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是用51hei单片机开发板 电路图详见：http://www.51hei.com/f/51hei-5.pdf p1口上面接8个灯.
- #include<reg52.h>
- #define uchar unsigned char
- #define uint unsigned int
- uchar code LED1[]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};
- uchar code LED2[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
- uchar code LED3[]={0x7e,0xbd,0xdb,0xe7,0xe7,0xdb,0xbd,0x7e};
- uchar code LED4[]={0x7f,0x3f,0x1f,0x0f,0x07,0x03,0x01,0x00};
- uchar code LED5[]={0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00};
- //============
- void delay(unsigned int k)
- {
- unsigned int i,j;
- for(i=0;i<k;i++){
- for(j=0;j<121;j++)
- {;}}
- }
- //====================
- void main(void)
- {uchar cnt;
- while(1)
- {
- for(cnt=0;cnt<8;cnt++)
- {P1=LED1[cnt];
- delay(200);}
- //=======
- for(cnt=0;cnt<8;cnt++)
- {P1=LED2[cnt];
- delay(200);}
- //===========
- for(cnt=0;cnt<8;cnt++)
- {P1=LED3[cnt];
- delay(200);}
- //==========
- for(cnt=0;cnt<8;cnt++)
- {P1=LED4[cnt];
- delay(200);}
- //=========
- for(cnt=0;cnt<8;cnt++)
- {P1=LED5[cnt];
- delay(200);}
- }
- }
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