1002 lines
36 KiB
C++
1002 lines
36 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 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 <https://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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/**
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* planner.h
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*
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* Buffer movement commands and manage the acceleration profile plan
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*
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* Derived from Grbl
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* Copyright (c) 2009-2011 Simen Svale Skogsrud
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*/
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#include "../MarlinCore.h"
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#if ENABLED(JD_HANDLE_SMALL_SEGMENTS)
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// Enable this option for perfect accuracy but maximum
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// computation. Should be fine on ARM processors.
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//#define JD_USE_MATH_ACOS
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// Disable this option to save 120 bytes of PROGMEM,
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// but incur increased computation and a reduction
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// in accuracy.
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#define JD_USE_LOOKUP_TABLE
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#endif
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#include "motion.h"
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#include "../gcode/queue.h"
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#if ENABLED(DELTA)
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#include "delta.h"
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#endif
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#if ABL_PLANAR
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#include "../libs/vector_3.h" // for matrix_3x3
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#endif
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#if ENABLED(FWRETRACT)
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#include "../feature/fwretract.h"
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#endif
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#if ENABLED(MIXING_EXTRUDER)
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#include "../feature/mixing.h"
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#endif
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#if HAS_CUTTER
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#include "../feature/spindle_laser_types.h"
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#endif
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#if ENABLED(DIRECT_STEPPING)
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#include "../feature/direct_stepping.h"
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#define IS_PAGE(B) TEST(B->flag, BLOCK_BIT_IS_PAGE)
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#else
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#define IS_PAGE(B) false
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#endif
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// Feedrate for manual moves
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#ifdef MANUAL_FEEDRATE
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constexpr xyze_feedrate_t _mf = MANUAL_FEEDRATE,
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manual_feedrate_mm_s = LOGICAL_AXIS_ARRAY(_mf.e / 60.0f,
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_mf.x / 60.0f, _mf.y / 60.0f, _mf.z / 60.0f,
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_mf.i / 60.0f, _mf.j / 60.0f, _mf.k / 60.0f);
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#endif
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#if IS_KINEMATIC && HAS_JUNCTION_DEVIATION
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#define HAS_DIST_MM_ARG 1
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#endif
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enum BlockFlagBit : char {
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// Recalculate trapezoids on entry junction. For optimization.
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BLOCK_BIT_RECALCULATE,
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// Nominal speed always reached.
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// i.e., The segment is long enough, so the nominal speed is reachable if accelerating
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// from a safe speed (in consideration of jerking from zero speed).
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BLOCK_BIT_NOMINAL_LENGTH,
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// The block is segment 2+ of a longer move
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BLOCK_BIT_CONTINUED,
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// Sync the stepper counts from the block
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BLOCK_BIT_SYNC_POSITION
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// Direct stepping page
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#if ENABLED(DIRECT_STEPPING)
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, BLOCK_BIT_IS_PAGE
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#endif
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// Sync the fan speeds from the block
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#if ENABLED(LASER_SYNCHRONOUS_M106_M107)
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, BLOCK_BIT_SYNC_FANS
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#endif
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};
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enum BlockFlag : char {
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BLOCK_FLAG_RECALCULATE = _BV(BLOCK_BIT_RECALCULATE)
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, BLOCK_FLAG_NOMINAL_LENGTH = _BV(BLOCK_BIT_NOMINAL_LENGTH)
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, BLOCK_FLAG_CONTINUED = _BV(BLOCK_BIT_CONTINUED)
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, BLOCK_FLAG_SYNC_POSITION = _BV(BLOCK_BIT_SYNC_POSITION)
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#if ENABLED(DIRECT_STEPPING)
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, BLOCK_FLAG_IS_PAGE = _BV(BLOCK_BIT_IS_PAGE)
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#endif
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#if ENABLED(LASER_SYNCHRONOUS_M106_M107)
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, BLOCK_FLAG_SYNC_FANS = _BV(BLOCK_BIT_SYNC_FANS)
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#endif
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};
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#define BLOCK_MASK_SYNC ( BLOCK_FLAG_SYNC_POSITION | TERN0(LASER_SYNCHRONOUS_M106_M107, BLOCK_FLAG_SYNC_FANS) )
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#if ENABLED(LASER_POWER_INLINE)
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typedef struct {
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bool isPlanned:1;
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bool isEnabled:1;
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bool dir:1;
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bool Reserved:6;
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} power_status_t;
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typedef struct {
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power_status_t status; // See planner settings for meaning
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uint8_t power; // Ditto; When in trapezoid mode this is nominal power
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#if ENABLED(LASER_POWER_INLINE_TRAPEZOID)
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uint8_t power_entry; // Entry power for the laser
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#if DISABLED(LASER_POWER_INLINE_TRAPEZOID_CONT)
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uint8_t power_exit; // Exit power for the laser
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uint32_t entry_per, // Steps per power increment (to avoid floats in stepper calcs)
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exit_per; // Steps per power decrement
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#endif
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#endif
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} block_laser_t;
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#endif
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/**
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* struct block_t
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*
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* A single entry in the planner buffer.
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* Tracks linear movement over multiple axes.
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*
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* The "nominal" values are as-specified by gcode, and
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* may never actually be reached due to acceleration limits.
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*/
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typedef struct block_t {
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volatile uint8_t flag; // Block flags (See BlockFlag enum above) - Modified by ISR and main thread!
