/*---------------------------------------------------------
液晶LCD1602C  使用4條數(shù)據(jù)線(D4~D7)
編譯器：ICC-AVR v6.31A 日期: 2007-11-24 20:29:57
目標(biāo)芯片 : M8
時(shí)鐘: 8.0000Mhz
作者：zhuhongfeng
-----------------------------------------------------------*/
/*-------------------------------------------------------------
LCD引腳定義
1---GND 
2---VCC
3---VO
4---RS
5---RW
6---EN
7到14--D0-D7
15--背景燈+
16--背景燈-
-----------------------------------------------------------------*/
#include <iom8v.h>
#include <macros.h>

/*---------------------------------------------------------------
下面是AVR與LCD連接信息
PD0 ->RS
PD2 ->EN
地  ->RW
PD4 ->D4
PD5 ->D5
PD6 ->D6
PD7 ->D7
要使用本驅(qū)動(dòng)，改變下面配置信息即可
-----------------------------------------------------------------*/
#define LCD_EN_PORT    PORTD   //以下2個(gè)要設(shè)為同一個(gè)口
#define LCD_EN_DDR     DDRD
#define LCD_RS_PORT    PORTD   //以下2個(gè)要設(shè)為同一個(gè)口
#define LCD_RS_DDR     DDRD
#define LCD_DATA_PORT  PORTD   //以下3個(gè)要設(shè)為同一個(gè)口
#define LCD_DATA_DDR   DDRD    //一定要用高4位
#define LCD_DATA_PIN   PIND
#define LCD_RS         (1<<PD0) //0x04   portA2       out
#define LCD_EN         (1<<PD2) //0x08   portA3       out
#define LCD_DATA       ((1<<PD4)|(1<<PD5)|(1<<PD6)|(1<<PD7)) //0xf0   portD4/5/6/7 out
/*--------------------------------------------------------------------------------------------------
函數(shù)說明
--------------------------------------------------------------------------------------------------*/
void LCD_init(void);
void LCD_en_write(void);
void LCD_write_command(unsigned  char command) ;
void LCD_write_data(unsigned char data);
void LCD_set_xy (unsigned char x, unsigned char y);
void LCD_write_string(unsigned char X,unsigned char Y,unsigned char *s);
void LCD_write_char(unsigned char X,unsigned char Y,unsigned char data);
void delay_nus(unsigned int n);
void delay_nms(unsigned int n);