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963 lines
26 KiB
963 lines
26 KiB
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* endstops.cpp - A singleton object to manage endstops
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*/
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#include "endstops.h"
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#include "stepper.h"
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#include "../Marlin.h"
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#include "../sd/cardreader.h"
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#include "temperature.h"
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#include "../lcd/ultralcd.h"
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#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
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#include HAL_PATH(../HAL, endstop_interrupts.h)
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#endif
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#if BOTH(SD_ABORT_ON_ENDSTOP_HIT, SDSUPPORT)
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#include "printcounter.h" // for print_job_timer
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#endif
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#if ENABLED(BLTOUCH)
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#include "../feature/bltouch.h"
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#endif
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#if ENABLED(JOYSTICK)
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#include "../feature/joystick.h"
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#endif
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Endstops endstops;
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// private:
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bool Endstops::enabled, Endstops::enabled_globally; // Initialized by settings.load()
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volatile uint8_t Endstops::hit_state;
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Endstops::esbits_t Endstops::live_state = 0;
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#if ENDSTOP_NOISE_THRESHOLD
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Endstops::esbits_t Endstops::validated_live_state;
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uint8_t Endstops::endstop_poll_count;
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#endif
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#if HAS_BED_PROBE
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volatile bool Endstops::z_probe_enabled = false;
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#endif
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// Initialized by settings.load()
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#if ENABLED(X_DUAL_ENDSTOPS)
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float Endstops::x2_endstop_adj;
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#endif
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#if ENABLED(Y_DUAL_ENDSTOPS)
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float Endstops::y2_endstop_adj;
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#endif
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#if Z_MULTI_ENDSTOPS
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float Endstops::z2_endstop_adj;
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#endif
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#if ENABLED(Z_TRIPLE_ENDSTOPS)
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float Endstops::z3_endstop_adj;
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#endif
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#if ENABLED(SPI_ENDSTOPS)
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Endstops::tmc_spi_homing_t Endstops::tmc_spi_homing; // = 0
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#endif
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#if ENABLED(IMPROVE_HOMING_RELIABILITY)
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millis_t sg_guard_period; // = 0
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#endif
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/**
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* Class and Instance Methods
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*/
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void Endstops::init() {
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#if HAS_X_MIN
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#if ENABLED(ENDSTOPPULLUP_XMIN)
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SET_INPUT_PULLUP(X_MIN_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_XMIN)
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SET_INPUT_PULLDOWN(X_MIN_PIN);
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#else
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SET_INPUT(X_MIN_PIN);
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#endif
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#endif
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#if HAS_X2_MIN
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#if ENABLED(ENDSTOPPULLUP_XMIN)
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SET_INPUT_PULLUP(X2_MIN_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_XMIN)
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SET_INPUT_PULLDOWN(X2_MIN_PIN);
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#else
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SET_INPUT(X2_MIN_PIN);
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#endif
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#endif
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#if HAS_Y_MIN
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#if ENABLED(ENDSTOPPULLUP_YMIN)
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SET_INPUT_PULLUP(Y_MIN_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_YMIN)
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SET_INPUT_PULLDOWN(Y_MIN_PIN);
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#else
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SET_INPUT(Y_MIN_PIN);
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#endif
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#endif
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#if HAS_Y2_MIN
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#if ENABLED(ENDSTOPPULLUP_YMIN)
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SET_INPUT_PULLUP(Y2_MIN_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_YMIN)
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SET_INPUT_PULLDOWN(Y2_MIN_PIN);
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#else
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SET_INPUT(Y2_MIN_PIN);
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#endif
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#endif
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#if HAS_Z_MIN
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#if ENABLED(ENDSTOPPULLUP_ZMIN)
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SET_INPUT_PULLUP(Z_MIN_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_ZMIN)
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SET_INPUT_PULLDOWN(Z_MIN_PIN);
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#else
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SET_INPUT(Z_MIN_PIN);
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#endif
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#endif
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#if HAS_Z2_MIN
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#if ENABLED(ENDSTOPPULLUP_ZMIN)
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SET_INPUT_PULLUP(Z2_MIN_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_ZMIN)
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SET_INPUT_PULLDOWN(Z2_MIN_PIN);
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#else
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SET_INPUT(Z2_MIN_PIN);
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#endif
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#endif
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#if HAS_Z3_MIN
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#if ENABLED(ENDSTOPPULLUP_ZMIN)
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SET_INPUT_PULLUP(Z3_MIN_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_ZMIN)
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SET_INPUT_PULLDOWN(Z3_MIN_PIN);
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#else
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SET_INPUT(Z3_MIN_PIN);
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#endif
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#endif
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#if HAS_X_MAX
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#if ENABLED(ENDSTOPPULLUP_XMAX)
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SET_INPUT_PULLUP(X_MAX_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_XMAX)
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SET_INPUT_PULLDOWN(X_MAX_PIN);
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#else
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SET_INPUT(X_MAX_PIN);
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#endif
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#endif
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#if HAS_X2_MAX
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#if ENABLED(ENDSTOPPULLUP_XMAX)
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SET_INPUT_PULLUP(X2_MAX_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_XMAX)
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SET_INPUT_PULLDOWN(X2_MAX_PIN);
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#else
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SET_INPUT(X2_MAX_PIN);
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#endif
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#endif
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#if HAS_Y_MAX
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#if ENABLED(ENDSTOPPULLUP_YMAX)
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SET_INPUT_PULLUP(Y_MAX_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_YMAX)
