/* ---------------------------------------------------------------------------- | |
* ATMEL Microcontroller Software Support | |
* ---------------------------------------------------------------------------- | |
* Copyright (c) 2009, 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 | |
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* ---------------------------------------------------------------------------- | |
*/ | |
/** | |
* \file | |
* | |
* Implementation of nor flash api interface. | |
*/ | |
/*---------------------------------------------------------------------------- | |
* Headers | |
*----------------------------------------------------------------------------*/ | |
#include "memories.h" | |
#include <string.h> | |
/*---------------------------------------------------------------------------- | |
* Exported functions | |
*----------------------------------------------------------------------------*/ | |
/** | |
* \brief 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( NorFlash *pNorFlash, uint32_t address) | |
{ | |
((pNorFlash->pOperations)->_fReset)(&(pNorFlash->norFlashInfo), address); | |
} | |
/** | |
* \brief It will invokes associate function to implement a read manufactory ID command. | |
* | |
* \param pNorFlash Pointer to a NorFlash instance. | |
*/ | |
uint32_t NORFLASH_ReadManufactoryID( NorFlash *pNorFlash) | |
{ | |
return ((pNorFlash->pOperations)->_fReadManufactoryID)(&(pNorFlash->norFlashInfo)); | |
} | |
/** | |
* \brief It will invokes associate function to implement a read device ID command. | |
* ID command. | |
* | |
* \param pNorFlash Pointer to a NorFlash instance. | |
*/ | |
uint32_t NORFLASH_ReadDeviceID( NorFlash *pNorFlash) | |
{ | |
return ((pNorFlash->pOperations)->_fReadDeviceID)(&(pNorFlash->norFlashInfo)); | |
} | |
/** | |
* \brief 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. | |
*/ | |
uint8_t NORFLASH_EraseSector( NorFlash *pNorFlash, uint32_t address) | |
{ | |
return ((pNorFlash->pOperations)->_fEraseSector)(&(pNorFlash->norFlashInfo), address); | |
} | |
/** | |
* \brief 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. | |
*/ | |
uint8_t NORFLASH_EraseChip( NorFlash *pNorFlash ) | |
{ | |
return ((pNorFlash->pOperations)->_fEraseChip)(&(pNorFlash->norFlashInfo)); | |
} | |
/** | |
* \brief Unlock the specified block of the device. | |
* | |
* \param pNorFlash Pointer to a NorFlash instance. | |
* \param address Address offset to be unlock. | |
*/ | |
void NORFLASH_UnlockSector( NorFlash *pNorFlash, uint32_t address) | |
{ | |
((pNorFlash->pOperations)->_fUnlockSector)(&(pNorFlash->norFlashInfo), address); | |
} | |
/** | |
* \brief 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. | |
*/ | |
uint8_t NORFLASH_WriteData( NorFlash *pNorFlash, uint32_t address, uint8_t *buffer, uint32_t size) | |
{ | |
return ((pNorFlash->pOperations)->_fWriteData)(&(pNorFlash->norFlashInfo), address, buffer, size); | |
} | |
/** | |
* \brief Reads data from the NandFlash chip into the provided buffer. | |
* | |
* \param pNorFlash Pointer to a NorFlash instance. | |
* \param address Start address offset to be wrote. | |
* \param buffer Buffer where the data will be stored. | |
* \param size Number of bytes that will be read. | |
*/ | |
uint8_t NORFLASH_ReadData( NorFlash *pNorFlash, uint32_t address, uint8_t *buffer, uint32_t size) | |
{ | |
uint32_t busAddress; | |
uint8_t busWidth; | |
uint32_t 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; | |
} |