51单片机c语言电子万年历完整程序文件.docx

1、51单片机c语言电子万年历完整程序文件该程序为51单片机c语言电子万年历#includereg52.h/#include#define uchar unsigned char#define uint unsigned intsbit lcden=P34;sbit lcdrs=P35;sbit DATA=P07; sbit RST=P05; sbit SCLK=P06;sbit menu=P30; /菜单sbit add=P31; /加一sbit dec=P37; /减一sbit led0=P10;sbit led1=P11;sbit led2=P12;sbit led3=P13;sbit ds

2、=P32;/sbit beep=P33;uint temp;float f_temp;uint warn_l1=270;uint warn_l2=250;uint warn_h1=300;uint warn_h2=320;uint get_temp();void delayms(uint x);void write_com(uchar com);void write_data(uchar date);void init();void dis_temp(uint t);void Write1302(uchar dat);void WriteSet1302(uchar Cmd,uchar dat)

3、;uchar Read1302(void);uchar ReadSet1302(uchar Cmd);void Init_DS1302(void);void DisplaySecond(uchar x);void DisplayMinute(uchar x);void DisplayHour(uchar x);void DisplayDay(uchar x);void DisplayMonth(uchar x);void DisplayYear(uchar x);void DisplayWeek(uchar x);void dis_temp(uint t);void read_date(voi

4、d);void turn_val(char newval,uchar flag, uchar newaddr,uchar s1num);void key_scan(void);char code table=0123456789 ;uchar code table2= TUEWESTHUFRISATSUNMON;uchar second,minute,hour,day,month,year,week,count=0; uchar ReadValue,num,time; void delayms(uint x) uint i,j; for(i=x;i0;i-) for(j=110;j0;j-);

5、/void write_com(uchar com) lcdrs=0; P2=com; delayms(5); lcden=1; delayms(5); lcden=0;void write_data(uchar date) lcdrs=1; P2=date; delayms(5); lcden=1; delayms(5); lcden=0;void init() lcden=0; write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x01);/void Write1302(uchar dat) uchar i; SCLK

6、=0; /拉低SCLK，为脉冲上升沿写入数据做好准备 delayms(2); /稍微等待，使硬件做好准备 for(i=0;i=1; /将dat的各数据位右移1位，准备写入下一个数据位 void WriteSet1302(uchar Cmd,uchar dat) RST=0; /禁止数据传递 SCLK=0; /确保写数居前SCLK被拉低 RST=1; /启动数据传输 delayms(2); /稍微等待，使硬件做好准备 Write1302(Cmd); /写入命令字 Write1302(dat); /写数据 SCLK=1; /将时钟电平置于已知状态 RST=0; /禁止数据传递 uchar Read

7、1302(void) uchar i,dat; delayms(2); /稍微等待，使硬件做好准备 for(i=0;i=1; /将dat的各数据位右移1位，因为先读出的是字节的最低位 if(DATA=1) /如果读出的数据是1 dat|=0x80; /将1取出，写在dat的最高位 SCLK=1; /将SCLK置于高电平，为下降沿读出 delayms(2); /稍微等待 SCLK=0; /拉低SCLK，形成脉冲下降沿 delayms(2); /稍微等待 return dat; /将读出的数据返回 uchar ReadSet1302(uchar Cmd) uchar dat; RST=0; /拉低

8、RST SCLK=0; /确保写数居前SCLK被拉低 RST=1; /启动数据传输 Write1302(Cmd); /写入命令字 dat=Read1302(); /读出数据 SCLK=1; /将时钟电平置于已知状态 RST=0; /禁止数据传递 return dat; /将读出的数据返回void Init_DS1302(void) WriteSet1302(0x8E,0x00); /根据写状态寄存器命令字，写入不保护指令 WriteSet1302(0x80,(0/10)4|(0%10); /根据写秒寄存器命令字，写入秒的初始值 WriteSet1302(0x82,(59/10)4|(59%10

9、); /根据写分寄存器命令字，写入分的初始值 WriteSet1302(0x84,(23/10)4|(23%10); /根据写小时寄存器命令字，写入小时的初始值 WriteSet1302(0x86,(28/10)4|(28%10); /根据写日寄存器命令字，写入日的初始值 WriteSet1302(0x88,(2/10)4|(2%10); /根据写月寄存器命令字，写入月的初始值 WriteSet1302(0x8c,(14/10)4|(14%10); /nian /WriteSet1302(0x8a,(4/10)4)*10 + (ReadValue&0x0F); i=x/10; j=x%10;

10、write_com(0x80+0x46); write_data(i+0x30); write_com(0x80+0x47); write_data(j+0x30); void DisplayMinute(uchar x) uchar i,j; i=x/10; j=x%10; write_com(0x80+0x43); write_data(i+0x30); write_com(0x80+0x44); write_data(j+0x30); write_com(0x80+0x45); write_data(:); void DisplayHour(uchar x) uchar i,j; i=x