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SET_INPUT_PULLDOWN(Y_MAX_PIN);
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#else
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SET_INPUT(Y_MAX_PIN);
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#endif
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#endif
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#if HAS_Y2_MAX
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#if ENABLED(ENDSTOPPULLUP_YMAX)
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SET_INPUT_PULLUP(Y2_MAX_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_YMAX)
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SET_INPUT_PULLDOWN(Y2_MAX_PIN);
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#else
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SET_INPUT(Y2_MAX_PIN);
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#endif
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#endif
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#if HAS_Z_MAX
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#if ENABLED(ENDSTOPPULLUP_ZMAX)
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SET_INPUT_PULLUP(Z_MAX_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_ZMAX)
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SET_INPUT_PULLDOWN(Z_MAX_PIN);
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#else
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SET_INPUT(Z_MAX_PIN);
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#endif
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#endif
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#if HAS_Z2_MAX
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#if ENABLED(ENDSTOPPULLUP_ZMAX)
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SET_INPUT_PULLUP(Z2_MAX_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_ZMAX)
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SET_INPUT_PULLDOWN(Z2_MAX_PIN);
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#else
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SET_INPUT(Z2_MAX_PIN);
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#endif
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#endif
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#if HAS_Z3_MAX
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#if ENABLED(ENDSTOPPULLUP_ZMAX)
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SET_INPUT_PULLUP(Z3_MAX_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_ZMAX)
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SET_INPUT_PULLDOWN(Z3_MAX_PIN);
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#else
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SET_INPUT(Z3_MAX_PIN);
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#endif
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#endif
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#if HAS_CALIBRATION_PIN
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#if ENABLED(CALIBRATION_PIN_PULLUP)
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SET_INPUT_PULLUP(CALIBRATION_PIN);
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#elif ENABLED(CALIBRATION_PIN_PULLDOWN)
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SET_INPUT_PULLDOWN(CALIBRATION_PIN);
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#else
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SET_INPUT(CALIBRATION_PIN);
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#endif
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#endif
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#if USES_Z_MIN_PROBE_ENDSTOP
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#if ENABLED(ENDSTOPPULLUP_ZMIN_PROBE)
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SET_INPUT_PULLUP(Z_MIN_PROBE_PIN);
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#elif ENABLED(ENDSTOPPULLDOWN_ZMIN_PROBE)
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SET_INPUT_PULLDOWN(Z_MIN_PROBE_PIN);
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#else
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SET_INPUT(Z_MIN_PROBE_PIN);
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#endif
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#endif
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#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
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setup_endstop_interrupts();
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#endif
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// Enable endstops
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enable_globally(
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#if ENABLED(ENDSTOPS_ALWAYS_ON_DEFAULT)
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true
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#else
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false
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#endif
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);
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} // Endstops::init
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// Called at ~1KHz from Temperature ISR: Poll endstop state if required
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void Endstops::poll() {
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#if ENABLED(PINS_DEBUGGING)
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run_monitor(); // report changes in endstop status
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#endif
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#if DISABLED(ENDSTOP_INTERRUPTS_FEATURE)
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update();
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#elif ENDSTOP_NOISE_THRESHOLD
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if (endstop_poll_count) update();
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#endif
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}
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void Endstops::enable_globally(const bool onoff) {
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enabled_globally = enabled = onoff;
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resync();
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}
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// Enable / disable endstop checking
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void Endstops::enable(const bool onoff) {
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enabled = onoff;
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resync();
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}
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// Disable / Enable endstops based on ENSTOPS_ONLY_FOR_HOMING and global enable
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void Endstops::not_homing() {
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enabled = enabled_globally;
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}
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#if ENABLED(VALIDATE_HOMING_ENDSTOPS)
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// If the last move failed to trigger an endstop, call kill
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void Endstops::validate_homing_move() {
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if (trigger_state()) hit_on_purpose();
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else kill(PSTR(MSG_ERR_HOMING_FAILED));
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}
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#endif
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// Enable / disable endstop z-probe checking
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#if HAS_BED_PROBE
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void Endstops::enable_z_probe(const bool onoff) {
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z_probe_enabled = onoff;
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resync();
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}
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#endif
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// Get the stable endstop states when enabled
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void Endstops::resync() {
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if (!abort_enabled()) return; // If endstops/probes are disabled the loop below can hang
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#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
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update();
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#else
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safe_delay(2); // Wait for Temperature ISR to run at least once (runs at 1KHz)
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#endif
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#if ENDSTOP_NOISE_THRESHOLD
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while (endstop_poll_count) safe_delay(1);
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#endif
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}
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#if ENABLED(PINS_DEBUGGING)
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void Endstops::run_monitor() {
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if (!monitor_flag) return;
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static uint8_t monitor_count = 16; // offset this check from the others
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monitor_count += _BV(1); // 15 Hz
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monitor_count &= 0x7F;
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if (!monitor_count) monitor(); // report changes in endstop status
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}
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#endif
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void Endstops::event_handler() {
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static uint8_t prev_hit_state; // = 0
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if (hit_state && hit_state != prev_hit_state) {
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#if HAS_SPI_LCD
