/********************************************************************* * Portions COPYRIGHT(c) 2016 STMicroelectronics * * Portions SEGGER Microcontroller GmbH & Co. KG * * Solutions for real time microcontroller applications * ********************************************************************** * * * (c) 1996 - 2015 SEGGER Microcontroller GmbH & Co. KG * * * * Internet: www.segger.com Support: support@segger.com * * * ********************************************************************** ** emWin V5.24 - Graphical user interface for embedded applications ** All Intellectual Property rights in the Software belongs to SEGGER. emWin is protected by international copyright laws. Knowledge of the source code may not be used to write a similar product. This file may only be used in accordance with the following terms: The software has been licensed to STMicroelectronics International N.V. a Dutch company with a Swiss branch and its headquarters in Plan- les-Ouates, Geneva, 39 Chemin du Champ des Filles, Switzerland for the purposes of creating libraries for ARM Cortex-M-based 32-bit microcon_ troller products commercialized by Licensee only, sublicensed and dis_ tributed under the terms and conditions of the End User License Agree_ ment supplied by STMicroelectronics International N.V. Full source code is available at: www.segger.com We appreciate your understanding and fairness. ---------------------------------------------------------------------- File : LCDConf.c Purpose : Display controller configuration (single layer) ---------------------------END-OF-HEADER------------------------------ *//* ... */ /** ****************************************************************************** * @file LCDConf_stm32469i_discovery.c * @author MCD Application Team * @brief Driver for STM32469I-Discovery board LCD ****************************************************************************** * @attention * * Copyright (c) 2017 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** *//* ... */ /* Includes ------------------------------------------------------------------*/ #include "LCDConf.h" #include "GUI_Private.h" /** @addtogroup LCD CONFIGURATION * @{ *//* ... */ /** @defgroup LCD CONFIGURATION * @brief This file contains the LCD Configuration * @{ *//* ... */ /** @defgroup LCD CONFIGURATION_Private_TypesDefinitions * @{ *//* ... */ /** * @} *//* ... */ /** @defgroup LCD CONFIGURATION_Private_Defines * @{ *//* ... */ #undef LCD_SWAP_XY #undef LCD_MIRROR_Y #define LCD_SWAP_XY 1 #define LCD_MIRROR_Y 1 #define XSIZE_PHYS 800 #define YSIZE_PHYS 480 #define ZONES 4 #define VSYNC 1 #define VBP 1 #define VFP 1 #define VACT YSIZE_PHYS #define HSYNC 1 #define HBP 1 #define HFP 1 #define HACT XSIZE_PHYS/ZONES /* !!!! SCREEN DIVIDED INTO 4 AREAS !!!! */ #define NUM_BUFFERS 3 /* Number of multiple buffers to be used */ #define NUM_VSCREENS 1 /* Number of virtual screens to be used */ #define BK_COLOR GUI_DARKBLUE 16 defines #undef GUI_NUM_LAYERS #define GUI_NUM_LAYERS 1 #define COLOR_CONVERSION_0 GUICC_M565 #define DISPLAY_DRIVER_0 GUIDRV_LIN_16 #if (GUI_NUM_LAYERS > 1) #define COLOR_CONVERSION_1 GUICC_M1555I #define DISPLAY_DRIVER_1 GUIDRV_LIN_16 /* ... */ #endif #ifndef XSIZE_PHYS #error Physical X size of display is not defined! #endif #ifndef YSIZE_PHYS #error Physical Y size of display is not defined! #endif #ifndef NUM_VSCREENS #define NUM_VSCREENS 1 #else #if (NUM_VSCREENS <= 0) #error At least one screeen needs to be defined! #endif/* ... */ #endif #if (NUM_VSCREENS > 1) && (NUM_BUFFERS > 1) #error Virtual screens and multiple buffers are not allowed! #endif #define LCD_LAYER0_FRAME_BUFFER ((uint32_t)0xC0000000) #define LCD_LAYER1_FRAME_BUFFER ((uint32_t)0xC0400000) /** * @} *//* ... */ #define __DSI_MASK_TE() (GPIOJ->AFR[0] &= (0xFFFFF0FFU)) /* Mask DSI TearingEffect Pin*/ #define __DSI_UNMASK_TE() (GPIOJ->AFR[0] |= ((uint32_t)(GPIO_AF13_DSI) << 8)) /* UnMask DSI TearingEffect Pin*/ /** * @} *//* ... */ /** @defgroup LCD CONFIGURATION_Private_Variables * @{ *//* ... */ LTDC_HandleTypeDef hltdc_disco; DSI_HandleTypeDef hdsi_disco; uint8_t pPage[] = {0x00, 0x00, 0x01, 0xDF}; /* 0 -> 479 */ uint8_t pCols[ZONES][4] = { #if (ZONES == 4 ) {0x00, 0x00, 0x00, 0xC7}, /* 0 -> 199 */ {0x00, 0xC8, 0x01, 0x8F}, /* 200 -> 399 */ {0x01, 0x90, 0x02, 0x57}, /* 400 -> 599 */ {0x02, 0x58, 0x03, 0x1F}, /* 600 -> 799 *//* ... */ #elif (ZONES == 2 ) {0x00, 0x00, 0x01, 0x8F}, /* 0 -> 399 */ {0x01, 0x90, 0x03, 0x1F} /* ... */ #elif (ZONES == 1 ) {0x00, 0x00, 0x03, 0x1F}, /* 0 -> 799 */ #endif ...