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/* ----------------------------------------------------------------------------
* 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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