DS1302时钟中怎么加入按键调时功能?

发布网友发布时间：2022-07-18 05:07

共3个回答

热心网友时间：2023-10-09 14:34

#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit SCK=P3^6;
sbit SDA=P3^4;
sbit RST=P3^5;// DS1302复位
sbit set=P3^0;//定义按键端口
sbit s1=P3^1;
sbit s2=P3^2;
sbit s3=P3^3;
/************液晶口定义*******/
sbit RS=P2^4;//RS为数据/指令选择1/0
sbit RW=P2^5;//读写
sbit E=P2^6;//E为使能信号
bit flag;//是否读取时间的标志位
uchar setn=0;//复位键、增加键、减少键按下次数
uchar code time0[]="DATE: - - ";
uchar code time1[]="TIME: : : ";
uchar l_tmpdate[7]=;//秒分时日月周年// 可随时更改
uchar code write_add[7]={0x80,0x82,0x84,0x86,
0x88,0x8a,0x8c}; //秒分时日月周年写的寄存器地址
uchar code read_add[7]={0x81,0x83,0x85,0x87,
0x89,0x8b,0x8d}; //秒分时日月周年读的寄存器地址
uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d
,0x7d,0x07,0x7f,0x6f,0x40}; //共阴数码管 0-9加'-'熄灭表
void delay(uint z)
{
while(--z);
}
void write_com(uchar com)//液晶写命令函数
{
RS=0;//写命令使能
RW=0;//写
delay(5000);
/****在高脉冲下命令输入*****/
E=0;
P0=com;
delay(500);
E=1;
delay(500);
E=0;
}
void write_data(uchar dat)//液晶写数据函数
{
RS=1;//写数据使能
RW=0;
delay(5000);
/****在高脉冲下数据输入*****/
E=0;
P0=dat;
delay(500);
E=1;
delay(500);
E=0;
}
void init()//液晶初始化
{
uchar num;
E=0;
write_com(0x38);//显示模式设置
delay(500);
write_com(0x38);
delay(500);
write_com(0x38);
write_com(0x08);//显示关闭
delay(500);
write_com(0x01);//显示清屏
write_com(0x06);//光标移动设置整屏不移动
write_com(0x0c);//屏幕开、光标不闪（0）不显示（0）
delay(500);
write_com(0x80);
for(num=0;num<16;num++)
{
write_data(time0[num]);
delay(5);
}
write_com(0x80+0x40);
for(num=0;num<13;num++)
{
write_data(time1[num]);
delay(5);
}
}
void Write_Ds1302_Byte(uchar temp) //写一个字节
{
uchar i;
for (i=0;i<8;i++) //循环8次写入数据
{
SCK=0;
SDA=temp&0x01; //每次传输低字节
temp>>=1; //右移一位
SCK=1;
}
}
/****************************************************************************/
void Write_Ds1302(uchar add,uchar dat )//向寄存器写数据
{
RST=0;
_nop_();
SCK=0;
_nop_();
RST=1;//启动
_nop_();
Write_Ds1302_Byte(add); //发送地址
Write_Ds1302_Byte(dat); //发送数据
RST=0; //恢复
}
uchar Read_Ds1302_Byte()//读一个字节
{
uchar i,temp=0x00;
for (i=0;i<8;i++) //循环8次读取数据
{
if(SDA)
temp|=0x80; //每次传输低字节
SCK=0;
temp>>=1; //右移一位
SCK=1;
}
return(temp);
}
uchar Read_Ds1302(uchar address )//从寄存器读数据
{
uchar date;
RST=0;
_nop_();
SCK=0;
_nop_();
RST=1;
_nop_();
Write_Ds1302_Byte(address);
date=Read_Ds1302_Byte();
RST=0;
_nop_(); //以下为DS1302复位的稳定时间
RST=0;
SCK=0;
_nop_();
SCK=1;
_nop_();
SDA=0;
_nop_();
SDA=1;
_nop_();
return (date);
}
/*********************************************************/
void Read_RTC(void) //读取日历
{
uchar i,*p;
p=read_add; //读的地址传递
for(i=0;i<7;i++) //分7次读取秒分时日月周年
{
l_tmpdate[i]=Read_Ds1302(*p);
p++;
}
}
/******************************************************/
void Set_RTC(void) //设定日历
{
uchar i,*p,tmp;
for(i=0;i<7;i++)
{ //BCD处理,将十六进制转换成十进制
tmp=l_tmpdate[i]/10;
l_tmpdate[i]=l_tmpdate[i]%10;
l_tmpdate[i]=l_tmpdate[i]+tmp*16;
}
Write_Ds1302(0x8E,0X00);//关闭写保护
p=write_add;//传要写的寄存器地址
for(i=0;i<7;i++) //7次写入秒分时日月周年
{
Write_Ds1302(*p,l_tmpdate[i]);
p++;
}
Write_Ds1302(0x8E,0x80);//打开写保护
}
void write_lcd()
{
static uchar i,temp[2];
switch(i)
{
case 0: write_com(0x80+0x40+0x0b);break;//秒
case 1: write_com(0x80+0x40+8);break;//分
case 2: write_com(0x80+0x40+5);break;//时
case 3: write_com(0x80+0x0b);break;//日
case 4: write_com(0x80+8);break;//月
case 5: write_com(0x80+0x0e);break;//星期
case 6: write_com(0x80+5);break;//年
}
temp[0]=l_tmpdate[i]/16;//数据的转换
temp[1]=l_tmpdate[i]&0x0f;
write_data(0x30+temp[0]);
write_data(0x30+temp[1]);
i++;
if(i==7)
i=0;
}
uchar change(uchar x)//十进制转换成十六进制
{
uchar tep,y;
y=x;
tep=y/16;
y=y%16;
y=y+tep*10;
return y;
}
void keyscan()
{

