void SaveCalibrationToFlash(U16 add_off, U8 packet_length)
{
U8 flashCheckWrite[3] = {0xFF,0xFE,0xFD};
// Erase our configuration Flash page
// And copy our Calibration data into it
add_off = add_off << 4;
if(add_off == 0)
{
// Erase our configuration Flash page
FLASH_PageErase( (FLADDR)(&CalInfo1[0]) );
// And copy our updated data into it
FLASH_Write( (FLADDR)(&CalFlashCheck[0]),
(U8 *)(&flashCheckWrite[0]),
3);
}
FLASH_Write( (FLADDR)(&CalInfo1[0]) + add_off,
(U8 xdata *)(&MainRegister[SET_SENSOR6]),
packet_length);
}
/**
* @brief Perform a mass erase or erase the specified FLASH memory pages with interrupt enabled
* @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 pEraseInit pointer to an FLASH_EraseInitTypeDef structure that
* contains the configuration information for the erasing.
*
* @retval HAL_StatusTypeDef HAL Status
*/
HAL_StatusTypeDef HAL_FLASHEx_Erase_IT(FLASH_EraseInitTypeDef *pEraseInit)
{
HAL_StatusTypeDef status = HAL_OK;
/* Process Locked */
__HAL_LOCK(&pFlash);
/* If procedure already ongoing, reject the next one */
if (pFlash.ProcedureOnGoing != FLASH_PROC_NONE)
{
return HAL_ERROR;
}
/* Check the parameters */
assert_param(IS_FLASH_TYPEERASE(pEraseInit->TypeErase));
/* Enable End of FLASH Operation and Error source interrupts */
__HAL_FLASH_ENABLE_IT(FLASH_IT_EOP | FLASH_IT_ERR);
#if defined(FLASH_BANK2_END)
/* Enable End of FLASH Operation and Error source interrupts */
__HAL_FLASH_ENABLE_IT(FLASH_IT_EOP_BANK2 | FLASH_IT_ERR_BANK2);
#endif
if (pEraseInit->TypeErase == FLASH_TYPEERASE_MASSERASE)
{
/*Mass erase to be done*/
pFlash.ProcedureOnGoing = FLASH_PROC_MASSERASE;
FLASH_MassErase(pEraseInit->Banks);
}
else
{
/* Erase by page to be done*/
/* Check the parameters */
assert_param(IS_FLASH_PROGRAM_ADDRESS(pEraseInit->PageAddress));
assert_param(IS_FLASH_NB_PAGES(pEraseInit->PageAddress, pEraseInit->NbPages));
pFlash.ProcedureOnGoing = FLASH_PROC_PAGEERASE;
pFlash.DataRemaining = pEraseInit->NbPages;
pFlash.Address = pEraseInit->PageAddress;
/*Erase 1st page and wait for IT*/
FLASH_PageErase(pEraseInit->PageAddress);
}
return status;
}
HAL_StatusTypeDef ee_format(SavedDomain_t* page) {
HAL_StatusTypeDef status;
status = HAL_FLASH_Unlock();
if(status != HAL_OK) {
return status;
}
//FLASH_PageErase(PAGE0_BASE_ADDRESS);
FLASH_PageErase((uint32_t)page);
status = FLASH_WaitForLastOperation(FLASH_TIMEOUT);
if(status != HAL_OK) {
return status;
}
CLEAR_BIT(FLASH->CR, FLASH_CR_PER);
HAL_FLASH_Lock();
return status;
}
/* begin_addr,被写数据Flash开始地址；counter,连续写多少个字节； array[]，数据来源 */
UCHAR sequential_write_flash_in_one_sector(UINT begin_addr, UINT counter, UCHAR array[])
{
UINT i = 0;
UINT in_sector_begin_addr = 0;
UINT sector_addr = 0;
FLASH_PageErase(begin_addr);
for(i=0; i<counter; i++)
{
/* 写一个字节 */
FLASH_ByteWrite(begin_addr, array[i]);
/* 比较对错 */
if (FLASH_ByteRead(begin_addr) != array[i])
{
IAP_Disable();
return 0;
}
begin_addr++;
}
IAP_Disable();
return 1;
}
/**
* @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 This function handles FLASH interrupt request.
