在ART-Pi H750上移植TouchGFX（一）——使用STM32CUBMX生成TouchGFX工程

在ART-Pi H750上移植TouchGFX（一）——使用STM32CUBMX生成TouchGFX工程
在ART-Pi H750上移植TouchGFX（二）——制做MDK的外部QSPI-FLASH烧录算法
在ART-Pi H750上移植TouchGFX（三）——移植TouchGFX到RT-Thread系统
在ART-Pi H750上移植TouchGFX（四）——使用RT-Thread Studio移植TouchGFX
在ART-Pi H750上移植TouchGFX（五）——制做ST-LINK的外部QSPI-FLASH烧录算法

算法

实验平台：

硬件： RT-Thread官方ART-PI H750开发版，正点原子4.3寸RGBLCD屏（800*480）
软件： 最新版本的STM32CubeH7固件库，TouchGFXDesigner v4.14和 STM32CubeMX V6.0.1，开发环境MDK v5.29

测试

联系做者：

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ui

从零开始建立TouchGFX UI项目

选择MCU型号（STM32H750XBH6）

选择和配置组件（系统、外设、中间件）

系统须要

RCCspa

SYS3d

GUI功能须要

I2Ccode

FMC中间件

在主程序中添加SDRAM的初始化代码：blog

#define REFRESH_COUNT 677
#define SDRAM_TIMEOUT ((uint32_t)0xFFFF)
#define SDRAM_MODEREG_BURST_LENGTH_1 ((uint16_t)0x0000)
#define SDRAM_MODEREG_BURST_LENGTH_2 ((uint16_t)0x0001)
#define SDRAM_MODEREG_BURST_LENGTH_4 ((uint16_t)0x0002)
#define SDRAM_MODEREG_BURST_LENGTH_8 ((uint16_t)0x0004)
#define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL ((uint16_t)0x0000)
#define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED ((uint16_t)0x0008)
#define SDRAM_MODEREG_CAS_LATENCY_2 ((uint16_t)0x0020)
#define SDRAM_MODEREG_CAS_LATENCY_3 ((uint16_t)0x0030)
#define SDRAM_MODEREG_OPERATING_MODE_STANDARD ((uint16_t)0x0000)
#define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000) 
#define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE ((uint16_t)0x0200) 
void MX_SDRAM_InitEx(void)
{ 
  __IO uint32_t tmpmrd = 0;
  
  /* Step 1: Configure a clock configuration enable command */
  Command.CommandMode            = FMC_SDRAM_CMD_CLK_ENABLE;
  Command.CommandTarget          =  FMC_SDRAM_CMD_TARGET_BANK1;
  Command.AutoRefreshNumber      = 1;
  Command.ModeRegisterDefinition = 0;

  /* Send the command */
  HAL_SDRAM_SendCommand(&hsdram1, &Command, SDRAM_TIMEOUT);

  /* Step 2: Insert 100 us minimum delay */ 
  /* Inserted delay is equal to 1 ms due to systick time base unit (ms) */
  HAL_Delay(1);
    
  /* Step 3: Configure a PALL (precharge all) command */ 
  Command.CommandMode            = FMC_SDRAM_CMD_PALL;
  Command.CommandTarget          = FMC_SDRAM_CMD_TARGET_BANK1;
  Command.AutoRefreshNumber      = 1;
  Command.ModeRegisterDefinition = 0;

  /* Send the command */
  HAL_SDRAM_SendCommand(&hsdram1, &Command, SDRAM_TIMEOUT);  
  
  /* Step 4: Configure an Auto Refresh command */ 
  Command.CommandMode            = FMC_SDRAM_CMD_AUTOREFRESH_MODE;
  Command.CommandTarget          = FMC_SDRAM_CMD_TARGET_BANK1;
  Command.AutoRefreshNumber      = 4;
  Command.ModeRegisterDefinition = 0;

  /* Send the command */
  HAL_SDRAM_SendCommand(&hsdram1, &Command, SDRAM_TIMEOUT);
  
  /* Step 5: Program the external memory mode register */
  tmpmrd = (uint32_t)SDRAM_MODEREG_BURST_LENGTH_4          |\
                     SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL   |\
                     SDRAM_MODEREG_CAS_LATENCY_2           |\
                     SDRAM_MODEREG_OPERATING_MODE_STANDARD |\
                     SDRAM_MODEREG_WRITEBURST_MODE_SINGLE;

  Command.CommandMode            = FMC_SDRAM_CMD_LOAD_MODE;
  Command.CommandTarget          = FMC_SDRAM_CMD_TARGET_BANK1;
  Command.AutoRefreshNumber      = 1;
  Command.ModeRegisterDefinition = tmpmrd;

  /* Send the command */
  HAL_SDRAM_SendCommand(&hsdram1, &Command, SDRAM_TIMEOUT);
  
  /* Step 6: Set the refresh rate counter */
  /* Set the device refresh rate */
  HAL_SDRAM_ProgramRefreshRate(&hsdram1, REFRESH_COUNT); 
}

QUADSPI队列

DMA2D图片

LCDC
LTDC基本参数设置

Layer参数设置

CRC

NVIC

中间件须要

基本参数配置

任务和队列

TouchGFX软件包

应用层须要

UART
UART4