K5按键 按一下,时钟开始正常显示时间,再按一下,显示日期
K6按键为调整键
K7按键 按一下,开始显示日期,再按一下进入 日期跟时钟的 调节模式
单片机源程序如下:
- #include <at89x52.h>
- #include <DS1302.h>
- #include <intrins.h>
- unsigned char time0[]={0,0,0,0,0,0,0,0};//用来储存时间
- unsigned char date[]={0,0,0,0,0,0,0,0};//用来储存日期
- unsigned char time2[]={1,1,1,1,1,1,1,1};//用来储存时间
- unsigned char date1[]={0,0,0,0,0,0,0,0};//用来储存日期
- unsigned char time3[]={0,0,0,0,0,0,0,0};//用来储存时间
- unsigned char time4[]={1,1,1,1,1,1,1,1};//用来储存时间
- unsigned char code User[]={0x10,0x06,0x09,0x08,0x08,0x09,0x06,0x00};
- unsigned char TL; //储存暂存器的温度低位
- unsigned char TH; //储存暂存器的温度高位
- unsigned char TN; //储存温度的整数部分
- unsigned char TD; //储存温度的小数部分
- unsigned char sum=0;
- unsigned char code dispcode[]={"0123456789-"};
- unsigned char code dispcode1[]={"1234567"};
- sbit fmq=P3^6;
- sbit RS=P2^0; //寄存器选择位,将RS位定义为P2.0引脚
- sbit RW=P2^1; //读写选择位,将RW位定义为P2.1引脚
- sbit E=P2^2; //使能信号位,将E位定义为P2.2引脚
- sbit BF=P0^7; //忙碌标志位,,将BF位定义为P0.7引脚
- unsigned char z,h=0,x,i,c;
- unsigned char flag1,tltemp;
- sbit DQ=P3^3;
- unsigned char time; //设置全局变量,专门用于严格延时
- SYSTEMTIME time1; //在ds1302.h文件中已经定义了一个名字为SYSTEMTIME的结构体,在这里我们定义一个变量名
- //为time的SYSTEMTIME结构体
- void delay(unsigned char i) //延时子程序
- {
- unsigned char j;
- while((i--)!=0)
- {
- for(j=123;j>0;j--);
- }
- }
- void delayus(unsigned char xus)
- {
- for(i=xus;i>0;i--)
- for(c=57;c>0;c--);
- }
- void beep()
- {
- fmq=0;
- delayus(2);
- fmq=1;
- delayus(2);
- delay(100);
- delayus(100);
- fmq=1;
- delayus(100);
- delay(200);
- fmq=0;
- delayus(2);
- fmq=1;
- delayus(2);
- delay(100);
- delayus(100);
- fmq=1;
- delayus(100);
- delay(200);
- fmq=0;
- delayus(2);
- fmq=1;
- delayus(2);
- delay(100);
- delayus(100);
- fmq=1;
- delayus(100);
- delay(200);
- fmq=0;
- delayus(2);
- fmq=1;
- delayus(2);
- delay(100);
- delayus(100);
- fmq=1;
- delayus(100);
- delay(200);
- }
- bit BusyTest(void)
- {
- bit result;
- RS=0; //根据规定,RS为低电平,RW为高电平时,可以读状态
- RW=1;
- E=1; //E=1,才允许读写
- _nop_(); //空操作
- _nop_();
- _nop_();
- _nop_(); //空操作四个机器周期,给硬件反应时间
- result=BF; //将忙碌标志电平赋给result
- E=0;
- return result;
- }
- void Write_com (unsigned char dictate)
- {
- while(BusyTest()==1); //如果忙就等待
- RS=0; //根据规定,RS和R/W同时为低电平时,可以写入指令
- RW=0;
- E=0; //E置低电平(写指令时,
- // 就是让E从0到1发生正跳变,所以应先置"0"
- _nop_();
- _nop_(); //空操作两个机器周期,给硬件反应时间
- P0=dictate; //将数据送入P0口,即写入指令或地址
- _nop_();
- _nop_();
- _nop_();
- _nop_(); //空操作四个机器周期,给硬件反应时间
- E=1; //E置高电平
- _nop_();
- _nop_();
- _nop_();
- _nop_(); //空操作四个机器周期,给硬件反应时间
- E=0; //当E由高电平跳变成低电平时,液晶模块开始执行命令
- }
- void WriteAddress(unsigned char x)
- {
- Write_com(x|0x80); //显示位置的确定方法规定为"80H+地址码x"
- }
- void WriteData(unsigned char y)
- {
- while(BusyTest()==1);
- RS=1; //RS为高电平,RW为低电平时,可以写入数据
- RW=0;
- E=0; //E置低电平(写指令时,,
- // 就是让E从0到1发生正跳变,所以应先置"0"
