/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016, 2017 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*
*/
/**
* About Marlin
*
* This firmware is a mashup between Sprinter and grbl.
* - https://github.com/kliment/Sprinter
* - https://github.com/simen/grbl
*/
#include "Marlin.h"
#include "lcd/ultralcd.h"
#include "module/motion.h"
#include "module/planner.h"
#include "module/stepper.h"
#include "module/endstops.h"
#include "module/temperature.h"
#include "sd/cardreader.h"
#include "module/configuration_store.h"
#ifdef ARDUINO
#include
#endif
#include
#include "libs/nozzle.h"
#include "libs/duration_t.h"
#include "gcode/gcode.h"
#include "gcode/parser.h"
#include "gcode/queue.h"
#if HAS_BUZZER && DISABLED(LCD_USE_I2C_BUZZER)
#include "libs/buzzer.h"
#endif
#if HAS_ABL
#include "libs/vector_3.h"
#if ENABLED(AUTO_BED_LEVELING_LINEAR)
#include "libs/least_squares_fit.h"
#endif
#elif ENABLED(MESH_BED_LEVELING)
#include "feature/mbl/mesh_bed_leveling.h"
#endif
#if (ENABLED(SWITCHING_EXTRUDER) && !DONT_SWITCH) || ENABLED(SWITCHING_NOZZLE)
#include "module/tool_change.h"
#endif
#if ENABLED(BEZIER_CURVE_SUPPORT)
#include "module/planner_bezier.h"
#endif
#if ENABLED(MAX7219_DEBUG)
#include "feature/Max7219_Debug_LEDs.h"
#endif
#if HAS_COLOR_LEDS
#include "feature/leds/leds.h"
#endif
#if HAS_SERVOS
#include "HAL/servo.h"
#endif
#if HAS_DIGIPOTSS
#include
#endif
#if ENABLED(DAC_STEPPER_CURRENT)
#include "feature/dac/stepper_dac.h"
#endif
#if ENABLED(EXPERIMENTAL_I2CBUS)
#include "feature/twibus.h"
#endif
#if ENABLED(I2C_POSITION_ENCODERS)
#include "feature/I2CPositionEncoder.h"
#endif
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
#include "HAL/HAL_endstop_interrupts.h"
#endif
#if ENABLED(M100_FREE_MEMORY_WATCHER)
void M100_dump_routine(const char * const title, const char *start, const char *end);
#endif
#if ENABLED(SDSUPPORT)
CardReader card;
#endif
#if ENABLED(EXPERIMENTAL_I2CBUS)
TWIBus i2c;
#endif
#if ENABLED(G38_PROBE_TARGET)
bool G38_move = false,
G38_endstop_hit = false;
#endif
#if ENABLED(AUTO_BED_LEVELING_UBL)
#include "feature/ubl/ubl.h"
extern bool defer_return_to_status;
unified_bed_leveling ubl;
#define UBL_MESH_VALID !( ( ubl.z_values[0][0] == ubl.z_values[0][1] && ubl.z_values[0][1] == ubl.z_values[0][2] \
&& ubl.z_values[1][0] == ubl.z_values[1][1] && ubl.z_values[1][1] == ubl.z_values[1][2] \
&& ubl.z_values[2][0] == ubl.z_values[2][1] && ubl.z_values[2][1] == ubl.z_values[2][2] \
&& ubl.z_values[0][0] == 0 && ubl.z_values[1][0] == 0 && ubl.z_values[2][0] == 0 ) \
|| isnan(ubl.z_values[0][0]))
#endif
#if ENABLED(SENSORLESS_HOMING)
#include "feature/tmc2130.h"
#endif
bool Running = true;
/**
* axis_homed
* Flags that each linear axis was homed.
* XYZ on cartesian, ABC on delta, ABZ on SCARA.
*
* axis_known_position
* Flags that the position is known in each linear axis. Set when homed.
* Cleared whenever a stepper powers off, potentially losing its position.
*/
bool axis_homed[XYZ] = { false }, axis_known_position[XYZ] = { false };
#if ENABLED(TEMPERATURE_UNITS_SUPPORT)
TempUnit input_temp_units = TEMPUNIT_C;
#endif
/**
* Feed rates are often configured with mm/m
* but the planner and stepper like mm/s units.
*/
static const float homing_feedrate_mm_s[] PROGMEM = {
#if ENABLED(DELTA)
MMM_TO_MMS(HOMING_FEEDRATE_Z), MMM_TO_MMS(HOMING_FEEDRATE_Z),
#else
MMM_TO_MMS(HOMING_FEEDRATE_XY), MMM_TO_MMS(HOMING_FEEDRATE_XY),
#endif
MMM_TO_MMS(HOMING_FEEDRATE_Z), 0
};
FORCE_INLINE float homing_feedrate(const AxisEnum a) { return pgm_read_float(&homing_feedrate_mm_s[a]); }
static float saved_feedrate_mm_s;
int16_t feedrate_percentage = 100, saved_feedrate_percentage,
flow_percentage[EXTRUDERS] = ARRAY_BY_EXTRUDERS1(100);
// Initialized by settings.load()
bool volumetric_enabled;
float filament_size[EXTRUDERS], volumetric_multiplier[EXTRUDERS];
#if HAS_WORKSPACE_OFFSET
#if HAS_POSITION_SHIFT
// The distance that XYZ has been offset by G92. Reset by G28.
float position_shift[XYZ] = { 0 };
#endif
#if HAS_HOME_OFFSET
// This offset is added to the configured home position.
// Set by M206, M428, or menu item. Saved to EEPROM.
float home_offset[XYZ] = { 0 };
#endif
#if HAS_HOME_OFFSET && HAS_POSITION_SHIFT
// The above two are combined to save on computes
float workspace_offset[XYZ] = { 0 };
#endif
#endif
#if FAN_COUNT > 0
int16_t fanSpeeds[FAN_COUNT] = { 0 };
#if ENABLED(PROBING_FANS_OFF)
bool fans_paused = false;
int16_t paused_fanSpeeds[FAN_COUNT] = { 0 };
#endif
#endif
// For M109 and M190, this flag may be cleared (by M108) to exit the wait loop
volatile bool wait_for_heatup = true;
// For M0/M1, this flag may be cleared (by M108) to exit the wait-for-user loop
#if HAS_RESUME_CONTINUE
volatile bool wait_for_user = false;
#endif
// Inactivity shutdown
millis_t previous_cmd_ms = 0;
static millis_t max_inactive_time = 0;
static millis_t stepper_inactive_time = (DEFAULT_STEPPER_DEACTIVE_TIME) * 1000UL;
// Print Job Timer
#if ENABLED(PRINTCOUNTER)
PrintCounter print_job_timer = PrintCounter();
#else
Stopwatch print_job_timer = Stopwatch();
#endif
#if HAS_BED_PROBE
float zprobe_zoffset; // Initialized by settings.load()
#endif
#if HAS_ABL
float xy_probe_feedrate_mm_s = MMM_TO_MMS(XY_PROBE_SPEED);
#define XY_PROBE_FEEDRATE_MM_S xy_probe_feedrate_mm_s
#elif defined(XY_PROBE_SPEED)
#define XY_PROBE_FEEDRATE_MM_S MMM_TO_MMS(XY_PROBE_SPEED)
#else
#define XY_PROBE_FEEDRATE_MM_S PLANNER_XY_FEEDRATE()
#endif
#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
#if ENABLED(DELTA)
#define ADJUST_DELTA(V) \
if (planner.abl_enabled) { \
const float zadj = bilinear_z_offset(V); \
delta[A_AXIS] += zadj; \
delta[B_AXIS] += zadj; \
delta[C_AXIS] += zadj; \
}
#else
#define ADJUST_DELTA(V) if (planner.abl_enabled) { delta[Z_AXIS] += bilinear_z_offset(V); }
#endif
#elif IS_KINEMATIC
#define ADJUST_DELTA(V) NOOP
#endif
#if ENABLED(Z_DUAL_ENDSTOPS)
float z_endstop_adj;
#endif
// Extruder offsets
#if HOTENDS > 1
float hotend_offset[XYZ][HOTENDS]; // Initialized by settings.load()
#endif
#if HAS_Z_SERVO_ENDSTOP
const int z_servo_angle[2] = Z_SERVO_ANGLES;
#endif
#if ENABLED(BARICUDA)
uint8_t baricuda_valve_pressure = 0,
baricuda_e_to_p_pressure = 0;
#endif
#if HAS_POWER_SWITCH
bool powersupply_on =
#if ENABLED(PS_DEFAULT_OFF)
false
#else
true
#endif
;
#endif
#if ENABLED(DELTA)
float delta[ABC],
endstop_adj[ABC] = { 0 };
// Initialized by settings.load()
float delta_radius,
delta_tower_angle_trim[2],
delta_tower[ABC][2],
delta_diagonal_rod,
delta_calibration_radius,
delta_diagonal_rod_2_tower[ABC],
delta_segments_per_second,
delta_clip_start_height = Z_MAX_POS;
float delta_safe_distance_from_top();
#endif
#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
int bilinear_grid_spacing[2], bilinear_start[2];
float bilinear_grid_factor[2],
z_values[GRID_MAX_POINTS_X][GRID_MAX_POINTS_Y];
#endif
#if IS_SCARA
// Float constants for SCARA calculations
const float L1 = SCARA_LINKAGE_1, L2 = SCARA_LINKAGE_2,
L1_2 = sq(float(L1)), L1_2_2 = 2.0 * L1_2,
L2_2 = sq(float(L2));
float delta_segments_per_second = SCARA_SEGMENTS_PER_SECOND,
delta[ABC];
#endif
float cartes[XYZ] = { 0 };
#if ENABLED(FILAMENT_WIDTH_SENSOR)
bool filament_sensor = false; // M405 turns on filament sensor control. M406 turns it off.
