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/* ... */
#include "main.h"
#include "image_320x240_argb8888.h"
#include "life_augmented_argb8888.h"
#include <string.h>
#include <stdio.h>
5 includes
/* ... */
/* ... */
Includes
extern LTDC_HandleTypeDef hltdc_eval;
static DMA2D_HandleTypeDef hdma2d;
extern DSI_HandleTypeDef hdsi_eval;
Private typedef
#define VSYNC 1
#define VBP 1
#define VFP 1
#define VACT 480
#define HSYNC 1
#define HBP 1
#define HFP 1
#define HACT 400
#define LAYER0_ADDRESS (LCD_FB_START_ADDRESS)
#define INVALID_AREA 0
#define LEFT_AREA 1
#define RIGHT_AREA 2
12 definesPrivate define
static int32_t pending_buffer = -1;
static int32_t active_area = INVALID_AREA;
static uint32_t ImageIndex = 0;
static const uint32_t * Images[] =
{
image_320x240_argb8888,
life_augmented_argb8888,
...};
uint8_t pColLeft[] = {0x00, 0x00, 0x01, 0x8F};
uint8_t pColRight[] = {0x01, 0x90, 0x03, 0x1F};
uint8_t pPage[] = {0x00, 0x00, 0x01, 0xDF};
uint8_t pSyncLeft[] = {0x02, 0x15}; Private variables
static void SystemClock_Config(void);
static void OnError_Handler(uint32_t condition);
static void CopyPicture(uint32_t *pSrc,
uint32_t *pDst,
uint16_t x,
uint16_t y,
uint16_t xsize,
uint16_t ysize);
static uint8_t LCD_Init(void);
void LCD_LayertInit(uint16_t LayerIndex, uint32_t Address);
void LTDC_Init(void);
static void LCD_BriefDisplay(void);
Private function prototypes
/* ... */
static void OnError_Handler(uint32_t condition)
{
if(condition)
{
BSP_LED_On(LED3);
while(1) { ; }
}if (condition) { ... }
}{ ... }
/* ... */
int main(void)
{
uint8_t lcd_status = LCD_OK;
/* ... */
HAL_Init();
SystemClock_Config();
BSP_SDRAM_Init();
lcd_status = LCD_Init();
OnError_Handler(lcd_status != LCD_OK);
LCD_LayertInit(0, LAYER0_ADDRESS);
BSP_LCD_SelectLayer(0);
HAL_DSI_LongWrite(&hdsi_eval, 0, DSI_DCS_LONG_PKT_WRITE, 4, OTM8009A_CMD_CASET, pColLeft);
HAL_DSI_LongWrite(&hdsi_eval, 0, DSI_DCS_LONG_PKT_WRITE, 4, OTM8009A_CMD_PASET, pPage);
HAL_LTDC_SetPitch(&hltdc_eval, BSP_LCD_GetXSize(), 0);
LCD_BriefDisplay();
CopyPicture((uint32_t *)Images[ImageIndex++], (uint32_t *)LAYER0_ADDRESS, 240, 160, 320, 240);
pending_buffer = 0;
active_area = LEFT_AREA;
HAL_DSI_LongWrite(&hdsi_eval, 0, DSI_DCS_LONG_PKT_WRITE, 2, OTM8009A_CMD_WRTESCN, pSyncLeft);
while (1)
{
if(pending_buffer < 0)
{
CopyPicture((uint32_t *)Images[ImageIndex++], (uint32_t *)LAYER0_ADDRESS, 240, 160, 320, 240);
if(ImageIndex >= 2)
{
ImageIndex = 0;
}if (ImageIndex >= 2) { ... }
pending_buffer = 1;
HAL_DSI_LongWrite(&hdsi_eval, 0, DSI_DCS_LONG_PKT_WRITE, 2, OTM8009A_CMD_WRTESCN, pSyncLeft);
}if (pending_buffer < 0) { ... }
HAL_Delay(2000);
}while (1) { ... }
}{ ... }
/* ... */
void HAL_DSI_EndOfRefreshCallback(DSI_HandleTypeDef *hdsi)
{
if(pending_buffer >= 0)
{
if(active_area == LEFT_AREA)
{
HAL_DSI_ShortWrite(hdsi, 0, DSI_DCS_SHORT_PKT_WRITE_P1, OTM8009A_CMD_TEOFF, 0x00);
__HAL_DSI_WRAPPER_DISABLE(&hdsi_eval);
LTDC_LAYER(&hltdc_eval, 0)->CFBAR = LAYER0_ADDRESS + 400 * 4;
