单片机汉字8x8点阵LED动态显示程序 , 单片机汉字8x8点阵LED动态显示程序

你好 这是利用单片机的定时器 来控制完成扫描显示的 每4ms刷新一列的led。用你的程序 来大致说明一下吧 T0X:MOV TH0,#(65536-4000)/256 ；进入中断从装定时数据 MOV TL0,#(65536-4000) MOD 256 MOV DPTR,#TAB

//显示0 w=0x01; //行变量为第一行 for(i=0;i<8;i++){ P1=w;//行数据送P1口 P0=led0[i];delayms(1);//列数据送P0口 w<<=1;//向下移动一行 } } } void delay1ms(unsigned int ms){ unsigned

1． 程序设计内容 8X8点阵LED工作原理说明 :8X8点阵共需要64个发光二极管组成，且每个发光二极管是放置在行线和列线的交叉点上，当对应的某一列置1电平，某一行置0电平，则相应的二极管就亮；因此要实现一根柱形的亮法，

0x22,0x1C},//3 {0x08,0x18,0x28,0x48,0x7C,0x08,0x08,0x08},//4 {0x3E,0x20,0x20,0x3E,0x02,0x02,0x22,0x1C},//5 {0x1C,0x22,0x20,

说明你的程序根本就不能控制8x8点阵LED，都不能点亮。再说了，显示一个汉字，至少要16x16的点阵，开发板上的8x8点阵只能显示一些图形，根本就不能显示汉字的。

static unsigned int tmr = 0; //1s软件定时器 static unsigned char index = 9; //图片刷新索引 TH0 = 0xFC; //重新加载初值 TL0 = 0x67;//以下代码完成LED点阵动态扫描刷新 P0 = 0xFF; //显示消隐

单片机汉字8x8点阵LED动态显示程序

单片机8*8点阵（0~F十六进制数字，可做成8*8图形）仿真实例。)LED EQU P3;;;LED灯显示定义 KEY EQU P1;;;键盘接口定义 TIME EQU 30H CNTA EQU 31H CNTB EQU 32H ;---程序入口定义 ORG 0000H JMP START

LEDTAB: DB 0C0H ;"0" 00H DB 0F9H ;"1" 01H DB 0A4H ;"2" 02H DB 0B0H ;"3" 03H DB 99H ;"4" 04H DB 92H ;"5" 05H DB 82H ;"6" 06H DB 0F8H ;"7" 07H DB 80H ;"8

8*8造汉字很困难的，你可以找一个8*8的汉字库（如果有的话），用字模提取软件（网上很多的）获取点阵字库数据，之后写入这个8*8点阵就OK了。

unsigned char code led0[]={};//字码表,你自己把你要显示的字码放进去就可以了 void main(){ unsigned char w,i;while(1){ //显示0 w=0x01; //行变量为第一行 for(i=0;i<8;i++){ P1=w;//行数

DB 0,48,8,132,132,72,48,0 DB 0,0,192,48,12,252,0,0 DB 0,252,68,68,68,132,4,0 DB 0,240,136,68,68,136,48,0 DB 16,12,4,4,132,100,28,0 DB 0,48,72,132,132,72,48,0 DB

求8*8 LED点阵的字形码

1． 程序设计内容 8X8点阵LED工作原理说明 :8X8点阵共需要64个发光二极管组成，且每个发光二极管是放置在行线和列线的交叉点上，当对应的某一列置1电平，某一行置0电平，则相应的二极管就亮；因此要实现一根柱形的亮法，

0x22,0x1C},//3 {0x08,0x18,0x28,0x48,0x7C,0x08,0x08,0x08},//4 {0x3E,0x20,0x20,0x3E,0x02,0x02,0x22,0x1C},//5 {0x1C,0x22,0x20,

说明你的程序根本就不能控制8x8点阵LED，都不能点亮。再说了，显示一个汉字，至少要16x16的点阵，开发板上的8x8点阵只能显示一些图形，根本就不能显示汉字的。

static unsigned int tmr = 0; //1s软件定时器 static unsigned char index = 9; //图片刷新索引 TH0 = 0xFC; //重新加载初值 TL0 = 0x67;//以下代码完成LED点阵动态扫描刷新 P0 = 0xFF; //显示消隐

