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最近刚学51单片机,自己做的,还有仿真图,
- #include<reg52.h>
- #include "ds1302.h"
- #include "main.h"
- bit readtime_f; //定义读时间标志
- bit key_f = 0;
- bit readtemp_f = 0;key_fun_f = 0;
- sbit ADJTIME = P1^3; //校准时间
- sbit SETALARM = P1^4; //设置闹钟
- unsigned char key_value,key_select,key_fun = 0;
- unsigned int key_count = 0;
- SYSTEMTIME timer,timer1;
- void timer0_init() //T0初始化
- {
- TMOD = 0x01; //使用模式1,16位定时器
- TH0 = 0X3C;
- TL0 = 0XB0;
- EA = 1; //总中断打开
- ET0 = 1; //定时器中断打开
- TR0 = 1; //定时器开关打开
- }
- void timer0_isr() interrupt 1
- {
- static unsigned char counter = 0,counter1 = 0;
- TH0 = 0X3C;
- TL0 = 0XB0;
- counter ++;
- key_f = 1;
- if(counter ==10) //500ms
- {
- counter = 0;
- readtime_f = 1; //读时间标志位置1
- counter1 ++;
- if(counter1 ==2) //5s读一次温度值
- {
- counter1 = 0;
- readtemp_f = 1; //读温度标志位置1
- }
- }
- }
- void main()
- {
- unsigned char readtemp;
- lcd_initial();
- timer0_init();
- ds1302_init();
- while(1) //主循环
- {
- if(readtemp_f&&!key_fun_f)//读取温度
- {
- readtemp_f = 0;
- readtemp = read_temperature();
- LCD_Write_Char(13,1,readtemp/10+'0'); //显示温度值
- LCD_Write_Char(14,1,readtemp%10+'0');
- }
- if(readtime_f&&!key_fun_f)
- {
- readtime_f = 0;
- Ds1302_Read_Time(&timer);
- timer_alarm(&timer,&timer1);
- LCD_Write_Char(3,1,timer.Hour/10 + '0');
- LCD_Write_Char(4,1,timer.Hour%10 + '0');
- LCD_Write_Char(6,1,timer.Minute/10 + '0');//显示秒
- LCD_Write_Char(7,1,timer.Minute%10 + '0');
- LCD_Write_Char(9,1,timer.Second/10 + '0');//显示秒
- LCD_Write_Char(10,1,timer.Second%10 + '0');
- LCD_Write_Char(3,0,timer.Year/10 + '0'); //显示年
- LCD_Write_Char(4,0,timer.Year%10 + '0');
- LCD_Write_Char(6,0,timer.Month/10 + '0'); //显示月
- LCD_Write_Char(7,0,timer.Month%10 + '0');
- LCD_Write_Char(9,0,timer.Day/10+ '0'); //显示日
- LCD_Write_Char(10,0,timer.Day%10 + '0');
- LCD_Write_Char(14,0,timer.Week%10 + '0'); //显示周
- }
- if(key_f)
- {
- key_f = 0;
- key_value = key();
-
- /****************************加值键**************************************/
- if(key_value==0x01)
- {
- if(key_select==0x01)//修改年
- {
- timer.Year ++;
- if(timer.Year==100)
- timer.Year = 0;
- LCD_Write_Char(4,0,timer.Year%10 + '0');
- LCD_Write_Char(3,0,timer.Year/10 + '0');
- }
- else if(key_select==0x02)//修改月
- {
- timer.Month ++;
- if(timer.Month==13)
- timer.Month = 1;
- LCD_Write_Char(7,0,timer.Month % 10 + '0');
- LCD_Write_Char(6,0,timer.Month / 10 + '0');
- }
- else if(key_select==0x03)//修改日
- {
- timer.Day ++;
- if(timer.Day==32)
- timer.Day = 1;
- LCD_Write_Char(10,0,timer.Day % 10 + '0');
- LCD_Write_Char(9,0,timer.Day / 10 + '0');
-
- }
- else if(key_select==0x04)//修改星期
- {
- timer.Week ++;
- if(timer.Week==8)
- timer.Week = 1;
- LCD_Write_Char(14,0,timer.Week % 10 + '0');
- LCD_Write_Char(13,0,':');
-
- }
- else if(key_select==0x05)//修改时
- {
- timer.Hour ++;
- if(timer.Hour==24)
- timer.Hour = 0;
- LCD_Write_Char(4,1,timer.Hour % 10 + '0');
- LCD_Write_Char(3,1,timer.Hour / 10 + '0');
-
- }
- else if(key_select==0x06)//修改分
- {
- timer.Minute ++;
- if(timer.Minute==60)
- timer.Minute = 0;
- LCD_Write_Char(7,1,timer.Minute % 10 + '0');
- LCD_Write_Char(6,1,timer.Minute / 10 + '0');
-
- }
- else if(key_select==0x07)//修改秒
- {
- timer.Second ++;
- if(timer.Second==60)
- timer.Second = 0;
- LCD_Write_Char(10,1,timer.Second % 10 + '0');