__HAL_LTDC_RELOAD_IMMEDIATE_CONFIG(&hltdc_eval);
__HAL_DSI_WRAPPER_ENABLE(&hdsi_eval);
HAL_DSI_LongWrite(hdsi, 0, DSI_DCS_LONG_PKT_WRITE, 4, OTM8009A_CMD_CASET, pColRight);
HAL_DSI_Refresh(hdsi);
}if (active_area == LEFT_AREA) { ... }
else if(active_area == RIGHT_AREA)
{
__HAL_DSI_WRAPPER_DISABLE(&hdsi_eval);
LTDC_LAYER(&hltdc_eval, 0)->CFBAR = LAYER0_ADDRESS;
__HAL_LTDC_RELOAD_IMMEDIATE_CONFIG(&hltdc_eval);
__HAL_DSI_WRAPPER_ENABLE(&hdsi_eval);
HAL_DSI_LongWrite(hdsi, 0, DSI_DCS_LONG_PKT_WRITE, 4, OTM8009A_CMD_CASET, pColLeft);
pending_buffer = -1;
}else if (active_area == RIGHT_AREA) { ... }
}if (pending_buffer >= 0) { ... }
active_area = (active_area == LEFT_AREA)? RIGHT_AREA : LEFT_AREA;
}{ ... }
/* ... */
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
HAL_StatusTypeDef ret = HAL_OK;
__HAL_RCC_PWR_CLK_ENABLE();
/* ... */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
#if defined(USE_STM32469I_DISCO_REVA)
RCC_OscInitStruct.PLL.PLLM = 25;
#else
RCC_OscInitStruct.PLL.PLLM = 8;
#endif
RCC_OscInitStruct.PLL.PLLN = 360;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
RCC_OscInitStruct.PLL.PLLR = 6;
ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != HAL_OK) { ... }
ret = HAL_PWREx_EnableOverDrive();
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != HAL_OK) { ... }
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != HAL_OK) { ... }
}{ ... }
/* ... */
static uint8_t LCD_Init(void)
{
static DSI_PHY_TimerTypeDef PhyTimings;
static DSI_CmdCfgTypeDef CmdCfg;
static DSI_LPCmdTypeDef LPCmd;
static DSI_PLLInitTypeDef dsiPllInit;
static RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
/* ... */
BSP_LCD_Reset();
/* ... */
BSP_LCD_MspInit();
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
PeriphClkInitStruct.PLLSAI.PLLSAIN = 417;
PeriphClkInitStruct.PLLSAI.PLLSAIR = 5;
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_2;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
hdsi_eval.Instance = DSI;
HAL_DSI_DeInit(&(hdsi_eval));
#if defined(USE_STM32469I_DISCO_REVA)
dsiPllInit.PLLNDIV = 100;
dsiPllInit.PLLIDF = DSI_PLL_IN_DIV5;/* ... */
#else
dsiPllInit.PLLNDIV = 125;
dsiPllInit.PLLIDF = DSI_PLL_IN_DIV2; /* ... */
#endif
dsiPllInit.PLLODF = DSI_PLL_OUT_DIV1;
hdsi_eval.Init.NumberOfLanes = DSI_TWO_DATA_LANES;
hdsi_eval.Init.TXEscapeCkdiv = 0x4;
HAL_DSI_Init(&(hdsi_eval), &(dsiPllInit));
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_RGB888;
CmdCfg.CommandSize = HACT;
CmdCfg.TearingEffectSource = DSI_TE_DSILINK;
CmdCfg.TearingEffectPolarity = DSI_TE_RISING_EDGE;
CmdCfg.VSyncPol = DSI_VSYNC_FALLING;
CmdCfg.AutomaticRefresh = DSI_AR_ENABLE;
CmdCfg.TEAcknowledgeRequest = DSI_TE_ACKNOWLEDGE_ENABLE;
HAL_DSI_ConfigAdaptedCommandMode(&hdsi_eval, &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_eval, &LPCmd);
PhyTimings.ClockLaneHS2LPTime = 35;
PhyTimings.ClockLaneLP2HSTime = 35;
PhyTimings.DataLaneHS2LPTime = 35;
PhyTimings.DataLaneLP2HSTime = 35;
PhyTimings.DataLaneMaxReadTime = 0;
PhyTimings.StopWaitTime = 10;
