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標(biāo)題: 1602液晶顯示“HELLO EVERYONE”程序 [打印本頁]

作者: niuniu 時間: 2015-3-24 23:26
標(biāo)題: 1602液晶顯示“HELLO EVERYONE”程序

#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar code table[]="HELLO EVERYONE";
sbit lcden=P3^4;
sbit lcdrs=P3^5;
sbit dula=P2^6;
sbit wela=P2^7;
uchar num;
void delayms(uint xms)
{
  uint i,j;
  for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void writecom(uint com)
{
  lcdrs=0;
  P0=com;
  delayms(5);
  lcden=1;
  delayms(5);
  lcden=0;
}
void writedata(uint date)
{
  lcdrs=1;
  P0=date;
  delayms(5);
  lcden=1;
  delayms(5);
  lcden=0;
}
void initial()
{
  dula=0;
  wela=0;
  lcden=0;
  writecom(0x38);
  writecom(0x0c);
  writecom(0x06);
  writecom(0x01);
}
void main()
{
  initial();
  writecom(0x80);
  for(num=0;num<14;num++)
  {
writedata(table[num]);
delayms(50);
  }
  while(1);
}

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