/**
* @brief Initialize the LTDC
* @param None
* @retval None
*/
void LTDC_Init(void)
{
/* DeInit */
HAL_LTDC_DeInit(&hltdc_eval);
/* LTDC Config */
/* Timing and polarity */
hltdc_eval.Init.HorizontalSync = HSYNC;
hltdc_eval.Init.VerticalSync = VSYNC;
hltdc_eval.Init.AccumulatedHBP = HSYNC+HBP;
hltdc_eval.Init.AccumulatedVBP = VSYNC+VBP;
hltdc_eval.Init.AccumulatedActiveH = VSYNC+VBP+VACT;
hltdc_eval.Init.AccumulatedActiveW = HSYNC+HBP+HACT;
hltdc_eval.Init.TotalHeigh = VSYNC+VBP+VACT+VFP;
hltdc_eval.Init.TotalWidth = HSYNC+HBP+HACT+HFP;
/* background value */
hltdc_eval.Init.Backcolor.Blue = 0;
hltdc_eval.Init.Backcolor.Green = 0;
hltdc_eval.Init.Backcolor.Red = 0;
/* Polarity */
hltdc_eval.Init.HSPolarity = LTDC_HSPOLARITY_AL;
hltdc_eval.Init.VSPolarity = LTDC_VSPOLARITY_AL;
hltdc_eval.Init.DEPolarity = LTDC_DEPOLARITY_AL;
hltdc_eval.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
hltdc_eval.Instance = LTDC;
HAL_LTDC_Init(&hltdc_eval);
}
/* LTDC init function */
void MX_LTDC_Init(void)
{
LTDC_LayerCfgTypeDef pLayerCfg;
LTDC_LayerCfgTypeDef pLayerCfg1;
hltdc.Instance = LTDC;
hltdc.Init.HSPolarity = LTDC_HSPOLARITY_AL;
hltdc.Init.VSPolarity = LTDC_VSPOLARITY_AL;
hltdc.Init.DEPolarity = LTDC_DEPOLARITY_AL;
hltdc.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
hltdc.Init.HorizontalSync = 7;
hltdc.Init.VerticalSync = 3;
hltdc.Init.AccumulatedHBP = 14;
hltdc.Init.AccumulatedVBP = 5;
hltdc.Init.AccumulatedActiveW = 654;
hltdc.Init.AccumulatedActiveH = 485;
hltdc.Init.TotalWidth = 660;
hltdc.Init.TotalHeigh = 487;
hltdc.Init.Backcolor.Blue = 0;
hltdc.Init.Backcolor.Green = 0;
hltdc.Init.Backcolor.Red = 0;
HAL_LTDC_Init(&hltdc);
pLayerCfg.WindowX0 = 0;
pLayerCfg.WindowX1 = 0;
pLayerCfg.WindowY0 = 0;
pLayerCfg.WindowY1 = 0;
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888;
pLayerCfg.Alpha = 0;
pLayerCfg.Alpha0 = 0;
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
pLayerCfg.FBStartAdress = 0;
pLayerCfg.ImageWidth = 0;
pLayerCfg.ImageHeight = 0;
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
HAL_LTDC_ConfigLayer(&hltdc, &pLayerCfg, 0);
pLayerCfg1.WindowX0 = 0;
pLayerCfg1.WindowX1 = 0;
pLayerCfg1.WindowY0 = 0;
pLayerCfg1.WindowY1 = 0;
pLayerCfg1.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888;
pLayerCfg1.Alpha = 0;
pLayerCfg1.Alpha0 = 0;
pLayerCfg1.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg1.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
pLayerCfg1.FBStartAdress = 0;
pLayerCfg1.ImageWidth = 0;
pLayerCfg1.ImageHeight = 0;
pLayerCfg1.Backcolor.Blue = 0;
pLayerCfg1.Backcolor.Green = 0;
pLayerCfg1.Backcolor.Red = 0;
HAL_LTDC_ConfigLayer(&hltdc, &pLayerCfg1, 1);
}
/**
* @brief Initializes the LCD.
* @retval LCD state
*/
uint8_t BSP_LCD_Init(void)
{
/* Select the used LCD */
/* The RK043FN48H LCD 480x272 is selected */
/* Timing Configuration */
hLtdcHandler.Init.HorizontalSync = (RK043FN48H_HSYNC - 1);
hLtdcHandler.Init.VerticalSync = (RK043FN48H_VSYNC - 1);
hLtdcHandler.Init.AccumulatedHBP = (RK043FN48H_HSYNC + RK043FN48H_HBP - 1);
hLtdcHandler.Init.AccumulatedVBP = (RK043FN48H_VSYNC + RK043FN48H_VBP - 1);
hLtdcHandler.Init.AccumulatedActiveH = (RK043FN48H_HEIGHT + RK043FN48H_VSYNC + RK043FN48H_VBP - 1);
hLtdcHandler.Init.AccumulatedActiveW = (RK043FN48H_WIDTH + RK043FN48H_HSYNC + RK043FN48H_HBP - 1);
hLtdcHandler.Init.TotalHeigh = (RK043FN48H_HEIGHT + RK043FN48H_VSYNC + RK043FN48H_VBP + RK043FN48H_VFP - 1);
hLtdcHandler.Init.TotalWidth = (RK043FN48H_WIDTH + RK043FN48H_HSYNC + RK043FN48H_HBP + RK043FN48H_HFP - 1);
/* LCD clock configuration */
BSP_LCD_ClockConfig(&hLtdcHandler, NULL);
/* Initialize the LCD pixel width and pixel height */
hLtdcHandler.LayerCfg->ImageWidth = RK043FN48H_WIDTH;
hLtdcHandler.LayerCfg->ImageHeight = RK043FN48H_HEIGHT;
/* Background value */
hLtdcHandler.Init.Backcolor.Blue = 0;
hLtdcHandler.Init.Backcolor.Green = 0;
hLtdcHandler.Init.Backcolor.Red = 0;
/* Polarity */
hLtdcHandler.Init.HSPolarity = LTDC_HSPOLARITY_AL;
hLtdcHandler.Init.VSPolarity = LTDC_VSPOLARITY_AL;
hLtdcHandler.Init.DEPolarity = LTDC_DEPOLARITY_AL;
hLtdcHandler.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
hLtdcHandler.Instance = LTDC;
if(HAL_LTDC_GetState(&hLtdcHandler) == HAL_LTDC_STATE_RESET)
{
/* Initialize the LCD Msp: this __weak function can be rewritten by the application */
BSP_LCD_MspInit(&hLtdcHandler, NULL);
}
HAL_LTDC_Init(&hLtdcHandler);
/* Assert display enable LCD_DISP pin */
HAL_GPIO_WritePin(LCD_DISP_GPIO_PORT, LCD_DISP_PIN, GPIO_PIN_SET);
/* Assert backlight LCD_BL_CTRL pin */
HAL_GPIO_WritePin(LCD_BL_CTRL_GPIO_PORT, LCD_BL_CTRL_PIN, GPIO_PIN_SET);
#if !defined(DATA_IN_ExtSDRAM)
/* Initialize the SDRAM */
BSP_SDRAM_Init();
#endif
/* Initialize the font */
BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
return LCD_OK;
}
/* LTDC init function */
static void MX_LTDC_Init(void)
{
LTDC_LayerCfgTypeDef pLayerCfg;
hltdc.Instance = LTDC;
hltdc.Init.HSPolarity = LTDC_HSPOLARITY_AL;
hltdc.Init.VSPolarity = LTDC_VSPOLARITY_AL;
hltdc.Init.DEPolarity = LTDC_DEPOLARITY_AL;
hltdc.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
hltdc.Init.Backcolor.Blue = 0;
hltdc.Init.Backcolor.Green = 0;
hltdc.Init.Backcolor.Red = 0;
hltdc.Init.HorizontalSync = LCD_800_480_HSYNC;
hltdc.Init.VerticalSync = LCD_800_480_VSYNC;
hltdc.Init.AccumulatedHBP = LCD_800_480_HSYNC + LCD_800_480_HBP;
hltdc.Init.AccumulatedVBP = LCD_800_480_VSYNC + LCD_800_480_VBP;
hltdc.Init.AccumulatedActiveW = RT_HW_LCD_WIDTH + LCD_800_480_HSYNC + LCD_800_480_HBP;
hltdc.Init.AccumulatedActiveH = RT_HW_LCD_HEIGHT + LCD_800_480_VSYNC + LCD_800_480_VBP;
hltdc.Init.TotalWidth = RT_HW_LCD_WIDTH + LCD_800_480_HSYNC + LCD_800_480_HBP + LCD_800_480_HFP;
hltdc.Init.TotalHeigh = RT_HW_LCD_HEIGHT + LCD_800_480_VSYNC + LCD_800_480_VBP + LCD_800_480_VFP;
hltdc.LayerCfg->ImageHeight = RT_HW_LCD_HEIGHT;
hltdc.LayerCfg->ImageWidth = RT_HW_LCD_WIDTH;
if (HAL_LTDC_Init(&hltdc) != HAL_OK)
{
RT_ASSERT(RT_NULL);
}
lcd_framebuffer = rt_malloc_align(sizeof(rt_uint16_t) * RT_HW_LCD_WIDTH * RT_HW_LCD_HEIGHT, 32);
RT_ASSERT(lcd_framebuffer != RT_NULL);
rt_memset(lcd_framebuffer, 0, sizeof(rt_uint16_t) * RT_HW_LCD_WIDTH * RT_HW_LCD_HEIGHT);
pLayerCfg.WindowX0 = 0;
pLayerCfg.WindowX1 = RT_HW_LCD_WIDTH;
pLayerCfg.WindowY0 = 0;
pLayerCfg.WindowY1 = RT_HW_LCD_HEIGHT;
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_RGB565;
pLayerCfg.Alpha = 0xFF;
pLayerCfg.Alpha0 = 0xFF;
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg.FBStartAdress = (uint32_t)lcd_framebuffer;
pLayerCfg.ImageWidth = RT_HW_LCD_WIDTH;
pLayerCfg.ImageHeight = RT_HW_LCD_HEIGHT;
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
if (HAL_LTDC_ConfigLayer(&hltdc, &pLayerCfg, 0) != HAL_OK)
{
RT_ASSERT(RT_NULL);
}
}
/**
* @brief Initializes the LCD.
