用DS1302與1602LCD設(shè)計(jì)的可調(diào)式電子日歷與時(shí)鐘屏幕不顯示字符求指導(dǎo)

ID:137190 · 發(fā)表于 2016-9-9 01:09

單片機(jī)源程序如下:

#include<reg51.h>
#include<string.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit SDA=P1^0; //1302的IO口
sbit CLK=P1^1; //1302的時(shí)鐘線
sbit RST=P1^2; //1302的復(fù)位線
sbit RS=P2^0; //1602寄存器選擇
sbit RW=P2^1; //1602讀寫控制
sbit E=P2^2; //1602的啟動
sbit K1=P3^4; //調(diào)時(shí)選擇
sbit K2=P3^5; //加
sbit K3=P3^6; //減
sbit K4=P3^7; //確定
uchar tcount=0;
uchar monthsdays[]={0,31,0,31,30,31,30,31,31,30,31,30,31};
uchar*week[]={"SUN","MON","TUS","WEN","THU","FRI","SAT"};
uchar LCD_buffer1[]={"DATE 00-00-00 "};
uchar LCD_buffer2[]={"TIME 00-00-00 "};
uchar datetime[7];
char adjust_index=-1;
uchar change_flag[]="-MHDM-Y";
void delay(uint z);
void set_ds1302();
void gettime();
uchar read_date(uchar addr);
void write_ds1302(uchar addr,uchar dat);
void write_a_byte_to_ds1302(uchar x);
uchar get_a_byte_from_ds1302();
uchar read1602state();
void busy_wait();
void write_date(uchar dat);
void write_com(uchar cmd);
void init_lcd1602();
void set_weizhi(uchar p);
void display_string(uchar p,uchar*s);
void format_datetime(uchar d,uchar*a);
uchar runnian(uint y);
void refresh_week_day();
void datetime_adjust(char x);
/////////主程序
void main()
{
init_lcd1602();
IE=0x83;
IP=0x01;
IT0=1;
TMOD=0X01;
TH0=5000/256;
TL0=5000%256;
TR0=1;
while(1)
{
if(adjust_index==-1)
gettime();
}
}
/////////////////延時(shí)
void delay(uint z)
{
uchar i;
while(z--)
for(i=0;i<120;i++);
}
////////////設(shè)置時(shí)間
void set_ds1302()
{
uchar i;
write_ds1302(0x8e,0x00);
for(i=1;i<7;i++)
{
write_ds1302(0x80+2*i,(datetime[i]/10<<4)|(datetime[i]%10));
}
write_ds1302(0x8e,0x80);
}
/////////////讀取當(dāng)前日期時(shí)間
void gettime()
{
uchar i;
for(i=0;i<7;i++)
{
datetime[i]=read_date(0x81+2*i);
}
}
/////////////從1302指定位置讀數(shù)
uchar read_date(uchar addr)
{
uchar dat;
RST=0;
CLK=0;
RST=1;
write_a_byte_to_ds1302(addr);
dat=get_a_byte_from_ds1302();
CLK=1;
RST=0;
return dat;
}
//////////////向1302某地址寫數(shù)據(jù)
void write_ds1302(uchar addr,uchar dat)
{
CLK=0;
RST=1;
write_a_byte_to_ds1302(addr);
write_a_byte_to_ds1302(dat);
CLK=0;
RST=0;
}
/////////////向1302寫入一個(gè)字節(jié)
void write_a_byte_to_ds1302(uchar x)
{
uchar i;
for(i=0;i<8;i++)
{
SDA=x&0X01;
CLK=1;
CLK=0;
x>>=1;
}
}
/////////從1302中讀取一個(gè)字節(jié)
uchar get_a_byte_from_ds1302()
{
uchar i,b=0x00;
for(i=0;i<8;i++)
{
b=_crol_((uchar)SDA,i);
CLK=1;
CLK=0;
}
return b/16*10+b%16;
}
/////////讀1602狀態(tài)
uchar read1602state()
{
uchar state;
RS=0;
RW=1;
E=1;
delay(1);
state=P0;
E=0;
delay(1);
return state;
}
//1602忙等待
void busy_wait()
{
while((read1602state()&0x80)==0x80);
delay(5);
}
//向1602寫數(shù)據(jù)
void write_date(uchar dat)
{
busy_wait();
RS=1;
RW=0;
E=0;
P0=dat;
E=1;
delay(1);
E=0;
}