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char chrX = ' ', chrY = ' ', chrZ = ' ', chrP = ' ';
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#define _SET_STOP_CHAR(A,C) (chr## A = C)
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#else
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#define _SET_STOP_CHAR(A,C) ;
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#endif
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#define _ENDSTOP_HIT_ECHO(A,C) do{ \
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SERIAL_ECHOPAIR(" " STRINGIFY(A) ":", planner.triggered_position_mm(_AXIS(A))); \
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_SET_STOP_CHAR(A,C); }while(0)
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#define _ENDSTOP_HIT_TEST(A,C) \
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if (TEST(hit_state, A ##_MIN) || TEST(hit_state, A ##_MAX)) \
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_ENDSTOP_HIT_ECHO(A,C)
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#define ENDSTOP_HIT_TEST_X() _ENDSTOP_HIT_TEST(X,'X')
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#define ENDSTOP_HIT_TEST_Y() _ENDSTOP_HIT_TEST(Y,'Y')
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#define ENDSTOP_HIT_TEST_Z() _ENDSTOP_HIT_TEST(Z,'Z')
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SERIAL_ECHO_START();
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SERIAL_ECHOPGM(MSG_ENDSTOPS_HIT);
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ENDSTOP_HIT_TEST_X();
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ENDSTOP_HIT_TEST_Y();
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ENDSTOP_HIT_TEST_Z();
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#if USES_Z_MIN_PROBE_ENDSTOP
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#define P_AXIS Z_AXIS
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if (TEST(hit_state, Z_MIN_PROBE)) _ENDSTOP_HIT_ECHO(P, 'P');
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#endif
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SERIAL_EOL();
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#if HAS_SPI_LCD
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ui.status_printf_P(0, PSTR(S_FMT " %c %c %c %c"), PSTR(MSG_LCD_ENDSTOPS), chrX, chrY, chrZ, chrP);
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#endif
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#if BOTH(SD_ABORT_ON_ENDSTOP_HIT, SDSUPPORT)
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if (planner.abort_on_endstop_hit) {
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card.stopSDPrint();
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quickstop_stepper();
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thermalManager.disable_all_heaters();
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print_job_timer.stop();
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}
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#endif
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}
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prev_hit_state = hit_state;
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}
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static void print_es_state(const bool is_hit, PGM_P const label=nullptr) {
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if (label) serialprintPGM(label);
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SERIAL_ECHOPGM(": ");
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serialprintPGM(is_hit ? PSTR(MSG_ENDSTOP_HIT) : PSTR(MSG_ENDSTOP_OPEN));
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SERIAL_EOL();
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}
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void _O2 Endstops::M119() {
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#if ENABLED(BLTOUCH)
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bltouch._set_SW_mode();
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#endif
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SERIAL_ECHOLNPGM(MSG_M119_REPORT);
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#define ES_REPORT(S) print_es_state(READ(S##_PIN) != S##_ENDSTOP_INVERTING, PSTR(MSG_##S))
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#if HAS_X_MIN
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ES_REPORT(X_MIN);
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#endif
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#if HAS_X2_MIN
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ES_REPORT(X2_MIN);
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#endif
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#if HAS_X_MAX
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ES_REPORT(X_MAX);
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#endif
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#if HAS_X2_MAX
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ES_REPORT(X2_MAX);
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#endif
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#if HAS_Y_MIN
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ES_REPORT(Y_MIN);
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#endif
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#if HAS_Y2_MIN
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ES_REPORT(Y2_MIN);
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#endif
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#if HAS_Y_MAX
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ES_REPORT(Y_MAX);
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#endif
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#if HAS_Y2_MAX
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ES_REPORT(Y2_MAX);
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#endif
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#if HAS_Z_MIN
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ES_REPORT(Z_MIN);
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#endif
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#if HAS_Z2_MIN
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ES_REPORT(Z2_MIN);
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#endif
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#if HAS_Z3_MIN
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ES_REPORT(Z3_MIN);
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#endif
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#if HAS_Z_MAX
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ES_REPORT(Z_MAX);
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#endif
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#if HAS_Z2_MAX
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ES_REPORT(Z2_MAX);
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#endif
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#if HAS_Z3_MAX
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ES_REPORT(Z3_MAX);
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#endif
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#if USES_Z_MIN_PROBE_ENDSTOP
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print_es_state(READ(Z_MIN_PROBE_PIN) != Z_MIN_PROBE_ENDSTOP_INVERTING, PSTR(MSG_Z_PROBE));
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#endif
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#if HAS_FILAMENT_SENSOR
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#if NUM_RUNOUT_SENSORS == 1
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print_es_state(READ(FIL_RUNOUT_PIN) != FIL_RUNOUT_INVERTING, PSTR(MSG_FILAMENT_RUNOUT_SENSOR));
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#else
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for (uint8_t i = 1; i <= NUM_RUNOUT_SENSORS; i++) {
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pin_t pin;
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switch (i) {
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default: continue;
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case 1: pin = FIL_RUNOUT_PIN; break;
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case 2: pin = FIL_RUNOUT2_PIN; break;
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#if NUM_RUNOUT_SENSORS > 2
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case 3: pin = FIL_RUNOUT3_PIN; break;
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#if NUM_RUNOUT_SENSORS > 3
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case 4: pin = FIL_RUNOUT4_PIN; break;
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#if NUM_RUNOUT_SENSORS > 4
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case 5: pin = FIL_RUNOUT5_PIN; break;
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#if NUM_RUNOUT_SENSORS > 5
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case 6: pin = FIL_RUNOUT6_PIN; break;
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#endif
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#endif
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#endif
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#endif
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}
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SERIAL_ECHOPGM(MSG_FILAMENT_RUNOUT_SENSOR);
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if (i > 1) { SERIAL_CHAR(' '); SERIAL_CHAR('0' + i); }
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print_es_state(extDigitalRead(pin) != FIL_RUNOUT_INVERTING);
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}
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#endif
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#endif
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#if ENABLED(BLTOUCH)
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bltouch._reset_SW_mode();
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#endif
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#if ENABLED(JOYSTICK_DEBUG)
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joystick.report();
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#endif
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} // Endstops::M119
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// The following routines are called from an ISR context. It could be the temperature ISR, the
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// endstop ISR or the Stepper ISR.
