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標(biāo)題: 單片機(jī)+lcd1602修改時間和年月日出現(xiàn)問題 [打印本頁]

作者: 我是caiji 時間: 2020-5-3 23:32
標(biāo)題: 單片機(jī)+lcd1602修改時間和年月日出現(xiàn)問題
為什么我想修改第一行的年月日，按下y1，光標(biāo)直接跳到第二行上不來了，控制年月日的按鍵都沒用，請教大佬們要怎么修改，謝謝

單片機(jī)源程序如下:
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit en=P3^4;
sbit rs=P3^5;
sbit s1=P3^0;
sbit s2=P3^1;
sbit s3=P2^0;
sbit s4=P2^1;
sbit dula=P2^6;
sbit wela=P2^7;
sbit y1=P3^3;
sbit y2=P2^2;
sbit y3=P2^4;
char shi,fen,miao;//char??-128~127
char nian,yue,ri;
uchar count,s1num,y1num; //uchar??0~255
uchar code table[]="  2020-05-03 SUN";
uchar code table1[]=" 00:00:00";
void write_com(uchar com);
void write_date(uchar date);
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
  for(y=110;y>0;y--);
}
void write_com(uchar com)
{
rs=0;
en=0;
P0=com;
delay(5);
en=1;
delay(5);
en=0;
}
void write_date(uchar date)
{
rs=1;
en=0;
P0=date;
delay(5);
en=1;
delay(5);
en=0;
}
void init()
{
uchar num;
dula=0;
wela=0;
num=0;
en=0;
TMOD=0X01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80);
for(num=0;num<16;num++)
  {
  write_date(table[num]);
  delay(5);
  }
write_com(0x80+0x40);
for(num=0;num<12;num++)
  {
  write_date(table1[num]);
  delay(5);
  }
}
void write_nyr(uchar add1,uchar date1)
{
uchar shi1,ge1;
shi1=date1/10;
ge1=date1%10;
write_com(0x80+add1);
write_date(0x30+shi1);
write_date(0x30+ge1);
}
void write_sfm(uchar add,uchar date)//?????????
{ uchar shi,ge;
shi=date/10;
ge=date%10;
write_com(0x80+0x40+add);
write_date(0x30+shi);
write_date(0x30+ge);
}
void keyscan()
{
if(y1==0)
{
delay(5);
if(y1==0)
{
  y1num++;
  while(!y1);
  if(y1num==1)
  {
write_com(0x80+0+11);
write_com(0x0f);
  }
  if(y1num==2)
  {
write_com(0x80+0+8);

  }
  if(y1num==3)
  {
write_com(0x80+0+5);

  }
}
if(y1num!=0)
{
  if(y2==0)
  {
delay(5);
if(y2==0)
{
while(!y2);
if(y1num==1)
{
   ri++;
   if(ri==30)
   ri=0;
   write_nyr(12,ri);
   write_com(0x80+0+12);
}
if(y1num==2)
{
   yue++;
   if(yue==12)
   yue=0;
   write_nyr(9,yue);
   write_com(0x80+0+9);
}
if(y1num==3)
{
   nian++;
   if(nian==99)
   nian=0;
   write_nyr(6,nian);
   write_com(0x80+0+6);
}
}
  }
}
if(y3==0)
{
  delay(5);
  if(y3==0)
  {
while(!y3);
if(y1num==1)
{
ri--;
if(ri==-1)
   ri=30;
write_nyr(12,ri);
write_com(0x80+0+12);
}
if(y1num==2)
{
yue--;
if(yue==-1)
   yue=12;
write_nyr(9,yue);
write_com(0x80+0+9);
}
if(y1num==3)
{
nian--;
if(nian==-1)
   nian=30;
write_nyr(6,nian);
write_com(0x80+0+6);
}
  }
}
}
}
void main()
{
init();
while(1)
{
  keyscan();
}
}

void timer0() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
count++;
  if(count==20)
  {
count=0;
miao++;
if(miao==60)
{
miao=0;
fen++;
if(fen==60)
{
fen=0;
shi++;
if(shi==24)
   {
   shi=0;
   }
   write_sfm(4,shi);
}
write_sfm(7,fen);
}
write_sfm(10,miao);
  }
}

作者: wulin 時間: 2020-5-4 09:10
這個示例比較適合樓主目前的學(xué)習(xí)進(jìn)度

LCD1602萬年歷仿真.zip (153.36 KB, 下載次數(shù): 25)

作者: 我是caiji 時間: 2020-5-4 16:20

wulin 發(fā)表于 2020-5-4 09:10
這個示例比較適合樓主目前的學(xué)習(xí)進(jìn)度

已下載謝謝

作者: xnt951 時間: 2020-5-4 19:18
好牛逼啊樓主

歡迎光臨 (http://www.torrancerestoration.com/bbs/)