STM32H750 LTDC ATK-4342 RGBLCD

原创已于 2022-12-01 22:41:25 修改 · 876 阅读

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#stm32 #单片机 #嵌入式硬件

于 2022-11-28 23:30:37 首次发布

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/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

#include "bsp_delay.h"
#include "bsp_sdram.h" 
#include "bsp_lcd.h"

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

LTDC_HandleTypeDef hltdc;

SDRAM_HandleTypeDef hsdram1;

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_FMC_Init(void);
static void MX_LTDC_Init(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_FMC_Init();
  MX_LTDC_Init();
  /* USER CODE BEGIN 2 */
	
	delay_init(400);
	
	Sdram_Init_Sequence();  
	
	uint8_t x=0;
	lcd_init();

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  { 
		switch(x)
		{
			case 0:LTDC_Clear(WHITE);break;
			case 1:LTDC_Clear(BLACK);break;
			case 2:LTDC_Clear(BLUE);break;
			case 3:LTDC_Clear(RED);break;
			case 4:LTDC_Clear(MAGENTA);break;
			case 5:LTDC_Clear(GREEN);break;
			case 6:LTDC_Clear(CYAN);break; 
			case 7:LTDC_Clear(YELLOW);break;
			case 8:LTDC_Clear(BRRED);break;
			case 9:LTDC_Clear(GRAY);break;
			case 10:LTDC_Clear(LGRAY);break;
			case 11:LTDC_Clear(BROWN);break;
		}
		POINT_COLOR=RED;	  
		LCD_ShowString(10,40,260,32,32,"Apollo STM32F4/F7"); 	
		LCD_ShowString(10,80,240,24,24,"LTDC TEST");
		LCD_ShowString(10,110,240,16,16,"ATOM@ALIENTEK");     					 
		LCD_ShowString(10,150,240,12,12,"2016/7/12");	      					  
	  x++;
		if(x==12)x=0;
		delay_ms(1000);	
		HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_0);
		
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Supply configuration update enable
  */
  HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
  /** Configure the main internal regulator output voltage
  */
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
  /** Macro to configure the PLL clock source
  */
  __HAL_RCC_PLL_PLLSOURCE_CONFIG(RCC_PLLSOURCE_HSE);
  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  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;
  RCC_OscInitStruct.PLL.PLLM = 5;
  RCC_OscInitStruct.PLL.PLLN = 160;
  RCC_OscInitStruct.PLL.PLLP = 2;
  RCC_OscInitStruct.PLL.PLLQ = 4;
  RCC_OscInitStruct.PLL.PLLR = 2;
  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
  RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
  RCC_OscInitStruct.PLL.PLLFRACN = 0;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
                              |RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
  RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV4;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief LTDC Initialization Function
  * @param None
  * @retval None
  */
static void MX_LTDC_Init(void)
{

  /* USER CODE BEGIN LTDC_Init 0 */

  /* USER CODE END LTDC_Init 0 */

  LTDC_LayerCfgTypeDef pLayerCfg = {0};

  /* USER CODE BEGIN LTDC_Init 1 */

  /* USER CODE END LTDC_Init 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;
  hltdc.Init.HorizontalSync = 0;
  hltdc.Init.VerticalSync = 0;
  hltdc.Init.AccumulatedHBP = 40;
  hltdc.Init.AccumulatedVBP = 8;
  hltdc.Init.AccumulatedActiveW = 520;
  hltdc.Init.AccumulatedActiveH = 280;
  hltdc.Init.TotalWidth = 525;
  hltdc.Init.TotalHeigh = 288;
  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 = 480;
  pLayerCfg.WindowY0 = 0;
  pLayerCfg.WindowY1 = 272;
  pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_RGB565;
  pLayerCfg.Alpha = 255;
  pLayerCfg.Alpha0 = 0;
  pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
  pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
  pLayerCfg.FBStartAdress = 0xc0000000;
  pLayerCfg.ImageWidth = 480;
  pLayerCfg.ImageHeight = 272;
  pLayerCfg.Backcolor.Blue = 0;
  pLayerCfg.Backcolor.Green = 0;
  pLayerCfg.Backcolor.Red = 0;
  if (HAL_LTDC_ConfigLayer(&hltdc, &pLayerCfg, 0) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN LTDC_Init 2 */

