void blit(BITMAP_PTR SrcPm, uint8_t *fb,  int src_x, int src_y, int dst_x, int dst_y, int w, int h)
{
	uint16_t *ptr = (uint16_t*)SrcPm->data;
	for (uint32_t i = 0; i <  h ; i++)
	{
		for (uint32_t j = 0; j  < w; j++)
		{
			uint16_t color = ptr[j];

				 *(__IO uint16_t*) (fb + (2*((dst_y+i)*BSP_LCD_GetXSize() + dst_x + j))) = color;

		}

		ptr+=w;
  }

}