/*************** writer:shopping.w ******************/
#include <reg52.h>
#include <string.h>
#define uchar unsigned char
#define uint unsigned int
void Initialize_LCD();
void ShowString(uchar,uchar,uchar *);
sbit K1 = P3^0;
sbit K2 = P3^1;
sbit K3 = P3^2;
uchar code Prompt[]="PRESS K1--K4 TO START DEMO PROG";
uchar const Line_Count = 6;
uchar code Msg[][80]=
{
"Many CAD users dismiss",
"process of creating PCB",
"of view.with PCB layout",
"placement and track routing,",
"can often be the most time",
"And if you use circuit simulation",
"you are going to spend even more"
};
uchar Disp_Buffer[32];
void Delayxms(uint ms)
{
uchar i;
while(ms--)
{
for(i=0;i<120;i++);
}
}
void V_Scroll_Display()
{
uchar i,j,k = 0;
uchar *p = Msg[0];
uchar *q = Msg[Line_Count] + strlen(Msg[Line_Count]);
while(p<q)
{
for(i=0;(i<16)&&(p<q);i++)
{
if(((i==0)||(i==15))&& *p == ' ')
p++;
if(*p != '\0')
{
Disp_Buffer[i] = *p++;
}
else
{
if(++k>Line_Count)
break;
p = Msg[k];
Disp_Buffer[i] = *p++;
}
}
for(j=i;j<16;j++)
Disp_Buffer[j]=' ';
while(F0)
Delayxms(5);
ShowString(0,0," ");
Delayxms(150);
while(F0)
Delayxms(5);
ShowString(0,1,Disp_Buffer);
Delayxms(150);
while(F0)
Delayxms(5);
ShowString(0,0,Disp_Buffer);
ShowString(0,1," ");
Delayxms(150);
}
ShowString(0,0," ");
ShowString(0,1," ");
}
void H_Scroll_Display()
{
uchar m,n,t = 0,L=0;
uchar *p = Msg[0];
uchar *q = Msg[Line_Count] + strlen(Msg[Line_Count]);
for(m=0;m<16;m++)
Disp_Buffer[m]=' ';
while(p<q)
{
if((m=16||m==31)&& *p == ' ')
p++;
for(m=16;m<32&&p<q;m++)
{
if(*p != '\0')
{
Disp_Buffer[m] = *p++;
}
else
{
if(++t>Line_Count)
break;
p = Msg[t];
Disp_Buffer[m] = *p++;
}
}
for(n=m;n<32;n++)
Disp_Buffer[n]=' ';
for(m=0;m<=16;m++)
{
while(F0)
Delayxms(5);
ShowString(0,L,Disp_Buffer+1);
while(F0)
Delayxms(5);
Delayxms(20);
}
L = (L==0)? 1:0;
Delayxms(200);
}
if(L==1)
ShowString(0,1," ");
}
void EX_INT0() interrupt 0
{
F0 = !F0;
}
void main()
{
uint Count = 0;
IE = 0x81;
IT0 = 1;
F0 = 0;
Initialize_LCD();
ShowString(0,0,Prompt);
ShowString(0,1,Prompt+16);
while(1)
{
if(K1 == 0)
{
V_Scroll_Display();
Delayxms(200);
}
else if(K2 == 0)
{
H_Scroll_Display();
Delayxms(200);
}
}
}
基于C51实现的12 1602字符液晶滚动演示程序.zip （22个子文件） 
基于C51实现的12 1602字符液晶滚动演示程序 
code.rar 22KB
1602字符液晶滚动演示程序.DSN 39KB Keil C 1602字符液晶滚动演示.hex 5KB 1602字符液晶滚动演示 13KB code 12.Opt 1KB 12.Uv2 2KB STARTUP.LST 13KB LCD1602.OBJ 5KB 12.M51 17KB main.OBJ 11KB 12.lnp 65B LCD1602.c 1KB STARTUP.A51 6KB LCD1602.LST 3KB main.LST 7KB 12.hex 5KB 12 14KB STARTUP.OBJ 749B 12.plg 3KB main.c 2KB 1602字符液晶滚动演示程序.PWI 768B Last Loaded 1602字符液晶滚动演示程序.DBK 84KB资源评论