* @retval None
*/
void HAL_FLASH_IRQHandler(void)
{
uint32_t addresstmp;
/* If the operation is completed, disable the PG, PER and MER Bits */
CLEAR_BIT(FLASH->CR, (FLASH_CR_PG | FLASH_CR_PER | FLASH_CR_MER));
/* Check FLASH End of Operation flag */
if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP))
{
/* Clear FLASH End of Operation pending bit */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
if(pFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE)
{
/* Nb of pages to erased can be decreased */
pFlash.DataRemaining--;
/* Indicate user which page address has been erased*/
HAL_FLASH_EndOfOperationCallback(pFlash.Address);
/* Check if there are still pages to erase*/
if(pFlash.DataRemaining != 0)
{
/* Increment page address to next page */
pFlash.Address += FLASH_PAGE_SIZE;
addresstmp = pFlash.Address;
FLASH_PageErase(addresstmp);
}
else
{
/*No more pages to Erase*/
/*Reset Address and stop Erase pages procedure*/
pFlash.Address = 0xFFFFFFFF;
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
}
else if(pFlash.ProcedureOnGoing == FLASH_PROC_MASSERASE)
{
/*MassErase ended. Return the selected bank*/
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(0);
/* Stop Mass Erase procedure*/
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
else
{
/* Nb of 16-bit data to program can be decreased */
pFlash.DataRemaining--;
/* Check if there are still 16-bit data to program */
if(pFlash.DataRemaining != 0)
{
/* Increment address to 16-bit */
pFlash.Address += 2;
addresstmp = pFlash.Address;
/* Shift to have next 16-bit data */
pFlash.Data = (pFlash.Data >> 16);
/*Program halfword (16-bit) at a specified address.*/
FLASH_Program_HalfWord(addresstmp, (uint16_t)pFlash.Data);
}
else
{
/*Program ended. Return the selected address*/
/* FLASH EOP interrupt user callback */
if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMHALFWORD)
{
HAL_FLASH_EndOfOperationCallback(pFlash.Address);
}
else if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMWORD)
{
HAL_FLASH_EndOfOperationCallback(pFlash.Address-2);
}
else
{
HAL_FLASH_EndOfOperationCallback(pFlash.Address-6);
}
/* Reset Address and stop Program procedure*/
pFlash.Address = 0xFFFFFFFF;
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
}
/**
* @brief Handle FLASH interrupt request.
* @retval None
*/
void HAL_FLASH_IRQHandler(void)
{
uint32_t tmp_page;
/* If the operation is completed, disable the PG, PNB, MER1, MER2 and PER Bit */
CLEAR_BIT(FLASH->CR, (FLASH_CR_PG | FLASH_CR_MER1 | FLASH_CR_MER2 | FLASH_CR_PER | FLASH_CR_PNB));
/* Disable the FSTPG Bit only if it is the last row programmed */
if(pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAM_LAST)
{
CLEAR_BIT(FLASH->CR, FLASH_CR_FSTPG);
}
/* Check FLASH operation error flags */
if((__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPERR)) || (__HAL_FLASH_GET_FLAG(FLASH_FLAG_PROGERR)) ||
(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR)) || (__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR)) ||
(__HAL_FLASH_GET_FLAG(FLASH_FLAG_SIZERR)) || (__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGSERR)) ||
(__HAL_FLASH_GET_FLAG(FLASH_FLAG_MISERR)) || (__HAL_FLASH_GET_FLAG(FLASH_FLAG_FASTERR)) ||
(__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR)) || (__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR)) ||
(__HAL_FLASH_GET_FLAG(FLASH_FLAG_ECCD)))
{
/*Save the error code*/
FLASH_SetErrorCode();
/* FLASH error interrupt user callback */
if(pFlash.ProcedureOnGoing == FLASH_PROC_PAGE_ERASE)
{
HAL_FLASH_EndOfOperationCallback(pFlash.Page);
}
else if(pFlash.ProcedureOnGoing == FLASH_PROC_MASS_ERASE)
{
HAL_FLASH_EndOfOperationCallback(pFlash.Bank);
}
else if((pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAM) ||
(pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAM_LAST))
{
HAL_FLASH_OperationErrorCallback(pFlash.Address);
}
HAL_FLASH_OperationErrorCallback(pFlash.Address);
/*Stop the procedure ongoing*/
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
/* Check FLASH End of Operation flag */
if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP))
{
/* Clear FLASH End of Operation pending bit */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
