TFT显示不对,帮忙看一下谢谢-正点原子的回答

TFT显示不对,帮忙看一下谢谢

2019-10-16 07:57发布

本帖最后由鲨鱼于 2016-11-24 12:40 编辑

[img]file:///C:Program FilesTencentQQEIMUsers2851013008ImageGroupVYLS8J3O(QNZ6KS{SD1[IAE.jpg[/img][img=0,1]file:///C:Program FilesTencentQQEIMUsers2851013008ImageGroupVYLS8J3O(QNZ6KS{SD1[IAE.jpg[/img][img=0,1]file:///C:Program FilesTencentQQEIMUsers2851013008ImageGroupVYLS8J3O(QNZ6KS{SD1[IAE.jpg[/img] QQ图片20161124104501.jpg

我的屏幕是 480*320的驱动IC是9481 我现在用战舰的TFTLCD显示程序进行修改,但是现在我屏幕调整为横屏,用fill的填充程序方向也是已经横屏了,但是横向宽度就是还是320,不知道为什么,哪里设置有问题吗?帮忙下谢谢
QQ图片20161124105002.jpg

竖屏就是正常的

/*************************************************************/
//开始写GRAM
void LCD_WriteRAM_Prepare(void)
{
      LCD->LCD_REG=lcddev.wramcmd;
}

//设置LCD显示方向
//dir:0,竖屏；1,横屏
void LCD_Display_Dir(u8 dir)
{
      if(dir==0)                      //竖屏
      {
            lcddev.wramcmd=0x2C;
            lcddev.dir=0;       //竖屏
            lcddev.width=320;
            lcddev.height=480;
            lcddev.setxcmd=0x2A;
            lcddev.setycmd=0x2B;
            LCD_WriteReg(0x36,0x0A);
      }
      else                               //横屏
      {
            lcddev.wramcmd=0x2C;
            lcddev.dir=1;//横屏
            lcddev.width=480;
            lcddev.height=320;
            lcddev.setxcmd=0x2A;
            lcddev.setycmd=0x2B;
            LCD_WriteReg(0x36,0x28);
      }
}
//清屏函数
//color:要清屏的填充 {MOD}

void LCD_Clear(u16 color)
{
      u32 index=0;
      u32 totalpoint=lcddev.width;
      totalpoint*=lcddev.height;                      //得到总点数

      LCD_SetCursor(0x00,0x0000);       //设置光标位置
      LCD_WriteRAM_Prepare();                   //开始写入GRAM
      for(index=0;index<totalpoint;index++)
      {
            LCD->LCD_RAM=color;
      }
}

//在指定区域内填充单个颜 {MOD}
//(sx,sy),(ex,ey):填充矩形对角坐标,区域大小为

ex-sx+1)*(ey-sy+1)
//color:要填充的颜 {MOD}
void LCD_Fill(u16 sx,u16 sy,u16 ex,u16 ey,u16 color)
{
      u16 i,j;
      u16 xlen=0;

      xlen=ex-sx+1;
      for(i=sy;i<=ey;i++)
      {
            LCD_SetCursor(sx,i);                                     //设置光标位置
            LCD_WriteRAM_Prepare();                            //开始写入GRAM
            for(j=0;j<xlen;j++)LCD_WR_DATA(color);       //设置光标位置
      }
}

//设置光标位置
//Xpos:横坐标
//Ypos:纵坐标
void LCD_SetCursor(u16 Xpos, u16 Ypos)
{
      LCD_WR_REG(lcddev.setxcmd);
      LCD_WR_DATA(Xpos>>8);
      LCD_WR_DATA(0x00FF&Xpos);


      LCD_WR_REG(lcddev.setycmd);
      LCD_WR_DATA(Ypos>>8);
      LCD_WR_DATA(0x00FF&Ypos);

}

void LCD_Init(void)
{
      u16 DeviceCode=0;
      GPIO_InitTypeDef GPIO_InitStructure;
      FSMC_NORSRAMInitTypeDef  FSMC_NORSRAMInitStructure;
  FSMC_NORSRAMTimingInitTypeDef  readWriteTiming;
      FSMC_NORSRAMTimingInitTypeDef  writeTiming;

RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC,ENABLE);       //使能FSMC时钟
      RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOE|RCC_APB2Periph_GPIOG|RCC_APB2Periph_AFIO,ENABLE);//使能PORTB,D,E,G以及AFIO复用功能时钟

      GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;                               //PB0 推挽输出背光
      GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;                //推挽输出
      GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
      GPIO_Init(GPIOB, &GPIO_InitStructure);

      //PORTD复用推挽输出
      GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_14|GPIO_Pin_15;                               //       //PORTD复用推挽输出
      GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;                //复用推挽输出
      GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
      GPIO_Init(GPIOD, &GPIO_InitStructure);

      //PORTE复用推挽输出
      GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;                               //       //PORTD复用推挽输出
      GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;                //复用推挽输出
      GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
      GPIO_Init(GPIOE, &GPIO_InitStructure);

