C51_LCD1602显示

#include

#define uchar unsigned char

#define uint unsigned int

sbit rs=P2^6;

sbit rw=P2^5;

sbit en=P2^7;

uchar shuma[10]={0x03,0x9f,0x25,0x0d,0x99,0x49,0x41,0x1f,0x01,0x09};

// 0 1 2 3 4 5 6 7 8

void delay(uchar a)

{

uint i,j;

for(i=0;i<=110;i++)

for(j=0;j<=a;j++);

}

void write_com(uchar com)

{

rs=0;

rw=0;

en=0;

P0=com;

en=1;

delay(10);

en=0;

}

void write_dat(uchar dat)

{

rs=1;

rw=0;

en=0;

P0=dat;

en=1;

delay(10);

en=0;

}

void init_ 1602()

{

write_com(0x38);

write_com(0x0c);

write_com(0x06);

write_com(0x01);

}

void main()

{

init_1602();

write_com(0x80+2);

write_dat(I);

write_com(0x80+4);

write_dat(a);

write_com(0x80+5);

write_dat(m);

write_com(0x80+7);

write_dat(i);

write_com(0x80+8);

write_dat(r);

write_com(0x80+9);

write_dat(o);

write_com(0x80+10);

write_dat(n);

write_com(0x80+12);

write_dat(m);

write_com(0x80+13);

write_dat(a);

write_com(0x80+14);

write_dat(n);