* @retval LCD state
*/
uint8_t BSP_LCD_Init(void)
{
/* Timing Configuration */
ltdc_handle.Init.HorizontalSync = (RK043FN48H_HSYNC - 1);
ltdc_handle.Init.VerticalSync = (RK043FN48H_VSYNC - 1);
ltdc_handle.Init.AccumulatedHBP = (RK043FN48H_HSYNC + RK043FN48H_HBP - 1);
ltdc_handle.Init.AccumulatedVBP = (RK043FN48H_VSYNC + RK043FN48H_VBP - 1);
ltdc_handle.Init.AccumulatedActiveH = (RK043FN48H_HEIGHT + RK043FN48H_VSYNC + RK043FN48H_VBP - 1);
ltdc_handle.Init.AccumulatedActiveW = (RK043FN48H_WIDTH + RK043FN48H_HSYNC + RK043FN48H_HBP - 1);
ltdc_handle.Init.TotalHeigh = (RK043FN48H_HEIGHT + RK043FN48H_VSYNC + RK043FN48H_VBP + RK043FN48H_VFP - 1);
ltdc_handle.Init.TotalWidth = (RK043FN48H_WIDTH + RK043FN48H_HSYNC + RK043FN48H_HBP + RK043FN48H_HFP - 1);
/* LCD clock configuration */
BSP_LCD_ClockConfig(<dc_handle, NULL);
/* Initialize the LCD pixel width and pixel height */
ltdc_handle.LayerCfg->ImageWidth = RK043FN48H_WIDTH;
ltdc_handle.LayerCfg->ImageHeight = RK043FN48H_HEIGHT;
/* Background value */
ltdc_handle.Init.Backcolor.Blue = 0;
ltdc_handle.Init.Backcolor.Green = 0;
ltdc_handle.Init.Backcolor.Red = 0;
/* Polarity */
ltdc_handle.Init.HSPolarity = LTDC_HSPOLARITY_AL;
ltdc_handle.Init.VSPolarity = LTDC_VSPOLARITY_AL;
ltdc_handle.Init.DEPolarity = LTDC_DEPOLARITY_AL;
ltdc_handle.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
ltdc_handle.Instance = LTDC;
if (HAL_LTDC_GetState(<dc_handle) == HAL_LTDC_STATE_RESET) {
BSP_LCD_MspInit(<dc_handle, NULL);
}
HAL_LTDC_Init(<dc_handle);
/* allocate the framebuffer */
size_t fb_size_pages = PAGE_ALIGN(RK043FN48H_WIDTH * RK043FN48H_HEIGHT * 4) / PAGE_SIZE;
void *fb_address = novm_alloc_pages(fb_size_pages, NOVM_ARENA_SECONDARY);
if (!fb_address)
panic("failed to allocate framebuffer for LCD\n");
BSP_LCD_LayerDefaultInit(0, (uint32_t)fb_address);
BSP_LCD_SelectLayer(0);
/* clear framebuffer */
memset((void *)ltdc_handle.LayerCfg[active_layer].FBStartAdress, 0,
BSP_LCD_GetXSize() * BSP_LCD_GetYSize() * BSP_LCD_PixelSize());
/* turn the display on */
BSP_LCD_DisplayOn();
return LCD_OK;
}
/* Private functions */
static void TM_LCD_INT_InitLTDC(void) {
RCC_PeriphCLKInitTypeDef periph_clk_init_struct;
/* Enable LTDC and DMA2D clocks */
__HAL_RCC_DMA2D_CLK_ENABLE();
__HAL_RCC_LTDC_CLK_ENABLE();
/* Disable LTDC */
LTDC->GCR &= ~LTDC_GCR_LTDCEN;
/* Timing configuration */
LTDCHandle.Init.HorizontalSync = LCD_HSYNC - 1;
LTDCHandle.Init.VerticalSync = LCD_VSYNC - 1;
LTDCHandle.Init.AccumulatedHBP = LCD_HSYNC + LCD_HBP - 1;
LTDCHandle.Init.AccumulatedVBP = LCD_VSYNC + LCD_VBP - 1;
LTDCHandle.Init.AccumulatedActiveH = LCD_PIXEL_HEIGHT + LCD_VSYNC + LCD_VBP - 1;
LTDCHandle.Init.AccumulatedActiveW = LCD_PIXEL_WIDTH + LCD_HSYNC + LCD_HBP - 1;
LTDCHandle.Init.TotalWidth = LCD_PIXEL_WIDTH + LCD_HSYNC + LCD_HBP + LCD_HFP - 1;
LTDCHandle.Init.TotalHeigh = LCD_PIXEL_HEIGHT + LCD_VSYNC + LCD_VBP + LCD_VFP - 1;
/* Configure PLLSAI prescalers for LCD */
/* Enable Pixel Clock */
/* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 Mhz */
/* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAI_N = 192 Mhz */
/* PLLLCDCLK = PLLSAI_VCO Output/PLLSAI_R = 192/2 = 96 Mhz */
/* LTDC clock frequency = PLLLCDCLK / RCC_PLLSAIDivR = 96/4 = 24 Mhz */
periph_clk_init_struct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
periph_clk_init_struct.PLLSAI.PLLSAIN = 192;
periph_clk_init_struct.PLLSAI.PLLSAIR = LCD_FREQUENCY_DIV;
periph_clk_init_struct.PLLSAIDivR = RCC_PLLSAIDIVR_4;
HAL_RCCEx_PeriphCLKConfig(&periph_clk_init_struct);
/* Initialize the LCD pixel width and pixel height */
LTDCHandle.LayerCfg->ImageWidth = LCD_PIXEL_WIDTH;
LTDCHandle.LayerCfg->ImageHeight = LCD_PIXEL_HEIGHT;
/* Background value */
LTDCHandle.Init.Backcolor.Blue = 0;
LTDCHandle.Init.Backcolor.Green = 0;
LTDCHandle.Init.Backcolor.Red = 0;
/* Polarity */
LTDCHandle.Init.HSPolarity = LTDC_HSPOLARITY_AL;
LTDCHandle.Init.VSPolarity = LTDC_VSPOLARITY_AL;
LTDCHandle.Init.DEPolarity = LTDC_DEPOLARITY_AL;
LTDCHandle.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
LTDCHandle.Instance = LTDC;
/* Init LTDC */
HAL_LTDC_Init(<DCHandle);
}
/* LTDC init function */
static void MX_LTDC_Init(void)
{
LTDC_LayerCfgTypeDef pLayerCfg;
ili9341_Init();
hltdc.Instance = LTDC;
hltdc.Init.HSPolarity = LTDC_HSPOLARITY_AL;
hltdc.Init.VSPolarity = LTDC_VSPOLARITY_AL;
hltdc.Init.DEPolarity = LTDC_DEPOLARITY_AL;
hltdc.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
hltdc.Init.HorizontalSync = 9;
hltdc.Init.VerticalSync = 1;
hltdc.Init.AccumulatedHBP = 29;
hltdc.Init.AccumulatedVBP = 3;
hltdc.Init.AccumulatedActiveW = 269;
hltdc.Init.AccumulatedActiveH = 323;
hltdc.Init.TotalWidth = 279;
hltdc.Init.TotalHeigh = 327;
hltdc.Init.Backcolor.Blue = 0;
hltdc.Init.Backcolor.Green = 0;
hltdc.Init.Backcolor.Red = 0;
if (HAL_LTDC_Init(&hltdc) != HAL_OK)
{
Error_Handler();
}
pLayerCfg.WindowX0 = 0;
pLayerCfg.WindowX1 = 240;
pLayerCfg.WindowY0 = 0;
pLayerCfg.WindowY1 = 320;
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888;
pLayerCfg.Alpha = 255;
pLayerCfg.Alpha0 = 0;
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
pLayerCfg.FBStartAdress = 0xd0000000;
pLayerCfg.ImageWidth = 240;
pLayerCfg.ImageHeight = 320;
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 255;
pLayerCfg.Backcolor.Red = 0;
if (HAL_LTDC_ConfigLayer(&hltdc, &pLayerCfg, 0) != HAL_OK)
{
Error_Handler();
}
}
/**
* @brief LCD Configuration.
* @note This function Configure tha LTDC peripheral :
* 1) Configure the Pixel Clock for the LCD
* 2) Configure the LTDC Timing and Polarity
* 3) Configure the LTDC Layer 1 :
* - ARGB8888 as pixel format
* - The frame buffer is located at internal RAM : The output of DMA2D transfer
* - The Layer size configuration : 300x120
* 4) Configure the LTDC Layer 2 :
* - ARGB4444 as pixel format
* - The frame buffer is located at internal RAM : The output of DMA2D transfer
* - The Layer size configuration : 300x120
* @retval
* None
*/
static void LCD_Config(void)
{
static RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
static LTDC_HandleTypeDef LtdcHandle;
LTDC_LayerCfgTypeDef pLayerCfg;
LTDC_LayerCfgTypeDef pLayerCfg1;
/* LTDC Initialization -------------------------------------------------------*/
/* Polarity configuration */
/* Initialize the horizontal synchronization polarity as active low */
LtdcHandle.Init.HSPolarity = LTDC_HSPOLARITY_AL;
/* Initialize the vertical synchronization polarity as active low */
LtdcHandle.Init.VSPolarity = LTDC_VSPOLARITY_AL;
/* Initialize the data enable polarity as active low */
LtdcHandle.Init.DEPolarity = LTDC_DEPOLARITY_AL;
/* Initialize the pixel clock polarity as input pixel clock */
LtdcHandle.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
/* Timing configuration */
/* Horizontal synchronization width = Hsync - 1 */
LtdcHandle.Init.HorizontalSync = 40;
/* Vertical synchronization height = Vsync - 1 */
LtdcHandle.Init.VerticalSync = 9;
/* Accumulated horizontal back porch = Hsync + HBP - 1 */
LtdcHandle.Init.AccumulatedHBP = 42;
/* Accumulated vertical back porch = Vsync + VBP - 1 */
LtdcHandle.Init.AccumulatedVBP = 11;
/* Accumulated active width = Hsync + HBP + Active Width - 1 */
LtdcHandle.Init.AccumulatedActiveH = 283;
/* Accumulated active height = Vsync + VBP + Active Heigh - 1 */
LtdcHandle.Init.AccumulatedActiveW = 522;
/* Total height = Vsync + VBP + Active Heigh + VFP - 1 */
LtdcHandle.Init.TotalHeigh = 285;
/* Total width = Hsync + HBP + Active Width + HFP - 1 */
LtdcHandle.Init.TotalWidth = 524;
/* 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 = 3;
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_4;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
/* Configure R,G,B component values for LCD background color */
LtdcHandle.Init.Backcolor.Blue = 0;
LtdcHandle.Init.Backcolor.Green = 0;
LtdcHandle.Init.Backcolor.Red = 0;
LtdcHandle.Instance = LTDC;
/* Layer1 Configuration ------------------------------------------------------*/
/* Windowing configuration */
/*
WindowX0 = Horizontal start
WindowX1 = Horizontal stop
WindowY0 = Vertical start
WindowY1 = Vertical stop
*/
pLayerCfg.WindowX0 = 90;
pLayerCfg.WindowX1 = 390;
pLayerCfg.WindowY0 = 15;
pLayerCfg.WindowY1 = 135;
/* Pixel Format configuration*/
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888;
/* Start Address configuration : frame buffer is located at FLASH memory */
pLayerCfg.FBStartAdress = (uint32_t)&ARGB8888_300x120;
/* Alpha constant (255 totally opaque) */
pLayerCfg.Alpha = 255;
/* Default Color configuration (configure A,R,G,B component values) */
pLayerCfg.Alpha0 = 0;
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
/* Configure blending factors */
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
/* Configure the number of lines and number of pixels per line */
pLayerCfg.ImageWidth = 300;
pLayerCfg.ImageHeight = 120;
/* Layer2 Configuration ------------------------------------------------------*/
/* Windowing configuration */
/* In this case all the active display area is used to display a picture */
pLayerCfg1.WindowX0 = 90;
pLayerCfg1.WindowX1 = 390;
pLayerCfg1.WindowY0 = 137;
pLayerCfg1.WindowY1 = 257;
/* Pixel Format configuration*/
pLayerCfg1.PixelFormat = LTDC_PIXEL_FORMAT_ARGB4444;
/* Start Address configuration : frame buffer is located at FLASH memory */
pLayerCfg1.FBStartAdress = (uint32_t)&aBufferResult;
/* Alpha constant (255 totally opaque) */
pLayerCfg1.Alpha = 255;
/* Default Color configuration (configure A,R,G,B component values) */
pLayerCfg1.Alpha0 = 0;
pLayerCfg1.Backcolor.Blue = 0;
pLayerCfg1.Backcolor.Green = 0;
pLayerCfg1.Backcolor.Red = 0;
/* Configure blending factors */
pLayerCfg1.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
pLayerCfg1.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
/* Configure the number of lines and number of pixels per line */
pLayerCfg1.ImageWidth = 300;
pLayerCfg1.ImageHeight = 120;
/* Configure the LTDC */
if(HAL_LTDC_Init(&LtdcHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Configure the Background Layer*/
if(HAL_LTDC_ConfigLayer(&LtdcHandle, &pLayerCfg, 0) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Configure the Foreground Layer*/
if(HAL_LTDC_ConfigLayer(&LtdcHandle, &pLayerCfg1, 1) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
}
/**
* @brief LCD configuration.
