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eeprom.c
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#include "eeprom.h"
#include "eepromConfig.h"
#ifdef _EEPROM_F1_LOW_DESTINY
#define _EEPROM_FLASH_PAGE_SIZE 1024
/* Base address of the Flash sectors */
#define ADDR_FLASH_PAGE_0 ((uint32_t)0x08000000) /* Base @ of Page 0, 1 Kbytes */
#define _EEPROM_FLASH_PAGE_ADDRESS (ADDR_FLASH_PAGE_0|(_EEPROM_FLASH_PAGE_SIZE*_EEPROM_USE_FLASH_PAGE))
#if (_EEPROM_USE_FLASH_PAGE>31)
#error "Please Enter currect value _EEPROM_USE_FLASH_PAGE (0 to 31)"
#endif
#endif
#ifdef _EEPROM_F1_MEDIUM_DESTINY
#define _EEPROM_FLASH_PAGE_SIZE 1024
/* Base address of the Flash sectors */
#define ADDR_FLASH_PAGE_0 ((uint32_t)0x08000000) /* Base @ of Page 0, 1 Kbytes */
#define _EEPROM_FLASH_PAGE_ADDRESS (ADDR_FLASH_PAGE_0|(_EEPROM_FLASH_PAGE_SIZE*_EEPROM_USE_FLASH_PAGE))
#if (_EEPROM_USE_FLASH_PAGE>127)
#error "Please Enter currect value _EEPROM_USE_FLASH_PAGE (0 to 127)"
#endif
#endif
#ifdef _EEPROM_F1_HIGH_DESTINY
#define _EEPROM_FLASH_PAGE_SIZE 2048
/* Base address of the Flash sectors */
#define ADDR_FLASH_PAGE_0 ((uint32_t)0x08000000) /* Base @ of Page 0, 2 Kbytes */
#define _EEPROM_FLASH_PAGE_ADDRESS (ADDR_FLASH_PAGE_0|(_EEPROM_FLASH_PAGE_SIZE*_EEPROM_USE_FLASH_PAGE))
#if (_EEPROM_USE_FLASH_PAGE>255)
#error "Please Enter currect value _EEPROM_USE_FLASH_PAGE (0 to 255)"
#endif
#endif
uint32_t EEPROMPageBackup[_EEPROM_FLASH_PAGE_SIZE/4];
//##########################################################################################################
//##########################################################################################################
//##########################################################################################################
bool EE_Format(void)
{
uint32_t error;
HAL_FLASH_Unlock();
FLASH_EraseInitTypeDef flashErase;
flashErase.NbPages=1;
flashErase.Banks = FLASH_BANK_1;
flashErase.PageAddress = _EEPROM_FLASH_PAGE_ADDRESS;
flashErase.TypeErase = FLASH_TYPEERASE_PAGES;
if(HAL_FLASHEx_Erase(&flashErase,&error)==HAL_OK)
{
HAL_FLASH_Lock();
if(error != 0xFFFFFFFF)
return false;
else
return true;
}
HAL_FLASH_Lock();
return false;
}
//##########################################################################################################
bool EE_Read(uint16_t VirtualAddress, uint32_t* Data)
{
if(VirtualAddress >= (_EEPROM_FLASH_PAGE_SIZE/4))
return false;
*Data = (*(__IO uint32_t*)((VirtualAddress*4)+_EEPROM_FLASH_PAGE_ADDRESS));
return true;
}
//##########################################################################################################
bool EE_Write(uint16_t VirtualAddress, uint32_t Data)
{
if(VirtualAddress >= (_EEPROM_FLASH_PAGE_SIZE/4))
return false;
if((*(__IO uint32_t*)((VirtualAddress*4)+_EEPROM_FLASH_PAGE_ADDRESS)) != 0xFFFFFFFF)
{
if( EE_Reads(0,(_EEPROM_FLASH_PAGE_SIZE/4),EEPROMPageBackup)==false)
{
HAL_FLASH_Lock();
return false;
}
EEPROMPageBackup[VirtualAddress]=Data;
EE_Format();
HAL_FLASH_Unlock();
for(uint16_t i=0 ; i<_EEPROM_FLASH_PAGE_SIZE/4 ; i++)
{
if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD,(i*4)+_EEPROM_FLASH_PAGE_ADDRESS,(uint64_t)EEPROMPageBackup[i])!=HAL_OK)
{
HAL_FLASH_Lock();
return false;
}
}
}
HAL_FLASH_Unlock();
if(Data!=0xFFFFFFFF)
{
if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD,(VirtualAddress*4)+_EEPROM_FLASH_PAGE_ADDRESS,(uint64_t)Data)==HAL_OK)
{
HAL_FLASH_Lock();
return true;
}
else
{
HAL_FLASH_Lock();
return false;
}
}
HAL_FLASH_Lock();
return true;
}
//##########################################################################################################
bool EE_Reads(uint16_t StartVirtualAddress,uint16_t HowMuchToRead,uint32_t* Data)
{
if((StartVirtualAddress+HowMuchToRead) > (_EEPROM_FLASH_PAGE_SIZE/4))
return false;
for(uint16_t i=StartVirtualAddress ; i<HowMuchToRead+StartVirtualAddress ; i++)
{
*Data = (*(__IO uint32_t*)((i*4)+_EEPROM_FLASH_PAGE_ADDRESS));
Data++;
}
return true;
}
//##########################################################################################################
bool EE_Writes(uint16_t StartVirtualAddress,uint16_t HowMuchToWrite,uint32_t* Data)
{
if((StartVirtualAddress+HowMuchToWrite) > (_EEPROM_FLASH_PAGE_SIZE/4))
return false;
if( EE_Reads(0,(_EEPROM_FLASH_PAGE_SIZE/4),EEPROMPageBackup)==false)
return false;
for(uint16_t i=StartVirtualAddress ; i<HowMuchToWrite+StartVirtualAddress ; i++)
{
EEPROMPageBackup[i]=*Data;
Data++;
}
if(EE_Format()==false)
return false;
HAL_FLASH_Unlock();
for(uint16_t i=0 ; i<(_EEPROM_FLASH_PAGE_SIZE/4); i++)
{
if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD,(i*4)+_EEPROM_FLASH_PAGE_ADDRESS,(uint64_t)EEPROMPageBackup[i])!=HAL_OK)
{
HAL_FLASH_Lock();
return false;
}
}
HAL_FLASH_Lock();
return true;
}
//##########################################################################################################