自己边学边把别人的程序改成自己的程序
肯定能做出来,我已经制作出来了
做的时候不会的可以问我
下面有我做好的图片
单片机代码:
- #include <REG51.H>
- #include <intrins.h>
- //#include "LCD1602.h"
- //#include "DS1302.h"
- #define uint unsigned int
- #define uchar unsigned char
- sbit DS1302_CLK = P2^2; //实时时钟时钟线引脚
- sbit DS1302_IO = P2^3; //实时时钟数据线引脚
- sbit DS1302_RST = P2^4; //实时时钟复位线引脚
- sbit wireless_1 = P3^4;
- sbit wireless_2 = P3^5;
- sbit wireless_3 = P3^6;
- sbit wireless_4 = P3^7;
- sbit ACC0 = ACC^0;
- sbit ACC7 = ACC^7;
- char hide_sec,hide_min,hide_hour,hide_day,hide_week,hide_month,hide_year; //秒,分,时到日,月,年位闪的计数
- sbit Set = P3^0; //模式切换键
- sbit Up = P3^2; //加法按钮
- sbit Down = P3^3; //减法按钮
- sbit out = P3^1; //立刻跳出调整模式按钮
- sbit DQ = P2^1; //温度传送数据IO口
- char done,count,temp,flag,up_flag,down_flag;
- uchar temp_value; //温度值
- uchar TempBuffer[5],week_value[2];
- void show_time(); //液晶显示程序
- /***********1602液晶显示部分子程序****************/
- //Port Definitions**********************************************************
- sbit LcdRs = P2^5;
- sbit LcdRw = P2^6;
- sbit LcdEn = P2^7;
- sfr DBPort = 0x80; //P0=0x80,P1=0x90,P2=0xA0,P3=0xB0.数据端口
- //内部等待函数**************************************************************************
- unsigned char LCD_Wait(void)
- {
- LcdRs=0;
- LcdRw=1; _nop_();
- LcdEn=1; _nop_();
-
- LcdEn=0;
- return DBPort;
- }
- //向LCD写入命令或数据************************************************************
- #define LCD_COMMAND 0 // Command
- #define LCD_DATA 1 // Data
- #define LCD_CLEAR_SCREEN 0x01 // 清屏
- #define LCD_HOMING 0x02 // 光标返回原点
- void LCD_Write(bit style, unsigned char input)
- {
- LcdEn=0;
- LcdRs=style;
- LcdRw=0; _nop_();
- DBPort=input; _nop_();//注意顺序
- LcdEn=1; _nop_();//注意顺序
- LcdEn=0; _nop_();
- LCD_Wait();
- }
- //设置显示模式************************************************************
- #define LCD_SHOW 0x04 //显示开
- #define LCD_HIDE 0x00 //显示关
- #define LCD_CURSOR 0x02 //显示光标
- #define LCD_NO_CURSOR 0x00 //无光标
- #define LCD_FLASH 0x01 //光标闪动
- #define LCD_NO_FLASH 0x00 //光标不闪动
- void LCD_SetDisplay(unsigned char DisplayMode)
- {
- LCD_Write(LCD_COMMAND, 0x08|DisplayMode);
- }
- //设置输入模式************************************************************
- #define LCD_AC_UP 0x02
- #define LCD_AC_DOWN 0x00 // default
- #define LCD_MOVE 0x01 // 画面可平移
- #define LCD_NO_MOVE 0x00 //default
- void LCD_SetInput(unsigned char InputMode)
- {
- LCD_Write(LCD_COMMAND, 0x04|InputMode);
- }
- //初始化LCD************************************************************
- void LCD_Initial()
- {
- LcdEn=0;
- LCD_Write(LCD_COMMAND,0x38); //8位数据端口,2行显示,5*7点阵
- LCD_Write(LCD_COMMAND,0x38);
- LCD_SetDisplay(LCD_SHOW|LCD_NO_CURSOR); //开启显示, 无光标
- LCD_Write(LCD_COMMAND,LCD_CLEAR_SCREEN); //清屏
- LCD_SetInput(LCD_AC_UP|LCD_NO_MOVE); //AC递增, 画面不动