if(pFlash.ProcedureOnGoing == FLASH_PROC_PAGE_ERASE)
{
/* Nb of pages to erased can be decreased */
pFlash.NbPagesToErase--;
/* Check if there are still pages to erase*/
if(pFlash.NbPagesToErase != 0)
{
/* Indicate user which page has been erased*/
HAL_FLASH_EndOfOperationCallback(pFlash.Page);
/* Increment page number */
pFlash.Page++;
tmp_page = pFlash.Page;
FLASH_PageErase(tmp_page, pFlash.Bank);
}
else
{
/* No more pages to Erase */
/* Reset Address and stop Erase pages procedure */
pFlash.Page = 0xFFFFFFFF;
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
/* Flush the caches to be sure of the data consistency */
FLASH_FlushCaches() ;
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(pFlash.Page);
}
}
else
{
if(pFlash.ProcedureOnGoing == FLASH_PROC_MASS_ERASE)
{
/* MassErase ended. Return the selected bank */
/* Flush the caches to be sure of the data consistency */
FLASH_FlushCaches() ;
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(pFlash.Bank);
}
else if((pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAM) ||
(pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAM_LAST))
{
/* Program ended. Return the selected address */
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(pFlash.Address);
}
/*Clear the procedure ongoing*/
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
}
if(pFlash.ProcedureOnGoing == FLASH_PROC_NONE)
{
/* Disable End of Operation and Error interrupts */
__HAL_FLASH_DISABLE_IT(FLASH_IT_EOP | FLASH_IT_OPERR);
/* Process Unlocked */
__HAL_UNLOCK(&pFlash);
}
}
/**
* @brief This function handles FLASH interrupt request.
* @retval None
*/
void HAL_FLASH_IRQHandler(void)
{
uint32_t addresstmp = 0;
/* Check FLASH operation error flags */
#if defined(FLASH_BANK2_END)
if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR_BANK1) || __HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR_BANK1) || \
(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR_BANK2) || __HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR_BANK2)))
#else
if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) ||__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR))
#endif /* FLASH_BANK2_END */
{
/*return the faulty address*/
addresstmp = pFlash.Address;
/* Reset address */
pFlash.Address = 0xFFFFFFFF;
/*Save the Error code*/
FLASH_SetErrorCode();
/* FLASH error interrupt user callback */
HAL_FLASH_OperationErrorCallback(addresstmp);
/* Stop the procedure ongoing*/
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
/* Check FLASH End of Operation flag */
#if defined(FLASH_BANK2_END)
if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP_BANK1))
{
/* Clear FLASH End of Operation pending bit */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP_BANK1);
#else
if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP))
{
/* Clear FLASH End of Operation pending bit */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
#endif /* FLASH_BANK2_END */
/* Process can continue only if no error detected */
if(pFlash.ProcedureOnGoing != FLASH_PROC_NONE)
{
if(pFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE)
{
/* Nb of pages to erased can be decreased */
pFlash.DataRemaining--;
/* Check if there are still pages to erase*/
if(pFlash.DataRemaining != 0)
{
addresstmp = pFlash.Address;
/*Indicate user which sector has been erased*/
HAL_FLASH_EndOfOperationCallback(addresstmp);
/*Increment sector number*/
addresstmp = pFlash.Address + FLASH_PAGE_SIZE;
pFlash.Address = addresstmp;
/* If the erase operation is completed, disable the PER Bit */
CLEAR_BIT(FLASH->CR, FLASH_CR_PER);
FLASH_PageErase(addresstmp);
}
else
{
/*No more pages to Erase, user callback can be called.*/
/*Reset Sector and stop Erase pages procedure*/
pFlash.Address = addresstmp = 0xFFFFFFFF;
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(addresstmp);
}
}
else if(pFlash.ProcedureOnGoing == FLASH_PROC_MASSERASE)
{
/* Operation is completed, disable the MER Bit */
CLEAR_BIT(FLASH->CR, FLASH_CR_MER);
#if defined(FLASH_BANK2_END)
/* Stop Mass Erase procedure if no pending mass erase on other bank */
if (HAL_IS_BIT_CLR(FLASH->CR2, FLASH_CR2_MER))
{
#endif /* FLASH_BANK2_END */
/* MassErase ended. Return the selected bank*/
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(0);
