dj->fn;
+ mem_set(sfn, ' ', 11);
+ si = i = 0; ni = 8;
+ p = *path;
+ for (;;) {
+ c = p[si++];
+ if (c < ' ' || c == '/') break; /* Break on end of segment */
+ if (c == '.' || i >= ni) {
+ if (ni != 8 || c != '.') return FR_INVALID_NAME;
+ i = 8; ni = 11;
+ continue;
+ }
+ if (c >= 0x7F || chk_chr(" +,;[=\\]\"*:<>\?|", c)) /* Reject unallowable chrs for SFN */
+ return FR_INVALID_NAME;
+ if (c >='a' && c <= 'z') c -= 0x20;
+ sfn[i++] = c;
+ }
+ if (!i) return FR_INVALID_NAME; /* Reject null string */
+ *path = &p[si]; /* Rerurn pointer to the next segment */
+
+ sfn[11] = (c < ' ') ? 1 : 0; /* Set last segment flag if end of path */
+
+ return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Get file information from directory entry */
+/*-----------------------------------------------------------------------*/
+#if _USE_DIR
+static
+void get_fileinfo ( /* No return code */
+ DIR *dj, /* Pointer to the directory object */
+ FILINFO *fno /* Pointer to store the file information */
+)
+{
+ BYTE i, c, *dir;
+ char *p;
+
+
+ p = fno->fname;
+ if (dj->sect) {
+ dir = FatFs->buf;
+ for (i = 0; i < 8; i++) { /* Copy file name body */
+ c = dir[i];
+ if (c == ' ') break;
+ if (c == 0x05) c = 0xE5;
+ *p++ = c;
+ }
+ if (dir[8] != ' ') { /* Copy file name extension */
+ *p++ = '.';
+ for (i = 8; i < 11; i++) {
+ c = dir[i];
+ if (c == ' ') break;
+ *p++ = c;
+ }
+ }
+ fno->fattrib = dir[DIR_Attr]; /* Attribute */
+ fno->fsize = LD_DWORD(dir+DIR_FileSize); /* Size */
+ fno->fdate = LD_WORD(dir+DIR_WrtDate); /* Date */
+ fno->ftime = LD_WORD(dir+DIR_WrtTime); /* Time */
+ }
+ *p = 0;
+}
+#endif /* _USE_DIR */
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Follow a file path */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */
+ DIR *dj, /* Directory object to return last directory and found object */
+ const char *path /* Full-path string to find a file or directory */
+)
+{
+ FRESULT res;
+ BYTE *dir;
+
+
+ if (*path == '/') path++; /* Strip heading separator */
+ dj->sclust = 0; /* Set start directory (always root dir) */
+
+ if ((BYTE)*path < ' ') { /* Null path means the root directory */
+ res = dir_rewind(dj);
+ FatFs->buf[0] = 0;
+
+ } else { /* Follow path */
+ for (;;) {
+ res = create_name(dj, &path); /* Get a segment */
+ if (res != FR_OK) break;
+ res = dir_find(dj); /* Find it */
+ if (res != FR_OK) { /* Could not find the object */
+ if (res == FR_NO_FILE && !*(dj->fn+11))
+ res = FR_NO_PATH;
+ break;
+ }
+ if (*(dj->fn+11)) break; /* Last segment match. Function completed. */
+ dir = FatFs->buf; /* There is next segment. Follow the sub directory */
+ if (!(dir[DIR_Attr] & AM_DIR)) { /* Cannot follow because it is a file */
+ res = FR_NO_PATH; break;
+ }
+ dj->sclust =
+#if _FS_FAT32
+ ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) |
+#endif
+ LD_WORD(dir+DIR_FstClusLO);
+ }
+ }
+
+ return res;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Check a sector if it is an FAT boot record */
+/*-----------------------------------------------------------------------*/
+
+static
+BYTE check_fs ( /* 0:The FAT boot record, 1:Valid boot record but not an FAT, 2:Not a boot record, 3:Error */
+ BYTE *buf, /* Working buffer */
+ DWORD sect /* Sector# (lba) to check if it is an FAT boot record or not */
+)
+{
+ if (disk_readp(buf, sect, 510, 2)) /* Read the boot sector */
+ return 3;
+ if (LD_WORD(buf) != 0xAA55) /* Check record signature */
+ return 2;
+
+ if (!disk_readp(buf, sect, BS_FilSysType, 2) && LD_WORD(buf) == 0x4146) /* Check FAT12/16 */
+ return 0;
+#if _FS_FAT32
+ if (!disk_readp(buf, sect, BS_FilSysType32, 2) && LD_WORD(buf) == 0x4146) /* Check FAT32 */
+ return 0;
+#endif
+ return 1;
+}