         //       //PORTG12复用推挽输出 A0
      GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_12;       //       //PORTD复用推挽输出
      GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;                //复用推挽输出
      GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
      GPIO_Init(GPIOG, &GPIO_InitStructure);

      readWriteTiming.FSMC_AddressSetupTime = 0x01;       //地址建立时间（ADDSET）为2个HCLK 1/36M=27ns
      readWriteTiming.FSMC_AddressHoldTime = 0x00;       //地址保持时间（ADDHLD）模式A未用到
      readWriteTiming.FSMC_DataSetupTime = 0x0f;                // 数据保存时间为16个HCLK,因为液晶驱动IC的读数据的时候，速度不能太快，尤其对1289这个IC。
      readWriteTiming.FSMC_BusTurnAroundDuration = 0x00;
      readWriteTiming.FSMC_CLKDivision = 0x00;
      readWriteTiming.FSMC_DataLatency = 0x00;
      readWriteTiming.FSMC_AccessMode = FSMC_AccessMode_A;       //模式A

      writeTiming.FSMC_AddressSetupTime = 0x00;       //地址建立时间（ADDSET）为1个HCLK
      writeTiming.FSMC_AddressHoldTime = 0x00;       //地址保持时间（A
      writeTiming.FSMC_DataSetupTime = 0x03;                ////数据保存时间为4个HCLK
      writeTiming.FSMC_BusTurnAroundDuration = 0x00;
      writeTiming.FSMC_CLKDivision = 0x00;
      writeTiming.FSMC_DataLatency = 0x00;
      writeTiming.FSMC_AccessMode = FSMC_AccessMode_A;       //模式A

      FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM4;//  这里我们使用NE4 ，也就对应BTCR[6],[7]。
      FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; // 不复用数据地址
      FSMC_NORSRAMInitStructure.FSMC_MemoryType =FSMC_MemoryType_SRAM;// FSMC_MemoryType_SRAM;  //SRAM
      FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b;//存储器数据宽度为16bit
      FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode =FSMC_BurstAccessMode_Disable;// FSMC_BurstAccessMode_Disable;
      FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;
      FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait=FSMC_AsynchronousWait_Disable;
      FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable;
      FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;
      FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable;       //  存储器写使能
      FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable;
      FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Enable; // 读写使用不同的时序
      FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable;
      FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &readWriteTiming; //读写时序
      FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &writeTiming;  //写时序

      FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure);  //初始化FSMC配置

      FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM4, ENABLE);  // 使能BANK1

      delay_ms(50); // delay 50 ms

      //************* Start Initial Sequence **********//
      LCD_WR_REG(0x11);
      delay_ms(20);
      LCD_WR_REG(0x13);

      LCD_WR_REG(0xD0);
      LCD_WR_DATA(0x07);
      LCD_WR_DATA(0x40);
      LCD_WR_DATA(0x1c);

      LCD_WR_REG(0xD1);
      LCD_WR_DATA(0x00);
      LCD_WR_DATA(0x18);//07
      LCD_WR_DATA(0x1d);

      LCD_WR_REG(0xD2);
      LCD_WR_DATA(0x01);
      LCD_WR_DATA(0x11);

      LCD_WR_REG(0xC0);
      LCD_WR_DATA(0x00);
      LCD_WR_DATA(0x3B);
      LCD_WR_DATA(0x00);
      LCD_WR_DATA(0x02);
      LCD_WR_DATA(0x11);

      LCD_WR_REG(0xC1);
      LCD_WR_DATA(0x10);
      LCD_WR_DATA(0x0B);
      LCD_WR_DATA(0x88);

      LCD_WR_REG(0xC5);
      LCD_WR_DATA(0x01);

      LCD_WR_REG(0xC8);
      LCD_WR_DATA(0x00);
      LCD_WR_DATA(0x30);
      LCD_WR_DATA(0x36);
      LCD_WR_DATA(0x45);
      LCD_WR_DATA(0x04);
      LCD_WR_DATA(0x16);
      LCD_WR_DATA(0x37);
      LCD_WR_DATA(0x75);
      LCD_WR_DATA(0x77);
      LCD_WR_DATA(0x54);
      LCD_WR_DATA(0x0f);
      LCD_WR_DATA(0x00);

      LCD_WR_REG(0xE4);
      LCD_WR_DATA(0xA0);

      LCD_WR_REG(0xF0);
      LCD_WR_DATA(0x01);

      LCD_WR_REG(0xF3);
      LCD_WR_DATA(0x40);
      LCD_WR_DATA(0x0a);

      LCD_WR_REG(0xF7);
      LCD_WR_DATA(0x80);

      LCD_WR_REG(0x36);
      LCD_WR_DATA(0x0A);

      LCD_WR_REG(0x3A);
      LCD_WR_DATA(0x55);

      LCD_WR_REG(0x2A);
      LCD_WR_DATA(0x00);
      LCD_WR_DATA(0x00);
      LCD_WR_DATA(0x01);
      LCD_WR_DATA(0x3F);

      LCD_WR_REG(0x2B);
      LCD_WR_DATA(0x00);
      LCD_WR_DATA(0x00);
      LCD_WR_DATA(0x01);
      LCD_WR_DATA(0xdf);
      delay_ms(120);
      LCD_WR_REG(0x29);
      LCD_WR_REG(0x002c);

      LCD_Display_Dir(1);                      //默认为竖屏
      LCD_LED=1;                                     //点亮背光
      LCD_Clear(RED);
}
int main(void)
{
u8 x=0;
u8 lcd_id[12]; //存放LCD ID字符串
delay_init();            //延时函数初始化
NVIC_Configuration();    //设置NVIC中断分组2:2位抢占优先级，2位响应优先级
uart_init(9600);      //串口初始化为9600
LED_Init();       //LED端口初始化
LCD_Init();
LCD_Fill(0,0,470,20,BLUE);
    while(1)
{
      x++;
if(x==6)x=0;
LED0=!LED0;
delay_ms(1000);
}
}

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4条回答

正点原子

2019-10-16 10:49

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