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// Fields used by the motion planner to manage acceleration
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float nominal_speed_sqr, // The nominal speed for this block in (mm/sec)^2
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entry_speed_sqr, // Entry speed at previous-current junction in (mm/sec)^2
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max_entry_speed_sqr, // Maximum allowable junction entry speed in (mm/sec)^2
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millimeters, // The total travel of this block in mm
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acceleration; // acceleration mm/sec^2
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union {
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abce_ulong_t steps; // Step count along each axis
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abce_long_t position; // New position to force when this sync block is executed
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};
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uint32_t step_event_count; // The number of step events required to complete this block
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#if HAS_MULTI_EXTRUDER
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uint8_t extruder; // The extruder to move (if E move)
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#else
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static constexpr uint8_t extruder = 0;
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#endif
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#if ENABLED(MIXING_EXTRUDER)
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mixer_comp_t b_color[MIXING_STEPPERS]; // Normalized color for the mixing steppers
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#endif
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// Settings for the trapezoid generator
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uint32_t accelerate_until, // The index of the step event on which to stop acceleration
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decelerate_after; // The index of the step event on which to start decelerating
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#if ENABLED(S_CURVE_ACCELERATION)
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uint32_t cruise_rate, // The actual cruise rate to use, between end of the acceleration phase and start of deceleration phase
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acceleration_time, // Acceleration time and deceleration time in STEP timer counts
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deceleration_time,
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acceleration_time_inverse, // Inverse of acceleration and deceleration periods, expressed as integer. Scale depends on CPU being used
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deceleration_time_inverse;
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#else
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uint32_t acceleration_rate; // The acceleration rate used for acceleration calculation
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#endif
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uint8_t direction_bits; // The direction bit set for this block (refers to *_DIRECTION_BIT in config.h)
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// Advance extrusion
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#if ENABLED(LIN_ADVANCE)
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bool use_advance_lead;
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uint16_t advance_speed, // STEP timer value for extruder speed offset ISR
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max_adv_steps, // max. advance steps to get cruising speed pressure (not always nominal_speed!)
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final_adv_steps; // advance steps due to exit speed
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float e_D_ratio;
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#endif
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uint32_t nominal_rate, // The nominal step rate for this block in step_events/sec
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initial_rate, // The jerk-adjusted step rate at start of block
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final_rate, // The minimal rate at exit
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acceleration_steps_per_s2; // acceleration steps/sec^2
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#if ENABLED(DIRECT_STEPPING)
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page_idx_t page_idx; // Page index used for direct stepping
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#endif
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#if HAS_CUTTER
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cutter_power_t cutter_power; // Power level for Spindle, Laser, etc.
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#endif
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#if HAS_FAN
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uint8_t fan_speed[FAN_COUNT];
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#endif
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#if ENABLED(BARICUDA)
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uint8_t valve_pressure, e_to_p_pressure;
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#endif
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#if HAS_WIRED_LCD
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uint32_t segment_time_us;
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#endif
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#if ENABLED(POWER_LOSS_RECOVERY)
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uint32_t sdpos;
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#endif
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#if ENABLED(LASER_POWER_INLINE)
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block_laser_t laser;
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#endif
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} block_t;
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#if ANY(LIN_ADVANCE, SCARA_FEEDRATE_SCALING, GRADIENT_MIX, LCD_SHOW_E_TOTAL)
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#define HAS_POSITION_FLOAT 1
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#endif
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#define BLOCK_MOD(n) ((n)&(BLOCK_BUFFER_SIZE-1))
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#if ENABLED(LASER_POWER_INLINE)
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typedef struct {
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/**
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* Laser status flags
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*/
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power_status_t status;
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/**
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* Laser power: 0 or 255 in case of PWM-less laser,
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* or the OCR (oscillator count register) value;
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*
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* Using OCR instead of raw power, because it avoids
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* floating point operations during the move loop.
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*/
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uint8_t power;
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} laser_state_t;
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#endif
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typedef struct {
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uint32_t max_acceleration_mm_per_s2[DISTINCT_AXES], // (mm/s^2) M201 XYZE
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min_segment_time_us; // (µs) M205 B
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float axis_steps_per_mm[DISTINCT_AXES]; // (steps) M92 XYZE - Steps per millimeter
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feedRate_t max_feedrate_mm_s[DISTINCT_AXES]; // (mm/s) M203 XYZE - Max speeds
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float acceleration, // (mm/s^2) M204 S - Normal acceleration. DEFAULT ACCELERATION for all printing moves.
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retract_acceleration, // (mm/s^2) M204 R - Retract acceleration. Filament pull-back and push-forward while standing still in the other axes
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travel_acceleration; // (mm/s^2) M204 T - Travel acceleration. DEFAULT ACCELERATION for all NON printing moves.
