#include <stdio.h>
#include <math.h>
#include <reg52.h>
#include <string.h>
sbit RS =P2^6; //注意:一定要看12864液晶模块的资料,来确定怎样操作
sbit WRD=P2^5;
sbit E= P2^4;
sbit PSB=P2^7;
sbit RES=P2^3;
sbit x1=P1^2;
void TransferData(char data1,bit DI);
void delayms(unsigned int n);
void delay(unsigned int m);
void lcd_mesg(unsigned char code *addr1);
//下面来定义要显示的汉字,8*4
unsigned char code IC_DAT[]={
"世界您好! "
"程序初始化 "
" "
" "
};
unsigned char code IC_DAT2[]={
" "
" "
" 天若有情天亦老 "
" 月如无恨月常圆 "
};
void initinal(void) //初始化,12864有要求的要写上
{
delay(40);
PSB=1; //并口工作模式
delay(1);
RES=0; //复位
delay(1);
RES=1; //复位置高
delay(10);
TransferData(0x30,0);
delay(100);
TransferData(0x30,0);
delay(37);
TransferData(0x08,0);
delay(100);
TransferData(0x10,0);
delay(100);
TransferData(0x0C,0);
delay(100);
TransferData(0x01,0);
delay(10);
TransferData(0x06,0);
delay(100);
}
void main(void) //分两屏来不断显示上面定义的IC_DAT和IC_DAT2汉字
{ x1=0;
while(1)
{
initinal();//调用LCD字库初始化程序
delay(100);
lcd_mesg(IC_DAT);
delayms(240); //延时程序必要的,长与短,自己调节
delayms(240);
initinal();
delay(100);
lcd_mesg(IC_DAT2);
delayms(240);
delayms(240);
}
}
void lcd_mesg(unsigned char code *addr1) //显示汉字函数,8*4=32
{
unsigned char i;
TransferData(0x80,0);
delay(100);
for(i=0;i<32;i++)
{
TransferData(*addr1,1);
addr1++;
}
TransferData(0x90,0);
delay(100);
for(i=32;i<64;i++)
{
TransferData(*addr1,1);
addr1++;
}
}
void TransferData(char data1,bit DI) //传送数据或是命令,当DI=0时,传送命令,当DI=1时,传送数据
{
WRD=0;
RS=DI;
delay(1);
P0=data1;
E=1;
delay(1);
E=0;
}
void delayms(unsigned int n) //延时子程序
{
unsigned int i,j;
for(i=0;i<n;i++)
for(j=0;j<2000;j++);
}
void delay(unsigned int m)
{
unsigned int i,j;
for(i=0;i<m;i++)
for(j=0;j<10;j++);
}
这是从网上抄来的程序, |