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Copy pathSTM32F4EmbeddedFlash.c
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STM32F4EmbeddedFlash.c
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/*
#####################################################################################
# In the name of ALLAH #
# Project : STM32F407 Test Project #
# Date : 2014/05/07 #
# file : STM32F4EmbeddedFlash.c #
# #
#####################################################################################
*/
#include "stm32f4xx.h"
#include "types.h"
#include "STM32F4EmbeddedFlash.h"
/******************************************************************************************************/
boolean FlashCRLock(boolean Lock){
if (Lock == False){
FLASH -> KEYR = KEY1;
FLASH -> KEYR = KEY2;
if (!(FLASH -> CR & FLASH_CR_LOCK))
return True;
else
return False;
}
else{
while(FLASH -> SR & FLASH_SR_BSY);
FLASH -> CR |= FLASH_CR_LOCK;
if (FLASH -> CR & FLASH_CR_LOCK)
return True;
else
return False;
}
}
/******************************************************************************************************/
boolean FlashOptionByteCRLock(boolean Lock){
if (Lock == False){
FLASH -> OPTKEYR = OPTKEY1;
FLASH -> OPTKEYR = OPTKEY2;
if (!(FLASH -> OPTCR & FLASH_OPTCR_OPTLOCK))
return True;
else
return False;
}
else{
while(FLASH -> SR & FLASH_SR_BSY);
FLASH -> OPTCR |= FLASH_OPTCR_OPTLOCK;
if (FLASH -> OPTCR & FLASH_OPTCR_OPTLOCK)
return True;
else
return False;
}
}
/******************************************************************************************************/
//Write x32 in Embedded Flash
boolean FlashWrite(uint32 *Data, uint32 *Address, uint32 Size){
uint32 i;
while(FLASH -> SR & FLASH_SR_BSY);
FLASH -> CR |= FLASH_CR_PG;
for (i = 0 ; i < Size ; i++)
Address[i] = Data[i];
while(FLASH -> SR & FLASH_SR_BSY);
FLASH -> CR &= (uint32)~(FLASH_CR_PG);
if (FLASH -> SR & (FLASH_SR_PGSERR | FLASH_SR_PGPERR | FLASH_SR_PGAERR |FLASH_SR_WRPERR |FLASH_SR_SOP)) return False;
return True;
}
/******************************************************************************************************/
boolean FlashSectoreErase(SectorNumber){
while(FLASH -> SR & FLASH_SR_BSY);
FLASH -> CR |= FLASH_CR_SER | ((SectorNumber << 3) & FLASH_CR_SNB);
FLASH -> CR |= FLASH_CR_STRT;
while(FLASH -> SR & FLASH_SR_BSY);
FLASH -> CR &= (uint32)~(FLASH_CR_SER);
if (FLASH -> SR & (FLASH_SR_WRPERR | FLASH_SR_SOP)) return False;
return True;
}
/******************************************************************************************************/
boolean FlashMassErase(void){
while(FLASH -> SR & FLASH_SR_BSY);
FLASH -> CR |= FLASH_CR_MER;
FLASH -> CR |= FLASH_CR_STRT;
while(FLASH -> SR & FLASH_SR_BSY);
FLASH -> CR &= (uint32)~(FLASH_CR_MER);
if (FLASH -> SR & (FLASH_SR_WRPERR | FLASH_SR_SOP)) return False;
return True;
}
/******************************************************************************************************/
boolean ReadProtection(uint8 Level){
}