不知道哪里出了问题，LCD有显示但是按键不能进行校准，闹钟响程序也不会写，求大神...

ID:321480 · 发表于 2018-5-3 18:50

#include <reg51.h>
#include <intrins.h>

#define uchar unsigned char
#define uint unsigned int
#define LCD1602_DATAPINS P0
sbit DSIO=P3^4;
sbit RST=P3^5;
sbit SCLK=P3^6;
sbit beep=P1^5;
sbit LCD1602_E=P2^7;
sbit LCD1602_RW=P2^5;
sbit LCD1602_RS=P2^6;
sbit s1=P2^0;  //s1为功能键
sbit s2=P2^1; //s2为增加键
sbit s3=P2^2; //s3为减少键
int i, t0_num,s1num,rd,flag_ri,flag,count;    //flag_ri为闹钟响标志，flag为时间调整标志
uchar year,month,day,week,sec,min,hou,c_day,c_week,c_month,c_year,c_sec,c_min,c_hou;
uchar code READ_RTC_ADDR[7] = {0x81, 0x83, 0x85, 0x87, 0x89, 0x8b, 0x8d};
uchar code WRITE_RTC_ADDR[7] = {0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c};
uchar TIME[7] = {0, 0, 0x00, 0x01, 0x01, 0x01, 0x18};
uchar CLOCK[3]={0x00,0x01,0x00};
void Ds1302ReadTime();//hanshushengming
void LcdWriteCom(uchar com) ;

void delay(unsigned int i) //延时程序
{
char j;
for(i; i > 0; i--)
      for(j = 200; j > 0; j--);
}

void init()
{
flag=0;    //时间调整标志
s1num=0;    //s1按下的次数
flag_ri=0;    //闹钟响标志

}
void Ds1302Write(uchar addr, uchar dat)    //
{
uchar n;
RST = 0;
_nop_();//延时一个机器周期的意思

SCLK = 0;//先将SCLK置低电平。
_nop_();
RST = 1; //然后将RST(CE)置高电平。
_nop_();

for (n=0; n<8; n++)//开始传送八位地址命令
{
DSIO = addr & 0x01;//数据从低位开始传送
addr >>= 1;
SCLK = 1;//数据在上升沿时，DS1302读取数据
_nop_();
SCLK = 0;
_nop_();
}
for (n=0; n<8; n++)//写入8位数据
{
DSIO = dat & 0x01;
dat >>= 1;
SCLK = 1;//数据在上升沿时，DS1302读取数据
_nop_();
SCLK = 0;
_nop_();
}

RST = 0;//传送数据结束
_nop_();
}
uchar Ds1302Read(uchar addr)
{
uchar n,dat,dat1;
RST = 0;
_nop_();

SCLK = 0;//先将SCLK置低电平。
_nop_();
RST = 1;//然后将RST(CE)置高电平。
_nop_();

for(n=0; n<8; n++)//开始传送八位地址命令
{
DSIO = addr & 0x01;//数据从低位开始传送
addr >>= 1;
SCLK = 1;//数据在上升沿时，DS1302读取数据
_nop_();
SCLK = 0;//DS1302下降沿时，放置数据
_nop_();
}
_nop_();
for(n=0; n<8; n++)//读取8位数据
{
dat1 = DSIO;//从最低位开始接收
dat = (dat>>1) | (dat1<<7);
SCLK = 1;
_nop_();
SCLK = 0;//DS1302下降沿时，放置数据
_nop_();
}

RST = 0;
_nop_(); //以下为DS1302复位的稳定时间,必须的。
SCLK = 1;
_nop_();
DSIO = 0;
_nop_();
DSIO = 1;
_nop_();
return dat;
}
void Ds1302Init() //1302初始化
{
uchar n;
Ds1302Write(0x8E,0X00);    //禁止写保护，就是关闭写保护功能
for (n=0; n<7; n++)//写入7个字节的时钟信号：分秒时日月周年
{
Ds1302Write(WRITE_RTC_ADDR[n],TIME[n]);

}
Ds1302Write(0x8E,0x80);    //打开写保护功能
Ds1302ReadTime();

}
void Ds1302ReadTime()
{
uchar n;
for (n=0; n<7; n++)//读取7个字节的时钟信号：分秒时日月周年
{
TIME[n] = Ds1302Read(READ_RTC_ADDR[n]);
}

