Spell check all source files once again to find any typos.
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116 changed files with 600 additions and 600 deletions
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@ -30,7 +30,7 @@
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/** \file
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*
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* Functions to manage the physical dataflash media, including reading and writing of
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* Functions to manage the physical Dataflash media, including reading and writing of
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* blocks of data. These functions are called by the SCSI layer when data must be stored
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* or retrieved to/from the physical storage media. If a different media is used (such
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* as a SD card or EEPROM), functions similar to these will need to be generated.
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@ -40,9 +40,9 @@
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#include "DataflashManager.h"
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#if defined(USB_CAN_BE_DEVICE)
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/** Writes blocks (OS blocks, not Dataflash pages) to the storage medium, the board dataflash IC(s), from
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/** Writes blocks (OS blocks, not Dataflash pages) to the storage medium, the board Dataflash IC(s), from
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* the pre-selected data OUT endpoint. This routine reads in OS sized blocks from the endpoint and writes
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* them to the dataflash in Dataflash page sized blocks.
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* them to the Dataflash in Dataflash page sized blocks.
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*
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* \param[in] MSInterfaceInfo Pointer to a structure containing a Mass Storage Class configuration and state
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* \param[in] BlockAddress Data block starting address for the write sequence
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@ -61,13 +61,13 @@ void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceIn
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Dataflash_SelectChipFromPage(CurrDFPage);
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#if (DATAFLASH_PAGE_SIZE > VIRTUAL_MEMORY_BLOCK_SIZE)
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/* Copy selected dataflash's current page contents to the dataflash buffer */
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/* Copy selected dataflash's current page contents to the Dataflash buffer */
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Dataflash_SendByte(DF_CMD_MAINMEMTOBUFF1);
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Dataflash_SendAddressBytes(CurrDFPage, 0);
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Dataflash_WaitWhileBusy();
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#endif
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/* Send the dataflash buffer write command */
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/* Send the Dataflash buffer write command */
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Dataflash_SendByte(DF_CMD_BUFF1WRITE);
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Dataflash_SendAddressBytes(0, CurrDFPageByte);
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@ -79,7 +79,7 @@ void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceIn
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{
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uint8_t BytesInBlockDiv16 = 0;
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/* Write an endpoint packet sized data block to the dataflash */
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/* Write an endpoint packet sized data block to the Dataflash */
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while (BytesInBlockDiv16 < (VIRTUAL_MEMORY_BLOCK_SIZE >> 4))
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{
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/* Check if the endpoint is currently empty */
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@ -93,30 +93,30 @@ void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceIn
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return;
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}
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/* Check if end of dataflash page reached */
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/* Check if end of Dataflash page reached */
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if (CurrDFPageByteDiv16 == (DATAFLASH_PAGE_SIZE >> 4))
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{
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/* Write the dataflash buffer contents back to the dataflash page */
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/* Write the Dataflash buffer contents back to the Dataflash page */
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Dataflash_WaitWhileBusy();
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Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2TOMAINMEMWITHERASE : DF_CMD_BUFF1TOMAINMEMWITHERASE);
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Dataflash_SendAddressBytes(CurrDFPage, 0);
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/* Reset the dataflash buffer counter, increment the page counter */
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/* Reset the Dataflash buffer counter, increment the page counter */
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CurrDFPageByteDiv16 = 0;
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CurrDFPage++;
