servo.h

一个不错的硬盘播放器程序,包含VFD显示程序,红外线遥控程序,硬盘读写程序,及解码程序等.

/* SCCSID @(#)servo.h	1.3 11/24/97 */
/*
 * $Log$
 */

#ifndef __SERVO_H__
#define __SERVO_H__

#ifdef SERVO
#include "common.h"

EXPORT	void	SERVO_init(void);
EXPORT	void	SERVO_interrupt_service(void);
EXPORT	void	SERVO_service(void);

#if 1

/********************************************************
            variable for servo
*********************************************************/

#define SET_MLT  	SET_EAUX6
#define SET_MDAT 	SET_EAUX5
#define SET_MCLK 	SET_EAUX0
#define SET_XRST 	SET_EAUX4
#define SET_LDON 	SET_EAUX10
#define SET_MUTE 	SET_AUX3
#define SET_REV  	SET_EAUX7
#define SET_FWD  	SET_EAUX2

#define CLEAR_MLT  	CLEAR_EAUX6
#define CLEAR_MDAT 	CLEAR_EAUX5
#define CLEAR_MCLK 	CLEAR_EAUX0
#define CLEAR_XRST 	CLEAR_EAUX4
#define CLEAR_LDON 	CLEAR_EAUX10
#define CLEAR_MUTE 	CLEAR_AUX3
#define CLEAR_REV  	CLEAR_EAUX7
#define CLEAR_FWD  	CLEAR_EAUX2

#define TRISTATE_FOK    TRISTATE_EAUX1
#define TRISTATE_SENSE  TRISTATE_EAUX3
#define TRISTATE_CLOSE  TRISTATE_EAUX9
#define TRISTATE_OPEN   TRISTATE_EAUX8
#define TRISTATE_LKFS   TRISTATE_AUX0
#define TRISTATE_LIMIT  TRISTATE_EAUX11

#define FOK_HIGH        EAUX1_HIGH
#define SENSE_HIGH      EAUX3_HIGH
#define CLOSE_HIGH      EAUX9_HIGH
#define OPEN_HIGH       EAUX8_HIGH
#define LKFS_HIGH       AUX0_HIGH
#define LIMIT_HIGH      EAUX11_HIGH

#define FOK_LOW         (!FOK_HIGH)
#define SENSE_LOW       (!SENSE_HIGH)
#define CLOSE_LOW       (!CLOSE_HIGH)
#define OPEN_LOW        (!OPEN_HIGH)
#define LKFS_LOW        (!LKFS_HIGH)
#define LIMIT_LOW       (!LIMIT_HIGH)

#define job_sledin 	0x00
#define job_focus  	0x01
#define job_clvon  	0x02
#define job_stop   	0x03

/*
 * Q code information
 */
#define SERVO_QCTRADD  0
#define SERVO_QTRACK   1
#define SERVO_QPOINT   2
#define SERVO_QRMIN    3
#define SERVO_QRSEC    4
#define SERVO_QRFRAME  5
#define SERVO_QZERO    6
#define SERVO_QPMIN    7
#define SERVO_QPSEC    8
#define SERVO_QPFRAME  9

/*
 * SERVO mode information 
 */
#define SERVO_IDLE              0
#define SERVO_STOP              1
#define SERVO_OPEN              2
#define SERVO_CLOSE             3
#define SERVO_PLAY              4
#define SERVO_PAUSE             5
#define SERVO_RELEASEPAUSE      6
#define SERVO_RECOVER           7
#define SERVO_SEARCH            8

#endif

#endif SERVO

#endif /* __SERVO_H__ */