/* Stop Mass Erase procedure*/
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
#if defined(FLASH_BANK2_END)
}
#endif /* FLASH_BANK2_END */
else
{
/* Nb of 16-bit data to program can be decreased */
pFlash.DataRemaining--;
/* Check if there are still 16-bit data to program */
if(pFlash.DataRemaining != 0)
{
/* Increment address to 16-bit */
pFlash.Address += 2;
addresstmp = pFlash.Address;
/* Shift to have next 16-bit data */
pFlash.Data = (pFlash.Data >> 16);
/* Operation is completed, disable the PG Bit */
CLEAR_BIT(FLASH->CR, FLASH_CR_PG);
/*Program halfword (16-bit) at a specified address.*/
FLASH_Program_HalfWord(addresstmp, (uint16_t)pFlash.Data);
}
else
{
/*Program ended. Return the selected address*/
/* FLASH EOP interrupt user callback */
if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMHALFWORD)
{
HAL_FLASH_EndOfOperationCallback(pFlash.Address);
}
else if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMWORD)
{
HAL_FLASH_EndOfOperationCallback(pFlash.Address - 2);
}
else
{
HAL_FLASH_EndOfOperationCallback(pFlash.Address - 6);
}
/* Reset Address and stop Program procedure*/
pFlash.Address = 0xFFFFFFFF;
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
}
}
}
/**
* @brief This function handles FLASH interrupt request.
* @retval None
*/
void HAL_FLASH_IRQHandler(void)
{
uint32_t addresstmp = 0U;
/* Check FLASH operation error flags */
if( __HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) ||
__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR) ||
__HAL_FLASH_GET_FLAG(FLASH_FLAG_SIZERR) ||
#if defined(FLASH_SR_RDERR)
__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR) ||
#endif /* FLASH_SR_RDERR */
#if defined(FLASH_SR_OPTVERRUSR)
__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERRUSR) ||
#endif /* FLASH_SR_OPTVERRUSR */
__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR) )
{
if(pFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE)
{
/* Return the faulty sector */
addresstmp = pFlash.Page;
pFlash.Page = 0xFFFFFFFFU;
}
else
{
/* Return the faulty address */
addresstmp = pFlash.Address;
}
/* Save the Error code */
FLASH_SetErrorCode();
/* FLASH error interrupt user callback */
HAL_FLASH_OperationErrorCallback(addresstmp);
/* Stop the procedure ongoing */
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
/* Check FLASH End of Operation flag */
if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP))
{
/* Clear FLASH End of Operation pending bit */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
/* Process can continue only if no error detected */
if(pFlash.ProcedureOnGoing != FLASH_PROC_NONE)
{
if(pFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE)
{
/* Nb of pages to erased can be decreased */
pFlash.NbPagesToErase--;
/* Check if there are still pages to erase */
if(pFlash.NbPagesToErase != 0U)
{
addresstmp = pFlash.Page;
/*Indicate user which sector has been erased */
HAL_FLASH_EndOfOperationCallback(addresstmp);
/*Increment sector number*/
addresstmp = pFlash.Page + FLASH_PAGE_SIZE;
pFlash.Page = addresstmp;
/* If the erase operation is completed, disable the ERASE Bit */
CLEAR_BIT(FLASH->PECR, FLASH_PECR_ERASE);
FLASH_PageErase(addresstmp);
}
else
{
/* No more pages to Erase, user callback can be called. */
/* Reset Sector and stop Erase pages procedure */
pFlash.Page = addresstmp = 0xFFFFFFFFU;
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(addresstmp);
}
}
else
{
/* If the program operation is completed, disable the PROG Bit */
CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG);
/* Program ended. Return the selected address */
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(pFlash.Address);
/* Reset Address and stop Program procedure */
pFlash.Address = 0xFFFFFFFFU;
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
}
}
if(pFlash.ProcedureOnGoing == FLASH_PROC_NONE)
{
/* Operation is completed, disable the PROG and ERASE */
CLEAR_BIT(FLASH->PECR, (FLASH_PECR_ERASE | FLASH_PECR_PROG));
/* Disable End of FLASH Operation and Error source interrupts */
__HAL_FLASH_DISABLE_IT(FLASH_IT_EOP | FLASH_IT_ERR);
/* Process Unlocked */
__HAL_UNLOCK(&pFlash);
}
}
/**
* @brief This function handles FLASH interrupt request.