  /* USER CODE END LTDC_Init 2 */

}

/* FMC initialization function */
static void MX_FMC_Init(void)
{

  /* USER CODE BEGIN FMC_Init 0 */

  /* USER CODE END FMC_Init 0 */

  FMC_SDRAM_TimingTypeDef SdramTiming = {0};

  /* USER CODE BEGIN FMC_Init 1 */

  /* USER CODE END FMC_Init 1 */

  /** Perform the SDRAM1 memory initialization sequence
  */
  hsdram1.Instance = FMC_SDRAM_DEVICE;
  /* hsdram1.Init */
  hsdram1.Init.SDBank = FMC_SDRAM_BANK1;
  hsdram1.Init.ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_9;
  hsdram1.Init.RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_13;
  hsdram1.Init.MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_32;
  hsdram1.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;
  hsdram1.Init.CASLatency = FMC_SDRAM_CAS_LATENCY_3;
  hsdram1.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;
  hsdram1.Init.SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_2;
  hsdram1.Init.ReadBurst = FMC_SDRAM_RBURST_ENABLE;
  hsdram1.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0;
  /* SdramTiming */
  SdramTiming.LoadToActiveDelay = 3;
  SdramTiming.ExitSelfRefreshDelay = 8;
  SdramTiming.SelfRefreshTime = 5;
  SdramTiming.RowCycleDelay = 7;
  SdramTiming.WriteRecoveryTime = 3;
  SdramTiming.RPDelay = 2;
  SdramTiming.RCDDelay = 2;

  if (HAL_SDRAM_Init(&hsdram1, &SdramTiming) != HAL_OK)
  {
    Error_Handler( );
  }

  /* USER CODE BEGIN FMC_Init 2 */

  /* USER CODE END FMC_Init 2 */
}

/**
  * @brief GPIO Initialization Function
  * @param None
  * @retval None
  */
static void MX_GPIO_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOI_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();
  __HAL_RCC_GPIOK_CLK_ENABLE();
  __HAL_RCC_GPIOE_CLK_ENABLE();
  __HAL_RCC_GPIOJ_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOH_CLK_ENABLE();
  __HAL_RCC_GPIOC_CLK_ENABLE();
  __HAL_RCC_GPIOG_CLK_ENABLE();
  __HAL_RCC_GPIOD_CLK_ENABLE();
  __HAL_RCC_GPIOF_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOB, GPIO_PIN_5|GPIO_PIN_0, GPIO_PIN_RESET);

  /*Configure GPIO pin : PB5 */
  GPIO_InitStruct.Pin = GPIO_PIN_5;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  /*Configure GPIO pins : PF6 PF7 */
  GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
  HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);

  /*Configure GPIO pins : PF8 PF9 */
  GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF10_QUADSPI;
  HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);

  /*Configure GPIO pin : PB2 */
  GPIO_InitStruct.Pin = GPIO_PIN_2;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_PULLUP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF9_QUADSPI;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  /*Configure GPIO pin : PB0 */
  GPIO_InitStruct.Pin = GPIO_PIN_0;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

#ifndef __BSP_LCD_H
#define __BSP_LCD_H

#ifdef __cplusplus
extern "C" {
#endif

#include "main.h"

#define LCD_WIDTH 480
#define LCD_HEIGHT 272

extern uint16_t FBuffer[LCD_WIDTH*LCD_HEIGHT];
extern uint32_t POINT_COLOR;		//画笔颜色
extern uint32_t BACK_COLOR;  	//背景色 

