1602.h

pcf8563 51单片机

//#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit lcden=P3^4;
sbit lcdrs=P3^5;
sbit dula=P2^6;
sbit wela=P2^7;

void delay2(uint z)
{
  uint x,y;
  for(x=z;x>0;x--)
      for(y=110;y>0;y--);
}
void write_com(uchar com)
{ lcdrs=0;
  P0=com;
  delay2(5);
  lcden=1;
  delay2(5);
  lcden=0;    
 
}

void write_data(uchar date)
{ lcdrs=1;
  P0=date;
  delay2(5);
  lcden=1;
  delay2(5);
  lcden=0;    
 
}
void init()
{
 dula=0;
 wela=0;
 lcden=0;
 write_com(0x38);
 write_com(0x0f);
 write_com(0x06);
 write_com(0x01);
 write_com(0x80);


}