* @note This function Configure tha LTDC peripheral :
* 1) Configure the Pixel Clock for the LCD
* 2) Configure the LTDC Timing and Polarity
* 3) Configure the LTDC Layer 2 :
* - ARGB4444 as pixel format
* - The frame buffer is located at internal RAM : The output of DMA2D transfer
* - The Layer size configuration : 150x150
* @retval
* None
*/
static void LCD_Config(void)
{
static LTDC_HandleTypeDef hltdc_F;
static LTDC_LayerCfgTypeDef pLayerCfg;
/* LTDC Initialization -------------------------------------------------------*/
/* Polarity configuration */
/* Initialize the horizontal synchronization polarity as active low */
hltdc_F.Init.HSPolarity = LTDC_HSPOLARITY_AL;
/* Initialize the vertical synchronization polarity as active low */
hltdc_F.Init.VSPolarity = LTDC_VSPOLARITY_AL;
/* Initialize the data enable polarity as active low */
hltdc_F.Init.DEPolarity = LTDC_DEPOLARITY_AL;
/* Initialize the pixel clock polarity as input pixel clock */
hltdc_F.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
/* Timing configuration */
if(stmpe811_ts_drv.ReadID(TS_I2C_ADDRESS) == STMPE811_ID)
{
/* The AMPIRE LCD 480x272 is selected */
/* Timing Configuration */
hltdc_F.Init.HorizontalSync = (AMPIRE480272_HSYNC - 1);
hltdc_F.Init.VerticalSync = (AMPIRE480272_VSYNC - 1);
hltdc_F.Init.AccumulatedHBP = (AMPIRE480272_HSYNC + AMPIRE480272_HBP - 1);
hltdc_F.Init.AccumulatedVBP = (AMPIRE480272_VSYNC + AMPIRE480272_VBP - 1);
hltdc_F.Init.AccumulatedActiveH = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE480272_VBP - 1);
hltdc_F.Init.AccumulatedActiveW = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE480272_HBP - 1);
hltdc_F.Init.TotalHeigh = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE480272_VBP + AMPIRE480272_VFP - 1);
hltdc_F.Init.TotalWidth = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE480272_HBP + AMPIRE480272_HFP - 1);
}
else
{
/* The AMPIRE LCD 640x480 is selected */
/* Timing configuration */
hltdc_F.Init.HorizontalSync = (AMPIRE640480_HSYNC - 1);
hltdc_F.Init.VerticalSync = (AMPIRE640480_VSYNC - 1);
hltdc_F.Init.AccumulatedHBP = (AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
hltdc_F.Init.AccumulatedVBP = (AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
hltdc_F.Init.AccumulatedActiveH = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
hltdc_F.Init.AccumulatedActiveW = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
hltdc_F.Init.TotalHeigh = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP + AMPIRE640480_VFP - 1);
hltdc_F.Init.TotalWidth = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP + AMPIRE640480_HFP - 1);
}
/* Configure R,G,B component values for LCD background color */
hltdc_F.Init.Backcolor.Blue = 0;
hltdc_F.Init.Backcolor.Green = 0;
hltdc_F.Init.Backcolor.Red = 0;
hltdc_F.Instance = LTDC;
/* Layer1 Configuration ------------------------------------------------------*/
/* Windowing configuration */
/*
WindowX0 = Horizontal start
WindowX1 = Horizontal stop
WindowY0 = Vertical start
WindowY1 = Vertical stop
*/
pLayerCfg.WindowX0 = 245;
pLayerCfg.WindowX1 = 395;
pLayerCfg.WindowY0 = 165;
pLayerCfg.WindowY1 = 315;
/* Pixel Format configuration*/
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB4444;
/* Start Address configuration : frame buffer is located at FLASH memory */
pLayerCfg.FBStartAdress = (uint32_t)&aBufferResult;
/* Alpha constant (255 totally opaque) */
pLayerCfg.Alpha = 255;
/* Default Color configuration (configure A,R,G,B component values) */
pLayerCfg.Alpha0 = 0;
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
/* Configure blending factors */
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
/* Configure the number of lines and number of pixels per line */
pLayerCfg.ImageWidth = LAYER_SIZE_X;
pLayerCfg.ImageHeight = LAYER_SIZE_Y;
/* Configure the LTDC */
if(HAL_LTDC_Init(&hltdc_F) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Configure the Layer*/
if(HAL_LTDC_ConfigLayer(&hltdc_F, &pLayerCfg, 1) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
}
/**
* @brief Initializes the LCD.
* @param PclkConfig : pixel clock profile
* @retval LCD state
*/
uint8_t BSP_LCD_InitEx(uint32_t PclkConfig)
{
PCLK_profile = PclkConfig;
/* Select the used LCD */
/* The AMPIRE 480x272 does not contain an ID register then we check the availability
of AMPIRE 480x640 LCD using device ID of the STMPE811 mounted on MB1046 daughter board */
if(stmpe811_ts_drv.ReadID(TS_I2C_ADDRESS) == STMPE811_ID)
{
/* The AMPIRE LCD 480x272 is selected */
/* Timing Configuration */
hltdc_eval.Init.HorizontalSync = (AMPIRE480272_HSYNC - 1);
hltdc_eval.Init.VerticalSync = (AMPIRE480272_VSYNC - 1);
hltdc_eval.Init.AccumulatedHBP = (AMPIRE480272_HSYNC + AMPIRE480272_HBP - 1);
hltdc_eval.Init.AccumulatedVBP = (AMPIRE480272_VSYNC + AMPIRE480272_VBP - 1);
hltdc_eval.Init.AccumulatedActiveH = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE480272_VBP - 1);
hltdc_eval.Init.AccumulatedActiveW = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE480272_HBP - 1);
hltdc_eval.Init.TotalHeigh = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE480272_VBP + AMPIRE480272_VFP - 1);
hltdc_eval.Init.TotalWidth = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE480272_HBP + AMPIRE480272_HFP - 1);
/* Initialize the LCD pixel width and pixel height */
hltdc_eval.LayerCfg->ImageWidth = AMPIRE480272_WIDTH;
hltdc_eval.LayerCfg->ImageHeight = AMPIRE480272_HEIGHT;
}
else
{
/* The LCD AMPIRE 640x480 is selected */
/* Timing configuration */
hltdc_eval.Init.HorizontalSync = (AMPIRE640480_HSYNC - 1);
hltdc_eval.Init.VerticalSync = (AMPIRE640480_VSYNC - 1);
hltdc_eval.Init.AccumulatedHBP = (AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
hltdc_eval.Init.AccumulatedVBP = (AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
hltdc_eval.Init.AccumulatedActiveH = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
hltdc_eval.Init.AccumulatedActiveW = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
hltdc_eval.Init.TotalHeigh = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP + AMPIRE640480_VFP - 1);
hltdc_eval.Init.TotalWidth = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP + AMPIRE640480_HFP - 1);
/* Initialize the LCD pixel width and pixel height */
hltdc_eval.LayerCfg->ImageWidth = AMPIRE640480_WIDTH;
hltdc_eval.LayerCfg->ImageHeight = AMPIRE640480_HEIGHT;
}
/* Background value */
hltdc_eval.Init.Backcolor.Blue = 0;
hltdc_eval.Init.Backcolor.Green = 0;
hltdc_eval.Init.Backcolor.Red = 0;
/* Polarity */
hltdc_eval.Init.HSPolarity = LTDC_HSPOLARITY_AL;
hltdc_eval.Init.VSPolarity = LTDC_VSPOLARITY_AL;
hltdc_eval.Init.DEPolarity = LTDC_DEPOLARITY_AL;
hltdc_eval.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
hltdc_eval.Instance = LTDC;
/* LCD clock configuration */
BSP_LCD_ClockConfig(&hltdc_eval, &PCLK_profile);
MspInit();
HAL_LTDC_Init(&hltdc_eval);
#if !defined(DATA_IN_ExtSDRAM)
/* Initialize the SDRAM */
BSP_SDRAM_Init();
#endif /* DATA_IN_ExtSDRAM */
/* Initialize the font */
BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
return LCD_OK;
}
/**
* @brief LCD configuration.