uchar tem[2],tp,Flag;//存储要更改的时间数据
if(set==0)
{
flag=1;//时间停止
delay(500);//去键盘按下抖动
if(set==0)
{
delay(500);
while(!set);
delay(500);//去键盘抬起时抖动
while(!set);
delay(500);
setn++;
if(setn==1)
{
write_com(0x80+0x40+12);//将光标移动到秒个位
write_com(0x0f);//显示光标并且闪烁

}
if(setn==2)
{
write_com(0x80+0x40+9);//将光标移动到分个位
write_com(0x0f);//显示光标并且闪烁
}
if(setn==3)
{

write_com(0x80+0x40+6);//将光标移动到时个位
write_com(0x0f);//显示光标并且闪烁
}
if(setn==4)
{
write_com(0x80+15);
write_com(0x0f);
}
if(setn==5)
{
write_com(0x80+12);
write_com(0x0f);
}
if(setn==6)
{
write_com(0x80+9);
write_com(0x0f);
}
if(setn==7)
{
write_com(0x80+6);
write_com(0x0f);
}
if(setn==8)
{
setn=0;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[0],l_tmpdate[0]);
Write_Ds1302(0x8E,0x80);//打开写保护
flag=0;//时钟正常运行
write_com(0x0c);//光标停止闪烁
}
}

