单片机按键控制16*16LED点阵0-9滚动仿真电路和源程序

ID:268172 · 发表于 2018-1-24 12:17

51单片机驱动的16*16 LED 点阵 0-9滚动 74HC595 74HC138 74HC04
有4个按键

proteus仿真原理图如下：

单片机源程序如下:

/*2个点阵左/右移动显示*/
/*头文件*/
#include <reg52.h>
#include <intrins.h>
#define uint unsigned int
#define uchar unsigned char
#define NOP() _nop_()
/*端口定义*/
sbit EN_port = P1^3;
sbit DA_in_port = P1^2;
sbit CLK_port = P1^1; //时钟
sbit Latch_port = P1^0;
#define ABCD_port P1 //HC138 ABCD端口定义
//sbit D_port = P1^7;
//sbit C_port = P1^6;
//sbit B_port = P1^5;
//sbit A_port = P1^4;
sbit S1 = P2^0;
sbit S2 = P2^1;
sbit S3 = P2^2;
sbit S4 = P2^3;
//显示的字库
uchar code ziku_table[]={
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,/*显示8行空白*/
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x3F,0xFF,0xDF,0xFE,0xEF,0xFD,0xEF,0xFD,0xEF,0xFD,
0xEF,0xFD,0xEF,0xFD,0xEF,0xFD,0xEF,0xFD,0xDF,0xFE,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,/*"C:\Users\Administrator\Desktop\点阵16x16陕显示数字\0.BMP.BMP",0*/
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0xFF,0x1F,0xFF,0x7F,0xFF,0x7F,0xFF,0x7F,0xFF,
0x7F,0xFF,0x7F,0xFF,0x7F,0xFF,0x7F,0xFF,0x7F,0xFF,0x1F,0xFC,0xFF,0xFF,0xFF,0xFF,/*"C:\Users\Administrator\Desktop\点阵16x16陕显示数字\1.BMP",0*/
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x3F,0xFC,0xDF,0xFB,0xDF,0xFB,0xDF,0xFB,0xFF,0xFD,
0xFF,0xFD,0xFF,0xFE,0x7F,0xFF,0xBF,0xFF,0xDF,0xFB,0x1F,0xF8,0xFF,0xFF,0xFF,0xFF,/*"C:\Users\Administrator\Desktop\点阵16x16陕显示数字\2.BMP.BMP",0*/
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x3F,0xFC,0xDF,0xFB,0xDF,0xFB,0xFF,0xFD,0x7F,0xFE,
0xFF,0xFD,0xFF,0xFB,0xFF,0xFB,0xDF,0xFB,0xDF,0xFD,0x3F,0xFE,0xFF,0xFF,0xFF,0xFF,/*"C:\Users\Administrator\Desktop\点阵16x16陕显示数字\3.BMP",0*/
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x7F,0xFE,0xBF,0xFE,0xDF,0xFE,0xDF,0xFE,
0xEF,0xFE,0xEF,0xFE,0x0F,0xFC,0xFF,0xFE,0xFF,0xFE,0x3F,0xFC,0xFF,0xFF,0xFF,0xFF,/*"C:\Users\Administrator\Desktop\点阵16x16陕显示数字\4.BMP",0*/
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x1F,0xF8,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0x5F,0xFE,
0x9F,0xFD,0xFF,0xFB,0xFF,0xFB,0xDF,0xFB,0xDF,0xFD,0x3F,0xFE,0xFF,0xFF,0xFF,0xFF,/*"C:\Users\Administrator\Desktop\点阵16x16陕显示数字\5.BMP",0*/
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0xFC,0xBF,0xFD,0xDF,0xFF,0xDF,0xFF,0x5F,0xFE,
0x9F,0xFD,0xDF,0xFB,0xDF,0xFB,0xDF,0xFB,0xBF,0xFD,0x7F,0xFE,0xFF,0xFF,0xFF,0xFF,/*"C:\Users\Administrator\Desktop\点阵16x16陕显示数字\6.BMP",0*/
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x1F,0xF8,0xDF,0xFD,0xDF,0xFD,0xFF,0xFE,0xFF,0xFE,