- P0=y; //将数据送入P0口,即将数据写入液晶模块
- _nop_();
- _nop_();
- _nop_();
- _nop_(); //空操作四个机器周期,给硬件反应时间
- E=1; //E置高电平
- _nop_();
- _nop_();
- _nop_();
- _nop_(); //空操作四个机器周期,给硬件反应时间
- E=0; //当E由高电平跳变成低电平时,液晶模块开始执行命令
- }
- void LcdInt(void)
- {
- delay(15); //延时15ms,首次写指令时应给LCD一段较长的反应时间
- Write_com(0x38); //显示模式设置:16×2显示,5×7点阵,8位数据接口
- delay(5); //延时5ms
- Write_com(0x38);
- delay(5);
- Write_com(0x38); //3次写 设置模式
- delay(5);
- Write_com(0x0C); //显示模式设置:显示开,有光标,光标闪烁
- delay(5);
- Write_com(0x06); //显示模式设置:光标右移,字符不移
- delay(5);
- Write_com(0x01); //清屏幕指令,将以前的显示内容清除
- delay(5);
- }
- bit Init_DS18B20(void)
- {
- bit flag1; //储存DS18B20是否存在的标志,flag=0,表示存在;flag=1,表示不存在
- DQ = 1; //先将数据线拉高
- for(time=0;time<2;time++) //略微延时约6微秒
- ;
- DQ = 0; //再将数据线从高拉低,要求保持480~960us
- for(time=0;time<200;time++) //略微延时约600微秒
- ; //以向DS18B20发出一持续480~960us的低电平复位脉冲
- DQ = 1; //释放数据线(将数据线拉高)
- for(time=0;time<10;time++)
- ; //延时约30us(释放总线后需等待15~60us让DS18B20输出存在脉冲)
- flag1=DQ; //让单片机检测是否输出了存在脉冲(DQ=0表示存在)
- for(time=0;time<200;time++) //延时足够长时间,等待存在脉冲输出完毕
- ;
- return (flag1); //返回检测成功标志
- }
- unsigned char ReadOneChar(void)
- {
- unsigned char i=0;
- unsigned char dat; //储存读出的一个字节数据
- for (i=0;i<8;i++)
- {
-
- DQ =1; // 先将数据线拉高
- _nop_(); //等待一个机器周期
- DQ = 0; //单片机从DS18B20读书据时,将数据线从高拉低即启动读时序
- _nop_(); //等待一个机器周期
- DQ = 1; //将数据线"人为"拉高,为单片机检测DS18B20的输出电平作准备
- for(time=0;time<2;time++)
- ; //延时约6us,使主机在15us内采样
- dat>>=1;
- if(DQ==1)
- dat|=0x80; //如果读到的数据是1,则将1存入dat
- else
- dat|=0x00;//如果读到的数据是0,则将0存入dat
- //将单片机检测到的电平信号DQ存入r[i]
- for(time=0;time<8;time++)
- ; //延时3us,两个读时序之间必须有大于1us的恢复期
- }
- return(dat); //返回读出的十六进制数据
- }
- WriteOneChar(unsigned char dat)
- {
- unsigned char i=0;
- for (i=0; i<8; i++)
- {
- DQ =1; // 先将数据线拉高
- _nop_(); //等待一个机器周期
- DQ=0; //将数据线从高拉低时即启动写时序
- DQ=dat&0x01; //利用与运算取出要写的某位二进制数据,
- //并将其送到数据线上等待DS18B20采样
- for(time=0;time<10;time++)
- ;//延时约30us,DS18B20在拉低后的约15~60us期间从数据线上采样
- DQ=1; //释放数据线
- for(time=0;time<1;time++)
- ;//延时3us,两个写时序间至少需要1us的恢复期
- dat>>=1; //将dat中的各二进制位数据右移1位
- }
- for(time=0;time<4;time++);
- //稍作延时,给硬件一点反应时间
- }
- void ReadyReadTemp(void)
- {
- Init_DS18B20(); //将DS18B20初始化
- WriteOneChar(0xCC); // 跳过读序号列号的操作
- WriteOneChar(0x44); // 启动温度转换
- delay(200); //转换一次需要延时一段时间
- Init_DS18B20(); //将DS18B20初始化
- WriteOneChar(0xCC); //跳过读序号列号的操作
- WriteOneChar(0xBE); //读取温度寄存器,前两个分别是温度的低位和高位
- }
- void display_dot(void)
- {
- WriteAddress(0x0d); //写显示地址,将在第2行第10列开始显示
- WriteData('.'); //将小数点的字符常量写入LCD
- delay(50); //延时1ms给硬件一点反应时间
- }
- void display_temp1(unsigned char x)
- {
- unsigned char k,l; //j,k,l分别储存温度的百位、十位和个位
- k=(x%100)/10; //取十位
- l=x%10; //取个位
- WriteAddress(0x0b); //写显示地址,将在第1行第11列开始显示
- if(flag1==1) //负温度时 显示“—”
- {
- WriteData(dispcode[10]); //将百位数字的字符常量写入LCD
- }
- else{
- }
