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AT89C51 of 1602LCD of program

时间:2024-05-02 01:37:09

/*******************************************************************
AT89C51单片机驱动128x64液晶显示C语言
****************************************************************/
#include
#define uchar unsigned char
/*****************************************
电路连接
P1------0~DB7
P2.0------RS
P2.1------RW
P2.2------E
*****************************************/
#define _DB P1
#define uchar unsigned char
#define uint unsigned int
sbit LCD_RS=P2^0;
sbit LCD_RW=P2^1;
sbit LCD_E=P2^2;
sbit cs1=P2^6;
sbit cs2=P2^7;
uchar code kk[] = {
//"陕",
0xFE,0x82,0x1A,0xE6,0x4C,0x74,0x44,0xFF,
0x64,0x5C,0x46,0x44,0x0F,0x00,0x01,0x08,
0x08,0x04,0x03,0x00,0x01,0x02,0x04,0x08};
uchar code xi[]={//"西",
0x02,0xFA,0x0A,0x8A,0x7E,0x0A,0x0A,0xFE,
0x8A,0x8A,0xFB,0x02,0x00,0x0F,0x05,0x04,
0x04,0x04,0x04,0x04,0x04,0x04,0x0F,0x00};
uchar code dian[]={//"电",
0x00,0xFC,0x24,0x24,0x24,0xFF,0x24,0x24,
0x24,0xFE,0x04,0x00,0x00,0x01,0x01,0x01,
0x01,0x07,0x09,0x09,0x09,0x09,0x08,0x0E};
uchar code zi[]={//"子",
0x00,0x20,0x21,0x21,0x21,0x21,0xF9,0x25,
0x23,0x21,0x30,0x20,0x00,0x00,0x00,0x04,
0x08,0x08,0x0F,0x00,0x00,0x00,0x00,0x00};
uchar code ke[]={//"科",
0x8A,0x4A,0xFF,0x29,0x49,0x08,0x22,0xCC,
0x80,0xFF,0x40,0x40,0x01,0x00,0x0F,0x00,
0x00,0x01,0x01,0x00,0x00,0x0F,0x00,0x00};
uchar code ji[]={//"技",
0x48,0x48,0xFF,0x28,0x28,0x64,0xA4,0x3F,
0xA4,0x64,0x26,0x04,0x04,0x08,0x07,0x08,
0x08,0x04,0x02,0x01,0x02,0x04,0x08,0x08};
uchar code xue[]={ //"学",
0x20,0x18,0x29,0x2E,0x28,0xA9,0xAE,0x68,
0x2C,0x0B,0x98,0x08,0x01,0x01,0x01,0x01,
0x05,0x09,0x0F,0x01,0x01,0x01,0x01,0x01};
uchar code yuan[]={//"院",
0xFE,0x02,0x1A,0xE6,0x48,0x54,0xD4,0x55,
0xD6,0x54,0x54,0x4C,0x0F,0x01,0x02,0x09,
0x08,0x04,0x03,0x00,0x07,0x08,0x08,0x0E};
uchar code yu[]={//"余",
0x20,0x50,0x48,0x54,0x52,0xF1,0x52,0xD4,
0x48,0x50,0x60,0x20,0x08,0x04,0x02,0x05,
0x08,0x0F,0x00,0x00,0x01,0x02,0x04,0x08};
uchar code lao[]={//"老",
0x10,0x14,0x14,0x94,0x94,0x5F,0x34,0x9C,
0x94,0x12,0x18,0x10,0x02,0x02,0x01,0x00,
0x07,0x09,0x09,0x08,0x08,0x08,0x0E,0x00};
uchar code shi[]={//"师",
0x00,0xFC,0x00,0xFF,0x00,0xFA,0x0A,0x0A,
0xFE,0x0A,0x0B,0xFA,0x00,0x09,0x04,0x03,
0x00,0x03,0x00,0x00,0x0F,0x00,0x02,0x03};
/******定义函数****************/
void LCD_init(void);//声明初始化函数
void LCD_write_command(uchar command);//写指令函数
void LCD_write_data(uchar dat);//写数据函数
void LCD_disp_char(uchar x,uchar y,uchar dat);//在某个屏幕位置上显示一
//个字符,X(0-16),y(1-2)
//void LCD_check_busy(void);//检查忙函数。我没用到此函数,因为通过率极低。
void delay(uint n);//延时函数
//********************************
//*******初始化函数***************
void LCD_init(void)
{
LCD_write_command(0x38);//设置8位格式,2行,5x7
LCD_write_command(0x0c);//整体显示,关光标,不闪烁
LCD_write_command(0x06);//设定输入方式,增量不移位--------------
LCD_write_command(0x01);//清除屏幕显示----------------
delay(100);//实践证明,我的LCD1602上,用for 循环200 次就能可靠完成清屏指令。
}
//********************************
//********写指令函数***********设置先向1602写入的数据为地址*
void LCD_write_command(uchar dat)
{
LCD_DB=dat;
LCD_RS=0;//指令
LCD_RW=0;//写入
LCD_E=1;//允许
LCD_E=0;//产生下降沿
delay(1);//实践证明,我的LCD1602 上,用for 循环1 次就能完成普通写指令。
}
//*******************************
//********再写数据函数*****向1602中写入数据********
void LCD_write_data(uchar dat)
{
LCD_RS=1; //RS置1 (运算后P5=xxx1 xxxx,即RS=1其他位状态不变)
LCD_RW=0; //RW清0 (运算后P5=xx0x xxxx, 即RW=0其他位状态不变)
LCD_E=1; //使能E清0 (运算后P5=xxxx 0xxx, 即E=0其他位状态不变)
P1 = dat; //送数据到P2OUT准备输出进入1602,等E下降沿来即可进入1602.
LCD_E=1; //使能E置1,P5OUT= xxxx xxxx+0000 1000=xxxx1xxx,E=1.
delay(10);
LCD_E=0; //使能E清0,这样E从1变0,产生一个下降,写入命令到1602。
}

