基于51单片机的各种花样的流水灯c51程序.doc

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1、基于51单片机的各种花样的流水灯c51程序/*-----------------------------------------------功能：流水灯对称移动闪烁（双闪烁）------------------------------------------------*/#include#defineuintunsignedintvoiddelay(uint);main(){       uintcomp1=0xfe;       uintcomp2=0x80;        P1=0x7e;       delay(30000);     

2、  while(1)       {               P1=0xff;               comp1<<=1;               comp1

3、=0x01;               comp2>>=1;               P1&=comp1;               P1^=comp2;               delay(30000);               if(P1==0xe7)               {                       comp1<<=1;            

4、           comp1

5、=0x01;                       comp2>>=1;                          }                     if(comp1==0x7f)               {                       comp1=0xfe;                       comp2=0x80;                             }             }               }voiddelay(uintcnt){  

6、  while(cnt--);     }/*-----------------------------------------------------------------只循环一次，而没有一直循环下去，出错地方在：通过添加一条测试语句：                                                if(comp1==0x7f)                                                {                                                   

7、     comp1=0xfe; comp2=0x80;                                                        P1=0x00; delay(30000);                                                }     发现if语句没有被执行，自然继续左右移动：11111111&11111111^00000000==111111111所以看起来是执行了一次while中的代码。 具体为什么不行，还不清楚……   更正下列代码后，能够实现功能。            

8、                                                                                        if(P1==0x7e)                                                {                                                        comp1=0xfe;                                                        comp2=0x80; 

9、                                               }或者：                                                                                    if(comp2==0x01)                                                {                                                        comp1=0xfe;                  

10、