- }
- //液晶字符输入的位置************************
- void GotoXY(unsigned char x, unsigned char y)
- {
- if(y==0)
- LCD_Write(LCD_COMMAND,0x80|x);
- if(y==1)
- LCD_Write(LCD_COMMAND,0x80|(x-0x40));
- }
- //将字符输出到液晶显示
- void Print(unsigned char *str)
- {
- while(*str!='\0')
- {
- LCD_Write(LCD_DATA,*str);
- str++;
- }
- }
- /***********DS1302时钟部分子程序******************/
- typedef struct __SYSTEMTIME__
- {
- unsigned char Second;
- unsigned char Minute;
- unsigned char Hour;
- unsigned char Week;
- unsigned char Day;
- unsigned char Month;
- unsigned char Year;
- unsigned char DateString[11];
- unsigned char TimeString[9];
- }SYSTEMTIME; //定义的时间类型
- SYSTEMTIME CurrentTime;
- #define AM(X) X
- #define PM(X) (X+12) // 转成24小时制
- #define DS1302_SECOND 0x80 //时钟芯片的寄存器位置,存放时间
- #define DS1302_MINUTE 0x82
- #define DS1302_HOUR 0x84
- #define DS1302_WEEK 0x8A
- #define DS1302_DAY 0x86
- #define DS1302_MONTH 0x88
- #define DS1302_YEAR 0x8C
- void DS1302InputByte(unsigned char d) //实时时钟写入一字节(内部函数)
- {
- unsigned char i;
- ACC = d;
- for(i=8; i>0; i--)
- {
- DS1302_IO = ACC0; //相当于汇编中的 RRC
- DS1302_CLK = 1;
- DS1302_CLK = 0;
- ACC = ACC >> 1;
- }
- }
- unsigned char DS1302OutputByte(void) //实时时钟读取一字节(内部函数)
- {
- unsigned char i;
- for(i=8; i>0; i--)
- {
- ACC = ACC >>1; //相当于汇编中的 RRC
- ACC7 = DS1302_IO;
- DS1302_CLK = 1;
- DS1302_CLK = 0;
- }
- return(ACC);
- }
- void Write1302(unsigned char ucAddr, unsigned char ucDa) //ucAddr: DS1302地址, ucData: 要写的数据
- {
- DS1302_RST = 0;
- DS1302_CLK = 0;
- DS1302_RST = 1;
- DS1302InputByte(ucAddr); // 地址,命令
- DS1302InputByte(ucDa); // 写1Byte数据
- DS1302_CLK = 1;
- DS1302_RST = 0;
- }
- unsigned char Read1302(unsigned char ucAddr) //读取DS1302某地址的数据
- {
- unsigned char ucData;
- DS1302_RST = 0;
- DS1302_CLK = 0;
- DS1302_RST = 1;
- DS1302InputByte(ucAddr|0x01); // 地址,命令
- ucData = DS1302OutputByte(); // 读1Byte数据
- DS1302_CLK = 1;
- DS1302_RST = 0;
- return(ucData);
- }
- void DS1302_GetTime(SYSTEMTIME *Time) //获取时钟芯片的时钟数据到自定义的结构型数组
- {
- unsigned char ReadValue;
- ReadValue = Read1302(DS1302_SECOND);
- Time->Second = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
- ReadValue = Read1302(DS1302_MINUTE);
- Time->Minute = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
- ReadValue = Read1302(DS1302_HOUR);
- Time->Hour = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
- ReadValue = Read1302(DS1302_DAY);
- Time->Day = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
- ReadValue = Read1302(DS1302_WEEK);
- Time->Week = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
- ReadValue = Read1302(DS1302_MONTH);
- Time->Month = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
- ReadValue = Read1302(DS1302_YEAR);