* @note This function Configure tha LTDC peripheral :
* 1) Configure the Pixel Clock for the LCD
* 2) Configure the LTDC Timing and Polarity
* 3) Configure the LTDC Layer 2 :
* - RGB565 as pixel format
* - The frame buffer is located at internal RAM : The output of DMA2D transfer
* - The Layer size configuration : 240x160
* @retval
* None
*/
static void LCD_Config(void)
{
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
LTDC_LayerCfgTypeDef pLayerCfg;
static LTDC_HandleTypeDef LtdcHandle;
/* Initializaton of ILI9341 component*/
ili9341_Init();
/* LTDC Initialization -------------------------------------------------------*/
/* Polarity configuration */
/* Initialize the horizontal synchronization polarity as active low */
LtdcHandle.Init.HSPolarity = LTDC_HSPOLARITY_AL;
/* Initialize the vertical synchronization polarity as active low */
LtdcHandle.Init.VSPolarity = LTDC_VSPOLARITY_AL;
/* Initialize the data enable polarity as active low */
LtdcHandle.Init.DEPolarity = LTDC_DEPOLARITY_AL;
/* Initialize the pixel clock polarity as input pixel clock */
LtdcHandle.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
/* Timing configuration (Typical configuration from ILI9341 datasheet)
HSYNC=10 (9+1)
HBP=20 (29-10+1)
ActiveW=240 (269-20-10+1)
HFP=10 (279-240-20-10+1)
VSYNC=2 (1+1)
VBP=2 (3-2+1)
ActiveH=320 (323-2-2+1)
VFP=4 (327-320-2-2+1)
*/
/* Timing configuration */
/* Horizontal synchronization width = Hsync - 1 */
LtdcHandle.Init.HorizontalSync = 9;
/* Vertical synchronization height = Vsync - 1 */
LtdcHandle.Init.VerticalSync = 1;
/* Accumulated horizontal back porch = Hsync + HBP - 1 */
LtdcHandle.Init.AccumulatedHBP = 29;
/* Accumulated vertical back porch = Vsync + VBP - 1 */
LtdcHandle.Init.AccumulatedVBP = 3;
/* Accumulated active width = Hsync + HBP + Active Width - 1 */
LtdcHandle.Init.AccumulatedActiveH = 323;
/* Accumulated active height = Vsync + VBP + Active Heigh - 1 */
LtdcHandle.Init.AccumulatedActiveW = 269;
/* Total height = Vsync + VBP + Active Heigh + VFP - 1 */
LtdcHandle.Init.TotalHeigh = 327;
/* Total width = Hsync + HBP + Active Width + HFP - 1 */
LtdcHandle.Init.TotalWidth = 279;
/* 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 = 192/4 = 48 Mhz */
/* LTDC clock frequency = PLLLCDCLK / RCC_PLLSAIDIVR_8 = 48/8 = 6 Mhz */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
PeriphClkInitStruct.PLLSAI.PLLSAIN = 192;
PeriphClkInitStruct.PLLSAI.PLLSAIR = 4;
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_8;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
/* Configure R,G,B component values for LCD background color */
LtdcHandle.Init.Backcolor.Blue = 0;
LtdcHandle.Init.Backcolor.Green = 0;
LtdcHandle.Init.Backcolor.Red = 0;
LtdcHandle.Instance = LTDC;
/* Layer1 Configuration ------------------------------------------------------*/
/* Windowing configuration */
/*
WindowX0 = Horizontal start
WindowX1 = Horizontal stop
WindowY0 = Vertical start
WindowY1 = Vertical stop
*/
pLayerCfg.WindowX0 = 0;
pLayerCfg.WindowX1 = 240;
pLayerCfg.WindowY0 = 80;
pLayerCfg.WindowY1 = 240;
/* Pixel Format configuration*/
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_RGB565;
/* Start Address configuration : frame buffer is located at FLASH memory */
pLayerCfg.FBStartAdress = (uint32_t)&aBlendedImage;
/* Alpha constant (255 totally opaque) */
pLayerCfg.Alpha = 255;
/* Default Color configuration (configure A,R,G,B component values) */
pLayerCfg.Alpha0 = 0;
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
/* Configure blending factors */
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
/* Configure the number of lines and number of pixels per line */
pLayerCfg.ImageWidth = 240;
pLayerCfg.ImageHeight = 160;
/* Configure the LTDC */
if(HAL_LTDC_Init(&LtdcHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Configure the Layer*/
if(HAL_LTDC_ConfigLayer(&LtdcHandle, &pLayerCfg, 1) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
}
/**
* @brief LCD Configuration.
* @note This function Configure tha LTDC peripheral :
* 1) Configure the Pixel Clock for the LCD
* 2) Configure the LTDC Timing and Polarity
* 3) Configure the LTDC Layer 1 :
* - The frame buffer is located at FLASH memory
* - The Layer size configuration : 480x272
*/
static void LCD_Config(void)
{
static LTDC_HandleTypeDef hltdc_F;
LTDC_LayerCfgTypeDef pLayerCfg;
// LTDC Initialization ---------------------------------------------
// Polarity configuration
// Initialize the horizontal synchronization polarity as active low
hltdc_F.Init.HSPolarity = LTDC_HSPOLARITY_AL;
// Initialize the vertical synchronization polarity as active low
hltdc_F.Init.VSPolarity = LTDC_VSPOLARITY_AL;
// Initialize the data enable polarity as active low
hltdc_F.Init.DEPolarity = LTDC_DEPOLARITY_AL;
// Initialize the pixel clock polarity as input pixel clock
hltdc_F.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
// The RK043FN48H LCD 480x272 is selected
// Timing Configuration
hltdc_F.Init.HorizontalSync = (RK043FN48H_HSYNC - 1);
hltdc_F.Init.VerticalSync = (RK043FN48H_VSYNC - 1);
hltdc_F.Init.AccumulatedHBP = (RK043FN48H_HSYNC + RK043FN48H_HBP - 1);
hltdc_F.Init.AccumulatedVBP = (RK043FN48H_VSYNC + RK043FN48H_VBP - 1);
hltdc_F.Init.AccumulatedActiveH = (RK043FN48H_HEIGHT +
RK043FN48H_VSYNC +
RK043FN48H_VBP - 1);
hltdc_F.Init.AccumulatedActiveW = (RK043FN48H_WIDTH +
RK043FN48H_HSYNC +
RK043FN48H_HBP - 1);
hltdc_F.Init.TotalHeigh = (RK043FN48H_HEIGHT + RK043FN48H_VSYNC +
RK043FN48H_VBP + RK043FN48H_VFP - 1);
hltdc_F.Init.TotalWidth = (RK043FN48H_WIDTH + RK043FN48H_HSYNC +
RK043FN48H_HBP + RK043FN48H_HFP - 1);
// Configure R,G,B component values for LCD background color : all
// black background
hltdc_F.Init.Backcolor.Blue = 0;
hltdc_F.Init.Backcolor.Green = 0;
hltdc_F.Init.Backcolor.Red = 0;
hltdc_F.Instance = LTDC;
// Layer1 Configuration -------------------------------------------
// Windowing configuration
/* In this case all the active display area is used to display a
* picture then :
* Horizontal start =
* horizontal synchronization + Horizontal back porch = 43
* Vertical start =
* vertical synchronization + vertical back porch = 12
* Horizontal stop = Horizontal start + window width -1 = 43 + 480 -1
* Vertical stop = Vertical start + window height -1 = 12 + 272 -1
*/
pLayerCfg.WindowX0 = 0;
pLayerCfg.WindowX1 = 480;
pLayerCfg.WindowY0 = 0;
pLayerCfg.WindowY1 = 272;
// Pixel Format configuration
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_RGB565;
// Start Address configuration : frame buffer is located at FLASH memory
pLayerCfg.FBStartAdress = (uint32_t)&RGB565_480x272;
// Alpha constant (255 == totally opaque)
pLayerCfg.Alpha = 255;
// Default Color configuration (configure A,R,G,B component values) :
// no background color
pLayerCfg.Alpha0 = 0; // fully transparent
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
pLayerCfg.ImageWidth = 480;
pLayerCfg.ImageHeight = 272;
if(HAL_LTDC_Init(&hltdc_F) != HAL_OK)
{
Error_Handler();
}
if(HAL_LTDC_ConfigLayer(&hltdc_F, &pLayerCfg, 1) != HAL_OK)
{
Error_Handler();
}
}
/**
* @brief LCD Configuration.
