diff options
Diffstat (limited to 'memories/norflash/NorFlashApi.c')
| -rw-r--r-- | memories/norflash/NorFlashApi.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/memories/norflash/NorFlashApi.c b/memories/norflash/NorFlashApi.c new file mode 100644 index 0000000..33647f9 --- /dev/null +++ b/memories/norflash/NorFlashApi.c @@ -0,0 +1,143 @@ +/* ----------------------------------------------------------------------------
+ * ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+//------------------------------------------------------------------------------
+// Headers
+//------------------------------------------------------------------------------
+#include "NorFlashApi.h"
+#include "NorFlashCommon.h"
+#include <utility/math.h>
+#include <utility/trace.h>
+#include <string.h>
+
+//------------------------------------------------------------------------------
+// Exported functions
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+/// It will invokes different associate function to implement a RESET command.
+/// \param pNorFlash Pointer to a NorFlash instance.
+/// \param address Address offset.
+//------------------------------------------------------------------------------
+void NORFLASH_Reset(struct NorFlash *pNorFlash, unsigned int address)
+{
+ ((pNorFlash->pOperations)->_fReset)(&(pNorFlash->norFlashInfo), address);
+}
+
+//------------------------------------------------------------------------------
+/// It will invokes associate function to implement a read manufactory ID command.
+/// \param pNorFlash Pointer to a NorFlash instance.
+//------------------------------------------------------------------------------
+unsigned int NORFLASH_ReadManufactoryID(struct NorFlash *pNorFlash)
+{
+ return ((pNorFlash->pOperations)->_fReadManufactoryID)(&(pNorFlash->norFlashInfo));
+}
+
+//------------------------------------------------------------------------------
+/// It will invokes associate function to implement a read device ID command.
+/// ID command.
+/// \param pNorFlash Pointer to a NorFlash instance.
+//------------------------------------------------------------------------------
+unsigned int NORFLASH_ReadDeviceID(struct NorFlash *pNorFlash)
+{
+ return ((pNorFlash->pOperations)->_fReadDeviceID)(&(pNorFlash->norFlashInfo));
+}
+
+//------------------------------------------------------------------------------
+/// Erases the specified block of the device. Returns 0 if the operation was
+/// successful; otherwise returns an error code.
+/// \param pNorFlash Pointer to a NorFlash instance.
+/// \param address Address offset to be erase.
+//------------------------------------------------------------------------------
+unsigned char NORFLASH_EraseSector(
+ struct NorFlash *pNorFlash,
+ unsigned int address)
+{
+ return ((pNorFlash->pOperations)->_fEraseSector)(&(pNorFlash->norFlashInfo), address);
+}
+
+//------------------------------------------------------------------------------
+/// Erases all the block of the device. Returns 0 if the operation was successful;
+/// otherwise returns an error code.
+/// \param pNorFlash Pointer to a NorFlash instance.
+//------------------------------------------------------------------------------
+unsigned char NORFLASH_EraseChip(
+ struct NorFlash *pNorFlash)
+{
+ return ((pNorFlash->pOperations)->_fEraseChip)(&(pNorFlash->norFlashInfo));
+}
+
+//------------------------------------------------------------------------------
+/// Sends data to the pNorFlash chip from the provided buffer.
+/// \param pNorFlash Pointer to a NorFlash instance.
+/// \param address Start address offset to be wrote.
+/// \param buffer Buffer where the data is stored.
+/// \param size Number of bytes that will be written.
+//------------------------------------------------------------------------------
+unsigned char NORFLASH_WriteData(
+ struct NorFlash *pNorFlash,
+ unsigned int address,
+ unsigned char *buffer,
+ unsigned int size)
+{
+ return ((pNorFlash->pOperations)->_fWriteData)(&(pNorFlash->norFlashInfo), address, buffer, size);
+}
+
+//------------------------------------------------------------------------------
+/// Reads data from the NandFlash chip into the provided buffer.
+/// \param pNorFlash Pointer to a NorFlash instance.
+/// \param buffer Buffer where the data will be stored.
+/// \param size Number of bytes that will be read.
+//------------------------------------------------------------------------------
+unsigned char NORFLASH_ReadData(
+ struct NorFlash *pNorFlash,
+ unsigned int address,
+ unsigned char *buffer,
+ unsigned int size)
+{
+ unsigned int busAddress;
+ unsigned char busWidth;
+ unsigned int i;
+ busWidth = NorFlash_GetDataBusWidth(&(pNorFlash->norFlashInfo));
+
+ busAddress = NorFlash_GetAddressInChip(&(pNorFlash->norFlashInfo), address);
+ if ((busWidth / 8 ) == FLASH_CHIP_WIDTH_16BITS ){
+ size = (size + 1) >> 1;
+ }
+ if ((busWidth/8) == FLASH_CHIP_WIDTH_32BITS ){
+ size = (size + 3) >> 2;
+ }
+ for(i = 0; i < size; i++) {
+ ReadRawData(busWidth, busAddress, buffer);
+ buffer+= (busWidth / 8);
+ busAddress+= (busWidth / 8);
+
+ }
+ return 0;
+}
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