lcd.h

NT7532驱动的LCD与AVR单片机接口源代码,C语言编写

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#include <iom8515v.h>


#ifndef  _LCD_H_
#define  _LCD_H_


/*定义LCD控制信号线*/
/*ｌｃｄ数据输出端口,Ａ口,高低位倒置*/
//#define	　　　 LCD_PORT    PORTA        
/*Lcd读信号置高电平*/
	   
#define        SetLcdRd_L()		PORTE=PORTE&0x05
/*Lcd读信号置低电平*/
#define        SetLcdRd_H()		PORTE=PORTE|0x02
#define        SetLcdWr_L()		PORTE=PORTE&0x03
#define        SetLcdWr_H()		PORTE=PORTE|0x04
#define        SetLcdRes_L()	PORTC=PORTC&0xBF
#define        SetLcdRes_H()	PORTC=PORTC|0x40
#define        SetLcdA0_L()		PORTC=PORTC&0x7F
#define        SetLcdA0_H()		PORTC=PORTC|0x80
#define        SetLcdCs_L()		PORTB=PORTB&0xFD				
#define        SetLcdCs_H()		PORTB=PORTB|0x02




void Lcd_Init(void);
void Write_Data(unsigned char x,unsigned char y,unsigned char d);
unsigned char Read_Data(unsigned char x,unsigned char y);
void Write_command(unsigned char command);
unsigned char Read_Stat(void);
unsigned char Read_Command(void);
void clear_line(unsigned char line);
void Lcd_Reset();
void Set_Power();
void Set_Register(unsigned char regvalue);
void Set_Volume(unsigned char VolValue);
void Set_EntireOn(unsigned char on);
#endif