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/* Once all the dataflash ICs have had their first buffers filled, switch buffers to maintain throughput */
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/* Once all the Dataflash ICs have had their first buffers filled, switch buffers to maintain throughput */
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if (Dataflash_GetSelectedChip() == DATAFLASH_CHIP_MASK(DATAFLASH_TOTALCHIPS))
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UsingSecondBuffer = !(UsingSecondBuffer);
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/* Select the next dataflash chip based on the new dataflash page index */
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/* Select the next Dataflash chip based on the new Dataflash page index */
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Dataflash_SelectChipFromPage(CurrDFPage);
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#if (DATAFLASH_PAGE_SIZE > VIRTUAL_MEMORY_BLOCK_SIZE)
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/* If less than one dataflash page remaining, copy over the existing page to preserve trailing data */
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/* If less than one Dataflash page remaining, copy over the existing page to preserve trailing data */
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if ((TotalBlocks * (VIRTUAL_MEMORY_BLOCK_SIZE >> 4)) < (DATAFLASH_PAGE_SIZE >> 4))
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{
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/* Copy selected dataflash's current page contents to the dataflash buffer */
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/* Copy selected dataflash's current page contents to the Dataflash buffer */
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Dataflash_WaitWhileBusy();
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Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_MAINMEMTOBUFF2 : DF_CMD_MAINMEMTOBUFF1);
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Dataflash_SendAddressBytes(CurrDFPage, 0);
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@ -124,12 +124,12 @@ void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceIn
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}
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#endif
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/* Send the dataflash buffer write command */
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/* Send the Dataflash buffer write command */
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Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2WRITE : DF_CMD_BUFF1WRITE);
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Dataflash_SendAddressBytes(0, 0);
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}
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/* Write one 16-byte chunk of data to the dataflash */
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/* Write one 16-byte chunk of data to the Dataflash */
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Dataflash_SendByte(Endpoint_Read_Byte());
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Dataflash_SendByte(Endpoint_Read_Byte());
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Dataflash_SendByte(Endpoint_Read_Byte());
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Dataflash_SendByte(Endpoint_Read_Byte());
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Dataflash_SendByte(Endpoint_Read_Byte());
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/* Increment the dataflash page 16 byte block counter */
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/* Increment the Dataflash page 16 byte block counter */
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CurrDFPageByteDiv16++;
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/* Increment the block 16 byte block counter */
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@ -162,7 +162,7 @@ void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceIn
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TotalBlocks--;
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}
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/* Write the dataflash buffer contents back to the dataflash page */
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/* Write the Dataflash buffer contents back to the Dataflash page */
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Dataflash_WaitWhileBusy();
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Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2TOMAINMEMWITHERASE : DF_CMD_BUFF1TOMAINMEMWITHERASE);
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Dataflash_SendAddressBytes(CurrDFPage, 0x00);
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@ -172,11 +172,11 @@ void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceIn
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if (!(Endpoint_IsReadWriteAllowed()))
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Endpoint_ClearOUT();
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/* Deselect all dataflash chips */
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/* Deselect all Dataflash chips */
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Dataflash_DeselectChip();
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}
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/** Reads blocks (OS blocks, not Dataflash pages) from the storage medium, the board dataflash IC(s), into
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/** Reads blocks (OS blocks, not Dataflash pages) from the storage medium, the board Dataflash IC(s), into
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* the pre-selected data IN endpoint. This routine reads in Dataflash page sized blocks from the Dataflash
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* and writes them in OS sized blocks to the endpoint.
