51单片机数码管显示的程序是什么？

Answer 1

#include //52系列单片机头文件\x0d\x0a#define uchar unsigned char //宏定义\x0d\x0a#define uint unsigned int\x0d\x0asbit dula=P2^6; //申明u1锁存器的锁存端\x0d\x0asbit wela=P2^7; // u2\x0d\x0auchar num1,num2;\x0d\x0auchar code table[]={ //数组定义\x0d\x0a 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,\x0d\x0a 0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};\x0d\x0auchar code aable[]={ //位选数组定义\x0d\x0a 0xfe,0xfd,0xfb,0xf7,0xef,0xdf};\x0d\x0a void delays(uint); //子函数申明\x0d\x0a\x0d\x0a void main() \x0d\x0a{\x0d\x0a while(1)\x0d\x0a {\x0d\x0a for(num1=0;num1<48;num1++)//6个数循环显示\x0d\x0a {\x0d\x0a wela=1;//打开u2锁存端\x0d\x0a P0=aable[num1%6];//送入位选信号\x0d\x0a wela=0;//关闭u2锁存端\x0d\x0a //delays(1);\x0d\x0a dula=1;//打开u1锁存端\x0d\x0a P0=table[num1%16];//送入段选信号\x0d\x0a dula=0;//关闭u1锁存端\x0d\x0a delays(1);\x0d\x0a }\x0d\x0a }\x0d\x0a}\x0d\x0a/*---------主函数-----------------------------------------------*/\x0d\x0a\x0d\x0avoid delays(uint xs)\x0d\x0a{\x0d\x0a uint i,j,k;\x0d\x0a for(i=xs;i>0;i--)\x0d\x0a for(j=1000;j>0;j--)\x0d\x0a for(k=110;k>0;k--);\x0d\x0a}\x0d\x0a/*----------------延时程序-----------------------------------------------*/