数码管程序.doc

/*. 数码管显示程序（点亮一个数码管）(YJSY20).*/（ ） /头文件sbit duan=P26; /定义段锁存控制脚sbit wei= P27; /定义位锁存控制脚void main( ) /主函数 P0=0x3f; /送段数据 duan=0; /锁存 duan=1; （ ）=0x01; /送第一位 （ ）=0; /锁存 （ ）=1; （ ）; /暂停/*. 数码管显示程序（点亮一个数码管）(YJSY20).*/#include /头文件sbit duan=P26; /定义段锁存控制脚sbit wei= P27; /定义位锁存控制脚void main() /主函数 P0=0x3f; /送段数据 duan=0; /锁存 duan=1; P0=0x01; /送第一位 wei=0; /锁存 wei=1; while(1); /暂停/*.111111数码管显示程序（点亮所有的数码管）(YJSY21).*/#include /头文件sbit duan=P26; /定义段锁存控制脚sbit wei= P27; /定义位锁存控制脚void main() /主函数 P0=0x06 ; /送段数据 duan=0; /锁存 duan=1; P0=0x3f; /送位数据 wei=0; /锁存 wei=1; while(1); /暂停000000-ffffff/*. 数码管显示程序（点亮所有的数码管）(YJSY22).*/#include /头文件#define unit unsigned int#define uchar unsigned charuchar c;sbit duan=P26; /定义段锁存控制脚sbit wei= P27; /定义位锁存控制脚void delay(unit x);uchar code smgtable= 0x3f,0x06,0x5b,0x4f, 0x66,0x6d,0x7d,0x07, 0x7f,0x6f,0x77,0x7c, 0x39,0x5e,0x79,0x71, 0x00 ;void main() /主函数 while(1) for (c=0;c0;a-) for(b=1513;b0;b-);/* 依次显示000000-FFFFFFF*/#include /头文件#define unit unsigned int#define uchar unsigned charuchar c;sbit duan=P26; /定义段锁存控制脚sbit wei= P27; /定义位锁存控制脚void delay(unit x);uchar code smgtable= 0x3f,0x06,0x5b,0x4f, 0x66,0x6d,0x7d,0x07, 0x7f,0x6f,0x77,0x7c, 0x39,0x5e,0x79,0x71, 0x00 ;void main() /主函数 c=0; while(1) P0=smgtablec; /送段数据 duan=0; /锁存 duan=1; P0=0x3f; /送位数据 wei=0; /锁存 wei=1; delay(100); c+; if(c=16) c=0; void delay(unit x) unit a,b; for(a=x;a0;a-) for(b=1513;b0;b-);/*显示012345程序 动态显示*/#include /头文件#define unit unsigned int#define uchar unsigned charuchar c,d,smg1,smg2,smg3,smg4,smg5,smg6;sbit duan=P26; /定义段锁存控制脚sbit wei= P27; /定义位锁存控制脚void delay(unit x);uchar code smgtable= 0x3f,0x06,0x5b,0x4f, 0x66,0x6d,0x7d,0x07, 0x7f,0x6f,0x77,0x7c, 0x39,0x5e,0x79,0x71, 0x00 ;uchar code weitable= 0x01,0x02,0x04,0x08, 0x10,0x20 ;void main() /主函数 smg1=0; smg2=1; smg3=2; smg4=3; smg5=4; smg6=5; while(1) P0=smgtablesmg1; /送段数据 duan=0; /锁存 duan=1; P0=weitable0; /送位数据 wei=0; /锁存 wei=1; delay(1); P0=0; /消隐 wei=0; /锁存 wei=1; P0=smgtablesmg2; /送段数据 duan=0; /锁存 duan=1; P0=weitable1; /送位数据 wei=0; /锁存 wei=1; delay(1); P0=0; wei=0; /锁存 wei=1; P0=smgtablesmg3; /送段数据 duan=0; /锁存 duan=1; P0=weitable2; /送位数据 wei=0; /锁存 wei=1; delay(1); P0=0; wei=0; /锁存 wei=1; P0=smgtablesmg4; /送段数据 duan=0; /锁存 duan=1; P0=weitable3; /送位数据 wei=0; /锁存 wei=1; delay(1); P0=0; wei=0; /锁存 wei=1; P0=smgtablesmg5; /送段数据 duan=0; /锁存 duan=1; P0=weitable4; /送位数据 wei=0; /锁存 wei=1; delay(1); P0=0; wei=0; /锁存 wei=1; P0=smgtablesmg6; /送段数据 duan=0; /锁存 duan=1; P0=weitable5; /送位数据 wei=0; /锁存 wei=1; delay(1); P0=0; wei=0; /锁存 wei=1; void delay(unit x) unit a,b; for(a=x;a0;a-) for(b=300;b0;b-);/000到999依次加1/#include /52单片机头文件#include /包含有左右循环移位子函数的库#define uint unsigned int /宏定义#define uchar unsigned char /宏定义sbit dula=P26; /数码管段选锁存端sbit wela=P27; /数码管位选锁存端uchar ge,shi,bai;uint tt=0;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;void display(uchar,uchar,uchar); /函数声明void delay(uint);void main() while(1)tt+;if(tt=1000)tt=0;bai=tt/100;shi=tt%100/10;ge=tt%10;display(bai,shi,ge);void display(uchar one,uchar two,uchar three) dula=0;P0=tableone; /送段数据dula=1;P0=0x00;/送位数据前关闭所有显示，防止打开位选锁存后段选数据通过位选锁存器wela=0;P0=0x01;wela=1;delay(8);dula=0;P0=tabletwo;dula=1;P0=