float filament_width_nominal = DEFAULT_NOMINAL_FILAMENT_DIA, // Nominal filament width. Change with M404.
filament_width_meas = DEFAULT_MEASURED_FILAMENT_DIA; // Measured filament diameter
uint8_t meas_delay_cm = MEASUREMENT_DELAY_CM, // Distance delay setting
measurement_delay[MAX_MEASUREMENT_DELAY + 1]; // Ring buffer to delayed measurement. Store extruder factor after subtracting 100
int8_t filwidth_delay_index[2] = { 0, -1 }; // Indexes into ring buffer
#endif
#if ENABLED(FILAMENT_RUNOUT_SENSOR)
static bool filament_ran_out = false;
#endif
#if ENABLED(ADVANCED_PAUSE_FEATURE)
AdvancedPauseMenuResponse advanced_pause_menu_response;
#endif
#if ENABLED(MIXING_EXTRUDER)
float mixing_factor[MIXING_STEPPERS]; // Reciprocal of mix proportion. 0.0 = off, otherwise >= 1.0.
#if MIXING_VIRTUAL_TOOLS > 1
float mixing_virtual_tool_mix[MIXING_VIRTUAL_TOOLS][MIXING_STEPPERS];
#endif
#endif
#if HAS_SERVOS
HAL_SERVO_LIB servo[NUM_SERVOS];
#define MOVE_SERVO(I, P) servo[I].move(P)
#if HAS_Z_SERVO_ENDSTOP
#define DEPLOY_Z_SERVO() MOVE_SERVO(Z_ENDSTOP_SERVO_NR, z_servo_angle[0])
#define STOW_Z_SERVO() MOVE_SERVO(Z_ENDSTOP_SERVO_NR, z_servo_angle[1])
#endif
#endif
#ifdef CHDK
millis_t chdkHigh = 0;
bool chdkActive = false;
#endif
#if ENABLED(PID_EXTRUSION_SCALING)
int lpq_len = 20;
#endif
#if ENABLED(HOST_KEEPALIVE_FEATURE)
MarlinBusyState busy_state = NOT_BUSY;
static millis_t next_busy_signal_ms = 0;
uint8_t host_keepalive_interval = DEFAULT_KEEPALIVE_INTERVAL;
#else
#define host_keepalive() NOOP
#endif
#if ENABLED(I2C_POSITION_ENCODERS)
I2CPositionEncodersMgr I2CPEM;
uint8_t blockBufferIndexRef = 0;
millis_t lastUpdateMillis;
#endif
#if ENABLED(CNC_WORKSPACE_PLANES)
static WorkspacePlane workspace_plane = PLANE_XY;
#endif
/**
* ***************************************************************************
* ******************************** FUNCTIONS ********************************
* ***************************************************************************
*/
void stop();
void get_cartesian_from_steppers();
void set_current_from_steppers_for_axis(const AxisEnum axis);
#if ENABLED(BEZIER_CURVE_SUPPORT)
void plan_cubic_move(const float offset[4]);
#endif
void report_current_position();
#if ENABLED(DIGIPOT_I2C)
extern void digipot_i2c_set_current(uint8_t channel, float current);
extern void digipot_i2c_init();
#endif
void setup_killpin() {
#if HAS_KILL
SET_INPUT_PULLUP(KILL_PIN);
#endif
}
#if ENABLED(FILAMENT_RUNOUT_SENSOR)
void setup_filrunoutpin() {
#if ENABLED(ENDSTOPPULLUP_FIL_RUNOUT)
SET_INPUT_PULLUP(FIL_RUNOUT_PIN);
#else
SET_INPUT(FIL_RUNOUT_PIN);
#endif
}
#endif
void setup_powerhold() {
#if HAS_SUICIDE
OUT_WRITE(SUICIDE_PIN, HIGH);
#endif
#if HAS_POWER_SWITCH
#if ENABLED(PS_DEFAULT_OFF)
OUT_WRITE(PS_ON_PIN, PS_ON_ASLEEP);
#else
OUT_WRITE(PS_ON_PIN, PS_ON_AWAKE);
#endif
#endif
}
void suicide() {
#if HAS_SUICIDE
OUT_WRITE(SUICIDE_PIN, LOW);
#endif
}
void servo_init() {
#if NUM_SERVOS >= 1 && HAS_SERVO_0
servo[0].attach(SERVO0_PIN);
servo[0].detach(); // Just set up the pin. We don't have a position yet. Don't move to a random position.
#endif
#if NUM_SERVOS >= 2 && HAS_SERVO_1
servo[1].attach(SERVO1_PIN);
servo[1].detach();
#endif
#if NUM_SERVOS >= 3 && HAS_SERVO_2
servo[2].attach(SERVO2_PIN);
servo[2].detach();
#endif
#if NUM_SERVOS >= 4 && HAS_SERVO_3
servo[3].attach(SERVO3_PIN);
servo[3].detach();
#endif
#if HAS_Z_SERVO_ENDSTOP
/**
* Set position of Z Servo Endstop
*
* The servo might be deployed and positioned too low to stow
* when starting up the machine or rebooting the board.
* There's no way to know where the nozzle is positioned until
* homing has been done - no homing with z-probe without init!
*
*/
STOW_Z_SERVO();
#endif
}
/**
* Stepper Reset (RigidBoard, et.al.)
*/
#if HAS_STEPPER_RESET
void disableStepperDrivers() {
OUT_WRITE(STEPPER_RESET_PIN, LOW); // drive it down to hold in reset motor driver chips
}
void enableStepperDrivers() { SET_INPUT(STEPPER_RESET_PIN); } // set to input, which allows it to be pulled high by pullups
#endif
#if ENABLED(EXPERIMENTAL_I2CBUS) && I2C_SLAVE_ADDRESS > 0
void i2c_on_receive(int bytes) { // just echo all bytes received to serial
i2c.receive(bytes);
}
void i2c_on_request() { // just send dummy data for now
i2c.reply("Hello World!\n");
}
#endif
#if HAS_WORKSPACE_OFFSET || ENABLED(DUAL_X_CARRIAGE)
/**
* Software endstops can be used to monitor the open end of
* an axis that has a hardware endstop on the other end. Or
* they can prevent axes from moving past endstops and grinding.
*
* To keep doing their job as the coordinate system changes,
* the software endstop positions must be refreshed to remain
* at the same positions relative to the machine.