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feedRate_t min_feedrate_mm_s, // (mm/s) M205 S - Minimum linear feedrate
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min_travel_feedrate_mm_s; // (mm/s) M205 T - Minimum travel feedrate
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} planner_settings_t;
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#if DISABLED(SKEW_CORRECTION)
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#define XY_SKEW_FACTOR 0
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#define XZ_SKEW_FACTOR 0
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#define YZ_SKEW_FACTOR 0
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#endif
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typedef struct {
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#if ENABLED(SKEW_CORRECTION_GCODE)
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float xy;
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#if ENABLED(SKEW_CORRECTION_FOR_Z)
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float xz, yz;
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#else
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const float xz = XZ_SKEW_FACTOR, yz = YZ_SKEW_FACTOR;
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#endif
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#else
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const float xy = XY_SKEW_FACTOR,
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xz = XZ_SKEW_FACTOR, yz = YZ_SKEW_FACTOR;
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#endif
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} skew_factor_t;
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#if ENABLED(DISABLE_INACTIVE_EXTRUDER)
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typedef IF<(BLOCK_BUFFER_SIZE > 64), uint16_t, uint8_t>::type last_move_t;
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#endif
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class Planner {
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public:
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/**
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* The move buffer, calculated in stepper steps
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*
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* block_buffer is a ring buffer...
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*
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* head,tail : indexes for write,read
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* head==tail : the buffer is empty
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* head!=tail : blocks are in the buffer
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* head==(tail-1)%size : the buffer is full
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*
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* Writer of head is Planner::buffer_segment().
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* Reader of tail is Stepper::isr(). Always consider tail busy / read-only
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*/
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static block_t block_buffer[BLOCK_BUFFER_SIZE];
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static volatile uint8_t block_buffer_head, // Index of the next block to be pushed
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block_buffer_nonbusy, // Index of the first non busy block
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block_buffer_planned, // Index of the optimally planned block
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block_buffer_tail; // Index of the busy block, if any
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static uint16_t cleaning_buffer_counter; // A counter to disable queuing of blocks
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static uint8_t delay_before_delivering; // This counter delays delivery of blocks when queue becomes empty to allow the opportunity of merging blocks
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#if ENABLED(DISTINCT_E_FACTORS)
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static uint8_t last_extruder; // Respond to extruder change
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#endif
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#if ENABLED(DIRECT_STEPPING)
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static uint32_t last_page_step_rate; // Last page step rate given
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static xyze_bool_t last_page_dir; // Last page direction given
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#endif
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#if HAS_EXTRUDERS
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static int16_t flow_percentage[EXTRUDERS]; // Extrusion factor for each extruder
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static float e_factor[EXTRUDERS]; // The flow percentage and volumetric multiplier combine to scale E movement
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#endif
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#if DISABLED(NO_VOLUMETRICS)
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static float filament_size[EXTRUDERS], // diameter of filament (in millimeters), typically around 1.75 or 2.85, 0 disables the volumetric calculations for the extruder
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volumetric_area_nominal, // Nominal cross-sectional area
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volumetric_multiplier[EXTRUDERS]; // Reciprocal of cross-sectional area of filament (in mm^2). Pre-calculated to reduce computation in the planner
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// May be auto-adjusted by a filament width sensor
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#endif
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#if ENABLED(VOLUMETRIC_EXTRUDER_LIMIT)
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static float volumetric_extruder_limit[EXTRUDERS], // Maximum mm^3/sec the extruder can handle
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volumetric_extruder_feedrate_limit[EXTRUDERS]; // Feedrate limit (mm/s) calculated from volume limit
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#endif
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static planner_settings_t settings;
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#if ENABLED(LASER_POWER_INLINE)
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static laser_state_t laser_inline;
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#endif
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static uint32_t max_acceleration_steps_per_s2[DISTINCT_AXES]; // (steps/s^2) Derived from mm_per_s2
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static float steps_to_mm[DISTINCT_AXES]; // Millimeters per step
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#if HAS_JUNCTION_DEVIATION
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static float junction_deviation_mm; // (mm) M205 J
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#if HAS_LINEAR_E_JERK
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static float max_e_jerk[DISTINCT_E]; // Calculated from junction_deviation_mm
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#endif
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#endif
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#if HAS_CLASSIC_JERK
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// (mm/s^2) M205 XYZ(E) - The largest speed change requiring no acceleration.
