interp_internal.hh

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/********************************************************************
* Description: interp_internal.hh
*
*   Derived from a work by Thomas Kramer
*
* Author:
* License: GPL Version 2
* System: Linux
*    
* Copyright (c) 2004 All rights reserved.
*
* Last change:
* $Revision: 1.32 $
* $Author: cradek $
* $Date: 2007/11/02 20:13:39 $
********************************************************************/
#ifndef INTERP_INTERNAL_HH
#define INTERP_INTERNAL_HH

#include "config.h"
#include <limits.h>
#include <stdio.h>
#include "canon.hh"
#include "libintl.h"
#define _(s) gettext(s)

/**********************/
/*   COMPILER MACROS  */
/**********************/

#define MAX(x, y)        ((x) > (y) ? (x) : (y))

#define round_to_int(x) ((int) ((x) < 0.0 ? ((x) - 0.5) : ((x) + 0.5)))
/* how far above hole bottom for rapid return, in inches */
#define G83_RAPID_DELTA 0.010


/* numerical constants */
#define TOLERANCE_INCH 0.0005
#define TOLERANCE_MM 0.005
/* angle threshold for concavity for cutter compensation, in radians */
#define TOLERANCE_CONCAVE_CORNER 0.05  
#define TOLERANCE_EQUAL 0.0001 /* two numbers compare EQ if the
				  difference is less than this */

#define TINY 1e-12              /* for arc_data_r */

// max number of m codes on one line
#define MAX_EMS  4

// English - Metric conversion (long number keeps error buildup down)
#define MM_PER_INCH 25.4
//#define INCH_PER_MM 0.039370078740157477

// on-off switch settings
#define OFF 0
#define ON 1

// feed_mode
enum feed_mode { UNITS_PER_MINUTE=0, INVERSE_TIME=1, UNITS_PER_REVOLUTION=2 };

// cutter radius compensation mode, OFF already defined to 0
// not using CANON_SIDE since interpreter handles cutter radius comp
#define RIGHT 1
#define LEFT 2

// spindle control modes
enum SPINDLE_MODE { CONSTANT_RPM, CONSTANT_SURFACE };

// unary operations
// These are not enums because the "&" operator is used in
// reading the operation names and is illegal with an enum

#define ABS 1
#define ACOS 2
#define ASIN 3
#define ATAN 4
#define COS 5
#define EXP 6
#define FIX 7
#define FUP 8
#define LN 9
#define ROUND 10
#define SIN 11
#define SQRT 12
#define TAN 13


// binary operations
#define NO_OPERATION 0
#define DIVIDED_BY 1
#define MODULO 2
#define POWER 3
#define TIMES 4
#define AND2 5
#define EXCLUSIVE_OR 6
#define MINUS 7
#define NON_EXCLUSIVE_OR 8
#define PLUS 9
#define RIGHT_BRACKET 10

/* relational operators (are binary operators)*/
#define LT 11
#define EQ 12
#define NE 13
#define LE 14
#define GE 15
#define GT 16
#define RELATIONAL_OP_FIRST 11
#define RELATIONAL_OP_LAST  16

// O code
#define O_none      0
#define O_sub       1
#define O_endsub    2
#define O_call      3
#define O_do        4
#define O_while     5
#define O_if        6
#define O_elseif    7
#define O_else      8
#define O_endif     9
#define O_break    10
#define O_continue 11
#define O_endwhile 12
#define O_return   13

// G Codes are symbolic to be dialect-independent in source code
#define G_0      0
#define G_1     10
#define G_2     20
#define G_3     30
#define G_4     40
#define G_10   100
#define G_17   170
#define G_18   180
#define G_19   190
#define G_20   200
#define G_21   210
#define G_28   280
#define G_30   300
#define G_33   330
#define G_33_1 331
#define G_38_2 382
#define G_40   400
#define G_41   410
#define G_41_1 411
#define G_42   420
#define G_42_1 421
#define G_43   430
#define G_43_1 431
#define G_49   490
#define G_50   500
#define G_51   510
#define G_53   530
#define G_54   540
#define G_55   550
#define G_56   560
#define G_57   570
#define G_58   580
#define G_59   590
#define G_59_1 591
#define G_59_2 592
#define G_59_3 593
#define G_61   610
#define G_61_1 611
#define G_64   640
#define G_76   760
#define G_80   800
#define G_81   810
#define G_82   820
#define G_83   830
#define G_84   840
#define G_85   850
#define G_86   860
#define G_87   870
#define G_88   880
#define G_89   890
#define G_90   900
#define G_91   910
#define G_92   920
#define G_92_1 921
#define G_92_2 922
#define G_92_3 923
#define G_93   930
#define G_94   940
#define G_95   950
#define G_96   960
#define G_97   970
#define G_98   980
#define G_99   990

// name of parameter file for saving/restoring interpreter variables
#define RS274NGC_PARAMETER_FILE_NAME_DEFAULT "rs274ngc.var"
#define RS274NGC_PARAMETER_FILE_BACKUP_SUFFIX ".bak"

// number of parameters in parameter table
#define RS274NGC_MAX_PARAMETERS 5400

// Subroutine parameters
#define INTERP_SUB_PARAMS 30
#define INTERP_OWORD_LABELS 1000
#define INTERP_SUB_ROUTINE_LEVELS 10
#define INTERP_FIRST_SUBROUTINE_PARAM 1

/**********************/
/*      TYPEDEFS      */
/**********************/

/* distance_mode */
typedef enum
{ MODE_ABSOLUTE, MODE_INCREMENTAL }
DISTANCE_MODE;

/* retract_mode for cycles */
typedef enum
{ R_PLANE, OLD_Z }
RETRACT_MODE;

typedef struct block_struct
{
  ON_OFF a_flag;
  double a_number;
  ON_OFF b_flag;
  double b_number;
  ON_OFF c_flag;
  double c_number;
  char comment[256];
  double d_number_float;
  ON_OFF d_flag;
  ON_OFF e_flag;
  double e_number;
  double f_number;
  int g_modes[15];
  ON_OFF h_flag;
  int h_number;
  ON_OFF i_flag;
  double i_number;
  ON_OFF j_flag;
  double j_number;
  ON_OFF k_flag;
  double k_number;
  int l_number;
  ON_OFF l_flag;
  int line_number;
  int motion_to_be;
  int m_count;
  int m_modes[11];
  int user_m;
  double p_number;
  ON_OFF p_flag;
  double q_number;
  ON_OFF r_flag;
  double r_number;
  double s_number;
  int t_number;
  ON_OFF u_flag;
  double u_number;
  ON_OFF v_flag;
  double v_number;
  ON_OFF w_flag;
  double w_number;
  ON_OFF x_flag;