*/
void update_software_endstops(const AxisEnum axis) {
const float offs = 0.0
#if HAS_HOME_OFFSET
+ home_offset[axis]
#endif
#if HAS_POSITION_SHIFT
+ position_shift[axis]
#endif
;
#if HAS_HOME_OFFSET && HAS_POSITION_SHIFT
workspace_offset[axis] = offs;
#endif
#if ENABLED(DUAL_X_CARRIAGE)
if (axis == X_AXIS) {
// In Dual X mode hotend_offset[X] is T1's home position
float dual_max_x = max(hotend_offset[X_AXIS][1], X2_MAX_POS);
if (active_extruder != 0) {
// T1 can move from X2_MIN_POS to X2_MAX_POS or X2 home position (whichever is larger)
soft_endstop_min[X_AXIS] = X2_MIN_POS + offs;
soft_endstop_max[X_AXIS] = dual_max_x + offs;
}
else if (dual_x_carriage_mode == DXC_DUPLICATION_MODE) {
// In Duplication Mode, T0 can move as far left as X_MIN_POS
// but not so far to the right that T1 would move past the end
soft_endstop_min[X_AXIS] = base_min_pos(X_AXIS) + offs;
soft_endstop_max[X_AXIS] = min(base_max_pos(X_AXIS), dual_max_x - duplicate_extruder_x_offset) + offs;
}
else {
// In other modes, T0 can move from X_MIN_POS to X_MAX_POS
soft_endstop_min[axis] = base_min_pos(axis) + offs;
soft_endstop_max[axis] = base_max_pos(axis) + offs;
}
}
#elif ENABLED(DELTA)
soft_endstop_min[axis] = base_min_pos(axis) + (axis == Z_AXIS ? 0 : offs);
soft_endstop_max[axis] = base_max_pos(axis) + offs;
#else
soft_endstop_min[axis] = base_min_pos(axis) + offs;
soft_endstop_max[axis] = base_max_pos(axis) + offs;
#endif
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPAIR("For ", axis_codes[axis]);
#if HAS_HOME_OFFSET
SERIAL_ECHOPAIR(" axis:\n home_offset = ", home_offset[axis]);
#endif
#if HAS_POSITION_SHIFT
SERIAL_ECHOPAIR("\n position_shift = ", position_shift[axis]);
#endif
SERIAL_ECHOPAIR("\n soft_endstop_min = ", soft_endstop_min[axis]);
SERIAL_ECHOLNPAIR("\n soft_endstop_max = ", soft_endstop_max[axis]);
}
#endif
#if ENABLED(DELTA)
if (axis == Z_AXIS)
delta_clip_start_height = soft_endstop_max[axis] - delta_safe_distance_from_top();
#endif
}
#endif // HAS_WORKSPACE_OFFSET || DUAL_X_CARRIAGE
#if HAS_M206_COMMAND
/**
* Change the home offset for an axis, update the current
* position and the software endstops to retain the same
* relative distance to the new home.
*
* Since this changes the current_position, code should
* call sync_plan_position soon after this.
*/
static void set_home_offset(const AxisEnum axis, const float v) {
current_position[axis] += v - home_offset[axis];
home_offset[axis] = v;
update_software_endstops(axis);
}
#endif // HAS_M206_COMMAND
/**
* Set an axis' current position to its home position (after homing).
*
* For Core and Cartesian robots this applies one-to-one when an
* individual axis has been homed.
*
* DELTA should wait until all homing is done before setting the XYZ
* current_position to home, because homing is a single operation.
* In the case where the axis positions are already known and previously
* homed, DELTA could home to X or Y individually by moving either one
* to the center. However, homing Z always homes XY and Z.
*
* SCARA should wait until all XY homing is done before setting the XY
* current_position to home, because neither X nor Y is at home until
* both are at home. Z can however be homed individually.
*
* Callers must sync the planner position after calling this!
*/
static void set_axis_is_at_home(const AxisEnum axis) {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPAIR(">>> set_axis_is_at_home(", axis_codes[axis]);
SERIAL_CHAR(')');
SERIAL_EOL();
}
#endif
axis_known_position[axis] = axis_homed[axis] = true;
#if HAS_POSITION_SHIFT
position_shift[axis] = 0;
update_software_endstops(axis);
#endif
#if ENABLED(DUAL_X_CARRIAGE)
if (axis == X_AXIS && (active_extruder == 1 || dual_x_carriage_mode == DXC_DUPLICATION_MODE)) {
current_position[X_AXIS] = x_home_pos(active_extruder);
return;
}
#endif
#if ENABLED(MORGAN_SCARA)
/**
* Morgan SCARA homes XY at the same time
*/
if (axis == X_AXIS || axis == Y_AXIS) {
float homeposition[XYZ];
LOOP_XYZ(i) homeposition[i] = LOGICAL_POSITION(base_home_pos((AxisEnum)i), i);
// SERIAL_ECHOPAIR("homeposition X:", homeposition[X_AXIS]);
// SERIAL_ECHOLNPAIR(" Y:", homeposition[Y_AXIS]);
/**
* Get Home position SCARA arm angles using inverse kinematics,
* and calculate homing offset using forward kinematics
*/
inverse_kinematics(homeposition);
forward_kinematics_SCARA(delta[A_AXIS], delta[B_AXIS]);
// SERIAL_ECHOPAIR("Cartesian X:", cartes[X_AXIS]);
// SERIAL_ECHOLNPAIR(" Y:", cartes[Y_AXIS]);
current_position[axis] = LOGICAL_POSITION(cartes[axis], axis);
/**
* SCARA home positions are based on configuration since the actual
* limits are determined by the inverse kinematic transform.
*/
soft_endstop_min[axis] = base_min_pos(axis); // + (cartes[axis] - base_home_pos(axis));
soft_endstop_max[axis] = base_max_pos(axis); // + (cartes[axis] - base_home_pos(axis));
}
else
#endif
{
current_position[axis] = LOGICAL_POSITION(base_home_pos(axis), axis);
}
/**
* Z Probe Z Homing? Account for the probe's Z offset.
*/
#if HAS_BED_PROBE && Z_HOME_DIR < 0
if (axis == Z_AXIS) {
#if HOMING_Z_WITH_PROBE
current_position[Z_AXIS] -= zprobe_zoffset;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOLNPGM("*** Z HOMED WITH PROBE (Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN) ***");
SERIAL_ECHOLNPAIR("> zprobe_zoffset = ", zprobe_zoffset);
}
#endif
#elif ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("*** Z HOMED TO ENDSTOP (Z_MIN_PROBE_ENDSTOP) ***");
#endif
}
#endif
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
#if HAS_HOME_OFFSET
SERIAL_ECHOPAIR("> home_offset[", axis_codes[axis]);
SERIAL_ECHOLNPAIR("] = ", home_offset[axis]);
#endif
DEBUG_POS("", current_position);
SERIAL_ECHOPAIR("<<< set_axis_is_at_home(", axis_codes[axis]);
SERIAL_CHAR(')');
SERIAL_EOL();
}
#endif
#if ENABLED(I2C_POSITION_ENCODERS)
I2CPEM.homed(axis);
#endif
}
/**
* Some planner shorthand inline functions
*/
inline float get_homing_bump_feedrate(const AxisEnum axis) {
static const uint8_t homing_bump_divisor[] PROGMEM = HOMING_BUMP_DIVISOR;
uint8_t hbd = pgm_read_byte(&homing_bump_divisor[axis]);
if (hbd < 1) {
hbd = 10;
SERIAL_ECHO_START();
SERIAL_ECHOLNPGM("Warning: Homing Bump Divisor < 1");
}
return homing_feedrate(axis) / hbd;
}
/**
* Plan a move to (X, Y, Z) and set the current_position
* The final current_position may not be the one that was requested
*/
void do_blocking_move_to(const float &lx, const float &ly, const float &lz, const float &fr_mm_s/*=0.0*/) {
const float old_feedrate_mm_s = feedrate_mm_s;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) print_xyz(PSTR(">>> do_blocking_move_to"), NULL, lx, ly, lz);
#endif
#if ENABLED(DELTA)
if (!position_is_reachable_xy(lx, ly)) return;
feedrate_mm_s = fr_mm_s ? fr_mm_s : XY_PROBE_FEEDRATE_MM_S;
set_destination_to_current(); // sync destination at the start
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("set_destination_to_current", destination);
#endif
// when in the danger zone
if (current_position[Z_AXIS] > delta_clip_start_height) {
if (lz > delta_clip_start_height) { // staying in the danger zone
destination[X_AXIS] = lx; // move directly (uninterpolated)
destination[Y_AXIS] = ly;
destination[Z_AXIS] = lz;
prepare_uninterpolated_move_to_destination(); // set_current_to_destination
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("danger zone move", current_position);
#endif
return;
}
else {
destination[Z_AXIS] = delta_clip_start_height;
prepare_uninterpolated_move_to_destination(); // set_current_to_destination
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("zone border move", current_position);
#endif
}
}
if (lz > current_position[Z_AXIS]) { // raising?
destination[Z_AXIS] = lz;
prepare_uninterpolated_move_to_destination(); // set_current_to_destination
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("z raise move", current_position);
#endif
}
destination[X_AXIS] = lx;
destination[Y_AXIS] = ly;
prepare_move_to_destination(); // set_current_to_destination
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("xy move", current_position);
#endif
if (lz < current_position[Z_AXIS]) { // lowering?
