STM32L4R5 || read/erase/write internal Flash

Hello everyone,

Dev Board based on STM32L4R5

I am just trying to erase and then write something on the internal FLASH.

I am trying to follow the example:

https://github.com/STMicroelectronics/STM32CubeL4/blob/master/Projects/NUCLEO-L4R5ZI/Examples/FLASH/FLASH_FastProgram/Src/main.c

I have created a small test function to just erase the bank 2

​

#define FLASH_USER_START_ADDR   ADDR_FLASH_PAGE_256   /* Start @ of user Flash area */
#define FLASH_USER_END_ADDR     ADDR_FLASH_PAGE_511 + FLASH_PAGE_SIZE - 1   /* End @ of user Flash area */


void testFlash( void )
{
	/* Unlock the Flash to enable the flash control register access *************/
	HAL_FLASH_Unlock();

	/* Clear OPTVERR bit set on virgin samples */
	__HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_OPTVERR);

	/* Get the bank */
	BankNumber = GetBank(FLASH_USER_START_ADDR);


	/* Fill EraseInit structure*/
	EraseInitStruct.TypeErase = FLASH_TYPEERASE_MASSERASE;
	EraseInitStruct.Banks     = BankNumber;

	if (HAL_FLASHEx_Erase(&EraseInitStruct, &PAGEError) != HAL_OK)
	{
	 // Error occurred while mass erase.
	 // To know the code error, user can call function 'HAL_FLASH_GetError()'

		//Infinite loop
		while (1)
		{
		  //BSP_LED_On(LED3);
		}
	}

	/* Lock the Flash to disable the flash control register access (recommended
	to protect the FLASH memory against possible unwanted operation) *********/
	HAL_FLASH_Lock();
} 

Issue:

Having testFlash() function in main(), cases the HAL_Init() not return at all.

If I remove the testFlash() the application runs as expected.

Hope someone can direct me to some debug information.

Thank you.