基于51单片机16x16点阵广告牌设计(含仿真+源码+论文+原理图)

#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=128; bit mode; uchar code tab[]={ // 0x20,0x08,0x24,0x10,0x22,0x60,0x21,0x80,0x26,0x41,0x39,0x32,0x02,0x04,0x0C,0x18, 0xF0,0x60,0x13,0x80,0x10,0x60,0x10,0x18,0x14,0x04,0x18,0x02,0x00,0x01,0x00,0x00,/*"欢",2*/ 0x02,0x00,0x02,0x02,0x42,0x04,0x33,0xF8,0x00,0x04,0x00,0x02,0x3F,0xF2,0x20,0x22, 0x40,0x42,0x00,0x02,0x3F,0xFE,0x20,0x42,0x20,0x22,0x3F,0xC2,0x00,0x02,0x00,0x00,/*"迎",3*/ 0x00,0x80,0x01,0x00,0x06,0x00,0x1F,0xFF,0xE0,0x00,0x02,0x08,0x04,0x30,0x18,0xC0, 0xF0,0x02,0x10,0x01,0x13,0xFE,0x10,0x00,0x10,0x80,0x14,0x60,0x18,0x18,0x00,0x00,/*"你",4*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*" ",5*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*" ",6*/ }; 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 } } }