common.h

这个是录音琴的程序,用光电感应器来检测琴键的动作.并且将他记录下来,可以回放.

/*******************************Copyright (c)***************************************

        系统资源声明.

************************************************************************************/

#ifndef 	_COMMON_H_
#define	 	_COMMON_H_

/*---------------------------------------------------------------------------------*/
#include 	"REG52.H"
#include 	"ABSACC.H"
#include 	"intrins.h"
/*---------------------------------------------------------------------------------*/

typedef 	unsigned char      UBYTE;
typedef 	unsigned int       UHWORD;
typedef 	unsigned long      UWORD;

#define		NULL		   0
#define		true		   1
#define		false		   0
#define 	OFF     	   0
#define 	ON      	   1

#define 	HIGH(Val)	   (*((unsigned char*)(&(Val))))
#define 	LOW(Val)	   (*(((unsigned char*)(&(Val)))+1))

/*---------------------------------------------------------------------------------*/

#define		IrqEnable()	   (EA=1)
#define		IrqDisable()	   (EA=0)

/*---------------------------------------------------------------------------------*/

sfr 	P4   		= 0xE8;		//P4---控制
sfr 	AUXR   		= 0x8E;		//ALE--控制

sbit 	MIDI_INP_SEL	= P3^2;		//MIDI输入选择
sbit 	CTR_OUT_1   	= P3^3;		//MIDI输出选择1
sbit 	CTR_OUT_2  	= P3^4;		//MIDI输出选择2
sbit 	AUDIO_CTR_MUTE  = P3^5;		//声卡静音控制

sbit 	SPI_SCK 	= P4^0;		//串行闪存时钟
sbit 	SPI_SO  	= P4^1;		//串行闪存输出
sbit 	SPI_SI  	= P4^2;		//串行闪存输入
sbit 	SPI_CS 		= P4^3;		//串行闪存片选

sbit	USB_LED		= P1^5;		//LED指示灯
sbit	LED_WORK_CTR	= P1^5;		//LED指示灯
sbit	RAM_PAGE_LOW	= P1^6;		//RAM_A15
sbit	RAM_PAGE_HIG	= P1^7;		//RAM_A16

/*---------------------------------------------------------------------------------*/

#define		Led_On()		(LED_WORK_CTR=0)		//指示灯亮
#define		Led_Off()		(LED_WORK_CTR=1)		//指示灯灭
#define		Led_Flash()		(P1^=0x20)			//指示灯闪

#define		AUDIO_ON()		(AUDIO_CTR_MUTE=1)		//功放开
#define		AUDIO_OFF()		(AUDIO_CTR_MUTE=0)		//功放关

/*---------------------------------------------------------------------------------*/
#endif