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#define _ENDSTOP(AXIS, MINMAX) AXIS ##_## MINMAX
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#define _ENDSTOP_PIN(AXIS, MINMAX) AXIS ##_## MINMAX ##_PIN
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#define _ENDSTOP_INVERTING(AXIS, MINMAX) AXIS ##_## MINMAX ##_ENDSTOP_INVERTING
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|
// Check endstops - Could be called from Temperature ISR!
|
|
void Endstops::update() {
|
|
|
|
#if !ENDSTOP_NOISE_THRESHOLD
|
|
if (!abort_enabled()) return;
|
|
#endif
|
|
|
|
#define UPDATE_ENDSTOP_BIT(AXIS, MINMAX) SET_BIT_TO(live_state, _ENDSTOP(AXIS, MINMAX), (READ(_ENDSTOP_PIN(AXIS, MINMAX)) != _ENDSTOP_INVERTING(AXIS, MINMAX)))
|
|
#define COPY_LIVE_STATE(SRC_BIT, DST_BIT) SET_BIT_TO(live_state, DST_BIT, TEST(live_state, SRC_BIT))
|
|
|
|
#if ENABLED(G38_PROBE_TARGET) && PIN_EXISTS(Z_MIN_PROBE) && !(CORE_IS_XY || CORE_IS_XZ)
|
|
// If G38 command is active check Z_MIN_PROBE for ALL movement
|
|
if (G38_move) UPDATE_ENDSTOP_BIT(Z, MIN_PROBE);
|
|
#endif
|
|
|
|
// With Dual X, endstops are only checked in the homing direction for the active extruder
|
|
#if ENABLED(DUAL_X_CARRIAGE)
|
|
#define E0_ACTIVE stepper.movement_extruder() == 0
|
|
#define X_MIN_TEST ((X_HOME_DIR < 0 && E0_ACTIVE) || (X2_HOME_DIR < 0 && !E0_ACTIVE))
|
|
#define X_MAX_TEST ((X_HOME_DIR > 0 && E0_ACTIVE) || (X2_HOME_DIR > 0 && !E0_ACTIVE))
|
|
#else
|
|
#define X_MIN_TEST true
|
|
#define X_MAX_TEST true
|
|
#endif
|
|
|
|
// Use HEAD for core axes, AXIS for others
|
|
#if CORE_IS_XY || CORE_IS_XZ
|
|
#define X_AXIS_HEAD X_HEAD
|
|
#else
|
|
#define X_AXIS_HEAD X_AXIS
|
|
#endif
|
|
#if CORE_IS_XY || CORE_IS_YZ
|
|
#define Y_AXIS_HEAD Y_HEAD
|
|
#else
|
|
#define Y_AXIS_HEAD Y_AXIS
|
|
#endif
|
|
#if CORE_IS_XZ || CORE_IS_YZ
|
|
#define Z_AXIS_HEAD Z_HEAD
|
|
#else
|
|
#define Z_AXIS_HEAD Z_AXIS
|
|
#endif
|
|
|
|
/**
|
|
* Check and update endstops
|
|
*/
|
|
#if HAS_X_MIN
|
|
#if ENABLED(X_DUAL_ENDSTOPS)
|
|
UPDATE_ENDSTOP_BIT(X, MIN);
|
|
#if HAS_X2_MIN
|
|
UPDATE_ENDSTOP_BIT(X2, MIN);
|
|
#else
|
|
COPY_LIVE_STATE(X_MIN, X2_MIN);
|
|
#endif
|
|
#else
|
|
UPDATE_ENDSTOP_BIT(X, MIN);
|
|
#endif
|
|
#endif
|
|
|
|
#if HAS_X_MAX
|
|
#if ENABLED(X_DUAL_ENDSTOPS)
|
|
UPDATE_ENDSTOP_BIT(X, MAX);
|
|
#if HAS_X2_MAX
|
|
UPDATE_ENDSTOP_BIT(X2, MAX);
|
|
#else
|
|
COPY_LIVE_STATE(X_MAX, X2_MAX);
|
|
#endif
|
|
#else
|
|
UPDATE_ENDSTOP_BIT(X, MAX);
|
|
#endif
|
|
#endif
|
|
|
|
#if HAS_Y_MIN
|
|
