voiddelay(intms);//延时子程序voidkey();//按键扫描子程序voidkey_to1();//键处理子程序voidkey_to2();voidkey_to3();voiddisplay();//显示子程序voidlogo();//开机LOGOvoidBuzzer()...

include<reg51.h>include<intrins.h>defineucharunsignedcharvoiddelay(void){uchari,j;for(i=0;i<150;i++)for(j=0;j<240;j++);}main(){ucharled,i,j;while(1){for(i=0;i<8;i++){...

//51单片机C语言编程,这个时钟+秒表可以参考一下。include<reg51.h>defineucharunsignedchardefineuintunsignedintsbitqingling=P1^0;//清零sbittiaofen=P1^1;//调分sbittiaoshi=P1^2;//...

一、C51语言程序设计的基本技巧首先，C51语言程序设计要尽可能采用结构化的设计方法。可将整个程序按功能分成若干个模块，不同的模块完成不同的功能。对于不同的功能模块，分别指定相应的入口参数和出口参数，而经常使用的一些...

defineuintunsignedintucharflag,a;sbitd=P0^0;voidinit(){TMOD=0x20;//设置定时器1为工作方式2TH1=0xfd;TL1=0xfd;TR1=1;//开定时器1REN=1;//开串口通信.SM0=...

1、51单片机C语言实现循环8个流水灯左移三次，后右移三次。例程：include<reg51.h>//51单片机头文件#include<intrins.h>//包含有左右循环移位子函数的库#defineuintunsignedint//宏定义#defineucharunsi...

voiddelay(){uint16i=1000；while(i--)；}voidmain(){ucharn；P2=0xfe；P1=0xff；while(1){if(k1==0){if(n>=9)n=0；elsen++；P0=shuzu[n]；while(!k1);delay();while(!k1);}}...

sbitpluse2=P1^1;uchart1=0,t2=0;voidt0isr()interrupt1{TH0=(65536-25000)/256;TL0=(65536-25000)%256;t1++;if(t1<15)pluse=1;elsepluse=0;if(t1>20)t1=0;}voidt1isr()interrupt3{...

sinti();//串口初始化程序ring=1;while(1){while(1){if(CASE1==0){send('a');ring=0;break;}if(CASE2==0){send('b');ring=0;break;}if(CASE3==0){send('c');ring=0;break;}...

if((led3&0xf0)==0x70)led3=0x7c;if((led3&0xf0)==0xf0)led3=0xf8;break;case3:P0=led3;led3=(led3>>1)|0x80;if((led3&0x0f)==0x0c)led3=0x7c;if((led3&0x0f)==0x0e)led3=0x3e;...