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*
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/* Select the correct starting Dataflash IC for the block requested */
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Dataflash_SelectChipFromPage(CurrDFPage);
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/* Send the dataflash main memory page read command */
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/* Send the Dataflash main memory page read command */
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Dataflash_SendByte(DF_CMD_MAINMEMPAGEREAD);
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Dataflash_SendAddressBytes(CurrDFPage, CurrDFPageByte);
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Dataflash_SendByte(0x00);
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{
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uint8_t BytesInBlockDiv16 = 0;
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/* Write an endpoint packet sized data block to the dataflash */
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/* Write an endpoint packet sized data block to the Dataflash */
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while (BytesInBlockDiv16 < (VIRTUAL_MEMORY_BLOCK_SIZE >> 4))
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{
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/* Check if the endpoint is currently full */
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return;
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}
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/* Check if end of dataflash page reached */
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/* Check if end of Dataflash page reached */
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if (CurrDFPageByteDiv16 == (DATAFLASH_PAGE_SIZE >> 4))
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{
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/* Reset the dataflash buffer counter, increment the page counter */
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/* Reset the Dataflash buffer counter, increment the page counter */
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CurrDFPageByteDiv16 = 0;
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CurrDFPage++;
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/* Select the next dataflash chip based on the new dataflash page index */
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/* Select the next Dataflash chip based on the new Dataflash page index */
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Dataflash_SelectChipFromPage(CurrDFPage);
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/* Send the dataflash main memory page read command */
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/* Send the Dataflash main memory page read command */
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Dataflash_SendByte(DF_CMD_MAINMEMPAGEREAD);
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Dataflash_SendAddressBytes(CurrDFPage, 0);
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Dataflash_SendByte(0x00);
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Dataflash_SendByte(0x00);
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}
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/* Read one 16-byte chunk of data from the dataflash */
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/* Read one 16-byte chunk of data from the Dataflash */
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Endpoint_Write_Byte(Dataflash_ReceiveByte());
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Endpoint_Write_Byte(Dataflash_ReceiveByte());
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Endpoint_Write_Byte(Dataflash_ReceiveByte());
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Endpoint_Write_Byte(Dataflash_ReceiveByte());
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Endpoint_Write_Byte(Dataflash_ReceiveByte());
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/* Increment the dataflash page 16 byte block counter */
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/* Increment the Dataflash page 16 byte block counter */
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CurrDFPageByteDiv16++;
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/* Increment the block 16 byte block counter */
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if (!(Endpoint_IsReadWriteAllowed()))
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Endpoint_ClearIN();
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/* Deselect all dataflash chips */
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/* Deselect all Dataflash chips */
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Dataflash_DeselectChip();
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}
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/** Writes blocks (OS blocks, not Dataflash pages) to the storage medium, the board dataflash IC(s), from
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/** Writes blocks (OS blocks, not Dataflash pages) to the storage medium, the board Dataflash IC(s), from
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* the a given RAM buffer. This routine reads in OS sized blocks from the buffer and writes them to the
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* dataflash in Dataflash page sized blocks. This can be linked to FAT libraries to write files to the
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* dataflash.
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* Dataflash in Dataflash page sized blocks. This can be linked to FAT libraries to write files to the
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* Dataflash.
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*
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* \param[in] BlockAddress Data block starting address for the write sequence
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* \param[in] TotalBlocks Number of blocks of data to write
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@ -307,13 +307,13 @@ void DataflashManager_WriteBlocks_RAM(const uint32_t BlockAddress,
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Dataflash_SelectChipFromPage(CurrDFPage);
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#if (DATAFLASH_PAGE_SIZE > VIRTUAL_MEMORY_BLOCK_SIZE)
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/* Copy selected dataflash's current page contents to the dataflash buffer */
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/* Copy selected dataflash's current page contents to the Dataflash buffer */
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Dataflash_SendByte(DF_CMD_MAINMEMTOBUFF1);
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Dataflash_SendAddressBytes(CurrDFPage, 0);
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Dataflash_WaitWhileBusy();
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#endif
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/* Send the dataflash buffer write command */
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/* Send the Dataflash buffer write command */
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Dataflash_SendByte(DF_CMD_BUFF1WRITE);
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Dataflash_SendAddressBytes(0, CurrDFPageByte);
