tuxing.c

零基础单片机C语言设计全套教程

#include<reg52.h>
#include<stdio.h>

unsigned data i;
unsigned char q;
unsigned char *p2;				//建立数组指针
unsigned char wbyte;
unsigned char Column;			//定义列
unsigned char Page;				//定义页

sbit E=P3^2;					//读写使能信号，1有效
sbit R_W=P3^1;				//读写选择信号；1为读选通，0为写选通
sbit RS=P3^0;
sbit D_I=P3^0;					//数据指令选择信号；1为数据操作，0为写指令或读状态

unsigned char data j;
unsigned char data k;

/********************扩充指令集画图********************/
unsigned char data z;			//图形数组的页，为实际点阵行数
unsigned char data y;			//图形数组的列，为实际点阵列数除以8
unsigned char data Column;		//起始点设定：为在液晶中显示的实际起始列
unsigned char data Page;			//起始点设定：为在液晶中显示的实际起始行

char code Tu[64][16]= 			//图形数组,龙的标志
{
0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,
0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x03,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xF0,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x07,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFC,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x07,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,
0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x0F,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xC0,
0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,
0x0F,0xFF,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xE0,0x00,0x00,
0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,
0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xF8,0x80,0x00,0x00,0x00,
0x00,0x00,0x1F,0xFF,0xFF,0xF8,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xF8,
0x80,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xF8,0x80,0x00,0x00,0x00,0xFF,0x1C,
0x0F,0xFF,0xFF,0xFC,0x80,0x00,0x00,0x07,0xFF,0x1F,0x0F,0xFF,0xFF,0xFC,0x80,0x06,
0x00,0x3F,0xFF,0x1F,0x0F,0xFF,0xFF,0xFE,0x80,0x06,0x03,0xFF,0xFF,0x1F,0x07,0xFF,
0xFF,0xFE,0x80,0x04,0x07,0xFF,0xFF,0x1F,0x07,0xFF,0xFF,0xFE,0xC0,0x1C,0x3F,0xFF,
0xFF,0x1F,0x07,0xFF,0xFF,0xFE,0x60,0x30,0xFF,0xFF,0xFF,0x1F,0x07,0xFF,0xFF,0xFE,
0x20,0xE1,0xFF,0xFF,0xFF,0x1F,0x07,0xFF,0xFF,0xFE,0x23,0x87,0xFF,0xFF,0xFF,0x1F,
0x03,0xFF,0xFF,0xFF,0x26,0x1F,0xFF,0xFF,0xFF,0x1E,0x01,0xFF,0xFF,0xFF,0x24,0x3F,
0xFF,0xFF,0xFF,0x1E,0x01,0xFF,0xFF,0xFF,0xFC,0xFF,0xFF,0xFF,0xFF,0x1E,0x00,0x3F,
0xFF,0xFF,0xF8,0xFF,0xFF,0xFF,0xFF,0x1C,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0x18,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x10,0x07,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0x10,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,
0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFE,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x00,0x7F,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFC,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,0x7F,0xFF,
0xF9,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0x00,0x7F,0xFF,0xFB,0xFF,0xFF,0xFF,0xFB,0xC0,
0x00,0x00,0x7F,0xFF,0xEF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x1F,0xFF,0x99,0xFB,
0xFF,0xFF,0xFC,0x00,0x00,0x00,0x3F,0xFF,0xBB,0xFB,0xFF,0xFF,0xFE,0x00,0x00,0x00,
0x3F,0xFF,0xF7,0x7B,0x9F,0xFF,0xFF,0x00,0x00,0x00,0x07,0xFE,0xCE,0x7B,0xDF,0xFF,
0xFF,0x00,0x00,0x00,0x07,0xFF,0xDE,0x7B,0xDF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x1F,
0xB8,0x62,0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x1E,0x30,0x02,0x7F,0xFF,0xFE,0x00,
0x00,0x00,0x00,0x0F,0xE0,0x02,0x7F,0xFF,0xFF,0x00,0x00,0x00,0x00,0x07,0x80,0x02,
0x7F,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x7F,0xFF,0xFF,0x00,0x00,0x00,
0x00,0x00,0x00,0x03,0x7F,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x3F,0xFF,
0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x3F,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,
0x00,0x03,0x3F,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xBF,0xFF,0xE0,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0xFC,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xC0,0x00,0x00,0x00
};