- WriteData(dispcode[k]); //将十位数字的字符常量写入LCD
- WriteData(dispcode[l]); //将个位数字的字符常量写入LCD
- delay(50); //延时1ms给硬件一点反应时间
- }
- void display_temp2(unsigned char x)
- {
- WriteAddress(0x0e); //写显示地址,将在第2行第11列开始显示
- WriteData(dispcode[x]); //将小数部分的第一位数字字符常量写入LCD
- delay(50); //延时1ms给硬件一点反应时间
- }
- display_cent()
- { unsigned char j;
- Write_com(0x40); //设定CGRAM地址
- delay(5);
- for(j=0;j<8;j++ )
- {
- WriteData(User[j]);//写入自定义图形 ℃
- }
- WriteAddress(0x0f);//设定屏幕上的显示位置
- delay(5);
- WriteData(0x00); //从CGRAM里取出自定义图形显示
- }
- unsigned char button_time(n,x,y) //时钟调整子程序
- unsigned char n,x,y;
- {
- if(P1_7==0)
- {
- delay(15);
- if(P1_7==0)
- {
- n++;
- if(n==x)
- n=0;
- while(P1_7==0);
- }
- }
- if(P1_5==0)
- {
- delay(15);
- if(P1_5==0)
- {
- if(n==0)
- n=y;
- else
- n--;
- while(P1_5==0);
- }
- }
- return n;
- }
- unsigned char button_date(n,x,y) //日期调整子程序
- unsigned char n,x,y;
- {
- if(P1_7==0)
- {
- delay(15);
- if(P1_7==0)
- {
- n++;
- if(time1.Month==1||time1.Month==3||time1.Month==5||time1.Month==7
- ||time1.Month==8||time1.Month==10||time1.Month==12)
- x=32;
- if(time1.Month==4||time1.Month==6||time1.Month==9||time1.Month==11)
- x=31;
- if(time1.Month==2)
- x=29;
- if(((time1.Year%4==0&&time1.Year%100!=0)||time1.Year%400==0)&&time1.Month==2)
- x=30;
- if(n==x)
- n=1;
-
- while(P1_7==0);
- }
- }
- if(P1_5==0)
- {
- delay(15);
- if(P1_5==0)
- {
- if(time1.Month==1||time1.Month==3||time1.Month==5||time1.Month==7
- ||time1.Month==8||time1.Month==10||time1.Month==12)
- y=31;
- if(time1.Month==4||time1.Month==6||time1.Month==9||time1.Month==11)
- y=30;
- if(time1.Month==2)
- y=28;
- if(((time1.Year%4==0&&time1.Year%100!=0)||time1.Year%400==0)&&time1.Month==2)
- y=29;
- if(n==1)
- n=y;
- else
- n--;
- while(P1_5==0);
- }
- }
- return n;
- }
- unsigned char button_date1(n,x,y) //日期调整子程序
- unsigned char n,x,y;
- {
- if(P1_7==0)
- {
- delay(15);
- if(P1_7==0)
- {
- n++;
- if(n==x)
- n=1;
- while(P1_7==0);
- }
- }
- if(P1_5==0)
- {
- delay(15);
- if(P1_5==0)
- {
- if(n==1)
- n=y;
- else
- n--;
- while(P1_5==0);
- }
- }
- return n;
- }
- bit leap_year()
- {
- bit leap;
- if((time1.Year%4==0&&time1.Year%100!=0)||time1.Year%400==0)//闰年的条件
- leap=1;
- else
- leap=0;
- return leap;
- }
-
- unsigned char week_proc()
- { unsigned char num_leap,week;
- unsigned char c;
- num_leap=time1.Year/4-time1.Year/100+time1.Year/400;//自00年起到year所经历的闰年数
- if( leap_year()&&time1.Month<=2 ) //既是闰年且是1月和2月
- c=2;
- else
- c=3;
- week=(time1.Year+dispcode1[time1.Month]+time1.Day+num_leap+c)%7;//计算对应的星期
- return week;
- }
- void display(second10,second1,minute10,minute1,hour10,hour1,day10,day1,month10,month1,year10,year1) //显示子程序
- unsigned char second10,second1,minute10,minute1,hour10,hour1,day10,day1,month10,month1,year10,year1;
- {
- WriteAddress(0x40);
