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| author | Dean Camera <dean@fourwalledcubicle.com> | 2009-06-29 11:11:51 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-06-29 11:11:51 +0000 |
| commit | b462f2d457ec2f0cfa22a1c3db198cb22f6809a1 (patch) | |
| tree | 5b527a289d471436ded93d5c9ead94bc5c36385d /Demos/Device/LowLevel/MassStorage/Lib/DataflashManager.c | |
| parent | 86e6ed7f31d29fa3d2aea1f6c40aa4647fce2690 (diff) | |
| download | lufa-b462f2d457ec2f0cfa22a1c3db198cb22f6809a1.tar.gz lufa-b462f2d457ec2f0cfa22a1c3db198cb22f6809a1.tar.bz2 lufa-b462f2d457ec2f0cfa22a1c3db198cb22f6809a1.zip | |
Minor correction to MagStripe demo to fix build problems.
Diffstat (limited to 'Demos/Device/LowLevel/MassStorage/Lib/DataflashManager.c')
| -rw-r--r-- | Demos/Device/LowLevel/MassStorage/Lib/DataflashManager.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/Demos/Device/LowLevel/MassStorage/Lib/DataflashManager.c b/Demos/Device/LowLevel/MassStorage/Lib/DataflashManager.c index 6dc549599..fdc91dd5d 100644 --- a/Demos/Device/LowLevel/MassStorage/Lib/DataflashManager.c +++ b/Demos/Device/LowLevel/MassStorage/Lib/DataflashManager.c @@ -53,16 +53,17 @@ void DataflashManager_WriteBlocks(const uint32_t BlockAddress, uint16_t TotalBlo uint8_t CurrDFPageByteDiv16 = (CurrDFPageByte >> 4);
bool UsingSecondBuffer = false;
- /* Copy selected dataflash's current page contents to the dataflash buffer */
+ /* 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);
-#endif
Dataflash_WaitWhileBusy();
+#endif
/* Send the dataflash buffer write command */
- Dataflash_ToggleSelectedChipCS();
Dataflash_SendByte(DF_CMD_BUFF1WRITE);
Dataflash_SendAddressBytes(0, CurrDFPageByte);
@@ -182,8 +183,10 @@ void DataflashManager_ReadBlocks(const uint32_t BlockAddress, uint16_t TotalBloc uint16_t CurrDFPageByte = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) % DATAFLASH_PAGE_SIZE);
uint8_t CurrDFPageByteDiv16 = (CurrDFPageByte >> 4);
- /* Send the dataflash main memory page read command */
+ /* 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);
@@ -287,16 +290,17 @@ void DataflashManager_WriteBlocks_RAM(const uint32_t BlockAddress, uint16_t Tota uint8_t CurrDFPageByteDiv16 = (CurrDFPageByte >> 4);
bool UsingSecondBuffer = false;
- /* Copy selected dataflash's current page contents to the dataflash buffer */
+ /* 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);
-#endif
Dataflash_WaitWhileBusy();
+#endif
/* Send the dataflash buffer write command */
- Dataflash_ToggleSelectedChipCS();
Dataflash_SendByte(DF_CMD_BUFF1WRITE);
Dataflash_SendAddressBytes(0, CurrDFPageByte);
@@ -384,8 +388,10 @@ void DataflashManager_ReadBlocks_RAM(const uint32_t BlockAddress, uint16_t Total uint16_t CurrDFPageByte = ((BlockAddress * VIRTUAL_MEMORY_BLOCK_SIZE) % DATAFLASH_PAGE_SIZE);
uint8_t CurrDFPageByteDiv16 = (CurrDFPageByte >> 4);
- /* Send the dataflash main memory page read command */
+ /* 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);
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