C51单片机多功能数字钟C源程序.doc

/*led.h负责声明全局变量*/ #include #define uchar unsigned char #define uint unsigned int /*各数据在LCD中显示的地址*/ #define Year 0x80+0x00 #define Month 0x80+0x05 #define Day 0x80+0x08 #define Hour 0x80+0x40 #define Munite 0x80+0x43 #define Second 0x80+0x46 #define Weidu 0x80+0x49 /*各数据在LCD中显示的地址*/*各端口定义*/ sbit lcden=P26; sbit lcdrs=P27; sbit beep=P25; sbit key1=P20; sbit key2=P21; sbit key3=P22; sbit key4=P23; sbit key5=P24; sbit dq=P37;/*各端口定义*/*全局变量声明*/ extern int key_function; extern int key_alarm; extern int h_alarm,m_alarm; extern int idata s,m,h,y,mo,d; extern int idata sc,mc,hc,yc,moc,dc; extern int wei; extern int music; extern int idata date213; extern uchar timeh,timel;/*全局变量声明*/*public方法声明*/void time_cal();void write_data(uchar date);void write_com(uchar com);void init(void);void delay(uint z);void putIntToString(int,int);void scan_key_function();void scan_key_alarm();void putIntToLcd();void putIntToLcd_Alarm(int h_a,int m_a);void scan_key();void add(int value);void mius(int value);void showGuangBiao(int value);void song();void delay_music(uint z);void sacn_key_alarm(); void putStringtoLcd(char addr,char* p);void tempchange();uint get_temp();void putTemp(uint value);void tone(int value);/*public方法声明*/*main.c 主功能函数*/#includeled.hint key_function=0;/功能键标志int key_alarm=0;/功能键标志int num=0;/计数变量int idata wendu;int iswarning;int istone;/* 当数据段空间不够时，可用idata修饰全局变量 */int idata s,m,h,y=2013,mo=1,d=12;/显示在LED上的年月日时分秒变量int idata sc,mc,hc,yc=2013,moc=1,dc=12;/ 实际年月日时分秒变量int idata date213=0,31,28,31,30,31,30,31,31,30,31,30,31,0,31,29,31,30,31,30,31,31,30,31,30,31;/平年与闰年每个月的天数/* 当数据段空间不够时，可用idata修饰全局变量 */int wei;/光标显示位置变量int h_alarm=24,m_alarm;int music;uchar timeh,timel;/*方法 将时间输入到LCD中*/void putIntToLcd() write_com(0x0c);/关光标显示 write_com(Hour); putIntToString(2,h); write_data(:); write_com(Munite); putIntToString(2,m); write_data(:); write_com(Second); putIntToString(2,s); write_com(Year); putIntToString(4,y); write_data(-); write_com(Month); putIntToString(2,mo); write_data(-); write_com(Day); putIntToString(2,d);/*方法 计算出年月日时分秒 */void time_cal() int h_carry=0;/初始时无进位,同时相当于关掉进位 int m_carry=0; int s_carry=0; int mo_carry=0; int d_carry=0; if(sc=60) sc=0; s_carry=1; if(s_carry) if(mc=59) mc=0; m_carry=1; else mc+=1; if(m_carry) if(hc=23) hc=0; h_carry=1; else hc+=1; if(h_carry) int isLeap=0; if(yc%400=0)|(yc%4=0)&(yc%100!