#if ENABLED(Y_DUAL_ENDSTOPS)
|
|
UPDATE_ENDSTOP_BIT(Y, MIN);
|
|
#if HAS_Y2_MIN
|
|
UPDATE_ENDSTOP_BIT(Y2, MIN);
|
|
#else
|
|
COPY_LIVE_STATE(Y_MIN, Y2_MIN);
|
|
#endif
|
|
#else
|
|
UPDATE_ENDSTOP_BIT(Y, MIN);
|
|
#endif
|
|
#endif
|
|
|
|
#if HAS_Y_MAX
|
|
#if ENABLED(Y_DUAL_ENDSTOPS)
|
|
UPDATE_ENDSTOP_BIT(Y, MAX);
|
|
#if HAS_Y2_MAX
|
|
UPDATE_ENDSTOP_BIT(Y2, MAX);
|
|
#else
|
|
COPY_LIVE_STATE(Y_MAX, Y2_MAX);
|
|
#endif
|
|
#else
|
|
UPDATE_ENDSTOP_BIT(Y, MAX);
|
|
#endif
|
|
#endif
|
|
|
|
#if HAS_Z_MIN
|
|
#if Z_MULTI_ENDSTOPS
|
|
UPDATE_ENDSTOP_BIT(Z, MIN);
|
|
#if HAS_Z2_MIN
|
|
UPDATE_ENDSTOP_BIT(Z2, MIN);
|
|
#else
|
|
COPY_LIVE_STATE(Z_MIN, Z2_MIN);
|
|
#endif
|
|
#if ENABLED(Z_TRIPLE_ENDSTOPS)
|
|
#if HAS_Z3_MIN
|
|
UPDATE_ENDSTOP_BIT(Z3, MIN);
|
|
#else
|
|
COPY_LIVE_STATE(Z_MIN, Z3_MIN);
|
|
#endif
|
|
#endif
|
|
#elif ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
|
|
UPDATE_ENDSTOP_BIT(Z, MIN);
|
|
#elif Z_HOME_DIR < 0
|
|
UPDATE_ENDSTOP_BIT(Z, MIN);
|
|
#endif
|
|
#endif
|
|
|
|
// When closing the gap check the enabled probe
|
|
#if USES_Z_MIN_PROBE_ENDSTOP
|
|
UPDATE_ENDSTOP_BIT(Z, MIN_PROBE);
|
|
#endif
|
|
|
|
#if HAS_Z_MAX
|
|
// Check both Z dual endstops
|
|
#if Z_MULTI_ENDSTOPS
|
|
UPDATE_ENDSTOP_BIT(Z, MAX);
|
|
#if HAS_Z2_MAX
|
|
UPDATE_ENDSTOP_BIT(Z2, MAX);
|
|
#else
|
|
COPY_LIVE_STATE(Z_MAX, Z2_MAX);
|
|
#endif
|
|
#if ENABLED(Z_TRIPLE_ENDSTOPS)
|
|
#if HAS_Z3_MAX
|
|
UPDATE_ENDSTOP_BIT(Z3, MAX);
|
|
#else
|
|
COPY_LIVE_STATE(Z_MAX, Z3_MAX);
|
|
#endif
|
|
#endif
|
|
#elif !USES_Z_MIN_PROBE_ENDSTOP || Z_MAX_PIN != Z_MIN_PROBE_PIN
|
|
// If this pin isn't the bed probe it's the Z endstop
|
|
UPDATE_ENDSTOP_BIT(Z, MAX);
|
|
#endif
|
|
#endif
|
|
|
|
#if ENDSTOP_NOISE_THRESHOLD
|
|
|
|
/**
|
|
* Filtering out noise on endstops requires a delayed decision. Let's assume, due to noise,
|
|
* that 50% of endstop signal samples are good and 50% are bad (assuming normal distribution
|
|
* of random noise). Then the first sample has a 50% chance to be good or bad. The 2nd sample
|
|
* also has a 50% chance to be good or bad. The chances of 2 samples both being bad becomes
|
|
* 50% of 50%, or 25%. That was the previous implementation of Marlin endstop handling. It
|
|
* reduces chances of bad readings in half, at the cost of 1 extra sample period, but chances
|
|
* still exist. The only way to reduce them further is to increase the number of samples.
|
|
* To reduce the chance to 1% (1/128th) requires 7 samples (adding 7ms of delay).