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static TERN(HAS_LINEAR_E_JERK, xyz_pos_t, xyze_pos_t) max_jerk;
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#endif
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#if HAS_LEVELING
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static bool leveling_active; // Flag that bed leveling is enabled
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#if ABL_PLANAR
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static matrix_3x3 bed_level_matrix; // Transform to compensate for bed level
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#endif
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#if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
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static float z_fade_height, inverse_z_fade_height;
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#endif
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#else
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static constexpr bool leveling_active = false;
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#endif
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#if ENABLED(LIN_ADVANCE)
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static float extruder_advance_K[EXTRUDERS];
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#endif
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/**
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* The current position of the tool in absolute steps
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* Recalculated if any axis_steps_per_mm are changed by gcode
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*/
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static xyze_long_t position;
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#if HAS_POSITION_FLOAT
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static xyze_pos_t position_float;
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#endif
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#if IS_KINEMATIC
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static xyze_pos_t position_cart;
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#endif
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static skew_factor_t skew_factor;
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#if ENABLED(SD_ABORT_ON_ENDSTOP_HIT)
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static bool abort_on_endstop_hit;
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#endif
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#ifdef XY_FREQUENCY_LIMIT
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static int8_t xy_freq_limit_hz; // Minimum XY frequency setting
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static float xy_freq_min_speed_factor; // Minimum speed factor setting
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static int32_t xy_freq_min_interval_us; // Minimum segment time based on xy_freq_limit_hz
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static inline void refresh_frequency_limit() {
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//xy_freq_min_interval_us = xy_freq_limit_hz ?: LROUND(1000000.0f / xy_freq_limit_hz);
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if (xy_freq_limit_hz)
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xy_freq_min_interval_us = LROUND(1000000.0f / xy_freq_limit_hz);
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}
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static inline void set_min_speed_factor_u8(const uint8_t v255) {
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xy_freq_min_speed_factor = float(ui8_to_percent(v255)) / 100;
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}
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static inline void set_frequency_limit(const uint8_t hz) {
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xy_freq_limit_hz = constrain(hz, 0, 100);
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refresh_frequency_limit();
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}
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#endif
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private:
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/**
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* Speed of previous path line segment
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*/
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static xyze_float_t previous_speed;
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/**
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* Nominal speed of previous path line segment (mm/s)^2
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*/
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static float previous_nominal_speed_sqr;
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/**
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* Limit where 64bit math is necessary for acceleration calculation
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*/
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static uint32_t acceleration_long_cutoff;
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#if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
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static float last_fade_z;
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#endif
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#if ENABLED(DISABLE_INACTIVE_EXTRUDER)
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// Counters to manage disabling inactive extruder steppers
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static last_move_t g_uc_extruder_last_move[E_STEPPERS];
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#endif
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#if HAS_WIRED_LCD
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volatile static uint32_t block_buffer_runtime_us; // Theoretical block buffer runtime in µs
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#endif
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public:
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/**
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* Instance Methods
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*/
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Planner();
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void init();
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/**
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* Static (class) Methods
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*/
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// Recalculate steps/s^2 accelerations based on mm/s^2 settings
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static void reset_acceleration_rates();
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/**
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* Recalculate 'position' and 'steps_to_mm'.
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* Must be called whenever settings.axis_steps_per_mm changes!
|
|
*/
|
|
static void refresh_positioning();
|
|
|
|
// For an axis set the Maximum Acceleration in mm/s^2
|
|
static void set_max_acceleration(const uint8_t axis, float inMaxAccelMMS2);
|
|
|
|
// For an axis set the Maximum Feedrate in mm/s
|
|
static void set_max_feedrate(const uint8_t axis, float inMaxFeedrateMMS);
|
|
|
|
// For an axis set the Maximum Jerk (instant change) in mm/s
|
|
#if HAS_CLASSIC_JERK
|
|
static void set_max_jerk(const AxisEnum axis, float inMaxJerkMMS);
|
|
#else
|
|
static inline void set_max_jerk(const AxisEnum, const_float_t) {}
|
|
#endif
|
|
|
|
#if HAS_EXTRUDERS
|
|
FORCE_INLINE static void refresh_e_factor(const uint8_t e) {
|
|
e_factor[e] = flow_percentage[e] * 0.01f * TERN(NO_VOLUMETRICS, 1.0f, volumetric_multiplier[e]);
|
|
}
|
|
|
|
static inline void set_flow(const uint8_t e, const int16_t flow) {
|
|
flow_percentage[e] = flow;
|
|
refresh_e_factor(e);
|
|
}
|
|
|
|
#endif
|
|
|
|
// Manage fans, paste pressure, etc.
|
|
static void check_axes_activity();
|
|
|
|
// Apply fan speeds
|
|
#if HAS_FAN
|
|
static void sync_fan_speeds(uint8_t (&fan_speed)[FAN_COUNT]);
|
|
#if FAN_KICKSTART_TIME
|
|
static void kickstart_fan(uint8_t (&fan_speed)[FAN_COUNT], const millis_t &ms, const uint8_t f);
|
|
#else
|
|
FORCE_INLINE static void kickstart_fan(uint8_t (&)[FAN_COUNT], const millis_t &, const uint8_t) {}
|
|
#endif
|
|
#endif
|
|
|
|
#if ENABLED(FILAMENT_WIDTH_SENSOR)
|
|
void apply_filament_width_sensor(const int8_t encoded_ratio);
|
|
|
|
static inline float volumetric_percent(const bool vol) {
|
|
return 100.0f * (vol
|
|
? volumetric_area_nominal / volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM]
|
|
: volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM]
|
|
);
|
|
}
|
|
#endif
|
|
|
|
#if DISABLED(NO_VOLUMETRICS)
|
|
|
|
// Update multipliers based on new diameter measurements
|
|
static void calculate_volumetric_multipliers();
|
|
|
|
#if ENABLED(VOLUMETRIC_EXTRUDER_LIMIT)
|
|
// Update pre calculated extruder feedrate limits based on volumetric values
|
|
static void calculate_volumetric_extruder_limit(const uint8_t e);
|
|
static void calculate_volumetric_extruder_limits();
|
|
#endif
|
|
|
|
FORCE_INLINE static void set_filament_size(const uint8_t e, const_float_t v) {
|
|
filament_size[e] = v;
|
|
if (v > 0) volumetric_area_nominal = CIRCLE_AREA(v * 0.5); //TODO: should it be per extruder
|
|
// make sure all extruders have some sane value for the filament size
|
|
LOOP_L_N(i, COUNT(filament_size))
|
|
if (!filament_size[i]) filament_size[i] = DEFAULT_NOMINAL_FILAMENT_DIA;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if ENABLED(VOLUMETRIC_EXTRUDER_LIMIT)
|
|
FORCE_INLINE static void set_volumetric_extruder_limit(const uint8_t e, const_float_t v) {
|
|
volumetric_extruder_limit[e] = v;
|
|
calculate_volumetric_extruder_limit(e);
|
|
}
|
|
#endif
|
|
|
|
#if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
|
|
|
|
/**
|
|
* Get the Z leveling fade factor based on the given Z height,
|
|
* re-calculating only when needed.