- Time->Year = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
- }
- void DateToStr(SYSTEMTIME *Time) //将时间年,月,日,星期数据转换成液晶显示字符串,放到数组里DateString[]
- { if(hide_year<2) //这里的if,else语句都是判断位闪烁,<2显示数据,>2就不显示,输出字符串为 2007/07/22
- {
- Time->DateString[0] = '2';
- Time->DateString[1] = '0';
- Time->DateString[2] = Time->Year/10 + '0';
- Time->DateString[3] = Time->Year%10 + '0';
- }
- else
- {
- Time->DateString[0] = ' ';
- Time->DateString[1] = ' ';
- Time->DateString[2] = ' ';
- Time->DateString[3] = ' ';
- }
- Time->DateString[4] = '/';
- if(hide_month<2)
- {
- Time->DateString[5] = Time->Month/10 + '0';
- Time->DateString[6] = Time->Month%10 + '0';
- }
- else
- {
- Time->DateString[5] = ' ';
- Time->DateString[6] = ' ';
- }
- Time->DateString[7] = '/';
- if(hide_day<2)
- {
- Time->DateString[8] = Time->Day/10 + '0';
- Time->DateString[9] = Time->Day%10 + '0';
- }
- else
- {
- Time->DateString[8] = ' ';
- Time->DateString[9] = ' ';
- }
- if(hide_week<2)
- {
- week_value[0] = Time->Week%10 + '0'; //星期的数据另外放到 week_value[]数组里,跟年,月,日的分开存放,因为等一下要在最后显示
- }
- else
- {
- week_value[0] = ' ';
- }
- week_value[1] = '\0';
- Time->DateString[10] = '\0'; //字符串末尾加 '\0' ,判断结束字符
- }
- void TimeToStr(SYSTEMTIME *Time) //将时,分,秒数据转换成液晶显示字符放到数组 TimeString[];
- { if(hide_hour<2)
- {
- Time->TimeString[0] = Time->Hour/10 + '0';
- Time->TimeString[1] = Time->Hour%10 + '0';
- }
- else
- {
- Time->TimeString[0] = ' ';
- Time->TimeString[1] = ' ';
- }
- Time->TimeString[2] = ':';
- if(hide_min<2)
- {
- Time->TimeString[3] = Time->Minute/10 + '0';
- Time->TimeString[4] = Time->Minute%10 + '0';
- }
- else
- {
- Time->TimeString[3] = ' ';
- Time->TimeString[4] = ' ';
- }
- Time->TimeString[5] = ':';
- if(hide_sec<2)
- {
- Time->TimeString[6] = Time->Second/10 + '0';
- Time->TimeString[7] = Time->Second%10 + '0';
- }
- else
- {
- Time->TimeString[6] = ' ';
- Time->TimeString[7] = ' ';
- }
- Time->DateString[8] = '\0';
- }
- void Initial_DS1302(void) //时钟芯片初始化
- {
- unsigned char Second=Read1302(DS1302_SECOND);
- if(Second&0x80) //判断时钟芯片是否关闭
- {
- Write1302(0x8e,0x00); //写入允许
- Write1302(0x8c,0x07); //以下写入初始化时间 日期:07/07/25.星期: 3. 时间: 23:59:55
- Write1302(0x88,0x07);
- Write1302(0x86,0x25);
- Write1302(0x8a,0x07);
- Write1302(0x84,0x23);
- Write1302(0x82,0x59);
- Write1302(0x80,0x55);
- Write1302(0x8e,0x80); //禁止写入
- }
- }
- /***********ds18b20子程序*************************/
- /***********ds18b20延迟子函数(晶振12MHz )*******/
- void delay_18B20(unsigned int i)
- {
- while(i--);
- }
- /**********ds18b20初始化函数**********************/
- void Init_DS18B20(void)
- {
- unsigned char x=0;
- DQ = 1; //DQ复位
- delay_18B20(8); //稍做延时
- DQ = 0; //单片机将DQ拉低
- delay_18B20(80); //精确延时 大于 480us
- DQ = 1; //拉高总线
- delay_18B20(14);
- x=DQ; //稍做延时后 如果x=0则初始化成功 x=1则初始化失败
