void Internal_EE_Erase8(uint16_t position){
DATA_EEPROM_Unlock();
/* Clear all pending flags */
FLASH_ClearFlag(FLASH_FLAG_EOP|FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR
| FLASH_FLAG_SIZERR | FLASH_FLAG_OPTVERR | FLASH_FLAG_OPTVERRUSR);
DATA_EEPROM_EraseByte(INTERNAL_8BIT_START_ADDRESS+position);
DATA_EEPROM_Lock();
}
void Internal_EE_EraseM8(uint16_t start_position, uint16_t NbrOfPositions){
uint16_t i = 0;
DATA_EEPROM_Unlock();
/* Clear all pending flags */
FLASH_ClearFlag(FLASH_FLAG_EOP|FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR
| FLASH_FLAG_SIZERR | FLASH_FLAG_OPTVERR | FLASH_FLAG_OPTVERRUSR);
for(i=0; i<NbrOfPositions; i++){
DATA_EEPROM_EraseByte(INTERNAL_8BIT_START_ADDRESS+start_position+i);
}
DATA_EEPROM_Lock();
}
/**
* @brief Writes selected block of option structure memory to EEPROM.
* @param offset: beginning of block to write, length of block.
* @retval void
*/
void WriteBlock(uint16_t offset, uint8_t len)
{
uint8_t i;
uint32_t eeprom_addr = DATA_EEPROM_START_ADDR + offset;
uint8_t* ram_addr = (uint8_t*)&options + offset;
DATA_EEPROM_Unlock();
for (i=0; i<len; i++) // Erase
DATA_EEPROM_EraseByte(eeprom_addr+i);
for (i=0; i<len; i++) // Program
DATA_EEPROM_ProgramByte(eeprom_addr+i, *ram_addr++);
DATA_EEPROM_Lock();
}
/**
* @brief Function stores all options in EEPROM memory.
* @param void
* @retval verification status
*/
uint8_t WriteOptions(void)
{
uint16_t i;
uint32_t eeprom_addr = DATA_EEPROM_START_ADDR;
uint8_t* ram_addr = (uint8_t*)&options;
uint8_t options_len = sizeof(options);
uint8_t ver_status = 0;
//FLASH_Status FLASHStatus = FLASH_COMPLETE;
DATA_EEPROM_Unlock(); // Unlock the FLASH PECR register and Data EEPROM memory
FLASH_ClearFlag(FLASH_FLAG_EOP|FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR // Clear all pending flags
| FLASH_FLAG_SIZERR | FLASH_FLAG_OPTVERR | FLASH_FLAG_OPTVERRUSR);
for (i=0; i<options_len; i++) // Erase
DATA_EEPROM_EraseByte(eeprom_addr+i);
for (i=0; i<options_len; i++) // Program
DATA_EEPROM_ProgramByte(eeprom_addr+i, *ram_addr++);
ram_addr = (uint8_t*)&options;
for (i=0; i<options_len; i++) // Verify
{ if (*ram_addr++ != *(uint8_t*)(eeprom_addr+i)) ver_status = 1; }
DATA_EEPROM_Lock();
return ver_status;
}
