RainerWieland/EEE4STM32
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Nima Askari ----- نیما عسکری 2019-02-19 13:18:02 +03:30 committed by GitHub
parent a52d4c2120
commit 3dbe1f6065
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 2 deletions
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21
eeprom.c
View File

@ -44,7 +44,9 @@
#endif
#endif
#if (_EEPROM_AUTO_ERASE___NEED_MORE_RAM==1)
uint32_t EEPROMPageBackup[_EEPROM_FLASH_PAGE_SIZE/4];
#endif
//##########################################################################################################
//##########################################################################################################
@ -85,6 +87,7 @@ bool EE_Write(uint16_t VirtualAddress, uint32_t Data)
if(VirtualAddress >= (_EEPROM_FLASH_PAGE_SIZE/4))
return false;
#if (_EEPROM_AUTO_ERASE___NEED_MORE_RAM==1)
if((*(__IO uint32_t*)((VirtualAddress*4)+_EEPROM_FLASH_PAGE_ADDRESS)) != 0xFFFFFFFF)
{
@ -106,6 +109,7 @@ bool EE_Write(uint16_t VirtualAddress, uint32_t Data)
}
}
}
#endif
HAL_FLASH_Unlock();
if(Data!=0xFFFFFFFF)
{
@ -122,7 +126,6 @@ bool EE_Write(uint16_t VirtualAddress, uint32_t Data)
}
HAL_FLASH_Lock();
return true;
}
//##########################################################################################################
bool EE_Reads(uint16_t StartVirtualAddress,uint16_t HowMuchToRead,uint32_t* Data)
@ -141,6 +144,7 @@ bool EE_Writes(uint16_t StartVirtualAddress,uint16_t HowMuchToWrite,uint32_t* D
{
if((StartVirtualAddress+HowMuchToWrite) > (_EEPROM_FLASH_PAGE_SIZE/4))
return false;
#if (_EEPROM_AUTO_ERASE___NEED_MORE_RAM==1)
if( EE_Reads(0,(_EEPROM_FLASH_PAGE_SIZE/4),EEPROMPageBackup)==false)
return false;
for(uint16_t i=StartVirtualAddress ; i<HowMuchToWrite+StartVirtualAddress ; i++)
@ -150,15 +154,28 @@ bool EE_Writes(uint16_t StartVirtualAddress,uint16_t HowMuchToWrite,uint32_t* D
}
if(EE_Format()==false)
return false;
#endif
HAL_FLASH_Unlock();
#if (_EEPROM_AUTO_ERASE___NEED_MORE_RAM==1)
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;
}
}
#else
HAL_FLASH_Unlock();
for(uint16_t i=0; i<HowMuchToWrite ; i++)
{
if(HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD,((i+StartVirtualAddress)*4)+_EEPROM_FLASH_PAGE_ADDRESS,(uint64_t)Data[i])!=HAL_OK)
{
HAL_FLASH_Lock();
return false;
}
}
#endif
HAL_FLASH_Lock();
return true;
}

1
eepromConfig.h
View File

@ -1,6 +1,7 @@
#ifndef __EEPROMCONFIG_H
#define __EEPROMCONFIG_H
#define _EEPROM_AUTO_ERASE___NEED_MORE_RAM (0) // store old data
#define _EEPROM_F030x4_F030x6_F070x6_F030x8 (1)
#define _EEPROM_F1_LOW_DESTINY (0)