HAL_DSI_ConfigPhyTimer(&hdsi_eval, &PhyTimings);
LTDC_Init();
HAL_DSI_Start(&(hdsi_eval));
#if defined (USE_STM32469I_DISCO_REVC)
NT35510_Init(NT35510_FORMAT_RGB888, LCD_ORIENTATION_LANDSCAPE);/* ... */
#else
OTM8009A_Init(OTM8009A_COLMOD_RGB888, 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_eval, &LPCmd);
HAL_DSI_ConfigFlowControl(&hdsi_eval, DSI_FLOW_CONTROL_BTA);
HAL_DSI_Refresh(&hdsi_eval);
return LCD_OK;
}{ ... }
/* ... */
void LTDC_Init(void)
{
hltdc_eval.Instance = LTDC;
HAL_LTDC_DeInit(&hltdc_eval);
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;
hltdc_eval.Init.Backcolor.Blue = 0;
hltdc_eval.Init.Backcolor.Green = 0;
hltdc_eval.Init.Backcolor.Red = 0;
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);
}{ ... }
/* ... */
void LCD_LayertInit(uint16_t LayerIndex, uint32_t Address)
{
LCD_LayerCfgTypeDef Layercfg;
Layercfg.WindowX0 = 0;
Layercfg.WindowX1 = BSP_LCD_GetXSize()/2;
Layercfg.WindowY0 = 0;
Layercfg.WindowY1 = BSP_LCD_GetYSize();
Layercfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888;
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 = BSP_LCD_GetXSize()/2;
Layercfg.ImageHeight = BSP_LCD_GetYSize();
HAL_LTDC_ConfigLayer(&hltdc_eval, &Layercfg, LayerIndex);
}{ ... }
/* ... */
static void LCD_BriefDisplay(void)
{
BSP_LCD_SetFont(&Font24);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillRect(0, 0, 800, 112);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillRect(0, 112, 800, 368);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAtLine(1, (uint8_t *)" LCD_DSI_CmdMode_PartialRefresh");
BSP_LCD_SetFont(&Font16);
BSP_LCD_DisplayStringAtLine(4, (uint8_t *)"This example shows how to display images on LCD DSI using the partial");
BSP_LCD_DisplayStringAtLine(5, (uint8_t *)"Refresh method by splitting the display area.");
}{ ... }
/* ... */
static void CopyPicture(uint32_t *pSrc, uint32_t *pDst, uint16_t x, uint16_t y, uint16_t xsize, uint16_t ysize)
{
uint32_t destination = (uint32_t)pDst + (y * 800 + x) * 4;
uint32_t source = (uint32_t)pSrc;
hdma2d.Init.Mode = DMA2D_M2M;
hdma2d.Init.ColorMode = DMA2D_ARGB8888;
hdma2d.Init.OutputOffset = 800 - xsize;
hdma2d.XferCpltCallback = NULL;
hdma2d.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA;
hdma2d.LayerCfg[1].InputAlpha = 0xFF;
hdma2d.LayerCfg[1].InputColorMode = DMA2D_INPUT_ARGB8888;
hdma2d.LayerCfg[1].InputOffset = 0;
hdma2d.Instance = DMA2D;
if(HAL_DMA2D_Init(&hdma2d) == HAL_OK)
{
if(HAL_DMA2D_ConfigLayer(&hdma2d, 1) == HAL_OK)
{
if (HAL_DMA2D_Start(&hdma2d, source, destination, xsize, ysize) == HAL_OK)
{
HAL_DMA2D_PollForTransfer(&hdma2d, 100);
}if (HAL_DMA2D_Start(&hdma2d, source, destination, xsize, ysize) == HAL_OK) { ... }
}if (HAL_DMA2D_ConfigLayer(&hdma2d, 1) == HAL_OK) { ... }
}if (HAL_DMA2D_Init(&hdma2d) == HAL_OK) { ... }
}{ ... }
#ifdef USE_FULL_ASSERT
/* ... */
void assert_failed(uint8_t *file, uint32_t line)
{
/* ... */
while (1)
{
}while (1) { ... }
}assert_failed (uint8_t *file, uint32_t line) { ... }
/* ... */#endif
/* ... */
/* ... */