|
|
*
|
|
* Returns 1.0 if planner.z_fade_height is 0.0.
|
|
* Returns 0.0 if Z is past the specified 'Fade Height'.
|
|
*/
|
|
static inline float fade_scaling_factor_for_z(const_float_t rz) {
|
|
static float z_fade_factor = 1;
|
|
if (!z_fade_height) return 1;
|
|
if (rz >= z_fade_height) return 0;
|
|
if (last_fade_z != rz) {
|
|
last_fade_z = rz;
|
|
z_fade_factor = 1 - rz * inverse_z_fade_height;
|
|
}
|
|
return z_fade_factor;
|
|
}
|
|
|
|
FORCE_INLINE static void force_fade_recalc() { last_fade_z = -999.999f; }
|
|
|
|
FORCE_INLINE static void set_z_fade_height(const_float_t zfh) {
|
|
z_fade_height = zfh > 0 ? zfh : 0;
|
|
inverse_z_fade_height = RECIPROCAL(z_fade_height);
|
|
force_fade_recalc();
|
|
}
|
|
|
|
FORCE_INLINE static bool leveling_active_at_z(const_float_t rz) {
|
|
return !z_fade_height || rz < z_fade_height;
|
|
}
|
|
|
|
#else
|
|
|
|
FORCE_INLINE static float fade_scaling_factor_for_z(const_float_t) { return 1; }
|
|
|
|
FORCE_INLINE static bool leveling_active_at_z(const_float_t) { return true; }
|
|
|
|
#endif
|
|
|
|
#if ENABLED(SKEW_CORRECTION)
|
|
|
|
FORCE_INLINE static void skew(float &cx, float &cy, const_float_t cz) {
|
|
if (COORDINATE_OKAY(cx, X_MIN_POS + 1, X_MAX_POS) && COORDINATE_OKAY(cy, Y_MIN_POS + 1, Y_MAX_POS)) {
|
|
const float sx = cx - cy * skew_factor.xy - cz * (skew_factor.xz - (skew_factor.xy * skew_factor.yz)),
|
|
sy = cy - cz * skew_factor.yz;
|
|
if (COORDINATE_OKAY(sx, X_MIN_POS, X_MAX_POS) && COORDINATE_OKAY(sy, Y_MIN_POS, Y_MAX_POS)) {
|
|
cx = sx; cy = sy;
|
|
}
|
|
}
|
|
}
|
|
FORCE_INLINE static void skew(xyz_pos_t &raw) { skew(raw.x, raw.y, raw.z); }
|
|
|
|
FORCE_INLINE static void unskew(float &cx, float &cy, const_float_t cz) {
|
|
if (COORDINATE_OKAY(cx, X_MIN_POS, X_MAX_POS) && COORDINATE_OKAY(cy, Y_MIN_POS, Y_MAX_POS)) {
|
|
const float sx = cx + cy * skew_factor.xy + cz * skew_factor.xz,
|
|
sy = cy + cz * skew_factor.yz;
|
|
if (COORDINATE_OKAY(sx, X_MIN_POS, X_MAX_POS) && COORDINATE_OKAY(sy, Y_MIN_POS, Y_MAX_POS)) {
|
|
cx = sx; cy = sy;
|
|
}
|
|
}
|
|
}
|
|
FORCE_INLINE static void unskew(xyz_pos_t &raw) { unskew(raw.x, raw.y, raw.z); }
|
|
|
|
#endif // SKEW_CORRECTION
|
|
|
|
#if HAS_LEVELING
|
|
/**
|
|
* Apply leveling to transform a cartesian position
|
|
* as it will be given to the planner and steppers.