0x7F,0xFF,0x7F,0xFF,0x7F,0xFF,0x7F,0xFF,0x7F,0xFF,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,/*"C:\Users\Administrator\Desktop\点阵16x16陕显示数字\7.BMP",0*/
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x1F,0xFE,0xEF,0xFD,0xEF,0xFD,0xEF,0xFD,0xDF,0xFE,
0x3F,0xFF,0xDF,0xFE,0xEF,0xFD,0xEF,0xFD,0xEF,0xFD,0x1F,0xFE,0xFF,0xFF,0xFF,0xFF,/*"C:\Users\Administrator\Desktop\点阵16x16陕显示数字\8.BMP",0*/
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x7F,0xFE,0xBF,0xFD,0xDF,0xFB,0xDF,0xFB,0xDF,0xFB,
0xBF,0xF9,0x7F,0xFA,0xFF,0xFB,0xFF,0xFB,0xBF,0xFD,0x3F,0xFE,0xFF,0xFF,0xFF,0xFF,/*"C:\Users\Administrator\Desktop\点阵16x16陕显示数字\9.BMP",0*/0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,/*显示8行空白*/
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,/*显示8行空白*/
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
};
uchar data disp_buff[64]; //64 个显示数据缓存
//数据格式为第1级第1行高八位，低八位，第2级第1行高八位，低八位，第1级第2行高八位。。。。。。
uchar data disp_han; //目前显示到第几行
void T0_Set() /*定义中断方式，中断时间*/
{
TMOD = 0x01; //定时0，工作在方式1
TH0 = (65536-1000)/256;
TL0 = (65536-1000)/256;
TR0 = 1; //启动计数
EA = 1; //开总中断
ET0 = 1; //开定时器0中断
return;
}
void delay_1ms(uchar x) //延时1ms程序
{
uchar j;
while(x--){
for(j=0;j<125;j++)
{;}
}
}
void main() //主程序
{
uchar i;
uint data_temp[3];
uint temp,temp1;
uchar hanzi;
uchar han;
uchar shift=1;
uchar mode=0;
MM:shift=1;
mode=0;
if(mode==0)
{
for(i=0;i<64;i++) disp_buff[i]=0xff;
T0_Set();
while(1){
for(hanzi=0;hanzi<10;hanzi++){ //最多显示多少个字
for(shift=0;shift<16;shift++){ //一个字移位16位
for(han=0;han<16;han++){ //一个字有16行数据
data_temp[0]=ziku_table[(hanzi*32)+(han*2)+1]*0x100 + ziku_table[(hanzi*32)+(han*2)];
data_temp[1]=ziku_table[((hanzi+1)*32)+(han*2)+1]*0x100 + ziku_table[((hanzi+1)*32)+(han*2)];
data_temp[2]=ziku_table[((hanzi+2)*32)+(han*2)+1]*0x100 + ziku_table[((hanzi+2)*32)+(han*2)];
M0: if(S2==0)
{
delay_1ms(10); //延时去抖动
mode=1; //在1 2 3中切换
while(!S2){;} //等待按键释放
goto M1;
}
if(S3==0)
{
delay_1ms(10); //延时去抖动
while(!S3){;} //等待按键释放
goto MM;
}
if(S4==0)
{
delay_1ms(10); //延时去抖动
while(!S4){;} //等待按键释放
while(1)
{
if(S1==0){mode=0;break;}
if(S2==0){mode=1;break;}
if(S3==0){mode=0;break;}
if(S4==0){break;}
}
}
//左往右移动
temp = data_temp[0];
temp1 = data_temp[1];
for(i=shift;i>0;i--){
temp = (temp<<1) ;
if((temp1&0x8000)!=0) temp = temp + 0x0001;
temp1 = (temp1<<1);
}
disp_buff[han*4+3]=temp/0x100;
disp_buff[han*4+2]=temp%0x100;
//----------------------
temp = data_temp[1];
temp1 = data_temp[2];
