lcd1602.h

LCD1602程序例子,学习适用显示屏例子

#define LCD_DATA_PORT    PORTB
#define LCD_DATA_DDR     DDRB
#define LCD_DATA_PIN	 PINB
#define LCD_RS          (1<<PB1)   //portC0         out
#define LCD_RW          (1<<PB2)   //portC1         out/in
#define LCD_EN          (1<<PB3)   //portC1         out/in
#define LCD_DATA		0XF0
#define LCD_DATA_OU		 LCD_DATA_DDR |=  LCD_DATA		 
#define LCD_DATA_IN		 LCD_DATA_DDR &= ~LCD_DATA
#define LCD_DATA_CLR		 LCD_DATA_PORT &= ~LCD_DATA
#define LCD_RS_H		 LCD_DATA_PORT |=  LCD_RS	
#define LCD_RS_L		 LCD_DATA_PORT &= ~LCD_RS	
#define LCD_RW_H		 LCD_DATA_PORT |=  LCD_RW
#define LCD_RW_L		 LCD_DATA_PORT &= ~LCD_RW
#define LCD_EN_H		 LCD_DATA_PORT |=  LCD_EN
#define LCD_EN_L		 LCD_DATA_PORT &= ~LCD_EN