11、/10; j=x%10; write_com(0x80+0x40); write_data(i+0x30); write_com(0x80+0x41); write_data(j+0x30); write_com(0x80+0x42); write_data(:); void DisplayDay(uchar x) uchar i,j; i=x/10; j=x%10; write_com(0x89); write_data(i+0x30); write_com(0x8a); write_data(j+0x30); void DisplayMonth(uchar x) uchar i,j; i=

12、x/10; j=x%10; write_com(0x86); write_data(i+0x30); write_com(0x87); write_data(j+0x30); write_com(0x88); write_data(/); void DisplayYear(uchar x) uchar i,j; i=x/10; j=x%10; write_com(0x81); write_data(2+0x30); write_com(0x82); write_data(0+0x30); write_com(0x83); write_data(i+0x30); write_com(0x84);

13、 write_data(j+0x30); write_com(0x85); write_data(/); void DisplayWeek(uchar x) uchar i; x=x*3;/ write_com(0x8c);write_data(table2x); / write_com(0x8d);write_data(table2x+1); / write_com(0x8e);write_data(table2x+2); write_com(0x8c); for(i=0;i4)*10 + (ReadValue&0x0F); ReadValue = ReadSet1302(0x83); mi

14、nute=(ReadValue&0x70)4)*10 + (ReadValue&0x0F); ReadValue = ReadSet1302(0x85); hour=(ReadValue&0x70)4)*10 + (ReadValue&0x0F); ReadValue = ReadSet1302(0x87); day=(ReadValue&0x70)4)*10 + (ReadValue&0x0F); ReadValue = ReadSet1302(0x89); month=(ReadValue&0x70)4)*10 + (ReadValue&0x0F); ReadValue = ReadSet

15、1302(0x8d); year=(ReadValue&0x70)4)*10 + (ReadValue&0x0F); ReadValue=ReadSet1302(0x8b); /读星期 week=ReadValue&0x07; DisplayYear(year); DisplayMonth(month); DisplayDay(day); DisplayWeek(week); DisplayHour(hour); DisplayMinute(minute); DisplaySecond(second); dis_temp(get_temp(); /温度显示 key_scan(); /按键检测

16、void turn_val(char newval,uchar flag,uchar newaddr,uchar s1num) newval=ReadSet1302(newaddr); /读取当前时间 newval=(newval&0x70)4)*10+(newval&0x0f); /将bcd码转换成十进制 if(flag) /判断是加一还是减一 newval+; switch(s1num) case 1: if(newval99) newval=0; DisplayYear(newval); break; case 2: if(newval12) newval=1; DisplayMonth

17、(newval); break; case 3: if(newval31) newval=1; DisplayDay(newval); break; case 4: if(newval6) newval=0; DisplayWeek(newval); break; case 5: if(newval23) newval=0; DisplayHour(newval); break; case 6: if(newval59) newval=0; DisplayMinute(newval); break; case 7: if(newval59) newval=0; DisplaySecond(ne

18、wval); break; default:break; else newval-; switch(s1num) case 1: if(newval=0) newval=99; DisplayYear(newval); break; case 2: if(newval=0) newval=12; DisplayMonth(newval); break; case 3: if(newval=0) newval=31; DisplayDay(newval); break; case 4: if(newval0) newval=6; DisplayWeek(newval); break; case

19、5: if(newval0) newval=23; DisplayHour(newval); break; case 6: if(newval0) newval=59; DisplayMinute(newval); break; case 7: if(newval0) newval=59; DisplaySecond(newval); break; default:break; WriteSet1302(newaddr-1),(newval/10)0) i-; ds=1; i=4; while(i0) i-; bit tempreadbit(void) uint i; bit dat; ds=

20、0;i+; ds=1;i+;i+; dat=ds; i=8; while(i0) i-; return(dat);uchar tempread(void) uchar i,j,dat; dat=0; for(i=1;i=8;i+) j=tempreadbit(); dat=(j1); return(dat);void tempwritebyte(uchar dat) uint i; uchar j; bit testb; for(j=1;j1; if(testb) ds=0; i+;i+; ds=1; i=8; while(i0) i-; else ds=0; i=8; while(i0)i-

21、; ds=1; i+;i+; void tempchange(void) dsreset(); delayms(1); tempwritebyte(0xcc); tempwritebyte(0x44); key_scan(); /按键函数uint get_temp() uchar a,b; tempchange(); /温度函数 dsreset(); delayms(1); tempwritebyte(0xcc); tempwritebyte(0xbe); a=tempread(); b=tempread(); temp=b; tempwarn_l2)&(t=warn_l1) warn(40,0x01); else if(t=warn_l2) warn(10,0x03); else if(t=warn_h1) warn(40,0x04); else if(t=warn_h2) warn(10,0x0c); else i=40; while(i-) dis_temp(get_temp(); DisSecond(second); /