}

         /* readbyteds1302()    //从ds1302读一个字节
{
uchar i;
uchar tempdata;
for(i=0;i<8;i++)
{
      // if(DSIO)
//    tempdata=(tempdata>>1)|0x80;
// else
// tempdata>>=1;
if(DSIO)
tempdata|=(1<<i); //读到高电平，置位相应位
else
   tempdata&=(~(1<<i));    //读到低电平，清零相应位
     SCLK=0;
SCLK=1;
}
return tempdata;
}
   writebyteds1302(uchar ds1302dat)    //向ds1302写入一个字节
   {
     uchar i;
uchar tempdata=ds1302dat;
   for(i=8;i>0;i--)
   {
     DSIO=tempdata&&0x01;
tempdata>>=1;
SCLK=0;
SCLK=1;
}
return tempdata;}    */


void LcdWriteCom(uchar com)    //写入命令
{
LCD1602_E = 0;    //使能清零
LCD1602_RS = 0;    //选择写入命令
LCD1602_RW = 0;    //选择写入

LCD1602_DATAPINS = com; //由于4位的接线是接到P0口的高四位，所以传送高四位不用改
delay(1);

LCD1602_E = 1;    //写入时序
delay(1);
LCD1602_E = 0;

// Lcd1602_Delay1ms(1);
LCD1602_DATAPINS = com << 4; //发送低四位
delay(1);

LCD1602_E = 1;    //写入时序
delay(1);
LCD1602_E = 0;
}
void LcdInit()    //LCD初始化子程序
{
LcdWriteCom(0x32);    //将8位总线转为4位总线
LcdWriteCom(0x28);    //在四位线下的初始化
LcdWriteCom(0x0c);  //开显示不显示光标
LcdWriteCom(0x06);  //写一个指针加1
LcdWriteCom(0x01);  //清屏
LcdWriteCom(0x80);  //设置数据指针起点
}
void LcdWriteData(uchar dat) //写入数据
{
LCD1602_E = 0;    //使能清零
LCD1602_RS = 1;    //选择写入数据
LCD1602_RW = 0;    //选择写入

LCD1602_DATAPINS = dat; //由于4位的接线是接到P0口的高四位，所以传送高四位不用改
delay(5);

LCD1602_E = 1;    //写入时序
delay(5);
LCD1602_E = 0;

LCD1602_DATAPINS = dat << 4; //写入低四位
delay(5);

LCD1602_E = 1;    //写入时序
delay(5);
LCD1602_E = 0;
}
               void Lcddisplay()
            {
LcdWriteCom(0x80+0X40);    //第二行显示
LcdWriteData('0'+TIME[2]/16); //时的高位
LcdWriteData('0'+(TIME[2]&0x0f)); //时的低位
LcdWriteData('-');    //显示时-分-秒的连接符
LcdWriteData('0'+TIME[1]/16); //分
LcdWriteData('0'+(TIME[1]&0x0f));
LcdWriteData('-');
LcdWriteData('0'+TIME[0]/16); //秒
LcdWriteData('0'+(TIME[0]&0x0f));

LcdWriteCom(0x80);    //1602第一行显示
LcdWriteData('2');
LcdWriteData('0');
LcdWriteData('0'+TIME[6]/16); //年
LcdWriteData('0'+(TIME[6]&0x0f));
LcdWriteData('-');
LcdWriteData('0'+TIME[4]/16); //月
LcdWriteData('0'+(TIME[4]&0x0f));
LcdWriteData('-');
LcdWriteData('0'+TIME[3]/16); //日
LcdWriteData('0'+(TIME[3]&0x0f));
switch('0'+TIME[5])
{
case '1':LcdWriteCom(0x80+13);//0x80+13意思为在第一行第13列开始显示星期几
LcdWriteData('M');
LcdWriteData('o');
LcdWriteData('n');
break;
case '2':LcdWriteCom(0x80+13);
LcdWriteData('T');
LcdWriteData('u');
LcdWriteData('e');
break;
case '3':LcdWriteCom(0x80+13);
LcdWriteData('W');
LcdWriteData('e');
LcdWriteData('d');
break;
case '4':LcdWriteCom(0x80+13);
LcdWriteData('T');
LcdWriteData('h');
LcdWriteData('u');
break;
case '5':LcdWriteCom(0x80+13);
LcdWriteData('F');
LcdWriteData('r');
LcdWriteData('i');
break;
case '6':LcdWriteCom(0x80+13);
LcdWriteData('S');
LcdWriteData('a');
LcdWriteData('t');
break;
case '7':LcdWriteCom(0x80+13);
LcdWriteData('S');
LcdWriteData('u');
LcdWriteData('n');
break;
}

