src/yarf.h

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/*
 * yarf.h
 *
 * Copyright 2011 Pieter Agten
 *
 * This file is part of Yarf.
 *
 * Yarf is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Yarf is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Yarf.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef YARF_H
#define YARF_H

#include "config.h"
#include "boards.h"

#define NUM_AXES  4

#define NUM_POS_AXES  3

#define X_AXIS     0

#define Y_AXIS     1

#define Z_AXIS     2

#define E_AXIS     3


#define X_AXIS_POS X_AXIS

#define Y_AXIS_POS Y_AXIS

#define Z_AXIS_POS Z_AXIS

#define E_AXIS_POS E_AXIS

#define X_AXIS_NEG 4

#define Y_AXIS_NEG 5

#define Z_AXIS_NEG 6

#define E_AXIS_NEG 7

#define X_MM_PER_STEP      (1.0/X_STEPS_PER_MM)

#define Y_MM_PER_STEP      (1.0/Y_STEPS_PER_MM)

#define Z_MM_PER_STEP      (1.0/Z_STEPS_PER_MM)

#define E_MM_PER_STEP      (1.0/E_STEPS_PER_MM)


/* Extruder feed rate calculations */

#define R_IN  (FD/2)

#define R_OUT (ED/2)

#define FILAMENT_INPUT_AREA (M_PI * R_IN * R_IN)

#define FILAMENT_OUTPUT_AREA (M_PI * R_OUT * R_OUT)

#define FL (M_PI * PWD)

#define EL ( (FL * R_IN * R_IN)/(R_OUT * R_OUT) )

#define E_STEPS_PER_MM_IN  (E_STEPS_PER_REV * GEAR_RATIO / FL)

#define E_STEPS_PER_MM_OUT (E_STEPS_PER_MM_IN * FL / EL)

#define E_MAX_SPEED_OUT    (E_MAX_SPEED_IN * FL / EL)

#define E_MAX_ADVANCE_OUT  (E_MAX_ADVANCE_SPEED_IN * FL / EL)


#if E_COORDINATES_ARE_INPUT
#define E_STEPS_PER_MM           E_STEPS_PER_MM_IN
#define E_MAX_SPEED              E_MAX_SPEED_IN
#define E_MAX_ADVANCE_SPEED      E_MAX_ADVANCE_SPEED_IN
#else
#define E_STEPS_PER_MM           E_STEPS_PER_MM_OUT
#define E_MAX_SPEED              E_MAX_SPEED_OUT
#define E_MAX_ADVANCE_SPEED      E_MAX_ADVANCE_SPEED_OUT
#endif

#define HOST_USART usart0_stream

typedef long steps_t;

typedef unsigned int speed_t;

#endif // YARF_H