单片机+74HC138驱动的16*16LED点阵显示屏仿真与源程序 -

#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define data1 P0
#define data2 P2
sbit s1=P3^6;
sbit s2=P3^7;
bit fangxiang;
uint alt=0,net=0,sl=288;
bit mode;
uchar code tab[]={
// (0) (1) 老(2) 师(3) ，(4) 你(5) 辛(6) 苦(7) 了(8) ！
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*" ",0*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*" ",1*/
0x02,0x10,0x22,0x10,0x22,0x20,0x22,0x20,0x22,0x40,0x22,0x7C,0xFE,0x92,0x23,0x12,
0x23,0x22,0x22,0x22,0x26,0x42,0x2A,0x42,0x72,0x02,0x22,0x0E,0x02,0x00,0x00,0x00,/*"老",2*/
0x00,0x02,0x3F,0xE4,0x00,0x08,0x00,0x70,0xFF,0x80,0x00,0x00,0x4F,0xF0,0x48,0x00,
0x48,0x00,0x48,0x00,0x7F,0xFF,0x48,0x00,0x48,0x20,0x48,0x10,0x4F,0xE0,0x00,0x00,/*"师",3*/
0x00,0x00,0x00,0x00,0x00,0x1A,0x00,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"，",4*/
0x01,0x00,0x02,0x04,0x0C,0x1C,0x3F,0xC0,0xC0,0x1C,0x09,0x02,0x16,0x02,0x60,0x92,
0x20,0x4A,0x2F,0x82,0x20,0x02,0x24,0x0E,0x22,0x00,0x31,0x90,0x20,0x0C,0x00,0x00,/*"您",5*/
0x01,0x00,0x21,0x20,0x21,0x20,0x29,0x20,0x25,0x20,0x23,0x20,0xA1,0x20,0x61,0xFF,
0x21,0x20,0x23,0x20,0x25,0x20,0x29,0x20,0x21,0x20,0x21,0x00,0x01,0x00,0x00,0x00,/*"辛",6*/
0x02,0x00,0x22,0x00,0x22,0x00,0x22,0x7E,0x22,0x44,0xFA,0x44,0x22,0x44,0x2F,0xC4,
0x22,0x44,0x22,0x44,0xFA,0x44,0x22,0x7E,0x22,0x00,0x22,0x00,0x22,0x00,0x00,0x00,/*"苦",7*/
0x00,0x00,0x40,0x00,0x40,0x00,0x40,0x00,0x40,0x00,0x40,0x02,0x40,0x01,0x4F,0xFE,
0x48,0x00,0x50,0x00,0x50,0x00,0x60,0x00,0x60,0x00,0x40,0x00,0x00,0x00,0x00,0x00,/*"了",8*/
0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFA,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"！",9*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*" ",14*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*" ",15*/
};
void delay(uint z) //延时子函数
{
uchar x;
for(;z>0;z--)
for(x=110;x>0;x--);
}
void xianshi() //显示
{
uchar aa,i;
for(i=0;i<16;i++)
{
P1=i; //列扫描
data1=tab[net+aa]; //取出上8行数据输出
aa++;
data2=tab[net+aa]; //取出下8行数据输出
aa++;
delay(5); //延时
data1=0; //清屏
data2=0; //清屏
P1=0x00; //消除余辉
if(aa>30) aa=0; //字模地址
}
}
void main() //主函数
{
ET1=1; //使能定时器0
EA=1; //开启总中断
TR1=1; //开始计数
while(1) //无限循环
{
xianshi(); //显示
if(s1==0) //检测按键
{
delay(30); //延时消抖
TR1=~TR1; //按下暂停，暂按继续
while(!s1)xianshi();
delay(30);
}
if(s2==0) //检测按键
{
delay(30); //延时消抖
fangxiang=~fangxiang; //方向取反
while(!s2)xianshi();
delay(30);
}
}
}
void timer1() interrupt 3
{
alt++;
if(alt==10) //到一定的时间加以实现左移
{
alt=0;
if(fangxiang==0) //如果是正向正向移动
{
net=net+2;
if(net>sl) //字移动数量
net=0;
}
else //否则反向移动
{
net=net-2;
if(net<2)
net=sl; //字移动数量
}
}
}

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