- WriteData(dispcode[second10]);//显示秒的十位
- delay(1);
- WriteAddress(0x41);
- WriteData(dispcode[second1]); //显示秒的个位
- delay(1);
- WriteAddress(0x42);
- WriteData('-'); //显示"-"
- delay(1);
- WriteAddress(0x43);
- WriteData(dispcode[minute10]);//显示分的十位
- delay(1);
- WriteAddress(0x44);
- WriteData(dispcode[minute1]); //显示分的个位
- delay(1);
- WriteAddress(0x45);
- WriteData('-'); //显示"-"
- delay(1);
- WriteAddress(0x46);
- WriteData(dispcode[hour10]); //显示时的十位
- delay(1);
- WriteAddress(0x47);
- WriteData(dispcode[hour1]); //显示时的个位
- delay(1);
- WriteAddress(0x00);
- WriteData('2');
- delay(1);
- WriteAddress(0x01);
- WriteData('0');
- delay(1);
- WriteAddress(0x02);
- WriteData(dispcode[day10]);//显示日的十位
- delay(1);
- WriteAddress(0x03);
- WriteData(dispcode[day1]);//显示日的十位
- delay(1);
- WriteAddress(0x04);
- WriteData('-');
- delay(1);
- WriteAddress(0x05);
- WriteData(dispcode[month10]);//显示月的十位
- delay(1);
- WriteAddress(0x06);
- WriteData(dispcode[month1]);//显示月的十位
- delay(1);
- WriteAddress(0x07);
- WriteData('-');
- delay(1);
- WriteAddress(0x08);
- WriteData(dispcode[year10]);//显示年的十位
- delay(1);
- WriteAddress(0x09);
- WriteData(dispcode[year1]);//显示年的十位
- delay(1);
- }
- void display1()
- {
- while(1)
- {
- WriteAddress(0x00);
- WriteData('2');//显示秒的十位
- delay(1);
- WriteAddress(0x01);
- WriteData('0');//显示秒的十位
- delay(1);
- WriteAddress(0x02);
- WriteData(dispcode[date1[0]]);//显示年的十位
- delay(1);
- WriteAddress(0x03);
- WriteData(dispcode[date1[1]]);//显示年的个位
- delay(1);
- WriteAddress(0x04);
- WriteData('-');
- delay(1);
- WriteAddress(0x05);
- WriteData(dispcode[date1[2]]);//显示月的十位
- delay(1);
- WriteAddress(0x06);
- WriteData(dispcode[date1[3]]);//显示月的个位
- delay(1);
- WriteAddress(0x07);
- WriteData('-');
- delay(1);
- WriteAddress(0x08);
- WriteData(dispcode[date1[4]]); //显示日的十位
- delay(1);
- WriteAddress(0x09);
- WriteData(dispcode[date1[5]]); //显示日的个位
- delay(1);
- WriteAddress(0x47);
- WriteData(dispcode[10]);//显示秒的十位
- delay(1);
- WriteAddress(0x46);
- WriteData(dispcode[10]); //显示秒的个位
- delay(1);
- WriteAddress(0x45);
- WriteData(dispcode[10]); //显示"-"
- delay(1);
- WriteAddress(0x44);
- WriteData(dispcode[10]);//显示分的十位
- delay(1);
- WriteAddress(0x43);
- WriteData(dispcode[10]); //显示分的个位
- delay(1);
- WriteAddress(0x42);
- WriteData(dispcode[10]); //显示"-"
- delay(1);
- WriteAddress(0x40);
- WriteData(dispcode[time2[0]]); //显示时的十位
- delay(1);
- WriteAddress(0x41);
- WriteData(dispcode[time2[1]]); //显示时的个位
- delay(1);
- if(P1_7==0)
- delay(10);
- if(P1_7==0)
- {
- time2[1]++;
- if(time2[1]==10)
- {
- time2[1]=0;
- time2[0]++;
- }
- if(time2[0]==2&&time2[1]==4)
- {
- time2[0]=0;
- time2[1]=0;
- }
- while(P1_7==0);
- }
- if(P1_5==0)
- {delay(10);
- if(P1_5==0)
- {
- time2[1]--;
