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柔光的暖阳◎ 2022-08-04 13:56 200阅读 0赞

#include <REG52.H>
    #include <intrins.H>
    #include <math.h>
    
    /* 液晶引脚定义 */ //1602
    #define LCD_DB  P0  //P0.0-P0.7   DB0-DB7 
    sbit LCD_RS=P2^0;   //data/command (HL)
    sbit LCD_RW=P2^1;   //read/write(HL)
    sbit LCD_E=P2^2;  	//disenable/enable
    /* 温度传感器引脚定义 */ //DS18B20 
    sbit B20_IO=P1^3;    
    
    /* 时钟芯片引脚定义 */ //DS1302
    sbit DS1302_IO=P1^0;
    sbit DS1302_SCLK=P1^1;
    sbit DS1302_RST_CE=P1^2; //CE
    
    /* 独立按键引脚定义 */
    sbit KeyOne = P3^2;   //功能键
    sbit KeyThree = P3^3; //+
    sbit KeyTwo = P3^4;   //-
    
    sbit KeyFour  = P3^5;
    /* 第0位 第八位 位操作 */
    sbit ACC0=ACC^0;
    sbit ACC7=ACC^7;
    /* 报警指示引脚定义 */
    sbit Red = P3^6;
    sbit Green = P3^7;
    sbit Beep = P1^4;
    
    #if 0
    /* 时钟芯片寄存器定义 */
    #define write_second 0x80
    #define write_minute 0x82
    #define write_hour   0x84
    #define write_day    0x86
    #define write_month  0x88
    #define write_week   0x8a
    #define write_year   0x8c
    #else
    /* 时钟芯片寄存器定义 */
    #define write_second 0x80
    #define read_second  0x81
    
    #define write_minute 0x82
    #define read_minute  0x83
    
    #define write_hour   0x84
    #define read_hour    0x85
    
    #define write_day    0x86
    #define read_day     0x87
    
    #define write_month  0x88
    #define read_month   0x89
    
    #define write_year   0x8c
    #define read_year    0x8d
    
    #define write_week   0x8a
    #define read_week    0x8b
    
    
    #endif
    /* 按键状态 */
    enum KEYSTART
    {
    	KEYDOWN, //0 按下
    	KEYUP
    };
    /* 按键键值 */
    enum KEYCONFIG
    {
    	KEYINIT,
    	KEYYEAR,
    	KEYMONTH,
    	KEYDAY,
    	KEYWEEK,
    	KEYHOUR,
    	KEYMINTH,
    	KEYALARH,
    	KEYALARM
    };
    /* 逻辑变量定义 */
    unsigned char miao=0,shi=0,fen=0,ri=0,yue=0,nian=0,week=0;
    extern unsigned char miao,shi,fen,ri,yue,nian,week;
    unsigned int TempVal=0,AlarmFlag=0;
    unsigned char YearData=0,MonthData=0,DayData=0,WeekData=0,HourData=0,
    	MinuteData=0,AlarmH=0,AlarmM=0;
    
    
    
    /* n*10微妙延时  */
    void delay_n10us(unsigned int n)  
    {       
    	unsigned int i=0;           
    	for(i=n;i>0;i--)    
    	{
    		_nop_();
    		_nop_();
    		_nop_();
    		_nop_();
    		_nop_();
    		_nop_(); 
    	}
    } 
    /* 写命令函数 */
    void LCD_write_command(unsigned char dat)
    {
    	delay_n10us(10);
    	LCD_RS=0;         
    	LCD_RW=0;         
    	LCD_E=1;         
    	LCD_DB=dat;
    	delay_n10us(10);  
    	LCD_E=0;
    	delay_n10us(10);  
    }
    /* 写数据函数 */
    void LCD_write_data(unsigned char dat)
    {
    	delay_n10us(10);
    	LCD_RS=1;          
    	LCD_RW=0;        
    	LCD_E=1;          
    	LCD_DB=dat;
    	delay_n10us(10);
    	LCD_E=0;
    	delay_n10us(10);
    }
    /* 写字符函数 X:0~15 Y:1,2 */
    void LCD_disp_char(const unsigned char x,const unsigned char y,unsigned char dat)
    {
    	unsigned char address=0;
    	if(y==1)
    		address=0x80+x;
    	else
    		address=0xc0+x;
    		//address = 0x80 + 0x40 + x;
    	LCD_write_command(address);
    	LCD_write_data(dat);
    }
    /* 写一串字符 X:0~15 Y:1,2 */
    void LCD_disp_str(const unsigned char x,const unsigned char y,const unsigned char *str)
    {
    	unsigned char address=0;
    	if(y==1)
    		address=0x80+x;
    	else
    		address=0xc0+x;
    	LCD_write_command(address);
    	while(*str!='\0')
    	{ 
    		LCD_write_data(*str);   
    		str++;
    	}
    }
    /* 液晶初始化 */
    void LCD_init(void)	
    {
    	delay_n10us(10);
    	LCD_write_command(0x38);//16x2显示 5X7点阵 8bit数据接口
    	delay_n10us(10);
    	LCD_write_command(0x0c);//开显示，不显示光标 00001100
    	delay_n10us(10);
    	LCD_write_command(0x06);//写最后一个字符后,地址指针自动加1
    	delay_n10us(10);
    	LCD_write_command(0x01);//显示清0,数据指针清0
    	delay_n10us(100);       
    }
    