+
+
+
+
+/*--------------------------------------------------------------------------
+
+ Public Functions
+
+--------------------------------------------------------------------------*/
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Mount/Unmount a Locical Drive */
+/*-----------------------------------------------------------------------*/
+
+FRESULT pf_mount (
+ FATFS *fs /* Pointer to new file system object (NULL: Unmount) */
+)
+{
+ BYTE fmt, buf[36];
+ DWORD bsect, fsize, tsect, mclst;
+
+
+ FatFs = 0;
+ if (!fs) return FR_OK; /* Unregister fs object */
+
+ if (disk_initialize() & STA_NOINIT) /* Check if the drive is ready or not */
+ return FR_NOT_READY;
+
+ /* Search FAT partition on the drive */
+ bsect = 0;
+ fmt = check_fs(buf, bsect); /* Check sector 0 as an SFD format */
+ if (fmt == 1) { /* Not an FAT boot record, it may be FDISK format */
+ /* Check a partition listed in top of the partition table */
+ if (disk_readp(buf, bsect, MBR_Table, 16)) { /* 1st partition entry */
+ fmt = 3;
+ } else {
+ if (buf[4]) { /* Is the partition existing? */
+ bsect = LD_DWORD(&buf[8]); /* Partition offset in LBA */
+ fmt = check_fs(buf, bsect); /* Check the partition */
+ }
+ }
+ }
+ if (fmt == 3) return FR_DISK_ERR;
+ if (fmt) return FR_NO_FILESYSTEM; /* No valid FAT patition is found */
+
+ /* Initialize the file system object */
+ if (disk_readp(buf, bsect, 13, sizeof(buf))) return FR_DISK_ERR;
+
+ fsize = LD_WORD(buf+BPB_FATSz16-13); /* Number of sectors per FAT */
+ if (!fsize) fsize = LD_DWORD(buf+BPB_FATSz32-13);
+
+ fsize *= buf[BPB_NumFATs-13]; /* Number of sectors in FAT area */
+ fs->fatbase = bsect + LD_WORD(buf+BPB_RsvdSecCnt-13); /* FAT start sector (lba) */
+ fs->csize = buf[BPB_SecPerClus-13]; /* Number of sectors per cluster */
+ fs->n_rootdir = LD_WORD(buf+BPB_RootEntCnt-13); /* Nmuber of root directory entries */
+ tsect = LD_WORD(buf+BPB_TotSec16-13); /* Number of sectors on the file system */
+ if (!tsect) tsect = LD_DWORD(buf+BPB_TotSec32-13);
+ mclst = (tsect /* Last cluster# + 1 */
+ - LD_WORD(buf+BPB_RsvdSecCnt-13) - fsize - fs->n_rootdir / 16
+ ) / fs->csize + 2;
+ fs->max_clust = (CLUST)mclst;
+
+ fmt = FS_FAT12; /* Determine the FAT sub type */
+ if (mclst >= 0xFF7) fmt = FS_FAT16; /* Number of clusters >= 0xFF5 */
+ if (mclst >= 0xFFF7) /* Number of clusters >= 0xFFF5 */
+#if _FS_FAT32
+ fmt = FS_FAT32;
+#else
+ return FR_NO_FILESYSTEM;
+#endif
+
+ fs->fs_type = fmt; /* FAT sub-type */
+#if _FS_FAT32
+ if (fmt == FS_FAT32)
+ fs->dirbase = LD_DWORD(buf+(BPB_RootClus-13)); /* Root directory start cluster */
+ else
+#endif
+ fs->dirbase = fs->fatbase + fsize; /* Root directory start sector (lba) */
+ fs->database = fs->fatbase + fsize + fs->n_rootdir / 16; /* Data start sector (lba) */
+
+ fs->flag = 0;
+ FatFs = fs;
+
+ return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Open or Create a File */
+/*-----------------------------------------------------------------------*/
+
+FRESULT pf_open (
+ const char *path /* Pointer to the file name */
+)
+{
+ FRESULT res;
+ DIR dj;
+ BYTE sp[12], dir[32];
+ FATFS *fs = FatFs;
+
+
+ if (!fs) /* Check file system */
+ return FR_NOT_ENABLED;
+
+ fs->flag = 0;
+ fs->buf = dir;
+ dj.fn = sp;
+ res = follow_path(&dj, path); /* Follow the file path */
+ if (res != FR_OK) return res; /* Follow failed */
+ if (!dir[0] || (dir[DIR_Attr] & AM_DIR)) /* It is a directory */
+ return FR_NO_FILE;
+
+ fs->org_clust = /* File start cluster */
+#if _FS_FAT32
+ ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) |
+#endif
+ LD_WORD(dir+DIR_FstClusLO);
+ fs->fsize = LD_DWORD(dir+DIR_FileSize); /* File size */
+ fs->fptr = 0; /* File pointer */
+ fs->flag = FA_READ;
