/**
* @brief Perform a mass erase or erase the specified FLASH memory pages
* @note To correctly run this function, the @ref HAL_FLASH_Unlock() function
* must be called before.
* Call the @ref HAL_FLASH_Lock() to disable the flash memory access
* (recommended to protect the FLASH memory against possible unwanted operation)
* @param[in] pEraseInit pointer to an FLASH_EraseInitTypeDef structure that
* contains the configuration information for the erasing.
*
* @param[out] PageError pointer to variable that
* contains the configuration information on faulty page in case of error
* (0xFFFFFFFF means that all the pages have been correctly erased)
*
* @retval HAL_StatusTypeDef HAL Status
*/
HAL_StatusTypeDef HAL_FLASHEx_Erase(FLASH_EraseInitTypeDef *pEraseInit, uint32_t *PageError)
{
HAL_StatusTypeDef status = HAL_ERROR;
uint32_t address = 0;
/* Process Locked */
__HAL_LOCK(&pFlash);
/* Check the parameters */
assert_param(IS_FLASH_TYPEERASE(pEraseInit->TypeErase));
if (pEraseInit->TypeErase == FLASH_TYPEERASE_MASSERASE)
{
#if defined(FLASH_BANK2_END)
if (pEraseInit->Banks == FLASH_BANK_BOTH)
{
/* Mass Erase requested for Bank1 and Bank2 */
/* Wait for last operation to be completed */
if ((FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK) && \
(FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK))
{
/*Mass erase to be done*/
FLASH_MassErase(FLASH_BANK_BOTH);
/* Wait for last operation to be completed */
if ((FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK) && \
(FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK))
{
status = HAL_OK;
}
/* If the erase operation is completed, disable the MER Bit */
CLEAR_BIT(FLASH->CR, FLASH_CR_MER);
CLEAR_BIT(FLASH->CR2, FLASH_CR2_MER);
}
}
else if (pEraseInit->Banks == FLASH_BANK_2)
{
/* Mass Erase requested for Bank2 */
/* Wait for last operation to be completed */
if (FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK)
{
/*Mass erase to be done*/
FLASH_MassErase(FLASH_BANK_2);
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE);
/* If the erase operation is completed, disable the MER Bit */
CLEAR_BIT(FLASH->CR2, FLASH_CR2_MER);
}
}
else
#endif /* FLASH_BANK2_END */
{
/* Mass Erase requested for Bank1 */
/* Wait for last operation to be completed */
if (FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK)
{
/*Mass erase to be done*/
FLASH_MassErase(FLASH_BANK_1);
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
/* If the erase operation is completed, disable the MER Bit */
CLEAR_BIT(FLASH->CR, FLASH_CR_MER);
}
}
}
else
{
/* Page Erase is requested */
/* Check the parameters */
assert_param(IS_FLASH_PROGRAM_ADDRESS(pEraseInit->PageAddress));
assert_param(IS_FLASH_NB_PAGES(pEraseInit->PageAddress, pEraseInit->NbPages));
#if defined(FLASH_BANK2_END)
/* Page Erase requested on address located on bank2 */
if(pEraseInit->PageAddress > FLASH_BANK1_END)
{
/* Wait for last operation to be completed */
if (FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK)
{
/*Initialization of PageError variable*/
*PageError = 0xFFFFFFFF;
/* Erase by page by page to be done*/
for(address = pEraseInit->PageAddress;
address < (pEraseInit->PageAddress + (pEraseInit->NbPages)*FLASH_PAGE_SIZE);
address += FLASH_PAGE_SIZE)
{
FLASH_PageErase(address);
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE);
/* If the erase operation is completed, disable the PER Bit */
CLEAR_BIT(FLASH->CR2, FLASH_CR2_PER);
if (status != HAL_OK)
{
/* In case of error, stop erase procedure and return the faulty address */
*PageError = address;
break;
}
}
}
}
else
#endif /* FLASH_BANK2_END */
{
/* Page Erase requested on address located on bank1 */
/* Wait for last operation to be completed */
if (FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK)
{
/*Initialization of PageError variable*/
*PageError = 0xFFFFFFFF;
/* Erase page by page to be done*/
for(address = pEraseInit->PageAddress;
address < ((pEraseInit->NbPages * FLASH_PAGE_SIZE) + pEraseInit->PageAddress);
address += FLASH_PAGE_SIZE)
{
FLASH_PageErase(address);
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
/* If the erase operation is completed, disable the PER Bit */
CLEAR_BIT(FLASH->CR, FLASH_CR_PER);
if (status != HAL_OK)
{
/* In case of error, stop erase procedure and return the faulty address */
*PageError = address;
break;
}
}
}
}
}
/* Process Unlocked */
__HAL_UNLOCK(&pFlash);
return status;
}
/**
* @brief Program halfword, word or double word at a specified address
* @note The function HAL_FLASH_Unlock() should be called before to unlock the FLASH interface
* The function HAL_FLASH_Lock() should be called after to lock the FLASH interface
*
* @note If an erase and a program operations are requested simultaneously,
* the erase operation is performed before the program one.
*
* @note FLASH should be previously erased before new programmation (only exception to this
* is when 0x0000 is programmed)
*
* @param TypeProgram: Indicate the way to program at a specified address.
* This parameter can be a value of @ref FLASH_Type_Program
* @param Address: Specifies the address to be programmed.
* @param Data: Specifies the data to be programmed
*
* @retval HAL_StatusTypeDef HAL Status
*/
HAL_StatusTypeDef HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint64_t Data)
{
HAL_StatusTypeDef status = HAL_ERROR;
uint8_t index = 0;
uint8_t nbiterations = 0;
/* Process Locked */
__HAL_LOCK(&pFlash);
/* Check the parameters */
assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram));
assert_param(IS_FLASH_PROGRAM_ADDRESS(Address));
#if defined(FLASH_BANK2_END)
if(Address <= FLASH_BANK1_END)
{
#endif /* FLASH_BANK2_END */
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
#if defined(FLASH_BANK2_END)
}
else
{
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE);
}
#endif /* FLASH_BANK2_END */
if(status == HAL_OK)
{
if(TypeProgram == FLASH_TYPEPROGRAM_HALFWORD)
{
/* Program halfword (16-bit) at a specified address. */
nbiterations = 1;
}
else if(TypeProgram == FLASH_TYPEPROGRAM_WORD)
{
/* Program word (32-bit = 2*16-bit) at a specified address. */
nbiterations = 2;
}
else
{
/* Program double word (64-bit = 4*16-bit) at a specified address. */
nbiterations = 4;
}
for (index = 0; index < nbiterations; index++)
{
FLASH_Program_HalfWord((Address + (2*index)), (uint16_t)(Data >> (16*index)));
#if defined(FLASH_BANK2_END)
if(Address <= FLASH_BANK1_END)
{
#endif /* FLASH_BANK2_END */
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
/* If the program operation is completed, disable the PG Bit */
CLEAR_BIT(FLASH->CR, FLASH_CR_PG);
#if defined(FLASH_BANK2_END)
}
else
{
/* Wait for last operation to be completed */
status = FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE);
/* If the program operation is completed, disable the PG Bit */
CLEAR_BIT(FLASH->CR2, FLASH_CR2_PG);
}
#endif /* FLASH_BANK2_END */
/* In case of error, stop programation procedure */
if (status != HAL_OK)
{
break;
}
}
}
/* Process Unlocked */
__HAL_UNLOCK(&pFlash);
return status;
}