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{
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uint8_t BytesInBlockDiv16 = 0;
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/* Write an endpoint packet sized data block to the dataflash */
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/* Write an endpoint packet sized data block to the Dataflash */
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while (BytesInBlockDiv16 < (VIRTUAL_MEMORY_BLOCK_SIZE >> 4))
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{
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/* Check if end of dataflash page reached */
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/* Check if end of Dataflash page reached */
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if (CurrDFPageByteDiv16 == (DATAFLASH_PAGE_SIZE >> 4))
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{
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/* Write the dataflash buffer contents back to the dataflash page */
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/* Write the Dataflash buffer contents back to the Dataflash page */
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Dataflash_WaitWhileBusy();
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Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2TOMAINMEMWITHERASE : DF_CMD_BUFF1TOMAINMEMWITHERASE);
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Dataflash_SendAddressBytes(CurrDFPage, 0);
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/* Reset the dataflash buffer counter, increment the page counter */
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/* Reset the Dataflash buffer counter, increment the page counter */
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CurrDFPageByteDiv16 = 0;
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CurrDFPage++;
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/* Once all the dataflash ICs have had their first buffers filled, switch buffers to maintain throughput */
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/* Once all the Dataflash ICs have had their first buffers filled, switch buffers to maintain throughput */
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if (Dataflash_GetSelectedChip() == DATAFLASH_CHIP_MASK(DATAFLASH_TOTALCHIPS))
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UsingSecondBuffer = !(UsingSecondBuffer);
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/* Select the next dataflash chip based on the new dataflash page index */
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/* Select the next Dataflash chip based on the new Dataflash page index */
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Dataflash_SelectChipFromPage(CurrDFPage);
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#if (DATAFLASH_PAGE_SIZE > VIRTUAL_MEMORY_BLOCK_SIZE)
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/* If less than one dataflash page remaining, copy over the existing page to preserve trailing data */
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/* If less than one Dataflash page remaining, copy over the existing page to preserve trailing data */
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if ((TotalBlocks * (VIRTUAL_MEMORY_BLOCK_SIZE >> 4)) < (DATAFLASH_PAGE_SIZE >> 4))
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{
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/* Copy selected dataflash's current page contents to the dataflash buffer */
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/* Copy selected dataflash's current page contents to the Dataflash buffer */
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Dataflash_WaitWhileBusy();
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Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_MAINMEMTOBUFF2 : DF_CMD_MAINMEMTOBUFF1);
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Dataflash_SendAddressBytes(CurrDFPage, 0);
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}
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#endif
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/* Send the dataflash buffer write command */
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/* Send the Dataflash buffer write command */
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Dataflash_ToggleSelectedChipCS();
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Dataflash_SendByte(DF_CMD_BUFF1WRITE);
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Dataflash_SendAddressBytes(0, 0);
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}
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/* Write one 16-byte chunk of data to the dataflash */
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/* Write one 16-byte chunk of data to the Dataflash */
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for (uint8_t ByteNum = 0; ByteNum < 16; ByteNum++)
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Dataflash_SendByte(*(BufferPtr++));
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/* Increment the dataflash page 16 byte block counter */
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/* Increment the Dataflash page 16 byte block counter */
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CurrDFPageByteDiv16++;
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/* Increment the block 16 byte block counter */
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TotalBlocks--;
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}
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/* Write the dataflash buffer contents back to the dataflash page */
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/* Write the Dataflash buffer contents back to the Dataflash page */
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Dataflash_WaitWhileBusy();
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Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2TOMAINMEMWITHERASE : DF_CMD_BUFF1TOMAINMEMWITHERASE);
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Dataflash_SendAddressBytes(CurrDFPage, 0x00);
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Dataflash_WaitWhileBusy();
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/* Deselect all dataflash chips */
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/* Deselect all Dataflash chips */
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Dataflash_DeselectChip();
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}
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/** Reads blocks (OS blocks, not Dataflash pages) from the storage medium, the board dataflash IC(s), into
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/** Reads blocks (OS blocks, not Dataflash pages) from the storage medium, the board Dataflash IC(s), into
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* the a preallocated RAM buffer. This routine reads in Dataflash page sized blocks from the Dataflash
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* and writes them in OS sized blocks to the given buffer. This can be linked to FAT libraries to read
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* the files stored on the dataflash.
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* the files stored on the Dataflash.