+
+ return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read File */
+/*-----------------------------------------------------------------------*/
+
+FRESULT pf_read (
+ void* dest, /* Pointer to the destination object */
+ WORD btr, /* Number of bytes to read (bit15:destination) */
+ WORD* br /* Pointer to number of bytes read */
+)
+{
+ DRESULT dr;
+ CLUST clst;
+ DWORD sect, remain;
+ WORD rcnt;
+ BYTE *rbuff = dest;
+ FATFS *fs = FatFs;
+
+
+ *br = 0;
+ if (!fs) return FR_NOT_ENABLED; /* Check file system */
+ if (!(fs->flag & FA_READ))
+ return FR_INVALID_OBJECT;
+
+ remain = fs->fsize - fs->fptr;
+ if (btr > remain) btr = (UINT)remain; /* Truncate btr by remaining bytes */
+
+ for ( ; btr; /* Repeat until all data transferred */
+ rbuff += rcnt, fs->fptr += rcnt, *br += rcnt, btr -= rcnt) {
+ if ((fs->fptr % 512) == 0) { /* On the sector boundary? */
+ if ((fs->fptr / 512 % fs->csize) == 0) { /* On the cluster boundary? */
+ clst = (fs->fptr == 0) ? /* On the top of the file? */
+ fs->org_clust : get_fat(fs->curr_clust);
+ if (clst <= 1) {
+ fs->flag = 0; return FR_DISK_ERR;
+ }
+ fs->curr_clust = clst; /* Update current cluster */
+ fs->csect = 0; /* Reset sector offset in the cluster */
+ }
+ sect = clust2sect(fs->curr_clust); /* Get current sector */
+ if (!sect) {
+ fs->flag = 0; return FR_DISK_ERR;
+ }
+ sect += fs->csect;
+ fs->dsect = sect;
+ fs->csect++; /* Next sector address in the cluster */
+ }
+ rcnt = 512 - ((WORD)fs->fptr % 512); /* Get partial sector data from sector buffer */
+ if (rcnt > btr) rcnt = btr;
+ if (fs->flag & FA_STREAM) {
+ dr = disk_readp(dest, fs->dsect, (WORD)(fs->fptr % 512), (WORD)(rcnt | 0x8000));
+ } else {
+ dr = disk_readp(rbuff, fs->dsect, (WORD)(fs->fptr % 512), rcnt);
+ }
+ if (dr) {
+ fs->flag = 0;
+ return (dr == RES_STRERR) ? FR_STREAM_ERR : FR_DISK_ERR;
+ }
+ }
+
+ return FR_OK;
+}
+
+
+
+
+#if _USE_LSEEK
+/*-----------------------------------------------------------------------*/
+/* Seek File R/W Pointer */
+/*-----------------------------------------------------------------------*/
+
+FRESULT pf_lseek (
+ DWORD ofs /* File pointer from top of file */
+)
+{
+ CLUST clst;
+ DWORD bcs, nsect, ifptr;
+ FATFS *fs = FatFs;
+
+
+ if (!fs) return FR_NOT_ENABLED; /* Check file system */
+ if (!(fs->flag & FA_READ))
+ return FR_INVALID_OBJECT;
+
+ if (ofs > fs->fsize) ofs = fs->fsize; /* Clip offset with the file size */
+ ifptr = fs->fptr;
+ fs->fptr = 0;
+ if (ofs > 0) {
+ bcs = (DWORD)fs->csize * 512; /* Cluster size (byte) */
+ if (ifptr > 0 &&
+ (ofs - 1) / bcs >= (ifptr - 1) / bcs) { /* When seek to same or following cluster, */
+ fs->fptr = (ifptr - 1) & ~(bcs - 1); /* start from the current cluster */
+ ofs -= fs->fptr;
+ clst = fs->curr_clust;
+ } else { /* When seek to back cluster, */
+ clst = fs->org_clust; /* start from the first cluster */
+ fs->curr_clust = clst;
+ }
+ while (ofs > bcs) { /* Cluster following loop */
+ clst = get_fat(clst); /* Follow cluster chain if not in write mode */
+ if (clst <= 1 || clst >= fs->max_clust) {
+ fs->flag = 0; return FR_DISK_ERR;
+ }
+ fs->curr_clust = clst;
+ fs->fptr += bcs;
+ ofs -= bcs;
+ }
+ fs->fptr += ofs;
+ fs->csect = (BYTE)(ofs / 512) + 1; /* Sector offset in the cluster */
+ nsect = clust2sect(clst); /* Current sector */
+ if (!nsect) {
+ fs->flag = 0; return FR_DISK_ERR;
+ }
+ fs->dsect = nsect + fs->csect - 1;
+ }
+
+ return FR_OK;
+}
+#endif
+
+
+#if _USE_DIR
+/*-----------------------------------------------------------------------*/
+/* Create a Directroy Object */
+/*-----------------------------------------------------------------------*/
+
+FRESULT pf_opendir (
+ DIR *dj, /* Pointer to directory object to create */