destination[Z_AXIS] = lz;
prepare_uninterpolated_move_to_destination(); // set_current_to_destination
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("z lower move", current_position);
#endif
}
#elif IS_SCARA
if (!position_is_reachable_xy(lx, ly)) return;
set_destination_to_current();
// If Z needs to raise, do it before moving XY
if (destination[Z_AXIS] < lz) {
destination[Z_AXIS] = lz;
prepare_uninterpolated_move_to_destination(fr_mm_s ? fr_mm_s : homing_feedrate(Z_AXIS));
}
destination[X_AXIS] = lx;
destination[Y_AXIS] = ly;
prepare_uninterpolated_move_to_destination(fr_mm_s ? fr_mm_s : XY_PROBE_FEEDRATE_MM_S);
// If Z needs to lower, do it after moving XY
if (destination[Z_AXIS] > lz) {
destination[Z_AXIS] = lz;
prepare_uninterpolated_move_to_destination(fr_mm_s ? fr_mm_s : homing_feedrate(Z_AXIS));
}
#else
// If Z needs to raise, do it before moving XY
if (current_position[Z_AXIS] < lz) {
feedrate_mm_s = fr_mm_s ? fr_mm_s : homing_feedrate(Z_AXIS);
current_position[Z_AXIS] = lz;
line_to_current_position();
}
feedrate_mm_s = fr_mm_s ? fr_mm_s : XY_PROBE_FEEDRATE_MM_S;
current_position[X_AXIS] = lx;
current_position[Y_AXIS] = ly;
line_to_current_position();
// If Z needs to lower, do it after moving XY
if (current_position[Z_AXIS] > lz) {
feedrate_mm_s = fr_mm_s ? fr_mm_s : homing_feedrate(Z_AXIS);
current_position[Z_AXIS] = lz;
line_to_current_position();
}
#endif
stepper.synchronize();
feedrate_mm_s = old_feedrate_mm_s;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("<<< do_blocking_move_to");
#endif
}
void do_blocking_move_to_x(const float &lx, const float &fr_mm_s/*=0.0*/) {
do_blocking_move_to(lx, current_position[Y_AXIS], current_position[Z_AXIS], fr_mm_s);
}
void do_blocking_move_to_z(const float &lz, const float &fr_mm_s/*=0.0*/) {
do_blocking_move_to(current_position[X_AXIS], current_position[Y_AXIS], lz, fr_mm_s);
}
void do_blocking_move_to_xy(const float &lx, const float &ly, const float &fr_mm_s/*=0.0*/) {
do_blocking_move_to(lx, ly, current_position[Z_AXIS], fr_mm_s);
}
//
// Prepare to do endstop or probe moves
// with custom feedrates.
//
// - Save current feedrates
// - Reset the rate multiplier
// - Reset the command timeout
// - Enable the endstops (for endstop moves)
//
static void setup_for_endstop_or_probe_move() {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("setup_for_endstop_or_probe_move", current_position);
#endif
saved_feedrate_mm_s = feedrate_mm_s;
saved_feedrate_percentage = feedrate_percentage;
feedrate_percentage = 100;
gcode.refresh_cmd_timeout();
}
static void clean_up_after_endstop_or_probe_move() {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("clean_up_after_endstop_or_probe_move", current_position);
#endif
feedrate_mm_s = saved_feedrate_mm_s;
feedrate_percentage = saved_feedrate_percentage;
gcode.refresh_cmd_timeout();
}
#if HAS_BED_PROBE
/**
* Raise Z to a minimum height to make room for a probe to move
*/
inline void do_probe_raise(const float z_raise) {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPAIR("do_probe_raise(", z_raise);
SERIAL_CHAR(')');
SERIAL_EOL();
}
#endif
float z_dest = z_raise;
if (zprobe_zoffset < 0) z_dest -= zprobe_zoffset;
if (z_dest > current_position[Z_AXIS])
do_blocking_move_to_z(z_dest);
}
#endif // HAS_BED_PROBE
#if HAS_PROBING_PROCEDURE || HOTENDS > 1 || ENABLED(Z_PROBE_ALLEN_KEY) || ENABLED(Z_PROBE_SLED) || ENABLED(NOZZLE_CLEAN_FEATURE) || ENABLED(NOZZLE_PARK_FEATURE) || ENABLED(DELTA_AUTO_CALIBRATION)
bool axis_unhomed_error(const bool x/*=true*/, const bool y/*=true*/, const bool z/*=true*/) {
#if ENABLED(HOME_AFTER_DEACTIVATE)
const bool xx = x && !axis_known_position[X_AXIS],
yy = y && !axis_known_position[Y_AXIS],
zz = z && !axis_known_position[Z_AXIS];
#else
const bool xx = x && !axis_homed[X_AXIS],
yy = y && !axis_homed[Y_AXIS],
zz = z && !axis_homed[Z_AXIS];
#endif
if (xx || yy || zz) {
SERIAL_ECHO_START();
SERIAL_ECHOPGM(MSG_HOME " ");
if (xx) SERIAL_ECHOPGM(MSG_X);
if (yy) SERIAL_ECHOPGM(MSG_Y);
if (zz) SERIAL_ECHOPGM(MSG_Z);
SERIAL_ECHOLNPGM(" " MSG_FIRST);
#if ENABLED(ULTRA_LCD)
lcd_status_printf_P(0, PSTR(MSG_HOME " %s%s%s " MSG_FIRST), xx ? MSG_X : "", yy ? MSG_Y : "", zz ? MSG_Z : "");
#endif
return true;
}
return false;
}
#endif
#if ENABLED(Z_PROBE_SLED)
#ifndef SLED_DOCKING_OFFSET
#define SLED_DOCKING_OFFSET 0
#endif
/**
* Method to dock/undock a sled designed by Charles Bell.
*
* stow[in] If false, move to MAX_X and engage the solenoid
* If true, move to MAX_X and release the solenoid
*/
static void dock_sled(bool stow) {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPAIR("dock_sled(", stow);
SERIAL_CHAR(')');
SERIAL_EOL();
}
#endif
// Dock sled a bit closer to ensure proper capturing
do_blocking_move_to_x(X_MAX_POS + SLED_DOCKING_OFFSET - ((stow) ? 1 : 0));
#if HAS_SOLENOID_1 && DISABLED(EXT_SOLENOID)
WRITE(SOL1_PIN, !stow); // switch solenoid
#endif
}
#elif ENABLED(Z_PROBE_ALLEN_KEY)
FORCE_INLINE void do_blocking_move_to(const float logical[XYZ], const float &fr_mm_s) {
do_blocking_move_to(logical[X_AXIS], logical[Y_AXIS], logical[Z_AXIS], fr_mm_s);
}
void run_deploy_moves_script() {
#if defined(Z_PROBE_ALLEN_KEY_DEPLOY_1_X) || defined(Z_PROBE_ALLEN_KEY_DEPLOY_1_Y) || defined(Z_PROBE_ALLEN_KEY_DEPLOY_1_Z)
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_1_X
#define Z_PROBE_ALLEN_KEY_DEPLOY_1_X current_position[X_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_1_Y
#define Z_PROBE_ALLEN_KEY_DEPLOY_1_Y current_position[Y_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_1_Z
#define Z_PROBE_ALLEN_KEY_DEPLOY_1_Z current_position[Z_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_1_FEEDRATE
#define Z_PROBE_ALLEN_KEY_DEPLOY_1_FEEDRATE 0.0
#endif
const float deploy_1[] = { Z_PROBE_ALLEN_KEY_DEPLOY_1_X, Z_PROBE_ALLEN_KEY_DEPLOY_1_Y, Z_PROBE_ALLEN_KEY_DEPLOY_1_Z };
do_blocking_move_to(deploy_1, MMM_TO_MMS(Z_PROBE_ALLEN_KEY_DEPLOY_1_FEEDRATE));
#endif
#if defined(Z_PROBE_ALLEN_KEY_DEPLOY_2_X) || defined(Z_PROBE_ALLEN_KEY_DEPLOY_2_Y) || defined(Z_PROBE_ALLEN_KEY_DEPLOY_2_Z)
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_2_X
#define Z_PROBE_ALLEN_KEY_DEPLOY_2_X current_position[X_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_2_Y
#define Z_PROBE_ALLEN_KEY_DEPLOY_2_Y current_position[Y_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_2_Z
#define Z_PROBE_ALLEN_KEY_DEPLOY_2_Z current_position[Z_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_2_FEEDRATE
#define Z_PROBE_ALLEN_KEY_DEPLOY_2_FEEDRATE 0.0
#endif
const float deploy_2[] = { Z_PROBE_ALLEN_KEY_DEPLOY_2_X, Z_PROBE_ALLEN_KEY_DEPLOY_2_Y, Z_PROBE_ALLEN_KEY_DEPLOY_2_Z };