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*
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* \param[in] BlockAddress Data block starting address for the read sequence
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* \param[in] TotalBlocks Number of blocks of data to read
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/* Select the correct starting Dataflash IC for the block requested */
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Dataflash_SelectChipFromPage(CurrDFPage);
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/* Send the dataflash main memory page read command */
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/* Send the Dataflash main memory page read command */
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Dataflash_SendByte(DF_CMD_MAINMEMPAGEREAD);
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Dataflash_SendAddressBytes(CurrDFPage, CurrDFPageByte);
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Dataflash_SendByte(0x00);
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{
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uint8_t BytesInBlockDiv16 = 0;
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/* Write an endpoint packet sized data block to the dataflash */
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/* Write an endpoint packet sized data block to the Dataflash */
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while (BytesInBlockDiv16 < (VIRTUAL_MEMORY_BLOCK_SIZE >> 4))
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{
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/* Check if end of dataflash page reached */
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/* Check if end of Dataflash page reached */
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if (CurrDFPageByteDiv16 == (DATAFLASH_PAGE_SIZE >> 4))
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{
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/* Reset the dataflash buffer counter, increment the page counter */
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/* Reset the Dataflash buffer counter, increment the page counter */
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CurrDFPageByteDiv16 = 0;
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CurrDFPage++;
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/* Select the next dataflash chip based on the new dataflash page index */
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/* Select the next Dataflash chip based on the new Dataflash page index */
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Dataflash_SelectChipFromPage(CurrDFPage);
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/* Send the dataflash main memory page read command */
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/* Send the Dataflash main memory page read command */
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Dataflash_SendByte(DF_CMD_MAINMEMPAGEREAD);
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Dataflash_SendAddressBytes(CurrDFPage, 0);
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Dataflash_SendByte(0x00);
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Dataflash_SendByte(0x00);
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}
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/* Read one 16-byte chunk of data from the dataflash */
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/* Read one 16-byte chunk of data from the Dataflash */
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for (uint8_t ByteNum = 0; ByteNum < 16; ByteNum++)
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*(BufferPtr++) = Dataflash_ReceiveByte();
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/* Increment the dataflash page 16 byte block counter */
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/* Increment the Dataflash page 16 byte block counter */
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CurrDFPageByteDiv16++;
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/* Increment the block 16 byte block counter */
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TotalBlocks--;
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}
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/* Deselect all dataflash chips */
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/* Deselect all Dataflash chips */
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Dataflash_DeselectChip();
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}
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/** Disables the dataflash memory write protection bits on the board Dataflash ICs, if enabled. */
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/** Disables the Dataflash memory write protection bits on the board Dataflash ICs, if enabled. */
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void DataflashManager_ResetDataflashProtections(void)
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{
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/* Select first dataflash chip, send the read status register command */
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/* Select first Dataflash chip, send the read status register command */
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Dataflash_SelectChip(DATAFLASH_CHIP1);
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Dataflash_SendByte(DF_CMD_GETSTATUS);
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@ -478,7 +478,7 @@ void DataflashManager_ResetDataflashProtections(void)
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Dataflash_SendByte(DF_CMD_SECTORPROTECTIONOFF[3]);
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}
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/* Select second dataflash chip (if present on selected board), send read status register command */
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/* Select second Dataflash chip (if present on selected board), send read status register command */
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#if (DATAFLASH_TOTALCHIPS == 2)
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Dataflash_SelectChip(DATAFLASH_CHIP2);
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Dataflash_SendByte(DF_CMD_GETSTATUS);
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@ -496,7 +496,7 @@ void DataflashManager_ResetDataflashProtections(void)
|
|||
}
|
||||
#endif
|
||||
|
||||
/* Deselect current dataflash chip */
|
||||
/* Deselect current Dataflash chip */
|
||||
Dataflash_DeselectChip();
|
||||
}
|
||||
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue