ds1302+1602+18b20+四个按键调时间制作成功 -

#include<reg52.h> //包含头文件，一般情况不需要改动，头文件包含特殊功能寄存器的定义
#include <stdio.h>
#include "ds1302.h"
#include "delay.h"
#include"18b20.h"
#include "1602.h"
#define KeyPort P3 //定义按键端口
unsigned char KeyScan(void);//键盘扫描
bit ReadTimeFlag;//定义读时间标志
bit SetFlag; //更新时间标志位
unsigned char time_buf2[16];
sbit K1=P3^0; //选择
sbit K2=P3^1; //加
sbit K3=P3^2; //减
sbit K4=P3^3;
void Init_Timer0(void);//定时器初始化
void UART_Init(void);
unsigned char Change_Flag[]= "0123456789AB";
unsigned char Adjust_Index=0; //当前调节的时间对象：，，分，是，日，月，年（1,2,3,4,6）
void DateTime_Adjust(char x);
/*------------------------------------------------
主函数
------------------------------------------------*/
void main (void)
{
unsigned char temp1;
float temperature;
char displaytemp[16];
char temp3[16];
//外部中断0开
LCD_Init(); //初始化液晶
Init_Timer0(); //定时器0初始化
Ds1302_Init(); //ds1302初始化
Init_DS18B20();
Ds1302_Write_Time();
K1=K2=K3=K4=1;
while(1)
{
if(K1==0) //选择调整对象（Y M D H M）
{
DelayMs(10);
if(K1==0)
{ DelayMs(10);
DelayMs(10);
DelayMs(10);
Adjust_Index++;
LCD_Write_Char(12,0,Change_Flag[Adjust_Index]);
if(Adjust_Index==13)
Adjust_Index=0;
switch( Adjust_Index)
{ //第一行
case 1: LCD_Write_Char(0,0,0xff); break;
case 2: LCD_Write_Char(1,0,0xff); break;
case 3: LCD_Write_Char(3,0,0xff); break;
case 4: LCD_Write_Char(4,0,0xff); break;
case 5: LCD_Write_Char(6,0,0xff); break;
case 6: LCD_Write_Char(7,0,0xff); break;
//第二行
case 7: LCD_Write_Char(0,1,0xff); break;
case 8: LCD_Write_Char(1,1,0xff); break;
case 9: LCD_Write_Char(3,1,0xff); break;
case 10: LCD_Write_Char(4,1,0xff); break;
case 11: LCD_Write_Char(6,1,0xff); break;
case 12: LCD_Write_Char(7,1,0xff); break;
}
} }
if(K2==0) //加
{ //while(K2==0);
if(K2==0)
switch(Adjust_Index)
{
case 1:time_buf1[1]--;Ds1302_Write_Time();break;
case 2:if(--time_buf1[2]<1)time_buf1[2]=12;Ds1302_Write_Time();break;
case 3:{if(time_buf1[2]==1||time_buf1[2]==3||time_buf1[2]==5||time_buf1[2]==7||time_buf1[2]==8
||time_buf1[2]==10||time_buf1[2]==12)
{if(--time_buf1[3]<1)time_buf1[3]=31;}else if(time_buf1[2]==2)
{if(--time_buf1[3]<1)time_buf1[3]=28;}else {if(--time_buf1[3]<1)time_buf1[3]=30;}} Ds1302_Write_Time();
break;
case 4:if((--time_buf1[4])<1)time_buf1[4]=23;Ds1302_Write_Time();break;
case 5:if((--time_buf1[5])<1)time_buf1[5]=59;Ds1302_Write_Time();break;
}
}
if(K3==0) //减
{
DelayMs(10);
if(K3==0)
switch(Adjust_Index)
{
case 1:time_buf1[1]++;Ds1302_Write_Time();break;
case 3:if(++time_buf1[2]>12)time_buf1[2]=1;Ds1302_Write_Time();break;
case 4:{if(time_buf1[2]==1||time_buf1[2]==3||time_buf1[2]==5||time_buf1[2]==7||time_buf1[2]==8
||time_buf1[2]==10||time_buf1[2]==12)
{if(++time_buf1[3]>31)time_buf1[3]=1;}else if(time_buf1[2]==2)
{if(++time_buf1[3]>28)time_buf1[3]=1;}else {if(++time_buf1[3]>30)time_buf1[3]=1;}}Ds1302_Write_Time();
break;
case 5:if(++time_buf1[4]>23)time_buf1[4]=0;Ds1302_Write_Time();break;
case 6:if(++time_buf1[5]>59)time_buf1[5]=0;Ds1302_Write_Time();break;
} }
if(K4==0) //确定
{
//while(K4==0);
DelayMs(10);
TR0=1;
if(K4==0)
{
Ds1302_Write_Time() ; //将调整后的时间写入DS1302
Adjust_Index=0;
}}
if(ReadTimeFlag==1) //定时读取ds1302 定时时间到则标志位置1，处理过时间参数标志位清零
{
ReadTimeFlag=0; //标志位清零
Ds1302_Read_Time(); temp1=ReadTemperature();
temperature=(float)temp1*0.0625+15;
sprintf(displaytemp,"%0.3f",temperature);//打印温度值
LCD_Write_String(12,1,displaytemp);
}
Ds1302_Read_Time();
LCD_Write_Char(0,0,(time_buf1[1]/10+0x30));
LCD_Write_Char(1,0,(time_buf1[1]%10+0x30));
LCD_Write_Char(2,0,'-');
LCD_Write_Char(3,0,(time_buf1[2]%10+0x30));
LCD_Write_Char(4,0,(time_buf1[2]/10+0x30));
LCD_Write_Char(5,0,'-');
LCD_Write_Char(6,0,(time_buf1[3]/10+0x30));
LCD_Write_Char(7,0,(time_buf1[3]%10+0x30));
LCD_Write_Char(0,1,(time_buf1[4]/10+0x30));
LCD_Write_Char(1,1,(time_buf1[4]%10+0x30));
LCD_Write_Char(2,1,':');
LCD_Write_Char(3,1,(time_buf1[5]/10+0x30));
LCD_Write_Char(4,1,(time_buf1[5]%10+0x30));
LCD_Write_Char(5,1,':');
LCD_Write_Char(6,1,(time_buf1[6]/10+0x30));
LCD_Write_Char(7,1,(time_buf1[6]%10+0x30));
}
}
///*------------------------------------------------
// 定时器初始化子程序
//------------------------------------------------*/
void Init_Timer0(void)
{
TMOD |= 0x01; //使用模式1，16位定时器，使用"|"符号可以在使用多个定时器时不受影响
TH0=(65536-2000)/256; //重新赋值 2ms
TL0=(65536-2000)%256;
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
}
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