c51单片机汉字查表c语言,AT89C51单片机驱动液晶显示汉字C语言
此程序的完整工程文件下載:http://www.51hei.com/f/8952lkj_c.rar? 上圖是原理圖及其仿真效果.
/*******************************************************************
AT89C51單片機(jī)驅(qū)動(dòng)液晶顯示漢字C語(yǔ)言
****************************************************************/
#include#define uchar unsigned char
/*****************************************
電路連接
P1------DB0～DB7
P2.0------RS
P2.1------RW
P2.2------E
*****************************************/
#define LCD_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[] = {
//"陜",
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[]={//"電",
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[]={ //"學(xué)",
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[]={//"師",
0x00,0xFC,0x00,0xFF,0x00,0xFA,0x0A,0x0A,
0xFE,0x0A,0x0B,0xFA,0x00,0x09,0x04,0x03,
0x00,0x03,0x00,0x00,0x0F,0x00,0x02,0x03};
/******定義函數(shù)****************/
void? LCD_init(void);//聲明初始化函數(shù)
void? LCD_write_command(uchar command);//寫指令函數(shù)
void? LCD_write_data(uchar dat);//寫數(shù)據(jù)函數(shù)
void? LCD_disp_char(uchar x,uchar y,uchar dat);//在某個(gè)屏幕位置上顯示一
//個(gè)字符,X(0-16),y(1-2)
//void? LCD_check_busy(void);//檢查忙函數(shù)。我沒用到此函數(shù)，因?yàn)橥ㄟ^率極低。
void? delay(uint n);//延時(shí)函數(shù)
//********************************
//*******初始化函數(shù)***************
void? LCD_init(void)
{
LCD_write_command(0x38);//設(shè)置8位格式，2行，5x7
LCD_write_command(0x0c);//整體顯示，關(guān)光標(biāo)，不閃爍
LCD_write_command(0x06);//設(shè)定輸入方式，增量不移位--------------
LCD_write_command(0x01);//清除屏幕顯示----------------
delay(100);//實(shí)踐證明，我的LCD1602上，用for 循環(huán)200 次就能可靠完成清屏指令。
}
//********************************
//********寫指令函數(shù)***********設(shè)置先向1602寫入的數(shù)據(jù)為地址*
void?? LCD_write_command(uchar dat)
{
LCD_DB=dat;
LCD_RS=0;//指令
LCD_RW=0;//寫入
LCD_E=1;//允許
LCD_E=0;//產(chǎn)生下降沿
delay(1);//實(shí)踐證明，我的LCD1602 上，用for 循環(huán)1 次就能完成普通寫指令。
}
//*******************************
//********再寫數(shù)據(jù)函數(shù)*****向1602中寫入數(shù)據(jù)********
void?? LCD_write_data(uchar dat)
{
LCD_DB=dat;
LCD_RS=1;//數(shù)據(jù)
LCD_RW=0;//寫入
LCD_E=1;//允許
LCD_E=0;//產(chǎn)生下降沿
delay(1);
}[page]
void?? writeDataLcd(unsigned char dat)// 寫入數(shù)據(jù)
{
LCD_RS=1; //RS置1??? (運(yùn)算后P5=xxx1 xxxx,即RS=1其他位狀態(tài)不變)
LCD_RW=0; //RW清0?? (運(yùn)算后P5=xx0x xxxx, 即RW=0其他位狀態(tài)不變)
LCD_E=0; //使能E清0?? (運(yùn)算后P5=xxxx 0xxx, 即E=0其他位狀態(tài)不變)
P1? =? dat;? //送數(shù)據(jù)到P2OUT準(zhǔn)備輸出進(jìn)入1602，等E下降沿來(lái)即可進(jìn)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，這樣E從1變0，產(chǎn)生一個(gè)下降,寫入命令到1602。
}
//********************************
//*******顯示一個(gè)字符函數(shù)*********
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);
}
//********************************
/*******檢查忙函數(shù)*************
voidLCD_check_busy()
//實(shí)踐證明，在我的LCD1602 上，檢查忙指令通
過率極低，以至于不能正常使用LCD。因此我沒有再用檢查忙函數(shù)。而使
do//用了延時(shí)的方法，延時(shí)還是非常好用的。我試了一下，用//
{LCD_E=0;???????????????????? //for 循環(huán)作延時(shí)，普通指令只要1次循就可完成。清屏指令
LCD_RS=0;????????????????? //要用200次循環(huán)便能完成。
LCD_RW=1;
LCD_DB=0xff;
LCD_E=1;
while(LCD_DB^7==1);
｝
******************************/
//********延時(shí)函數(shù)***************
void delay(uint n)
{ uint i;
uchar j;
for(i=n;i>0;i--)
for(j=0;j<2;j++); //在這個(gè)延時(shí)循環(huán)函數(shù)中我只做了2次循環(huán)，
} //實(shí)踐證明我的LCD1602 上普
//通的指令只需1次循環(huán)就能可靠完成。
//*******************************
//*********主函數(shù)*****************
void main(void)
{
while(1)
{
uint i;
LCD_init();
while(1)
{
for (i=0;i<12;i++)//陜字上半部
{
cs1=1;
cs2=0;
LCD_disp_char(0,i+36+4,kk[i]);//加36是顯示起始位置左移，因?yàn)橐粋€(gè)漢字的寬度為12
delay(500);
}
for (i=12;i<24;i++)//陜字下半部
{
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++)//電上
{
cs1=0;
cs2=1;
LCD_disp_char(0,i,dian[i]);
delay(500);
}
for (i=12;i<24;i++)//電下
{
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);
}
LCD_write_command(0x01);
delay(10000);
}
}
}
總結(jié)
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