}
if(setn!=0)//更改时间
{
if(s1==0)//增加时间
{
delay(5000);
if(s1==0)
{

while(!s1);
delay(5000);//去键盘抬起时抖动
while(!s1);
if(setn==1)
{
l_tmpdate[0]=change(l_tmpdate[0]);
l_tmpdate[0]++;
if(l_tmpdate[0]>=60)
l_tmpdate[0]=0;
{
tp=l_tmpdate[0]/10;
l_tmpdate[0]=l_tmpdate[0]%10;
l_tmpdate[0]=l_tmpdate[0]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[0],l_tmpdate[0]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
write_com(0x80+0x40+11);
tem[0]=l_tmpdate[0]/16;//数据的转换
tem[1]=l_tmpdate[0]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+0x40+12);
Flag=1;
}
if(setn==2)
{ l_tmpdate[1]=change(l_tmpdate[1]);
l_tmpdate[1]++;
if(l_tmpdate[1]==60)
l_tmpdate[1]=0;
{
tp=l_tmpdate[1]/10;
l_tmpdate[1]=l_tmpdate[1]%10;
l_tmpdate[1]=l_tmpdate[1]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[1],l_tmpdate[1]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
write_com(0x80+0x40+8);
tem[0]=l_tmpdate[1]/16;//数据的转换
tem[1]=l_tmpdate[1]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+0x40+9);
}
if(setn==3)
{ l_tmpdate[2]=change(l_tmpdate[2]);
l_tmpdate[2]++;
if(l_tmpdate[2]>=24)
l_tmpdate[2]=0;
{
tp=l_tmpdate[2]/10;
l_tmpdate[2]=l_tmpdate[2]%10;
l_tmpdate[2]=l_tmpdate[2]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[2],l_tmpdate[2]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
write_com(0x80+0x40+5);
tem[0]=l_tmpdate[2]/16;//数据的转换
tem[1]=l_tmpdate[2]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+0x40+6);
}
if(setn==4)
{
l_tmpdate[5]=change(l_tmpdate[5]);
l_tmpdate[5]++;
if(l_tmpdate[5]==8)
l_tmpdate[5]=1;
{
tp=l_tmpdate[5]/10;
l_tmpdate[5]=l_tmpdate[5]%10;
l_tmpdate[5]=l_tmpdate[5]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[5],l_tmpdate[5]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
write_com(0x80+14);
tem[0]=l_tmpdate[5]/16;//数据的转换
tem[1]=l_tmpdate[5]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+15);
}

