ATMEL MCU用于MP3播放系统的控制源代码程序

				/*H**************************************************************************
				* NAME:         lcd_drv.h         
				*----------------------------------------------------------------------------
				* Copyright (c) 2004 Toplow.
				*----------------------------------------------------------------------------
				* RELEASE:      snd1c-refd-nf-4_0_3      
				* REVISION:     1.0     
				*----------------------------------------------------------------------------
				* PURPOSE:
				* This file contains the LCD definition
				*****************************************************************************/
				
				#ifndef _LCD_DRV_H_
				#define _LCD_DRV_H_
				
				/*_____ I N C L U D E S ____________________________________________________*/
				
				
				/*_____ M A C R O S ________________________________________________________*/
				
				
				/*_____ D E F I N I T I O N ________________________________________________*/
				
				
				/*_____ D E C L A R A T I O N ______________________________________________*/
				
				#define  LCDPORT P4
				
				sbit LCDRS = P1^7;
				sbit LCDRW = P1^6;
				sbit LCDEN = P1^4;
				
				 
				#define putchar(a)  LCDRS = 1; LCDRW = 0; LCDEN = 1; LCDPORT = a; LCDEN = 0; LCDPORT = 0xff
				#define putcomm(a)  LCDRS = 0; LCDRW = 0; LCDEN = 1; LCDPORT = a; LCDEN = 0; LCDPORT = 0xff
				
				
				
				
				/*uchar code EMPT[]    = "                ";
				uchar code DISABLE[] = "无效";
				uchar code STOP[]    = "停止";
				uchar code PLAY[]    = "播放";
				uchar code PAUSE[]   = "暂停";
				uchar code RECORD[]  = "录音";
				uchar code ERROR[]   = "错误";
				uchar code SONG[]    = "歌曲";
				uchar code VOICE[]   = "声音";
				uchar code MASS[]    = "存储";
				uchar code TOOL[]    = "工具";
				uchar code VOL[]     = "VOL ";
				uchar code BASS[]    = "BAS ";
				uchar code MEDIUM[]  = "MED ";
				uchar code TREBLE[]  = "TRE ";  
				uchar code FATAL_SCREEN[] = "致命错误        ";
				
				uchar code SBC_INIT[] = "sbcinitok ";
				
				uchar code TEST[]  = "播放器测试程序  ";
				
				uchar code FIG[]="0123456789ABCDEF:";
				*/
				
				
				void ReadBusy(void);
				void lcd_ini(void);
				void printch(uchar pos, uchar *ptr);
				void lcdcls (uchar pos);
				void print_file_name();
				void print_sound_level();
				//void print_sound();
				void disp_clock_reset();
				void disp_clock_start();
				void print_state_play();
				void disp_clock_stop();
				void print_state_pause();
				void disp_name_stop();
				void disp_end_of_play();
				void print_state_error();
				void print_repeat(bit);
				void print_mode_mass();
				
				
				#endif  /* _LCD_DRV_H_ */