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#include <reg52.h> //調用單片機頭文件
#define uchar unsigned char //無符號字符型宏定義變量范圍0~255
#define uint unsigned int //無符號整型宏定義變量范圍0~65535
#include "eeprom52.h"
#include "nongli.h"
#include "intrins.h"
bit flag_200ms ;
bit flag_100ms ;
sbit beep = P3^7; //蜂鳴器定義
bit flag_beep_en;
uint clock_value; //用作鬧鐘用的
sbit dq = P3^1; //18b20 IO口的定義
uint temperature ; //溫度變量
uchar flag_nl; //農歷陽歷顯示標志位
uchar menu_1,menu_2;
uchar key_time,flag_value; //用做連加的中間變量
bit key_500ms ;
uchar n_nian,n_yue,n_ri; //農歷顯示的函數
#include "ds1302.h"
#include "lcd1602.h"
/******************把數據保存到單片機內部eeprom中******************/
void write_eeprom()
{
SectorErase(0x2000);
byte_write(0x2000, fen1);
byte_write(0x2001, shi1);
byte_write(0x2002, open1);
byte_write(0x2058, a_a);
}
/******************把數據從單片機內部eeprom中讀出來*****************/
void read_eeprom()
{
fen1 = byte_read(0x2000);
shi1 = byte_read(0x2001);
open1 = byte_read(0x2002);
a_a = byte_read(0x2058);
}
/**************開機自檢eeprom初始化*****************/
void init_eeprom()
{
read_eeprom(); //先讀
if(a_a != 1) //新的單片機初始單片機內問eeprom
{
fen1 = 3;
shi1 = 8;
open1 = 1;
a_a = 1;
write_eeprom(); //保存數據
}
}
/***********************18b20初始化函數*****************************/
void init_18b20()
{
bit q;
dq = 1; //把總線拿高
delay_uint(1); //15us
dq = 0; //給復位脈沖
delay_uint(80); //750us
dq = 1; //把總線拿高等待
delay_uint(10); //110us
q = dq; //讀取18b20初始化信號
delay_uint(20); //200us
dq = 1; //把總線拿高釋放總線
}
/*************寫18b20內的數據***************/
void write_18b20(uchar dat)
{
uchar i;
for(i=0;i<8;i++)
{ //寫數據是低位開始
dq = 0; //把總線拿低寫時間隙開始
dq = dat & 0x01; //向18b20總線寫數據了
delay_uint(5); // 60us
dq = 1; //釋放總線
dat >>= 1;
}
}
/*************讀取18b20內的數據***************/
uchar read_18b20()
{
uchar i,value;
for(i=0;i<8;i++)
{
dq = 0; //把總線拿低讀時間隙開始
value >>= 1; //讀數據是低位開始
dq = 1; //釋放總線
if(dq == 1) //開始讀寫數據
value |= 0x80;
delay_uint(5); //60us 讀一個時間隙最少要保持60us的時間
}
return value; //返回數據
}
/*************讀取溫度的值讀出來的是小數***************/
uint read_temp()
{
uint value;
uchar low; //在讀取溫度的時候如果中斷的太頻繁了，就應該把中斷給關了，否則會影響到18b20的時序
init_18b20(); //初始化18b20
write_18b20(0xcc); //跳過64位ROM
write_18b20(0x44); //啟動一次溫度轉換命令
delay_uint(50); //500us
init_18b20(); //初始化18b20
write_18b20(0xcc); //跳過64位ROM
write_18b20(0xbe); //發出讀取暫存器命令
EA = 0;
low = read_18b20(); //讀溫度低字節
value = read_18b20(); //讀溫度高字節
EA = 1;
value <<= 8; //把溫度的高位左移8位
value |= low; //把讀出的溫度低位放到value的低八位中
value *= 0.625; //轉換到溫度值小數
return value; //返回讀出的溫度帶小數
}
/******************1ms 延時函數*******************/
void delay_1ms(uint q)
