1602._h

用AVRmega8515编写的lcd1602显示程序

#include<iom8515v.h>
#include <macros.h>
#define  uchar unsigned char
#define  uint  unsigned int

#define RS_1602 PD5
#define RW_1602 PD6
#define E_1602  PD7

#define SET_RS_1602  PORTD |=(1<< RS_1602)
#define SET_RW_1602  PORTD |=(1<< RW_1602)
#define SET_E_1602  PORTD |=(1<< E_1602)

#define CLR_RS_1602 PORTD &=~(1<<RS_1602)
#define CLR_RW_1602 PORTD &=~(1<<RW_1602)
#define CLR_E_1602 PORTD &=~(1<<E_1602)