单片机汉字8x8点阵LED动态显示程序

一．基于51的点阵屏显示：（1）点亮第一个8*8点阵:1.首先在Proteus下选择我们需要的元件，AT89C51、74LS138、MATRIX-8*8-GREEN(在这里使用绿色的点阵)。在Proteus 6.9中8*8的点阵总共有四种颜色，分别为MATRIX-8*8-

你好 这是利用单片机的定时器 来控制完成扫描显示的 每4ms刷新一列的led。用你的程序 来大致说明一下吧 T0X:MOV TH0,#(65536-4000)/256 ；进入中断从装定时数据 MOV TL0,#(65536-4000) MOD 256 MOV DPTR,#TAB

//显示0 w=0x01; //行变量为第一行 for(i=0;i<8;i++){ P1=w;//行数据送P1口 P0=led0[i];delayms(1);//列数据送P0口 w<<=1;//向下移动一行 } } } void delay1ms(unsigned int ms){ unsigned

1． 程序设计内容 8X8点阵LED工作原理说明 :8X8点阵共需要64个发光二极管组成，且每个发光二极管是放置在行线和列线的交叉点上，当对应的某一列置1电平，某一行置0电平，则相应的二极管就亮；因此要实现一根柱形的亮法，

0x22,0x1C},//3 {0x08,0x18,0x28,0x48,0x7C,0x08,0x08,0x08},//4 {0x3E,0x20,0x20,0x3E,0x02,0x02,0x22,0x1C},//5 {0x1C,0x22,0x20,

说明你的程序根本就不能控制8x8点阵LED，都不能点亮。再说了，显示一个汉字，至少要16x16的点阵，开发板上的8x8点阵只能显示一些图形，根本就不能显示汉字的。

static unsigned int tmr = 0; //1s软件定时器 static unsigned char index = 9; //图片刷新索引 TH0 = 0xFC; //重新加载初值 TL0 = 0x67;//以下代码完成LED点阵动态扫描刷新 P0 = 0xFF; //显示消隐

单片机汉字8x8点阵LED动态显示程序

1． 程序设计内容 8X8点阵LED工作原理说明 :8X8点阵共需要64个发光二极管组成，且每个发光二极管是放置在行线和列线的交叉点上，当对应的某一列置1电平，某一行置0电平，则相应的二极管就亮；因此要实现一根柱形的亮法，

说明你的程序根本就不能控制8x8点阵LED，都不能点亮。再说了，显示一个汉字，至少要16x16的点阵，开发板上的8x8点阵只能显示一些图形，根本就不能显示汉字的。

ENLED = 0; //使能U4，选择LED点阵 ADDR3 = 0;TMOD = 0x01; //设置T0为模式1 TH0 = 0xFC; //为T0赋初值0xFC67，定时1ms TL0 = 0x67;ET0 = 1; //使能T0中断 TR0 = 1; //启动T0

void main(){ unsigned char w,i;while(1){ //显示0 w=0x01; //行变量为第一行 for(i=0;i<8;i++){ P1=w;//行数据送P1口 P0=led0[i];delayms(1);//列数据送P0口 w<<=1;//向下移动一行 }

求一个8*8LED点阵汉字显示C语言程序(C52)

