a.txt

DS1302和LCD1602的多功能数字钟

        if(DEC_VALUE != 0)
         {
          item = DS1302_read_byte(0x87) ;
          item=(item/16)*10+item%16;
          item--;
          if(item == 0)item=31;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0x86,item);
          DEC_VALUE = 0 ;
         }
       }
     
      else if(MODE_ON == 4)
       {
        uint8 item ;
        LCD1602_write_cmd(0x8f) ;
        if(INC_VALUE !=0 )
         {
          item = DS1302_read_byte(0x8b) ;
          item=(item/16)*10+item%16;
          item++;
          if(item==8)item=1;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0x8a,item);
          INC_VALUE = 0 ;
         }
        if(DEC_VALUE != 0)
         {
          item = DS1302_read_byte(0x8b) ;
          item=(item/16)*10+item%16;
          item--;
          if(item == 0)item=7;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0x8a,item);
          DEC_VALUE = 0 ;
         } 
       } 
      else if(MODE_ON == 5)
       {
        uint8 item ;
        LCD1602_write_cmd(0xc5) ;
        if(INC_VALUE !=0 )
         {
          item = DS1302_read_byte(0x85) ;
          item=(item/16)*10+item%16;
          item++;
          if(item==24)item=0;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0x84,item);
          INC_VALUE = 0 ;
         }
        if(DEC_VALUE != 0)
         {
          item = DS1302_read_byte(0x85) ;
          item=(item/16)*10+item%16;
          item--;
          if(item == -1)item=23;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0x84,item);
          DEC_VALUE = 0 ;
         }
       }
      
      else if(MODE_ON == 6)
       {
        uint8 item ;
        LCD1602_write_cmd(0xc8) ;
        if(INC_VALUE !=0 )
         {
          item = DS1302_read_byte(0x83) ;
          item=(item/16)*10+item%16;
          item++;
          if(item==60)item=0;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0x82,item);
          INC_VALUE = 0 ;
         }
        if(DEC_VALUE != 0)
         {
          item = DS1302_read_byte(0x83) ;
          item=(item/16)*10+item%16;
          item--;
          if(item == -1)item=59;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0x82,item);
          DEC_VALUE = 0 ;
         }
       }
      
      else if(MODE_ON == 7)
       {
        uint8 item ;
        LCD1602_write_cmd(0xcb) ;
        if(INC_VALUE !=0 )
         {
          item = DS1302_read_byte(0x81) ;
          item=(item/16)*10+item%16;
          item++;
          if(item==60)item=0;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0x80,item);
          INC_VALUE = 0 ;
         }
        if(DEC_VALUE != 0)
         {
          item = DS1302_read_byte(0x81) ;
          item=(item/16)*10+item%16;
          item--;
          if(item == -1)item=59;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0x80,item);
          DEC_VALUE = 0 ;
         }
       }
      else
       {
        LCD1602_write_cmd(0x86);
        MODE_ON = 1 ;
       }
        
      if(OK_VALUE == 2 )
       {
        MODE_ON = 1 ;
        OK_VALUE = 0 ;
        LCD1602_write_cmd(0x01) ;
        LCD1602_write_cmd(0x0c) ;
       }
     }
    if(self_pos == 1 || self_pos == -2)
     { //uint8 alarm_temp ;
      LCD1602_write_cmd(0x80);
      LCD1602_write_string(0,1,"Alarm time ") ;
      LCD1602_write_data(DS1302_read_byte(0xc1)/16+0x30);
      LCD1602_write_data(DS1302_read_byte(0xc1)%16+0x30);
      LCD1602_write_data(':');
     