if(setn==5)
{
l_tmpdate[3]=change(l_tmpdate[3]);
l_tmpdate[3]++;
if(l_tmpdate[3]==32)
l_tmpdate[3]=0;
{
tp=l_tmpdate[3]/10;
l_tmpdate[3]=l_tmpdate[3]%10;
l_tmpdate[3]=l_tmpdate[3]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[3],l_tmpdate[3]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
write_com(0x80+11);
tem[0]=l_tmpdate[3]/16;//数据的转换
tem[1]=l_tmpdate[3]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+12);
}
if(setn==6)
{
l_tmpdate[4]=change(l_tmpdate[4]);
l_tmpdate[4]++;
if(l_tmpdate[4]==13)
l_tmpdate[4]=0;
write_com(0x80+8);
{
tp=l_tmpdate[4]/10;
l_tmpdate[4]=l_tmpdate[4]%10;
l_tmpdate[4]=l_tmpdate[4]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[4],l_tmpdate[4]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
tem[0]=l_tmpdate[4]/16;//数据的转换
tem[1]=l_tmpdate[4]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+9);
}
if(setn==7)
{
l_tmpdate[6]=change(l_tmpdate[6]);
l_tmpdate[6]++;
if(l_tmpdate[6]==100)
l_tmpdate[6]=0;
write_com(0x80+5);
{
tp=l_tmpdate[6]/10;
l_tmpdate[6]=l_tmpdate[6]%10;
l_tmpdate[6]=l_tmpdate[6]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[6],l_tmpdate[6]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
tem[0]=l_tmpdate[6]/16;//数据的转换
tem[1]=l_tmpdate[6]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+6);
}
}
}
if(s2==0)//减少时间
{
delay(5000);
if(s2==0)
{
while(!s2);
delay(5000);//去键盘抬起时抖动
while(!s2);
if(setn==1)
{
l_tmpdate[0]=change(l_tmpdate[0]);
if(l_tmpdate[0]!=0)
l_tmpdate[0]--;
if(l_tmpdate[0]==0)
l_tmpdate[0]=59;
{
tp=l_tmpdate[0]/10;
l_tmpdate[0]=l_tmpdate[0]%10;
l_tmpdate[0]=l_tmpdate[0]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[0],l_tmpdate[0]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
write_com(0x80+0x40+11);
tem[0]=l_tmpdate[0]/16;//数据的转换
tem[1]=l_tmpdate[0]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+0x40+12);
}
if(setn==2)
{
l_tmpdate[1]=change(l_tmpdate[1]);
if(l_tmpdate[1]!=0)
l_tmpdate[1]--;
if(l_tmpdate[1]==0)
l_tmpdate[1]=59;
{
tp=l_tmpdate[1]/10;
l_tmpdate[1]=l_tmpdate[1]%10;
l_tmpdate[1]=l_tmpdate[1]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[1],l_tmpdate[1]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
write_com(0x80+0x40+8);
tem[0]=l_tmpdate[1]/16;//数据的转换
tem[1]=l_tmpdate[1]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+0x40+9);
}
if(setn==3)
{ l_tmpdate[2]=change(l_tmpdate[2]);
if(l_tmpdate[2]!=0)
l_tmpdate[2]--;
if(l_tmpdate[2]==0)
l_tmpdate[2]=23;
{
tp=l_tmpdate[2]/10;
l_tmpdate[2]=l_tmpdate[2]%10;
l_tmpdate[2]=l_tmpdate[2]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[2],l_tmpdate[2]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
write_com(0x80+0x40+5);
tem[0]=l_tmpdate[2]/16;//数据的转换
tem[1]=l_tmpdate[2]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+0x40+6);
}
if(setn==4)
{
l_tmpdate[5]=change(l_tmpdate[5]);
if(l_tmpdate[5]!=0)
l_tmpdate[5]--;
if(l_tmpdate[5]==0)
l_tmpdate[5]=7;
{
tp=l_tmpdate[5]/10;
l_tmpdate[5]=l_tmpdate[5]%10;
l_tmpdate[5]=l_tmpdate[5]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[5],l_tmpdate[5]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
write_com(0x80+14);
tem[0]=l_tmpdate[5]/16;//数据的转换
tem[1]=l_tmpdate[5]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+15);
}
if(setn==5)
{
l_tmpdate[3]=change(l_tmpdate[3]);
if(l_tmpdate[3]!=0)
l_tmpdate[3]--;
if(l_tmpdate[3]==0)
l_tmpdate[3]=31;
{
tp=l_tmpdate[3]/10;
l_tmpdate[3]=l_tmpdate[3]%10;
l_tmpdate[3]=l_tmpdate[3]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[3],l_tmpdate[3]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
write_com(0x80+11);
tem[0]=l_tmpdate[3]/16;//数据的转换
tem[1]=l_tmpdate[3]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+12);
}
if(setn==6)
{
l_tmpdate[4]=change(l_tmpdate[4]);
if(l_tmpdate[4]!=0)
l_tmpdate[4]--;
if(l_tmpdate[4]==0)
l_tmpdate[4]=12;
write_com(0x80+8);
{
tp=l_tmpdate[4]/10;
l_tmpdate[4]=l_tmpdate[4]%10;
l_tmpdate[4]=l_tmpdate[4]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[4],l_tmpdate[4]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
tem[0]=l_tmpdate[4]/16;//数据的转换
tem[1]=l_tmpdate[4]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+9);
}
if(setn==7)
{
l_tmpdate[6]=change(l_tmpdate[6]);
if(l_tmpdate[6]!=0)
l_tmpdate[6]--;
if(l_tmpdate[6]==0)
l_tmpdate[6]=99;
write_com(0x80+5);
{
tp=l_tmpdate[6]/10;
l_tmpdate[6]=l_tmpdate[6]%10;
l_tmpdate[6]=l_tmpdate[6]+tp*16;
Write_Ds1302(0x8E,0X00);//关闭写保护
Write_Ds1302(write_add[6],l_tmpdate[6]);
Write_Ds1302(0x8E,0x80);//打开写保护
}
tem[0]=l_tmpdate[6]/16;//数据的转换
tem[1]=l_tmpdate[6]&0x0f;
write_data(0x30+tem[0]);
write_data(0x30+tem[1]);
write_com(0x80+6);
}
}
}
}
}
/*******************************************************/
void main(void)
{
//Set_RTC();//在第一次使用时给ds1302赋初值
init();
while(1)
{
if(flag==0)
{
Read_RTC();
write_lcd();
}
keyscan();
}
}

热心网友时间：2023-10-09 14:35

将现在的数据读出，调节后再送进去就OK了。http://user.qzone.qq.com/314625433/infocenter 我空间有程序。

热心网友时间：2023-10-09 14:35

是不是调时的时候，重新初始化，应该是