}; static LCD_LayerPropTypedef layer_prop[GUI_NUM_LAYERS]; volatile int32_t LCD_ActiveRegion = 1; volatile int32_t LCD_Refershing = 0; static const LCD_API_COLOR_CONV * apColorConvAPI[] = { COLOR_CONVERSION_0, #if GUI_NUM_LAYERS > 1 COLOR_CONVERSION_1, #endif ...}; #if GUI_NUM_LAYERS < 2 U32 LCD_Addr[GUI_NUM_LAYERS] = {LCD_LAYER0_FRAME_BUFFER}; #else U32 LCD_Addr[GUI_NUM_LAYERS] = {LCD_LAYER0_FRAME_BUFFER, LCD_LAYER1_FRAME_BUFFER}; #endif /** * @} *//* ... */ /** @defgroup LCD CONFIGURATION_Private_FunctionPrototypes * @{ *//* ... */ static U32 GetPixelformat(U32 LayerIndex); static U32 GetBufferSize(U32 LayerIndex); static void DMA2D_CopyBufferWithAlpha(U32 LayerIndex, void * pSrc, void * pDst, U32 xSize, U32 ySize, U32 OffLineSrc, U32 OffLineDst); static void DMA2D_CopyBuffer (U32 LayerIndex, void * pSrc, void * pDst, U32 xSize, U32 ySize, U32 OffLineSrc, U32 OffLineDst); static void DMA2D_FillBuffer(U32 LayerIndex, void * pDst, U32 xSize, U32 ySize, U32 OffLine, U32 ColorIndex); static void LCD_LL_Init(void); static void LCD_LL_Reset(void); static void LTDC_Init(void); void BSP_LCD_MspInit(void); static void LCD_LL_CopyBuffer(int LayerIndex, int IndexSrc, int IndexDst); static void LCD_LL_CopyRect(int LayerIndex, int x0, int y0, int x1, int y1, int xSize, int ySize); static void LCD_LL_FillRect(int LayerIndex, int x0, int y0, int x1, int y1, U32 PixelIndex); static void LCD_LL_DrawBitmap8bpp(int LayerIndex, int x, int y, U8 const * p, int xSize, int ySize, int BytesPerLine); void LCD_LL_DrawBitmap16bpp(int LayerIndex, int x, int y, U16 const * p, int xSize, int ySize, int BytesPerLine); static void LCD_LL_DrawBitmap32bpp(int LayerIndex, int x, int y, U8 const * p, int xSize, int ySize, int BytesPerLine); void LCD_SetUpdateRegion(int idx); void LCD_ReqTear(void); void DSI_IRQHandler(void); /** * @brief DCS or Generic short/long write command * @param NbParams: Number of parameters. It indicates the write command mode: * If inferior to 2, a long write command is performed else short. * @param pParams: Pointer to parameter values table. * @retval HAL status *//* ... */ void DSI_IO_WriteCmd(uint32_t NbrParams, uint8_t *pParams) { if(NbrParams <= 1) { HAL_DSI_ShortWrite(&hdsi_disco, 0, DSI_DCS_SHORT_PKT_WRITE_P1, pParams[0], pParams[1]); }if (NbrParams <= 1) { ... } else { HAL_DSI_LongWrite(&hdsi_disco, 0, DSI_DCS_LONG_PKT_WRITE, NbrParams, pParams[NbrParams], pParams); }else { ... } }{ ... } /** * @brief BSP LCD Reset * Hw reset the LCD DSI activating its XRES signal (active low for some time) * and desactivating it later. * This signal is only cabled on disco Rev B and beyond. *//* ... */ static void LCD_LL_Reset(void) { #if !defined(USE_STM32469I_DISCO_REVA) GPIO_InitTypeDef gpio_init_structure; __HAL_RCC_GPIOH_CLK_ENABLE(); /* Configure the GPIO on PH7 */ gpio_init_structure.Pin = GPIO_PIN_7; gpio_init_structure.Mode = GPIO_MODE_OUTPUT_PP; /* GPIO_NOPULL is needed for new TechShine LCD(NT35510) used in STM32F469I_DISCO_REVC */ #if defined(USE_STM32469I_DISCO_REVC) gpio_init_structure.Pull = GPIO_NOPULL; #else gpio_init_structure.Pull = GPIO_PULLUP; #endif /* USE_STM32469I_DISCO_REVC */ gpio_init_structure.Speed = GPIO_SPEED_HIGH; HAL_GPIO_Init(GPIOH, &gpio_init_structure); /* Activate XRES active low */ HAL_GPIO_WritePin(GPIOH, GPIO_PIN_7, GPIO_PIN_RESET); HAL_Delay(20); /* wait 20 ms */ /* Deactivate XRES */ HAL_GPIO_WritePin(GPIOH, GPIO_PIN_7, GPIO_PIN_SET); HAL_Delay(10); /* wait 10 ms *//* ... */ #endif /* (USE_STM32469I_DISCO_REVA) */ }{ ... } /** * @brief Initialize the BSP LCD Msp. * Application can surcharge if needed this function implementation *//* ... */ void BSP_LCD_MspInit(void) { /** @brief Enable the LTDC clock */ __HAL_RCC_LTDC_CLK_ENABLE(); /** @brief Toggle Sw reset of LTDC IP */ __HAL_RCC_LTDC_FORCE_RESET(); __HAL_RCC_LTDC_RELEASE_RESET(); /** @brief Enable the DMA2D clock */ __HAL_RCC_DMA2D_CLK_ENABLE(); /** @brief Toggle Sw reset of DMA2D IP */ __HAL_RCC_DMA2D_FORCE_RESET(); __HAL_RCC_DMA2D_RELEASE_RESET(); /** @brief Enable DSI Host and wrapper clocks */ __HAL_RCC_DSI_CLK_ENABLE(); /** @brief Soft Reset the DSI Host