LcdWriteCom(0x80+0x40+8);
LcdWriteData('0'+(CLOCK[2]/16));    //显示闹钟时高位
LcdWriteData('0'+(CLOCK[2]&0x0f));
LcdWriteData('-');
LcdWriteData('0'+CLOCK[1]/16);
LcdWriteData('0'+(CLOCK[1]&0x0f));
LcdWriteData('-');
LcdWriteData('0'+CLOCK[0]/16);
LcdWriteData('0'+(CLOCK[0]&0x0f));
}

void write1(uchar add,uchar dat)    //写时分秒函数
{
char former,latter;
   former=dat/10;
   latter=dat%10;
   LcdWriteCom(0x80+0X40+add);
   LcdWriteData(0x30+former);
   LcdWriteData(0x30+latter);
   }
void write2(uchar add,uchar dat)    //写年月日函数
{
char former,latter;
      former=dat/10;
latter=dat%10;
LcdWriteCom(0x80+add);
LcdWriteData(0x30+former);
      LcdWriteData(0x30+latter);
      }
void write3(char dat) //星期函数
{ LcdWriteCom(0x80+13);
switch(dat)
{ case 1: LcdWriteData('M');
LcdWriteData('o');
LcdWriteData('n');
break;
case 2: LcdWriteData('T');
LcdWriteData('u');
LcdWriteData('e');
break;
case 3: LcdWriteData('W');
LcdWriteData('e');
LcdWriteData('d');
break;
case 4: LcdWriteData('T');
LcdWriteData('h');
LcdWriteData('u');
break;
case 5: LcdWriteData('F');
LcdWriteData('r');
LcdWriteData('i');
break;
case 6: LcdWriteData('S');
LcdWriteData('a');
LcdWriteData('t');
break;
case 7: LcdWriteData('S');
LcdWriteData('u');
LcdWriteData('n');
break;
}
}
void keyscan() //键盘扫描函数
{
     /* if(flag_ri==1)    //闹钟响标志flag_ri
{
   if((s1==0)||(s2==0)||(s3==0))    //如果任意一个按键按下
{
delay(10);    //去抖动
if((s1==0)||(s2==0)||(s3==0)) //在此判断是否按键真正按下
{
   while(!(s1&&s2&&s3));    //检测是否松手
   beep=0;
        flag_ri=0;
     }
}
      }  */
            if(s1==0)    //s1按下
{
delay(10); //去抖
if(s1==0) //再次判断s1是否真正按下
{
delay(10);
while(!s1);
s1num++;
flag=1;
switch(s1num)
      {
case 1:LcdWriteCom(0x80+0X40);//光标定位到“时”
              LcdWriteCom(0x0f); //光标闪烁0000 1111 /0000 1DCB D为开显示C为显示光标B为光标闪烁

   break;
case 2: LcdWriteCom(0x80+0X40+3);//光标定位到“分”
      LcdWriteCom(0x0f);

break;
case 3: LcdWriteCom(0x80+0X40+6);//光标定位到“秒”
LcdWriteCom(0x0f);

break;
case 4: LcdWriteCom(0x80);//光标定位到“年”
LcdWriteCom(0x0f);

break;
case 5: LcdWriteCom(0x80+5);//光标定位到“月”
LcdWriteCom(0x0f);

break;
case 6: LcdWriteCom(0x80+8);//光标定位到“日”
LcdWriteCom(0x0f);
   delay(1000);
break;
case 7: LcdWriteCom(0x80+13);//光标定位到“周”
LcdWriteCom(0x0f);

break;
case 8: LcdWriteCom(0x80+0x40+8);//光标定位到闹钟的时
           LcdWriteCom(0x0f);

break;
case 9: LcdWriteCom(0x80+0x40+11);//光标定位到闹钟的分
           LcdWriteCom(0x0f);

break;
case 10: LcdWriteCom(0x80+0x40+14);//光标定位到闹钟的秒
           LcdWriteCom(0x0f);

break;
case 11:LcdWriteCom(0x01);//清全屏
           LcdWriteCom(0x0c); //关闪烁

Ds1302Write(0x8E,0X00);    //禁止写保护，就是关闭写保护功能
Ds1302Write(0x80, sec);
Ds1302Write(0x82,min);
Ds1302Write(0x84,hou);
Ds1302Write(0x86,day);
Ds1302Write(0x88,month);
Ds1302Write(0x8a,week);
Ds1302Write(0x8c,year);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;
flag=0;
}
}
   if(s1num!=0)    //    按下s1之后才能进行时间的加减
   {
   if(s2==0)
   {
      delay(10);    // 去抖
if(s2==0)
Ds1302Write(0x8E,0X00);    //禁止写保护，就是关闭写保护功能
while(!s2==0);
switch(s1num)
{
      case 1:hou++;
if(hou==24)
   hou=0;
LcdWriteCom(0x80);
write1(0,hou);
Ds1302Write(0x84,hou);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;