+ const char *path /* Pointer to the directory path */
+)
+{
+ FRESULT res;
+ BYTE sp[12], dir[32];
+ FATFS *fs = FatFs;
+
+
+ if (!fs) { /* Check file system */
+ res = FR_NOT_ENABLED;
+ } else {
+ fs->buf = dir;
+ dj->fn = sp;
+ res = follow_path(dj, path); /* Follow the path to the directory */
+ if (res == FR_OK) { /* Follow completed */
+ if (dir[0]) { /* It is not the root dir */
+ if (dir[DIR_Attr] & AM_DIR) { /* The object is a directory */
+ dj->sclust =
+#if _FS_FAT32
+ ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) |
+#endif
+ LD_WORD(dir+DIR_FstClusLO);
+ } else { /* The object is not a directory */
+ res = FR_NO_PATH;
+ }
+ }
+ if (res == FR_OK) {
+ res = dir_rewind(dj); /* Rewind dir */
+ }
+ }
+ if (res == FR_NO_FILE) res = FR_NO_PATH;
+ }
+
+ return res;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read Directory Entry in Sequense */
+/*-----------------------------------------------------------------------*/
+
+FRESULT pf_readdir (
+ DIR *dj, /* Pointer to the open directory object */
+ FILINFO *fno /* Pointer to file information to return */
+)
+{
+ FRESULT res;
+ BYTE sp[12], dir[32];
+ FATFS *fs = FatFs;
+
+
+ if (!fs) { /* Check file system */
+ res = FR_NOT_ENABLED;
+ } else {
+ fs->buf = dir;
+ dj->fn = sp;
+ if (!fno) {
+ res = dir_rewind(dj);
+ } else {
+ res = dir_read(dj);
+ if (res == FR_NO_FILE) {
+ dj->sect = 0;
+ res = FR_OK;
+ }
+ if (res == FR_OK) { /* A valid entry is found */
+ get_fileinfo(dj, fno); /* Get the object information */
+ res = dir_next(dj); /* Increment index for next */
+ if (res == FR_NO_FILE) {
+ dj->sect = 0;
+ res = FR_OK;
+ }
+ }
+ }
+ }
+
+ return res;
+}
+
+#endif /* _FS_DIR */
+
diff --git a/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/pff.h b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/pff.h new file mode 100644 index 000000000..b24339c0c --- /dev/null +++ b/Projects/Incomplete/StandaloneProgrammer/Lib/PetiteFATFs/pff.h @@ -0,0 +1,237 @@ +/*---------------------------------------------------------------------------/
+/ Petit FatFs - FAT file system module include file R0.01a (C)ChaN, 2009
+/----------------------------------------------------------------------------/
+/ Petit FatFs module is an open source software to implement FAT file system to
+/ small embedded systems. This is a free software and is opened for education,
+/ research and commercial developments under license policy of following trems.
+/
+/ Copyright (C) 2009, ChaN, all right reserved.
+/
+/ * The Petit FatFs module is a free software and there is NO WARRANTY.
+/ * No restriction on use. You can use, modify and redistribute it for
+/ personal, non-profit or commercial use UNDER YOUR RESPONSIBILITY.
+/ * Redistributions of source code must retain the above copyright notice.
+/----------------------------------------------------------------------------*/
+
+#include "integer.h"
+
+/*---------------------------------------------------------------------------/
+/ Petit FatFs Configuration Options
+/
+/ CAUTION! Do not forget to make clean the project after any changes to
+/ the configuration options.
+/
+/----------------------------------------------------------------------------*/
+#ifndef _FATFS
+#define _FATFS
+
+#define _WORD_ACCESS 0
+/* The _WORD_ACCESS option defines which access method is used to the word
+/ data in the FAT structure.
+/
+/ 0: Byte-by-byte access. Always compatible with all platforms.
+/ 1: Word access. Do not choose this unless following condition is met.
+/
+/ When the byte order on the memory is big-endian or address miss-aligned
+/ word access results incorrect behavior, the _WORD_ACCESS must be set to 0.