//*******显示一个字符函数*********
void LCD_disp_char(uchar x,uchar y,uchar dat)
{
if(y>=64)
{
y=y-1;
}
LCD_write_command(0x40|y);
delay(10);
LCD_write_command(0xb8|x);
LCD_write_data(dat);
}
//********************************
/*******检查忙函数*************
voidLCD_check_busy()
//实践证明,在我的LCD1602 上,检查忙指令通
过率极低,以至于不能正常使用LCD。因此我没有再用检查忙函数。而使
do//用了延时的方法,延时还是非常好用的。我试了一下,用//
{LCD_E=0; //for 循环作延时,普通指令只要1次循就可完成。清屏指令
LCD_RS=0; //要用200次循环便能完成。
LCD_RW=1;
LCD_DB=0xff;
LCD_E=1;
while(LCD_DB^7==1);

******************************/
//********延时函数***************
void delay(uint n)
{ uint i;
uchar j;
for(i=n;i>0;i--)
for(j=0;j<2;j++); //在这个延时循环函数中我只做了2次循环,
} //实践证明我的LCD1602 上普
//通的指令只需1次循环就能可靠完成。
//*******************************
//*********主函数*****************
void main(void)
{
while(1)
{
uint i;
LCD_init();
while(1)
{
for (i=0;i<12;i++)//陕字上半部
{
cs1=1;
cs2=0;
LCD_disp_char(0,i+36+4,kk[i]);//加36是显示起始位置左移,因为一个汉字的宽度为12
delay(500);
}
for (i=12;i<24;i++)//陕字下半部
{
cs1=1;
cs2=0;
LCD_disp_char(1,i+24+4,kk[i]);
delay(500);
}
for (i=0;i<12;i++)//西上
{
cs1=1;
cs2=0;
LCD_disp_char(0,i+48+4,xi[i]);
delay(500);
}
for (i=12;i<24;i++)//西下
{
cs1=1;
cs2=0;
LCD_disp_char(1,i+36+4,xi[i]);
delay(500);
}
for (i=0;i<12;i++)//电上
{
cs1=0;
cs2=1;
LCD_disp_char(0,i,~dian[i]);
delay(500);
}
for (i=12;i<24;i++)//电下
{
cs1=0;
cs2=1;
LCD_disp_char(1,i-12,~dian[i]);
delay(500);
}
for (i=0;i<12;i++)//子上
{
cs1=0;
cs2=1;
LCD_disp_char(0,i+12,~zi[i]);
delay(500);
}
for (i=12;i<24;i++)//子下
{
cs1=0;
cs2=1;
LCD_disp_char(1,i,~zi[i]);
delay(500);
}
/**************************************/
for (i=0;i<12;i++)//ke上
{

LCD_disp_char(0,i+24,~ke[i]);
delay(500);
}
for (i=12;i<24;i++)//ke下
{
LCD_disp_char(1,i+12,~ke[i]);
delay(500);
}
for (i=0;i<12;i++)//ji上
{
cs1=1;
cs2=0;
LCD_disp_char(3,i+48+4,ji[i]);
delay(500);
}
for (i=12;i<24;i++)//ji下
{
LCD_disp_char(4,i+36+4,ji[i]);
delay(500);
}
for (i=0;i<12;i++)//xue上
{
cs1=0;
cs2=1;
LCD_disp_char(3,i+24-24,~xue[i]);
delay(500);
}
for (i=12;i<24;i++)//xue下
{
LCD_disp_char(4,i+12-24,~xue[i]);
delay(500);
}
for (i=0;i<12;i++)//yuan上
{
cs1=0;
cs2=1;
LCD_disp_char(3,i+36-24,yuan[i]);
delay(500);
}
for (i=12;i<24;i++)//下
{
LCD_disp_char(4,i+24-24,yuan[i]);
delay(500);
}
for (i=0;i<12;i++)//yu上
{
cs1=1;
cs2=0;
LCD_disp_char(6,i+48+4,~yu[i]);
delay(500);
}
for (i=12;i<24;i++)//yu下
{
LCD_disp_char(7,i-12+48+4,~yu[i]);
delay(500);
}
for (i=0;i<12;i++)//老上
{
cs1=0;
cs2=1;
LCD_disp_char(6,i,~lao[i]);
delay(500);
}
for (i=12;i<24;i++)//老下
{
LCD_disp_char(7,i-12,~lao[i]);
delay(500);
}
for (i=0;i<12;i++)//shi上
{
cs1=0;
cs2=1;
LCD_disp_char(6,i+24-12,~shi[i]);
delay(500);
}
for (i=12;i<24;i++)//shi下
{
LCD_disp_char(7,i-12+24-12,~shi[i]);
delay(500);
}<

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