* @retval None
*/
void HAL_FLASH_IRQHandler(void)
{
uint32_t addresstmp = 0;
/* Check FLASH operation error flags */
/* WARNING : On the first cut of STM32L031xx and STM32L041xx devices,
* (RefID = 0x1000) the FLASH_FLAG_OPTVERR bit was not behaving
* as expected. If the user run an application using the first
* cut of the STM32L031xx device or the first cut of the STM32L041xx
* device, the check on the FLASH_FLAG_OPTVERR bit should be ignored.
*
* Note :The revId of the device can be retrieved via the HAL_GetREVID()
* function.
*
*/
if( __HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) ||
__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR) ||
__HAL_FLASH_GET_FLAG(FLASH_FLAG_SIZERR) ||
__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR) ||
__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR) ||
__HAL_FLASH_GET_FLAG(FLASH_FLAG_FWWERR) ||
__HAL_FLASH_GET_FLAG(FLASH_FLAG_NOTZEROERR) )
{
if(pFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE)
{
/* Return the faulty sector */
addresstmp = pFlash.Page;
pFlash.Page = 0xFFFFFFFFU;
}
else
{
/* Return the faulty address */
addresstmp = pFlash.Address;
}
/* Save the Error code */
FLASH_SetErrorCode();
/* FLASH error interrupt user callback */
HAL_FLASH_OperationErrorCallback(addresstmp);
/* Stop the procedure ongoing */
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
/* Check FLASH End of Operation flag */
if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP))
{
/* Clear FLASH End of Operation pending bit */
__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
/* Process can continue only if no error detected */
if(pFlash.ProcedureOnGoing != FLASH_PROC_NONE)
{
if(pFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE)
{
/* Nb of pages to erased can be decreased */
pFlash.NbPagesToErase--;
/* Check if there are still pages to erase */
if(pFlash.NbPagesToErase != 0U)
{
addresstmp = pFlash.Page;
/*Indicate user which sector has been erased */
HAL_FLASH_EndOfOperationCallback(addresstmp);
/*Increment sector number*/
addresstmp = pFlash.Page + FLASH_PAGE_SIZE;
pFlash.Page = addresstmp;
/* If the erase operation is completed, disable the ERASE Bit */
CLEAR_BIT(FLASH->PECR, FLASH_PECR_ERASE);
FLASH_PageErase(addresstmp);
}
else
{
/* No more pages to Erase, user callback can be called. */
/* Reset Sector and stop Erase pages procedure */
pFlash.Page = addresstmp = 0xFFFFFFFFU;
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(addresstmp);
}
}
else
{
/* If the program operation is completed, disable the PROG Bit */
CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG);
/* Program ended. Return the selected address */
/* FLASH EOP interrupt user callback */
HAL_FLASH_EndOfOperationCallback(pFlash.Address);
/* Reset Address and stop Program procedure */
pFlash.Address = 0xFFFFFFFFU;
pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
}
}
}
if(pFlash.ProcedureOnGoing == FLASH_PROC_NONE)
{
/* Operation is completed, disable the PROG and ERASE */
CLEAR_BIT(FLASH->PECR, (FLASH_PECR_ERASE | FLASH_PECR_PROG));
/* Disable End of FLASH Operation and Error source interrupts */
__HAL_FLASH_DISABLE_IT(FLASH_IT_EOP | FLASH_IT_ERR);
/* Process Unlocked */
__HAL_UNLOCK(&pFlash);
}
}
//-----------------------------------------------------------------------------
// FLASH_Clear
//-----------------------------------------------------------------------------
//
// This routine erases <numbytes> starting from the FLASH addressed by
// <dest> by performing a read-modify-write operation using <FLASH_TEMP> as
// a temporary holding area. This function accepts <numbytes> up to
// <FLASH_PAGESIZE>.