include<reg52.h> #define uchar unsigned char #define uint unsigned int sbit dula=P2^6; sbit wela=P2^7; sbit rs=P3^5; sbit lcden=P3^4; uchar code table[]="2010-11-28 SUN"; uchar code table1[]=" 15:00:00"; uchar count,miao,shi,fen; void delay(uint z) { uint x,y; for(x=z;x>0;x--) for(y=110;y>0;y--); } void write_com(uchar com) { rs=0; lcden=0; P0=com; delay(5); lcden=1; delay(5); lcden=0; } void write_date(uchar date) { rs=1; lcden=0; P0=date; delay(5); lcden=1; delay(5); lcden=0; } void write_sfm(uchar add,uchar date) { uchar shi,ge; shi=date/10; ge=date%10; write_com(0x80+0x40+add); write_date(0x30+shi); write_date(0x30+ge); } void init() { uchar num; dula=0; wela=0; lcden=0; write_com(0x38); write_com(0x06); write_com(0x0c); write_com(0x01); write_com(0x80); for(num=0;num<14;num++) { write_date(table[num]); delay(5); } write_com(0x80+0x40); for(num=0;num<10;num++) { write_date(table1[num]); delay(5); } TMOD=0x01; TH0=(65536-50000)/256; TL0=(65536-50000)%256; EA=1; ET0=1; TR0=1; } void main() { init(); while(1) { if(count==20) { count=0; miao++; if(miao==60) { miao=0; fen++; if(fen==60) { fen=0; shi++; if(shi==24) { shi=0; } write_sfm(2,shi); } write_sfm(5,fen); } write_sfm(8,miao); } } } void timer0() interrupt 1 { TH0=(65536-50000)/256; TL0=(65536-50000)%256; count++; }
用汇编语言完全可以实现。 第一步：先制作字库，少量汉字可以利用画笔工具，在画笔上写上16*16的汉字（最好是宋体），在放大功能下查看每个像素，黑色为1，白色为0，按照列或行依次读取。一个汉字的点阵用32个字节表示。 第二步：将上述汉字点阵制成表格，采用查表法获取需要显示的汉字点阵。 第三步：依据字库提取时的顺序，采用扫描驱动的方式依次在行和列上输出点阵。
这个程序验证过，你可以参考试试：//-------------------------------------------//8*8矩阵循环显示字符和数字//显示字符串在数组disstr[]中申明//-------------------------------------------#include#include#define uchar unsigned char#define uint unsigned int//--------------------------------------------uchar code Table_of_Digits[40][8]={ {0x1C,0x22,0x22,0x22,0x22,0x22,0x22,0x1C},//0 {0x08,0x18,0x08,0x08,0x08,0x08,0x08,0x1C},//1 {0x1C,0x22,0x02,0x02,0x1C,0x20,0x20,0x3E},//2 {0x1C,0x22,0x02,0x1C,0x02,0x02,0x22,0x1C},//3 {0x08,0x18,0x28,0x48,0x7C,0x08,0x08,0x08},//4 {0x3E,0x20,0x20,0x3E,0x02,0x02,0x22,0x1C},//5 {0x1C,0x22,0x20,0x3C,0x22,0x22,0x22,0x1C},//6 {0x3E,0x02,0x04,0x08,0x10,0x10,0x10,0x10},//7 {0x1C,0x22,0x22,0x1C,0x22,0x22,0x22,0x1C},//8 {0x1C,0x22,0x22,0x22,0x1E,0x02,0x22,0x1C},//9 {0x00,0x1C,0x22,0x22,0x22,0x3E,0x22,0x22},//A {0x00,0x3C,0x22,0x22,0x3E,0x22,0x22,0x3C},//B {0x00,0x1C,0x22,0x20,0x20,0x20,0x22,0x1C},//C {0x00,0x3C,0x22,0x22,0x22,0x22,0x22,0x3C},//D {0x00,0x3E,0x20,0x20,0x3E,0x20,0x20,0x3E},//E {0x00,0x3E,0x20,0x20,0x3E,0x20,0x20,0x20},//F {0x00,0x1C,0x22,0x20,0x3E,0x22,0x22,0x1C},//G {0x00,0x22,0x22,0x22,0x3E,0x22,0x22,0x22},//H {0x00,0x1C,0x08,0x08,0x08,0x08,0x08,0x1C},//I {0x00,0x3E,0x08,0x08,0x08,0x08,0x28,0x18},//J {0x00,0x20,0x2C,0x30,0x20,0x30,0x2C,0x20},//K {0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x3E},//L {0x00,0x42,0x66,0x5A,0x42,0x42,0x42,0x42},//M {0x00,0x00,0x2C,0x32,0x22,0x22,0x22,0x22},//n {0x00,0x1C,0x22,0x22,0x22,0x22,0x22,0x1C},//O {0x00,0x3C,0x22,0x22,0x3C,0x20,0x20,0x20},//P {0x00,0x1C,0x22,0x22,0x22,0x2A,0x26,0x1F},//Q {0x00,0x38,0x24,0x24,0x38,0x30,0x28,0x24},//R {0x00,0x1C,0x22,0x20,0x1C,0x02,0x22,0x1C},//S {0x00,0x3E,0x08,0x08,0x08,0x08,0x08,0x08},//T {0x00,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//U {0x00,0x22,0x22,0x22,0x14,0x14,0x08,0x00},//V {0x00,0x41,0x41,0x49,0x55,0x55,0x63,0x41},//W {0x00,0x00,0x42,0x24,0x18,0x18,0x24,0x42},//X {0x00,0x22,0x22,0x14,0x08,0x10,0x20,0x00},//Y {0x00,0x3E,0x02,0x04,0x08,0x10,0x20,0x3E},//Z};//---------------------------------------uchar code xdat[8]={0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01};uchar code ydat[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};//---------------------------------------uchar i=0;uchar j=0;uchar t=0;uchar Num_Index,disnum;uchar key;uchar xi;uchar yi;//---------------------------------------uchar code disstr[]="C201600102020";//---------------------------------------sbit we1=P1^1;sbit we2=P1^3;//---------------------------------------//主程序//---------------------------------------void main(){//P1=0x80;Num_Index=0; //从0 开始显示TMOD=0x01; //T0 方式0TH0=(65536-2000)/256; //2ms 定时TL0=(65536-2000)%256;IE=0x82;key=0;xi=0;yi=0;EX0=1;IT0=1;TR0=1; //启动T0while(1);}//---------------------------------------//外部中断0 中断函数//按键处理//---------------------------------------void ext_int0() interrupt 0{ key++; key&=0x03;}//---------------------------------------//定时器0 中断函数//显示控制//---------------------------------------void LED_Screen_Display() interrupt 1{TH0=(65536-2000)/256; //2ms 定时TL0=(65536-2000)%256;switch(key){//显示点阵图形case 0: P0=0xff; if(Num_Index==0)disnum=disstr[Num_Index]-'A'+10; else disnum=disstr[Num_Index]-'0'; we1=1; P0=~Table_of_Digits[disnum][i]; we1=0; P0=0xff; //输出位码和段码 we2=1; P0=ydat[i]; we2=0; if(++i==8) i=0; //每屏一个数字由8 个字节构成 if(++t==250) //每个数字刷新显示一段时间 { t=0; if(++Num_Index==13) Num_Index=0; //显示下一个数字 } break;//流水灯“点”模式case 1: we1=1; P0=~xdat[xi]; we1=0; we2=1; P0=ydat[yi]; we2=0; if(++t==250) //每个数字刷新显示一段时间 { t=0; yi++; if(yi>7){yi=0;xi++;} if(xi>7)xi=0; } break;//流水灯“行列”模式case 2: we1=1; P0=0x00; we1=0; P0=0xff; //输出位码和段码 we2=1; P0=xdat[i]; we2=0; if(++t==250) //每个数字刷新显示一段时间 { if(++i==8) i=0; //每屏一个数字由8 个字节构成 t=0; } break;default: key=0; i=0; j=0; t=0; xi=0; yi=0; Num_Index=0; we1=1; P0=0xff; we1=0; we2=1; P1=0x80; we2=0; break;}}
说明你的程序根本就不能控制8x8点阵LED，都不能点亮。 再说了，显示一个汉字，至少要16x16的点阵，开发板上的8x8点阵只能显示一些图形，根本就不能显示汉字的。