- if(time2[1]==0&&time2[0]==0)
- {
- time2[0]=2;
- time2[1]=4;
- }
- if(time2[1]==0-1)
- {
- time2[0]--;
- time2[1]=9;
- }
- while(P1_5==0);
- }
- }
- if(P1_6==0)
- break;
- }
- }
- void display2()
- {
- while(1)
- {
- WriteAddress(0x00);
- WriteData('2');//显示秒的十位
- delay(1);
- WriteAddress(0x01);
- WriteData('0');//显示秒的十位
- delay(1);
- WriteAddress(0x02);
- WriteData(dispcode[date1[0]]);//显示秒的十位
- delay(1);
- WriteAddress(0x03);
- WriteData(dispcode[date1[1]]);//显示秒的十位
- delay(1);
- WriteAddress(0x04);
- WriteData('-');//显示秒的十位
- delay(1);
- WriteAddress(0x05);
- WriteData(dispcode[date1[2]]);//显示秒的十位
- delay(1);
- WriteAddress(0x26);
- WriteData(dispcode[date1[3]]);//显示秒的十位
- delay(1);
- WriteAddress(0x07);
- WriteData('-');//显示秒的十位
- delay(1);
- WriteAddress(0x08);
- WriteData(dispcode[date1[4]]);//显示秒的十位
- delay(1);
- WriteAddress(0x09);
- WriteData(dispcode[date1[5]]);//显示秒的十位
- delay(1);
- WriteAddress(0x40);
- WriteData(dispcode[10]);//显示秒的十位
- delay(1);
- WriteAddress(0x41);
- WriteData(dispcode[10]); //显示秒的个位
- delay(1);
- WriteAddress(0x42);
- WriteData(dispcode[10]); //显示"-"
- delay(1);
- WriteAddress(0x43);
- WriteData(dispcode[time2[2]]);//显示分的十位
- delay(1);
- WriteAddress(0x44);
- WriteData(dispcode[time2[3]]); //显示分的个位
- delay(1);
- WriteAddress(0x45);
- WriteData(dispcode[10]); //显示"-"
- delay(1);
- WriteAddress(0x46);
- WriteData(dispcode[10]); //显示时的十位
- delay(1);
- WriteAddress(0x47);
- WriteData(dispcode[10]); //显示时的个位
- delay(1);
- if(P1_7==0)
- delay(10);
- if(P1_7==0)
- {
- time2[3]++;
- if(time2[3]==10)
- {
- time2[3]=0;
- time2[2]++;
- }
- if(time2[2]==6&&time2[3]==1)
- {
- time2[2]=0;
- time2[3]=0;
- }
- while(P1_7==0);
- }
- if(P1_5==0)
- {delay(10);
- if(P1_5==0)
- {
- time2[3]--;
- if(time2[3]==0&&time2[2]==0)
- {
- time2[2]=6;
- time2[3]=0;
- }
- if(time2[3]==0-1)
- {time2[2]--;
- time2[3]=9;}
- while(P1_5==0);}
- }
- if(P1_6==0)
- break;
- }
- }
- void display3()
- {
- while(1)
- {
- WriteAddress(0x00);
- WriteData('2');//显示秒的十位
- delay(1);
- WriteAddress(0x01);
- WriteData('0');//显示秒的十位
- delay(1);
- WriteAddress(0x02);
- WriteData(dispcode[date1[0]]);//显示年的十位
- delay(1);
- WriteAddress(0x03);
- WriteData(dispcode[date1[1]]);//显示年的个位
- delay(1);
- WriteAddress(0x04);
- WriteData('-');
- delay(1);
- WriteAddress(0x05);
- WriteData(dispcode[date1[2]]);//显示月的十位
- delay(1);
- WriteAddress(0x06);
- WriteData(dispcode[date1[3]]);//显示月的个位
- delay(1);
- WriteAddress(0x07);
- WriteData('-');
- delay(1);
- WriteAddress(0x08);
- WriteData(dispcode[date1[4]]); //显示日的十位
- delay(1);
- WriteAddress(0x09);
- WriteData(dispcode[date1[5]]); //显示日的个位
- delay(1);
- WriteAddress(0x47);
- WriteData(dispcode[10]);//显示秒的十位
- delay(1);
- WriteAddress(0x46);
- WriteData(dispcode[10]); //显示秒的个位
- delay(1);