|
|
*/
|
|
static void apply_leveling(xyz_pos_t &raw);
|
|
static void unapply_leveling(xyz_pos_t &raw);
|
|
FORCE_INLINE static void force_unapply_leveling(xyz_pos_t &raw) {
|
|
leveling_active = true;
|
|
unapply_leveling(raw);
|
|
leveling_active = false;
|
|
}
|
|
#else
|
|
FORCE_INLINE static void apply_leveling(xyz_pos_t&) {}
|
|
FORCE_INLINE static void unapply_leveling(xyz_pos_t&) {}
|
|
#endif
|
|
|
|
#if ENABLED(FWRETRACT)
|
|
static void apply_retract(float &rz, float &e);
|
|
FORCE_INLINE static void apply_retract(xyze_pos_t &raw) { apply_retract(raw.z, raw.e); }
|
|
static void unapply_retract(float &rz, float &e);
|
|
FORCE_INLINE static void unapply_retract(xyze_pos_t &raw) { unapply_retract(raw.z, raw.e); }
|
|
#endif
|
|
|
|
#if HAS_POSITION_MODIFIERS
|
|
FORCE_INLINE static void apply_modifiers(xyze_pos_t &pos, bool leveling=ENABLED(PLANNER_LEVELING)) {
|
|
TERN_(SKEW_CORRECTION, skew(pos));
|
|
if (leveling) apply_leveling(pos);
|
|
TERN_(FWRETRACT, apply_retract(pos));
|
|
}
|
|
|
|
FORCE_INLINE static void unapply_modifiers(xyze_pos_t &pos, bool leveling=ENABLED(PLANNER_LEVELING)) {
|
|
TERN_(FWRETRACT, unapply_retract(pos));
|
|
if (leveling) unapply_leveling(pos);
|
|
TERN_(SKEW_CORRECTION, unskew(pos));
|
|
}
|
|
#endif // HAS_POSITION_MODIFIERS
|
|
|
|
// Number of moves currently in the planner including the busy block, if any
|
|
FORCE_INLINE static uint8_t movesplanned() { return BLOCK_MOD(block_buffer_head - block_buffer_tail); }
|
|
|
|
// Number of nonbusy moves currently in the planner
|
|
FORCE_INLINE static uint8_t nonbusy_movesplanned() { return BLOCK_MOD(block_buffer_head - block_buffer_nonbusy); }
|
|
|
|
// Remove all blocks from the buffer
|
|
FORCE_INLINE static void clear_block_buffer() { block_buffer_nonbusy = block_buffer_planned = block_buffer_head = block_buffer_tail = 0; }
|
|
|
|
// Check if movement queue is full
|
|
FORCE_INLINE static bool is_full() { return block_buffer_tail == next_block_index(block_buffer_head); }
|
|
|
|
// Get count of movement slots free
|
|
FORCE_INLINE static uint8_t moves_free() { return BLOCK_BUFFER_SIZE - 1 - movesplanned(); }
|
|
|
|
/**
|
|
* Planner::get_next_free_block
|
|
*
|
|
* - Get the next head indices (passed by reference)
|
|
* - Wait for the number of spaces to open up in the planner
|
|
* - Return the first head block
|
|
*/
|
|
FORCE_INLINE static block_t* get_next_free_block(uint8_t &next_buffer_head, const uint8_t count=1) {
|
|
|
|
// Wait until there are enough slots free
|
|
while (moves_free() < count) { idle(); }
|
|
|
|
// Return the first available block
|
|
next_buffer_head = next_block_index(block_buffer_head);
|
|
return &block_buffer[block_buffer_head];
|
|
}
|
|
|
|
/**
|
|
* Planner::_buffer_steps
|
|
*
|
|
* Add a new linear movement to the buffer (in terms of steps).
|
|
*
|
|
* target - target position in steps units
|
|
* fr_mm_s - (target) speed of the move
|
|
* extruder - target extruder
|
|
* millimeters - the length of the movement, if known
|
|
*
|
|
* Returns true if movement was buffered, false otherwise
|
|
*/
|
|
static bool _buffer_steps(const xyze_long_t &target
|
|
OPTARG(HAS_POSITION_FLOAT, const xyze_pos_t &target_float)
|
|
OPTARG(HAS_DIST_MM_ARG, const xyze_float_t &cart_dist_mm)
|
|
, feedRate_t fr_mm_s, const uint8_t extruder, const_float_t millimeters=0.0
|
|
);
|
|
|
|
/**
|
|
* Planner::_populate_block
|
|
*
|
|
* Fills a new linear movement in the block (in terms of steps).
|
|
*
|
|
* target - target position in steps units
|
|
* fr_mm_s - (target) speed of the move
|
|
* extruder - target extruder
|
|
* millimeters - the length of the movement, if known
|
|
*
|
|
* Returns true is movement is acceptable, false otherwise
|
|
*/
|
|
static bool _populate_block(block_t * const block, bool split_move, const xyze_long_t &target
|
|
OPTARG(HAS_POSITION_FLOAT, const xyze_pos_t &target_float)
|
|
OPTARG(HAS_DIST_MM_ARG, const xyze_float_t &cart_dist_mm)
|
|
, feedRate_t fr_mm_s, const uint8_t extruder, const_float_t millimeters=0.0
|
|
);
|
|
|
|
/**
|
|
* Planner::buffer_sync_block
|
|
* Add a block to the buffer that just updates the position or in
|
|
* case of LASER_SYNCHRONOUS_M106_M107 the fan pwm
|
|
*/
|
|
static void buffer_sync_block(
|
|
TERN_(LASER_SYNCHRONOUS_M106_M107, uint8_t sync_flag=BLOCK_FLAG_SYNC_POSITION)
|
|
);
|
|
|
|
#if IS_KINEMATIC
|
|
private:
|
|
|
|
// Allow do_homing_move to access internal functions, such as buffer_segment.
|
|
friend void do_homing_move(const AxisEnum, const float, const feedRate_t, const bool);
|
|
#endif
|
|
|
|
/**
|
|
* Planner::buffer_segment
|
|
*
|
|
* Add a new linear movement to the buffer in axis units.
|
|
*
|
|
* Leveling and kinematics should be applied ahead of calling this.
|
|
*
|
|
* a,b,c,e - target positions in mm and/or degrees
|
|
* fr_mm_s - (target) speed of the move
|
|
* extruder - target extruder
|
|
* millimeters - the length of the movement, if known
|
|
*/
|
|
static bool buffer_segment(const abce_pos_t &abce
|
|
OPTARG(HAS_DIST_MM_ARG, const xyze_float_t &cart_dist_mm)
|
|
, const_feedRate_t fr_mm_s, const uint8_t extruder=active_extruder, const_float_t millimeters=0.0
|
|
);
|
|
|
|
public:
|
|
|
|
/**
|
|
* Add a new linear movement to the buffer.