do_blocking_move_to(deploy_2, MMM_TO_MMS(Z_PROBE_ALLEN_KEY_DEPLOY_2_FEEDRATE));
#endif
#if defined(Z_PROBE_ALLEN_KEY_DEPLOY_3_X) || defined(Z_PROBE_ALLEN_KEY_DEPLOY_3_Y) || defined(Z_PROBE_ALLEN_KEY_DEPLOY_3_Z)
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_3_X
#define Z_PROBE_ALLEN_KEY_DEPLOY_3_X current_position[X_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_3_Y
#define Z_PROBE_ALLEN_KEY_DEPLOY_3_Y current_position[Y_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_3_Z
#define Z_PROBE_ALLEN_KEY_DEPLOY_3_Z current_position[Z_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_3_FEEDRATE
#define Z_PROBE_ALLEN_KEY_DEPLOY_3_FEEDRATE 0.0
#endif
const float deploy_3[] = { Z_PROBE_ALLEN_KEY_DEPLOY_3_X, Z_PROBE_ALLEN_KEY_DEPLOY_3_Y, Z_PROBE_ALLEN_KEY_DEPLOY_3_Z };
do_blocking_move_to(deploy_3, MMM_TO_MMS(Z_PROBE_ALLEN_KEY_DEPLOY_3_FEEDRATE));
#endif
#if defined(Z_PROBE_ALLEN_KEY_DEPLOY_4_X) || defined(Z_PROBE_ALLEN_KEY_DEPLOY_4_Y) || defined(Z_PROBE_ALLEN_KEY_DEPLOY_4_Z)
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_4_X
#define Z_PROBE_ALLEN_KEY_DEPLOY_4_X current_position[X_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_4_Y
#define Z_PROBE_ALLEN_KEY_DEPLOY_4_Y current_position[Y_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_4_Z
#define Z_PROBE_ALLEN_KEY_DEPLOY_4_Z current_position[Z_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_4_FEEDRATE
#define Z_PROBE_ALLEN_KEY_DEPLOY_4_FEEDRATE 0.0
#endif
const float deploy_4[] = { Z_PROBE_ALLEN_KEY_DEPLOY_4_X, Z_PROBE_ALLEN_KEY_DEPLOY_4_Y, Z_PROBE_ALLEN_KEY_DEPLOY_4_Z };
do_blocking_move_to(deploy_4, MMM_TO_MMS(Z_PROBE_ALLEN_KEY_DEPLOY_4_FEEDRATE));
#endif
#if defined(Z_PROBE_ALLEN_KEY_DEPLOY_5_X) || defined(Z_PROBE_ALLEN_KEY_DEPLOY_5_Y) || defined(Z_PROBE_ALLEN_KEY_DEPLOY_5_Z)
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_5_X
#define Z_PROBE_ALLEN_KEY_DEPLOY_5_X current_position[X_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_5_Y
#define Z_PROBE_ALLEN_KEY_DEPLOY_5_Y current_position[Y_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_5_Z
#define Z_PROBE_ALLEN_KEY_DEPLOY_5_Z current_position[Z_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_DEPLOY_5_FEEDRATE
#define Z_PROBE_ALLEN_KEY_DEPLOY_5_FEEDRATE 0.0
#endif
const float deploy_5[] = { Z_PROBE_ALLEN_KEY_DEPLOY_5_X, Z_PROBE_ALLEN_KEY_DEPLOY_5_Y, Z_PROBE_ALLEN_KEY_DEPLOY_5_Z };
do_blocking_move_to(deploy_5, MMM_TO_MMS(Z_PROBE_ALLEN_KEY_DEPLOY_5_FEEDRATE));
#endif
}
void run_stow_moves_script() {
#if defined(Z_PROBE_ALLEN_KEY_STOW_1_X) || defined(Z_PROBE_ALLEN_KEY_STOW_1_Y) || defined(Z_PROBE_ALLEN_KEY_STOW_1_Z)
#ifndef Z_PROBE_ALLEN_KEY_STOW_1_X
#define Z_PROBE_ALLEN_KEY_STOW_1_X current_position[X_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_1_Y
#define Z_PROBE_ALLEN_KEY_STOW_1_Y current_position[Y_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_1_Z
#define Z_PROBE_ALLEN_KEY_STOW_1_Z current_position[Z_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_1_FEEDRATE
#define Z_PROBE_ALLEN_KEY_STOW_1_FEEDRATE 0.0
#endif
const float stow_1[] = { Z_PROBE_ALLEN_KEY_STOW_1_X, Z_PROBE_ALLEN_KEY_STOW_1_Y, Z_PROBE_ALLEN_KEY_STOW_1_Z };
do_blocking_move_to(stow_1, MMM_TO_MMS(Z_PROBE_ALLEN_KEY_STOW_1_FEEDRATE));
#endif
#if defined(Z_PROBE_ALLEN_KEY_STOW_2_X) || defined(Z_PROBE_ALLEN_KEY_STOW_2_Y) || defined(Z_PROBE_ALLEN_KEY_STOW_2_Z)
#ifndef Z_PROBE_ALLEN_KEY_STOW_2_X
#define Z_PROBE_ALLEN_KEY_STOW_2_X current_position[X_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_2_Y
#define Z_PROBE_ALLEN_KEY_STOW_2_Y current_position[Y_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_2_Z
#define Z_PROBE_ALLEN_KEY_STOW_2_Z current_position[Z_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_2_FEEDRATE
#define Z_PROBE_ALLEN_KEY_STOW_2_FEEDRATE 0.0
#endif
const float stow_2[] = { Z_PROBE_ALLEN_KEY_STOW_2_X, Z_PROBE_ALLEN_KEY_STOW_2_Y, Z_PROBE_ALLEN_KEY_STOW_2_Z };
do_blocking_move_to(stow_2, MMM_TO_MMS(Z_PROBE_ALLEN_KEY_STOW_2_FEEDRATE));
#endif
#if defined(Z_PROBE_ALLEN_KEY_STOW_3_X) || defined(Z_PROBE_ALLEN_KEY_STOW_3_Y) || defined(Z_PROBE_ALLEN_KEY_STOW_3_Z)
#ifndef Z_PROBE_ALLEN_KEY_STOW_3_X
#define Z_PROBE_ALLEN_KEY_STOW_3_X current_position[X_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_3_Y
#define Z_PROBE_ALLEN_KEY_STOW_3_Y current_position[Y_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_3_Z
#define Z_PROBE_ALLEN_KEY_STOW_3_Z current_position[Z_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_3_FEEDRATE
#define Z_PROBE_ALLEN_KEY_STOW_3_FEEDRATE 0.0
#endif
const float stow_3[] = { Z_PROBE_ALLEN_KEY_STOW_3_X, Z_PROBE_ALLEN_KEY_STOW_3_Y, Z_PROBE_ALLEN_KEY_STOW_3_Z };
do_blocking_move_to(stow_3, MMM_TO_MMS(Z_PROBE_ALLEN_KEY_STOW_3_FEEDRATE));
#endif
#if defined(Z_PROBE_ALLEN_KEY_STOW_4_X) || defined(Z_PROBE_ALLEN_KEY_STOW_4_Y) || defined(Z_PROBE_ALLEN_KEY_STOW_4_Z)
#ifndef Z_PROBE_ALLEN_KEY_STOW_4_X
#define Z_PROBE_ALLEN_KEY_STOW_4_X current_position[X_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_4_Y
#define Z_PROBE_ALLEN_KEY_STOW_4_Y current_position[Y_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_4_Z
#define Z_PROBE_ALLEN_KEY_STOW_4_Z current_position[Z_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_4_FEEDRATE
#define Z_PROBE_ALLEN_KEY_STOW_4_FEEDRATE 0.0
#endif
const float stow_4[] = { Z_PROBE_ALLEN_KEY_STOW_4_X, Z_PROBE_ALLEN_KEY_STOW_4_Y, Z_PROBE_ALLEN_KEY_STOW_4_Z };
do_blocking_move_to(stow_4, MMM_TO_MMS(Z_PROBE_ALLEN_KEY_STOW_4_FEEDRATE));
#endif
#if defined(Z_PROBE_ALLEN_KEY_STOW_5_X) || defined(Z_PROBE_ALLEN_KEY_STOW_5_Y) || defined(Z_PROBE_ALLEN_KEY_STOW_5_Z)
#ifndef Z_PROBE_ALLEN_KEY_STOW_5_X
#define Z_PROBE_ALLEN_KEY_STOW_5_X current_position[X_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_5_Y
#define Z_PROBE_ALLEN_KEY_STOW_5_Y current_position[Y_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_5_Z
#define Z_PROBE_ALLEN_KEY_STOW_5_Z current_position[Z_AXIS]
#endif
#ifndef Z_PROBE_ALLEN_KEY_STOW_5_FEEDRATE
#define Z_PROBE_ALLEN_KEY_STOW_5_FEEDRATE 0.0
#endif
const float stow_5[] = { Z_PROBE_ALLEN_KEY_STOW_5_X, Z_PROBE_ALLEN_KEY_STOW_5_Y, Z_PROBE_ALLEN_KEY_STOW_5_Z };
do_blocking_move_to(stow_5, MMM_TO_MMS(Z_PROBE_ALLEN_KEY_STOW_5_FEEDRATE));
#endif
}
#endif
#if ENABLED(PROBING_FANS_OFF)
void fans_pause(const bool p) {
if (p != fans_paused) {
fans_paused = p;
if (p)
for (uint8_t x = 0; x < FAN_COUNT; x++) {
paused_fanSpeeds[x] = fanSpeeds[x];
fanSpeeds[x] = 0;
}
else
for (uint8_t x = 0; x < FAN_COUNT; x++)
fanSpeeds[x] = paused_fanSpeeds[x];
}
}
#endif // PROBING_FANS_OFF
#if HAS_BED_PROBE
// TRIGGERED_WHEN_STOWED_TEST can easily be extended to servo probes, ... if needed.
