1、3电路硬件设计实际效果图4程序代码部分Main.h#ifndef _MAIN_H#define _MAIN_H#include reg52.hINTRINS.Hmath.hstring.hkey.hled.h12864.hmain.hisd1700.hsound.hextern unsigned int count;extern unsigned int key_time8;extern unsigned char key_new;extern unsigned char key_old;extern unsigned char stop_flag;extern unsigned char k
2、ey_follow8;extern unsigned int key_num8;sbit BEEP=P37;sbit ISD_SS=P07;sbit ISD_MISO=P04;sbit ISD_MOSI=P05;sbit ISD_SCLK=P06;extern unsigned char date_show;extern unsigned char time_show;extern unsigned char sec;extern unsigned char min;extern unsigned char hour;extern unsigned char day;extern unsign
3、ed char month;extern unsigned char year_f;extern unsigned char year_l;extern unsigned char leap_year_flag;extern unsigned char update_flag;extern unsigned char adjust_flag;extern unsigned char key;unsigned char report（）;#endifMain.cunsigned int count=0;unsigned int key_num8=0;unsigned char key_new=0
4、;unsigned char key_old=0;unsigned char stop_flag=0;unsigned char key_follow8=0;unsigned char sec=1;unsigned char min=0;unsigned char hour=9;unsigned char day=1;unsigned char month=1;unsigned char year_f=20;unsigned char year_l=14;unsigned char leap_year_flag=0;unsigned char date_show=2014-01-01;unsi
5、gned char time_show=09:00unsigned char update_flag=1;unsigned char key=0;unsigned char adjust_flag=0;unsigned char adjust_pos=0;unsigned char report_flag=0;void main（） unsigned char i; P2=0XFF; BEEP=0; init（）; initinal（）; /调用LCD字库初始化程序 TMOD=0x01; /使用定时器T0 TH0=（65536-1000）/256; /定时器高八位赋初值 TL0=（65536-
6、1000）%256; /定时器低八位赋初值 */ EA=1; /开中断总允许 ET0=1; /允许T0中断 TR0=1; /启动定时器T0 while（1） if（update_flag） lcd_pos（1,0）; for（i=0;i=80） sec=0; if（min min=0; if（hour=40） hour=0; if（month30） month=1; if（day50） day=0; if（year_f=120） year_f=0; if（year_l year_l=0; if（key=3） report_flag=1; if（report_flag） clrram（）; Dingwei（2,1）; lcd_mesg（REPORTING!）; report（）;void time0（） interrupt 1 static unsigned char timer=0; TH0=（65536-50000）/256; TL0=（65536-50000）%256; /定时器低八位赋初值 timer+; if（timer=2