      LCD1602_write_data(DS1302_read_byte(0xc3)/16+0x30);
      LCD1602_write_data(DS1302_read_byte(0xc3)%16+0x30);
      if(ALARM_VALUE == 1)
       LCD1602_write_string(2,0," ON") ; 
      else 
       LCD1602_write_string(2,0,"OFF") ;
      LCD1602_write_cmd(0xcb) ;
      LCD1602_write_data(DS1302_read_byte(0xc5)/16+0x30);
      LCD1602_write_data(DS1302_read_byte(0xc5)%16+0x30);
      LCD1602_write_data(':');
      LCD1602_write_data(DS1302_read_byte(0xc7)/16+0x30);
      LCD1602_write_data(DS1302_read_byte(0xc7)%16+0x30);
      LCD1602_write_cmd(0x8c) ;
      if(MODE_ON == 1)
       {
        uint8 item ;
        if(INC_VALUE !=0 )
         {
          item = DS1302_read_byte(0xc1) ;
          item=(item/16)*10+item%16;
          item++;
          if(item==24)item=0;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0xc0,item);
          INC_VALUE = 0 ;
         }
        if(DEC_VALUE != 0)
         {
          item = DS1302_read_byte(0xc1) ;
          item=(item/16)*10+item%16;
          item--;
          if(item == -1)item=23;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0xc0,item);
          DEC_VALUE = 0 ;
         }
       }
      else if(MODE_ON == 2)
       {
        uint8 item ;
        LCD1602_write_cmd(0x8f) ;
        if(INC_VALUE !=0 )
         {
          item = DS1302_read_byte(0xc3) ;
          item=(item/16)*10+item%16;
          item++;
          if(item==60)item=0;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0xc2,item);
          INC_VALUE = 0 ;
         }
        if(DEC_VALUE != 0)
         {
          item = DS1302_read_byte(0xc3) ;
          item=(item/16)*10+item%16;
          item--;
          if(item == -1)item=59;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0xc2,item);
          DEC_VALUE = 0 ;
         }
       }
      else if(MODE_ON == 3)
       {
        LCD1602_write_cmd(0xc4);
        if(INC_VALUE != 0 || DEC_VALUE !=0 )
         {
          INC_VALUE = 0 ;
          DEC_VALUE = 0 ;
          ALARM_VALUE^=1 ; //取反
         }
       }
      else if(MODE_ON == 4)
       {
        uint8 item ;
        LCD1602_write_cmd(0xcc) ;
        if(INC_VALUE !=0 )
         {
          item = DS1302_read_byte(0xc5) ;
          item=(item/16)*10+item%16;
          item++;
          if(item==24)item=0;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0xc4,item);
          INC_VALUE = 0 ;
         }
        if(DEC_VALUE != 0)
         {
          item = DS1302_read_byte(0xc5) ;
          item=(item/16)*10+item%16;
          item--;
          if(item == -1)item=23;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0xc4,item);
          DEC_VALUE = 0 ;
         }
       }
      else if(MODE_ON == 5)
       {
        uint8 item ;
        LCD1602_write_cmd(0xcf) ;
        if(INC_VALUE !=0 )
         {
          item = DS1302_read_byte(0xc7) ;
          item=(item/16)*10+item%16;
          item++;
          if(item==60)item=0;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0xc6,item);
          INC_VALUE = 0 ;
         }
        if(DEC_VALUE != 0)
         {
          item = DS1302_read_byte(0xc7) ;
          item=(item/16)*10+item%16;
          item--;
          if(item == -1)item=59;
          item=(item/10)*16+item%10;
          DS1302_write_byte(0x8e,0x00);//允许写操作
          DS1302_write_byte(0xc6,item);
          DEC_VALUE = 0 ;
         }
       }
      else
       {
        LCD1602_write_cmd(0x8c);
        MODE_ON = 1 ;
       }
      if(OK_VALUE == 2 )
       {
        MODE_ON = 1 ;
        OK_VALUE = 0 ;
        LCD1602_write_cmd(0x01) ;
        LCD1602_write_cmd(0x0c) ;
       }
     }
    if(self_pos == 2 || self_pos == -1)
     {
     
      if(DEC_VALUE != 0)
       {
        TR0 = 0;
       
