?? 2-16.c
字號:
#include"reg51.h"
#include"address.h"
#define uchar unsigned char
void delay();
void initlcd();
void printf(const uchar *buff,uchar n);
void printscreen(const uchar *str1,const uchar *str2);
void printtext(uchar code *str);
void delay()
{
while(LCDIACOM&0x80);
}
void initlcd()
{
LCDICOM=0x01;delay();
LCDICOM=0x38;delay();
LCDICOM=0x0F;delay();
LCDICOM=0x06;delay();
LCDICOM=0x01;delay();
LCDICOM=0x80;delay();
}
void printf(uchar *buff,uchar n)
{
LCDICOM=0x80;delay();
{
if(!(*buff)) LCDIDATA=' ';
else LCDIDATA=*buff++;
delay();
}
}
void printscreen(uchar code *str1, uchar code *str2)
{
LCDICOM=0x01;delay();
LCDICOM=0x80;delay();//回車,清零
LCDIDATA=*str1; delay();
while(*++str1) {LCDIDATA=*str1; delay();}
LCDICOM=0xC0;delay();//回車,清零
LCDIDATA=*str2; delay();
while(*++str2) {LCDIDATA=*str2; delay(); }
}
void PrintUsb(uchar *buff,uchar n)
{
uchar i;
if(n==1){ LCDICOM=0x80;delay();}
if(n==2){ LCDICOM=0xc0;delay();}
for(i=0;i!=16;i++)
{
LCDIDATA=*buff++;
delay();
}
}
void printtext(uchar code *str)
{
uchar y,i=16;
unsigned int x;
while(1)
{
LCDICOM=0x01;delay();
LCDICOM=0x80;delay();//回車,清零
while(*str){LCDIDATA=*str++;delay();if(--i==0)break;}
i=16;
LCDICOM=0xC0;delay();//回車,清零
while(*str){LCDIDATA=*str++;delay();if(--i==0)break;}
i=16;
for(x=1000;x!=0;x--)for(y=200;y!=0;y--);
if(!(*str))return;
}
}
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