- LCD_Write_Char(9,1,timer.Second / 10 + '0');
- }
- }
- /***************************选择键********************************************/
- else if(key_value == 0x02)
- {
- key_select ++;
- if(key_select>0x07)
- {
- key_select = 0x00;
- WRDcomm(0x0c);
- }
-
- else
- {
- WRDcomm(0x0d);
- switch(key_select)
- {
- case 0x01:LCD_Write_Char(3,0,timer.Year/10 + '0');break;
- case 0x02:LCD_Write_Char(6,0,timer.Month/10 + '0');break;
- case 0x03:LCD_Write_Char(9,0,timer.Day/10 + '0');break;
- case 0x04:LCD_Write_Char(13,0,':');break;
- case 0x05:LCD_Write_Char(3,1,timer.Hour/10 + '0');break;
- case 0x06:LCD_Write_Char(6,1,timer.Minute/10 + '0');break;
- case 0x07:LCD_Write_Char(9,1,timer.Second/10 + '0');break;
- default:break;
- }
- }
- }
- /******************************减值键******************************************/
- else if(key_value==0x04)
- {
- if(key_select==0x01)//修改年
- {
- timer.Year --;
- if(timer.Year==-1)
- timer.Year = 99;
- LCD_Write_Char(4,0,timer.Year%10 + '0');
- LCD_Write_Char(3,0,timer.Year/10 + '0');
- }
- else if(key_select==0x02)//修改月
- {
- timer.Month --;
- if(timer.Month==0)
- timer.Month = 12;
- LCD_Write_Char(7,0,timer.Month % 10 + '0');
- LCD_Write_Char(6,0,timer.Month / 10 + '0');
- }
- else if(key_select==0x03)//修改日
- {
- timer.Day --;
- if(timer.Day==0)
- timer.Day = 31;
- LCD_Write_Char(10,0,timer.Day % 10 + '0');
- LCD_Write_Char(9,0,timer.Day / 10 + '0');
-
- }
- else if(key_select==0x04)//修改星期
- {
- timer.Week --;
- if(timer.Week==0)
- timer.Week = 7;
- LCD_Write_Char(14,0,timer.Week % 10 + '0');
- LCD_Write_Char(13,0,':');
-
- }
- else if(key_select==0x05)//修改时
- {
- timer.Hour --;
- if(timer.Hour==-1)
- timer.Hour = 23;
- LCD_Write_Char(4,1,timer.Hour % 10 + '0');
- LCD_Write_Char(3,1,timer.Hour / 10 + '0');
-
- }
- else if(key_select==0x06)//修改分
- {
- timer.Minute --;
- if(timer.Minute==-1)
- timer.Minute = 59;
- LCD_Write_Char(7,1,timer.Minute % 10 + '0');
- LCD_Write_Char(6,1,timer.Minute / 10 + '0');
-
- }
- else if(key_select==0x07)//修改秒
- {
- timer.Second --;
- if(timer.Second==-1)
- timer.Second = 59;
- LCD_Write_Char(10,1,timer.Second % 10 + '0');
- LCD_Write_Char(9,1,timer.Second / 10 + '0');
- }
- }
- /******************************功能键***************************************/
- else if(key_value == 0x08)
- {
- key_fun ++ ;
- if(key_fun == 0x01)
- {
- ADJTIME = 0;
- key_fun_f = 1;
- }
- else if(key_fun == 0x02)
- {
- ADJTIME = 1;
- key_fun_f = 0;
- WRDcomm(0x0c);
- key_select = 0x00;
- Ds1302_Write_Time(ds1302_sec_add,timer.Second);
- Ds1302_Write_Time(ds1302_min_add,timer.Minute);
- Ds1302_Write_Time(ds1302_hr_add,timer.Hour);
- Ds1302_Write_Time(ds1302_day_add,timer.Week);
- Ds1302_Write_Time(ds1302_date_add,timer.Day);
- Ds1302_Write_Time(ds1302_month_add,timer.Month);
- Ds1302_Write_Time(ds1302_year_add,timer.Year);
- }
- else if(key_fun == 0x03)
- {
- SETALARM = 0;
- key_fun_f = 1;
- }
- else if(key_fun == 0x04)
- {
- SETALARM = 1; //关闭设置闹钟指示
- key_fun_f = 0; //清键盘功能标志位
- key_fun = 0x00;
- WRDcomm(0x0c); //关闭数字闪烁
- timer1.Second = timer.Second;
- timer1.Minute = timer.Minute;
- timer1.Hour = timer.Hour;
- timer1.Week = timer.Week;
- timer1.Day = timer.Day;
- timer1.Month = timer.Month;
- timer1.Year = timer.Year;
- }
- }
-
- }
- }
- }
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