and wrapper */ __HAL_RCC_DSI_FORCE_RESET(); __HAL_RCC_DSI_RELEASE_RESET(); /** @brief NVIC configuration for DSI interrupt that is now enabled */ HAL_NVIC_SetPriority(DSI_IRQn, 0xF, 0); HAL_NVIC_EnableIRQ(DSI_IRQn); }{ ... } /** * @brief Initialize the LTDC * @param None * @retval None *//* ... */ static void LTDC_Init(void) { /* DeInit */ hltdc_disco.Instance = LTDC; HAL_LTDC_DeInit(&hltdc_disco); /* LTDC Config */ /* Timing and polarity */ hltdc_disco.Init.HorizontalSync = HSYNC; hltdc_disco.Init.VerticalSync = VSYNC; hltdc_disco.Init.AccumulatedHBP = HSYNC+HBP; hltdc_disco.Init.AccumulatedVBP = VSYNC+VBP; hltdc_disco.Init.AccumulatedActiveH = VSYNC+VBP+VACT; hltdc_disco.Init.AccumulatedActiveW = HSYNC+HBP+HACT; hltdc_disco.Init.TotalHeigh = VSYNC+VBP+VACT+VFP; hltdc_disco.Init.TotalWidth = HSYNC+HBP+HACT+HFP; /* background value */ hltdc_disco.Init.Backcolor.Blue = 0; hltdc_disco.Init.Backcolor.Green = 0; hltdc_disco.Init.Backcolor.Red = 0; /* Polarity */ hltdc_disco.Init.HSPolarity = LTDC_HSPOLARITY_AL; hltdc_disco.Init.VSPolarity = LTDC_VSPOLARITY_AL; hltdc_disco.Init.DEPolarity = LTDC_DEPOLARITY_AL; hltdc_disco.Init.PCPolarity = LTDC_PCPOLARITY_IPC; hltdc_disco.Instance = LTDC; HAL_LTDC_Init(&hltdc_disco); }{ ... } /** * @brief Initialize the LCD Controller. * @param None * @retval None *//* ... */ static void LCD_LL_Init(void) { RCC_PeriphCLKInitTypeDef PeriphClkInitStruct; GPIO_InitTypeDef GPIO_Init_Structure; static DSI_PHY_TimerTypeDef PhyTimings; static DSI_CmdCfgTypeDef CmdCfg; static DSI_LPCmdTypeDef LPCmd; static DSI_PLLInitTypeDef PLLInit; /* Toggle Hardware Reset of the DSI LCD using * its XRES signal (active low) *//* ... */ LCD_LL_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(); /* LCD clock configuration */ /* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 Mhz */ /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN = 417 Mhz */ /* PLLLCDCLK = PLLSAI_VCO Output/PLLSAIR = 417 MHz / 5 = 83.4 MHz */ /* LTDC clock frequency = PLLLCDCLK / LTDC_PLLSAI_DIVR_2 = 83.4 MHz / 2 = 41.7 MHz */ PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC; PeriphClkInitStruct.PLLSAI.PLLSAIN = 417; PeriphClkInitStruct.PLLSAI.PLLSAIR = 5; PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_2; HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); /* Base address of DSI Host/Wrapper registers to be set before calling De-Init */ hdsi_disco.Instance = DSI; HAL_DSI_DeInit(&(hdsi_disco)); #if defined(USE_STM32469I_DISCO_REVA) PLLInit.PLLNDIV = 100; PLLInit.PLLIDF = DSI_PLL_IN_DIV5;/* ... */ #else PLLInit.PLLNDIV = 125; PLLInit.PLLIDF = DSI_PLL_IN_DIV2; /* ... */ #endif /* USE_STM32469I_DISCO_REVA */ PLLInit.PLLODF = DSI_PLL_OUT_DIV1; hdsi_disco.Init.NumberOfLanes = DSI_TWO_DATA_LANES; hdsi_disco.Init.TXEscapeCkdiv = 0x4; HAL_DSI_Init(&(hdsi_disco), &(PLLInit)); /* Configure the DSI for Command mode */ CmdCfg.VirtualChannelID = 0; CmdCfg.HSPolarity = DSI_HSYNC_ACTIVE_HIGH; CmdCfg.VSPolarity = DSI_VSYNC_ACTIVE_HIGH; CmdCfg.DEPolarity = DSI_DATA_ENABLE_ACTIVE_HIGH; CmdCfg.ColorCoding = DSI_RGB565; CmdCfg.CommandSize = HACT; CmdCfg.TearingEffectSource = DSI_TE_EXTERNAL; CmdCfg.TearingEffectPolarity = DSI_TE_RISING_EDGE; CmdCfg.VSyncPol = DSI_VSYNC_FALLING; CmdCfg.AutomaticRefresh = DSI_AR_DISABLE; CmdCfg.TEAcknowledgeRequest = DSI_TE_ACKNOWLEDGE_ENABLE; HAL_DSI_ConfigAdaptedCommandMode(&hdsi_disco, &CmdCfg); LPCmd.LPGenShortWriteNoP = DSI_LP_GSW0P_ENABLE; LPCmd.LPGenShortWriteOneP = DSI_LP_GSW1P_ENABLE; LPCmd.LPGenShortWriteTwoP = DSI_LP_GSW2P_ENABLE; LPCmd.LPGenShortReadNoP = DSI_LP_GSR0P_ENABLE; LPCmd.LPGenShortReadOneP = DSI_LP_GSR1P_ENABLE; LPCmd.LPGenShortReadTwoP = DSI_LP_GSR2P_ENABLE; LPCmd.LPGenLongWrite = DSI_LP_GLW_ENABLE; LPCmd.LPDcsShortWriteNoP = DSI_LP_DSW0P_ENABLE; LPCmd.LPDcsShortWriteOneP = DSI_LP_DSW1P_ENABLE; LPCmd.LPDcsShortReadNoP = DSI_LP_DSR0P_ENABLE; LPCmd.LPDcsLongWrite = DSI_LP_DLW_ENABLE; HAL_DSI_ConfigCommand(&hdsi_disco, &LPCmd); /* Configure DSI PHY HS2LP and LP2HS timings */ PhyTimings.ClockLaneHS2LPTime = 35; PhyTimings.ClockLaneLP2HSTime = 35; PhyTimings.DataLaneHS2LPTime = 35; PhyTimings.DataLaneLP2HSTime = 35; PhyTimings.DataLaneMaxReadTime = 0; PhyTimings.StopWaitTime = 10; HAL_DSI_ConfigPhyTimer(&hdsi_disco, &PhyTimings); /* Initialize LTDC */ LTDC_Init(); /* Start DSI */ HAL_DSI_Start(&(hdsi_disco)); #if