{
uint i,j;
for(i=0;i<q;i++)
for(j=0;j<120;j++);
}
/******************寫星期函數*******************/
void write_week(uchar hang,uchar add,uchar week)//寫星期函數
{
if(hang==1)
write_com(0x80+add);
else
write_com(0x80+0x40+add);
switch(week)
{
case 1:write_data('M');//星期數為1時，顯示
write_data('O');
write_data('N');
break;
case 2:write_data('T');//星期數據為2時顯示
write_data('U');
write_data('E');
break;
case 3:write_data('W');//星期數據為3時顯示
write_data('E');
write_data('D');
break;
case 4:write_data('T');//星期數據為4是顯示
write_data('H');
write_data('U');
break;
case 5:write_data('F');//星期數據為5時顯示
write_data('R');
write_data('I');
break;
case 6:write_data('S');//星期數據為6時顯示
write_data('T');
write_data('A');
break;
case 7:write_data('S');//星期數據為7時顯示
write_data('U');
write_data('N');
break;
}
}
/*************時鐘顯示***************/
void init_1602_ds1302()
{
write_sfm2_ds1302(1,1,shi); //顯示時
write_sfm2_ds1302(1,4,fen); //顯示分
write_sfm2_ds1302(1,7,miao); //顯示秒
write_week(2,12,week);
//write_sfm1(1,14,week); //顯示星期
write_sfm3_18B20(1,11,temperature); //顯示溫度
if(flag_nl == 0) //顯示陽歷
{
write_sfm2_ds1302(2,2,nian); //顯示年
write_sfm2_ds1302(2,5,yue); //顯示月
write_sfm2_ds1302(2,8,ri); //顯示日
}
else //顯示農歷
{
write_sfm2_ds1302(2,2,n_nian); //顯示年
write_sfm2_ds1302(2,5,n_yue); //顯示月
write_sfm2_ds1302(2,8,n_ri); //顯示日
}
}
/*************定時器0初始化程序***************/
void init_time0()
{
EA = 1; //開總中斷
TMOD = 0X01; //定時器0、工作方式1
ET0 = 1; //開定時器0中斷
TR0 = 1; //允許定時器0定時
}
/*************鬧鐘報警函數***************/
void menu_dis()
{
static uchar mm,value;
if(flag_100ms == 1) //100ms執行一次
{
flag_100ms = 0;
if(open1 == 1) //如果鬧鐘打開
{
if((miao == 0) && (fen == fen1) && (shi == shi1))
{
flag_beep_en = 1; //有報警打開蜂鳴器響的標志位
}
if(flag_beep_en == 1) //鬧鐘以被打開
{
clock_value++;
if(clock_value <= 30)
beep = ~beep; //蜂鳴器叫3秒
else if(clock_value > 30)
{
beep = 1; //蜂鳴器停1秒
if(clock_value > 40)
{
clock_value = 0;
}
}
// 1 分鐘后自動關閉鬧鐘
value ++;
if(value >= 10)
{
value = 0;
mm++;
if(mm >= 60)
{
mm = 0;
flag_beep_en = 0;
beep = 1;
}
}
}
}
}
}
/********************獨立按鍵程序*****************/
uchar key_can; //按鍵值
void key() //獨立按鍵程序
{
static uchar key_new;
key_can = 20; //按鍵值還原
P3 |= 0x78; //對應的按鍵IO口輸出為1
if((P3 & 0x78) != 0x78) //按鍵按下
{
delay_1ms(1); //按鍵消抖動
if(((P3 & 0x78) != 0x78) && (key_new == 1))
{ //確認是按鍵按下
key_new = 0;
switch(P3 & 0x78)
{
case 0x70: key_can = 4; break; //得到按鍵值
case 0x68: key_can = 3; break; //得到按鍵值
case 0x58: key_can = 2; break; //得到按鍵值
case 0x38: key_can = 1; break; //得到按鍵值
}
// write_sfm2(1,0,key_can); //顯示按鍵值
}
}
else
key_new = 1;
