STM32F1 write/read flash memory, cortex M3 - c++

Question

I need to write/read flash memory in my blue pill board (stm32f103c8t6) and I followed this tutorial https://www.youtube.com/watch?v=BKgh896Bj8Q&t=32s but I used Keil uVision 5 IDE and I had this error
" #error 167: argument of type "uint32_t" is incompatible with parameter of type "const char *" "
Here is the .c library I used
static uint32_t GetPage(uint32_t Address)
{
for (int indx=0; indx<128; indx++)
{
if((Address < (0x08000000 + (1024 *(indx+1))) ) && (Address >= (0x08000000 + 1024*indx)))
{
return (0x08000000 + 1024*indx);
}
}
return -1;
}
uint32_t Flash_Write_Data (uint32_t StartPageAddress, uint32_t * DATA_32)
{
static FLASH_EraseInitTypeDef EraseInitStruct;
uint32_t PAGEError;
int sofar=0;
int numberofwords = (strlen(DATA_32)/4) + ((strlen(DATA_32) % 4) != 0);
/* Unlock the Flash to enable the flash control register access *************/
HAL_FLASH_Unlock();
/* Erase the user Flash area*/
uint32_t StartPage = GetPage(StartPageAddress);
uint32_t EndPageAdress = StartPageAddress + numberofwords*4;
uint32_t EndPage = GetPage(EndPageAdress);
/* Fill EraseInit structure*/
EraseInitStruct.TypeErase = FLASH_TYPEERASE_PAGES;
EraseInitStruct.PageAddress = StartPage;
EraseInitStruct.NbPages = ((EndPage - StartPage)/FLASH_PAGE_SIZE) +1;
if (HAL_FLASHEx_Erase(&EraseInitStruct, &PAGEError) != HAL_OK)
{
/*Error occurred while page erase.*/
return HAL_FLASH_GetError ();
}
/* Program the user Flash area word by word*/
while (sofar<numberofwords)
{
if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, StartPageAddress, DATA_32[sofar]) == HAL_OK)
{
StartPageAddress += 4; // use StartPageAddress += 2 for half word and 8 for double word
sofar++;
}
else
{
/* Error occurred while writing data in Flash memory*/
return HAL_FLASH_GetError ();
}
}
/* Lock the Flash to disable the flash control register access (recommended
to protect the FLASH memory against possible unwanted operation) *********/
HAL_FLASH_Lock();
return 0;
}
void Flash_Read_Data (uint32_t StartPageAddress, __IO uint32_t * DATA_32)
{
while (1)
{
*DATA_32 = *(__IO uint32_t *)StartPageAddress;
if (*DATA_32 == 0xffffffff)
{
*DATA_32 = '\0';
break;
}
StartPageAddress += 4;
DATA_32++;
}
}
void Convert_To_Str (uint32_t *data, char *str)
{
int numberofbytes = ((strlen(data)/4) + ((strlen(data) % 4) != 0)) *4;
for (int i=0; i<numberofbytes; i++)
{
str[i] = data[i/4]>>(8*(i%4));
}
}
And in the main.c I just used Flash_Write_Data(0x0801FC00,data);
It's all commands from the .c and .h files, and I also used CubeMX with Keil IDE (don't know if it makes any diference)
I don't know if it's a keils configuration problem, the .c and .h libraries used in the tutorial don't see to be so much complex.
I searched on the internet and it's a very common error but didn't find a solution. I didn't even found much about Flash memory in cortex M3 with PAGE MEMORY TYPE. If someone could help with this error or write/read flash memory in cortex M3 I would appreciate it.