    /* 温度传感器最小单位延时 */
    /* 延时n x ms */ //1000(1s) 
    void delay_n_ms(unsigned int ms)
    {
    	unsigned int i=0,j=0;
    	for(i=ms;i>0;i--)
    		for(j=110;j>0;j--);
    }
    
    
    /* 
    温度传感器复位操作
    DS18B20 复位, INIT 
    初始化DS18B20
    让DS18B20一段相对长时间低电平, 然后一段相对非常短时间高电平, 即可启动
    一定要使用unsigned int型, 一个i++指令的时间, 作为与DS18B20通信的小时间间隔
    */
    void dsB20_reset(void)       
    {
      unsigned int i=0;
      B20_IO=0;
      i=105;
      while(i>0)
    	i--;
      B20_IO=1;
      i=5;
      while(i>0)
    	i--;
    }
    
    
    
    
    /* 读温度传感器一位数据信息 */
    /* 
    读DS18B20 1bit
    向DS18B20读取一位数据
    读一位, 让DS18B20一小周期低电平, 然后两小周期高电平, 
    之后DS18B20则会输出持续一段时间的一位数据
    */
    
    bit temp_read_bit(void) //temperature         
    {
       unsigned int i=0;
       bit dat=0;
       B20_IO=0;
       i++;          
       B20_IO=1;
       i++;
       i++;
       dat=B20_IO;
       i=8;
       while(i>0)
    	i--;
       return (dat);
    }
    /* 读温度传感器八位数据信息 */
    unsigned char temp_read_byte(void)  
    {
      unsigned char i=0,j=0,dat=0;
      for(i=1;i<=8;i++)
      {
        j=temp_read_bit();   //最先读出的是最低位数据
        dat=(j<<7)|(dat>>1);   
      }
      return(dat);
    }
    
    
    
    /* 写DS18B20 八位数据 */
    void temp_write_byte(unsigned char dat)   
    {
      unsigned int i=0;
      unsigned char j=0;
      bit testb=0;
      for(j=1;j<=8;j++)
      {
        testb=dat&0x01;
        dat=dat>>1;
        if(testb)     //write 1  让低电平持续2个小延时, 高电平持续8个小延时
        {
          B20_IO=0;
          i++;
    	  i++;
          B20_IO=1;
          i=8;
    	  while(i>0)
    		i--;
        }
        else
        {
          B20_IO=0;       //write 0  让低电平持续8个小延时, 高电平持续2个小延时
          i=8;
    	  while(i>0)
    		i--;
          B20_IO=1;
          i++;
    	  i++;
        }
      }
    }
    
    
    
    /* DS18B20开始获取温度并转换 */
    void temp_change(void)  
    {
      dsB20_reset();
      delay_n_ms(1);
      temp_write_byte(0xcc);  //cc 跳过rom
      temp_write_byte(0x44);  //44 转换
    }
    /* 读取温度寄存器转换数据 */
    unsigned int get_temp_value(void)               
    {
      float tt=0;
      unsigned char a=0,b=0;
      unsigned int tempA=0;
      dsB20_reset();
      delay_n_ms(1);
      temp_write_byte(0xcc);
      temp_write_byte(0xbe);//读取数据命令
      a=temp_read_byte();//读低8位
      b=temp_read_byte();//读高8位
    //高低两字节合并为一个整形变量
      tempA=b;
      tempA<<=8;             
      tempA=tempA|a;
      tt=tempA*0.0625;//精确度为0.0625度
      tempA=tt*10+0.5;//乘以10,表示小数点后只取一位, 0.5是进行4舍5入
      return tempA;
    }
    /*
    控制字总是从最低位开始输出。在控制字指令输入
    后的下一个SCLK时钟的上升沿时，数据被写入DS1302
    数据输入从最低位（0位）开始。
    同样，在紧跟8位的控制字指令后的下一个SCLK脉
    冲的下降沿，读出DS1302的数据，读出的数据也是
    从最低位到最高位。
    */
    /* 写时钟芯片八位数据信息 */
    void write_1302_byte(unsigned char dat)
    {
    	unsigned char a=0;
    	ACC=dat;
    	DS1302_RST_CE=1; // CE：输入信号，在读、写数据期间，必须为高。
    	for(a=8;a>0;a--)
    	{
    		DS1302_IO=ACC0;
    		DS1302_SCLK=0;
    		//delay_n_ms(1);
    		DS1302_SCLK=1;//上升沿写入，下降沿读出
    		//delay_n_ms(1);
    		ACC=ACC>>1;
    	}
    }
    