+/ If it is not the case, the value can also be set to 1 to improve the
+/ performance and code efficiency. */
+
+
+#define _USE_DIR 0
+/* To enable pf_opendir and pf_readdir function, set _USE_DIR to 1. */
+
+
+#define _USE_LSEEK 0
+/* To enable pf_lseek function, set _USE_LSEEK to 1. */
+
+
+#define _FS_FAT32 0
+/* To enable FAT32 support, set _FS_FAT32 to 1. */
+
+
+/* End of configuration options. Do not change followings without care. */
+/*--------------------------------------------------------------------------*/
+
+
+#if _FS_FAT32
+#define CLUST DWORD
+#else
+#define CLUST WORD
+#endif
+
+
+/* File system object structure */
+
+typedef struct _FATFS_ {
+ BYTE fs_type; /* FAT sub type */
+ BYTE csize; /* Number of sectors per cluster */
+ BYTE flag; /* File status flags */
+ BYTE csect; /* File sector address in the cluster */
+ WORD n_rootdir; /* Number of root directory entries (0 on FAT32) */
+ BYTE* buf; /* Pointer to the disk access buffer */
+ CLUST max_clust; /* Maximum cluster# + 1. Number of clusters is max_clust - 2 */
+ DWORD fatbase; /* FAT start sector */
+ DWORD dirbase; /* Root directory start sector (Cluster# on FAT32) */
+ DWORD database; /* Data start sector */
+ DWORD fptr; /* File R/W pointer */
+ DWORD fsize; /* File size */
+ CLUST org_clust; /* File start cluster */
+ CLUST curr_clust; /* File current cluster */
+ DWORD dsect; /* File current data sector */
+} FATFS;
+
+
+
+/* Directory object structure */
+
+typedef struct _DIR_ {
+ WORD index; /* Current read/write index number */
+ BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
+ CLUST sclust; /* Table start cluster (0:Static table) */
+ CLUST clust; /* Current cluster */
+ DWORD sect; /* Current sector */
+} DIR;
+
+
+
+/* File status structure */
+
+typedef struct _FILINFO_ {
+ DWORD fsize; /* File size */
+ WORD fdate; /* Last modified date */
+ WORD ftime; /* Last modified time */
+ BYTE fattrib; /* Attribute */
+ char fname[13]; /* File name */
+} FILINFO;
+
+
+
+/* File function return code (FRESULT) */
+
+typedef enum {
+ FR_OK = 0, /* 0 */
+ FR_DISK_ERR, /* 1 */
+ FR_NOT_READY, /* 2 */
+ FR_NO_FILE, /* 3 */
+ FR_NO_PATH, /* 4 */
+ FR_INVALID_NAME, /* 5 */
+ FR_STREAM_ERR, /* 6 */
+ FR_INVALID_OBJECT, /* 7 */
+ FR_NOT_ENABLED, /* 8 */
+ FR_NO_FILESYSTEM /* 9 */
+} FRESULT;
+
+
+
+/*--------------------------------------------------------------*/
+/* Petit FatFs module application interface */
+
+FRESULT pf_mount (FATFS*); /* Mount/Unmount a logical drive */
+FRESULT pf_open (const char*); /* Open a file */
+FRESULT pf_read (void*, WORD, WORD*); /* Read data from a file */
+FRESULT pf_lseek (DWORD); /* Move file pointer of a file object */
+FRESULT pf_opendir (DIR*, const char*); /* Open an existing directory */
+FRESULT pf_readdir (DIR*, FILINFO*); /* Read a directory item */
+
+
+
+/*--------------------------------------------------------------*/
+/* Flags and offset address */
+
+/* File status flag (FATFS.flag) */
+
+#define FA_READ 0x01
+#define FA_STREAM 0x40
+#define FA__ERROR 0x80
+
+
+/* FAT sub type (FATFS.fs_type) */
+
+#define FS_FAT12 1
+#define FS_FAT16 2
+#define FS_FAT32 3
+
+
+/* File attribute bits for directory entry */
+
+#define AM_RDO 0x01 /* Read only */
+#define AM_HID 0x02 /* Hidden */
+#define AM_SYS 0x04 /* System */
+#define AM_VOL 0x08 /* Volume label */
+#define AM_LFN 0x0F /* LFN entry */
+#define AM_DIR 0x10 /* Directory */
+#define AM_ARC 0x20 /* Archive */
+#define AM_MASK 0x3F /* Mask of defined bits */
+
+
+/* FatFs refers the members in the FAT structures with byte offset instead
+/ of structure member because there are incompatibility of the packing option
+/ between various compilers. */
+
+#define BS_jmpBoot 0
+#define BS_OEMName 3
+#define BPB_BytsPerSec 11
+#define BPB_SecPerClus 13
+#define BPB_RsvdSecCnt 14
+#define BPB_NumFATs 16
+#define BPB_RootEntCnt 17
+#define BPB_TotSec16 19
+#define BPB_Media 21