        DEC_VALUE = 0 ;
       }
     
      if(INC_VALUE != 0 )
       { 
        TR0= 1 ;
        INC_VALUE = 0 ;
       }
      LCD1602_write_cmd(0x0c) ;
      LCD1602_write_string(4,1,"stopwatch") ;
             LCD1602_write_char(5,0,stopwatch_minute/10+0x30) ;
      LCD1602_write_char(6,0,stopwatch_minute%10+0x30) ;
      LCD1602_write_char(7,0,':') ;
      LCD1602_write_char(8,0,stopwatch_second/10+0x30) ;
      LCD1602_write_char(9,0,stopwatch_second%10+0x30) ;
      LCD1602_write_char(10,0,':') ;
      LCD1602_write_char(11,0,stopwatch_count/10+0x30) ;
      LCD1602_write_char(12,0,stopwatch_count%10+0x30) ;
    
     
      if(OK_VALUE == 2 )
       {
        TR0 = 0 ;
        stopwatch_minute = 0;
        stopwatch_second = 0;
        stopwatch_count = 0;
       }
      if(OK_VALUE == 3)
       {
        TR0 = 0 ;
        MODE_ON = 1 ;
        OK_VALUE = 0 ;
        stopwatch_minute = 0;
        stopwatch_second = 0;
        stopwatch_count = 0;
        LCD1602_write_cmd(0x01) ;
       }
     }
   }

}
/***********************************************************
闹钟初始化
************************************************************/
void alarm_init(void)
{
DS1302_write_byte(0x8e,0x00) ;//允许写操作

DS1302_write_byte(0xc0,0x12) ;//第一个闹钟的时
DS1302_write_byte(0xc2,0x00) ;//第一个闹钟的分
DS1302_write_byte(0xc4,0x12) ;//第二个闹钟的时
DS1302_write_byte(0xc6,0x00) ;//第二个闹钟的分
  
DS1302_write_byte(0x8e,0x80) ;//禁止写操作  
}
/***********************************************************
检测闹钟是否到了定时时间
************************************************************/
void alarm_check(void)
{

if(ALARM_VALUE ==1 && ALARM_ON == 1)
   {
    read_1 = DS1302_read_byte(0x85) ;
    read_1 ^= DS1302_read_byte(0xc1);
    read_2 = DS1302_read_byte(0x83) ;
    read_2 ^= DS1302_read_byte(0xc3);
    read_3 = DS1302_read_byte(0x85) ;
    read_3 ^= DS1302_read_byte(0xc5);
    read_4 = DS1302_read_byte(0x83) ;
    read_4 ^= DS1302_read_byte(0xc7);
   }
if((read_1 == 0) && (read_2 == 0) || (read_3 == 0) && (read_4 == 0))
   {
    if(ALARM_VALUE == 1)
     {
      speakers(100) ;
      delay_ms(10);
      speakers(10);
      delay_ms(5);
      ALARM_ON = 0 ;
     }
   }
}
/***********************************************************
主函数
************************************************************/
void main(void)
{
TMOD = 0x01 ;
TH0 = 0xd8 ;
TL0 = 0xf0 ;
EA = 1 ;
ET0 = 1 ;
TR0 = 0 ;
LCD1602_init() ;
alarm_init() ;
DS1302_init() ;
speakers(20) ;
while(1)
   { 
   
    key_scan() ;
    menu_display_1() ;
    menu_display_2() ;
    if(STOPWATCH_START == 0)
     {
      alarm_check();
      DS1302_read_time();
      tdat=rd_temperature(); //温度读取
      tem_conv();     //温度转换
      updata_buffer();
      if(DIS_ON == 1)
       {
        
        display_buffer();
       } 
     }
   }
}
void t0_server(void) interrupt 1 using 1
{
TH0 = 0xd8 ;
TL0 = 0xf0 ;
stopwatch_count++ ;
if(stopwatch_count == 100)
   {
    stopwatch_second++ ;
    stopwatch_count = 0 ;
   }
if(stopwatch_second == 60)
   {
    stopwatch_second = 0 ;
    stopwatch_minute++ ;
   }
if(stopwatch_minute == 60)
   {stopwatch_minute = 0 ;}
}