C51单片机的示例-课程实验-数码管-内含源码和说明书.zip

/* proj:dp-led author:mrskye encoding:gbk */ #include<reg52.h> sbit DULA = P2^6; sbit WELA = P2^7; unsigned char wordlist[] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00}; unsigned char ledlist[] = {0xfe,0xfd,0xfb,0xf7,0xef,0x5f}; void delay(unsigned int i) { unsigned int m,n; for(m=i;m>0;m--) for(n=90;n>0;n--); } void display(unsigned char word,unsigned char led,unsigned int time) { //选中显示位 P0 = led; WELA = 1; WELA = 0; //输出字符 P0 = word; DULA = 1; DULA = 0; //延迟时间 delay(time); } void main() { while (1) { display(wordlist[14],ledlist[0],10); display(wordlist[6],ledlist[1],10); display(wordlist[0],ledlist[2],10); display(wordlist[1],ledlist[3],10); display(wordlist[3],ledlist[4],10); display(wordlist[2],ledlist[5],10); } }