* @note This function Configure the LTDC peripheral :
* 1) Configure the Pixel Clock for the LCD
* 2) Configure the LTDC Timing and Polarity
* 3) Configure the LTDC Layer 1 :
* - ARGB8888 as pixel format
* - The frame buffer is located in internal Flash : original image 300x120 in ARGB8888 format
* - The Layer size configuration : 300x120
* 4) Configure the LTDC Layer 2 :
* - ARGB4444 as pixel format
* - The frame buffer is located at internal SRAM : The output of DMA2D transfer
* - The Layer size configuration : 300x120
* @retval
* None
*/
static void LCD_Config(void)
{
HAL_StatusTypeDef hal_status = HAL_OK;
static LTDC_HandleTypeDef LtdcHandle;
static LTDC_LayerCfgTypeDef pLayerCfg;
static LTDC_LayerCfgTypeDef pLayerCfg1;
/* LTDC Initialization -------------------------------------------------------*/
/* Polarity configuration */
/* Initialize the horizontal synchronization polarity as active low */
LtdcHandle.Init.HSPolarity = LTDC_HSPOLARITY_AL;
/* Initialize the vertical synchronization polarity as active low */
LtdcHandle.Init.VSPolarity = LTDC_VSPOLARITY_AL;
/* Initialize the data enable polarity as active low */
LtdcHandle.Init.DEPolarity = LTDC_DEPOLARITY_AL;
/* Initialize the pixel clock polarity as input pixel clock */
LtdcHandle.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
/* Timing configuration for RK043FN48H 480x272 LCD */
/* Horizontal synchronization width = Hsync - 1 */
LtdcHandle.Init.HorizontalSync = 40;
/* Vertical synchronization height = Vsync - 1 */
LtdcHandle.Init.VerticalSync = 9;
/* Accumulated horizontal back porch = Hsync + HBP - 1 */
LtdcHandle.Init.AccumulatedHBP = 53;
/* Accumulated vertical back porch = Vsync + VBP - 1 */
LtdcHandle.Init.AccumulatedVBP = 11;
/* Accumulated active width = Hsync + HBP + Active Width - 1 */
LtdcHandle.Init.AccumulatedActiveH = 283;
/* Accumulated active height = Vsync + VBP + Active Height - 1 */
LtdcHandle.Init.AccumulatedActiveW = 533;
/* Total height = Vsync + VBP + Active Height + VFP - 1 */
LtdcHandle.Init.TotalHeigh = 285;
/* Total width = Hsync + HBP + Active Width + HFP - 1 */
LtdcHandle.Init.TotalWidth = 565;
/* Configure R,G,B component values for LCD background color */
LtdcHandle.Init.Backcolor.Blue = 0; /* All black background color */
LtdcHandle.Init.Backcolor.Green = 0;
LtdcHandle.Init.Backcolor.Red = 0;
LtdcHandle.Instance = LTDC;
/* Layer1 Configuration ------------------------------------------------------*/
/* Windowing configuration */
/*
WindowX0 = Horizontal start
WindowX1 = Horizontal stop
WindowY0 = Vertical start
WindowY1 = Vertical stop
*/
pLayerCfg.WindowX0 = 90; /* Translation by vector (90, 15) for display on LCD of layer 1 */
pLayerCfg.WindowX1 = 390;
pLayerCfg.WindowY0 = 15;
pLayerCfg.WindowY1 = 135;
/* Pixel Format configuration*/
/* Layer 1 is the original image ARGB8888 of size 300x120 from Flash */
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888;
/* Start Address configuration : frame buffer is located at FLASH memory */
/* Display original buffer from Flash in ARGB8888 on LCD */
pLayerCfg.FBStartAdress = (uint32_t)&ARGB8888_300x120;
/* Alpha constant (255 totally opaque) */
pLayerCfg.Alpha = 255;
/* Default Color configuration (configure A,R,G,B component values) */
pLayerCfg.Alpha0 = 0; /* default color is fully transparent */
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
/* Configure blending factors */
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
/* Configure the number of lines and number of pixels per line */
pLayerCfg.ImageWidth = LAYER_SIZE_X;
pLayerCfg.ImageHeight = LAYER_SIZE_Y;
/* Layer2 Configuration ------------------------------------------------------*/
/* Windowing configuration */
/* In this case all the active display area is used to display a picture */
pLayerCfg1.WindowX0 = 90; /* Translation by vector (90, 137) for display on LCD of layer 2 */
pLayerCfg1.WindowX1 = 390;
pLayerCfg1.WindowY0 = 137;
pLayerCfg1.WindowY1 = 257;
/* Pixel Format configuration*/
pLayerCfg1.PixelFormat = LTDC_PIXEL_FORMAT_ARGB4444;
/* Start Address configuration : frame buffer is located at FLASH memory */
/* This is the output buffer in ARGB4444 of the DMA2D with PFC of original buffer in ARGB8888 from Flash */
pLayerCfg1.FBStartAdress = (uint32_t)&aBufferResult;
/* Alpha constant (255 totally opaque) */
pLayerCfg1.Alpha = 255;
/* Default Color configuration (configure A,R,G,B component values) */
pLayerCfg1.Alpha0 = 0; /* fully transparent */
pLayerCfg1.Backcolor.Blue = 0;
pLayerCfg1.Backcolor.Green = 0;
pLayerCfg1.Backcolor.Red = 0;
/* Configure blending factors */
pLayerCfg1.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
pLayerCfg1.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
/* Configure the number of lines and number of pixels per line */
pLayerCfg1.ImageWidth = LAYER_SIZE_X;
pLayerCfg1.ImageHeight = LAYER_SIZE_Y;
/* Configure the LTDC */
hal_status = HAL_LTDC_Init(&LtdcHandle);
OnError_Handler(hal_status != HAL_OK);
/* Assert display enable LCD_DISP pin */
HAL_GPIO_WritePin(GPIOI, GPIO_PIN_12, GPIO_PIN_SET);
/* Assert backlight LCD_BL_CTRL pin */
HAL_GPIO_WritePin(GPIOK, GPIO_PIN_3, GPIO_PIN_SET);
/* Configure the Background Layer : layer 0 of LTDC : display original image ARGB8888 300x120 */
hal_status = HAL_LTDC_ConfigLayer(&LtdcHandle, &pLayerCfg, 0);
OnError_Handler(hal_status != HAL_OK);
/* Configure the Foreground Layer : layer 1 of LTDC */
/* Which is DMA2D output image in ARGB4444 of size 300x120 */
hal_status = HAL_LTDC_ConfigLayer(&LtdcHandle, &pLayerCfg1, 1);
OnError_Handler(hal_status != HAL_OK);
}
/**
* @brief Initializes the LCD.
* @retval LCD state
*/
uint8_t BSP_LCD_Init(void)
{
/* On STM32F429I-DISCO, it is not possible to read ILI9341 ID because */
/* PIN EXTC is not connected to VDD and then LCD_READ_ID4 is not accessible. */
/* In this case, ReadID function is bypassed.*/
/*if(ili9341_drv.ReadID() == ILI9341_ID)*/
/* LTDC Configuration ----------------------------------------------------*/
LtdcHandler.Instance = LTDC;
/* Timing configuration (Typical configuration from ILI9341 datasheet)
HSYNC=10 (9+1)
HBP=20 (29-10+1)
ActiveW=240 (269-20-10+1)
HFP=10 (279-240-20-10+1)
VSYNC=2 (1+1)
VBP=2 (3-2+1)
ActiveH=320 (323-2-2+1)
VFP=4 (327-320-2-2+1)
*/
/* Configure horizontal synchronization width */
LtdcHandler.Init.HorizontalSync = ILI9341_HSYNC;
/* Configure vertical synchronization height */
LtdcHandler.Init.VerticalSync = ILI9341_VSYNC;
/* Configure accumulated horizontal back porch */
LtdcHandler.Init.AccumulatedHBP = ILI9341_HBP;
/* Configure accumulated vertical back porch */
LtdcHandler.Init.AccumulatedVBP = ILI9341_VBP;
/* Configure accumulated active width */
LtdcHandler.Init.AccumulatedActiveW = 269;
/* Configure accumulated active height */
LtdcHandler.Init.AccumulatedActiveH = 323;
/* Configure total width */
LtdcHandler.Init.TotalWidth = 279;
/* Configure total height */
LtdcHandler.Init.TotalHeigh = 327;
/* Configure R,G,B component values for LCD background color */
LtdcHandler.Init.Backcolor.Red= 0;
LtdcHandler.Init.Backcolor.Blue= 0;
LtdcHandler.Init.Backcolor.Green= 0;
/* 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 = 192/4 = 48 Mhz */
/* LTDC clock frequency = PLLLCDCLK / LTDC_PLLSAI_DIVR_8 = 48/4 = 6Mhz */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
PeriphClkInitStruct.PLLSAI.PLLSAIN = 192;
PeriphClkInitStruct.PLLSAI.PLLSAIR = 4;
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_8;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
/* Polarity */
LtdcHandler.Init.HSPolarity = LTDC_HSPOLARITY_AL;
LtdcHandler.Init.VSPolarity = LTDC_VSPOLARITY_AL;
LtdcHandler.Init.DEPolarity = LTDC_DEPOLARITY_AL;
LtdcHandler.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
BSP_LCD_MspInit();
HAL_LTDC_Init(&LtdcHandler);
/* Select the device */
LcdDrv = &ili9341_drv;
/* LCD Init */
LcdDrv->Init();
/* Initialize the SDRAM */
BSP_SDRAM_Init();
/* Initialize the font */
BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
return LCD_OK;
}
static void LCD_Config(void)
{
LTDC_LayerCfgTypeDef pLayerCfg;
/* LTDC Initialization -------------------------------------------------------*/
/* Polarity configuration */
/* Initialize the horizontal synchronization polarity as active low */
LtdcHandle.Init.HSPolarity = LTDC_HSPOLARITY_AL;
/* Initialize the vertical synchronization polarity as active low */
LtdcHandle.Init.VSPolarity = LTDC_VSPOLARITY_AL;
/* Initialize the data enable polarity as active low */
LtdcHandle.Init.DEPolarity = LTDC_DEPOLARITY_AL;
/* Initialize the pixel clock polarity as input pixel clock */
LtdcHandle.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
/* Timing configuration */
/* Horizontal synchronization width = Hsync - 1 */
LtdcHandle.Init.HorizontalSync = 40;
/* Vertical synchronization height = Vsync - 1 */
LtdcHandle.Init.VerticalSync = 9;
/* Accumulated horizontal back porch = Hsync + HBP - 1 */
LtdcHandle.Init.AccumulatedHBP = 42;
/* Accumulated vertical back porch = Vsync + VBP - 1 */
LtdcHandle.Init.AccumulatedVBP = 11;
/* Accumulated active width = Hsync + HBP + Active Width - 1 */
LtdcHandle.Init.AccumulatedActiveH = 283;
/* Accumulated active height = Vsync + VBP + Active Heigh - 1 */
LtdcHandle.Init.AccumulatedActiveW = 522;
/* Total height = Vsync + VBP + Active Heigh + VFP - 1 */
LtdcHandle.Init.TotalHeigh = 285;
/* Total width = Hsync + HBP + Active Width + HFP - 1 */
LtdcHandle.Init.TotalWidth = 524;
/* Configure R,G,B component values for LCD background color */
LtdcHandle.Init.Backcolor.Blue = 0;
LtdcHandle.Init.Backcolor.Green = 0;
LtdcHandle.Init.Backcolor.Red = 0;
LtdcHandle.Instance = LTDC;
/* Layer1 Configuration ------------------------------------------------------*/
/* Windowing configuration */
/* In this case all the active display area is used to display a picture then :
Horizontal start = horizontal synchronization + Horizontal back porch = 43
Vertical start = vertical synchronization + vertical back porch = 12
Horizontal stop = Horizontal start + window width -1 = 43 + 480 -1
Vertical stop = Vertical start + window height -1 = 12 + 272 -1 */
pLayerCfg.WindowX0 = 0;
pLayerCfg.WindowX1 = 480;
pLayerCfg.WindowY0 = 0;
pLayerCfg.WindowY1 = 272;
/* Pixel Format configuration*/
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB4444;
/* Start Address configuration : frame buffer is located at FLASH memory */
pLayerCfg.FBStartAdress = (uint32_t)&ARGB4444_480x272;
/* Alpha constant (255 totally opaque) */
pLayerCfg.Alpha = 255;
/* Default Color configuration (configure A,R,G,B component values) */
pLayerCfg.Alpha0 = 0;
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
/* Configure blending factors */
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
/* Configure the number of lines and number of pixels per line */
pLayerCfg.ImageWidth = 480;
pLayerCfg.ImageHeight = 272;
/* Configure the LTDC */
if(HAL_LTDC_Init(&LtdcHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Configure the Layer */
if(HAL_LTDC_ConfigLayer(&LtdcHandle, &pLayerCfg, 1) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
}
/**
* @brief LCD Configuration.
