STM32G0. How to write/read in Flash Memory

[EGonz.11]

Hi,

This is to request clarification on doubts regarding the storage of data in the non-volatile memory of the STM32G030C6T6 micro controller ... from what I see in the micro controller's technical sheet, it does not have EEPROM memory, since FLASH memory is used both to save the code and to store data.

I have two routines to write and read respectively from FLASH; but they don't work, and I get an error in the statement: "HAL_FLASHEx_Erase (& EraseInitStruct, & SECTORError);"

Could you please help me to identify the error, or to know another way to record data in the non-volatile memory of the STM32G030C6T6

Below is attached the code used in both routines

Thank you so much

/* WRITE IN FLASH MEMORY */

void writeToFLASH (uint32_t address, uint32_t value){

  HAL_StatusTypeDef flash_ok;

  flash_ok = HAL_ERROR;

  while (flash_ok != HAL_OK){

   flash_ok = HAL_FLASH_Unlock();

//  flash_ok = HAL_FLASHEx_Erase(&EraseInitStruct, &SECTORError);

   flash_ok = HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, address, value);

   flash_ok = HAL_FLASH_Lock();

  }

}

/* READ FROM FLASH MEMORY */

uint32_t readFromFLASH (uint32_t address){

 return (*(__IO uint32_t *)address);

}

[Tesla DeLorean]

>> I get an error in the statement: "HAL_FLASHEx_Erase (& EraseInitStruct, & SECTORError);"

What does the error specifically say? That you haven't defined the variables/structures?

Usually one would have a structure/array of data to be saved into a flash sector, so the write/erase can be done efficiently.

[TDK]

And how is EraseInitStruct defined? You need to populate it with what you're trying to do.