//
void FLASH_Clear (FLADDR dest, unsigned numbytes)
{
FLADDR dest_1_page_start; // first address in 1st page
// containing <dest>
FLADDR dest_1_page_end; // last address in 1st page
// containing <dest>
FLADDR dest_2_page_start; // first address in 2nd page
// containing <dest>
FLADDR dest_2_page_end; // last address in 2nd page
// containing <dest>
unsigned numbytes_remainder; // when crossing page boundary,
// number of <src> bytes on 2nd page
unsigned FLASH_pagesize; // size of FLASH page to update
FLADDR wptr; // write address
FLADDR rptr; // read address
unsigned length;
FLASH_pagesize = FLASH_PAGESIZE;
dest_1_page_start = dest & ~(FLASH_pagesize - 1);
dest_1_page_end = dest_1_page_start + FLASH_pagesize - 1;
dest_2_page_start = (dest + numbytes) & ~(FLASH_pagesize - 1);
dest_2_page_end = dest_2_page_start + FLASH_pagesize - 1;
if (dest_1_page_end == dest_2_page_end) {
// 1. Erase Scratch page
FLASH_PageErase (FLASH_TEMP);
// 2. Copy bytes from first byte of dest page to dest-1 to Scratch page
wptr = FLASH_TEMP;
rptr = dest_1_page_start;
length = dest - dest_1_page_start;
FLASH_Copy (wptr, rptr, length);
// 3. Copy from (dest+numbytes) to dest_page_end to Scratch page
wptr = FLASH_TEMP + dest - dest_1_page_start + numbytes;
rptr = dest + numbytes;
length = dest_1_page_end - dest - numbytes + 1;
FLASH_Copy (wptr, rptr, length);
// 4. Erase destination page
FLASH_PageErase (dest_1_page_start);
// 5. Copy Scratch page to destination page
wptr = dest_1_page_start;
rptr = FLASH_TEMP;
length = FLASH_pagesize;
FLASH_Copy (wptr, rptr, length);
} else { // value crosses page boundary
// 1. Erase Scratch page
FLASH_PageErase (FLASH_TEMP);
// 2. Copy bytes from first byte of dest page to dest-1 to Scratch page
wptr = FLASH_TEMP;
rptr = dest_1_page_start;
length = dest - dest_1_page_start;
FLASH_Copy (wptr, rptr, length);
// 3. Erase destination page 1
FLASH_PageErase (dest_1_page_start);
// 4. Copy Scratch page to destination page 1
wptr = dest_1_page_start;
rptr = FLASH_TEMP;
length = FLASH_pagesize;
FLASH_Copy (wptr, rptr, length);
// now handle 2nd page
// 5. Erase Scratch page
FLASH_PageErase (FLASH_TEMP);
// 6. Copy bytes from numbytes remaining to dest-2_page_end to Scratch page
numbytes_remainder = numbytes - (dest_1_page_end - dest + 1);
wptr = FLASH_TEMP + numbytes_remainder;
rptr = dest_2_page_start + numbytes_remainder;
length = FLASH_pagesize - numbytes_remainder;
FLASH_Copy (wptr, rptr, length);
// 7. Erase destination page 2
FLASH_PageErase (dest_2_page_start);
// 8. Copy Scratch page to destination page 2
wptr = dest_2_page_start;
rptr = FLASH_TEMP;
length = FLASH_pagesize;
FLASH_Copy (wptr, rptr, length);
}
}
void main (void)
{
unsigned char temp_byte = 0x00;
FLADDR start_address = 0x5FFE;
char test_write_buff[8] = "ABCDEFG";
char test_write_buff2[3] = "HIJ";
char test_read_buff[8] = {0};
char test_compare_buff[8] = "ABCDEFG";
unsigned char i;
bit error_flag = 0;
PCA0MD &= ~0x40; // WDTE = 0 (clear watchdog timer
// enable)
if ((RSTSRC & 0x02) != 0x02)
{
if ((RSTSRC & 0x40) == 0x40)
{
LED = 0;
while(1); // Last reset was caused by a Flash
// Error Device Reset
// LED is off and loop forever to
// indicate error
}
}
Oscillator_Init(); // Initialize the internal oscillator
// to 24.5 MHz
VDDMon_Init();
Port_Init();
LED = 1;