* @note This function Configure the LTDC peripheral :
* 1) Configure the Pixel Clock for the LCD
* 2) Configure the LTDC Timing and Polarity
* 3) Configure the LTDC Layer 1 :
* - ARGB8888 as pixel format
* - The frame buffer is located in internal Flash : original image 300x120 in ARGB8888 format
* - The Layer size configuration : 300x120
* 4) Configure the LTDC Layer 2 :
* - ARGB4444 as pixel format
* - The frame buffer is located at internal SRAM : The output of DMA2D transfer
* - The Layer size configuration : 300x120
* @retval
* None
*/
static void LCD_Config(void)
{
static LTDC_HandleTypeDef LtdcHandle;
static LTDC_LayerCfgTypeDef pLayerCfg;
static LTDC_LayerCfgTypeDef pLayerCfg1;
/* LTDC Initialization -------------------------------------------------------*/
/* Polarity configuration */
/* Initialize the horizontal synchronization polarity as active low */
LtdcHandle.Init.HSPolarity = LTDC_HSPOLARITY_AL;
/* Initialize the vertical synchronization polarity as active low */
LtdcHandle.Init.VSPolarity = LTDC_VSPOLARITY_AL;
/* Initialize the data enable polarity as active low */
LtdcHandle.Init.DEPolarity = LTDC_DEPOLARITY_AL;
/* Initialize the pixel clock polarity as input pixel clock */
LtdcHandle.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
/* Timing configuration */
if(stmpe811_ts_drv.ReadID(TS_I2C_ADDRESS) == STMPE811_ID)
{
/* The AMPIRE LCD 480x272 is selected */
/* Timing Configuration */
LtdcHandle.Init.HorizontalSync = (AMPIRE480272_HSYNC - 1);
LtdcHandle.Init.VerticalSync = (AMPIRE480272_VSYNC - 1);
LtdcHandle.Init.AccumulatedHBP = (AMPIRE480272_HSYNC + AMPIRE480272_HBP - 1);
LtdcHandle.Init.AccumulatedVBP = (AMPIRE480272_VSYNC + AMPIRE480272_VBP - 1);
LtdcHandle.Init.AccumulatedActiveH = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE480272_VBP - 1);
LtdcHandle.Init.AccumulatedActiveW = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE480272_HBP - 1);
LtdcHandle.Init.TotalHeigh = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE480272_VBP + AMPIRE480272_VFP - 1);
LtdcHandle.Init.TotalWidth = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE480272_HBP + AMPIRE480272_HFP - 1);
}
else
{
/* The AMPIRE LCD 640x480 is selected */
/* Timing configuration */
LtdcHandle.Init.HorizontalSync = (AMPIRE640480_HSYNC - 1);
LtdcHandle.Init.VerticalSync = (AMPIRE640480_VSYNC - 1);
LtdcHandle.Init.AccumulatedHBP = (AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
LtdcHandle.Init.AccumulatedVBP = (AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
LtdcHandle.Init.AccumulatedActiveH = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
LtdcHandle.Init.AccumulatedActiveW = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
LtdcHandle.Init.TotalHeigh = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP + AMPIRE640480_VFP - 1);
LtdcHandle.Init.TotalWidth = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP + AMPIRE640480_HFP - 1);
}
/* Configure R,G,B component values for LCD background color */
LtdcHandle.Init.Backcolor.Blue = 0; /* All black background color */
LtdcHandle.Init.Backcolor.Green = 0;
LtdcHandle.Init.Backcolor.Red = 0;
LtdcHandle.Instance = LTDC;
/* Layer1 Configuration ------------------------------------------------------*/
/* Windowing configuration */
/*
WindowX0 = Horizontal start
WindowX1 = Horizontal stop
WindowY0 = Vertical start
WindowY1 = Vertical stop
*/
pLayerCfg.WindowX0 = 170; /* Translation by vector (90, 15) for display on LCD of layer 1 */
pLayerCfg.WindowX1 = 470;
pLayerCfg.WindowY0 = 115;
pLayerCfg.WindowY1 = 235;
/* Pixel Format configuration*/
/* Layer 1 is the original image ARGB8888 of size 300x120 from Flash */
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888;
/* Start Address configuration : frame buffer is located at FLASH memory */
/* Display original buffer from Flash in ARGB8888 on LCD */
pLayerCfg.FBStartAdress = (uint32_t)&ARGB8888_300x120;
/* Alpha constant (255 totally opaque) */
pLayerCfg.Alpha = 255;
/* Default Color configuration (configure A,R,G,B component values) */
pLayerCfg.Alpha0 = 0; /* default color is fully transparent */
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
/* Configure blending factors */
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
/* Configure the number of lines and number of pixels per line */
pLayerCfg.ImageWidth = LAYER_SIZE_X;
pLayerCfg.ImageHeight = LAYER_SIZE_Y;
/* Layer2 Configuration ------------------------------------------------------*/
/* Windowing configuration */
/* In this case all the active display area is used to display a picture */
pLayerCfg1.WindowX0 = 170; /* Translation by vector (90, 137) for display on LCD of layer 2 */
pLayerCfg1.WindowX1 = 470;
pLayerCfg1.WindowY0 = 237;
pLayerCfg1.WindowY1 = 357;
/* Pixel Format configuration*/
pLayerCfg1.PixelFormat = LTDC_PIXEL_FORMAT_ARGB4444;
/* Start Address configuration : frame buffer is located at FLASH memory */
/* This is the output buffer in ARGB4444 of the DMA2D with PFC of original buffer in ARGB8888 from Flash */
pLayerCfg1.FBStartAdress = (uint32_t)&aBufferResult;
/* Alpha constant (255 totally opaque) */
pLayerCfg1.Alpha = 255;
/* Default Color configuration (configure A,R,G,B component values) */
pLayerCfg1.Alpha0 = 0; /* fully transparent */
pLayerCfg1.Backcolor.Blue = 0;
pLayerCfg1.Backcolor.Green = 0;
pLayerCfg1.Backcolor.Red = 0;
/* Configure blending factors */
pLayerCfg1.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
pLayerCfg1.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
/* Configure the number of lines and number of pixels per line */
pLayerCfg1.ImageWidth = LAYER_SIZE_X;
pLayerCfg1.ImageHeight = LAYER_SIZE_Y;
/* Configure the LTDC */
if(HAL_LTDC_Init(&LtdcHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Configure the Background Layer : layer 0 of LTDC : display orginal image ARGB8888 300x120 */
if(HAL_LTDC_ConfigLayer(&LtdcHandle, &pLayerCfg, 0) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Configure the Foreground Layer : layer 1 of LTDC */
/* Which is DMA2D output image in ARGB4444 of size 300x120 */
if(HAL_LTDC_ConfigLayer(&LtdcHandle, &pLayerCfg1, 1) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
}
/**
* @brief LCD Configuration.
* @note This function Configure the LTDC peripheral :
* 1) Configure the Pixel Clock for the LCD
* 2) Configure the LTDC Timing and Polarity
* 3) Configure the LTDC Layer 1 :
* - direct color (RGB565) as pixel format
* - The frame buffer is located at FLASH memory
* - The Layer size configuration : 240x160
* 4) Configure the LTDC Layer 2 :
* - direct color (RGB565) as pixel format
* - The frame buffer is located at FLASH memory
* - The Layer size configuration : 240x160
* @retval
* None
*/
static void LCD_Config(void)
{
LTDC_LayerCfgTypeDef pLayerCfg;
LTDC_LayerCfgTypeDef pLayerCfg1;
/* Initialization of ILI9341 component*/
ili9341_Init();
/* LTDC Initialization -------------------------------------------------------*/
/* Polarity configuration */
/* Initialize the horizontal synchronization polarity as active low */
LtdcHandle.Init.HSPolarity = LTDC_HSPOLARITY_AL;
/* Initialize the vertical synchronization polarity as active low */
LtdcHandle.Init.VSPolarity = LTDC_VSPOLARITY_AL;
/* Initialize the data enable polarity as active low */
LtdcHandle.Init.DEPolarity = LTDC_DEPOLARITY_AL;
/* Initialize the pixel clock polarity as input pixel clock */
LtdcHandle.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
/* Timing configuration (Typical configuration from ILI9341 datasheet)
HSYNC=10 (9+1)
HBP=20 (29-10+1)
ActiveW=240 (269-20-10+1)
HFP=10 (279-240-20-10+1)
VSYNC=2 (1+1)
VBP=2 (3-2+1)
ActiveH=320 (323-2-2+1)
VFP=4 (327-320-2-2+1)
*/
/* Timing configuration */
/* Horizontal synchronization width = Hsync - 1 */
LtdcHandle.Init.HorizontalSync = 9;
/* Vertical synchronization height = Vsync - 1 */
LtdcHandle.Init.VerticalSync = 1;
/* Accumulated horizontal back porch = Hsync + HBP - 1 */
LtdcHandle.Init.AccumulatedHBP = 29;
/* Accumulated vertical back porch = Vsync + VBP - 1 */
LtdcHandle.Init.AccumulatedVBP = 3;
/* Accumulated active width = Hsync + HBP + Active Width - 1 */
LtdcHandle.Init.AccumulatedActiveH = 323;
/* Accumulated active height = Vsync + VBP + Active Heigh - 1 */
LtdcHandle.Init.AccumulatedActiveW = 269;
/* Total height = Vsync + VBP + Active Heigh + VFP - 1 */
LtdcHandle.Init.TotalHeigh = 327;
/* Total width = Hsync + HBP + Active Width + HFP - 1 */
LtdcHandle.Init.TotalWidth = 279;
/* Configure R,G,B component values for LCD background color */
LtdcHandle.Init.Backcolor.Blue = 0;
LtdcHandle.Init.Backcolor.Green = 0;
LtdcHandle.Init.Backcolor.Red = 0;
LtdcHandle.Instance = LTDC;
/* Layer1 Configuration ------------------------------------------------------*/
/* Windowing configuration */
pLayerCfg.WindowX0 = 0;
pLayerCfg.WindowX1 = 240;
pLayerCfg.WindowY0 = 0;
pLayerCfg.WindowY1 = 160;
/* Pixel Format configuration*/
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_RGB565;
/* Start Address configuration : frame buffer is located at FLASH memory */
pLayerCfg.FBStartAdress = (uint32_t)&ST_LOGO_1;
/* Alpha constant (255 totally opaque) */
pLayerCfg.Alpha = 255;
/* Default Color configuration (configure A,R,G,B component values) */
pLayerCfg.Alpha0 = 0;
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
/* Configure blending factors */
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
/* Configure the number of lines and number of pixels per line */
pLayerCfg.ImageWidth = 240;
pLayerCfg.ImageHeight = 160;
/* Layer2 Configuration ------------------------------------------------------*/
/* Windowing configuration */
pLayerCfg1.WindowX0 = 0;
pLayerCfg1.WindowX1 = 240;
pLayerCfg1.WindowY0 = 160;
pLayerCfg1.WindowY1 = 320;
/* Pixel Format configuration*/
pLayerCfg1.PixelFormat = LTDC_PIXEL_FORMAT_RGB565;
/* Start Address configuration : frame buffer is located at FLASH memory */
pLayerCfg1.FBStartAdress = (uint32_t)&ST_LOGO_2;
/* Alpha constant (255 totally opaque) */
pLayerCfg1.Alpha = 200;
/* Default Color configuration (configure A,R,G,B component values) */
pLayerCfg1.Alpha0 = 0;
pLayerCfg1.Backcolor.Blue = 0;
pLayerCfg1.Backcolor.Green = 0;
pLayerCfg1.Backcolor.Red = 0;
/* Configure blending factors */
pLayerCfg1.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
pLayerCfg1.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
/* Configure the number of lines and number of pixels per line */
pLayerCfg1.ImageWidth = 240;
pLayerCfg1.ImageHeight = 160;
/* Configure the LTDC */
if(HAL_LTDC_Init(&LtdcHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Configure the Background Layer*/
if(HAL_LTDC_ConfigLayer(&LtdcHandle, &pLayerCfg, 0) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Configure the Foreground Layer*/
if(HAL_LTDC_ConfigLayer(&LtdcHandle, &pLayerCfg1, 1) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
}
/* LTDC init function */
void MX_LTDC_Init(void)
{
LTDC_LayerCfgTypeDef pLayerCfg;
LTDC_LayerCfgTypeDef pLayerCfg1;
/* Timing configuration (Typical configuration from ILI9341 datasheet)
HSYNC=10 (9+1)
HBP=20 (29-10+1)
ActiveW=240 (269-20-10+1)
HFP=10 (279-240-20-10+1)
VSYNC=2 (1+1)
VBP=2 (3-2+1)
ActiveH=320 (323-2-2+1)
VFP=4 (327-320-2-2+1)
*/
hltdc.Instance = LTDC;
hltdc.Init.HSPolarity = LTDC_HSPOLARITY_AL;
hltdc.Init.VSPolarity = LTDC_VSPOLARITY_AL;
hltdc.Init.DEPolarity = LTDC_DEPOLARITY_AL;
hltdc.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
/* Configure horizontal synchronization width */
hltdc.Init.HorizontalSync = ILI9341_HSYNC;
/* Configure vertical synchronization height */
hltdc.Init.VerticalSync = ILI9341_VSYNC;
/* Configure accumulated horizontal back porch */
hltdc.Init.AccumulatedHBP = ILI9341_HBP;
/* Configure accumulated vertical back porch */
hltdc.Init.AccumulatedVBP = ILI9341_VBP;
/* Configure accumulated active width */
hltdc.Init.AccumulatedActiveW = 269;
/* Configure accumulated active height */
hltdc.Init.AccumulatedActiveH = 323;
/* Configure total width */
hltdc.Init.TotalWidth = 279;
/* Configure total height */
hltdc.Init.TotalHeigh = 327;
/* LCD clock configuration */
//elsewhere. Choose 6MHz.
