gdic.h

关于XD256的应用实例,用于汽车电子开发之用

/*****************************************************
 gdic.h - Initializes the GDIC 
 ----------------------------------------------------
  
 *****************************************************/

#ifndef __GDIC_H_
#define __GDIC_H_

#include "hidef.h" /* this file declares symbols user by the CodeWarrior environment */

#define GDICLeft  0
#define GDICRight 1

#define LSmallGage 0
#define LLargeGage 1
#define RLargeGage 2
#define RSmallGage 3

#define GDICLCS  0x10		/* chip select for left GDIC */
#define GDICRCS  0x40		/* chip select for right GDIC */
#define GDICLRst 0x20		/* reset line for left GDIC */
#define GDICRRst 0x80		/* reset line for right GDIC */

/*  */

#define CnfgPECCRCmd 0x0000
#define StatusCmd    0x1000
#define MaxVelCmd    0x2000
#define Gage0PosCmd  0x4000
#define Gage1PosCmd  0x6000
#define RTZCmd       0x8000
#define RTZCnfgCmd   0xa000
#define RampSelCmd   0xc000

/* PECCR register bit definitions */

#define Pos0CCW     0x0000
#define Pos0CW      0x0080
#define Pos1CCW     0x0100
#define Pos1CW      0x0180
#define MMTMotor    0x0000
#define SwitecMotor 0x0040
#define AirCoreEmul 0x0020
#define ClkCalNom   0x0010
#define ClkCalMax   0x0000
#define EnClkCal    0x0008
#define AdjOsc      0x0004
#define EnableGage0 0x0001
#define EnableGage1 0x0002

#define PECCRConfgVal CnfgPECCRCmd + EnableGage0 + EnableGage1 + ClkCalNom + MMTMotor

#define PECCRStatusOut   0x0000
#define PECCRRTZAccOut   0x0800
#define PECCRGage0PosOut 0x0c00
#define PECCRGage1PosOut 0x0d00
#define PECCRSpeedOut    0x0e00

/* Velocity command register bits */

#define VelG0  0x0100
#define VelG1  0x0200
#define VelMax 0x00ff

/*  */

#define FastResponse 0x1000
#define FullSweep 4092

/* Device Status Register Bits */

#define DIR1  0x8000
#define DIR0  0x4000
#define ZPOS1 0x2000
#define ZPOS0 0x1000
#define CMD1  0x0800
#define CMD0  0x0400
#define OV    0x0200
#define UV    0x0100
#define CAL   0x0080
#define OVUV  0x0040
#define MOV1  0x0020
#define MOV0  0x0010
#define RTZ1  0x0008
#define RTZ0  0x0004
#define OT1   0x0002
#define OT0   0x0001

/* RTZ Register bit definitions */

#define RTZEnable 0x0002


void Delay_mSec(uint msec);

void GDICInit(void);

#endif