    
    /* 读时钟芯片八位数据信息 */
    unsigned char read_1302_byte()
    {
    	unsigned char a=0;
    	DS1302_RST_CE=1;
    	for(a=8;a>0;a--)
    	{
    		ACC7=DS1302_IO;
    		DS1302_SCLK=1;
    		//delay_n_ms(1);
    		DS1302_SCLK=0;
    		//delay_n_ms(1);
    		ACC=ACC>>1;
    
    	}
    	return (ACC);
    }
    /* 在时钟芯片指定位置写指定数据 */
    void write_1302_addr_data(unsigned char add,unsigned char dat)
    {
    
    	DS1302_RST_CE=0;//初始CE线置为0
    	DS1302_SCLK=0;	//初始时钟线置为0
    	DS1302_RST_CE=1;//初始CE置为1，传输开始
    	write_1302_byte(add);
    	write_1302_byte(dat);
    	DS1302_SCLK=1;  //时钟线拉高
    	DS1302_RST_CE=0;//读取结束，CE置为0，结束数据的传输
    }
    
    
    /* 读取时钟芯片指定地址的数据信息 */
    unsigned char read_1302_addr_data(unsigned char add)
    {
    	unsigned char temp;
    	DS1302_RST_CE=0;
    	DS1302_SCLK=0;
    	DS1302_RST_CE=1;
    	write_1302_byte(add);
    	temp=read_1302_byte();
    	DS1302_SCLK=1;
    	DS1302_RST_CE=0;
    	return(temp);
    }
    
    
    /* 时钟芯片数据转换 */
    unsigned char BCD_Decimal(unsigned char bcd)
    {
     unsigned char Decimal;
     Decimal=bcd>>4;
     return(Decimal=Decimal*10+(bcd&=0x0F));
    }
    /* 时钟芯片初始化操作 */
    /*
    控制寄存器（8Fh、8Eh）的位7是写保护位（WP）
    其它7位均置为0。在任何的对时钟和RAM的写操作之前
    WP位必须为0。当WP位为1时，写保护位
    防止对任一寄存器的写操作.
    */
    void ds1302_init() 
    {
    	DS1302_RST_CE=0;
    	DS1302_SCLK=0;
    
    	write_1302_addr_data(0x8e,0x00); //写保护关 将控制寄存器值设为0，wp=0允许写
    	write_1302_addr_data(0x8e,0x80); //写保护开，防止影响时间值
    }
    /* 设置时钟芯片参数信息 */
    void Set_RTC(unsigned char address,unsigned char temp)	   
    {
    	unsigned char tmp=0;
        tmp=temp/10;
    	temp=temp%10;
    	temp=temp+tmp*16;
    	write_1302_addr_data(0x8E,0X00);
    	write_1302_addr_data(address,temp&0x7f);
     	write_1302_addr_data(0x8E,0x80);
    }
    /* 提取时钟芯片时间信息 */
    void GetTime(void)
    {
    #if 0
    	miao = BCD_Decimal(read_1302_addr_data(0x81));
    	fen = BCD_Decimal(read_1302_addr_data(0x83));
    	shi  = BCD_Decimal(read_1302_addr_data(0x85));
    	ri  = BCD_Decimal(read_1302_addr_data(0x87));
    	yue = BCD_Decimal(read_1302_addr_data(0x89));
    	nian=BCD_Decimal(read_1302_addr_data(0x8d));
    	week=BCD_Decimal(read_1302_addr_data(0x8b));
    	