- WriteAddress(0x45);
- WriteData(dispcode[10]); //显示"-"
- delay(1);
- WriteAddress(0x44);
- WriteData(dispcode[10]);//显示分的十位
- delay(1);
- WriteAddress(0x43);
- WriteData(dispcode[10]); //显示分的个位
- delay(1);
- WriteAddress(0x42);
- WriteData(dispcode[10]); //显示"-"
- delay(1);
- WriteAddress(0x40);
- WriteData(dispcode[time3[0]]); //显示时的十位
- delay(1);
- WriteAddress(0x41);
- WriteData(dispcode[time3[1]]); //显示时的个位
- delay(1);
- if(P1_7==0)
- delay(10);
- if(P1_7==0)
- {
- time3[1]++;
- if(time3[1]==10)
- {
- time3[1]=0;
- time3[0]++;
- }
- if(time3[0]==2&&time3[1]==4)
- {
- time3[0]=0;
- time3[1]=0;
- }
- while(P1_7==0);
- }
- if(P1_5==0)
- {delay(10);
- if(P1_5==0)
- {
- time3[1]--;
- if(time3[1]==0&&time3[0]==0)
- {
- time3[0]=2;
- time3[1]=4;
- }
- if(time3[1]==0-1)
- {
- time3[0]--;
- time3[1]=9;
- }
- while(P1_5==0);
- }
- }
- if(P1_6==0)
- break;
- }
- }
- void display4()
- {
- while(1)
- {
- WriteAddress(0x00);
- WriteData('2');//显示秒的十位
- delay(1);
- WriteAddress(0x01);
- WriteData('0');//显示秒的十位
- delay(1);
- WriteAddress(0x02);
- WriteData(dispcode[date1[0]]);//显示秒的十位
- delay(1);
- WriteAddress(0x03);
- WriteData(dispcode[date1[1]]);//显示秒的十位
- delay(1);
- WriteAddress(0x04);
- WriteData('-');//显示秒的十位
- delay(1);
- WriteAddress(0x05);
- WriteData(dispcode[date1[2]]);//显示秒的十位
- delay(1);
- WriteAddress(0x26);
- WriteData(dispcode[date1[3]]);//显示秒的十位
- delay(1);
- WriteAddress(0x07);
- WriteData('-');//显示秒的十位
- delay(1);
- WriteAddress(0x08);
- WriteData(dispcode[date1[4]]);//显示秒的十位
- delay(1);
- WriteAddress(0x09);
- WriteData(dispcode[date1[5]]);//显示秒的十位
- delay(1);
- WriteAddress(0x40);
- WriteData(dispcode[10]);//显示秒的十位
- delay(1);
- WriteAddress(0x41);
- WriteData(dispcode[10]); //显示秒的个位
- delay(1);
- WriteAddress(0x42);
- WriteData(dispcode[10]); //显示"-"
- delay(1);
- WriteAddress(0x43);
- WriteData(dispcode[time3[2]]);//显示分的十位
- delay(1);
- WriteAddress(0x44);
- WriteData(dispcode[time3[3]]); //显示分的个位
- delay(1);
- WriteAddress(0x45);
- WriteData(dispcode[10]); //显示"-"
- delay(1);
- WriteAddress(0x46);
- WriteData(dispcode[10]); //显示时的十位
- delay(1);
- WriteAddress(0x47);
- WriteData(dispcode[10]); //显示时的个位
- delay(1);
- if(P1_7==0)
- delay(10);
- if(P1_7==0)
- {
- time3[3]++;
- if(time3[3]==10)
- {
- time3[3]=0;
- time3[2]++;
- }
- if(time3[2]==6&&time3[3]==1)
- {
- time3[2]=0;
- time3[3]=0;
- }
- while(P1_7==0);
- }
- if(P1_5==0)
- {delay(10);
- if(P1_5==0)
- {
- time3[3]--;
- if(time3[3]==0&&time3[2]==0)
- {
- time3[2]=6;
- time3[3]=0;
- }
- if(time3[3]==0-1)
- {time3[2]--;
- time3[3]=9;}
- while(P1_5==0);}
- }
- if(P1_6==0)
- break;
- }
- }
- void display5()
- {
- while(1)
- {
- WriteAddress(0x00);
- WriteData('2');//显示秒的十位
- delay(1);
- WriteAddress(0x01);
- WriteData('0');//显示秒的十位