//////向1602寫指令
void write_com(uchar cmd)
{
busy_wait();
RS=0;
RW=0;
E=0;
P0=cmd;
delay(1);
E=0;
}
///1602初始化
void init_lcd1602()
{
write_com(0x38);
delay(1);
write_com(0x01);
delay(1);
write_com(0x06);
delay(1);
write_com(0x0c);
delay(1);
}
//設(shè)置1602顯示位置
void set_weizhi(uchar p)
{
write_com(p|0x80);
}
void display_string(uchar p,uchar*s)
{
uchar i;
set_weizhi(p);
for(i=0;i<16;i++)
{
write_date(s[i]);
delay(1);
}
}
//日期時(shí)間值轉(zhuǎn)化為數(shù)字字符
void format_datetime(uchar d,uchar*a)
{
a[0]=d/10+'0';
a[1]=d%10+'0';
}
///判斷閏年
uchar runnian(uint y)
{
return(y%4==0&&y%100!=0||(y%400==0));
}
///////求2000 1.1開始任何一天是星期幾
//////////求總天數(shù)后再求星期幾
void refresh_week_day()
{
uint i,d,w=5;
for(i=2000;i<2000+datetime[6];i++)
{
d=runnian(i)?366:365;
w=(w+d)%7;
}
d=0;
for(i=1;i<datetime[4];i++)
d+=monthsdays[i];
d+=datetime[3];
datetime[5]=(w+d)%7+1;
}
///調(diào)整處理
void EX_INT0() interrupt 0
{
if(K1==0)
{
while(K1==0);
if(adjust_index==-1||adjust_index==1)
adjust_index=7;
adjust_index--;
if(adjust_index==5)adjust_index=4;
LCD_buffer2[13]='[';
LCD_buffer2[14]=change_flag[adjust_index];
LCD_buffer2[15]=']';
}
else
if(K2==0)
{
while(K2==0);
datetime_adjust(1);
}
else
if(K3==0)
{
while(K3==0);
datetime_adjust(-1);
}
else
if(K4==0)
{
while(K4==0);
set_ds1302();
LCD_buffer2[13]=' ';
LCD_buffer2[14]=' ';
LCD_buffer2[15]=' ';
adjust_index=-1;
}
}
//分時(shí)日月年加減
void datetime_adjust(char x)
{
switch(adjust_index)
{
case 6:
if(x==1&&datetime[6]<99)datetime[6]++;
if(x==-1&&datetime[6]>0)datetime[6]--;
monthsdays[2]=runnian(2000+datetime[6]?29:28);
if(datetime[3]>monthsdays[datetime[4]])
datetime[3]=monthsdays[datetime[4]];
refresh_week_day();
break;
case 4:
if(x==1&&datetime[4]<12)
datetime[4]++;
if(x==-1&&datetime[4]>1)
datetime[4]--;
monthsdays[2]=runnian(2000+datetime[6])?29:28;
if(datetime[3]>monthsdays[datetime[4]])
datetime[3]=monthsdays[datetime[4]];
refresh_week_day();
break;
case 3:
monthsdays[2]=runnian(2000+datetime[6])?29:28;
if(x==1&&datetime[3]<monthsdays[datetime[4]])
datetime[3]++;
if(x==-1&&datetime[3]>0)
datetime[3]--;
refresh_week_day();
break;
case 2:
if(x==1&&datetime[2]<23)
datetime[2]++;
if(x==-1&&datetime[2]>0)
datetime[2]--;
break;
case 1:
if(x==1&&datetime[1]<59)
datetime[1]++;
if(x==-1&&datetime[1]>0)
datetime[1]--;
break;
}
}
void T0_INT() interrupt 1
{
TH0=5000/256;
TL0=5000%256;
if(++tcount!=2)return;
tcount=0;
format_datetime(datetime[6],LCD_buffer1+5);
format_datetime(datetime[4],LCD_buffer1+8);
format_datetime(datetime[3],LCD_buffer1+11);
strcpy(LCD_buffer1+13,week[datetime[5]-1]);
format_datetime(datetime[2],LCD_buffer2+5);
format_datetime(datetime[1],LCD_buffer2+8);
format_datetime(datetime[0],LCD_buffer2+11);
display_string(0x00,LCD_buffer1);
display_string(0x40,LCD_buffer2);
}