/* Configure R,G,B component values for LCD background color */
hltdc.Init.Backcolor.Blue = 0x0;
hltdc.Init.Backcolor.Green = 0xFF;
hltdc.Init.Backcolor.Red = 0x0;
HAL_LTDC_Init(&hltdc);
pLayerCfg.WindowX0 = 0;
pLayerCfg.WindowX1 = 0;
pLayerCfg.WindowY0 = 0;
pLayerCfg.WindowY1 = 0;
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888;
pLayerCfg.Alpha = 0;
pLayerCfg.Alpha0 = 0;
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
pLayerCfg.FBStartAdress = 0;
pLayerCfg.ImageWidth = 0;
pLayerCfg.ImageHeight = 0;
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
HAL_LTDC_ConfigLayer(&hltdc, &pLayerCfg, 0);
pLayerCfg1.WindowX0 = 0;
pLayerCfg1.WindowX1 = 0;
pLayerCfg1.WindowY0 = 0;
pLayerCfg1.WindowY1 = 0;
pLayerCfg1.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888;
pLayerCfg1.Alpha = 0;
pLayerCfg1.Alpha0 = 0;
pLayerCfg1.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg1.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
pLayerCfg1.FBStartAdress = 0;
pLayerCfg1.ImageWidth = 0;
pLayerCfg1.ImageHeight = 0;
pLayerCfg1.Backcolor.Blue = 0;
pLayerCfg1.Backcolor.Green = 0;
pLayerCfg1.Backcolor.Red = 0;
HAL_LTDC_ConfigLayer(&hltdc, &pLayerCfg1, 1);
}
/**
* @brief Initializes the LCD.
* @param None
* @retval LCD state
*/
uint8_t BSP_LCD_Init(void)
{
static RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
/* Select the used LCD */
/* The AMPIRE 480x272 does not contain an ID register then we check the availability
of AMPIRE 480x640 LCD using device ID of the STMPE811 mounted on MB1046 daughter board */
if(stmpe811_ts_drv.ReadID(TS_I2C_ADDRESS) == STMPE811_ID)
{
/* The AMPIRE LCD 480x272 is selected */
/* Timing Configuration */
hltdc_eval.Init.HorizontalSync = (AMPIRE480272_HSYNC - 1);
hltdc_eval.Init.VerticalSync = (AMPIRE480272_VSYNC - 1);
hltdc_eval.Init.AccumulatedHBP = (AMPIRE480272_HSYNC + AMPIRE480272_HBP - 1);
hltdc_eval.Init.AccumulatedVBP = (AMPIRE480272_VSYNC + AMPIRE480272_VBP - 1);
hltdc_eval.Init.AccumulatedActiveH = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE640480_VBP - 1);
hltdc_eval.Init.AccumulatedActiveW = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE640480_HBP - 1);
hltdc_eval.Init.TotalHeigh = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE480272_VBP + AMPIRE480272_VFP - 1);
hltdc_eval.Init.TotalWidth = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE480272_HBP + AMPIRE480272_HFP - 1);
/* 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 = AMPIRE480272_FREQUENCY_DIVIDER;
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_4;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
/* Initialize the LCD pixel width and pixel height */
hltdc_eval.LayerCfg->ImageWidth = AMPIRE480272_WIDTH;
hltdc_eval.LayerCfg->ImageHeight = AMPIRE480272_HEIGHT;
}
else
{
/* The LCD AMPIRE 640x480 is selected */
/* Timing configuration */
hltdc_eval.Init.HorizontalSync = (AMPIRE640480_HSYNC - 1);
hltdc_eval.Init.VerticalSync = (AMPIRE640480_VSYNC - 1);
hltdc_eval.Init.AccumulatedHBP = (AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
hltdc_eval.Init.AccumulatedVBP = (AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
hltdc_eval.Init.AccumulatedActiveH = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
hltdc_eval.Init.AccumulatedActiveW = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
hltdc_eval.Init.TotalHeigh = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP + AMPIRE640480_VFP - 1);
hltdc_eval.Init.TotalWidth = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP + AMPIRE640480_HFP - 1);
/* LCD clock configuration */
/* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 Mhz */
/* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN = 108 Mhz */
/* PLLLCDCLK = PLLSAI_VCO Output/PLLSAIR = 108/3 = 36 Mhz */
/* LTDC clock frequency = PLLLCDCLK / LTDC_PLLSAI_DIVR_2 = 36/2 = 18 Mhz */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
PeriphClkInitStruct.PLLSAI.PLLSAIN = 108;
PeriphClkInitStruct.PLLSAI.PLLSAIR = AMPIRE640480_FREQUENCY_DIVIDER;
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_2;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
/* Initialize the LCD pixel width and pixel height */
hltdc_eval.LayerCfg->ImageWidth = AMPIRE640480_WIDTH;
hltdc_eval.LayerCfg->ImageHeight = AMPIRE640480_HEIGHT;
}
/* Background value */
hltdc_eval.Init.Backcolor.Blue = 0;
hltdc_eval.Init.Backcolor.Green = 0;
hltdc_eval.Init.Backcolor.Red = 0;
/* Polarity */
hltdc_eval.Init.HSPolarity = LTDC_HSPOLARITY_AL;
hltdc_eval.Init.VSPolarity = LTDC_VSPOLARITY_AL;
hltdc_eval.Init.DEPolarity = LTDC_DEPOLARITY_AL;
hltdc_eval.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
hltdc_eval.Instance = LTDC;
MspInit();
HAL_LTDC_Init(&hltdc_eval);
#if !defined(DATA_IN_ExtSDRAM)
/* Initialize the SDRAM */
BSP_SDRAM_Init();
#endif /* DATA_IN_ExtSDRAM */
/* Initialize the font */
BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
return LCD_OK;
}
/**
* @brief LCD configuration.
* @note This function Configure the LTDC peripheral :
* 1) Configure the Pixel Clock for the LCD
* 2) Configure the LTDC Timing and Polarity
* 3) Configure the LTDC Layer 1 :
* - The frame buffer is located in FLASH memory
* - The Layer size configuration : 480x272 and format ARGB4444 (16 bits/pixel)
* 4) Configure the Color Keying for Layer 1.