defined(USE_STM32469I_DISCO_REVC) /* Initialize the NT35510 LCD Display IC Driver (TechShine LCD IC Driver) * depending on configuration set in 'hdsivideo_handle'. *//* ... */ /* Send Display off DCS Command to display */ HAL_DSI_ShortWrite(&(hdsi_disco), 0, DSI_DCS_SHORT_PKT_WRITE_P1, NT35510_CMD_DISPOFF, 0x00); NT35510_Init(NT35510_FORMAT_RBG565, NT35510_ORIENTATION_LANDSCAPE);/* ... */ #else /* Initialize the OTM8009A LCD Display IC Driver (KoD LCD IC Driver) * depending on configuration set in 'hdsivideo_handle'. *//* ... */ /* Send Display off DCS Command to display */ HAL_DSI_ShortWrite(&(hdsi_disco), 0, DSI_DCS_SHORT_PKT_WRITE_P1, OTM8009A_CMD_DISPOFF, 0x00); OTM8009A_Init(OTM8009A_FORMAT_RBG565, LCD_ORIENTATION_LANDSCAPE);/* ... */ #endif LPCmd.LPGenShortWriteNoP = DSI_LP_GSW0P_DISABLE; LPCmd.LPGenShortWriteOneP = DSI_LP_GSW1P_DISABLE; LPCmd.LPGenShortWriteTwoP = DSI_LP_GSW2P_DISABLE; LPCmd.LPGenShortReadNoP = DSI_LP_GSR0P_DISABLE; LPCmd.LPGenShortReadOneP = DSI_LP_GSR1P_DISABLE; LPCmd.LPGenShortReadTwoP = DSI_LP_GSR2P_DISABLE; LPCmd.LPGenLongWrite = DSI_LP_GLW_DISABLE; LPCmd.LPDcsShortWriteNoP = DSI_LP_DSW0P_DISABLE; LPCmd.LPDcsShortWriteOneP = DSI_LP_DSW1P_DISABLE; LPCmd.LPDcsShortReadNoP = DSI_LP_DSR0P_DISABLE; LPCmd.LPDcsLongWrite = DSI_LP_DLW_DISABLE; HAL_DSI_ConfigCommand(&hdsi_disco, &LPCmd); HAL_DSI_ConfigFlowControl(&hdsi_disco, DSI_FLOW_CONTROL_BTA); /* Enable GPIOJ clock */ __HAL_RCC_GPIOJ_CLK_ENABLE(); /* Configure DSI_TE pin from MB1166 : Tearing effect on separated GPIO from KoD LCD */ /* that is mapped on GPIOJ2 as alternate DSI function (DSI_TE) */ /* This pin is used only when the LCD and DSI link is configured in command mode */ /* Not used in DSI Video mode. */ GPIO_Init_Structure.Pin = GPIO_PIN_2; GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP; GPIO_Init_Structure.Pull = GPIO_NOPULL; GPIO_Init_Structure.Speed = GPIO_SPEED_HIGH; GPIO_Init_Structure.Alternate = GPIO_AF13_DSI; HAL_GPIO_Init(GPIOJ, &GPIO_Init_Structure); DMA2D_FillBuffer(0, (U32 *)LCD_LAYER0_FRAME_BUFFER, XSIZE_PHYS,YSIZE_PHYS, 0, 0x00); /* Refresh the display */ HAL_DSI_Refresh(&hdsi_disco); }{ ... } /** * @brief Initialize the LCD layers. * @param LayerIndex : layer Index. * @retval None *//* ... */ static void LCD_LL_LayerInit(U32 LayerIndex, U32 address) { LTDC_LayerCfgTypeDef Layercfg; /* Layer Init */ Layercfg.WindowX0 = 0; Layercfg.WindowX1 = HACT; Layercfg.WindowY0 = 0; Layercfg.WindowY1 = YSIZE_PHYS; Layercfg.PixelFormat = GetPixelformat(LayerIndex); Layercfg.FBStartAdress = address; Layercfg.Alpha = 255; Layercfg.Alpha0 = 0; Layercfg.Backcolor.Blue = 0; Layercfg.Backcolor.Green = 0; Layercfg.Backcolor.Red = 0; Layercfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA; Layercfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA; Layercfg.ImageWidth = HACT; Layercfg.ImageHeight = YSIZE_PHYS; HAL_LTDC_ConfigLayer(&hltdc_disco, &Layercfg, LayerIndex); }{ ... } /** * @brief Return Pixel format for a given layer * @param LayerIndex : Layer Index * @retval Status ( 0 : 0k , 1: error) *//* ... */ static U32 GetPixelformat(U32 LayerIndex) { if (LayerIndex == 0) { return LTDC_PIXEL_FORMAT_RGB565; }if (LayerIndex == 0) { ... } else { return LTDC_PIXEL_FORMAT_ARGB1555; }else { ... } }{ ... } /** * @brief Return Pixel format for a given layer * @param LayerIndex : Layer Index * @retval Status ( 0 : 0k , 1: error) *//* ... */ static void DMA2D_CopyBuffer(U32 LayerIndex, void * pSrc, void * pDst, U32 xSize, U32 ySize, U32 OffLineSrc, U32 OffLineDst) { U32 PixelFormat; PixelFormat = GetPixelformat(LayerIndex); DMA2D->CR = 0x00000000UL | (1 << 9); /* Set up pointers */ DMA2D->FGMAR = (U32)pSrc; DMA2D->OMAR = (U32)pDst; DMA2D->FGOR = OffLineSrc; DMA2D->OOR = OffLineDst; /* Set up pixel format */ DMA2D->FGPFCCR = PixelFormat; /* Set up size */ DMA2D->NLR = (U32)(xSize << 16) | (U16)ySize; DMA2D->CR |= DMA2D_CR_START; /* Wait until transfer is done */ while (DMA2D->CR & DMA2D_CR_START) { }while (DMA2D->CR & DMA2D_CR_START) { ... } }{ ... } /********************************************************************* * * CopyBuffer *//* ... */ static void DMA2D_CopyBufferWithAlpha(U32 LayerIndex, void * pSrc, void * pDst, U32 xSize, U32 ySize, U32 OffLineSrc, U32 OffLineDst) { uint32_t PixelFormat; PixelFormat = GetPixelformat(LayerIndex); DMA2D->CR = 0x00000000UL | (1 << 9) | (0x2 << 16); /* Set up pointers */ DMA2D->FGMAR = (U32)pSrc; DMA2D->OMAR = (U32)pDst; DMA2D->BGMAR = (U32)pDst; DMA2D->FGOR = OffLineSrc; DMA2D->OOR = OffLineDst; DMA2D->BGOR = OffLineDst; /* Set up pixel format */ DMA2D->FGPFCCR = LTDC_PIXEL_FORMAT_ARGB8888; DMA2D->BGPFCCR = PixelFormat; DMA2D->OPFCCR = PixelFormat; /* Set up size */ DMA2D->NLR = (U32)(xSize << 16) | (U16)ySize; DMA2D->CR |= DMA2D_CR_START; /* Wait until transfer is done */ while (DMA2D->CR & DMA2D_CR_START) { }while (DMA2D->CR & DMA2D_CR_START) { ... } }{ ... } /** * @brief Fill Buffer * @param LayerIndex : Layer Index * @param pDst: pointer to destination * @param xSize: X size * @param ySize: Y size * @param OffLine: offset after each line * @param ColorIndex: color to be used. * @retval None. *//* ... */ static void DMA2D_FillBuffer(U32 LayerIndex, void * pDst, U32 xSize, U32 ySize, U32 OffLine, U32 ColorIndex) { U32 PixelFormat; PixelFormat = GetPixelformat(LayerIndex); /* Set up mode */ DMA2D->CR = 0x00030000UL | (1 << 9); DMA2D->OCOLR = ColorIndex; /* Set up pointers */ DMA2D->OMAR = (U32)pDst; /* Set up offsets */ DMA2D->OOR = OffLine; /* Set up pixel format */ DMA2D->OPFCCR = PixelFormat; /* Set up size */ DMA2D->NLR = (U32)(xSize << 16) | (U16)ySize; DMA2D->CR |= DMA2D_CR_START; /* Wait until transfer is done */ while (DMA2D->CR & DMA2D_CR_START) { }while (DMA2D->CR & DMA2D_CR_START) { ... } }{ ... } /** * @brief Get buffer size * @param LayerIndex : Layer Index * @retval None. *//* ... */ static U32 GetBufferSize(U32 LayerIndex) { return (layer_prop[LayerIndex].xSize * layer_prop[LayerIndex].ySize * layer_prop[LayerIndex].BytesPerPixel); }{ ... } /** * @brief Customized copy buffer * @param LayerIndex : Layer Index * @param IndexSrc: index source * @param IndexDst: index destination * @retval None. *//* ... */ static void LCD_LL_CopyBuffer(int LayerIndex, int IndexSrc, int IndexDst) { U32 BufferSize, AddrSrc, AddrDst; BufferSize = GetBufferSize(LayerIndex); AddrSrc = layer_prop[LayerIndex].address + BufferSize * IndexSrc; AddrDst = layer_prop[LayerIndex].address + BufferSize * IndexDst; DMA2D_CopyBuffer(LayerIndex, (void *)AddrSrc, (void *)AddrDst, layer_prop[LayerIndex].xSize, layer_prop[LayerIndex].ySize, 0, 0); layer_prop[LayerIndex].buffer_index = IndexDst; }{ ... } /** * @brief Copy rectangle * @param LayerIndex : Layer Index * @param x0: X0 position * @param y0: Y0 position * @param x1: X1 position * @param y1: Y1 position * @param xSize: X size. * @param ySize: Y size. * @retval None. *//* ... */ static void LCD_LL_CopyRect(int LayerIndex, int x0, int y0, int x1, int y1, int xSize, int ySize) { U32 BufferSize, AddrSrc, AddrDst; BufferSize = GetBufferSize(LayerIndex); AddrSrc = layer_prop[LayerIndex].address + BufferSize * layer_prop[LayerIndex].pending_buffer + (y0 * layer_prop[LayerIndex].xSize + x0) * layer_prop[LayerIndex].BytesPerPixel; AddrDst = layer_prop[LayerIndex].address + BufferSize * layer_prop[LayerIndex].pending_buffer + (y1 * layer_prop[LayerIndex].xSize + x1) * layer_prop[LayerIndex].BytesPerPixel; DMA2D_CopyBuffer(LayerIndex, (void *)AddrSrc, (void *)AddrDst, xSize, ySize, layer_prop[LayerIndex].xSize - xSize, 0); }{ ... } /** * @brief Fill rectangle * @param LayerIndex : Layer Index * @param x0: X0 position * @param y0: Y0 position * @param x1: X1 position * @param y1: Y1 position * @param PixelIndex: Pixel index. * @retval None. *//* ... */ static void LCD_LL_FillRect(int LayerIndex, int x0, int y0, int x1, int y1, U32 PixelIndex) { U32 BufferSize, AddrDst; int xSize, ySize; if (GUI_GetDrawMode() == GUI_DM_XOR) { LCD_SetDevFunc(LayerIndex, LCD_DEVFUNC_FILLRECT, NULL); LCD_FillRect(x0, y0, x1, y1); LCD_SetDevFunc(LayerIndex, LCD_DEVFUNC_FILLRECT, (void(*)(void))LCD_LL_FillRect); }if (GUI_GetDrawMode() == GUI_DM_XOR) { ... } else { xSize = x1 - x0 + 1; ySize = y1 - y0 + 1; BufferSize = GetBufferSize(LayerIndex); AddrDst = layer_prop[LayerIndex].address + BufferSize * layer_prop[LayerIndex].buffer_index + (y0 * layer_prop[LayerIndex].xSize + x0) * layer_prop[LayerIndex].BytesPerPixel; DMA2D_FillBuffer(LayerIndex, (void *)AddrDst, xSize, ySize, layer_prop[LayerIndex].xSize - xSize, PixelIndex); }else { ... } }{ ... } /** * @brief Draw indirect color bitmap * @param pSrc: pointer to the source * @param pDst: pointer to the destination * @param OffSrc: offset source * @param OffDst: offset destination * @param PixelFormatDst: pixel format for destination * @param xSize: X size * @param ySize: Y size * @retval None *//* ... */ static void DMA2D_DrawBitmapL8(void * pSrc, void * pDst, U32 OffSrc, U32 OffDst, U32 PixelFormatDst, U32 xSize, U32 ySize) { /* Set up mode */ DMA2D->CR = 0x00010000UL | (1 << 9); /* Control Register (Memory to memory with pixel format conversion and TCIE) */ /* Set up pointers */ DMA2D->FGMAR = (U32)pSrc; /* Foreground Memory Address Register (Source address) */ DMA2D->OMAR = (U32)pDst; /* Output Memory Address Register (Destination address) */ /* Set up offsets */ DMA2D->FGOR = OffSrc; /* Foreground Offset Register (Source line offset) */ DMA2D->OOR = OffDst; /* Output Offset Register (Destination line offset) */ /* Set up pixel format */ DMA2D->FGPFCCR = LTDC_PIXEL_FORMAT_L8; /* Foreground PFC Control Register (Defines the input pixel format) */ DMA2D->OPFCCR = PixelFormatDst; /* Output PFC Control Register (Defines the output pixel format) */ /* Set up size */ DMA2D->NLR = (U32)(xSize << 16) | ySize; /* Number of Line Register (Size configuration of area to be transferred) */ /* Execute operation */ DMA2D->CR |= DMA2D_CR_START; /* Start operation */ /* Wait until transfer is done */ while (DMA2D->CR & DMA2D_CR_START) { }while (DMA2D->CR & DMA2D_CR_START) { ... } }{ ... } /** * @brief Draw 16bpp bitmap file * @param LayerIndex: Layer Index * @param x: X position * @param y: Y position * @param p: pointer to destination address * @param xSize: X size * @param ySize: Y size * @param BytesPerLine * @retval None *//* ... */ void LCD_LL_DrawBitmap16bpp(int LayerIndex, int x, int y, U16 const * p, int xSize, int ySize, int BytesPerLine) { U32 BufferSize, AddrDst; int OffLineSrc, OffLineDst; BufferSize = GetBufferSize(LayerIndex); AddrDst = layer_prop[LayerIndex].address + BufferSize * layer_prop[LayerIndex].buffer_index + (y * layer_prop[LayerIndex].xSize + x) * layer_prop[LayerIndex].BytesPerPixel; OffLineSrc = (BytesPerLine / 2) - xSize; OffLineDst = layer_prop[LayerIndex].xSize - xSize; DMA2D_CopyBuffer(LayerIndex, (void *)p, (void *)AddrDst, xSize, ySize, OffLineSrc, OffLineDst); }{ ... } static void LCD_LL_DrawBitmap32bpp(int LayerIndex, int x, int y, U8 const * p, int xSize, int ySize, int BytesPerLine) { U32 BufferSize, AddrDst; int OffLineSrc, OffLineDst; BufferSize = GetBufferSize(LayerIndex); AddrDst = layer_prop[LayerIndex].address + BufferSize * layer_prop[LayerIndex].buffer_index + (y * layer_prop[LayerIndex].xSize + x) * layer_prop[LayerIndex].BytesPerPixel; OffLineSrc = (BytesPerLine / 4) - xSize; OffLineDst = layer_prop[LayerIndex].xSize - xSize; DMA2D_CopyBufferWithAlpha(LayerIndex, (void *)p, (void *)AddrDst, xSize, ySize, OffLineSrc, OffLineDst); }{ ... } /** * @brief Draw 8bpp bitmap file * @param LayerIndex: Layer Index * @param x: X position * @param y: Y position * @param p: pointer to destination address * @param xSize: X size * @param ySize: Y size * @param BytesPerLine * @retval None *//* ... */ static void LCD_LL_DrawBitmap8bpp(int LayerIndex, int x, int y, U8 const * p, int xSize, int ySize, int BytesPerLine) { U32 BufferSize, AddrDst; int OffLineSrc, OffLineDst; U32 PixelFormat; BufferSize = GetBufferSize(LayerIndex); AddrDst = layer_prop[LayerIndex].address + BufferSize * layer_prop[LayerIndex].buffer_index + (y * layer_prop[LayerIndex].xSize + x) * layer_prop[LayerIndex].BytesPerPixel; OffLineSrc = BytesPerLine - xSize; OffLineDst = layer_prop[LayerIndex].xSize - xSize; PixelFormat = GetPixelformat(LayerIndex); DMA2D_DrawBitmapL8((void *)p, (void *)AddrDst, OffLineSrc, OffLineDst, PixelFormat, xSize, ySize); }{ ... } /** * @brief Set LCD updated region. * @param idx: active region index. * @retval None *//* ... */ void LCD_SetUpdateRegion(int idx) { HAL_DSI_LongWrite(&hdsi_disco, 0, DSI_DCS_LONG_PKT_WRITE, 4, OTM8009A_CMD_CASET, pCols[idx]); }{ ... } /** * @brief Tearing Effect DSI callback. * @param hdsi: pointer to a DSI_HandleTypeDef structure that contains * the configuration information for the DSI. * @retval None *//* ... */ void HAL_DSI_TearingEffectCallback(DSI_HandleTypeDef *hdsi) { uint32_t index = 0; if(!LCD_Refershing) { for(index = 0; index < GUI_NUM_LAYERS; index ++) { if(layer_prop[index].pending_buffer >= 