- delay_18B20(20);
- }
- /***********ds18b20读一个字节**************/
- unsigned char ReadOneChar(void)
- {
- uchar i=0;
- uchar dat = 0;
- for (i=8;i>0;i--)
- {
- DQ = 0; // 给脉冲信号
- dat>>=1;
- DQ = 1; // 给脉冲信号
- if(DQ)
- dat|=0x80;
- delay_18B20(4);
- }
- return(dat);
- }
- /*************ds18b20写一个字节****************/
- void WriteOneChar(uchar dat)
- {
- unsigned char i=0;
- for (i=8; i>0; i--)
- {
- DQ = 0;
- DQ = dat&0x01;
- delay_18B20(5);
- DQ = 1;
- dat>>=1;
- }
- }
- /**************读取ds18b20当前温度************/
- void ReadTemp(void)
- {
- unsigned char a=0;
- unsigned char b=0;
- unsigned char t=0;
- Init_DS18B20();
- WriteOneChar(0xCC); // 跳过读序号列号的操作
- WriteOneChar(0x44); // 启动温度转换
- delay_18B20(100); // this message is wery important
- Init_DS18B20();
- WriteOneChar(0xCC); //跳过读序号列号的操作
- WriteOneChar(0xBE); //读取温度寄存器等(共可读9个寄存器) 前两个就是温度
- delay_18B20(100);
- a=ReadOneChar(); //读取温度值低位
- b=ReadOneChar(); //读取温度值高位
- temp_value=b<<4;
- temp_value+=(a&0xf0)>>4;
- }
- void temp_to_str() //温度数据转换成液晶字符显示
- {
- TempBuffer[0]=temp_value/10+'0'; //十位
- TempBuffer[1]=temp_value%10+'0'; //个位
- TempBuffer[2]=0xdf; //温度符号
- TempBuffer[3]='C';
- TempBuffer[4]='\0';
- }
- void Delay1ms(unsigned int count)
- {
- unsigned int i,j;
- for(i=0;i<count;i++)
- for(j=0;j<120;j++);
- }
- /*延时子程序*/
- void mdelay(uint delay)
- { uint i;
- for(;delay>0;delay--)
- {for(i=0;i<62;i++) //1ms延时.
- {;}
- }
- }
- void outkey() //跳出调整模式,返回默认显示
- { uchar Second;
- if(out==0||wireless_1==1)
- { mdelay(8);
- count=0;
- hide_sec=0,hide_min=0,hide_hour=0,hide_day=0,hide_week=0,hide_month=0,hide_year=0;
- Second=Read1302(DS1302_SECOND);
- Write1302(0x8e,0x00); //写入允许
- Write1302(0x80,Second&0x7f);
- Write1302(0x8E,0x80); //禁止写入
- done=0;
- while(out==0);
- while(wireless_1==1);
- }
- }
- ////////////////////////////////////////////////////////////////////////////////////////////////////////////
- void Upkey()//升序按键
- {
- Up=1;
- if(Up==0||wireless_2==1)
- {
- mdelay(8);
- switch(count)
- {case 1:
- temp=Read1302(DS1302_SECOND); //读取秒数
- temp=temp+1; //秒数加1
- up_flag=1; //数据调整后更新标志
- if((temp&0x7f)>0x59) //超过59秒,清零
- temp=0;
- break;
- case 2:
- temp=Read1302(DS1302_MINUTE); //读取分数
- temp=temp+1; //分数加1
- up_flag=1;
- if(temp>0x59) //超过59分,清零
- temp=0;
- break;
- case 3:
- temp=Read1302(DS1302_HOUR); //读取小时数
- temp=temp+1; //小时数加1
- up_flag=1;
- if(temp>0x23) //超过23小时,清零
- temp=0;
- break;
- case 4:
- temp=Read1302(DS1302_WEEK); //读取星期数
- temp=temp+1; //星期数加1
- up_flag=1;
- if(temp>0x7)
- temp=1;
- break;
- case 5:
- temp=Read1302(DS1302_DAY); //读取日数
- temp=temp+1; //日数加1
- up_flag=1;
- if(temp>0x31)
- temp=1;
- break;
- case 6:
- temp=Read1302(DS1302_MONTH); //读取月数
- temp=temp+1; //月数加1
- up_flag=1;