//画笔颜色
#define WHITE			0xFFFF
#define BLACK			0x0000	  
#define BLUE			0x001F  
#define BRED			0XF81F
#define GRED			0XFFE0
#define GBLUE			0X07FF
#define RED				0xF800
#define MAGENTA		0xF81F
#define GREEN			0x07E0
#define CYAN			0x7FFF
#define YELLOW		0xFFE0
#define BROWN			0XBC40 //棕色
#define BRRED			0XFC07 //棕红色
#define GRAY			0X8430 //灰色
#define LGRAY			0XC618 //浅灰色(PANNEL),窗体背景色

void lcd_init(void);
void LTDC_Draw_Point(uint16_t x,uint16_t y,uint32_t color);
void LCD_ShowChar(uint16_t x, uint16_t y, uint8_t num, uint8_t size, uint8_t mode);
void LCD_ShowString(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint8_t size, uint8_t *p);
void LTDC_Clear(uint32_t color);
void LTDC_Fill(uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey, uint32_t color);
void LCD_ShowNum(uint16_t x,uint16_t y,uint32_t num,uint8_t len,uint8_t size);
uint32_t LCD_Pow(uint8_t m,uint8_t n);
void LCD_Set_Dir(uint8_t dir);

#ifdef __cplusplus
}
#endif

#endif /* __BSP_LCD_H */

#include "bsp_lcd.h"
#include "bsp_font.h"

uint16_t FBuffer[LCD_WIDTH*LCD_HEIGHT] __attribute__((at(0xC0000000)));
uint32_t POINT_COLOR;		//画笔颜色
uint32_t BACK_COLOR;  	//背景色 

uint8_t lcd_dir = 0;//0:横屏、1：竖屏

void lcd_init(void)
{
	HAL_GPIO_WritePin(GPIOB, GPIO_PIN_5, GPIO_PIN_SET);
	LCD_Set_Dir(1);
}

//画点函数
//x,y:坐标
//color:颜色值
void LTDC_Draw_Point(uint16_t x,uint16_t y,uint32_t color)
{ 
	uint16_t dev_x, dev_y;
	
	if(lcd_dir)//竖屏
	{
		dev_x = y;
		dev_y = LCD_HEIGHT - 1 - x;
	}
	else//横屏
	{
		dev_x = x;
		dev_y = y;
	}
	if((dev_y < LCD_HEIGHT) && (dev_x < LCD_WIDTH)) FBuffer[dev_y * LCD_WIDTH + dev_x]=color; 
}

//在指定位置显示一个字符
//x,y:起始坐标
//num:要显示的字符:" "--->"~"
//size:字体大小 12/16/24/32
//mode:叠加方式(1)还是非叠加方式(0)
void LCD_ShowChar(uint16_t x, uint16_t y, uint8_t num, uint8_t size, uint8_t mode)
{  							  
  uint8_t temp,t1,t;
	uint16_t y0=y;
	uint8_t csize=(size/8+((size%8)?1:0))*(size/2);		//得到字体一个字符对应点阵集所占的字节数	
 	num=num-' ';//得到偏移后的值（ASCII字库是从空格开始取模，所以-' '就是对应字符的字库）
	for(t=0;t<csize;t++)
	{   
		if(size==12)temp=asc2_1206[num][t]; 	 	//调用1206字体
		else if(size==16)temp=asc2_1608[num][t];	//调用1608字体
		else if(size==24)temp=asc2_2412[num][t];	//调用2412字体
		else if(size==32)temp=asc2_3216[num][t];	//调用3216字体
		else return;								//没有的字库
		for(t1=0;t1<8;t1++)
		{			    
			if(temp&0x80)LTDC_Draw_Point(x,y,POINT_COLOR);
			else if(mode==0)LTDC_Draw_Point(x,y,BACK_COLOR);
			temp<<=1;
			y++;
			if(y>=LCD_HEIGHT)return;		//超区域了
			if((y-y0)==size)
			{
				y=y0;
				x++;
				if(x>=LCD_WIDTH)return;	//超区域了
				break;
			}
		}  	 
	}  	    	   	 	  
}   

