?? lcd1602_4bit.h
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//-----------------------------------------------------------------
// 名稱: 1602液晶頭文件
//-----------------------------------------------------------------
#define INT8U unsigned char
#define INT16U unsigned int
#define _XTAL_FREQ 1000000UL
//LCD命令
#define LCD_CLS 0x01
#define LCD_HOME 0x02
#define LCD_SETMODE 0x04
#define LCD_SETVISIBLE 0x08
#define LCD_SHIFT 0x10
#define LCD_SETFUNCTION 0x20
#define LCD_SETCGADDR 0x40
#define LCD_SETDDADDR 0x80
//LCD數據與方向端口定義
#define PORT_LCD_DAT PORTB
#define TRIS_LCD_DAT TRISB
//LCD控制引腳
#define RS RB0
#define RW RB1
#define E RB2
//-----------------------------------------------------------------
// 函數聲明
//-----------------------------------------------------------------
void LCD_Initialize();
void LCD_BUSY_WAIT();
void ClearScreen();
void Write_LCD_Command (char data);
void Write_LCD_Data(char data);
void Set_LCD_POS(INT8U r, INT8U c);
void LCD_ShowString(INT8U r, INT8U c,char *str);
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