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#include<reg51.h>
void enable(void);
void writeaddr(unsigned char m);
void writedata(unsigned char m);
void selfdata(unsigned char m,unsigned char a);
void init(void);
unsigned char writestring(unsigned char m);
unsigned char move(unsigned char m);
void delay10ms(unsigned char time);
void shift(unsigned char s,unsigned char n);
sbit P27=P2^7;
sbit P25=P2^5;
sbit P26=P2^6;
sbit P37=P3^7;
unsigned char s=0xc0;
unsigned char code table[8][8]={
0x02,0x02,0x0A,0x0A,0x0A,0x04,0x08,0x1F,/***第一個自定義字符
***/0x04,0x1F,0x15,0x15,0x17,0x05,0x04,0x1F,
0x02,0x04,0x0C,0x14,0x04,0x04,0x04,0x1F,
0x14,0x3F,0x15,0x15,0x14,0x11,0x1F,0x1F,
0x04,0x08,0x3F,0x0A,0x04,0x0A,0x11,0x1F,
0x1E,0x0A,0x0F,0x01,0x1F,0x01,0x03,0x1F,
0x00,0x00,0x07,0x05,0x07,0x00,0x00,0x1F,
0x04,0x0A,0x11,0x0E,0x00,0x0E,0x0A,0x0E};
unsigned char code string[]={"oh!wa!wa!wa!"};
main()
{
init();
while(1)
{
selfdata(0x80,1);
selfdata(0x81,2);
selfdata(0x82,1);
selfdata(0x83,2);
selfdata(0x84,1);
selfdata(0x85,2);
shift(s,1);
} }
void delay10ms(unsigned char time)
{
unsigned char a,b,c;
for(a=0;a<time;a++)
for(b=0;b<10;b++)
for(c=0;c<120;c++);
}
void enable(void)
{
P27=1;
P27=0;
}
void LCD_BZ(void)
{ P25=0;
P26=1;
P27=0;
P3=0xFF;
for(P27=1;P37==1; P27=~P27,P27=~P27);
}
void writeaddr(unsigned char m)
{ LCD_BZ();
P25=0;
P26=0;
P3=m;
enable();
}
void writedata(unsigned char m)
{ LCD_BZ();
P25=1;
P26=0;
P3=m;
enable(); }
void init(void)
{ writeaddr(0x01);
writeaddr(0x0c);
writeaddr(0x38);
writeaddr(0x06);
}
void selfdata(unsigned char m,unsigned char a)
{ unsigned char n;
n=a-1;
switch(n)
{
case 0:writeaddr(0x40);break;
case 1:writeaddr(0x48);break;
case 2:writeaddr(0x50);break;
case 3:writeaddr(0x58);break;
case 4:writeaddr(0x60);break;
case 5:writeaddr(0x68);break;
case 6:writeaddr(0x70);break;
case 7:writeaddr(0x78);break;
}
for(a=0;a<8;a++)
writedata(table[n][a]);
writeaddr(m);
writedata(n);
}
unsigned char writestring(unsigned char m)
{ unsigned char a=0,*n=string;
writeaddr(m);
for(;*n!=0;n++)
{
writedata(*n);
a++; }
return(a); }
unsigned char move(unsigned char m)
{ static char d=1;
unsigned char c,all,*p=string,n=0;
delay10ms(50);
writeaddr(0x01);
all=writestring(m+=1);
if(m+all>0xd0)
{
writeaddr(0xc0);
c=d;
for(n=(m+all-0xd0);n!=0;n--)
{
writedata(*(p+all-d));
--d;
}
d=c;
d++;
if(d==all+1)
{
d=1;
m=0xc0;
}
}
s=m+1;
return(m); }
void shift(unsigned char s,unsigned char n)
{ s-=1;
for(;n!=0;n--)
move(s);
}

復制代碼