int _GetData(void * p, const U8 ** ppData, unsigned NumBytes, U32 Off) {
	char _acBuffer[0x6000];
	FILE * phFile;
	uint32_t NumBytesRead;
	phFile = (FILE *)p;
	//
	// Check buffer size
	//
	if (NumBytes > sizeof(_acBuffer)) {
		NumBytes = sizeof(_acBuffer);
	}
	//
	// Set file pointer to the required position
	//
	fseek(phFile, Off, SEEK_SET);
	//
	// Read data into buffer
	//
	NumBytesRead = fread(_acBuffer, sizeof(char), NumBytes, phFile);
	//
	// Set data pointer to the beginning of the buffer
	//
	*ppData = _acBuffer;
	//
	// Return number of available bytes
	//
	return NumBytesRead;
}


static void Display (void const *arg) {
  FILE *
  while (1) {
		etapa++;
		if (etapa >=3)
			etapa =1;
		switch(etapa){
			
			case 1:
				GUI_Clear();
				GUI_DrawBitmap(&bmLogo800x480px, 0, 0);
				//this bitmap is loaded in flash with bmp converter
				break;
			case 2:
				GUI_Clear();
				//here we tried to load the file from sd card
				hFile = fopen ("Logo.bmp","r"); 
				if (hFile !=NULL){					
					if (!GUI_BMP_DrawEx(_GetData, hFile, 0, 0)) {							
					}
					fclose(hFile);
				}
				break;					
		
		}
		
		osDelay(5000);
	}
}