//显示字符串
//x,y:起点坐标
//width,height:区域大小  
//size:字体大小
//*p:字符串起始地址		  
void LCD_ShowString(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint8_t size, uint8_t *p)
{         
	uint8_t x0=x;
	width+=x;
	height+=y;
	while((*p<='~')&&(*p>=' '))//判断是不是非法字符!
	{       
		if(x>=width){x=x0;y+=size;}
		if(y>=height)break;//退出
		LCD_ShowChar(x,y,*p,size,0);
		x+=size/2;
		p++;
	}  
}

//LCD清屏
//color:颜色值
void LTDC_Clear(uint32_t color)
{
	if(lcd_dir)//竖屏
	{
		LTDC_Fill(0,0,LCD_HEIGHT-1,LCD_WIDTH-1,color);
	}
	else//横屏
	{
		LTDC_Fill(0,0,LCD_WIDTH-1,LCD_HEIGHT-1,color);
	}
	
	
//	HAL_DMA2D_Start(&hdma2d, color, (uint32_t)FBuffer, LCD_WIDTH, LCD_HEIGHT); 
//	HAL_DMA2D_PollForTransfer(&hdma2d, 0X1FFFFF);
}

//(sx,sy),(ex,ey):填充矩形对角坐标,区域大小为:(ex-sx+1)*(ey-sy+1)   
//注意:sx,ex,不能大于lcddev.width-1;sy,ey,不能大于lcddev.height-1!!!
//color:要填充的颜色
void LTDC_Fill(uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey, uint32_t color)
{ 
 
	uint16_t i,j;
	for(j = sy; j <= ey; j++)
	{
		for(i = sx; i <= ex; i++)
		{
			LTDC_Draw_Point(i, j, color);
		}
	}
}

//显示数字,高位为0,则不显示
//x,y :起点坐标	 
//len :数字的位数
//size:字体大小
//color:颜色 
//num:数值(0~4294967295);	 
void LCD_ShowNum(uint16_t x,uint16_t y,uint32_t num,uint8_t len,uint8_t size)
{         	
	uint8_t t,temp;
	uint8_t enshow=0;						   
	for(t=0;t<len;t++)
	{
		temp=(num/LCD_Pow(10,len-t-1))%10;
		if(enshow==0&&t<(len-1))
		{
			if(temp==0)
			{
				LCD_ShowChar(x+(size/2)*t,y,' ',size,0);
				continue;
			}else enshow=1; 
		 	 
		}
	 	LCD_ShowChar(x+(size/2)*t,y,temp+'0',size,0); 
	}
} 

//m^n函数
//返回值:m^n次方.
uint32_t LCD_Pow(uint8_t m,uint8_t n) 
{
	uint32_t result=1;	 
	while(n--)result*=m;    
	return result;
}	

//dir:0-横屏、1-竖屏
void LCD_Set_Dir(uint8_t dir)
{
	lcd_dir = dir;
}

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file         stm32h7xx_hal_msp.c
  * @brief        This file provides code for the MSP Initialization
  *               and de-Initialization codes.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2022 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */

/* USER CODE END TD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN Define */

/* USER CODE END Define */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN Macro */

/* USER CODE END Macro */

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* External functions --------------------------------------------------------*/
/* USER CODE BEGIN ExternalFunctions */

/* USER CODE END ExternalFunctions */

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */
/**
  * Initializes the Global MSP.
  */
void HAL_MspInit(void)
{
  /* USER CODE BEGIN MspInit 0 */

