how to write flash memory in stm32f030
// You can write into flash page but can not over write erase page before write again.
//https://stackoverflow.com/questions/47373317/how-to-write-erase-on-chip-flash-continuously-in-stm32f030-family
uint32_t pageAddress = 0x08008000;
uint16_t buffer = 0xdddd; // data buffer
HAL_HAL_StatusTypeDef status;
while(1)
{
HAL_FLASH_Unlock(); // unlock the flash memory in ST
//FLASH_PageErase(pageAddress);
status=HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, pageAddress,
buffer);
HAL_FLASH_Lock(); // Flash memory locked
}