marlin/Marlin/src/feature/babystep.h

/**
 * Marlin 3D Printer Firmware
 * Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
 *
 * Based on Sprinter and grbl.
 * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
#pragma once

#include "../inc/MarlinConfigPre.h"
#include "../core/enum.h"

#if IS_CORE || EITHER(BABYSTEP_XY, I2C_POSITION_ENCODERS)
  #define BS_TODO_AXIS(A) A
#else
  #define BS_TODO_AXIS(A) 0
#endif

#if HAS_LCD_MENU && ENABLED(BABYSTEP_DISPLAY_TOTAL)
  #if ENABLED(BABYSTEP_XY)
    #define BS_TOTAL_AXIS(A) A
  #else
    #define BS_TOTAL_AXIS(A) 0
  #endif
#endif

class Babystep {
public:
  static volatile int16_t todo[BS_TODO_AXIS(Z_AXIS) + 1];
  #if HAS_LCD_MENU
    static int16_t accum;                                     // Total babysteps in current edit
    #if ENABLED(BABYSTEP_DISPLAY_TOTAL)
      static int16_t axis_total[BS_TOTAL_AXIS(Z_AXIS) + 1];   // Total babysteps since G28
      static inline void reset_total(const AxisEnum axis) {
        #if ENABLED(BABYSTEP_XY)
          if (axis == Z_AXIS)
        #endif
            axis_total[BS_TOTAL_AXIS(axis)] = 0;
      }
    #endif
  #endif
  static void add_steps(const AxisEnum axis, const int16_t distance);
  static void add_mm(const AxisEnum axis, const float &mm);
  static void task();
private:
  static void step_axis(const AxisEnum axis);
};

extern Babystep babystep;