* @retval
* None
*/
static void LCD_Config(void)
{
LTDC_LayerCfgTypeDef pLayerCfg;
/* LTDC Initialization -------------------------------------------------------*/
/* Polarity configuration */
/* Initialize the horizontal synchronization polarity as active low */
LtdcHandle.Init.HSPolarity = LTDC_HSPOLARITY_AL;
/* Initialize the vertical synchronization polarity as active low */
LtdcHandle.Init.VSPolarity = LTDC_VSPOLARITY_AL;
/* Initialize the data enable polarity as active low */
LtdcHandle.Init.DEPolarity = LTDC_DEPOLARITY_AL;
/* Initialize the pixel clock polarity as input pixel clock */
LtdcHandle.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
/* Timing configuration */
if(stmpe811_ts_drv.ReadID(TS_I2C_ADDRESS) == STMPE811_ID)
{
/* The AMPIRE LCD 480x272 is selected */
/* Timing Configuration */
LtdcHandle.Init.HorizontalSync = (AMPIRE480272_HSYNC - 1);
LtdcHandle.Init.VerticalSync = (AMPIRE480272_VSYNC - 1);
LtdcHandle.Init.AccumulatedHBP = (AMPIRE480272_HSYNC + AMPIRE480272_HBP - 1);
LtdcHandle.Init.AccumulatedVBP = (AMPIRE480272_VSYNC + AMPIRE480272_VBP - 1);
LtdcHandle.Init.AccumulatedActiveH = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE480272_VBP - 1);
LtdcHandle.Init.AccumulatedActiveW = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE480272_HBP - 1);
LtdcHandle.Init.TotalHeigh = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE480272_VBP + AMPIRE480272_VFP - 1);
LtdcHandle.Init.TotalWidth = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE480272_HBP + AMPIRE480272_HFP - 1);
}
else
{
/* The LCD AMPIRE 640x480 is selected */
/* Timing configuration */
LtdcHandle.Init.HorizontalSync = (AMPIRE640480_HSYNC - 1);
LtdcHandle.Init.VerticalSync = (AMPIRE640480_VSYNC - 1);
LtdcHandle.Init.AccumulatedHBP = (AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
LtdcHandle.Init.AccumulatedVBP = (AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
LtdcHandle.Init.AccumulatedActiveH = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
LtdcHandle.Init.AccumulatedActiveW = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
LtdcHandle.Init.TotalHeigh = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP + AMPIRE640480_VFP - 1);
LtdcHandle.Init.TotalWidth = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP + AMPIRE640480_HFP - 1);
}
/* Configure R,G,B component values for LCD background color : all black */
LtdcHandle.Init.Backcolor.Blue = 0;
LtdcHandle.Init.Backcolor.Green = 0;
LtdcHandle.Init.Backcolor.Red = 0;
LtdcHandle.Instance = LTDC;
/* Layer1 Configuration ------------------------------------------------------*/
/* Windowing configuration */
/* In this case all the active display area is used to display a picture then :
Horizontal start = horizontal synchronization + Horizontal back porch = 43
Vertical start = vertical synchronization + vertical back porch = 12
Horizontal stop = Horizontal start + window width -1 = 43 + 480 -1
Vertical stop = Vertical start + window height -1 = 12 + 272 -1 */
pLayerCfg.WindowX0 = 0;
pLayerCfg.WindowX1 = 480;
pLayerCfg.WindowY0 = 0;
pLayerCfg.WindowY1 = 272;
/* Pixel Format configuration */
pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB4444;
/* Start Address configuration : frame buffer is located in FLASH memory */
pLayerCfg.FBStartAdress = (uint32_t)&ARGB4444_480x272;
/* Alpha constant (255 totally opaque) */
pLayerCfg.Alpha = 255;
/* Default Color configuration (configure A,R,G,B component values) */
/* default color == all transparent pixel */
pLayerCfg.Alpha0 = 0; /* completely transparent */
pLayerCfg.Backcolor.Blue = 0;
pLayerCfg.Backcolor.Green = 0;
pLayerCfg.Backcolor.Red = 0;
/* Configure blending factors */
pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_CA;
pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_CA;
/* Configure the number of lines and number of pixels per line */
pLayerCfg.ImageWidth = 480;
pLayerCfg.ImageHeight = 272;
/* Configure the LTDC */
if(HAL_LTDC_Init(&LtdcHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
/* Configure the Layer 1 */
if(HAL_LTDC_ConfigLayer(&LtdcHandle, &pLayerCfg, LTDC_LAYER_1) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
}
static uint8_t LCD_Init(void)
{
DSI_PLLInitTypeDef dsiPllInit;
static RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
uint32_t LcdClock = 19200;
uint32_t Clockratio = 0;
uint32_t laneByteClk_kHz = 0;
uint32_t VSA; /*!< Vertical start active time in units of lines */
uint32_t VBP; /*!< Vertical Back Porch time in units of lines */
uint32_t VFP; /*!< Vertical Front Porch time in units of lines */
uint32_t VACT; /*!< Vertical Active time in units of lines = imageSize Y in pixels to display */
uint32_t HSA; /*!< Horizontal start active time in units of lcdClk */
uint32_t HBP; /*!< Horizontal Back Porch time in units of lcdClk */
uint32_t HFP; /*!< Horizontal Front Porch time in units of lcdClk */
uint32_t HACT; /*!< Horizontal Active time in units of lcdClk = imageSize X in pixels to display */
/* Toggle Hardware Reset of the DSI LCD using
* its XRES signal (active low) */
BSP_LCD_Reset();
/* Call first MSP Initialize only in case of first initialization
* This will set IP blocks LTDC, DSI and DMA2D
* - out of reset
* - clocked
* - NVIC IRQ related to IP blocks enabled
*/
BSP_LCD_MspInit();
/*************************DSI Initialization***********************************/
/* Base address of DSI Host/Wrapper registers to be set before calling De-Init */
hdsi_eval.Instance = DSI;
HAL_DSI_DeInit(&(hdsi_eval));
#if !defined(USE_STM32469I_DISCO_REVA)
dsiPllInit.PLLNDIV = 125;
dsiPllInit.PLLIDF = DSI_PLL_IN_DIV2;
dsiPllInit.PLLODF = DSI_PLL_OUT_DIV1;
#else
dsiPllInit.PLLNDIV = 100;
dsiPllInit.PLLIDF = DSI_PLL_IN_DIV5;
dsiPllInit.PLLODF = DSI_PLL_OUT_DIV1;
#endif
laneByteClk_kHz = 62500; /* 500 MHz / 8 = 62.5 MHz = 62500 kHz */
/* Set number of Lanes */
hdsi_eval.Init.NumberOfLanes = DSI_TWO_DATA_LANES;
/* TXEscapeCkdiv = f(LaneByteClk)/15.62 = 4 */
hdsi_eval.Init.TXEscapeCkdiv = laneByteClk_kHz/15620;
HAL_DSI_Init(&(hdsi_eval), &(dsiPllInit));
Clockratio = laneByteClk_kHz/LcdClock;
/* Timing parameters for all Video modes
* Set Timing parameters of LTDC */
/* lcd_orientation == LCD_ORIENTATION_LANDSCAPE */
VSA = OTM8009A_800X480_VSYNC; /* 12 */
VBP = OTM8009A_800X480_VBP; /* 12 */
VFP = OTM8009A_800X480_VFP; /* 12 */
HSA = OTM8009A_800X480_HSYNC; /* 120 */
HBP = OTM8009A_800X480_HBP; /* 120 */
HFP = OTM8009A_800X480_HFP; /* 120 */
HACT = OTM8009A_800X480_WIDTH; /* 800 */
VACT = OTM8009A_800X480_HEIGHT; /* 480 */
hdsivideo_handle.VirtualChannelID = LCD_OTM8009A_ID;
hdsivideo_handle.ColorCoding = LCD_DSI_PIXEL_DATA_FMT_RBG888;
hdsivideo_handle.VSPolarity = DSI_VSYNC_ACTIVE_HIGH;
hdsivideo_handle.HSPolarity = DSI_HSYNC_ACTIVE_HIGH;
hdsivideo_handle.DEPolarity = DSI_DATA_ENABLE_ACTIVE_HIGH;
hdsivideo_handle.Mode = DSI_VID_MODE_BURST; /* Mode Video burst ie : one LgP per line */
hdsivideo_handle.NullPacketSize = 0xFFF;
hdsivideo_handle.NumberOfChunks = 0;
hdsivideo_handle.PacketSize = HACT; /* Value depending on display orientation choice portrait/landscape */
hdsivideo_handle.HorizontalSyncActive = HSA*Clockratio;
hdsivideo_handle.HorizontalBackPorch = HBP*Clockratio;
hdsivideo_handle.HorizontalLine = (HACT + HSA + HBP + HFP)*Clockratio; /* Value depending on display orientation choice portrait/landscape */
hdsivideo_handle.VerticalSyncActive = VSA;
hdsivideo_handle.VerticalBackPorch = VBP;
hdsivideo_handle.VerticalFrontPorch = VFP;
hdsivideo_handle.VerticalActive = VACT; /* Value depending on display orientation choice portrait/landscape */
/* Enable or disable sending LP command while streaming is active in video mode */
hdsivideo_handle.LPCommandEnable = DSI_LP_COMMAND_ENABLE; /* Enable sending commands in mode LP (Low Power) */
/* Largest packet size possible to transmit in LP mode in VSA, VBP, VFP regions */
/* Only useful when sending LP packets is allowed while streaming is active in video mode */
hdsivideo_handle.LPLargestPacketSize = 64;
/* Largest packet size possible to transmit in LP mode in HFP region during VACT period */
/* Only useful when sending LP packets is allowed while streaming is active in video mode */
hdsivideo_handle.LPVACTLargestPacketSize = 64;
/* Specify for each region of the video frame, if the transmission of command in LP mode is allowed in this region */
/* while streaming is active in video mode */
hdsivideo_handle.LPHorizontalFrontPorchEnable = DSI_LP_HFP_ENABLE; /* Allow sending LP commands during HFP period */
hdsivideo_handle.LPHorizontalBackPorchEnable = DSI_LP_HBP_ENABLE; /* Allow sending LP commands during HBP period */
hdsivideo_handle.LPVerticalActiveEnable = DSI_LP_VACT_ENABLE; /* Allow sending LP commands during VACT period */
hdsivideo_handle.LPVerticalFrontPorchEnable = DSI_LP_VFP_ENABLE; /* Allow sending LP commands during VFP period */
hdsivideo_handle.LPVerticalBackPorchEnable = DSI_LP_VBP_ENABLE; /* Allow sending LP commands during VBP period */
hdsivideo_handle.LPVerticalSyncActiveEnable = DSI_LP_VSYNC_ENABLE; /* Allow sending LP commands during VSync = VSA period */
/* Configure DSI Video mode timings with settings set above */
HAL_DSI_ConfigVideoMode(&(hdsi_eval), &(hdsivideo_handle));
/* Enable the DSI host and wrapper : but LTDC is not started yet at this stage */
HAL_DSI_Start(&(hdsi_eval));
/*************************End DSI Initialization*******************************/
/************************LTDC Initialization***********************************/
/* Timing Configuration */
hltdc_eval.Init.HorizontalSync = (HSA - 1);
hltdc_eval.Init.AccumulatedHBP = (HSA + HBP - 1);
hltdc_eval.Init.AccumulatedActiveW = (HACT + HSA + HBP - 1);
hltdc_eval.Init.TotalWidth = (HACT + HSA + HBP + HFP - 1);
/* Initialize the LCD pixel width and pixel height */
hltdc_eval.LayerCfg->ImageWidth = HACT;
hltdc_eval.LayerCfg->ImageHeight = VACT;
/* LCD clock configuration */
/* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 Mhz */
/* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN = 384 Mhz */
/* PLLLCDCLK = PLLSAI_VCO Output/PLLSAIR = 384 MHz / 7 = 54.857 MHz */
/* LTDC clock frequency = PLLLCDCLK / LTDC_PLLSAI_DIVR_2 = 54.857 MHz / 2 = 27.429 MHz */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
PeriphClkInitStruct.PLLSAI.PLLSAIN = 384;
PeriphClkInitStruct.PLLSAI.PLLSAIR = 5;
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_4;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
/* Background value */
hltdc_eval.Init.Backcolor.Blue = 0;
hltdc_eval.Init.Backcolor.Green = 0;
hltdc_eval.Init.Backcolor.Red = 0;
hltdc_eval.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
hltdc_eval.Instance = LTDC;
/* Get LTDC Configuration from DSI Configuration */
HAL_LTDC_StructInitFromVideoConfig(&(hltdc_eval), &(hdsivideo_handle));
/* Initialize the LTDC */
HAL_LTDC_Init(&hltdc_eval);
#if !defined(DATA_IN_ExtSDRAM)
/* Initialize the SDRAM */
BSP_SDRAM_Init();
#endif /* DATA_IN_ExtSDRAM */
/* Initialize the font */
BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
/************************End LTDC Initialization*******************************/
/***********************OTM8009A Initialization********************************/
/* Initialize the OTM8009A LCD Display IC Driver (KoD LCD IC Driver)
* depending on configuration set in 'hdsivideo_handle'.
*/
OTM8009A_Init(hdsivideo_handle.ColorCoding, LCD_ORIENTATION_LANDSCAPE);
/***********************End OTM8009A Initialization****************************/
return LCD_OK;
}