SFRPAGE = LEGACY_PAGE;
// Initially erase the test page of Flash
FLASH_PageErase(start_address);
//BEGIN TEST================================================================
// Check if able to Write and Read the Flash--------------------------------
FLASH_ByteWrite(start_address, 0xA5);
temp_byte = FLASH_ByteRead(start_address);
if (temp_byte != 0xA5)
{
error_flag = 1;
}
//--------------------------------------------------------------------------
// Check if able to Erase a page of the Flash-------------------------------
FLASH_PageErase(start_address);
temp_byte = FLASH_ByteRead(start_address);
if (temp_byte != 0xFF)
{
error_flag = 1;
}
//--------------------------------------------------------------------------
// Check if able to write and read a series of bytes------------------------
FLASH_Write(start_address, test_write_buff, sizeof(test_write_buff));
FLASH_Read(test_read_buff, start_address, sizeof(test_write_buff));
for (i = 0; i < sizeof(test_write_buff); i++)
{
if (test_read_buff[i] != test_write_buff[i])
{
error_flag = 1;
}
}
//--------------------------------------------------------------------------
// Check if able to Erase a few bytes---------------------------------------
FLASH_Clear(start_address, 2);
FLASH_Read(test_read_buff, start_address, sizeof(test_write_buff));
// Simulate the same changes to a data array for comparison
test_compare_buff[0] = 0xFF;
test_compare_buff[1] = 0xFF;
for (i = 0; i < sizeof(test_compare_buff); i++)
{
if (test_read_buff[i] != test_compare_buff[i])
{
error_flag = 1;
}
}
//--------------------------------------------------------------------------
// Check if able to "update" (erase then re-write) a few bytes--------------
FLASH_Update (start_address, test_write_buff2, 3);
FLASH_Read(test_read_buff, start_address, sizeof(test_write_buff));
// Simulate the same changes to a data array for comparison
test_compare_buff[0] = test_write_buff2[0];
test_compare_buff[1] = test_write_buff2[1];
test_compare_buff[2] = test_write_buff2[2];
for (i = 0; i < sizeof(test_compare_buff); i++)
{
if (test_read_buff[i] != test_compare_buff[i])
{
error_flag = 1;
}
}
//--------------------------------------------------------------------------
// Check if able to copy data in the Flash----------------------------------
FLASH_Copy (start_address+sizeof(test_write_buff), start_address,
sizeof(test_write_buff));
FLASH_Read(test_read_buff, start_address+sizeof(test_write_buff),
sizeof(test_read_buff));
for (i = 0; i < sizeof(test_write_buff); i++)
{
if (test_read_buff[i] != test_compare_buff[i])
{
error_flag = 1;
}
}
//--------------------------------------------------------------------------
// FLASH test routines------------------------------------------------------
FLASH_Fill (start_address+sizeof(test_write_buff)*2, sizeof(test_write_buff),
0x5A);
FLASH_Read(test_read_buff, start_address+sizeof(test_write_buff)*2,
sizeof(test_write_buff));
for (i = 0; i < sizeof(test_write_buff); i++)
{
if (test_read_buff[i] != 0x5A)
{
error_flag = 1;
}
}
//--------------------------------------------------------------------------
//END OF TEST===============================================================
while (1) // Loop forever
{
// Blink LED to indicate success
if (error_flag == 0)
{
LED = ~LED;
Timer0_Delay_ms (100);
}
else
{
LED = 0;
}
}
}