  /* USER CODE END MspInit 0 */

  __HAL_RCC_SYSCFG_CLK_ENABLE();

  /* System interrupt init*/

  /* USER CODE BEGIN MspInit 1 */

  /* USER CODE END MspInit 1 */
}

/**
* @brief LTDC MSP Initialization
* This function configures the hardware resources used in this example
* @param hltdc: LTDC handle pointer
* @retval None
*/
void HAL_LTDC_MspInit(LTDC_HandleTypeDef* hltdc)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
  if(hltdc->Instance==LTDC)
  {
  /* USER CODE BEGIN LTDC_MspInit 0 */

  /* USER CODE END LTDC_MspInit 0 */
  /** Initializes the peripherals clock
  */
    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
    PeriphClkInitStruct.PLL3.PLL3M = 25;
    PeriphClkInitStruct.PLL3.PLL3N = 288;
    PeriphClkInitStruct.PLL3.PLL3P = 2;
    PeriphClkInitStruct.PLL3.PLL3Q = 2;
    PeriphClkInitStruct.PLL3.PLL3R = 32;
    PeriphClkInitStruct.PLL3.PLL3RGE = RCC_PLL3VCIRANGE_0;
    PeriphClkInitStruct.PLL3.PLL3VCOSEL = RCC_PLL3VCOWIDE;
    PeriphClkInitStruct.PLL3.PLL3FRACN = 0;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
    {
      Error_Handler();
    }

    /* Peripheral clock enable */
    __HAL_RCC_LTDC_CLK_ENABLE();

    __HAL_RCC_GPIOK_CLK_ENABLE();
    __HAL_RCC_GPIOJ_CLK_ENABLE();
    __HAL_RCC_GPIOI_CLK_ENABLE();
    /**LTDC GPIO Configuration
    PK5     ------> LTDC_B6
    PK4     ------> LTDC_B5
    PJ15     ------> LTDC_B3
    PK6     ------> LTDC_B7
    PK3     ------> LTDC_B4
    PK7     ------> LTDC_DE
    PI12     ------> LTDC_HSYNC
    PI13     ------> LTDC_VSYNC
    PI14     ------> LTDC_CLK
    PK2     ------> LTDC_G7
    PK0     ------> LTDC_G5
    PK1     ------> LTDC_G6
    PJ11     ------> LTDC_G4
    PJ10     ------> LTDC_G3
    PJ9     ------> LTDC_G2
    PJ6     ------> LTDC_R7
    PJ5     ------> LTDC_R6
    PJ2     ------> LTDC_R3
    PJ3     ------> LTDC_R4
    PJ4     ------> LTDC_R5
    */
    GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_4|GPIO_PIN_6|GPIO_PIN_3
                          |GPIO_PIN_7|GPIO_PIN_2|GPIO_PIN_0|GPIO_PIN_1;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF14_LTDC;
    HAL_GPIO_Init(GPIOK, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_15|GPIO_PIN_11|GPIO_PIN_10|GPIO_PIN_9
                          |GPIO_PIN_6|GPIO_PIN_5|GPIO_PIN_2|GPIO_PIN_3
                          |GPIO_PIN_4;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF14_LTDC;
    HAL_GPIO_Init(GPIOJ, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF14_LTDC;
    HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);

  /* USER CODE BEGIN LTDC_MspInit 1 */

  /* USER CODE END LTDC_MspInit 1 */
  }

}

/**
* @brief LTDC MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hltdc: LTDC handle pointer
* @retval None
*/
void HAL_LTDC_MspDeInit(LTDC_HandleTypeDef* hltdc)
{
  if(hltdc->Instance==LTDC)
  {
  /* USER CODE BEGIN LTDC_MspDeInit 0 */

  /* USER CODE END LTDC_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_LTDC_CLK_DISABLE();