void WCOM(unsigned char dcode); 	//指令操作子函数
void Dat(unsigned char ddata);		//数据操作子函数
void Imim();					//初始化子函数
void EClearlcd();				//扩充指令集清屏子函数
void Tuxing();				//图形显示子函数

void main()
{
 Imim();						//初始化
 EClearlcd();					//扩充指令集清屏

 z=64;						//图形数组的页，为实际点阵行数
 y=16;						//图形数组的列，为实际点阵列数除以8
 Column=0;					//起始点设定：为在液晶中显示的实际起始列
 Page=0;						//起始点设定：为在液晶中显示的实际起始行
 p2=Tu;						//图形数组
 Tuxing();	   					//蝴蝶图案
 while(1)
{
}
}

void WCOM(unsigned char dcode)    	//写指令程序
{
unsigned char q;
 R_W=1;
 D_I=0;						//设置状态
Loop:
 P1=0xFF;
 E=1;						//使能有效
 q=P1;						//将P1口状态读入
 E=0;						//关闭使能信号
 if(q&0x80)					//判断屏幕是否忙
 {
 goto Loop;					//若忙，循环等待
 }
 R_W=0;
 D_I=0;						//写数据指令
 P1= dcode;					//将数据送入P1口
 E=1;						//使能信号开
 E=0;						//使能信号关
}


void Dat(unsigned char ddata)
{
unsigned char q;
 R_W=1;
 D_I=0;						//读状态指令
Loop:
 P1=0xFF;
 E=1;						//使能
 q=P1;
 E=0;
 if(q&0x80)					//判忙
 {
 goto Loop;
 }
 D_I=1;						//送数据指令
 R_W=0;
 P1= ddata;					//写入数据
 E=1;						//使能信号开
 E=0;						//使能信号关
}


void Clearlcd()
{
 D_I=0;
 R_W=0;
 P1=0x01;
 WCOM(0x01);					//清除显示
}

void Imim()
{
 P0=0xFF;					//初始化单片机端口
 P1=0xFF;
 P2=0xFF;
 P3=0xFF;
 E=0;
WCOM(0x38);					//功能设定
 WCOM(0x08);					//关显示指令
 WCOM(0x06);					//游标右移
 Clearlcd();					//清屏
 WCOM(0x0c);					//开显示指令
}




void Tuxing()
{
 unsigned char data v;
 unsigned char data w;
 unsigned char data x;
 unsigned char data h;
unsigned char *pp;				//图形数组指针

 WCOM(0x34);					//功能设定
 WCOM(0x36);					//扩充功能设定
 pp=p2;
 pp=pp+16*y*2;
 for(h=0;h<z/2;h++)  			//页循环
 {
  v=Column|0x80;
  w=Page|0x80;
  WCOM(w);					//送入起始页地址
  WCOM(v);					//送入起始列地址
  Page++; 					//准备对下一页进行操作
  for(x=0;x<2*y;x++) 			//列循环
   {
    if(x<y)
    {
     wbyte=*p2;
     Dat(wbyte);				//循环送入图形数据
     p2=p2+1;
    }
    else
     {
      wbyte=*pp;
      Dat(wbyte);				//循环送入图形数据
      pp=pp+1;
     }
   }
  }
}


void EClearlcd()
{
  unsigned char data Disp_Page;
  unsigned char data i;
  unsigned char data j;
  for(i=0;i<64;i++)				//共32页
  {
   Disp_Page=i|0x80;			//设置页地址
   WCOM(Disp_Page);			//送入页地址
   WCOM(0x80);				//送入起始列地址
   for(j=0;j<32;j++)
   {
    Dat(0x00);					//清屏
   }
  }
}