基于单片机的万年历源代码程序.doc

基于单片机的万年历源代码程序 源程序代码如下： #includereg52.h #includeintrins.h unsigned char code displaywelcome[]={ Welcome To My Lcd Timer};//欢迎界面 unsigned char code displaywish[]={ Happy Every Day ^_^}; //欢迎界面 unsigned char code overtemperature[]={OVERTEMPERATURE!}; unsigned char code digit[]={0123456789}; //数字代码 unsigned char mode,TH，TL,TN,TD,length,tempswitch,Maxtemp=40,amode,alarmmode,minutes,hours, minutea,seconds,houra=12; sbit SCLK=P1^0; //DS1302时钟输入 sbit DATE=P1^1; //DS1302数据输入 sbit REST=P1^2; //DS1302复位端口 sbit SET=P1^4; //DS1302设置模式选择位 sbit ADD=P1^5; //增加 sbit RED=P1^6; //减小 sbit CANL=P1^7; void delay1ms(int i)//1毫秒延时 { int j,k; while(i--) for(j=76;j1;j--); for(k=29;k1;k--); } void delaynus(unsigned char n) //延时若干微秒 { unsigned char i; for(i=0;in;i++); } /***********蜂鸣器模块************/ sbit beep=P3^6; //位定义，定义P.6位fmp void dely500(void) { unsigned char i; for(i=250;i0;i--) { _nop_(); } } void baojing(unsigned char n) { unsigned char x,i; while(n--) { for(i=0;i5;i++) { for(x=0;x200;x++) { beep=~beep; dely500(); } } for(i=0;i3;i++) { for(x=0;x200;x++) { beep=~beep; dely500(); dely500(); } } } } /*******DS1302模块*************/ void Write1302(unsigned char date)//向1302写数据 { unsigned char i; SCLK=0; delaynus(2); for(i=0;i8;i++) { DATE=date0x01; SCLK=1; delaynus(2); SCLK=0; delaynus(2); date=1; } } void WriteSet1302(unsigned char cmd,unsigned char date) //根据相应的命令输入相应的数据 { REST=0; SCLK=0; REST=1; Write1302(cmd); delaynus(5); Write1302(date); SCLK=1; REST=0; } unsigned char Read1302(void) //读取1302数据 { unsigned char i,date; delaynus(2); for(i=0;i8;i++) { date=1; if(DATE==1) date|=0x80; SCLK=1; delaynus(2); SCLK=0; delaynus(2); } return date; } unsigned char ReadSet1302(unsigned char cmd)//根据命令读取1302相应的值 { unsigned char date; REST=0; SCLK=0; REST=1; Write1302(cmd); delaynus(2); date=Read