|
|
*/
|
|
static esbits_t old_live_state;
|
|
if (old_live_state != live_state) {
|
|
endstop_poll_count = ENDSTOP_NOISE_THRESHOLD;
|
|
old_live_state = live_state;
|
|
}
|
|
else if (endstop_poll_count && !--endstop_poll_count)
|
|
validated_live_state = live_state;
|
|
|
|
if (!abort_enabled()) return;
|
|
|
|
#endif
|
|
|
|
// Test the current status of an endstop
|
|
#define TEST_ENDSTOP(ENDSTOP) (TEST(state(), ENDSTOP))
|
|
|
|
// Record endstop was hit
|
|
#define _ENDSTOP_HIT(AXIS, MINMAX) SBI(hit_state, _ENDSTOP(AXIS, MINMAX))
|
|
|
|
// Call the endstop triggered routine for single endstops
|
|
#define PROCESS_ENDSTOP(AXIS,MINMAX) do { \
|
|
if (TEST_ENDSTOP(_ENDSTOP(AXIS, MINMAX))) { \
|
|
_ENDSTOP_HIT(AXIS, MINMAX); \
|
|
planner.endstop_triggered(_AXIS(AXIS)); \
|
|
} \
|
|
}while(0)
|
|
|
|
// Call the endstop triggered routine for dual endstops
|
|
#define PROCESS_DUAL_ENDSTOP(AXIS1, AXIS2, MINMAX) do { \
|
|
const byte dual_hit = TEST_ENDSTOP(_ENDSTOP(AXIS1, MINMAX)) | (TEST_ENDSTOP(_ENDSTOP(AXIS2, MINMAX)) << 1); \
|
|
if (dual_hit) { \
|
|
_ENDSTOP_HIT(AXIS1, MINMAX); \
|
|
/* if not performing home or if both endstops were trigged during homing... */ \
|
|
if (!stepper.separate_multi_axis || dual_hit == 0b11) \
|
|
planner.endstop_triggered(_AXIS(AXIS1)); \
|
|
} \
|
|
}while(0)
|
|
|
|
#define PROCESS_TRIPLE_ENDSTOP(AXIS1, AXIS2, AXIS3, MINMAX) do { \
|
|
const byte triple_hit = TEST_ENDSTOP(_ENDSTOP(AXIS1, MINMAX)) | (TEST_ENDSTOP(_ENDSTOP(AXIS2, MINMAX)) << 1) | (TEST_ENDSTOP(_ENDSTOP(AXIS3, MINMAX)) << 2); \
|
|
if (triple_hit) { \
|
|
_ENDSTOP_HIT(AXIS1, MINMAX); \
|
|
/* if not performing home or if both endstops were trigged during homing... */ \
|
|
if (!stepper.separate_multi_axis || triple_hit == 0b111) \
|
|
planner.endstop_triggered(_AXIS(AXIS1)); \
|
|
} \
|
|
}while(0)
|
|
|
|
#if ENABLED(G38_PROBE_TARGET) && PIN_EXISTS(Z_MIN_PROBE) && !(CORE_IS_XY || CORE_IS_XZ)
|
|
#if ENABLED(G38_PROBE_AWAY)
|
|
#define _G38_OPEN_STATE (G38_move >= 4)
|
|
#else
|
|
#define _G38_OPEN_STATE LOW
|
|
#endif
|
|
// If G38 command is active check Z_MIN_PROBE for ALL movement
|
|
if (G38_move && TEST_ENDSTOP(_ENDSTOP(Z, MIN_PROBE)) != _G38_OPEN_STATE) {
|
|
if (stepper.axis_is_moving(X_AXIS)) { _ENDSTOP_HIT(X, MIN); planner.endstop_triggered(X_AXIS); }
|
|
else if (stepper.axis_is_moving(Y_AXIS)) { _ENDSTOP_HIT(Y, MIN); planner.endstop_triggered(Y_AXIS); }
|
|
else if (stepper.axis_is_moving(Z_AXIS)) { _ENDSTOP_HIT(Z, MIN); planner.endstop_triggered(Z_AXIS); }
|
|
G38_did_trigger = true;
|
|
}
|
|
#endif
|
|
|
|
// Now, we must signal, after validation, if an endstop limit is pressed or not
|
|
if (stepper.axis_is_moving(X_AXIS)) {
|
|
if (stepper.motor_direction(X_AXIS_HEAD)) { // -direction
|
|
#if HAS_X_MIN || (X_SPI_SENSORLESS && X_HOME_DIR < 0)
|
|
#if ENABLED(X_DUAL_ENDSTOPS)
|
|
PROCESS_DUAL_ENDSTOP(X, X2, MIN);
|
|
#else
|
|
if (X_MIN_TEST) PROCESS_ENDSTOP(X, MIN);
|
|
#endif
|
|
#endif
|
|
}
|
|
else { // +direction
|
|
#if HAS_X_MAX || (X_SPI_SENSORLESS && X_HOME_DIR > 0)
|
|
#if ENABLED(X_DUAL_ENDSTOPS)
|
|
PROCESS_DUAL_ENDSTOP(X, X2, MAX);
|
|
#else
|
|
if (X_MAX_TEST) PROCESS_ENDSTOP(X, MAX);
|
|
#endif
|
|
#endif
|
|
}
|
|
}
|
|
|
|
if (stepper.axis_is_moving(Y_AXIS)) {
|
|
if (stepper.motor_direction(Y_AXIS_HEAD)) { // -direction
|
|
#if HAS_Y_MIN || (Y_SPI_SENSORLESS && Y_HOME_DIR < 0)
|
|
#if ENABLED(Y_DUAL_ENDSTOPS)
|
|
PROCESS_DUAL_ENDSTOP(Y, Y2, MIN);
|
|
#else
|
|
PROCESS_ENDSTOP(Y, MIN);
|
|
#endif
|
|
#endif
|
|
}
|
|
else { // +direction
|
|
#if HAS_Y_MAX || (Y_SPI_SENSORLESS && Y_HOME_DIR > 0)
|
|
#if ENABLED(Y_DUAL_ENDSTOPS)
|
|
PROCESS_DUAL_ENDSTOP(Y, Y2, MAX);
|
|
#else
|
|
PROCESS_ENDSTOP(Y, MAX);
|
|
#endif
|
|
#endif
|
|
}
|
|
}
|
|
|
|
if (stepper.axis_is_moving(Z_AXIS)) {
|
|
if (stepper.motor_direction(Z_AXIS_HEAD)) { // Z -direction. Gantry down, bed up.