    /**LTDC GPIO Configuration
    PK5     ------> LTDC_B6
    PK4     ------> LTDC_B5
    PJ15     ------> LTDC_B3
    PK6     ------> LTDC_B7
    PK3     ------> LTDC_B4
    PK7     ------> LTDC_DE
    PI12     ------> LTDC_HSYNC
    PI13     ------> LTDC_VSYNC
    PI14     ------> LTDC_CLK
    PK2     ------> LTDC_G7
    PK0     ------> LTDC_G5
    PK1     ------> LTDC_G6
    PJ11     ------> LTDC_G4
    PJ10     ------> LTDC_G3
    PJ9     ------> LTDC_G2
    PJ6     ------> LTDC_R7
    PJ5     ------> LTDC_R6
    PJ2     ------> LTDC_R3
    PJ3     ------> LTDC_R4
    PJ4     ------> LTDC_R5
    */
    HAL_GPIO_DeInit(GPIOK, GPIO_PIN_5|GPIO_PIN_4|GPIO_PIN_6|GPIO_PIN_3
                          |GPIO_PIN_7|GPIO_PIN_2|GPIO_PIN_0|GPIO_PIN_1);

    HAL_GPIO_DeInit(GPIOJ, GPIO_PIN_15|GPIO_PIN_11|GPIO_PIN_10|GPIO_PIN_9
                          |GPIO_PIN_6|GPIO_PIN_5|GPIO_PIN_2|GPIO_PIN_3
                          |GPIO_PIN_4);

    HAL_GPIO_DeInit(GPIOI, GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14);

  /* USER CODE BEGIN LTDC_MspDeInit 1 */

  /* USER CODE END LTDC_MspDeInit 1 */
  }

}

static uint32_t FMC_Initialized = 0;

static void HAL_FMC_MspInit(void){
  /* USER CODE BEGIN FMC_MspInit 0 */

  /* USER CODE END FMC_MspInit 0 */
  GPIO_InitTypeDef GPIO_InitStruct ={0};
  if (FMC_Initialized) {
    return;
  }
  FMC_Initialized = 1;
  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};

  /** Initializes the peripherals clock
  */
    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_FMC;
    PeriphClkInitStruct.FmcClockSelection = RCC_FMCCLKSOURCE_D1HCLK;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
    {
      Error_Handler();
    }

  /* Peripheral clock enable */
  __HAL_RCC_FMC_CLK_ENABLE();

  /** FMC GPIO Configuration
  PI6   ------> FMC_D28
  PI5   ------> FMC_NBL3
  PI4   ------> FMC_NBL2
  PI1   ------> FMC_D25
  PI0   ------> FMC_D24
  PI7   ------> FMC_D29
  PE1   ------> FMC_NBL1
  PI2   ------> FMC_D26
  PH15   ------> FMC_D23
  PH14   ------> FMC_D22
  PE0   ------> FMC_NBL0
  PI3   ------> FMC_D27
  PG15   ------> FMC_SDNCAS
  PD0   ------> FMC_D2
  PH13   ------> FMC_D21
  PI9   ------> FMC_D30
  PD1   ------> FMC_D3
  PI10   ------> FMC_D31
  PG8   ------> FMC_SDCLK
  PF2   ------> FMC_A2
  PF1   ------> FMC_A1
  PF0   ------> FMC_A0
  PG5   ------> FMC_BA1
  PF3   ------> FMC_A3
  PG4   ------> FMC_BA0
  PG2   ------> FMC_A12
  PF5   ------> FMC_A5
  PF4   ------> FMC_A4
  PC0   ------> FMC_SDNWE
  PC2   ------> FMC_SDNE0
  PC3   ------> FMC_SDCKE0
  PE10   ------> FMC_D7
  PF13   ------> FMC_A7
  PF14   ------> FMC_A8
  PE9   ------> FMC_D6
  PE11   ------> FMC_D8
  PH10   ------> FMC_D18
  PH11   ------> FMC_D19
  PD15   ------> FMC_D1
  PD14   ------> FMC_D0
  PF12   ------> FMC_A6
  PF15   ------> FMC_A9
  PE12   ------> FMC_D9
  PE15   ------> FMC_D12
  PH9   ------> FMC_D17
  PH12   ------> FMC_D20
  PF11   ------> FMC_SDNRAS
  PG0   ------> FMC_A10
  PE8   ------> FMC_D5
  PE13   ------> FMC_D10
  PH8   ------> FMC_D16
  PD10   ------> FMC_D15
  PD9   ------> FMC_D14
  PG1   ------> FMC_A11
  PE7   ------> FMC_D4
  PE14   ------> FMC_D11
  PD8   ------> FMC_D13
  */
  GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_5|GPIO_PIN_4|GPIO_PIN_1
                          |GPIO_PIN_0|GPIO_PIN_7|GPIO_PIN_2|GPIO_PIN_3
                          |GPIO_PIN_9|GPIO_PIN_10;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
  HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);

  GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_0|GPIO_PIN_10|GPIO_PIN_9
                          |GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_15|GPIO_PIN_8
                          |GPIO_PIN_13|GPIO_PIN_7|GPIO_PIN_14;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
  HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);

  GPIO_InitStruct.Pin = GPIO_PIN_15|GPIO_PIN_14|GPIO_PIN_13|GPIO_PIN_10
                          |GPIO_PIN_11|GPIO_PIN_9|GPIO_PIN_12|GPIO_PIN_8;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
  HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);

  GPIO_InitStruct.Pin = GPIO_PIN_15|GPIO_PIN_8|GPIO_PIN_5|GPIO_PIN_4
                          |GPIO_PIN_2|GPIO_PIN_0|GPIO_PIN_1;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
  HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);

  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_15|GPIO_PIN_14
                          |GPIO_PIN_10|GPIO_PIN_9|GPIO_PIN_8;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
  HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

  GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_1|GPIO_PIN_0|GPIO_PIN_3
                          |GPIO_PIN_5|GPIO_PIN_4|GPIO_PIN_13|GPIO_PIN_14
                          |GPIO_PIN_12|GPIO_PIN_15|GPIO_PIN_11;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
  HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);

  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_2|GPIO_PIN_3;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

  /* USER CODE BEGIN FMC_MspInit 1 */

  /* USER CODE END FMC_MspInit 1 */
}

void HAL_SDRAM_MspInit(SDRAM_HandleTypeDef* hsdram){
  /* USER CODE BEGIN SDRAM_MspInit 0 */

  /* USER CODE END SDRAM_MspInit 0 */
  HAL_FMC_MspInit();
  /* USER CODE BEGIN SDRAM_MspInit 1 */

  /* USER CODE END SDRAM_MspInit 1 */
}

static uint32_t FMC_DeInitialized = 0;

static void HAL_FMC_MspDeInit(void){
  /* USER CODE BEGIN FMC_MspDeInit 0 */

  /* USER CODE END FMC_MspDeInit 0 */
  if (FMC_DeInitialized) {
    return;
  }
  FMC_DeInitialized = 1;
  /* Peripheral clock enable */
  __HAL_RCC_FMC_CLK_DISABLE();