- delay(1);
- WriteAddress(0x02);
- WriteData(dispcode[date1[0]]);//显示年的十位
- delay(1);
- WriteAddress(0x03);
- WriteData(dispcode[date1[1]]);//显示年的个位
- delay(1);
- WriteAddress(0x04);
- WriteData('-');
- delay(1);
- WriteAddress(0x05);
- WriteData(dispcode[date1[2]]);//显示月的十位
- delay(1);
- WriteAddress(0x06);
- WriteData(dispcode[date1[3]]);//显示月的个位
- delay(1);
- WriteAddress(0x07);
- WriteData('-');
- delay(1);
- WriteAddress(0x08);
- WriteData(dispcode[date1[4]]); //显示日的十位
- delay(1);
- WriteAddress(0x09);
- WriteData(dispcode[date1[5]]); //显示日的个位
- delay(1);
- WriteAddress(0x47);
- WriteData(dispcode[10]);//显示秒的十位
- delay(1);
- WriteAddress(0x46);
- WriteData(dispcode[10]); //显示秒的个位
- delay(1);
- WriteAddress(0x45);
- WriteData(dispcode[10]); //显示"-"
- delay(1);
- WriteAddress(0x44);
- WriteData(dispcode[10]);//显示分的十位
- delay(1);
- WriteAddress(0x43);
- WriteData(dispcode[10]); //显示分的个位
- delay(1);
- WriteAddress(0x42);
- WriteData(dispcode[10]); //显示"-"
- delay(1);
- WriteAddress(0x40);
- WriteData(dispcode[time4[0]]); //显示时的十位
- delay(1);
- WriteAddress(0x41);
- WriteData(dispcode[time4[1]]); //显示时的个位
- delay(1);
- if(P1_7==0)
- delay(15);
- if(P1_7==0)
- {
- time4[1]++;
- if(time4[1]==10)
- {
- time4[1]=0;
- time4[0]++;
- if(time4[0]==6)
- {
- time4[1]=0;
- time4[0]=0;
- }
- }
- if(time4[0]==2&&time4[1]==4)
- {
- time4[0]=0;
- time4[1]=0;
- }
- while(P1_7==0);
- }
- if(P1_5==0)
- {delay(15);
- if(P1_5==0)
- {
- time4[1]--;
- if(time4[1]==0&&time4[0]==0)
- {
- time4[0]=2;
- time4[1]=4;
- }
- if(time4[1]==0-1)
- {
- time4[0]--;
- time4[1]=9;
- }
- while(P1_5==0);
- }
- }
- if(P1_6==0)
- break;
- }
- }
- void display6()
- {
- while(1)
- {
- WriteAddress(0x00);
- WriteData('2');//显示秒的十位
- delay(1);
- WriteAddress(0x01);
- WriteData('0');//显示秒的十位
- delay(1);
- WriteAddress(0x02);
- WriteData(dispcode[date1[0]]);//显示秒的十位
- delay(1);
- WriteAddress(0x03);
- WriteData(dispcode[date1[1]]);//显示秒的十位
- delay(1);
- WriteAddress(0x04);
- WriteData('-');//显示秒的十位
- delay(1);
- WriteAddress(0x05);
- WriteData(dispcode[date1[2]]);//显示秒的十位
- delay(1);
- WriteAddress(0x26);
- WriteData(dispcode[date1[3]]);//显示秒的十位
- delay(1);
- WriteAddress(0x07);
- WriteData('-');//显示秒的十位
- delay(1);
- WriteAddress(0x08);
- WriteData(dispcode[date1[4]]);//显示秒的十位
- delay(1);
- WriteAddress(0x09);
- WriteData(dispcode[date1[5]]);//显示秒的十位
- delay(1);
- WriteAddress(0x40);
- WriteData(dispcode[10]);//显示秒的十位
- delay(1);
- WriteAddress(0x41);
- WriteData(dispcode[10]); //显示秒的个位
- delay(1);
- WriteAddress(0x42);
- WriteData(dispcode[10]); //显示"-"
- delay(1);
- WriteAddress(0x43);
- WriteData(dispcode[time4[2]]);//显示分的十位
- delay(1);
- WriteAddress(0x44);
- WriteData(dispcode[time4[3]]); //显示分的个位
- delay(1);
- WriteAddress(0x45);