- if(temp>0x12)
- temp=1;
- break;
- case 7:
- temp=Read1302(DS1302_YEAR); //读取年数
- temp=temp+1; //年数加1
- up_flag=1;
- if(temp>0x85)
- temp=0;
- break;
- default:break;
- }
-
- while(Up==0);
- while(wireless_2==1);
- }
- }
- ////////////////////////////////////////////////////////////////////////////////////////////////////////////
- void Downkey()//降序按键
- {
- Down=1;
- if(Down==0||wireless_3==1)
- {
- mdelay(8);
- switch(count)
- {case 1:
- temp=Read1302(DS1302_SECOND); //读取秒数
- temp=temp-1; //秒数减1
- down_flag=1; //数据调整后更新标志
- if(temp==0x7f) //小于0秒,返回59秒
- temp=0x59;
- break;
- case 2:
- temp=Read1302(DS1302_MINUTE); //读取分数
- temp=temp-1; //分数减1
- down_flag=1;
- if(temp==-1)
- temp=0x59; //小于0秒,返回59秒
- break;
- case 3:
- temp=Read1302(DS1302_HOUR); //读取小时数
- temp=temp-1; //小时数减1
- down_flag=1;
- if(temp==-1)
- temp=0x23;
- break;
- case 4:
- temp=Read1302(DS1302_WEEK); //读取星期数
- temp=temp-1; //星期数减1
- down_flag=1;
- if(temp==0)
- temp=0x7;;
- break;
- case 5:
- temp=Read1302(DS1302_DAY); //读取日数
- temp=temp-1; //日数减1
- down_flag=1;
- if(temp==0)
- temp=31;
- break;
- case 6:
- temp=Read1302(DS1302_MONTH); //读取月数
- temp=temp-1; //月数减1
- down_flag=1;
- if(temp==0)
- temp=12;
- break;
- case 7:
- temp=Read1302(DS1302_YEAR); //读取年数
- temp=temp-1; //年数减1
- down_flag=1;
- if(temp==-1)
- temp=0x85;
- break;
- default:break;
- }
-
- while(Down==0);
- while(wireless_3==1);
- }
- }
- void Setkey()//模式选择按键
- {
- Set=1;
- if(Set==0||wireless_4==1)
- {
- mdelay(8);
- count=count+1; //Setkey按一次,count就加1
- done=1; //进入调整模式
- while(Set==0);
- while(wireless_4==1);
- }
- }
- void keydone()//按键功能执行
- { uchar Second;
- if(flag==0) //关闭时钟,停止计时
- { Write1302(0x8e,0x00); //写入允许
- temp=Read1302(0x80);
- Write1302(0x80,temp|0x80);
- Write1302(0x8e,0x80); //禁止写入
- flag=1;
- }
- Setkey(); //扫描模式切换按键
- switch(count)
- {case 1:do //count=1,调整秒
- {
- outkey(); //扫描跳出按钮
- Upkey(); //扫描加按钮
- Downkey(); //扫描减按钮
- if(up_flag==1||down_flag==1) //数据更新,重新写入新的数据
- {
- Write1302(0x8e,0x00); //写入允许
- Write1302(0x80,temp|0x80); //写入新的秒数
- Write1302(0x8e,0x80); //禁止写入
- up_flag=0;
- down_flag=0;
- }
- hide_sec++; //位闪计数
- if(hide_sec>3)
- hide_sec=0;
- show_time(); //液晶显示数据
- }while(count==2);break;
- case 2:do //count=2,调整分
- {
- hide_sec=0;
- outkey();
- Upkey();
- Downkey();
- if(temp>0x60)
- temp=0;
- if(up_flag==1||down_flag==1)
- {
- Write1302(0x8e,0x00); //写入允许
- Write1302(0x82,temp); //写入新的分数
- Write1302(0x8e,0x80); //禁止写入
- up_flag=0;
- down_flag=0;
- }
- hide_min++;
- if(hide_min>3)
- hide_min=0;
- show_time();
- }while(count==3);break;
- case 3:do //count=3,调整小时
- {
- hide_min=0;
- outkey();
- Upkey();
- Downkey();
- if(up_flag==1||down_flag==1)
- {
- Write1302(0x8e,0x00); //写入允许
- Write1302(0x84,temp); //写入新的小时数
