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MarlinFirmware/Marlin/src/feature/babystep.cpp

68 lines
2.3 KiB
C++

/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 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 <https://www.gnu.org/licenses/>.
*
*/
#include "../inc/MarlinConfig.h"
#if ENABLED(BABYSTEPPING)
#include "babystep.h"
#include "../MarlinCore.h"
#include "../module/motion.h" // for axes_should_home()
#include "../module/planner.h" // for axis_steps_per_mm[]
#include "../module/stepper.h"
#if ENABLED(BABYSTEP_ALWAYS_AVAILABLE)
#include "../gcode/gcode.h"
#endif
Babystep babystep;
volatile int16_t Babystep::steps[BS_AXIS_IND(Z_AXIS) + 1];
#if ENABLED(BABYSTEP_DISPLAY_TOTAL)
int16_t Babystep::axis_total[BS_TOTAL_IND(Z_AXIS) + 1];
#endif
int16_t Babystep::accum;
void Babystep::step_axis(const AxisEnum axis) {
const int16_t curTodo = steps[BS_AXIS_IND(axis)]; // get rid of volatile for performance
if (curTodo) {
stepper.do_babystep((AxisEnum)axis, curTodo > 0);
if (curTodo > 0) steps[BS_AXIS_IND(axis)]--; else steps[BS_AXIS_IND(axis)]++;
}
}
void Babystep::add_mm(const AxisEnum axis, const float &mm) {
add_steps(axis, mm * planner.settings.axis_steps_per_mm[axis]);
}
void Babystep::add_steps(const AxisEnum axis, const int16_t distance) {
if (DISABLED(BABYSTEP_WITHOUT_HOMING) && axes_should_home(_BV(axis))) return;
accum += distance; // Count up babysteps for the UI
steps[BS_AXIS_IND(axis)] += distance;
TERN_(BABYSTEP_DISPLAY_TOTAL, axis_total[BS_TOTAL_IND(axis)] += distance);
TERN_(BABYSTEP_ALWAYS_AVAILABLE, gcode.reset_stepper_timeout());
TERN_(INTEGRATED_BABYSTEPPING, if (has_steps()) stepper.initiateBabystepping());
}
#endif // BABYSTEPPING