}
/**********************設置函數************************/
void key_with()
{
if(key_can == 1)
{
menu_1++;
if(menu_1 == 1)
{
menu_2 = 1;
write_string(1,0," : : W: ");
write_string(2,0," 20 - - ");
}
if(menu_1 == 2)
{
menu_2 = 1;
write_string(1,0," set clock ");
write_string(2,0," Y 00:00 ");
}
if(menu_1 > 2)
{
menu_1 = 0;
write_guanbiao(1,2,0);
init_1602_dis_csf(); //初始化液晶顯示
}
}
if(key_can == 2)
{
flag_200ms = 1;
if(menu_1 == 1)
{
menu_2 ++;
if(menu_2 > 7)
menu_2 = 1;
}
if(menu_1 == 2)
{
menu_2 ++;
if(menu_2 > 3)
menu_2 = 1;
}
}
if(menu_1 == 1)
{
if(menu_2 == 1)
{
if(key_can == 3)
{
shi+=0x01;
if((shi & 0x0f) >= 0x0a)
shi = (shi & 0xf0) + 0x10; ///***shi & 0xf0低四位清零，(shi & 0xf0) + 0x10向高位進1（高四位加1）***/// if(shi >= 0x24)
shi = 0;
}
if(key_can == 4)
{
if(shi == 0x00)
shi = 0x24;
if((shi & 0x0f) == 0x00)
shi = (shi | 0x0a) - 0x10; ///***如果個位為0，高四位減1***///
shi -- ;
}
}
if(menu_2 == 2)
{
if(key_can == 3)
{
fen+=0x01;
if((fen & 0x0f) >= 0x0a)
fen = (fen & 0xf0) + 0x10;
if(fen >= 0x60)
fen = 0;
}
if(key_can == 4)
{
if(fen == 0x00)
fen = 0x5a;
if((fen & 0x0f) == 0x00)
fen = (fen | 0x0a) - 0x10;
fen -- ;
}
}
if(menu_2 == 3)
{
if(key_can == 3)
{
miao+=0x01;
if((miao & 0x0f) >= 0x0a)
miao = (miao & 0xf0) + 0x10;
if(miao >= 0x60)
miao = 0;
}
if(key_can == 4)
{
if(miao == 0x00)
miao = 0x5a;
if((miao & 0x0f) == 0x00)
miao = (miao | 0x0a) - 0x10;
miao -- ;
}
}
if(menu_2 == 4)
{
if(key_can == 3)
{
week+=0x01;
if((week & 0x0f) >= 0x0a)
week = (week & 0xf0) + 0x10;
if(week >= 0x08)
week = 1;
}
if(key_can == 4)
{
if(week == 0x01)
week = 0x08;
if((week & 0x0f) == 0x00)
week = (week | 0x0a) - 0x10;
week -- ;
}
}
if(menu_2 == 5)
{
if(key_can == 3)
{
nian+=0x01;
if((nian & 0x0f) >= 0x0a)
nian = (nian & 0xf0) + 0x10;
if(nian >= 0x9a)
nian = 1;
}
if(key_can == 4)
{
if(nian == 0x01)
nian = 0x9a;
if((nian & 0x0f) == 0x00)
nian = (nian | 0x0a) - 0x10;
nian -- ;
}
}
if(menu_2 == 6)
{
if(key_can == 3)
{
yue+=0x01;
if((yue & 0x0f) >= 0x0a)
yue = (yue & 0xf0) + 0x10;
if(yue >= 0x13)
yue = 1;
}
if(key_can == 4)
{
if(yue == 0x01)
yue = 0x13;
if((yue & 0x0f) == 0x00)
yue = (yue | 0x0a) - 0x10;
yue -- ;
}
}
if(menu_2 == 7)
{
if(key_can == 3)
{
ri+=0x01;
if((ri & 0x0f) >= 0x0a)
ri = (ri & 0xf0) + 0x10;
if(ri >= 0x32)
ri = 0;
}
if(key_can == 4)
{
if(ri == 0x01)
ri = 0x32;
if((ri & 0x0f) == 0x00)
ri = (ri | 0x0a) - 0x10;
ri -- ;
}
}
write_sfm2_ds1302(1,2,shi);
write_sfm2_ds1302(1,5,fen);
write_sfm2_ds1302(1,8,miao);
write_sfm1(1,14,week);
write_sfm2_ds1302(2,3,nian);
write_sfm2_ds1302(2,6,yue);