#include sbit ADDR0 = P1^0; sbit ADDR1 = P1^1; sbit ADDR2 = P1^2; sbit ADDR3 = P1^3; sbit ENLED = P1^4; unsigned char code image[11][8] = { {0xC3, 0x81, 0x99, 0x99, 0x99, 0x99, 0x81, 0xC3}, //数字0 {0xEF, 0xE7, 0xE3, 0xE7, 0xE7, 0xE7, 0xE7, 0xC3}, //数字1 {0xC3, 0x81, 0x9D, 0x87, 0xC3, 0xF9, 0xC1, 0x81}, //数字2 {0xC3, 0x81, 0x9D, 0xC7, 0xC7, 0x9D, 0x81, 0xC3}, //数字3 {0xCF, 0xC7, 0xC3, 0xC9, 0xC9, 0x81, 0xCF, 0xCF}, //数字4 {0x81, 0xC1, 0xF9, 0xC3, 0x87, 0x9D, 0x81, 0xC3}, //数字5 {0xC3, 0x81, 0xF9, 0xC1, 0x81, 0x99, 0x81, 0xC3}, //数字6 {0x81, 0x81, 0x9F, 0xCF, 0xCF, 0xE7, 0xE7, 0xE7}, //数字7 {0xC3, 0x81, 0x99, 0xC3, 0xC3, 0x99, 0x81, 0xC3}, //数字8 {0xC3, 0x81, 0x99, 0x81, 0x83, 0x9F, 0x83, 0xC1}, //数字9 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, //全亮 }; void main() { EA = 1; //使能总中断 ENLED = 0; //使能U4，选择LED点阵 ADDR3 = 0; TMOD = 0x01; //设置T0为模式1 TH0 = 0xFC; //为T0赋初值0xFC67，定时1ms TL0 = 0x67; ET0 = 1; //使能T0中断 TR0 = 1; //启动T0 while (1); } /* 定时器0中断服务函数 */ void InterruptTimer0() interrupt 1 { static unsigned char i = 0; //动态扫描的索引 static unsigned int tmr = 0; //1s软件定时器 static unsigned char index = 9; //图片刷新索引 TH0 = 0xFC; //重新加载初值 TL0 = 0x67; //以下代码完成LED点阵动态扫描刷新 P0 = 0xFF; //显示消隐 switch (i) { case 0: ADDR2=0; ADDR1=0; ADDR0=0; i++; P0=image[index][0]; break; case 1: ADDR2=0; ADDR1=0; ADDR0=1; i++; P0=image[index][1]; break; case 2: ADDR2=0; ADDR1=1; ADDR0=0; i++; P0=image[index][2]; break; case 3: ADDR2=0; ADDR1=1; ADDR0=1; i++; P0=image[index][3]; break; case 4: ADDR2=1; ADDR1=0; ADDR0=0; i++; P0=image[index][4]; break; case 5: ADDR2=1; ADDR1=0; ADDR0=1; i++; P0=image[index][5]; break; case 6: ADDR2=1; ADDR1=1; ADDR0=0; i++; P0=image[index][6]; break; case 7: ADDR2=1; ADDR1=1; ADDR0=1; i=0; P0=image[index][7]; break; default: break; } //以下代码完成每秒改变一帧图像 tmr++; if (tmr >= 1000) //达到1000ms时改变一次图片索引 { tmr = 0; if (index == 0) //图片索引10~0循环 index = 10; else index--; } }
这个程序验证过，你可以参考试试：//-------------------------------------------//8*8矩阵循环显示字符和数字//显示字符串在数组disstr[]中申明//-------------------------------------------#include#include#define uchar unsigned char#define uint unsigned int//--------------------------------------------uchar code Table_of_Digits[40][8]={ {0x1C,0x22,0x22,0x22,0x22,0x22,0x22,0x1C},//0 {0x08,0x18,0x08,0x08,0x08,0x08,0x08,0x1C},//1 {0x1C,0x22,0x02,0x02,0x1C,0x20,0x20,0x3E},//2 {0x1C,0x22,0x02,0x1C,0x02,0x02,0x22,0x1C},//3 {0x08,0x18,0x28,0x48,0x7C,0x08,0x08,0x08},//4 {0x3E,0x20,0x20,0x3E,0x02,0x02,0x22,0x1C},//5 {0x1C,0x22,0x20,0x3C,0x22,0x22,0x22,0x1C},//6 {0x3E,0x02,0x04,0x08,0x10,0x10,0x10,0x10},//7 {0x1C,0x22,0x22,0x1C,0x22,0x22,0x22,0x1C},//8 {0x1C,0x22,0x22,0x22,0x1E,0x02,0x22,0x1C},//9 {0x00,0x1C,0x22,0x22,0x22,0x3E,0x22,0x22},//A {0x00,0x3C,0x22,0x22,0x3E,0x22,0x22,0x3C},//B {0x00,0x1C,0x22,0x20,0x20,0x20,0x22,0x1C},//C {0x00,0x3C,0x22,0x22,0x22,0x22,0x22,0x3C},//D {0x00,0x3E,0x20,0x20,0x3E,0x20,0x20,0x3E},//E {0x00,0x3E,0x20,0x20,0x3E,0x20,0x20,0x20},//F {0x00,0x1C,0x22,0x20,0x3E,0x22,0x22,0x1C},//G {0x00,0x22,0x22,0x22,0x3E,0x22,0x22,0x22},//H {0x00,0x1C,0x08,0x08,0x08,0x08,0x08,0x1C},//I {0x00,0x3E,0x08,0x08,0x08,0x08,0x28,0x18},//J {0x00,0x20,0x2C,0x30,0x20,0x30,0x2C,0x20},//K {0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x3E},//L {0x00,0x42,0x66,0x5A,0x42,0x42,0x42,0x42},//M {0x00,0x00,0x2C,0x32,0x22,0x22,0x22,0x22},//n {0x00,0x1C,0x22,0x22,0x22,0x22,0x22,0x1C},//O {0x00,0x3C,0x22,0x22,0x3C,0x20,0x20,0x20},//P {0x00,0x1C,0x22,0x22,0x22,0x2A,0x26,0x1F},//Q {0x00,0x38,0x24,0x24,0x38,0x30,0x28,0x24},//R {0x00,0x1C,0x22,0x20,0x1C,0x02,0x22,0x1C},//S {0x00,0x3E,0x08,0x08,0x08,0x08,0x08,0x08},//T {0x00,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//U {0x00,0x22,0x22,0x22,0x14,0x14,0x08,0x00},//V {0x00,0x41,0x41,0x49,0x55,0x55,0x63,0x41},//W {0x00,0x00,0x42,0x24,0x18,0x18,0x24,0x42},//X {0x00,0x22,0x22,0x14,0x08,0x10,0x20,0x00},//Y {0x00,0x3E,0x02,0x04,0x08,0x10,0x20,0x3E},//Z};//---------------------------------------uchar code xdat[8]={0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01};uchar code ydat[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};//---------------------------------------uchar i=0;uchar j=0;uchar t=0;uchar Num_Index,disnum;uchar key;uchar xi;uchar yi;//---------------------------------------uchar code disstr[]="C201600102020";//---------------------------------------sbit we1=P1^1;sbit we2=P1^3;//---------------------------------------//主程序//---------------------------------------void main(){//P1=0x80;Num_Index=0; //从0 开始显示TMOD=0x01; //T0 方式0TH0=(65536-2000)/256; //2ms 定时TL0=(65536-2000)%256;IE=0x82;key=0;xi=0;yi=0;EX0=1;IT0=1;TR0=1; //启动T0while(1);}//---------------------------------------//外部中断0 中断函数//按键处理//---------------------------------------void ext_int0() interrupt 0{ key++; key&=0x03;}//---------------------------------------//定时器0 中断函数//显示控制//---------------------------------------void LED_Screen_Display() interrupt 1{TH0=(65536-2000)/256; //2ms 定时TL0=(65536-2000)%256;switch(key){//显示点阵图形case 0: P0=0xff; if(Num_Index==0)disnum=disstr[Num_Index]-'A'+10; else disnum=disstr[Num_Index]-'0'; we1=1; P0=~Table_of_Digits[disnum][i]; we1=0; P0=0xff; //输出位码和段码 we2=1; P0=ydat[i]; we2=0; if(++i==8) i=0; //每屏一个数字由8 个字节构成 if(++t==250) //每个数字刷新显示一段时间 { t=0; if(++Num_Index==13) Num_Index=0; //显示下一个数字 } break;//流水灯“点”模式case 1: we1=1; P0=~xdat[xi]; we1=0; we2=1; P0=ydat[yi]; we2=0; if(++t==250) //每个数字刷新显示一段时间 { t=0; yi++; if(yi>7){yi=0;xi++;} if(xi>7)xi=0; } break;//流水灯“行列”模式case 2: we1=1; P0=0x00; we1=0; P0=0xff; //输出位码和段码 we2=1; P0=xdat[i]; we2=0; if(++t==250) //每个数字刷新显示一段时间 { if(++i==8) i=0; //每屏一个数字由8 个字节构成 t=0; } break;default: key=0; i=0; j=0; t=0; xi=0; yi=0; Num_Index=0; we1=1; P0=0xff; we1=0; we2=1; P1=0x80; we2=0; break;}}