復(fù)制代碼

程序無法編譯,仿真也不顯示字符怎么辦?如何找錯(cuò)誤,求大神幫助
下載:

ID:157576 · 發(fā)表于 2016-12-27 21:10

LCD感覺像一個(gè)擺設(shè)啊

ID:167465 · 發(fā)表于 2017-3-2 22:28

為什么仿真不成功

ID:270105 · 發(fā)表于 2018-1-5 13:06

為什么LCD1602不顯示出時(shí)間啊？

ID:275761 · 發(fā)表于 2018-1-14 15:38

程序可以參考，但有些問題

ID:574538 · 發(fā)表于 2019-6-29 13:53

顯示器顯示不出來？

ID:763892 · 發(fā)表于 2020-6-2 14:37

416659851 發(fā)表于 2019-6-29 13:53
顯示器顯示不出來？

有修改好的程序和Proteus文件么

ID:490561 · 發(fā)表于 2026-1-9 12:53

#include<reg51.h>
#include<string.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int

#include "LCD1602.H"

uchar code mychar[8][8]={
0x08,0x0F,0x12,0x0F,0x0A,0x1F,0x02,0x02, //年 0x00
0x0F,0x09,0x0F,0x09,0x0F,0x09,0x13,0x00, //月 0x01
0x1F,0x11,0x11,0x1F,0x11,0x11,0x1F,0x00, //日 0x02
0x10,0x06,0x09,0x08,0x08,0x08,0x09,0x06, // ℃ 0x03
0x01,0x03,0x1D,0x11,0x1D,0x03,0x01,0x00,  //小喇叭標(biāo)記 0x04
0x1F,0x0A,0x0A,0x1F,0x0A,0x0A,0x1A,0x00,  // 開  0x05
0x11,0x0A,0x1F,0x04,0x1F,0x0A,0x11,0x00, // 關(guān)  0x06
0x04,0x0E,0x0E,0x0E,0x1F,0x1F,0x04,0x00,  // 鬧鐘標(biāo)記 0x07
};

///****************延時(shí)函數(shù)************************/
//void delay(uint i)
//{
//  while(--i);  //自減當(dāng)i為1時(shí)，跳出循環(huán)
//}

/****************側(cè)忙函數(shù)************************/
bit  ReadStatusLCD()
{
bit result;
LCD_RS = 0;
LCD_RW = 1;
LCD_E = 1;
  delay(50);
result = (bit)(LCD_Data&0x80);  //當(dāng)LCD_DATA&0x80不為0時(shí)result=1，否則result=0
LCD_E = 0;
return result;
}

/****************LCD1602寫指令函數(shù)************************/
/*
/*寫指令數(shù)據(jù)到LCD
/*RS=L，RW=L，E=高脈沖，D0-D7=指令碼。
/*
/*********************************************************/
void WriteCommandLCM(uchar WDLCD)
{
while(ReadStatusLCD());
  LCD_RS = 0; //表示向LCM寫入指令
  LCD_RW = 0; //表示向LCM寫入指令
  /****在高脈沖下命令輸入*****/
  LCD_E = 0;
delay(50);
  LCD_Data = WDLCD; //指令代碼
  delay(50);;
  LCD_E = 1;
  delay(50);
  LCD_E = 0;
}

/****************LCD1602寫數(shù)據(jù)函數(shù)************************/
/*
/*寫顯示數(shù)據(jù)到LCD
/*RS=H，RW=L，E=高脈沖，D0-D7=數(shù)據(jù)。
/*
/*******************************************************************/
void WriteDataLCM(uchar WDLCD)
{
while(ReadStatusLCD());
LCD_RS = 1;//寫數(shù)據(jù)使能
  LCD_RW = 0;
  /****在高脈沖下數(shù)據(jù)輸入*****/
  LCD_E = 0;
  LCD_Data = WDLCD;  //數(shù)據(jù)內(nèi)容
  delay(50);
  LCD_E = 1;
  delay(50);
  LCD_E = 0;
}

/****************CGRAM區(qū)寫入自定義的字符************************/
void WriteCGRAM(void)
{
uchar x,y;
WriteCommandLCM(0x40);
for(y = 0; y < 8; y++)
{
  for(x = 0; x < 8; x++)
{
   WriteDataLCM(mychar[y][x]); //寫入自定義漢字字模，作為臨時(shí)字庫。掉電會清除。
}
}
}

extern uchar code time0[];    //顯示日期字符串
extern uchar code time1[];    //顯示時(shí)間字符串
/****************初始化LCD1602函數(shù)************************/
void LCMInit(void)
{
  uchar i;
P2&=~0x10;
delay(50);
  WriteCommandLCM(0x38);//顯示模式設(shè)置
  delay(50);
  WriteCommandLCM(0x38);
  delay(50);
  WriteCommandLCM(0x38);
  WriteCommandLCM(0x08);//顯示關(guān)閉
  delay(50);
  WriteCommandLCM(0x01);//清除DDRAM的所有單元，光標(biāo)被移動到屏幕左上角，也就是清除屏幕內(nèi)容
  WriteCommandLCM(0x06);//光標(biāo)移動設(shè)置整屏不移動
  WriteCommandLCM(0x0c);//屏幕開、光標(biāo)不閃（0）不顯示（0）
  delay(50);
  WriteCommandLCM(0x80); //指定第一行
  for(i = 0;i < 16;i++)
  {
WriteDataLCM(time0[i]); //顯示字符日期
delay(5);
switch(i)
{
   case 4 : WriteDataLCM(0x00);break; //顯示自定義漢字年
case 6 : WriteDataLCM(0x01);break; //顯示自定義漢字月
case 8 : WriteDataLCM(0x02);break; //顯示自定義漢字日
}
  }
  WriteCommandLCM(0x80+0x40);  //指定第二行
  for(i = 0;i < 12;i++)
  {
WriteDataLCM(time1[i]); //顯示字符時(shí)間
delay(5);
  }
}

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用DS1302與1602LCD設(shè)計(jì)的可調(diào)式電子日歷與時(shí)鐘屏幕不顯示字符求指導(dǎo)

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用DS1302與1602LCD設(shè)計(jì)的可調(diào)式電子日歷與時(shí)鐘 屏幕不顯示字符 求指導(dǎo)

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用DS1302與1602LCD設(shè)計(jì)的可調(diào)式電子日歷與時(shí)鐘屏幕不顯示字符求指導(dǎo)