基于单片机数码管电子闹钟仿真设计

1478下载地址 https://docs.qq.com/doc/DWEpnR2pOWU91b3p4?pub=1&dver=2.1.0

 

#include <regx51.h>
#include <intrins.h>

sfr AUXR = 0x8e;
/*数码管显示字符转换表*/
unsigned char tab[] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x00,0x40,0x39};
signed char num[] = {10,10,10,10,10,10,10,10};   //数码管显示缓冲区
signed char timeclock[] = {0,0,11,0,0,11,0,0};   //闹钟时间
unsigned char TRH0,TRL0;  //T0重载值的高字节和低字节
bit clock = 0;	  //闹钟时间到标志位
bit flag = 0;	  //1s闪烁标志位
bit flag200ms = 0;	 //200ms定时标志位
bit timesetup = 0;   //时间设置标志位
bit clocksetup = 0;	 //闹钟设置标志位
unsigned position = 0;    //设置小时，分钟，秒标志位（‘1’小时，‘2’分钟，‘3’秒）
unsigned char Temp;	   //温度值
unsigned char Time[5];	  //时间值

void key();  //按键判断执行函数
void Ds1302_Display();	  //时间显示函数
void Ds18b20_Display();	  //温度显示函数

extern void Ds1302_Init();	  //DS1302初始化函数
void Ds1302_Time(unsigned char *time);  //带参数的向DS18B20写时间 
extern void Write_Ds1302_Byte(unsigned char temp);	  //向DS1302写入数据
extern unsigned char Read_Ds1302 (unsigned char address);	  //从DS1302读取数据
extern unsigned char DS18B20_Temp();	 //读取DS18B20温度值