    #else
    	nian = BCD_Decimal(read_1302_addr_data(read_year));
    	yue = BCD_Decimal(read_1302_addr_data(read_month));
    	ri  = BCD_Decimal(read_1302_addr_data(read_day));
    
    	shi  = BCD_Decimal(read_1302_addr_data(read_hour));
    	fen = BCD_Decimal(read_1302_addr_data(read_minute));
    	miao = BCD_Decimal(read_1302_addr_data(read_second));
    	
    	week = BCD_Decimal(read_1302_addr_data(read_week))-1;
    #endif
    }
    
    
    /* 按键消抖动 */
    void KeyDelay(void)
    {
    	unsigned char i=0,j=0;
    	for(i=15;i>0;i--) 
    			for(j=80;j>0;j--); 
    }
    
    
    /* 读取按键键值 */
    unsigned char KeyProcess(void)
    {
    	static unsigned char KeyVal=KEYINIT;
    	if(KeyOne==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyOne==KEYDOWN)
    		{
    			while(KeyOne==KEYDOWN);
    			LCD_disp_str(0,1,"                ");
    			LCD_disp_str(0,2,"                ");
    			KeyVal++;
    			if(KeyVal>KEYALARM)
    				KeyVal=KEYINIT;
    		}
    	}
    	return KeyVal;
    }
    /* 定时器配置 */
    void Time_init() //定时器、计数器设置函数
    //void init() //定时器、计数器设置函数
    {
    	TMOD=0x01; //指定定时/计数器的工作方式为3
    	// TMOD=0x01; 定时器0 中断号1 方式1 16位定时器
    	TH0=0x3c;  //定时器T0的高四位=0
    	TL0=0xb0;  //定时器T0的低四位=0
    	EA=1;  //系统允许有开放的中断
    	ET0=1; //允许T0中断
    	TR0=1; //开启中断，启动定时器T0
    }
    /* 外围硬件初始化 */
    void HandInit(void)
    {
    	LCD_init();
    	ds1302_init();
    	Time_init();
    	Red = 1;
    	Green = 0;	
    }
    /* 年月日信息显示 */
    void show_Data(void)
    {
    	unsigned char dis_Data[16]={0};
    	dis_Data[0]='2';
    	dis_Data[1]='0';
    	dis_Data[2]=(nian/10)+'0';		//ascii0(48)  0x30(48)
    	//dis_Data[2]=(nian/10)+'0';
    	dis_Data[3]=(nian%10)+'0';
    	dis_Data[4]='-';					    
    	dis_Data[5]=(yue/10)+'0';		
    	dis_Data[6]=(yue%10)+'0';
    	dis_Data[7]='-';
    	dis_Data[8]=(ri/10)+'0';		
    	dis_Data[9]=(ri%10)+'0';
    	dis_Data[10]=' ';
    	dis_Data[11]='W';
    	dis_Data[12]=126;//~
    	dis_Data[13]='<';
    	dis_Data[14]=(week%10)+'0';
    	dis_Data[15]='>';
    	LCD_disp_str(0,1,dis_Data);
    }
    
    
    /* 时分秒温度信息显示 */
    void Show_Time_Temperature(void)
    {
    	unsigned char dis_Time[16]={0};
    	dis_Time[0]=' ';
    	dis_Time[1]=(shi/10)+'0';		
    	dis_Time[2]=(shi%10)+'0';
    	dis_Time[3]=':';					    
    	dis_Time[4]=(fen/10)+'0';
    	dis_Time[5]=(fen%10)+'0';
    	dis_Time[6]=':';
    	dis_Time[7]=(miao/10)+'0';
    	dis_Time[8]=(miao%10)+'0';
    	dis_Time[9]=' ';
    	dis_Time[10]=TempVal/100+'0';
    	dis_Time[11]=TempVal%100/10+'0';
    	dis_Time[12]='.';
    	dis_Time[13]=TempVal%10+'0';
    	dis_Time[14]=223;
    	dis_Time[15]='C';
    	LCD_disp_str(0,2,dis_Time);
    }
    