- WriteData(dispcode[10]); //显示"-"
- delay(1);
- WriteAddress(0x46);
- WriteData(dispcode[10]); //显示时的十位
- delay(1);
- WriteAddress(0x47);
- WriteData(dispcode[10]); //显示时的个位
- delay(1);
- if(P1_7==0)
- delay(15);
- if(P1_7==0)
- {
- time4[3]++;
- if(time4[3]==10)
- {
- time4[3]=0;
- time4[2]++;
- }
- if(time4[2]==6&&time4[3]==1)
- {
- time4[2]=0;
- time4[3]=0;
- }
- while(P1_7==0);
- }
- if(P1_5==0)
- {delay(15);
- if(P1_5==0)
- {
- time4[3]--;
- if(time4[3]==0&&time4[2]==0)
- {
- time4[2]=6;
- time4[3]=0;
- }
- if(time4[3]==0-1)
- {time4[2]--;
- time4[3]=9;}
- while(P1_5==0);}
- }
- if(P1_6==0)
- break;
- }
- }
- void main()
- {
- unsigned char flag;
- Initial_DS1302();
- LcdInt();
- display_dot(); //显示温度的小数点
- display_cent(); //显示温度的单位
- DS1302_GetTime(&time1); //读取时间参数
- time0[5]=(time1.Second)%10; //把秒的个位数据存入time[5]
- time0[4]=(time1.Second)/10; //把秒的十位数据存入time[4]
- time0[3]=(time1.Minute)%10; //把分的个位数据存入time[3]
- time0[2]=(time1.Minute)/10; //把分的十位数据存入time[2]
- time0[1]=(time1.Hour)%10; //把时的个位数据存入time[1]
- time0[0]=(time1.Hour)/10; //把时的十位数据存入time[0]
- time2[5]=time0[5]-1; time2[4]=time0[4]; time2[3]=time0[3];
- time2[2]=time0[2]; time2[1]=time0[1]; time2[0]=time0[0];
- time3[5]=time0[5]-1; time3[4]=time0[4]; time3[3]=time0[3];
- time3[2]=time0[2]; time3[1]=time0[1]; time3[0]=time0[0];
- time4[5]=time0[5]-1; time4[4]=time0[4]; time4[3]=time0[3];
- time4[2]=time0[2]; time4[1]=time0[1]; time4[0]=time0[0];
- while(1)
- {
- flag1=0;
- ReadyReadTemp(); //读温度准备
- TL=ReadOneChar(); //先读的是温度值低位
- TH=ReadOneChar(); //接着读的是温度值高位
- if((TH&0xf8)!=0x00)//判断高五位 得到温度正负标志
- {
- flag=1;
- TL=~TL; //取反
- TH=~TH; //取反
- tltemp=TL+1; //低位加1
- TL=tltemp;
- if(tltemp>255) TH++; //如果低8位大于255,向高8位进1
- TN=TH*16+TL/16; //实际温度值=(TH*256+TL)/16,即:TH*16+TL/16
- //这样得出的是温度的整数部分,小数部分被丢弃了
- TD=(TL%16)*10/16; //计算温度的小数部分,将余数乘以10再除以16取整,
- }
- TN=TH*16+TL/16; //实际温度值=(TH*256+TL)/16,即:TH*16+TL/16
- //这样得出的是温度的整数部分,小数部分被丢弃了
- TD=(TL%16)*10/16; //计算温度的小数部分,将余数乘以10再除以16取整,
- //这样得到的是温度小数部分的第一位数字(保留1位小数)
- display_temp1(TN); //显示温度的整数部分
- display_temp2(TD); //显示温度的小数部分
- delay(10);
- DS1302_GetTime(&time1); //读取时间参数
- time0[5]=(time1.Second)%10; //把秒的个位数据存入time[5]
- time0[4]=(time1.Second)/10; //把秒的十位数据存入time[4]
- time0[3]=(time1.Minute)%10; //把分的个位数据存入time[3]
- time0[2]=(time1.Minute)/10; //把分的十位数据存入time[2]
- time0[1]=(time1.Hour)%10; //把时的个位数据存入time[1]
- time0[0]=(time1.Hour)/10; //把时的十位数据存入time[0]
- date[5]=(time1.Day)%10;
- date[4]=(time1.Day)/10;
- date[3]=(time1.Month)%10;
- date[2]=(time1.Month)/10;
- date[1]=(time1.Year)%10;
- date[0]=(time1.Year)/10;
- date1[5]=date[5]; date1[4]=date[4]; date1[3]=date[3];
- date1[2]=date[2]; date1[1]=date[1]; date1[0]=date[0];
-
- ……………………
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