#if ENABLED(PROBE_IS_TRIGGERED_WHEN_STOWED_TEST)
#if ENABLED(Z_MIN_PROBE_ENDSTOP)
#define _TRIGGERED_WHEN_STOWED_TEST (READ(Z_MIN_PROBE_PIN) != Z_MIN_PROBE_ENDSTOP_INVERTING)
#else
#define _TRIGGERED_WHEN_STOWED_TEST (READ(Z_MIN_PIN) != Z_MIN_ENDSTOP_INVERTING)
#endif
#endif
#if QUIET_PROBING
void probing_pause(const bool p) {
#if ENABLED(PROBING_HEATERS_OFF)
thermalManager.pause(p);
#endif
#if ENABLED(PROBING_FANS_OFF)
fans_pause(p);
#endif
if (p) safe_delay(
#if DELAY_BEFORE_PROBING > 25
DELAY_BEFORE_PROBING
#else
25
#endif
);
}
#endif // QUIET_PROBING
#if ENABLED(BLTOUCH)
void bltouch_command(int angle) {
MOVE_SERVO(Z_ENDSTOP_SERVO_NR, angle); // Give the BL-Touch the command and wait
safe_delay(BLTOUCH_DELAY);
}
bool set_bltouch_deployed(const bool deploy) {
if (deploy && TEST_BLTOUCH()) { // If BL-Touch says it's triggered
bltouch_command(BLTOUCH_RESET); // try to reset it.
bltouch_command(BLTOUCH_DEPLOY); // Also needs to deploy and stow to
bltouch_command(BLTOUCH_STOW); // clear the triggered condition.
safe_delay(1500); // Wait for internal self-test to complete.
// (Measured completion time was 0.65 seconds
// after reset, deploy, and stow sequence)
if (TEST_BLTOUCH()) { // If it still claims to be triggered...
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM(MSG_STOP_BLTOUCH);
stop(); // punt!
return true;
}
}
bltouch_command(deploy ? BLTOUCH_DEPLOY : BLTOUCH_STOW);
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPAIR("set_bltouch_deployed(", deploy);
SERIAL_CHAR(')');
SERIAL_EOL();
}
#endif
return false;
}
#endif // BLTOUCH
// returns false for ok and true for failure
bool set_probe_deployed(bool deploy) {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
DEBUG_POS("set_probe_deployed", current_position);
SERIAL_ECHOLNPAIR("deploy: ", deploy);
}
#endif
if (endstops.z_probe_enabled == deploy) return false;
// Make room for probe
do_probe_raise(_Z_CLEARANCE_DEPLOY_PROBE);
#if ENABLED(Z_PROBE_SLED) || ENABLED(Z_PROBE_ALLEN_KEY)
#if ENABLED(Z_PROBE_SLED)
#define _AUE_ARGS true, false, false
#else
#define _AUE_ARGS
#endif
if (axis_unhomed_error(_AUE_ARGS)) {
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM(MSG_STOP_UNHOMED);
stop();
return true;
}
#endif
const float oldXpos = current_position[X_AXIS],
oldYpos = current_position[Y_AXIS];
#ifdef _TRIGGERED_WHEN_STOWED_TEST
// If endstop is already false, the Z probe is deployed
if (_TRIGGERED_WHEN_STOWED_TEST == deploy) { // closed after the probe specific actions.
// Would a goto be less ugly?
//while (!_TRIGGERED_WHEN_STOWED_TEST) idle(); // would offer the opportunity
// for a triggered when stowed manual probe.
if (!deploy) endstops.enable_z_probe(false); // Switch off triggered when stowed probes early
// otherwise an Allen-Key probe can't be stowed.
#endif
#if ENABLED(SOLENOID_PROBE)
#if HAS_SOLENOID_1
WRITE(SOL1_PIN, deploy);
#endif
#elif ENABLED(Z_PROBE_SLED)
dock_sled(!deploy);
#elif HAS_Z_SERVO_ENDSTOP && DISABLED(BLTOUCH)
MOVE_SERVO(Z_ENDSTOP_SERVO_NR, z_servo_angle[deploy ? 0 : 1]);
#elif ENABLED(Z_PROBE_ALLEN_KEY)
deploy ? run_deploy_moves_script() : run_stow_moves_script();
#endif
#ifdef _TRIGGERED_WHEN_STOWED_TEST
} // _TRIGGERED_WHEN_STOWED_TEST == deploy
if (_TRIGGERED_WHEN_STOWED_TEST == deploy) { // State hasn't changed?
if (IsRunning()) {
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM("Z-Probe failed");
LCD_ALERTMESSAGEPGM("Err: ZPROBE");
}
stop();
return true;
} // _TRIGGERED_WHEN_STOWED_TEST == deploy
#endif
do_blocking_move_to(oldXpos, oldYpos, current_position[Z_AXIS]); // return to position before deploy
endstops.enable_z_probe(deploy);
return false;
}
/**
* @brief Used by run_z_probe to do a single Z probe move.
*
* @param z Z destination
* @param fr_mm_s Feedrate in mm/s
* @return true to indicate an error
*/
static bool do_probe_move(const float z, const float fr_mm_m) {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS(">>> do_probe_move", current_position);
#endif
// Deploy BLTouch at the start of any probe
#if ENABLED(BLTOUCH)
if (set_bltouch_deployed(true)) return true;
#endif
#if QUIET_PROBING
probing_pause(true);
#endif
// Move down until probe triggered
do_blocking_move_to_z(z, MMM_TO_MMS(fr_mm_m));
// Check to see if the probe was triggered
const bool probe_triggered = TEST(Endstops::endstop_hit_bits,
#if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
Z_MIN
#else
Z_MIN_PROBE
#endif
);
#if QUIET_PROBING
probing_pause(false);
#endif
// Retract BLTouch immediately after a probe if it was triggered
#if ENABLED(BLTOUCH)
if (probe_triggered && set_bltouch_deployed(false)) return true;
#endif
// Clear endstop flags
endstops.hit_on_purpose();
// Get Z where the steppers were interrupted
set_current_from_steppers_for_axis(Z_AXIS);
// Tell the planner where we actually are
SYNC_PLAN_POSITION_KINEMATIC();
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("<<< do_probe_move", current_position);
#endif
return !probe_triggered;
}
/**
* @details Used by probe_pt to do a single Z probe.
* Leaves current_position[Z_AXIS] at the height where the probe triggered.
