单片机32个IO口流水灯C程序

1、精选优质文档-倾情为你奉上单片机32个IO口流水灯C程序（转）2008-11-23 11:37/*89C51、S51单片机32个IO口流水灯测试程序*Flash0、1、2、3分别对应单片机的P0、1、2、3四个口*a程序对应流水灯从全灭到一个一个亮*b程序对应流水灯从全亮到一个一个灭*Author:大灵通*2006-7-26 10:57，OK!*/#include<reg51.h>#include<intrins.h>#include<absacc.h>#define uchar unsigned char#define uint unsigned int#

2、define TimeDelay 60000void delay(uint n);void Flash0a(void);void Flash0b(void);void Flash1a(void);void Flash1b(void);void Flash2a(void);void Flash2b(void);void Flash3a(void);void Flash3b(void);/*Function: 主函数*parameter:*Return:*Modify:*/void main(void)while(1) Flash1b(); Flash1a(); delay(TimeDelay);

3、 delay(TimeDelay); Flash0b(); Flash0a(); Flash2b(); Flash2a(); Flash1b(); Flash1a(); Flash3b(); Flash3a();/*Function: 延时*parameter:*Return:*Modify:*/void delay(uint n)while(n!=0) n-;void Flash0a(void)uchar i;uchar Temp;Temp = 0x80;for(i=0;i<8;i+) P0 = Temp; delay(TimeDelay); Temp = Temp >>

4、1;P0 = 0xff; void Flash0b(void)uchar i;uchar Temp;Temp = 0x80;for(i=0;i<8;i+) P0 = Temp; delay(TimeDelay); Temp = Temp >> 1;P0 = 0;void Flash1a(void)uchar i;uchar Temp;P1 = 1;Temp = 0x80;for(i=0;i<8;i+) P1 = Temp; delay(TimeDelay); Temp = Temp >> 1;P1 = 0xff;void Flash1b(void)uchar

5、 i;uchar Temp;P1 = 1;Temp = 0x80;for(i=0;i<8;i+) P1 = Temp; delay(TimeDelay); Temp = Temp >> 1;P1 = 0;void Flash2a(void)uchar i;uchar Temp;P2 = 1;Temp = 0x80;for(i=0;i<8;i+) P2 = Temp; delay(TimeDelay); Temp = Temp >> 1;P2 = 0xff;void Flash2b(void)uchar i;uchar Temp;P2 = 1;Temp = 0x80;for(i=0;i<8;i+) P2 = Temp; delay(TimeDelay); Temp = Temp >> 1;P2 = 0;void Flash3a(void)uchar i;uchar Temp;P3 = 1;Temp = 0x80;for(i=0;i<8;i+) P3 = Temp; delay(TimeDelay); Temp = Temp >> 1;P3 = 0xff;void Flash3b(void)uchar i;uchar Temp;P3 = 1;Temp