1、 0xF0,0x0F,0xF0,0x0F,0xFF,/高四盏。低四盏闪烁2次 0x33,0xCC,0x33,0xCC,0x33,0xCC,0xFF/隔两盏闪烁3次 ;void delayms(uint ms) uint i; while(ms-) for(i=0;i120;i+);void main(void) uchar i; P0=0xFF; for(i=0;35;i+) P0=discodei; delayms(250); 3拉幕式与闭幕式广告灯uchar discode14=0x18,0x24,0x42,0x81;uchar discode24=0x7E,0x3C,0x18,0x00;
2、 for(i=0; uchar i,j;4; j=discode1i; P0=j; delayms(500); j=0xFF; P0=j; delayms(500); j=discode2i;4流水灯跑马灯左移右移void delay(uint s) while(s-) j=0x01;8; delay(500); j=j5千位静态显示数字sbit SMG_q = P10; /定义数码管阳级控制脚(千位)sbit SMG_b = P11; /定义数码管阳级控制脚(百位)sbit SMG_s = P12; /定义数码管阳级控制脚(十位)sbit SMG_g = P13; /定义数码管阳级控制脚(个
3、位) SMG_q=0; P0=0xF8; while(1);6,4位数码管同时静态显示#define unchar unsigned charunchar mun;uchar; code table=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e;void delay(uint); SMG_b=0; SMG_s=0; SMG_g=0;/P1=0xf0;两种都可以实现。 for(mun=0;mun16;mun+) P0=tablemun; delay(500); for(i=120;i
4、-);7.数码管动态显示sbit q = P10;sbit b = P11;sbit s = P12;sbit g = P13;/unchar mun; q=0; P0=table1; delay(500); q=1; b=0; P0=table2; b=1; s=0; P0=table3; s=1; g=0; P0=table4; g=1;8.1中断定时器0工作1LED 1s闪烁 uchar num; TMOD=0x01; TH0=(65536-45872)/256; TL0=(65536-45872)%256; EA=1; ET0=1; TR0=1;void T0_time() inter
5、rupt 1 num+; if(num=50) num=0; led1=led1;8.2中断定时器LED,前两位数码管59s循环计数sbit led1=P00;uchar code table=void display(uchar,uchar);uchar num,num1,num2,shi,ge; TMOD=0x11; TH1=(65536-45872)/256; TL1=(65536-45872)%256; ET1=1; TR1=1; display(shi,ge);void display(uchar shi,uchar ge) P1=0xff; P1=0xfd; P0=tableshi
6、; delay(10); P1=0x00; P1=0xff; P1=0xfe; P0=tablege; uint i,j; for(i=s; for(j=110;void T0_time()interrupt 1 num1+; if(num1=50) num1=0;void T1_time()interrupt 3 num2+; if(num2=20) num2=0; if(num=60) shi=num/10; ge=num%10; /灯的亮灭。9.1独立键盘使用sbit k1=P34; /独立键盘,k1 k2 k3 k4分别接,p34.p35 p36 p37.sbit k2=P35;sbi
7、t k3=P36;sbit k4=P37;sbit d=P12;sbit c=P13;void delayms(uint);uchar numt0,num;void display(uchar numdis) /显示59s的常用方式 uchar shi,ge; shi=numdis/10; ge=numdis%10; /控制十位数字 delayms(10); /控制个位数字void delayms(uint xms) /简单的延时程序 for(i=xms;void init() /初始化函数void keyscan() /控制键盘的程序 if(k1=0) /去抖动延时 while(!k1);
8、/等待按键释放 if(k2=0) if(num=0) num=60; num-;k2);if(k3=0) if(k3=0)k3);if(k4=0) if(k4=0)k4); TR0=TR0;void main() /主函数 init(); /1,先初始化数据init() keyscan(); /键盘选择? display(num); /显示两位数字函数 void T0_time()interrupt 1 /中断服务程序 numt0+; if(numt0=20) /1s的判断 numt0=0;9.2矩阵键盘使用void delayms(uint xms)void display(uchar nu
9、m) P0=tablenum; P1=0xf0;void jianpan() uchar temp,key; P3=0xfe; temp=P3; temp=temp&0xf0; if(temp!=0xfe) /11111高位没有零,(没有键按下) /随时可能有键按下=0xfe) switch(temp) case 0xee: key=0; break; case 0xde: key=1; case 0xbe: key=2; case 0x7e: key=3; while(temp!=0xf0) /等待键盘释放 temp=P3; display(key); P3=0xfd;=0xfe) /222
10、222高位没有零,(没有键按下) case 0xed: key=4; case 0xdd: key=5; case 0xbd: key=6; case 0x7d: key=7;=0xf0) P3=0xfb;=0xfe) /333333高位没有零,(没有键按下) case 0xeb: key=8; case 0xdb: key=9; case 0xbb: key=10; case 0x7b: key=11; P3=0xf7;=0xfe) /44444高位没有零,(没有键按下) case 0xe7: key=12; case 0xd7: key=13; case 0xb7: key=14; case 0x77: key=15; P1=0x0f; /打开数码管选通开关 jianpan(); /扫描键盘程序
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