  /** FMC GPIO Configuration
  PI6   ------> FMC_D28
  PI5   ------> FMC_NBL3
  PI4   ------> FMC_NBL2
  PI1   ------> FMC_D25
  PI0   ------> FMC_D24
  PI7   ------> FMC_D29
  PE1   ------> FMC_NBL1
  PI2   ------> FMC_D26
  PH15   ------> FMC_D23
  PH14   ------> FMC_D22
  PE0   ------> FMC_NBL0
  PI3   ------> FMC_D27
  PG15   ------> FMC_SDNCAS
  PD0   ------> FMC_D2
  PH13   ------> FMC_D21
  PI9   ------> FMC_D30
  PD1   ------> FMC_D3
  PI10   ------> FMC_D31
  PG8   ------> FMC_SDCLK
  PF2   ------> FMC_A2
  PF1   ------> FMC_A1
  PF0   ------> FMC_A0
  PG5   ------> FMC_BA1
  PF3   ------> FMC_A3
  PG4   ------> FMC_BA0
  PG2   ------> FMC_A12
  PF5   ------> FMC_A5
  PF4   ------> FMC_A4
  PC0   ------> FMC_SDNWE
  PC2   ------> FMC_SDNE0
  PC3   ------> FMC_SDCKE0
  PE10   ------> FMC_D7
  PF13   ------> FMC_A7
  PF14   ------> FMC_A8
  PE9   ------> FMC_D6
  PE11   ------> FMC_D8
  PH10   ------> FMC_D18
  PH11   ------> FMC_D19
  PD15   ------> FMC_D1
  PD14   ------> FMC_D0
  PF12   ------> FMC_A6
  PF15   ------> FMC_A9
  PE12   ------> FMC_D9
  PE15   ------> FMC_D12
  PH9   ------> FMC_D17
  PH12   ------> FMC_D20
  PF11   ------> FMC_SDNRAS
  PG0   ------> FMC_A10
  PE8   ------> FMC_D5
  PE13   ------> FMC_D10
  PH8   ------> FMC_D16
  PD10   ------> FMC_D15
  PD9   ------> FMC_D14
  PG1   ------> FMC_A11
  PE7   ------> FMC_D4
  PE14   ------> FMC_D11
  PD8   ------> FMC_D13
  */
  HAL_GPIO_DeInit(GPIOI, GPIO_PIN_6|GPIO_PIN_5|GPIO_PIN_4|GPIO_PIN_1
                          |GPIO_PIN_0|GPIO_PIN_7|GPIO_PIN_2|GPIO_PIN_3
                          |GPIO_PIN_9|GPIO_PIN_10);

  HAL_GPIO_DeInit(GPIOE, GPIO_PIN_1|GPIO_PIN_0|GPIO_PIN_10|GPIO_PIN_9
                          |GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_15|GPIO_PIN_8
                          |GPIO_PIN_13|GPIO_PIN_7|GPIO_PIN_14);

  HAL_GPIO_DeInit(GPIOH, GPIO_PIN_15|GPIO_PIN_14|GPIO_PIN_13|GPIO_PIN_10
                          |GPIO_PIN_11|GPIO_PIN_9|GPIO_PIN_12|GPIO_PIN_8);

  HAL_GPIO_DeInit(GPIOG, GPIO_PIN_15|GPIO_PIN_8|GPIO_PIN_5|GPIO_PIN_4
                          |GPIO_PIN_2|GPIO_PIN_0|GPIO_PIN_1);

  HAL_GPIO_DeInit(GPIOD, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_15|GPIO_PIN_14
                          |GPIO_PIN_10|GPIO_PIN_9|GPIO_PIN_8);

  HAL_GPIO_DeInit(GPIOF, GPIO_PIN_2|GPIO_PIN_1|GPIO_PIN_0|GPIO_PIN_3
                          |GPIO_PIN_5|GPIO_PIN_4|GPIO_PIN_13|GPIO_PIN_14
                          |GPIO_PIN_12|GPIO_PIN_15|GPIO_PIN_11);

  HAL_GPIO_DeInit(GPIOC, GPIO_PIN_0|GPIO_PIN_2|GPIO_PIN_3);

  /* USER CODE BEGIN FMC_MspDeInit 1 */

  /* USER CODE END FMC_MspDeInit 1 */
}

void HAL_SDRAM_MspDeInit(SDRAM_HandleTypeDef* hsdram){
  /* USER CODE BEGIN SDRAM_MspDeInit 0 */

  /* USER CODE END SDRAM_MspDeInit 0 */
  HAL_FMC_MspDeInit();
  /* USER CODE BEGIN SDRAM_MspDeInit 1 */

  /* USER CODE END SDRAM_MspDeInit 1 */
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

总结：
1、LTDC时钟设置为9MHz
在这里插入图片描述

2、同步时序图