我用STC15F2K60S2单片机调试9325TFT彩屏，为什么载入程序后只有白屏，背光亮？各位大神帮帮我把！！

katherine5244 · 发表于 2016-3-24 18:42:24

#include <reg51.h>

#define Bus_16       //16位数据模式,如果使用8位模式，请注释此语句，如果使用16位模式，请打开此句
#define  LCD_DataPortH P3    //高8位数据口,8位模式下只使用高8位
#define  LCD_DataPortL P1    //低8位数据口 ,8位模式下低8位可以不接线,请确认P0口已经上拉10K电阻,不宜太小，最小4.7K,推荐10K.
sbit LCD_RS = P2^6;    //数据/命令切换
sbit LCD_WR = P2^5; //写控制
sbit LCD_RD =P2^4;    //读控制
sbit LCD_CS=P2^3;  //片选
sbit LCD_REST = P2^2;    //复位
void delayms(int count)  // /* X1ms */
{
      int i,j;
      for(i=0;i<count;i++)
            for(j=0;j<1000;j++);
}
#ifdef  Bus_16 //条件编译-16位数据模式
void LCD_Writ_Bus(char VH,char VL) //并行数据写入函数
{
LCD_DataPortH=VH;
LCD_DataPortL=VL;
LCD_WR=0;
LCD_WR=1;
}
#else //条件编译-8位数据模式
void LCD_Writ_Bus(char VH,char VL) //并行数据写入函数
{
LCD_DataPortH=VH;
LCD_WR=0;
LCD_WR=1;
LCD_DataPortH=VL;
LCD_WR=0;
LCD_WR=1;
}
#endif
void Lcd_Write_Com(char VH,char VL)  //发送命令-8位参数
{
LCD_RS=0;
LCD_Writ_Bus(VH,VL);
}
void Lcd_Write_Data(char VH,char VL) //发送数据-8位参数
{
LCD_RS=1;
LCD_Writ_Bus(VH,VL);
}
void Lcd_Write_Com_Data(int com,int val)    //发送数据命令
{
Lcd_Write_Com(com>>8,com);
Lcd_Write_Data(val>>8,val);
}
void Address_set(unsigned int x1,unsigned int y1,unsigned int x2,unsigned int y2)
{
Lcd_Write_Com(0x00,0x20);Lcd_Write_Data(x1>>8,x1); //设置X坐标位置
Lcd_Write_Com(0x00,0x21);Lcd_Write_Data(y1>>8,y1); //设置Y坐标位置
Lcd_Write_Com(0x00,0x50);Lcd_Write_Data(x1>>8,x1); //开始X
Lcd_Write_Com(0x00,0x52);Lcd_Write_Data(y1>>8,y1); //开始Y
Lcd_Write_Com(0x00,0x51);Lcd_Write_Data(x2>>8,x2); //结束X
Lcd_Write_Com(0x00,0x53);Lcd_Write_Data(y2>>8,y2); //结束Y
Lcd_Write_Com(0x00,0x22);
}
void Lcd_Init(void)
{
LCD_REST=1;
delayms(5);
LCD_REST=0;
delayms(5);
LCD_REST=1;
LCD_CS=1;
LCD_RD=1;
LCD_WR=1;
delayms(5);

LCD_CS =0;  //打开片选使能
//************* Start Initial Sequence **********//

Lcd_Write_Com_Data(0x0001,0x0100);
Lcd_Write_Com_Data(0x0002,0x0700);
Lcd_Write_Com_Data(0x0003,0x1030);
Lcd_Write_Com_Data(0x0004,0x0000);
Lcd_Write_Com_Data(0x0008,0x0207);
Lcd_Write_Com_Data(0x0009,0x0000);
Lcd_Write_Com_Data(0x000A,0x0000);
Lcd_Write_Com_Data(0x000C,0x0000);
Lcd_Write_Com_Data(0x000D,0x0000);
Lcd_Write_Com_Data(0x000F,0x0000);
//power on sequence VGHVGL
Lcd_Write_Com_Data(0x0010,0x0000);
Lcd_Write_Com_Data(0x0011,0x0007);
Lcd_Write_Com_Data(0x0012,0x0000);
Lcd_Write_Com_Data(0x0013,0x0000);
//vgh
Lcd_Write_Com_Data(0x0010,0x1290);
Lcd_Write_Com_Data(0x0011,0x0227);
//delayms(100);
//vregiout
Lcd_Write_Com_Data(0x0012,0x001d); //0x001b
//delayms(100);
//vom amplitude
Lcd_Write_Com_Data(0x0013,0x1500);
//delayms(100);
//vom H
Lcd_Write_Com_Data(0x0029,0x0018);
Lcd_Write_Com_Data(0x002B,0x000D);
//gamma
Lcd_Write_Com_Data(0x0030,0x0004);
Lcd_Write_Com_Data(0x0031,0x0307);
Lcd_Write_Com_Data(0x0032,0x0002);// 0006
Lcd_Write_Com_Data(0x0035,0x0206);
Lcd_Write_Com_Data(0x0036,0x0408);
Lcd_Write_Com_Data(0x0037,0x0507);
Lcd_Write_Com_Data(0x0038,0x0204);//0200
Lcd_Write_Com_Data(0x0039,0x0707);
Lcd_Write_Com_Data(0x003C,0x0405);// 0504
Lcd_Write_Com_Data(0x003D,0x0F02);
//ram
Lcd_Write_Com_Data(0x0050,0x0000);
Lcd_Write_Com_Data(0x0051,0x00EF);
Lcd_Write_Com_Data(0x0052,0x0000);
Lcd_Write_Com_Data(0x0053,0x013F);
Lcd_Write_Com_Data(0x0060,0xA700);
Lcd_Write_Com_Data(0x0061,0x0001);
Lcd_Write_Com_Data(0x006A,0x0000);
//
Lcd_Write_Com_Data(0x0080,0x0000);
Lcd_Write_Com_Data(0x0081,0x0000);
Lcd_Write_Com_Data(0x0082,0x0000);
Lcd_Write_Com_Data(0x0083,0x0000);
Lcd_Write_Com_Data(0x0084,0x0000);
Lcd_Write_Com_Data(0x0085,0x0000);
//
Lcd_Write_Com_Data(0x0090,0x0010);
Lcd_Write_Com_Data(0x0092,0x0600);
Lcd_Write_Com_Data(0x0093,0x0003);
Lcd_Write_Com_Data(0x0095,0x0110);
Lcd_Write_Com_Data(0x0097,0x0000);
Lcd_Write_Com_Data(0x0098,0x0000);
Lcd_Write_Com_Data(0x0007,0x0133);
Lcd_Write_Com(0x00,0x22);
LCD_CS =1;  //关闭片选使能
}
void Pant(char VH,char VL)
{
int i,j;
LCD_CS =0;  //打开片选使能
Address_set(0,0,239,319);
for(i=0;i<320;i++)
  {
for (j=0;j<240;j++)
   {
      Lcd_Write_Data(VH,VL);
   }
}
   LCD_CS =1;  //关闭片选使能
}
main()
{
Lcd_Init();       //TFT初始化
  Pant(0xff,0xff);  //TFT清屏
while(1)
{
   Pant(0xf8,0x00); //红色
  delayms(2000);
   Pant(0X07,0xE0); //绿色
  delayms(2000);
   Pant(0x00,0x1f); //蓝色
   delayms(2000);
}

}