=0) isLeap=1; if(dc=dateisLeapmoc) dc=1; d_carry=1; else dc+; if(d_carry) if(moc=12) moc=1; mo_carry=1; else moc+; if(mo_carry) yc+; void putTemp(uint value) tempchange(); write_com(Weidu); putIntToString(2,value/10); write_data(.); putIntToString(1,value%10); write_data(0xdf); write_data(C); void warning(int value) write_com(0x01);/清屏 putStringtoLcd(0x80+0x00,Happy Each Hour); if(value=150&value280) putStringtoLcd(0x80+0x41,Care Its Hot); /*主函数*/int main() init(); putIntToLcd(); putTemp(wendu=get_temp(); delay(2000); while(1) scan_key_function(); sacn_key_alarm(); if(key_function) scan_key();showGuangBiao(wei); else if(key_alarm) scan_key();showGuangBiao(wei); if(hc=h_alarm)&(mc=m_alarm)&(sc=0) music=1; song(); if(mc=59&sc=53&sc5) iswarning=0; write_com(0x01); /*负责时钟计时 */void time0() interrupt 1 TH0=(65536-50000)/256; TL0=(65536-50000)%256; num+; if(num=20) sc+; num=0; time_cal(); if(!key_alarm&!music&!iswarning) y=yc;mo=moc;d=dc;h=hc;m=mc;s=sc; putIntToLcd(); putTemp(wendu=get_temp(); istone=1; /*负责产生音频信号 */void time1() interrupt 3 TH1=timeh; TL1=timel; beep=beep; /*led.c实现对LCD1602操作的各函数*/#includeled.hvoid delay(uint z)/延时z ms uint x,y; for(x=z;x0;x-) for(y=110;y0;y-); void write_data(uchar date)/写数据 lcdrs=1; P0=date; lcden=1; delay(2); lcden=0; void write_com(uchar com)/写命令 lcdrs=0; P0=com; lcden=1; delay(2); lcden=0; void init()/初始化 lcden=0;/LCD初始化使能端无效 TMOD=0x11;/设置计数器0,1均为工作方式1 EA=1;/开总中断 /*设置计数器0 提供时钟脉冲 */ TH0=(65536-50000)/256; TL0=(65536-50000)%256; ET0=1; TR0=1; /*设置计数器1 提供音乐所需的频率 */ TH1=0; TL1=0; ET1=1; TR1=0; /* 初始化LCD */ write_com(0x38); write_com(0x06); write_com(0x0c); write_com(0x01); void putIntToString(int num,int value)/将整型数转换成字符串，送到LCD中显示 unsigned char buf4=0000; int n=0;do bufn=0+value%10; value/=10; while(n+,n0;x-) for(y=19000;y0;y-); void tone(int value) timeh=cuzhivalue*2; timel=cuzhivalue*2+1; TR1=1; delay(300); TR1=0; beep=1; void song() uint temp;uchar tone;/jp是简谱int i=0;while(sacn_key_alarm(),music) /选曲 temp=qnzli;if(temp=0xff)break;tone=temp/16; /取数的高4位if(tone!=0) timeh=cuzhitone*2; timel=cuzhitone*2+1; TR1=1; else TR1=0; beep=1;/关蜂鸣器delay_music(temp%16); /取数的低4位TR1=0; /唱完一个音停30MSbeep=1;/*在此显示时间的分秒既可以延时，又避免了在中断1中显示对音乐播放造成不利影响*/ write_com(Munite); putIntToString(2,mc); write_com(Second); putIntToString(2,sc); putTemp(get_temp(); i+; TR1=0;beep=1; music=0;/*wendu.c从18B20获取温度*/#include#includeled.hvoid init_weidu()/初始化18B20 uint i; dq=0; for(i=80;i0;i-); dq=1; for(i=4;i0;i-); bit readbit()/读位数据 uint i;bit _bit; dq=1;i+;dq=0;i+;i+;dq=1; i+; _bit=dq;for(i=3;i0;i-);return _bit; uchar readbyte()/读字节数据 uchar i; uchar _byte,a; _byte=0; for(i=0;i8;i+) a=readbit(); _byte=_byte|ai; return _byte; void write_cmd(uchar cmd)/向18B20写命令 uint i; uint j; bit _bit; uchar c; c=cmd; for(i=0;i1; dq=0; j+;j+; dq=_bit; j=8;while(j0) j-; dq=1; void tempchange()/更新18B20 init_w