weixin_46001221的博客

i++) //循环显示0-9。//显示数据处理，逐位放入对应的IO口。//定义共阴极数码管0-9的显示数组。//设置段对应的IO口。通过位移来扫描数码管。

#include “reg52.h”typedef unsigned char u8;typedef unsigned int u16;#define FOSC 12000000L #define T1MS (65536-FOSC/12/1000) //定时一秒sbit P24 = P2^4;sbit P23 = P2^3;sbit P22 = P2^2;u8 code s...

#include “intrins.h”typedef unsigned char u8 ;typedef unsigned int u16 ;#define led P2void delay(u16y){while(y–); //延时函数}void main( ){u8 i=0;led=0xfe; //11111110delay...