|
|
#if HAS_Z_MIN || (Z_SPI_SENSORLESS && Z_HOME_DIR < 0)
|
|
#if ENABLED(Z_TRIPLE_ENDSTOPS)
|
|
PROCESS_TRIPLE_ENDSTOP(Z, Z2, Z3, MIN);
|
|
#elif ENABLED(Z_DUAL_ENDSTOPS)
|
|
PROCESS_DUAL_ENDSTOP(Z, Z2, MIN);
|
|
#else
|
|
#if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
|
|
if (z_probe_enabled) PROCESS_ENDSTOP(Z, MIN);
|
|
#elif USES_Z_MIN_PROBE_ENDSTOP
|
|
if (!z_probe_enabled) PROCESS_ENDSTOP(Z, MIN);
|
|
#else
|
|
PROCESS_ENDSTOP(Z, MIN);
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
// When closing the gap check the enabled probe
|
|
#if USES_Z_MIN_PROBE_ENDSTOP
|
|
if (z_probe_enabled) PROCESS_ENDSTOP(Z, MIN_PROBE);
|
|
#endif
|
|
}
|
|
else { // Z +direction. Gantry up, bed down.
|
|
#if HAS_Z_MAX || (Z_SPI_SENSORLESS && Z_HOME_DIR > 0)
|
|
#if ENABLED(Z_TRIPLE_ENDSTOPS)
|
|
PROCESS_TRIPLE_ENDSTOP(Z, Z2, Z3, MAX);
|
|
#elif ENABLED(Z_DUAL_ENDSTOPS)
|
|
PROCESS_DUAL_ENDSTOP(Z, Z2, MAX);
|
|
#elif !USES_Z_MIN_PROBE_ENDSTOP || Z_MAX_PIN != Z_MIN_PROBE_PIN
|
|
// If this pin is not hijacked for the bed probe
|
|
// then it belongs to the Z endstop
|
|
PROCESS_ENDSTOP(Z, MAX);
|
|
#endif
|
|
#endif
|
|
}
|
|
}
|
|
} // Endstops::update()
|
|
|
|
#if ENABLED(SPI_ENDSTOPS)
|
|
|
|
#define X_STOP (X_HOME_DIR < 0 ? X_MIN : X_MAX)
|
|
#define Y_STOP (Y_HOME_DIR < 0 ? Y_MIN : Y_MAX)
|
|
#define Z_STOP (Z_HOME_DIR < 0 ? Z_MIN : Z_MAX)
|
|
|
|
bool Endstops::tmc_spi_homing_check() {
|
|
bool hit = false;
|
|
#if X_SPI_SENSORLESS
|
|
if (tmc_spi_homing.x && stepperX.test_stall_status()) {
|
|
SBI(live_state, X_STOP);
|
|
hit = true;
|
|
}
|
|
#endif
|
|
#if Y_SPI_SENSORLESS
|
|
if (tmc_spi_homing.y && stepperY.test_stall_status()) {
|
|
SBI(live_state, Y_STOP);
|
|
hit = true;
|
|
}
|
|
#endif
|
|
#if Z_SPI_SENSORLESS
|
|
if (tmc_spi_homing.z && stepperZ.test_stall_status()) {
|
|
SBI(live_state, Z_STOP);
|
|
hit = true;
|
|
}
|
|
#endif
|
|
return hit;
|
|
}
|
|
|
|
void Endstops::clear_endstop_state() {
|
|
#if X_SPI_SENSORLESS
|
|
CBI(live_state, X_STOP);
|
|
#endif
|
|
#if Y_SPI_SENSORLESS
|
|
CBI(live_state, Y_STOP);
|
|
#endif
|
|
#if Z_SPI_SENSORLESS
|
|
CBI(live_state, Z_STOP);
|
|
#endif
|
|
}
|
|
|
|
#endif // SPI_ENDSTOPS
|
|
|
|
#if ENABLED(PINS_DEBUGGING)
|
|
|
|
bool Endstops::monitor_flag = false;
|
|
|
|
/**
|
|
* Monitor Endstops and Z Probe for changes
|
|
*
|
|
* If a change is detected then the LED is toggled and
|
|
* a message is sent out the serial port.