write_sfm2_ds1302(2,9,ri);
///***write_sfm3_18B20(2,12,temperature);
switch(menu_2) // 光標顯示
{
case 1: write_guanbiao(1,2,1); break;
case 2: write_guanbiao(1,5,1); break;
case 3: write_guanbiao(1,8,1); break;
case 4: write_guanbiao(1,14,1); break;
case 5: write_guanbiao(2,3,1); break;
case 6: write_guanbiao(2,6,1); break;
case 7: write_guanbiao(2,9,1); break;
}
write_time(); //把時間寫進去
}
/***************設置鬧鐘*********************/
if(menu_1 == 2)
{
if(menu_2 == 1)
{
if(key_can == 3)
{
open1 = 1; //鬧鐘開
}
if(key_can == 4)
{
open1 = 0;
}
}
if(menu_2 == 2)
{
if(key_can == 3)
{
shi1+=0x01;
if((shi1 & 0x0f) >= 0x0a)
shi1 = (shi1 & 0xf0) + 0x10;
if(shi1 >= 0x24)
shi1 = 0;
}
if(key_can == 4)
{
if(shi1 == 0x00)
shi1 = 0x5a;
if((shi1 & 0x0f) == 0x00)
shi1 = (shi1 | 0x0a) - 0x10;
shi1 -- ;
}
}
if(menu_2 == 3)
{
if(key_can == 3)
{
fen1+=0x01;
if((fen1 & 0x0f) >= 0x0a)
fen1 = (fen1 & 0xf0) + 0x10;
if(fen1 >= 0x60)
fen1 = 0;
}
if(key_can == 4)
{
if(fen1 == 0x00)
fen1 = 0x5a;
if((fen1 & 0x0f) == 0x00)
fen1 = (fen1 | 0x0a) - 0x10;
fen1 -- ;
}
}
if(open1 == 1)
write_string(2,4,"Y");
else
write_string(2,4,"N");
write_sfm2_ds1302(2,7,shi1); //顯示鬧鐘時
write_sfm2_ds1302(2,10,fen1); //顯示鬧鐘分
switch(menu_2) // 光標顯示
{
case 1: write_guanbiao(2,4,1); break;
case 2: write_guanbiao(2,7,1); break;
case 3: write_guanbiao(2,10,1); break;
}
write_eeprom(); //保存鬧鐘時間
}
}
/*****************主函數********************/
void main()
{
beep = 0; //開機叫一聲
dP0 = P1 = P2 = P3 = 0xff; //單片機IO口初始化為1
elay_1ms(150);
init_time0(); //初始化定時器
init_ds1302(); //ds1302初始化
init_1602(); //lcd1602初始化
init_1602_dis_csf(); //lcd1602初始化顯示
init_eeprom(); //開始初始化保存的數據
temperature = read_temp(); //先讀出溫度的值
delay_1ms(650);
temperature = read_temp(); //先讀出溫度的值
while(1)
{
key(); //按鍵程序
if(key_can < 10)
{
if(flag_beep_en == 0) //只有鬧鐘關了的時候才能進入設置
key_with();
else
{
flag_beep_en = 0; //按下任意鍵可關閉鬧鐘
beep = 1;
clock_value = 0;
read_time();
}
if(menu_1 == 0)
{
if(key_can == 4) //減鍵
{
flag_nl = ~flag_nl; //切換農歷和陽歷的顯示標志位
if(flag_nl == 0)
write_string(2,0,"2016");
else
write_string(2,0,"N ");
}
}
}
if(flag_200ms == 1)
{
flag_200ms = 0;
if(menu_1 == 0)
{
read_time(); //讀時間
temperature = read_temp(); //先讀出溫度的值
init_1602_ds1302(); //顯示時鐘
}
}
menu_dis(); //鬧鐘報警函數
delay_1ms(1);
}
}
/**************定時器0中斷程序*****************/
void time0() interrupt 1
{
static uchar value;
TH0 = 0X3C;
TL0 = 0XB0; //50ms
value ++;
if((value % 2) == 0) //100ms
flag_100ms = 1;
if(value >= 6) //200ms
{
value = 0;
flag_200ms = 1;
}
}

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