*
* @param short_move Flag for a shorter probe move towards the bed
* @return The raw Z position where the probe was triggered
*/
static float run_z_probe(const bool short_move=true) {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS(">>> run_z_probe", current_position);
#endif
// Prevent stepper_inactive_time from running out and EXTRUDER_RUNOUT_PREVENT from extruding
gcode.refresh_cmd_timeout();
#if ENABLED(PROBE_DOUBLE_TOUCH)
// Do a first probe at the fast speed
if (do_probe_move(-10, Z_PROBE_SPEED_FAST)) return NAN;
#if ENABLED(DEBUG_LEVELING_FEATURE)
float first_probe_z = current_position[Z_AXIS];
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPAIR("1st Probe Z:", first_probe_z);
#endif
// move up to make clearance for the probe
do_blocking_move_to_z(current_position[Z_AXIS] + Z_CLEARANCE_BETWEEN_PROBES, MMM_TO_MMS(Z_PROBE_SPEED_FAST));
#else
// If the nozzle is above the travel height then
// move down quickly before doing the slow probe
float z = Z_CLEARANCE_DEPLOY_PROBE;
if (zprobe_zoffset < 0) z -= zprobe_zoffset;
if (z < current_position[Z_AXIS]) {
// If we don't make it to the z position (i.e. the probe triggered), move up to make clearance for the probe
if (!do_probe_move(z, Z_PROBE_SPEED_FAST))
do_blocking_move_to_z(current_position[Z_AXIS] + Z_CLEARANCE_BETWEEN_PROBES, MMM_TO_MMS(Z_PROBE_SPEED_FAST));
}
#endif
// move down slowly to find bed
if (do_probe_move(-10 + (short_move ? 0 : -(Z_MAX_LENGTH)), Z_PROBE_SPEED_SLOW)) return NAN;
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("<<< run_z_probe", current_position);
#endif
// Debug: compare probe heights
#if ENABLED(PROBE_DOUBLE_TOUCH) && ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPAIR("2nd Probe Z:", current_position[Z_AXIS]);
SERIAL_ECHOLNPAIR(" Discrepancy:", first_probe_z - current_position[Z_AXIS]);
}
#endif
return RAW_CURRENT_POSITION(Z) + zprobe_zoffset
#if ENABLED(DELTA)
+ home_offset[Z_AXIS] // Account for delta height adjustment
#endif
;
}
/**
* - Move to the given XY
* - Deploy the probe, if not already deployed
* - Probe the bed, get the Z position
* - Depending on the 'stow' flag
* - Stow the probe, or
* - Raise to the BETWEEN height
* - Return the probed Z position
*/
float probe_pt(const float &lx, const float &ly, const bool stow, const uint8_t verbose_level, const bool printable=true) {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPAIR(">>> probe_pt(", lx);
SERIAL_ECHOPAIR(", ", ly);
SERIAL_ECHOPAIR(", ", stow ? "" : "no ");
SERIAL_ECHOLNPGM("stow)");
DEBUG_POS("", current_position);
}
#endif
const float nx = lx - (X_PROBE_OFFSET_FROM_EXTRUDER), ny = ly - (Y_PROBE_OFFSET_FROM_EXTRUDER);
if (printable
? !position_is_reachable_xy(nx, ny)
: !position_is_reachable_by_probe_xy(lx, ly)
) return NAN;
const float old_feedrate_mm_s = feedrate_mm_s;
#if ENABLED(DELTA)
if (current_position[Z_AXIS] > delta_clip_start_height)
do_blocking_move_to_z(delta_clip_start_height);
#endif
#if HAS_SOFTWARE_ENDSTOPS
// Store the status of the soft endstops and disable if we're probing a non-printable location
static bool enable_soft_endstops = soft_endstops_enabled;
if (!printable) soft_endstops_enabled = false;
#endif
feedrate_mm_s = XY_PROBE_FEEDRATE_MM_S;
// Move the probe to the given XY
do_blocking_move_to_xy(nx, ny);
float measured_z = NAN;
if (!DEPLOY_PROBE()) {
measured_z = run_z_probe(printable);
if (!stow)
do_blocking_move_to_z(current_position[Z_AXIS] + Z_CLEARANCE_BETWEEN_PROBES, MMM_TO_MMS(Z_PROBE_SPEED_FAST));
else
if (STOW_PROBE()) measured_z = NAN;
}
#if HAS_SOFTWARE_ENDSTOPS
// Restore the soft endstop status
soft_endstops_enabled = enable_soft_endstops;
#endif
if (verbose_level > 2) {
SERIAL_PROTOCOLPGM("Bed X: ");
SERIAL_PROTOCOL_F(lx, 3);
SERIAL_PROTOCOLPGM(" Y: ");
SERIAL_PROTOCOL_F(ly, 3);
SERIAL_PROTOCOLPGM(" Z: ");
SERIAL_PROTOCOL_F(measured_z, 3);
SERIAL_EOL();
}
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("<<< probe_pt");
#endif
feedrate_mm_s = old_feedrate_mm_s;
if (isnan(measured_z)) {
LCD_MESSAGEPGM(MSG_ERR_PROBING_FAILED);
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM(MSG_ERR_PROBING_FAILED);
}
return measured_z;
}
#endif // HAS_BED_PROBE
#if HAS_LEVELING
bool leveling_is_valid() {
return
#if ENABLED(MESH_BED_LEVELING)
mbl.has_mesh()
#elif ENABLED(AUTO_BED_LEVELING_BILINEAR)
!!bilinear_grid_spacing[X_AXIS]
#elif ENABLED(AUTO_BED_LEVELING_UBL)
true
#else // 3POINT, LINEAR
true
#endif
;
}
bool leveling_is_active() {
return
#if ENABLED(MESH_BED_LEVELING)
mbl.active()
#elif ENABLED(AUTO_BED_LEVELING_UBL)
ubl.state.active
#else
planner.abl_enabled
#endif
;
}
/**
* Turn bed leveling on or off, fixing the current
* position as-needed.
*
* Disable: Current position = physical position
* Enable: Current position = "unleveled" physical position
*/
void set_bed_leveling_enabled(const bool enable/*=true*/) {
#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
const bool can_change = (!enable || leveling_is_valid());
#else
constexpr bool can_change = true;
#endif
if (can_change && enable != leveling_is_active()) {
#if ENABLED(MESH_BED_LEVELING)
if (!enable)
planner.apply_leveling(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS]);
const bool enabling = enable && leveling_is_valid();
mbl.set_active(enabling);
if (enabling) planner.unapply_leveling(current_position);
#elif ENABLED(AUTO_BED_LEVELING_UBL)
#if PLANNER_LEVELING
if (ubl.state.active) { // leveling from on to off
// change unleveled current_position to physical current_position without moving steppers.
planner.apply_leveling(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS]);
ubl.state.active = false; // disable only AFTER calling apply_leveling
}
else { // leveling from off to on
ubl.state.active = true; // enable BEFORE calling unapply_leveling, otherwise ignored
// change physical current_position to unleveled current_position without moving steppers.
planner.unapply_leveling(current_position);
}
#else
ubl.state.active = enable; // just flip the bit, current_position will be wrong until next move.
#endif
#else // ABL
#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
// Force bilinear_z_offset to re-calculate next time
const float reset[XYZ] = { -9999.999, -9999.999, 0 };
(void)bilinear_z_offset(reset);
#endif
// Enable or disable leveling compensation in the planner
planner.abl_enabled = enable;
if (!enable)
// When disabling just get the current position from the steppers.
// This will yield the smallest error when first converted back to steps.
set_current_from_steppers_for_axis(
#if ABL_PLANAR
ALL_AXES
#else
Z_AXIS
#endif
);
else
// When enabling, remove compensation from the current position,
// so compensation will give the right stepper counts.
planner.unapply_leveling(current_position);
#endif // ABL
}
}
#if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
void set_z_fade_height(const float zfh) {
const bool level_active = leveling_is_active();
#if ENABLED(AUTO_BED_LEVELING_UBL)
if (level_active)
set_bed_leveling_enabled(false); // turn off before changing fade height for proper apply/unapply leveling to maintain current_position
planner.z_fade_height = zfh;
planner.inverse_z_fade_height = RECIPROCAL(zfh);
if (level_active)
set_bed_leveling_enabled(true); // turn back on after changing fade height
#else
planner.z_fade_height = zfh;
planner.inverse_z_fade_height = RECIPROCAL(zfh);
if (level_active) {
set_current_from_steppers_for_axis(
#if ABL_PLANAR
ALL_AXES
#else
Z_AXIS
#endif
);
}
#endif
}
#endif // LEVELING_FADE_HEIGHT
/**
* Reset calibration results to zero.
*/
void reset_bed_level() {
set_bed_leveling_enabled(false);
#if ENABLED(MESH_BED_LEVELING)
if (leveling_is_valid()) {
mbl.reset();
mbl.set_has_mesh(false);
}
#else
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("reset_bed_level");
#endif
#if ABL_PLANAR
planner.bed_level_matrix.set_to_identity();
#elif ENABLED(AUTO_BED_LEVELING_BILINEAR)
bilinear_start[X_AXIS] = bilinear_start[Y_AXIS] =
bilinear_grid_spacing[X_AXIS] = bilinear_grid_spacing[Y_AXIS] = 0;
for (uint8_t x = 0; x < GRID_MAX_POINTS_X; x++)
for (uint8_t y = 0; y < GRID_MAX_POINTS_Y; y++)
z_values[x][y] = NAN;
#elif ENABLED(AUTO_BED_LEVELING_UBL)
ubl.reset();
#endif
#endif
}
#endif // HAS_LEVELING
#if ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(MESH_BED_LEVELING)
/**
* Enable to produce output in JSON format suitable
* for SCAD or JavaScript mesh visualizers.
*
* Visualize meshes in OpenSCAD using the included script.
*
* buildroot/shared/scripts/MarlinMesh.scad
*/
//#define SCAD_MESH_OUTPUT
/**
* Print calibration results for plotting or manual frame adjustment.