|
|
*
|
|
* Yes, we could miss a rapid back & forth change but
|
|
* that won't matter because this is all manual.
|
|
*/
|
|
void Endstops::monitor() {
|
|
|
|
static uint16_t old_live_state_local = 0;
|
|
static uint8_t local_LED_status = 0;
|
|
uint16_t live_state_local = 0;
|
|
|
|
#define ES_GET_STATE(S) if (READ(S##_PIN)) SBI(live_state_local, S)
|
|
|
|
#if HAS_X_MIN
|
|
ES_GET_STATE(X_MIN);
|
|
#endif
|
|
#if HAS_X_MAX
|
|
ES_GET_STATE(X_MAX);
|
|
#endif
|
|
#if HAS_Y_MIN
|
|
ES_GET_STATE(Y_MIN);
|
|
#endif
|
|
#if HAS_Y_MAX
|
|
ES_GET_STATE(Y_MAX);
|
|
#endif
|
|
#if HAS_Z_MIN
|
|
ES_GET_STATE(Z_MIN);
|
|
#endif
|
|
#if HAS_Z_MAX
|
|
ES_GET_STATE(Z_MAX);
|
|
#endif
|
|
#if HAS_Z_MIN_PROBE_PIN
|
|
ES_GET_STATE(Z_MIN_PROBE);
|
|
#endif
|
|
#if HAS_X2_MIN
|
|
ES_GET_STATE(X2_MIN);
|
|
#endif
|
|
#if HAS_X2_MAX
|
|
ES_GET_STATE(X2_MAX);
|
|
#endif
|
|
#if HAS_Y2_MIN
|
|
ES_GET_STATE(Y2_MIN);
|
|
#endif
|
|
#if HAS_Y2_MAX
|
|
ES_GET_STATE(Y2_MAX);
|
|
#endif
|
|
#if HAS_Z2_MIN
|
|
ES_GET_STATE(Z2_MIN);
|
|
#endif
|
|
#if HAS_Z2_MAX
|
|
ES_GET_STATE(Z2_MAX);
|
|
#endif
|
|
#if HAS_Z3_MIN
|
|
ES_GET_STATE(Z3_MIN);
|
|
#endif
|
|
#if HAS_Z3_MAX
|
|
ES_GET_STATE(Z3_MAX);
|
|
#endif
|
|
|
|
uint16_t endstop_change = live_state_local ^ old_live_state_local;
|
|
#define ES_REPORT_CHANGE(S) if (TEST(endstop_change, S)) SERIAL_ECHOPAIR(" " STRINGIFY(S) ":", TEST(live_state_local, S))
|
|
|
|
if (endstop_change) {
|
|
#if HAS_X_MIN
|
|
ES_REPORT_CHANGE(X_MIN);
|
|
#endif
|
|
#if HAS_X_MAX
|
|
ES_REPORT_CHANGE(X_MAX);
|
|
#endif
|
|
#if HAS_Y_MIN
|
|
ES_REPORT_CHANGE(Y_MIN);
|
|
#endif
|
|
#if HAS_Y_MAX
|
|
ES_REPORT_CHANGE(Y_MAX);
|
|
#endif
|
|
#if HAS_Z_MIN
|
|
ES_REPORT_CHANGE(Z_MIN);
|
|
#endif
|
|
#if HAS_Z_MAX
|
|
ES_REPORT_CHANGE(Z_MAX);
|
|
#endif
|
|
#if HAS_Z_MIN_PROBE_PIN
|
|
ES_REPORT_CHANGE(Z_MIN_PROBE);
|
|
#endif
|
|
#if HAS_X2_MIN
|
|
ES_REPORT_CHANGE(X2_MIN);
|
|
#endif
|
|
#if HAS_X2_MAX
|
|
ES_REPORT_CHANGE(X2_MAX);
|
|
#endif
|
|
#if HAS_Y2_MIN
|
|
ES_REPORT_CHANGE(Y2_MIN);
|
|
#endif
|
|
#if HAS_Y2_MAX
|
|
ES_REPORT_CHANGE(Y2_MAX);
|
|
#endif
|
|
#if HAS_Z2_MIN
|
|
ES_REPORT_CHANGE(Z2_MIN);
|
|
#endif
|
|
#if HAS_Z2_MAX
|
|
ES_REPORT_CHANGE(Z2_MAX);
|
|
#endif
|
|
#if HAS_Z3_MIN
|
|
ES_REPORT_CHANGE(Z3_MIN);
|
|
#endif
|
|
#if HAS_Z3_MAX
|
|
ES_REPORT_CHANGE(Z3_MAX);
|
|
#endif
|
|
SERIAL_ECHOLNPGM("\n");
|
|
analogWrite(pin_t(LED_PIN), local_LED_status);
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local_LED_status ^= 255;
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old_live_state_local = live_state_local;
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}
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}
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#endif // PINS_DEBUGGING
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