#include//单片机头文件 void delay1ms(unsigned int ms);//延时ms函数声明（可根据实际情况更改） unsigned char code led0[]={};//字码表,你自己把你要显示的字码放进去就可以了 void main() { unsigned char w,i; while(1) { //显示0 w=0x01; //行变量为第一行 for(i=0;i<8;i++) { P1=w; //行数据送P1口 P0=led0[i]; delayms(1); //列数据送P0口 w<<=1; //向下移动一行 } } } void delay1ms(unsigned int ms) { unsigned int i,j; for(i=0;i<ms;i++) for(j=0;j<110;j++) }
附件是常用的LED、液晶点阵字符取模工具。不光你那几个符号，汉字也可以取出，可以根据你的电路更改取模方式，很好用的软件。
#include sbit ADDR0 = P1^0; sbit ADDR1 = P1^1; sbit ADDR2 = P1^2; sbit ADDR3 = P1^3; sbit ENLED = P1^4; unsigned char code image[11][8] = { {0xC3, 0x81, 0x99, 0x99, 0x99, 0x99, 0x81, 0xC3}, //数字0 {0xEF, 0xE7, 0xE3, 0xE7, 0xE7, 0xE7, 0xE7, 0xC3}, //数字1 {0xC3, 0x81, 0x9D, 0x87, 0xC3, 0xF9, 0xC1, 0x81}, //数字2 {0xC3, 0x81, 0x9D, 0xC7, 0xC7, 0x9D, 0x81, 0xC3}, //数字3 {0xCF, 0xC7, 0xC3, 0xC9, 0xC9, 0x81, 0xCF, 0xCF}, //数字4 {0x81, 0xC1, 0xF9, 0xC3, 0x87, 0x9D, 0x81, 0xC3}, //数字5 {0xC3, 0x81, 0xF9, 0xC1, 0x81, 0x99, 0x81, 0xC3}, //数字6 {0x81, 0x81, 0x9F, 0xCF, 0xCF, 0xE7, 0xE7, 0xE7}, //数字7 {0xC3, 0x81, 0x99, 0xC3, 0xC3, 0x99, 0x81, 0xC3}, //数字8 {0xC3, 0x81, 0x99, 0x81, 0x83, 0x9F, 0x83, 0xC1}, //数字9 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, //全亮 }; void main() { EA = 1; //使能总中断 ENLED = 0; //使能U4，选择LED点阵 ADDR3 = 0; TMOD = 0x01; //设置T0为模式1 TH0 = 0xFC; //为T0赋初值0xFC67，定时1ms TL0 = 0x67; ET0 = 1; //使能T0中断 TR0 = 1; //启动T0 while (1); } /* 定时器0中断服务函数 */ void InterruptTimer0() interrupt 1 { static unsigned char i = 0; //动态扫描的索引 static unsigned int tmr = 0; //1s软件定时器 static unsigned char index = 9; //图片刷新索引 TH0 = 0xFC; //重新加载初值 TL0 = 0x67; //以下代码完成LED点阵动态扫描刷新 P0 = 0xFF; //显示消隐 switch (i) { case 0: ADDR2=0; ADDR1=0; ADDR0=0; i++; P0=image[index][0]; break; case 1: ADDR2=0; ADDR1=0; ADDR0=1; i++; P0=image[index][1]; break; case 2: ADDR2=0; ADDR1=1; ADDR0=0; i++; P0=image[index][2]; break; case 3: ADDR2=0; ADDR1=1; ADDR0=1; i++; P0=image[index][3]; break; case 4: ADDR2=1; ADDR1=0; ADDR0=0; i++; P0=image[index][4]; break; case 5: ADDR2=1; ADDR1=0; ADDR0=1; i++; P0=image[index][5]; break; case 6: ADDR2=1; ADDR1=1; ADDR0=0; i++; P0=image[index][6]; break; case 7: ADDR2=1; ADDR1=1; ADDR0=1; i=0; P0=image[index][7]; break; default: break; } //以下代码完成每秒改变一帧图像 tmr++; if (tmr >= 1000) //达到1000ms时改变一次图片索引 { tmr = 0; if (index == 0) //图片索引10~0循环 index = 10; else index--; } }
说明你的程序根本就不能控制8x8点阵LED，都不能点亮。 再说了，显示一个汉字，至少要16x16的点阵，开发板上的8x8点阵只能显示一些图形，根本就不能显示汉字的。