STM32L151+SPI+TFTLCD+HAL例程

ID:356403 · 發(fā)表于 2019-10-21 14:30

      Lcd_Init();
      Lcd_Clear_xy(0,0,BLACK);
//       Gui_DrawFont_GBK16(0,0,YELLOW,RED,"TTTTTT");//顯示字符串
//
//       Gui_DrawFont_GBK16(0,0,YELLOW,RED,"YYYY");
//       Gui_DrawFont_GBK16(32,0,YELLOW,RED,"  ");
//
//       Lcd_Clear_xy(64,100,YELLOW);//清空從64，100到128，128
//       Lcd_Clear_xy_xy(30,30,100,60,YELLOW);//清空從 30，30到100，60
//  Lcd_Clear_xy_xy(32,30,68,33,YELLOW);

      HAL_TIM_Base_Start_IT(&htim2);
      showimage(gImage_zxc);//顯示圖片
      //Gui_DrawFont_GBK16(40,116,YELLOW,RED,(uint8_t *)"TTTTTT");
      //Lcd_Clear(RED);//清屏填充顏色
      //showimage(gImage_zxc);

//向液晶屏寫一個8位指令
void Lcd_WriteIndex(uint8_t Index)
{
//SPI 寫命令時序開始
//NSS = 0;
LCD_CS_CLR;
LCD_RS_CLR;          //LCD_RS_CLR
HAL_SPI_Transmit(&hspi1,&Index,1,0xfff);
//NSS = 1;
LCD_CS_SET;
}
//向液晶屏寫一個8位數據
void Lcd_WriteData(uint8_t Data)
{
      LCD_CS_CLR;
      LCD_RS_SET;
      HAL_SPI_Transmit(&hspi1,&Data,1,0xfff);
      LCD_CS_SET;
}

void LCD_WriteData_16Bit(uint16_t Data)
{
  uint8_t Data_H = Data>>8;
  uint8_t Data_L = Data&0xFF;
      LCD_CS_CLR;
      LCD_RS_SET;
      HAL_SPI_Transmit(&hspi1,&Data_H,1,0xfff);       //寫入高8位數據
      HAL_SPI_Transmit(&hspi1,&Data_L,1,0xfff);       //寫入低8位數據
      LCD_CS_SET;
}

//LCD Init For 1.44Inch LCD Panel with ST7735R.
void Lcd_Init(void)
{

   // LCD_GPIO_Init();
  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1, 1);

  LCD_RST_CLR;
      HAL_Delay(100);
      LCD_RST_SET;
      HAL_Delay(50);
      Lcd_WriteIndex(0x11);//Sleep exit
      HAL_Delay(120);

      //ST7735R Frame Rate
      Lcd_WriteIndex(0xB1);
      Lcd_WriteData(0x01);
      Lcd_WriteData(0x2C);
      Lcd_WriteData(0x2D);

      Lcd_WriteIndex(0xB2);
      Lcd_WriteData(0x01);
      Lcd_WriteData(0x2C);
      Lcd_WriteData(0x2D);

      Lcd_WriteIndex(0xB3);
      Lcd_WriteData(0x01);
      Lcd_WriteData(0x2C);
      Lcd_WriteData(0x2D);
      Lcd_WriteData(0x01);
      Lcd_WriteData(0x2C);
      Lcd_WriteData(0x2D);

      Lcd_WriteIndex(0xB4); //Column inversion
      Lcd_WriteData(0x07);

      //ST7735R Power Sequence
      Lcd_WriteIndex(0xC0);
      Lcd_WriteData(0xA2);
      Lcd_WriteData(0x02);
      Lcd_WriteData(0x84);
      Lcd_WriteIndex(0xC1);
      Lcd_WriteData(0xC5);

      Lcd_WriteIndex(0xC2);
      Lcd_WriteData(0x0A);
      Lcd_WriteData(0x00);

      Lcd_WriteIndex(0xC3);
      Lcd_WriteData(0x8A);
      Lcd_WriteData(0x2A);
      Lcd_WriteIndex(0xC4);
      Lcd_WriteData(0x8A);
      Lcd_WriteData(0xEE);

      Lcd_WriteIndex(0xC5); //VCOM
      Lcd_WriteData(0x0E);

      Lcd_WriteIndex(0x36); //MX, MY, RGB mode
      Lcd_WriteData(0xC8);

      //ST7735R Gamma Sequence
      Lcd_WriteIndex(0xe0);
      Lcd_WriteData(0x0f);
      Lcd_WriteData(0x1a);
      Lcd_WriteData(0x0f);
      Lcd_WriteData(0x18);
      Lcd_WriteData(0x2f);
      Lcd_WriteData(0x28);
      Lcd_WriteData(0x20);
      Lcd_WriteData(0x22);
      Lcd_WriteData(0x1f);
      Lcd_WriteData(0x1b);
      Lcd_WriteData(0x23);
      Lcd_WriteData(0x37);
      Lcd_WriteData(0x00);
      Lcd_WriteData(0x07);
      Lcd_WriteData(0x02);
      Lcd_WriteData(0x10);

      Lcd_WriteIndex(0xe1);
      Lcd_WriteData(0x0f);
      Lcd_WriteData(0x1b);
      Lcd_WriteData(0x0f);
      Lcd_WriteData(0x17);
      Lcd_WriteData(0x33);
      Lcd_WriteData(0x2c);
      Lcd_WriteData(0x29);
      Lcd_WriteData(0x2e);
      Lcd_WriteData(0x30);
      Lcd_WriteData(0x30);
      Lcd_WriteData(0x39);
      Lcd_WriteData(0x3f);
      Lcd_WriteData(0x00);
      Lcd_WriteData(0x07);
      Lcd_WriteData(0x03);
      Lcd_WriteData(0x10);

      Lcd_WriteIndex(0x2a);
      Lcd_WriteData(0x00);
      Lcd_WriteData(0x00);
      Lcd_WriteData(0x00);
      Lcd_WriteData(0x7f);

      Lcd_WriteIndex(0x2b);
      Lcd_WriteData(0x00);
      Lcd_WriteData(0x00);
      Lcd_WriteData(0x00);
      Lcd_WriteData(0x9f);

      Lcd_WriteIndex(0xF0); //Enable test command
      Lcd_WriteData(0x01);
      Lcd_WriteIndex(0xF6); //Disable ram power save mode
      Lcd_WriteData(0x00);

      Lcd_WriteIndex(0x3A); //65k mode
      Lcd_WriteData(0x05);


      Lcd_WriteIndex(0x29);//Display on
}

ID:739683 · 發(fā)表于 2020-5-1 13:44

有屏幕的型號嗎？

ID:388463 · 發(fā)表于 2020-6-27 18:51

很好的參考文檔啊，完美

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STM32L151+SPI+TFTLCD+HAL例程