displayLayer1.WindowX0 = 10;
   displayLayer1.WindowX1 = 790;
   displayLayer1.WindowY0 = 10;
   displayLayer1.WindowY1 = 470;
   displayLayer1.PixelFormat = LTDC_PIXEL_FORMAT_ARGB4444;
   displayLayer1.Alpha = 255;
   displayLayer1.Alpha0 = 250;
   displayLayer1.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
   displayLayer1.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
   displayLayer1.FBStartAdress = (uint32_t)&aBufferResult;
   displayLayer1.ImageWidth = 0;
   displayLayer1.ImageHeight = 0;
   displayLayer1.Backcolor.Blue = 250;
   displayLayer1.Backcolor.Green = 0;
   displayLayer1.Backcolor.Red = 200;

   HAL_LTDC_ConfigLayer(&displayTypeDef, &displayLayer1, 0);

#define PIXELWIDHT 2

#define LCD_WIDTH 800
#define LCD_HEIGHT 480

#define HFP 40
#define HSYNC 48
#define HBP 40

#define VFP 13
#define VSYNC 3
#define VBP 29



#define ACTIVE_W (HSYNC + LCD_WIDTH + HBP - 1)
#define ACTIVE_H (VSYNC + LCD_HEIGHT + VBP - 1)
#define DISP_ACCUM_HORIZ_BACKPORCH (HSYNC + HBP - 1)
#define DISP_ACCUM_VERT_BACKPORCH (VSYNC + VBP - 1)
#define TOTAL_WIDTH (HSYNC + HBP + LCD_WIDTH + HFP - 1)
#define TOTAL_HEIGHT (VSYNC + VBP + LCD_HEIGHT + VFP - 1)

uint16_t aBufferResult[95000];

void Screen_Init(void)
{
LTDC_HandleTypeDef displayTypeDef;
LTDC_LayerCfgTypeDef displayLayer1;
LTDC_LayerCfgTypeDef displayLayer2;

GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5| GPIO_PIN_6|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = 14;

HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);

GPIO_InitStruct.Pin = GPIO_PIN_10| GPIO_PIN_11;

HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);

GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1| GPIO_PIN_2|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_9|GPIO_PIN_10;

HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);

GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3| GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_1
4|GPIO_PIN_15;

HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);

GPIO_InitStruct.Pin = GPIO_PIN_12;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;

HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);

HAL_GPIO_WritePin(GPIOE, GPIO_PIN_12, 1);

__LTDC_CLK_ENABLE();

// PLL

/* LCD clock configuration */
/* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 MHz */
/* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN = 192 MHz */
/* PLLLCDCLK = PLLSAI_VCO Output/PLLSAIR = 192/5 = 38.4 MHz */
/* LTDC clock frequency = PLLLCDCLK / LTDC_PLLSAI_DIVR_4 = 38.4/4 = 9.6MHz */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
PeriphClkInitStruct.PLLSAI.PLLSAIN = 192;
PeriphClkInitStruct.PLLSAI.PLLSAIR = 5;
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_4;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);

// enable clock for LTDC
RCC->APB2ENR |= RCC_APB2ENR_LTDCEN;

// LTDC
HAL_LTDC_Init(&displayTypeDef);
displayTypeDef.Instance = LTDC;
displayTypeDef.Init.HSPolarity = LTDC_HSPOLARITY_AL;
displayTypeDef.Init.VSPolarity = LTDC_VSPOLARITY_AL;
displayTypeDef.Init.DEPolarity = LTDC_DEPOLARITY_AL;
displayTypeDef.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
displayTypeDef.Init.HorizontalSync = HSYNC-1;
displayTypeDef.Init.VerticalSync = VSYNC-1;
displayTypeDef.Init.AccumulatedHBP = DISP_ACCUM_HORIZ_BACKPORCH;
displayTypeDef.Init.AccumulatedVBP = DISP_ACCUM_VERT_BACKPORCH;
displayTypeDef.Init.AccumulatedActiveW = ACTIVE_W;
displayTypeDef.Init.AccumulatedActiveH = ACTIVE_H;
displayTypeDef.Init.TotalWidth = TOTAL_WIDTH;
displayTypeDef.Init.TotalHeigh = TOTAL_HEIGHT;
displayTypeDef.Init.Backcolor.Blue = 200;
displayTypeDef.Init.Backcolor.Green = 0;
displayTypeDef.Init.Backcolor.Red = 200;

HAL_LTDC_Init(&displayTypeDef);

// Layer 1
displayLayer1.WindowX0 = 210;
displayLayer1.WindowX1 = 590;
displayLayer1.WindowY0 = 100;
displayLayer1.WindowY1 = 380;
displayLayer1.PixelFormat = LTDC_PIXEL_FORMAT_ARGB4444;
displayLayer1.Alpha = 255;
displayLayer1.Alpha0 = 250;
displayLayer1.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
displayLayer1.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
displayLayer1.FBStartAdress = (uint32_t)&aBufferResult;
displayLayer1.ImageWidth = 0;
displayLayer1.ImageHeight = 0;
displayLayer1.Backcolor.Blue = 250;
displayLayer1.Backcolor.Green = 0;
displayLayer1.Backcolor.Red = 200;

HAL_LTDC_ConfigLayer(&displayTypeDef, &displayLayer1, 0);

}

static void DMA2D_Config(void)
{
__HAL_RCC_DMA2D_CLK_ENABLE();
/* Register to memory mode with ARGB4444 as colorMode */
Dma2dHandle.Init.Mode = DMA2D_R2M;
Dma2dHandle.Init.ColorMode = DMA2D_ARGB4444;
Dma2dHandle.Init.OutputOffset = 0x0;

Dma2dHandle.XferCpltCallback = TransferComplete;
Dma2dHandle.XferErrorCallback = TransferError;
Dma2dHandle.Instance = DMA2D;

/* DMA2D Initialization */
if(HAL_DMA2D_Init(&Dma2dHandle) != HAL_OK)
{

}
}

static void _DMA_Fill(void * pDst, int xSize, int ySize, int OffLine, uint32_t ColorIndex) {

DMA2D->CR = 0x00030000UL | (1 << 9); // Register to memory and TCIE
DMA2D->OCOLR = ColorIndex; // Color to be used
DMA2D->OMAR = (uint32_t)pDst; // Destination address
DMA2D->OOR = OffLine; // Destination line offset
DMA2D->OPFCCR = 4; // Defines the number of pixels to be transfered
DMA2D->NLR = ((uint32_t)xSize << 16) | ySize; // Size configuration of area to be transfered
DMA2D->CR |= 1; // Start operation
//
// Wait until transfer is done
//
while (DMA2D->CR & DMA2D_CR_START) {
//__WFI(); // Sleep until next interrupt
}

_DMA_Fill(aBufferResult+10, 10, 10, 0, 0x1F0A);
_DMA_Fill(aBufferResult+200, 20, 2, 0, 0x1C01);
_DMA_Fill(aBufferResult+300, 50, 20, 0, 0xF0F0);

  displayLayer1.ImageWidth = 0;
   displayLayer1.ImageHeight = 0;