+#define BPB_FATSz16 22
+#define BPB_SecPerTrk 24
+#define BPB_NumHeads 26
+#define BPB_HiddSec 28
+#define BPB_TotSec32 32
+#define BS_55AA 510
+
+#define BS_DrvNum 36
+#define BS_BootSig 38
+#define BS_VolID 39
+#define BS_VolLab 43
+#define BS_FilSysType 54
+
+#define BPB_FATSz32 36
+#define BPB_ExtFlags 40
+#define BPB_FSVer 42
+#define BPB_RootClus 44
+#define BPB_FSInfo 48
+#define BPB_BkBootSec 50
+#define BS_DrvNum32 64
+#define BS_BootSig32 66
+#define BS_VolID32 67
+#define BS_VolLab32 71
+#define BS_FilSysType32 82
+
+#define MBR_Table 446
+
+#define DIR_Name 0
+#define DIR_Attr 11
+#define DIR_NTres 12
+#define DIR_CrtTime 14
+#define DIR_CrtDate 16
+#define DIR_FstClusHI 20
+#define DIR_WrtTime 22
+#define DIR_WrtDate 24
+#define DIR_FstClusLO 26
+#define DIR_FileSize 28
+
+
+
+/*--------------------------------*/
+/* Multi-byte word access macros */
+
+#if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
+#define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
+#define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
+#define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
+#define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
+#else /* Use byte-by-byte access to the FAT structure */
+#define LD_WORD(ptr) (WORD)(((WORD)*(BYTE*)((ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
+#define LD_DWORD(ptr) (DWORD)(((DWORD)*(BYTE*)((ptr)+3)<<24)|((DWORD)*(BYTE*)((ptr)+2)<<16)|((WORD)*(BYTE*)((ptr)+1)<<8)|*(BYTE*)(ptr))
+#define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8)
+#define ST_DWORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8); *(BYTE*)((ptr)+2)=(BYTE)((DWORD)(val)>>16); *(BYTE*)((ptr)+3)=(BYTE)((DWORD)(val)>>24)
+#endif
+
+
+#endif /* _FATFS */
diff --git a/Projects/Incomplete/StandaloneProgrammer/Lib/ProgrammerConfig.c b/Projects/Incomplete/StandaloneProgrammer/Lib/ProgrammerConfig.c new file mode 100644 index 000000000..2f3d95ba6 --- /dev/null +++ b/Projects/Incomplete/StandaloneProgrammer/Lib/ProgrammerConfig.c @@ -0,0 +1,77 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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 disclaim 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.
+*/
+
+#include "ProgrammerConfig.h"
+
+struct
+{
+ uint16_t SigBytes[4];
+ bool EnforceSigBytes;
+
+ uint32_t ProgrammingSpeed;
+} ProgrammerConfig;
+
+bool ProgrammerConfig_ProcessConfiguration(void)
+{
+ memset(&ProgrammerConfig, sizeof(ProgrammerConfig), 0x00);
+
+ if (!(pf_open("CONF.txt") == FR_OK))
+ {
+ fputs(" >> ERROR: CONF.txt File Not Found.\r\n", &USBSerialStream);
+ return false;
+ }
+
+ char LineBuff[100];
+ char* CurrentLine;
+
+ do
+ {
+ CurrentLine = fgets(LineBuff, sizeof(LineBuff), &DataflashStream);
+
+ if (CurrentLine)
+ {
+ sscanf(CurrentLine, "SIGNATURE = %02x %02x %02x %02x", &ProgrammerConfig.SigBytes[0],
+ &ProgrammerConfig.SigBytes[1],
+ &ProgrammerConfig.SigBytes[2],
+ &ProgrammerConfig.SigBytes[3]);
+
+ sscanf(CurrentLine, "SPEED = %lu", &ProgrammerConfig.ProgrammingSpeed);
+ }
+ } while (CurrentLine);
+
+ fprintf(&USBSerialStream, " >> *** Configuration: ***\r\n");
+ fprintf(&USBSerialStream, " >> Device Signature: 0x%02x 0x%02x 0x%02x 0x%02x\r\n", ProgrammerConfig.SigBytes[0],
+ ProgrammerConfig.SigBytes[1],
+ ProgrammerConfig.SigBytes[2],
+ ProgrammerConfig.SigBytes[3]);
+ fprintf(&USBSerialStream, " >> Programming Speed: %lu Hz\r\n", ProgrammerConfig.ProgrammingSpeed);
+
+ return true;
+}
diff --git a/Projects/Incomplete/StandaloneProgrammer/Lib/ProgrammerConfig.h b/Projects/Incomplete/StandaloneProgrammer/Lib/ProgrammerConfig.h new file mode 100644 index 000000000..806709749 --- /dev/null +++ b/Projects/Incomplete/StandaloneProgrammer/Lib/ProgrammerConfig.h @@ -0,0 +1,44 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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 disclaim 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.