    
    /* 设置年参数 */
    void Set_Year(void)
    {
    	YearData=read_1302_addr_data(0x8D);
    	YearData=(YearData>>4)*10+(YearData&0x0f);
    	if(KeyTwo==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyTwo==KEYDOWN)
    		{
    			while(KeyTwo==KEYDOWN);
    			if(YearData<=0)	
    				YearData=1;
    			YearData-=1;
    			Set_RTC(write_year,YearData);
    		}
    	}
    	if(KeyThree==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyThree==KEYDOWN)
    		{
    			while(KeyThree==KEYDOWN);
    			if(YearData>=99)	
    				YearData=98;
    			YearData+=1;
    			Set_RTC(write_year,YearData);
    		}
    	}
    	LCD_disp_str(0,1,"   SET YEAR     ");
    	LCD_disp_char(4,2,'2');
    	LCD_disp_char(5,2,'0');
    	LCD_disp_char(6,2,YearData/10+'0');
    	LCD_disp_char(7,2,YearData%10+'0');
    }
    /* 设置月参数 */
    void SetMonth(void)
    {
    	MonthData=read_1302_addr_data(0x89);
    	MonthData=(MonthData>>4)*10+(MonthData&0x0f);
    	if(KeyTwo==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyTwo==KEYDOWN)
    		{
    			while(KeyTwo==KEYDOWN);
    			if(MonthData<=1)	
    				MonthData=2;
    			MonthData-=1;
    			Set_RTC(write_month,MonthData);
    		}
    	}
    	if(KeyThree==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyThree==KEYDOWN)
    		{
    			while(KeyThree==KEYDOWN);
    			if(MonthData>=12)	
    				MonthData=11;
    			MonthData+=1;
    			Set_RTC(write_month,MonthData);
    		}
    	}
    	LCD_disp_str(0,1,"   SET MONTH    ");
    	LCD_disp_char(6,2,MonthData/10+'0');
    	LCD_disp_char(7,2,MonthData%10+'0');
    }
    /* 设置日参数 */
    void SetDay(void)
    {
    	DayData=read_1302_addr_data(0x87);
    	DayData=(DayData>>4)*10+(DayData&0x0f);
    	if(KeyTwo==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyTwo==KEYDOWN)
    		{
    			while(KeyTwo==KEYDOWN);
    			if(DayData<=1)	
    				DayData=2;
    			DayData-=1;
    			Set_RTC(write_day,DayData);
    		}
    	}
    	if(KeyThree==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyThree==KEYDOWN)
    		{
    			while(KeyThree==KEYDOWN);
    			if(DayData>=30)	
    				DayData=29;
    			DayData+=1;
    			Set_RTC(write_day,DayData);
    		}
    	}
    	LCD_disp_str(0,1,"   SET DAY      ");
    	LCD_disp_char(6,2,DayData/10+'0');
    	LCD_disp_char(7,2,DayData%10+'0');
    }
    /* 设置周期参数 */
    void SetWeek(void)
    {
    	WeekData=read_1302_addr_data(0x8b);
    	WeekData=(WeekData>>4)*10+(WeekData&0x0f);
    	if(KeyTwo==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyTwo==KEYDOWN)
    		{
    			while(KeyTwo==KEYDOWN);
    			if(WeekData<=1)	
    				WeekData=2;
    			WeekData-=1;
    			Set_RTC(write_week,WeekData);
    		}
    	}
    	if(KeyThree==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyThree==KEYDOWN)
    		{
    			while(KeyThree==KEYDOWN);
    			if(WeekData>=7)	
    				WeekData=6;
    			WeekData+=1;
    			Set_RTC(write_week,WeekData);
    		}
    	}
    	LCD_disp_str(0,1,"   SET WEEK     ");
    	LCD_disp_char(6,2,WeekData/10+'0');
    	LCD_disp_char(7,2,WeekData%10+'0');
    }
    /* 设置小时参数 */
    void SetHour(void)
    {
    	HourData=read_1302_addr_data(0x85);
    	HourData=(HourData>>4)*10+(HourData&0x0f);
    	if(KeyTwo==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyTwo==KEYDOWN)
    		{
    			while(KeyTwo==KEYDOWN);
    			if(HourData<=0)	
    				HourData=1;
    			HourData-=1;
    			Set_RTC(write_hour,HourData);
    		}
    	}
    	if(KeyThree==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyThree==KEYDOWN)
    		{
    			while(KeyThree==KEYDOWN);
    			if(HourData>=23)	
    				HourData=22;
    			HourData+=1;
    			Set_RTC(write_hour,HourData);
    		}
    	}