for(i=shift;i>0;i--){
temp = (temp<<1) ;
if((temp1&0x8000)!=0) temp = temp + 0x0001;
temp1 = (temp1<<1);
}
disp_buff[han*4+1]=temp/0x100;
disp_buff[han*4]=temp%0x100;
}
delay_1ms(15); //移位速度
}
}
}//mode==0
if(mode==1)
{
for(hanzi=0;hanzi<6;hanzi++){ //最多显示多少个字
for(shift=0;shift<16;shift++){ //一个字移位16位
for(han=0;han<16;han++){ //一个字有16行数据
data_temp[0]=ziku_table[(hanzi*32)+(han*2)+1]*0x100 + ziku_table[(hanzi*32)+(han*2)];
data_temp[1]=ziku_table[((hanzi+1)*32)+(han*2)+1]*0x100 + ziku_table[((hanzi+1)*32)+(han*2)];
data_temp[2]=ziku_table[((hanzi+2)*32)+(han*2)+1]*0x100 + ziku_table[((hanzi+2)*32)+(han*2)];
M1: if(S1==0)
{
delay_1ms(10); //延时去抖动
mode=0; //在1 2 3中切换
while(!S1){;} //等待按键释放
goto M0;
}
if(S3==0)
{
delay_1ms(10); //延时去抖动
while(!S3){;} //等待按键释放
goto MM;
}
if(S4==0)
{
delay_1ms(10); //延时去抖动
while(!S4){;} //等待按键释放
while(1)
{
if(S1==0){mode=0;break;}
if(S2==0){mode=1;break;}
if(S3==0){mode=0;break;}
if(S4==0){break;}
}
}
//右往左移动
temp = data_temp[0];
temp1 = data_temp[1];
for(i=shift;i>0;i--){
temp = (temp>>1) ;
if((temp1&0x0001)!=0) temp = temp + 0x8000;
temp1 = (temp1>>1);
}
disp_buff[han*4+1]=temp/0x100;
disp_buff[han*4+0]=temp%0x100;
//------------------------------
temp = data_temp[1];
temp1 = data_temp[2];
for(i=shift;i>0;i--){
temp = (temp>>1) ;
if((temp1&0x0001)!=0) temp = temp + 0x8000;
temp1 = (temp1>>1);
}
disp_buff[han*4+3]=temp/0x100;
disp_buff[han*4+2]=temp%0x100;
}
delay_1ms(15); //移位速度
}
}
}
}
}
void SLED_Disp() interrupt 1 using 3
{
uchar i;
uchar data_buff;
uchar temp;
uchar zishu;
uchar code Module_Quantity=2; //模块数量
uchar han;
TH0 = (65536-1000)/256;
TL0 = (65536-1000)/256;
Latch_port = 0; //HC595锁定输出,避免数据传输过程中，屏数据变化从而显示闪烁
CLK_port = 0;
han=disp_han;
for(zishu=Module_Quantity;zishu>0;zishu--){
temp = disp_han*Module_Quantity*2 + (zishu-1)*2+1;
data_buff = disp_buff[temp];
for(i=0;i<8;i++){
if((data_buff&0x80)!=0) DA_in_port = 1;
else DA_in_port = 0;
CLK_port = 1;
CLK_port = 0;
data_buff <<= 1;
}
temp = disp_han*Module_Quantity*2 + (zishu-1)*2;
data_buff = disp_buff[temp];
for(i=0;i<8;i++){
if((data_buff&0x80)!=0) DA_in_port = 1;
else DA_in_port = 0;
CLK_port = 1;
CLK_port = 0;
data_buff <<= 1;
}
}
EN_port = 1; //关屏显示，原理为使HC138输出全为1，从而三极管截止，点阵不显示
ABCD_port = (ABCD_port & 0x0f)|(han<<4); //HC138译码输出
Latch_port = 1; //允许HC595数据输出到Q1-Q8端口
EN_port = 0; //HC138输出有效，打开显示
Latch_port = 0; //锁定HC595数据输出
disp_han++; //显示下一行数据
if(disp_han>=16) disp_han=0;
……………………
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