|
|
* The target is cartesian. It's translated to
|
|
* delta/scara if needed.
|
|
*
|
|
* cart - target position in mm or degrees
|
|
* fr_mm_s - (target) speed of the move (mm/s)
|
|
* extruder - target extruder
|
|
* millimeters - the length of the movement, if known
|
|
* inv_duration - the reciprocal if the duration of the movement, if known (kinematic only if feeedrate scaling is enabled)
|
|
*/
|
|
static bool buffer_line(const xyze_pos_t &cart, const_feedRate_t fr_mm_s, const uint8_t extruder=active_extruder, const float millimeters=0.0
|
|
OPTARG(SCARA_FEEDRATE_SCALING, const_float_t inv_duration=0.0)
|
|
);
|
|
|
|
#if ENABLED(DIRECT_STEPPING)
|
|
static void buffer_page(const page_idx_t page_idx, const uint8_t extruder, const uint16_t num_steps);
|
|
#endif
|
|
|
|
/**
|
|
* Set the planner.position and individual stepper positions.
|
|
* Used by G92, G28, G29, and other procedures.
|
|
*
|
|
* The supplied position is in the cartesian coordinate space and is
|
|
* translated in to machine space as needed. Modifiers such as leveling
|
|
* and skew are also applied.
|
|
*
|
|
* Multiplies by axis_steps_per_mm[] and does necessary conversion
|
|
* for COREXY / COREXZ / COREYZ to set the corresponding stepper positions.
|
|
*
|
|
* Clears previous speed values.
|
|
*/
|
|
static void set_position_mm(const xyze_pos_t &xyze);
|
|
|
|
#if HAS_EXTRUDERS
|
|
static void set_e_position_mm(const_float_t e);
|
|
#endif
|
|
|
|
/**
|
|
* Set the planner.position and individual stepper positions.
|
|
*
|
|
* The supplied position is in machine space, and no additional
|
|
* conversions are applied.
|
|
*/
|
|
static void set_machine_position_mm(const abce_pos_t &abce);
|
|
|
|
/**
|
|
* Get an axis position according to stepper position(s)
|
|
* For CORE machines apply translation from ABC to XYZ.
|
|
*/
|
|
static float get_axis_position_mm(const AxisEnum axis);
|
|
|
|
static inline abce_pos_t get_axis_positions_mm() {
|
|
const abce_pos_t out = LOGICAL_AXIS_ARRAY(
|
|
get_axis_position_mm(E_AXIS),
|
|
get_axis_position_mm(A_AXIS), get_axis_position_mm(B_AXIS), get_axis_position_mm(C_AXIS),
|
|
get_axis_position_mm(I_AXIS), get_axis_position_mm(J_AXIS), get_axis_position_mm(K_AXIS)
|
|
);
|
|
return out;
|
|
}
|
|
|
|
// SCARA AB axes are in degrees, not mm
|
|
#if IS_SCARA
|
|
FORCE_INLINE static float get_axis_position_degrees(const AxisEnum axis) { return get_axis_position_mm(axis); }
|
|
#endif
|
|
|
|
// Called to force a quick stop of the machine (for example, when
|
|
// a Full Shutdown is required, or when endstops are hit)
|
|
static void quick_stop();
|
|
|
|
#if ENABLED(REALTIME_REPORTING_COMMANDS)
|
|
// Force a quick pause of the machine (e.g., when a pause is required in the middle of move).
|
|
// NOTE: Hard-stops will lose steps so encoders are highly recommended if using these!
|
|
static void quick_pause();
|
|
static void quick_resume();
|
|
#endif
|
|
|
|
// Called when an endstop is triggered. Causes the machine to stop inmediately
|
|
static void endstop_triggered(const AxisEnum axis);
|
|
|
|
// Triggered position of an axis in mm (not core-savvy)
|
|
static float triggered_position_mm(const AxisEnum axis);
|
|
|
|
// Block until all buffered steps are executed / cleaned
|
|
static void synchronize();
|
|
|
|
// Wait for moves to finish and disable all steppers
|
|
static void finish_and_disable();
|
|
|
|
// Periodic handler to manage the cleaning buffer counter
|
|
// Called from the Temperature ISR at ~1kHz
|
|
static void isr() { if (cleaning_buffer_counter) --cleaning_buffer_counter; }
|
|
|
|
/**
|
|
* Does the buffer have any blocks queued?
|
|
*/
|
|
FORCE_INLINE static bool has_blocks_queued() { return (block_buffer_head != block_buffer_tail); }
|
|
|
|
/**
|
|
* Get the current block for processing
|
|
* and mark the block as busy.
|
|
* Return nullptr if the buffer is empty
|
|
* or if there is a first-block delay.
|
|
*
|
|
* WARNING: Called from Stepper ISR context!
|
|
*/
|
|
static block_t* get_current_block();
|
|
|
|
/**
|
|
* "Release" the current block so its slot can be reused.
|
|
* Called when the current block is no longer needed.