    	LCD_disp_str(0,1,"   SET HOUR     ");
    	LCD_disp_char(6,2,HourData/10+'0');
    	LCD_disp_char(7,2,HourData%10+'0');
    }
    /* 设置分钟参数 */
    void SetMinute(void)
    {
    	MinuteData=read_1302_addr_data(0x83);
    	MinuteData=(MinuteData>>4)*10+(MinuteData&0x0f);
    	if(KeyTwo==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyTwo==KEYDOWN)
    		{
    			while(KeyTwo==KEYDOWN);
    			if(MinuteData<=0)	
    				MinuteData=1;
    			MinuteData-=1;
    			Set_RTC(write_minute,MinuteData);
    		}
    	}
    	if(KeyThree==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyThree==KEYDOWN)
    		{
    			while(KeyThree==KEYDOWN);
    			if(MinuteData>=59)	
    				MinuteData=58;
    			MinuteData+=1;
    			Set_RTC(write_minute,MinuteData);
    		}
    	}
    	LCD_disp_str(0,1,"   SET MINUTE   ");
    	LCD_disp_char(6,2,MinuteData/10+'0');
    	LCD_disp_char(7,2,MinuteData%10+'0');
    }
    /* 设置闹钟小时参数 */
    void SetAlarH(void)
    {
    	if(KeyTwo==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyTwo==KEYDOWN)
    		{
    			while(KeyTwo==KEYDOWN);
    			if(AlarmH<=0)	
    				AlarmH=1;
    			AlarmH-=1;
    		}
    	}
    	if(KeyThree==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyThree==KEYDOWN)
    		{
    			while(KeyThree==KEYDOWN);
    			if(AlarmH>=23)	
    				AlarmH=22;
    			AlarmH+=1;
    		}
    	}
    	LCD_disp_str(0,1,"   SET ALARMH   ");
    	LCD_disp_char(6,2,AlarmH/10+'0');
    	LCD_disp_char(7,2,AlarmH%10+'0');
    }
    /* 设置闹钟分钟参数 */
    void SetAlarM(void)
    {
     	if(KeyTwo==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyTwo==KEYDOWN)
    		{
    			while(KeyTwo==KEYDOWN);
    			if(AlarmM<=0)	
    				AlarmM=1;
    			AlarmM-=1;
    		}
    	}
    	if(KeyThree==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyThree==KEYDOWN)
    		{
    			while(KeyThree==KEYDOWN);
    			if(AlarmM>=59)	
    				AlarmM=58;
    			AlarmM+=1;
    		}
    	}
    	LCD_disp_str(0,1,"   SET ALARMM   ");
    	LCD_disp_char(6,2,AlarmM/10+'0');
    	LCD_disp_char(7,2,AlarmM%10+'0');
    }
    /* 逻辑信息处理 */
    void Process(void)
    {
    	unsigned char StartChange=KEYINIT;
    	StartChange=KeyProcess();
    	if(KeyFour==KEYDOWN)
    	{
    		KeyDelay();
    		if(KeyFour==KEYDOWN)
    		{
    			while(KeyFour==KEYDOWN);
    			AlarmFlag=!AlarmFlag;
    			if(AlarmFlag)
    			{
    				Red = 0;
    				Green = 1;	
    			}
    			else
    			{
    				Red = 1;
    				Green = 0;
    			}
    		}
    	}
    	switch(StartChange)
    	{
    	case KEYINIT:
    		show_Data();
    		Show_Time_Temperature();
    		break;
    	case KEYYEAR:
    		Set_Year();
    		break;
    	case KEYMONTH:
    		SetMonth();
    		break;
    	case KEYDAY:
    		SetDay();
    		break;
    	case KEYWEEK:
    		SetWeek();
    		break;
    	case KEYHOUR:
    		SetHour();
    		break;
    	case KEYMINTH:
    		SetMinute();
    		break;
    	case KEYALARH:
    		SetAlarH();
    		break;
    	case KEYALARM:
    		SetAlarM();
    		break;
    	default:break;
    	}
    }
     /* 取得并显示日历和时间 */
    void timer0() interrupt 1 
    {
    	TH0=0x3c;  //定时器T0的高四位=0
    	TL0=0xb0;  //定时器T0的低四位=0
    	temp_change();  
    	TempVal=get_temp_value();  
    	GetTime();
    	if(AlarmFlag)
    	{
    		HourData=read_1302_addr_data(0x85);
    		HourData=(HourData>>4)*10+(HourData&0x0f);
    		MinuteData=read_1302_addr_data(0x83);
    		MinuteData=(MinuteData>>4)*10+(MinuteData&0x0f);
    		if((HourData==AlarmH)&&(MinuteData==AlarmM))
    		{
    			Beep=!Beep;	
    		}
    	}
    	else
    	{
    		Beep=0;
    	}
    }
    /* 主函数 */
    void main(void)
    {
    	HandInit();
    	while(1)
    	{
    		Process();
    	}
    }