/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2013.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2013 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
+ without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
- The author disclaim all warranties with regard to this
+ The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
while (TotalBlocks)
{
uint8_t BytesInBlockDiv16 = 0;
-
+
/* Write an endpoint packet sized data block to the Dataflash */
while (BytesInBlockDiv16 < (VIRTUAL_MEMORY_BLOCK_SIZE >> 4))
{
{
/* Clear the current endpoint bank */
Endpoint_ClearOUT();
-
+
/* Wait until the host has sent another packet */
if (Endpoint_WaitUntilReady())
return;
/* Send the Dataflash buffer write command */
Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2WRITE : DF_CMD_BUFF1WRITE);
- Dataflash_SendAddressBytes(0, 0);
+ 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());
-
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+ Dataflash_SendByte(Endpoint_Read_8());
+
/* Increment the Dataflash page 16 byte block counter */
CurrDFPageByteDiv16++;
/* Check if the current command is being aborted by the host */
if (MSInterfaceInfo->State.IsMassStoreReset)
- return;
+ return;
}
-
- /* Decrement the blocks remaining counter and reset the sub block counter */
+
+ /* Decrement the blocks remaining counter */
TotalBlocks--;
}
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))
{
{
/* 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))
{
/* 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);
- }
+ }
/* 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());
-
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+ Endpoint_Write_8(Dataflash_ReceiveByte());
+
/* Increment the Dataflash page 16 byte block counter */
CurrDFPageByteDiv16++;
-
+
/* Increment the block 16 byte block counter */
BytesInBlockDiv16++;
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();
}
/** 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
+ * the given RAM buffer. This routine reads in OS sized blocks from the buffer and writes them to the
* Dataflash in Dataflash page sized blocks. This can be linked to FAT libraries to write files to the
* Dataflash.
*
/* 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))
{
/* Send the Dataflash buffer write command */
Dataflash_ToggleSelectedChipCS();
- Dataflash_SendByte(DF_CMD_BUFF1WRITE);
+ Dataflash_SendByte(UsingSecondBuffer ? DF_CMD_BUFF2WRITE : DF_CMD_BUFF1WRITE);
Dataflash_SendAddressBytes(0, 0);
}
-
+
/* Write one 16-byte chunk of data to the Dataflash */
for (uint8_t ByteNum = 0; ByteNum < 16; ByteNum++)
Dataflash_SendByte(*(BufferPtr++));
-
+
/* Increment the Dataflash page 16 byte block counter */
CurrDFPageByteDiv16++;
/* Increment the block 16 byte block counter */
- BytesInBlockDiv16++;
+ BytesInBlockDiv16++;
}
-
- /* Decrement the blocks remaining counter and reset the sub block counter */
+
+ /* Decrement the blocks remaining counter */
TotalBlocks--;
}
}
/** 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
+ * the preallocated RAM buffer. This routine reads in Dataflash page sized blocks from the Dataflash
* and writes them in OS sized blocks to the given buffer. This can be linked to FAT libraries to read
* the files stored on the Dataflash.
*
while (TotalBlocks)
{
uint8_t BytesInBlockDiv16 = 0;
-
+
/* Write an endpoint packet sized data block to the Dataflash */
while (BytesInBlockDiv16 < (VIRTUAL_MEMORY_BLOCK_SIZE >> 4))
{
/* 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);
- }
+ }
/* 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--;
}
/* 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_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_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
+ * \return Boolean \c true if all media chips are working, \c false otherwise
*/
bool DataflashManager_CheckDataflashOperation(void)
{
if (ReturnByte != DF_MANUFACTURER_ATMEL)
return false;
#endif
-
+
return true;
}
+
projects / pub / USBasp.git / blobdiff