0) { GUI_MULTIBUF_ConfirmEx(index, layer_prop[index].pending_buffer); layer_prop[index].pending_buffer = -1; }if (layer_prop[index].pending_buffer >= 0) { ... } }for (index = 0; index < GUI_NUM_LAYERS; index ++) { ... } LCD_Refershing = 1; LCD_ActiveRegion = 1; HAL_DSI_Refresh(hdsi); }if (!LCD_Refershing) { ... } }{ ... } /** * @brief End of Refresh DSI callback. * @param hdsi: pointer to a DSI_HandleTypeDef structure that contains * the configuration information for the DSI. * @retval None *//* ... */ void HAL_DSI_EndOfRefreshCallback(DSI_HandleTypeDef *hdsi) { uint32_t index = 0; if(LCD_ActiveRegion < ZONES ) { LCD_Refershing = 1; /* Disable DSI Wrapper */ __HAL_DSI_WRAPPER_DISABLE(hdsi); for(index = 0; index < GUI_NUM_LAYERS; index ++) { /* Update LTDC configuration */ LTDC_LAYER(&hltdc_disco, index)->CFBAR = LCD_Addr[index] + LCD_ActiveRegion * HACT * 2; }for (index = 0; index < GUI_NUM_LAYERS; index ++) { ... } __HAL_LTDC_RELOAD_IMMEDIATE_CONFIG(&hltdc_disco); __HAL_DSI_WRAPPER_ENABLE(hdsi); LCD_SetUpdateRegion(LCD_ActiveRegion++); /* Refresh the right part of the display */ HAL_DSI_Refresh(hdsi); }if (LCD_ActiveRegion < ZONES) { ... } else { LCD_Refershing = 0; __HAL_DSI_WRAPPER_DISABLE(&hdsi_disco); for(index = 0; index < GUI_NUM_LAYERS; index ++) { LTDC_LAYER(&hltdc_disco, index)->CFBAR = LCD_Addr[index]; }for (index = 0; index < GUI_NUM_LAYERS; index ++) { ... } __HAL_LTDC_RELOAD_IMMEDIATE_CONFIG(&hltdc_disco); __HAL_DSI_WRAPPER_ENABLE(&hdsi_disco); LCD_SetUpdateRegion(0); }else { ... } }{ ... } /** * @brief Request TE at scanline. * @param None * @retval None *//* ... */ void LCD_ReqTear(void) { static uint8_t ScanLineParams[2]; #if (ZONES == 4 ) uint16_t scanline = 283; #elif (ZONES == 2 ) uint16_t scanline = 200; #endif ScanLineParams[0] = scanline >> 8; ScanLineParams[1] = scanline & 0x00FF; HAL_DSI_LongWrite(&hdsi_disco, 0, DSI_DCS_LONG_PKT_WRITE, 2, 0x44, ScanLineParams); /* set_tear_on */ HAL_DSI_ShortWrite(&hdsi_disco, 0, DSI_DCS_SHORT_PKT_WRITE_P1, OTM8009A_CMD_TEEON, 0x00); }{ ... } /** * @brief Called during the initialization process in order to set up the * display driver configuration * @param None * @retval None *//* ... */ void LCD_X_Config(void) { U32 i; /* At first initialize use of multiple buffers on demand */ #if (NUM_BUFFERS > 1) for (i = 0; i < GUI_NUM_LAYERS; i++) { GUI_MULTIBUF_ConfigEx(i, NUM_BUFFERS); }for (i = 0; i < GUI_NUM_LAYERS; i++) { ... } /* ... */#endif /* Set display driver and color conversion for 1st layer */ GUI_DEVICE_CreateAndLink(DISPLAY_DRIVER_0, COLOR_CONVERSION_0, 0, 0); /* Set size of 1st layer */ if (LCD_GetSwapXYEx(0)) { LCD_SetSizeEx (0, YSIZE_PHYS, XSIZE_PHYS); LCD_SetVSizeEx(0, YSIZE_PHYS * NUM_VSCREENS, XSIZE_PHYS); }if (LCD_GetSwapXYEx(0)) { ... } else { LCD_SetSizeEx (0, XSIZE_PHYS, YSIZE_PHYS); LCD_SetVSizeEx(0, XSIZE_PHYS, YSIZE_PHYS * NUM_VSCREENS); }else { ... } #if (GUI_NUM_LAYERS > 1) /* Set display driver and color conversion for 2nd layer */ GUI_DEVICE_CreateAndLink(DISPLAY_DRIVER_1, COLOR_CONVERSION_1, 0, 1); /* Set size of 2nd layer */ if (LCD_GetSwapXYEx(1)) { LCD_SetSizeEx (1, YSIZE_PHYS, XSIZE_PHYS); LCD_SetVSizeEx(1, YSIZE_PHYS * NUM_VSCREENS, XSIZE_PHYS); }if (LCD_GetSwapXYEx(1)) { ... } else { LCD_SetSizeEx (1, XSIZE_PHYS, YSIZE_PHYS); LCD_SetVSizeEx(1, XSIZE_PHYS, YSIZE_PHYS * NUM_VSCREENS); }else { ... } /* ... */#endif /*Initialize GUI Layer structure */ layer_prop[0].address = LCD_LAYER0_FRAME_BUFFER; #if (GUI_NUM_LAYERS > 1) layer_prop[1].address = LCD_LAYER1_FRAME_BUFFER; #endif /* Setting up VRam address and custom functions for CopyBuffer-, CopyRect- and FillRect operations */ for (i = 0; i < GUI_NUM_LAYERS; i++) { layer_prop[i].pColorConvAPI = (LCD_API_COLOR_CONV *)apColorConvAPI[i]; layer_prop[i].pending_buffer = -1; /* Remember color depth for further operations */ layer_prop[i].BytesPerPixel = LCD_GetBitsPerPixelEx(i) >> 3; /* Set custom functions for several operations */ LCD_SetDevFunc(i, LCD_DEVFUNC_COPYBUFFER, (void(*)(void))LCD_LL_CopyBuffer); LCD_SetDevFunc(i, LCD_DEVFUNC_COPYRECT, (void(*)(void))LCD_LL_CopyRect); /* Filling via DMA2D does only work with 16bpp or more */ LCD_SetDevFunc(i, LCD_DEVFUNC_FILLRECT, (void(*)(void))LCD_LL_FillRect); LCD_SetDevFunc(i, LCD_DEVFUNC_DRAWBMP_8BPP, (void(*)(void))LCD_LL_DrawBitmap8bpp); LCD_SetDevFunc(i, LCD_DEVFUNC_DRAWBMP_16BPP, (void(*)(void))LCD_LL_DrawBitmap16bpp); LCD_SetDevFunc(i, LCD_DEVFUNC_DRAWBMP_32BPP, (void(*)(void))LCD_LL_DrawBitmap32bpp); /* Set