+*/
+
+#ifndef _PROGRAMMER_CONFIG_H_
+#define _PROGRAMMER_CONFIG_H_
+
+ /* Includes: */
+ #include <stdio.h>
+ #include <string.h>
+ #include <stdbool.h>
+
+ #include "../StandaloneProgrammer.h"
+
+ /* Function Prototypes: */
+ bool ProgrammerConfig_ProcessConfiguration(void);
+
+#endif
diff --git a/Projects/Incomplete/StandaloneProgrammer/Lib/SCSI.c b/Projects/Incomplete/StandaloneProgrammer/Lib/SCSI.c new file mode 100644 index 000000000..6a978718f --- /dev/null +++ b/Projects/Incomplete/StandaloneProgrammer/Lib/SCSI.c @@ -0,0 +1,281 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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 disclaim 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.
+ */
+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.
+ */
+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
+ */
+bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
+{
+ /* Set initial sense data, before the requested command is processed */
+ SCSI_SET_SENSE(SCSI_SENSE_KEY_GOOD,
+ SCSI_ASENSE_NO_ADDITIONAL_INFORMATION,
+ SCSI_ASENSEQ_NO_QUALIFIER);
+
+ /* Run the appropriate SCSI command hander function based on the passed command */
+ switch (MSInterfaceInfo->State.CommandBlock.SCSICommandData[0])
+ {
+ case SCSI_CMD_INQUIRY:
+ SCSI_Command_Inquiry(MSInterfaceInfo);
+ break;
+ case SCSI_CMD_REQUEST_SENSE:
+ SCSI_Command_Request_Sense(MSInterfaceInfo);
+ break;
+ case SCSI_CMD_READ_CAPACITY_10:
+ SCSI_Command_Read_Capacity_10(MSInterfaceInfo);
+ break;
+ case SCSI_CMD_SEND_DIAGNOSTIC:
+ SCSI_Command_Send_Diagnostic(MSInterfaceInfo);
+ break;
+ case SCSI_CMD_WRITE_10:
+ SCSI_Command_ReadWrite_10(MSInterfaceInfo, DATA_WRITE);
+ break;
+ case SCSI_CMD_READ_10:
+ SCSI_Command_ReadWrite_10(MSInterfaceInfo, DATA_READ);
+ break;
+ 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 */
+ 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;
+ }
+
+ return (SenseData.SenseKey == SCSI_SENSE_KEY_GOOD);
+}
+
+/** 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
+ */
+static void SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
+{
+ uint16_t AllocationLength = (((uint16_t)MSInterfaceInfo->State.CommandBlock.SCSICommandData[3] << 8) |
+ MSInterfaceInfo->State.CommandBlock.SCSICommandData[4]);
+ uint16_t BytesTransferred = (AllocationLength < sizeof(InquiryData))? 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;
+ }
+
+ Endpoint_Write_Stream_LE(&InquiryData, BytesTransferred, NO_STREAM_CALLBACK);
+
+ uint8_t PadBytes[AllocationLength - BytesTransferred];
+
+ /* Pad out remaining bytes with 0x00 */
+ Endpoint_Write_Stream_LE(&PadBytes, (AllocationLength - BytesTransferred), 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;
+}
+
+/** 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
+ */
+static void SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
+{
+ 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);
+ Endpoint_Write_Stream_LE(&PadBytes, (AllocationLength - BytesTransferred), NO_STREAM_CALLBACK);
+ Endpoint_ClearIN();
+
+ /* Succeed the command and update the bytes transferred counter */
+ MSInterfaceInfo->State.CommandBlock.DataTransferLength -= BytesTransferred;
+}
+
+/** 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
+ */
+static void SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
+{
+ uint32_t LastBlockAddressInLUN = (VIRTUAL_MEMORY_BLOCKS - 1);
+ uint32_t MediaBlockSize = VIRTUAL_MEMORY_BLOCK_SIZE;
+
+ 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;
+}
+
+/** 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
+ */
+static void SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* 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;
+ }
+
+ /* 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;
+ }
+
+ /* Succeed the command and update the bytes transferred counter */
