单片机单词记忆器

ID:217468 · 发表于 2017-7-5 20:28

#include<reg51.h>
char word0[15]="H.I.T.  CHINA";
char word1[10][10]={"ice","flower","water","grass","sun","moon","air",
                     "family","word","mother"};
  char num;
int i,j,a;
  j=0;
i=0;
sbit Icden=P3^5;
sbit Icdrs=P3^4;
void delay(int z)
{
int x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void write_com(char com)
{
  Icdrs=0;
  P0=com;
  delay(5);
  Icden=1;
  delay(5);
  Icden=0;
}
void write_data(char date)
{
Icdrs=1;
P0=date;
delay(5);
Icden=1;
delay(5);
Icden=0;
}
void init()
{
Icden=0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80+0x01);
}
void main()
{
init();
delay(100);

for(num=0;num<15;num++)
         {
         write_data(word0[num]);
         delay(20);
         }
a=P1;
switch(a)
{
  case0xfe: {write_com(2);
         write_com(0x80+0x40);
         for(num=0;num<10;num++)
         {
         write_data(word1[i][num]);
         i++;
         j++;
         delay(20);
         }
         }
         break;
  case0xfd:{ write_com(2);
         write_com(0x80+0x40);
         for(num=0;num<10;num++)
         {
         write_data(word1[i][num]);
         i++;
         delay(20);
         }
         }
         break;
  case0xfb:{write_com(2);
         write_com(0x80+0x40);
         --i;
         for(num=0;num<10;num++)
         {
         write_data(word1[i][num]);
         }
         }
         break;
  case0xf7:{write_com(2);
         write_com(0x80+0x40);
         ++i;
         for(num=0;num<10;num++)
         {
         write_data(word1[i][num]);
         }
         }
         break;
}
}

ID:217518 · 发表于 2017-7-6 01:17

麻烦删一下

帐号		自动登录	找回密码
密码			立即注册