VRAM address */ LCD_SetVRAMAddrEx(i, (void *)(layer_prop[i].address)); }for (i = 0; i < GUI_NUM_LAYERS; i++) { ... } LCD_LL_Init (); LCD_LL_LayerInit(0, LCD_LAYER0_FRAME_BUFFER); #if (GUI_NUM_LAYERS > 1) LCD_LL_LayerInit(1, LCD_LAYER1_FRAME_BUFFER); #endif HAL_DSI_LongWrite(&hdsi_disco, 0, DSI_DCS_LONG_PKT_WRITE, 4, OTM8009A_CMD_CASET, pCols[0]); HAL_DSI_LongWrite(&hdsi_disco, 0, DSI_DCS_LONG_PKT_WRITE, 4, OTM8009A_CMD_PASET, pPage); /* Update pitch : the draw is done on the whole physical X Size */ HAL_LTDC_SetPitch(&hltdc_disco, XSIZE_PHYS, 0); #if (GUI_NUM_LAYERS > 1) HAL_LTDC_SetPitch(&hltdc_disco, XSIZE_PHYS, 1); #endif HAL_Delay(20); LCD_ReqTear(); /* Send Display off DCS Command to display */ HAL_DSI_ShortWrite(&(hdsi_disco), 0, DSI_DCS_SHORT_PKT_WRITE_P1, OTM8009A_CMD_DISPON, 0x00); }{ ... } /** * @brief This function is called by the display driver for several purposes. * To support the according task the routine needs to be adapted to * the display controller. Please note that the commands marked with * 'optional' are not cogently required and should only be adapted if * the display controller supports these features * @param LayerIndex: Index of layer to be configured * @param Cmd :Please refer to the details in the switch statement below * @param pData :Pointer to a LCD_X_DATA structure * @retval Status (-1 : Error, 0 : Ok) *//* ... */ int LCD_X_DisplayDriver(unsigned LayerIndex, unsigned Cmd, void * pData) { int r = 0; U32 addr; int xPos, yPos; U32 Color; LCD_X_SHOWBUFFER_INFO * p; switch (Cmd) { case LCD_X_SETORG: addr = layer_prop[LayerIndex].address + ((LCD_X_SETORG_INFO *)pData)->yPos * layer_prop[LayerIndex].xSize * layer_prop[LayerIndex].BytesPerPixel; HAL_LTDC_SetAddress(&hltdc_disco, addr, LayerIndex); break; case LCD_X_SETORG: case LCD_X_SHOWBUFFER: p = (LCD_X_SHOWBUFFER_INFO *)pData; LCD_Addr[LayerIndex] = layer_prop[LayerIndex].address + \ layer_prop[LayerIndex].xSize * layer_prop[LayerIndex].ySize * layer_prop[LayerIndex].BytesPerPixel * p->Index; layer_prop[LayerIndex].pending_buffer = p->Index; break; case LCD_X_SHOWBUFFER: case LCD_X_ON: __HAL_LTDC_ENABLE(&hltdc_disco); break; case LCD_X_ON: case LCD_X_OFF: __HAL_LTDC_DISABLE(&hltdc_disco); break; case LCD_X_OFF: case LCD_X_SETVIS: if(((LCD_X_SETVIS_INFO *)pData)->OnOff == ENABLE ) { __HAL_DSI_WRAPPER_DISABLE(&hdsi_disco); __HAL_LTDC_LAYER_ENABLE(&hltdc_disco, LayerIndex); __HAL_DSI_WRAPPER_ENABLE(&hdsi_disco); }if (((LCD_X_SETVIS_INFO *)pData)->OnOff == ENABLE) { ... } else { __HAL_DSI_WRAPPER_DISABLE(&hdsi_disco); __HAL_LTDC_LAYER_DISABLE(&hltdc_disco, LayerIndex); __HAL_DSI_WRAPPER_ENABLE(&hdsi_disco); }else { ... } __HAL_LTDC_RELOAD_IMMEDIATE_CONFIG(&hltdc_disco); HAL_DSI_Refresh(&hdsi_disco); break; case LCD_X_SETVIS: case LCD_X_SETPOS: HAL_LTDC_SetWindowPosition(&hltdc_disco, ((LCD_X_SETPOS_INFO *)pData)->xPos, ((LCD_X_SETPOS_INFO *)pData)->yPos, LayerIndex); break; case LCD_X_SETPOS: case LCD_X_SETSIZE: GUI_GetLayerPosEx(LayerIndex, &xPos, &yPos); layer_prop[LayerIndex].xSize = ((LCD_X_SETSIZE_INFO *)pData)->xSize; layer_prop[LayerIndex].ySize = ((LCD_X_SETSIZE_INFO *)pData)->ySize; HAL_LTDC_SetWindowPosition(&hltdc_disco, xPos, yPos, LayerIndex); break; case LCD_X_SETSIZE: case LCD_X_SETALPHA: HAL_LTDC_SetAlpha(&hltdc_disco, ((LCD_X_SETALPHA_INFO *)pData)->Alpha, LayerIndex); break; case LCD_X_SETALPHA: case LCD_X_SETCHROMAMODE: if(((LCD_X_SETCHROMAMODE_INFO *)pData)->ChromaMode != 0) { HAL_LTDC_EnableColorKeying(&hltdc_disco, LayerIndex); }if (((LCD_X_SETCHROMAMODE_INFO *)pData)->ChromaMode != 0) { ... } else { HAL_LTDC_DisableColorKeying(&hltdc_disco, LayerIndex); }else { ... } break; case LCD_X_SETCHROMAMODE: case LCD_X_SETCHROMA: Color = ((((LCD_X_SETCHROMA_INFO *)pData)->ChromaMin & 0xFF0000) >> 16) |\ (((LCD_X_SETCHROMA_INFO *)pData)->ChromaMin & 0x00FF00) |\ ((((LCD_X_SETCHROMA_INFO *)pData)->ChromaMin & 0x0000FF) << 16); HAL_LTDC_ConfigColorKeying(&hltdc_disco, Color, LayerIndex); break; case LCD_X_SETCHROMA: default: r = -1;default }switch (Cmd) { ... } return r; }{ ... } /** * @brief This function handles DSI Handler. * @param None * @retval None *//* ... */ void DSI_IRQHandler(void) { HAL_DSI_IRQHandler(&hdsi_disco); }{ ... }