case 2:min++;
if(min==60)
   min=0;
LcdWriteCom(0x80+0X40+3);
write1(3,min);
Ds1302Write(0x82,min);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;
case 3:sec++;
if(sec==60)
   sec=0;
LcdWriteCom(0x80+0X40+6);
write1(6,sec);
Ds1302Write(0x80,sec);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;
case 4:year++;
if(year==100)
   year=0;
LcdWriteCom(0x80);
write2(0,year);
Ds1302Write(0x8c,year);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;
case 5:month++;
if(month==13)
   month=1;
LcdWriteCom(0x80+5);
write2(5,month);
Ds1302Write(0x88,month);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;
case 6:day++;
if(day==32)
   day=0;
LcdWriteCom(0x80+8);
write2(8,day);
Ds1302Write(0x86,day);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;

case 7:week++;
if(week==8)
   week=1;
LcdWriteCom(0x80+13);
write3(week);
Ds1302Write(0x8a,week);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;
   case 8:c_hou++;
if(c_hou==24)
   hou=0;
LcdWriteCom(0x80+0x40+8);
write1(8,hou);
Ds1302Write(0x8E,0x80);    //打开写保护功能

break;
case 9:c_min++;
if(c_min==60)
   c_min=0;
LcdWriteCom(0x80+0X40+11);
write1(11,c_min);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;

case 10:c_sec++;
if(c_sec==60)
   c_sec=0;
LcdWriteCom(0x80+0X40+14);
write1(14,c_sec);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;

}
      }
   if(s3==0)
   {
      delay(10);    // 去抖
if(s3==0)
Ds1302Write(0x8E,0X00);    //禁止写保护，就是关闭写保护功能
while(!s3==0);

switch(s1num)
   { case 1:hou--;
if(hou==-1)
   hou=23;
LcdWriteCom(0x80);
write1(0,hou);
Ds1302Write(0x84,hou);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;
case 2:min--;
if(min==-1)
   min=59;
LcdWriteCom(0x80+0X40+3);
write1(3,min);
Ds1302Write(0x82,min);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;

case 3:sec--;
if(sec==-1)
   sec=59;
LcdWriteCom(0x80+0X40+6);
write1(6,sec);
Ds1302Write(0x80,sec);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;
case 4:year--;
if(year==-1)
   year=99;
LcdWriteCom(0x80);
write1(0,year);
Ds1302Write(0x8c,year);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;
case 5:month--;
if(month==0)
   month=11;
LcdWriteCom(0x80+5);
write2(5,month);
Ds1302Write(0x88,month);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;
case 6:day--;
if(day==0)
   day=31;
LcdWriteCom(0x80+8);
write2(8,day);
Ds1302Write(0x86,day);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;

case 7:week--;
if(week==0)
   week=7;
LcdWriteCom(0x80+13);
write3(week);
Ds1302Write(0x8a,week);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;
case 8:hou--;
if(hou==-1)
   hou=23;
LcdWriteCom(0x80+0x40+8);
write1(8,c_hou);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;
case 9:c_min--;
if(min==-1)
   min=59;
LcdWriteCom(0x80+0X40+11);
      write1(11,c_min);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;

case 10:c_sec--;
if(c_sec==-1)
   c_sec=59;
LcdWriteCom(0x80+0X40+14);
write1(14,c_sec);
Ds1302Write(0x8E,0x80);    //打开写保护功能
break;

   }
        }
}
}
}
void main ()
   {
      init();
LcdInit();
Ds1302Init();
      while(1)
{
if(flag_ri==1)
{
beep=1;
delay(60000);
beep=0;
}
Ds1302ReadTime();
Lcddisplay(); //初始时刻
keyscan();
if(flag==0&&flag_ri==0)
{
keyscan();
   }
      Ds1302ReadTime();
                     /* if(sec==c_sec)
   {
   if(min==c_min)
{
if(hou==c_hou)
{ flag_ri=1;
                                 beep=1;
delay(60000); //响一分钟
beep=0;
   keyscan();
}
}

} */
}
}

ID:321557 · 发表于 2018-5-3 20:16

硬件电路看看

ID:321480 · 发表于 2018-5-4 09:09

yunlong136 发表于 2018-5-3 20:16
硬件电路看看

用的是普中的开发板

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