|
|
*/
|
|
FORCE_INLINE static void release_current_block() {
|
|
if (has_blocks_queued())
|
|
block_buffer_tail = next_block_index(block_buffer_tail);
|
|
}
|
|
|
|
#if HAS_WIRED_LCD
|
|
static uint16_t block_buffer_runtime();
|
|
static void clear_block_buffer_runtime();
|
|
#endif
|
|
|
|
#if ENABLED(AUTOTEMP)
|
|
static celsius_t autotemp_min, autotemp_max;
|
|
static float autotemp_factor;
|
|
static bool autotemp_enabled;
|
|
static void autotemp_update();
|
|
static void autotemp_M104_M109();
|
|
static void autotemp_task();
|
|
#endif
|
|
|
|
#if HAS_LINEAR_E_JERK
|
|
FORCE_INLINE static void recalculate_max_e_jerk() {
|
|
const float prop = junction_deviation_mm * SQRT(0.5) / (1.0f - SQRT(0.5));
|
|
LOOP_L_N(i, EXTRUDERS)
|
|
max_e_jerk[E_INDEX_N(i)] = SQRT(prop * settings.max_acceleration_mm_per_s2[E_INDEX_N(i)]);
|
|
}
|
|
#endif
|
|
|
|
private:
|
|
|
|
#if ENABLED(AUTOTEMP)
|
|
#if ENABLED(AUTOTEMP_PROPORTIONAL)
|
|
static void _autotemp_update_from_hotend();
|
|
#else
|
|
static inline void _autotemp_update_from_hotend() {}
|
|
#endif
|
|
#endif
|
|
|
|
/**
|
|
* Get the index of the next / previous block in the ring buffer
|
|
*/
|
|
static constexpr uint8_t next_block_index(const uint8_t block_index) { return BLOCK_MOD(block_index + 1); }
|
|
static constexpr uint8_t prev_block_index(const uint8_t block_index) { return BLOCK_MOD(block_index - 1); }
|
|
|
|
/**
|
|
* Calculate the distance (not time) it takes to accelerate
|
|
* from initial_rate to target_rate using the given acceleration:
|
|
*/
|
|
static float estimate_acceleration_distance(const_float_t initial_rate, const_float_t target_rate, const_float_t accel) {
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if (accel == 0) return 0; // accel was 0, set acceleration distance to 0
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return (sq(target_rate) - sq(initial_rate)) / (accel * 2);
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}
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/**
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* Return the point at which you must start braking (at the rate of -'accel') if
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* you start at 'initial_rate', accelerate (until reaching the point), and want to end at
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* 'final_rate' after traveling 'distance'.
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*
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* This is used to compute the intersection point between acceleration and deceleration
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* in cases where the "trapezoid" has no plateau (i.e., never reaches maximum speed)
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*/
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static float intersection_distance(const_float_t initial_rate, const_float_t final_rate, const_float_t accel, const_float_t distance) {
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if (accel == 0) return 0; // accel was 0, set intersection distance to 0
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return (accel * 2 * distance - sq(initial_rate) + sq(final_rate)) / (accel * 4);
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}
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/**
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* Calculate the maximum allowable speed squared at this point, in order
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* to reach 'target_velocity_sqr' using 'acceleration' within a given
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* 'distance'.
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*/
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static float max_allowable_speed_sqr(const_float_t accel, const_float_t target_velocity_sqr, const_float_t distance) {
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return target_velocity_sqr - 2 * accel * distance;
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}
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#if ENABLED(S_CURVE_ACCELERATION)
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/**
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* Calculate the speed reached given initial speed, acceleration and distance
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*/
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static float final_speed(const_float_t initial_velocity, const_float_t accel, const_float_t distance) {
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return SQRT(sq(initial_velocity) + 2 * accel * distance);
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}
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#endif
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static void calculate_trapezoid_for_block(block_t * const block, const_float_t entry_factor, const_float_t exit_factor);
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static void reverse_pass_kernel(block_t * const current, const block_t * const next);
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static void forward_pass_kernel(const block_t * const previous, block_t * const current, uint8_t block_index);
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static void reverse_pass();
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static void forward_pass();
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static void recalculate_trapezoids();
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|
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static void recalculate();
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|
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#if HAS_JUNCTION_DEVIATION
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FORCE_INLINE static void normalize_junction_vector(xyze_float_t &vector) {
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float magnitude_sq = 0;
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LOOP_LOGICAL_AXES(idx) if (vector[idx]) magnitude_sq += sq(vector[idx]);
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vector *= RSQRT(magnitude_sq);
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}
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FORCE_INLINE static float limit_value_by_axis_maximum(const_float_t max_value, xyze_float_t &unit_vec) {
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float limit_value = max_value;
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LOOP_LOGICAL_AXES(idx) {
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if (unit_vec[idx]) {
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if (limit_value * ABS(unit_vec[idx]) > settings.max_acceleration_mm_per_s2[idx])
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limit_value = ABS(settings.max_acceleration_mm_per_s2[idx] / unit_vec[idx]);
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}
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}
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return limit_value;
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}
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|
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#endif // !CLASSIC_JERK
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|
};
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#define PLANNER_XY_FEEDRATE() _MIN(planner.settings.max_feedrate_mm_s[X_AXIS], planner.settings.max_feedrate_mm_s[Y_AXIS])
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|
|
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extern Planner planner;
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