+ MSInterfaceInfo->State.CommandBlock.DataTransferLength = 0;
+}
+
+/** 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)
+ */
+static void SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* MSInterfaceInfo, const bool IsDataRead)
+{
+ uint32_t BlockAddress;
+ uint16_t TotalBlocks;
+
+ /* 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(*(uint32_t*)&MSInterfaceInfo->State.CommandBlock.SCSICommandData[7]);
+
+ /* Check if the block address is outside the maximum allowable value for the LUN */
+ if (BlockAddress >= VIRTUAL_MEMORY_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;
+ }
+
+ /* 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);
+}
diff --git a/Projects/Incomplete/StandaloneProgrammer/Lib/SCSI.h b/Projects/Incomplete/StandaloneProgrammer/Lib/SCSI.h new file mode 100644 index 000000000..91ba77dd5 --- /dev/null +++ b/Projects/Incomplete/StandaloneProgrammer/Lib/SCSI.h @@ -0,0 +1,146 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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 disclaim 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 <LUFA/Drivers/USB/Class/MassStorage.h>
+
+ #include "Descriptors.h"
+ #include "DataflashManager.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) MACROS{ SenseData.SenseKey = key; \
+ SenseData.AdditionalSenseCode = acode; \
+ SenseData.AdditionalSenseQualifier = aqual; }MACROE
+
+ /** Macro for the SCSI_Command_ReadWrite_10() function, to indicate that data is to be read from the storage medium. */
+ #define DATA_READ true
+
+ /** Macro for the 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
+
+ /* Type Defines: */
+ /** Type define for a SCSI response structure to a SCSI INQUIRY command. For details of the
+ * structure contents, refer to the SCSI specifications.
+ */
+ typedef struct
+ {
+ unsigned char DeviceType : 5;
+ unsigned char PeripheralQualifier : 3;
+
+ unsigned char _RESERVED1 : 7;
+ unsigned char Removable : 1;
+
+ uint8_t Version;
+
+ unsigned char ResponseDataFormat : 4;
+ unsigned char _RESERVED2 : 1;
+ unsigned char NormACA : 1;
+ unsigned char TrmTsk : 1;
+ unsigned char AERC : 1;
+
+ uint8_t AdditionalLength;
+ uint8_t _RESERVED3[2];
+
+ unsigned char SoftReset : 1;
+ unsigned char CmdQue : 1;
+ unsigned char _RESERVED4 : 1;
+ unsigned char Linked : 1;
+ unsigned char Sync : 1;
+ unsigned char WideBus16Bit : 1;
+ unsigned char WideBus32Bit : 1;
+ unsigned char RelAddr : 1;
+
+ uint8_t VendorID[8];
+ uint8_t ProductID[16];
+ uint8_t RevisionID[4];
+ } SCSI_Inquiry_Response_t;
+
+ /** Type define for a SCSI sense structure to a SCSI REQUEST SENSE command. For details of the
+ * structure contents, refer to the SCSI specifications.
+ */
+ typedef struct
+ {
+ uint8_t ResponseCode;
+
+ uint8_t SegmentNumber;
+
+ unsigned char SenseKey : 4;
+ unsigned char _RESERVED1 : 1;
+ unsigned char ILI : 1;
+ unsigned char EOM : 1;
+ unsigned char FileMark : 1;
+
+ uint8_t Information[4];
+ uint8_t AdditionalLength;
+ uint8_t CmdSpecificInformation[4];
+ uint8_t AdditionalSenseCode;
+ uint8_t AdditionalSenseQualifier;
+ uint8_t FieldReplaceableUnitCode;
+ uint8_t SenseKeySpecific[3];
+ } SCSI_Request_Sense_Response_t;
+
+ /* Function Prototypes: */
+ bool SCSI_DecodeSCSICommand(USB_ClassInfo_MS_Device_t* MSInterfaceInfo);
+
+ #if defined(INCLUDE_FROM_SCSI_C)
+ static void SCSI_Command_Inquiry(USB_ClassInfo_MS_Device_t* MSInterfaceInfo);
+ static void SCSI_Command_Request_Sense(USB_ClassInfo_MS_Device_t* MSInterfaceInfo);
+ static void SCSI_Command_Read_Capacity_10(USB_ClassInfo_MS_Device_t* MSInterfaceInfo);
+ static void SCSI_Command_Send_Diagnostic(USB_ClassInfo_MS_Device_t* MSInterfaceInfo);
+ static void SCSI_Command_ReadWrite_10(USB_ClassInfo_MS_Device_t* MSInterfaceInfo, const bool IsDataRead);
+ #endif
+
+#endif
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