- Write1302(0x8e,0x80); //禁止写入
- up_flag=0;
- down_flag=0;
- }
- hide_hour++;
- if(hide_hour>3)
- hide_hour=0;
- show_time();
- }while(count==4);break;
- case 4:do //count=4,调整星期
- {
- hide_hour=0;
- outkey();
- Upkey();
- Downkey();
- if(up_flag==1||down_flag==1)
- {
- Write1302(0x8e,0x00); //写入允许
- Write1302(0x8a,temp); //写入新的星期数
- Write1302(0x8e,0x80); //禁止写入
- up_flag=0;
- down_flag=0;
- }
- hide_week++;
- if(hide_week>3)
- hide_week=0;
- show_time();
- }while(count==5);break;
- case 5:do //count=5,调整日
- {
- hide_week=0;
- outkey();
- Upkey();
- Downkey();
- if(up_flag==1||down_flag==1)
- {
- Write1302(0x8e,0x00); //写入允许
- Write1302(0x86,temp); //写入新的日数
- Write1302(0x8e,0x80); //禁止写入
- up_flag=0;
- down_flag=0;
- }
- hide_day++;
- if(hide_day>3)
- hide_day=0;
- show_time();
- }while(count==6);break;
- case 6:do //count=6,调整月
- {
- hide_day=0;
- outkey();
- Upkey();
- Downkey();
- if(up_flag==1||down_flag==1)
- {
- Write1302(0x8e,0x00); //写入允许
- Write1302(0x88,temp); //写入新的月数
- Write1302(0x8e,0x80); //禁止写入
- up_flag=0;
- down_flag=0;
- }
- hide_month++;
- if(hide_month>3)
- hide_month=0;
- show_time();
- }while(count==7);break;
- case 7:do //count=7,调整年
- {
- hide_month=0;
- outkey();
- Upkey();
- Downkey();
- if(up_flag==1||down_flag==1)
- {
- Write1302(0x8e,0x00); //写入允许
- Write1302(0x8c,temp); //写入新的年数
- Write1302(0x8e,0x80); //禁止写入
- up_flag=0;
- down_flag=0;
- }
- hide_year++;
- if(hide_year>3)
- hide_year=0;
- show_time();
- }while(count==8);break;
- case 8: count=0;hide_year=0; //count8, 跳出调整模式,返回默认显示状态
- Second=Read1302(DS1302_SECOND);
- Write1302(0x8e,0x00); //写入允许
- Write1302(0x80,Second&0x7f);
- Write1302(0x8E,0x80); //禁止写入
- done=0;
- break; //count=7,开启中断,标志位置0并退出
- default:break;
- }
- }
- void show_time() //液晶显示程序
- {
- DS1302_GetTime(&CurrentTime); //获取时钟芯片的时间数据
- TimeToStr(&CurrentTime); //时间数据转换液晶字符
- DateToStr(&CurrentTime); //日期数据转换液晶字符
- ReadTemp(); //开启温度采集程序
- temp_to_str(); //温度数据转换成液晶字符
- GotoXY(12,1); //液晶字符显示位置
- Print(TempBuffer); //显示温度
- GotoXY(0,1);
- Print(CurrentTime.TimeString); //显示时间
- GotoXY(0,0);
- Print(CurrentTime.DateString); //显示日期
- GotoXY(15,0);
- Print(week_value); //显示星期
- GotoXY(11,0);
- Print("Week"); //在液晶上显示 字母 week
- Delay1ms(400); //扫描延时
- }
- main()
- {
- flag=1; //时钟停止标志
- LCD_Initial(); //液晶初始化
- Init_DS18B20( ) ; //DS18B20初始化
- Initial_DS1302(); //时钟芯片初始化
- up_flag=0;
- down_flag=0;
- done=0; //进入默认液晶显示
- wireless_1=0;
- wireless_2=0;
- wireless_3=0;
- wireless_4=0;
- while(1)
- {
- while(done==1)
- keydone(); //进入调整模式
- while(done==0)
- {
- show_time(); //液晶显示数据
- flag=0;
- Setkey(); //扫描各功能键
- }
- }
- }
复制代码
完整代码下载:
DS1302时钟 DS18B20 1602显示.rar
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