EEPW论坛

#include<reg51.h>
#include<intrins.h>

#define uchar unsigned char
#define uint unsigned int
#define Type_LCD_Command 0
#define Type_LCD_Data 1
#define Data P0

sbit LCD_RS=P2^5;
sbit LCD_CS=P2^6;
sbit LCD_RST=P2^7;
sbit LCD_RD=P3^2;
sbit LCD_WR=P3^3;

uint Colors[]={0x0000,0x001f,0xf800,0x07e0,0xffff,0x07ff,0xffe0,0xf81f};
//黑、深蓝、红、绿、白、天蓝、黄、紫

void delayms(uint z)//延时1ms
{
 uint x,y;
 for(x=0;x<z;x++)
  for(y=0;y<110;y++);
}

void LCD_Write(uchar type,uchar dat)//写命令(type=0)、数据(type=1)
{
 LCD_CS=0;//可以理解成片选
 LCD_RS=type;
 LCD_WR=0;
 Data=dat;//上升沿读走Data
 LCD_WR=1;
 LCD_CS=1;
}

void LCD_Color_Byte(uint dat)//写颜色字节
{
 LCD_CS=0;
 LCD_RS=1;
 LCD_WR=0;
 Data=(uchar)dat;//低八位，强制类型转换
 LCD_WR=1;
 LCD_WR=0;
 Data=(uchar)(dat>>8);//高八位，强制类型转换
 LCD_WR=1;
 LCD_CS=1;
}

void Reg_Write(uchar reg,uchar dat)//写寄存器，reg为地址，dat为数据
{
 LCD_Write(Type_LCD_Command,reg);
 LCD_Write(Type_LCD_Data,dat);
}

void LCD_SetRamAdd(uchar xStart,uchar xEnd,uchar yStart,uchar yEnd)//设置当前窗口，具体设置对照芯片资料
{
 Reg_Write(0x09,xStart);
 Reg_Write(0x10,yStart);
 Reg_Write(0x11,xEnd);
 Reg_Write(0x12,yEnd);
 Reg_Write(0x18,xStart);
 Reg_Write(0x19,yStart);
 LCD_Write(Type_LCD_Command,0x22);
}

void LCD_Init()//TFT初始化，具体设置对照芯片资料
{
 Reg_Write(0x01,0x02);
 Reg_Write(0x02,0x12);
 Reg_Write(0x03,0x00);
 Reg_Write(0x04,0x10);
 LCD_SetRamAdd(0,127, 0,159);
 delayms(10);
 LCD_Color_Byte(0xffff);
 Reg_Write(0x05,0x08);
 Reg_Write(0x07,0x7f);
 Reg_Write(0x08,0x17);
 Reg_Write(0x09,0x00);
 Reg_Write(0x10,0x00);
 Reg_Write(0x11,0x83);
 Reg_Write(0x12,0x9f);
 Reg_Write(0x17,0x00);
 Reg_Write(0x18,0x00);
 Reg_Write(0x19,0x00);
 Reg_Write(0x06,0xc7);
 delayms(10);
}

void LCD_Clear(uchar n)//清屏，以某种颜色填充整个屏幕
{
 uint num;
 LCD_SetRamAdd(0,127,0,159);
 for(num=160*128;num>0;num--)
 {
  LCD_Color_Byte(Colors[n]);
 }
}

void Color_Bar()//显示8个彩条
{
 uint i,j;
 for(i=0;i<8;i++)
 {
  LCD_SetRamAdd(0+i*16,15+i*16,0,159);
  for(j=160*16;j>0;j--)
  {
   LCD_Color_Byte(Colors[i]);
  }
 }
}

void main()
{
 int i;
 P2=0xff;
 P0=0xff;
 LCD_Init();
    Color_Bar();
 while(1);
}