*/
static void print_2d_array(const uint8_t sx, const uint8_t sy, const uint8_t precision, float (*fn)(const uint8_t, const uint8_t)) {
#ifndef SCAD_MESH_OUTPUT
for (uint8_t x = 0; x < sx; x++) {
for (uint8_t i = 0; i < precision + 2 + (x < 10 ? 1 : 0); i++)
SERIAL_PROTOCOLCHAR(' ');
SERIAL_PROTOCOL((int)x);
}
SERIAL_EOL();
#endif
#ifdef SCAD_MESH_OUTPUT
SERIAL_PROTOCOLLNPGM("measured_z = ["); // open 2D array
#endif
for (uint8_t y = 0; y < sy; y++) {
#ifdef SCAD_MESH_OUTPUT
SERIAL_PROTOCOLPGM(" ["); // open sub-array
#else
if (y < 10) SERIAL_PROTOCOLCHAR(' ');
SERIAL_PROTOCOL((int)y);
#endif
for (uint8_t x = 0; x < sx; x++) {
SERIAL_PROTOCOLCHAR(' ');
const float offset = fn(x, y);
if (!isnan(offset)) {
if (offset >= 0) SERIAL_PROTOCOLCHAR('+');
SERIAL_PROTOCOL_F(offset, precision);
}
else {
#ifdef SCAD_MESH_OUTPUT
for (uint8_t i = 3; i < precision + 3; i++)
SERIAL_PROTOCOLCHAR(' ');
SERIAL_PROTOCOLPGM("NAN");
#else
for (uint8_t i = 0; i < precision + 3; i++)
SERIAL_PROTOCOLCHAR(i ? '=' : ' ');
#endif
}
#ifdef SCAD_MESH_OUTPUT
if (x < sx - 1) SERIAL_PROTOCOLCHAR(',');
#endif
}
#ifdef SCAD_MESH_OUTPUT
SERIAL_PROTOCOLCHAR(' ');
SERIAL_PROTOCOLCHAR(']'); // close sub-array
if (y < sy - 1) SERIAL_PROTOCOLCHAR(',');
#endif
SERIAL_EOL();
}
#ifdef SCAD_MESH_OUTPUT
SERIAL_PROTOCOLPGM("];"); // close 2D array
#endif
SERIAL_EOL();
}
#endif
#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
/**
* Extrapolate a single point from its neighbors
*/
static void extrapolate_one_point(const uint8_t x, const uint8_t y, const int8_t xdir, const int8_t ydir) {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPGM("Extrapolate [");
if (x < 10) SERIAL_CHAR(' ');
SERIAL_ECHO((int)x);
SERIAL_CHAR(xdir ? (xdir > 0 ? '+' : '-') : ' ');
SERIAL_CHAR(' ');
if (y < 10) SERIAL_CHAR(' ');
SERIAL_ECHO((int)y);
SERIAL_CHAR(ydir ? (ydir > 0 ? '+' : '-') : ' ');
SERIAL_CHAR(']');
}
#endif
if (!isnan(z_values[x][y])) {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM(" (done)");
#endif
return; // Don't overwrite good values.
}
SERIAL_EOL();
// Get X neighbors, Y neighbors, and XY neighbors
const uint8_t x1 = x + xdir, y1 = y + ydir, x2 = x1 + xdir, y2 = y1 + ydir;
float a1 = z_values[x1][y ], a2 = z_values[x2][y ],
b1 = z_values[x ][y1], b2 = z_values[x ][y2],
c1 = z_values[x1][y1], c2 = z_values[x2][y2];
// Treat far unprobed points as zero, near as equal to far
if (isnan(a2)) a2 = 0.0; if (isnan(a1)) a1 = a2;
if (isnan(b2)) b2 = 0.0; if (isnan(b1)) b1 = b2;
if (isnan(c2)) c2 = 0.0; if (isnan(c1)) c1 = c2;
const float a = 2 * a1 - a2, b = 2 * b1 - b2, c = 2 * c1 - c2;
// Take the average instead of the median
z_values[x][y] = (a + b + c) / 3.0;
// Median is robust (ignores outliers).
// z_values[x][y] = (a < b) ? ((b < c) ? b : (c < a) ? a : c)
// : ((c < b) ? b : (a < c) ? a : c);
}
//Enable this if your SCARA uses 180° of total area
//#define EXTRAPOLATE_FROM_EDGE
#if ENABLED(EXTRAPOLATE_FROM_EDGE)
#if GRID_MAX_POINTS_X < GRID_MAX_POINTS_Y
#define HALF_IN_X
#elif GRID_MAX_POINTS_Y < GRID_MAX_POINTS_X
#define HALF_IN_Y
#endif
#endif
/**
* Fill in the unprobed points (corners of circular print surface)
* using linear extrapolation, away from the center.
*/
static void extrapolate_unprobed_bed_level() {
#ifdef HALF_IN_X
constexpr uint8_t ctrx2 = 0, xlen = GRID_MAX_POINTS_X - 1;
#else
constexpr uint8_t ctrx1 = (GRID_MAX_POINTS_X - 1) / 2, // left-of-center
ctrx2 = (GRID_MAX_POINTS_X) / 2, // right-of-center
xlen = ctrx1;
#endif
#ifdef HALF_IN_Y
constexpr uint8_t ctry2 = 0, ylen = GRID_MAX_POINTS_Y - 1;
#else
constexpr uint8_t ctry1 = (GRID_MAX_POINTS_Y - 1) / 2, // top-of-center
ctry2 = (GRID_MAX_POINTS_Y) / 2, // bottom-of-center
ylen = ctry1;
#endif
for (uint8_t xo = 0; xo <= xlen; xo++)
for (uint8_t yo = 0; yo <= ylen; yo++) {
uint8_t x2 = ctrx2 + xo, y2 = ctry2 + yo;
#ifndef HALF_IN_X
const uint8_t x1 = ctrx1 - xo;
#endif
#ifndef HALF_IN_Y
const uint8_t y1 = ctry1 - yo;
#ifndef HALF_IN_X
extrapolate_one_point(x1, y1, +1, +1); // left-below + +
#endif
extrapolate_one_point(x2, y1, -1, +1); // right-below - +
#endif
#ifndef HALF_IN_X
extrapolate_one_point(x1, y2, +1, -1); // left-above + -
#endif
extrapolate_one_point(x2, y2, -1, -1); // right-above - -
}
}
static void print_bilinear_leveling_grid() {
SERIAL_ECHOLNPGM("Bilinear Leveling Grid:");
print_2d_array(GRID_MAX_POINTS_X, GRID_MAX_POINTS_Y, 3,
[](const uint8_t ix, const uint8_t iy) { return z_values[ix][iy]; }
);
}
#if ENABLED(ABL_BILINEAR_SUBDIVISION)
#define ABL_GRID_POINTS_VIRT_X (GRID_MAX_POINTS_X - 1) * (BILINEAR_SUBDIVISIONS) + 1
#define ABL_GRID_POINTS_VIRT_Y (GRID_MAX_POINTS_Y - 1) * (BILINEAR_SUBDIVISIONS) + 1
#define ABL_TEMP_POINTS_X (GRID_MAX_POINTS_X + 2)
#define ABL_TEMP_POINTS_Y (GRID_MAX_POINTS_Y + 2)
float z_values_virt[ABL_GRID_POINTS_VIRT_X][ABL_GRID_POINTS_VIRT_Y];
int bilinear_grid_spacing_virt[2] = { 0 };
float bilinear_grid_factor_virt[2] = { 0 };
static void print_bilinear_leveling_grid_virt() {
SERIAL_ECHOLNPGM("Subdivided with CATMULL ROM Leveling Grid:");
print_2d_array(ABL_GRID_POINTS_VIRT_X, ABL_GRID_POINTS_VIRT_Y, 5,
[](const uint8_t ix, const uint8_t iy) { return z_values_virt[ix][iy]; }
);
}
#define LINEAR_EXTRAPOLATION(E, I) ((E) * 2 - (I))
float bed_level_virt_coord(const uint8_t x, const uint8_t y) {
uint8_t ep = 0, ip = 1;
if (!x || x == ABL_TEMP_POINTS_X - 1) {
if (x) {
ep = GRID_MAX_POINTS_X - 1;
ip = GRID_MAX_POINTS_X - 2;
}
if (WITHIN(y, 1, ABL_TEMP_POINTS_Y - 2))
return LINEAR_EXTRAPOLATION(
z_values[ep][y - 1],
z_values[ip][y - 1]
);
else
return LINEAR_EXTRAPOLATION(
bed_level_virt_coord(ep + 1, y),
bed_level_virt_coord(ip + 1, y)
);
}
if (!y || y == ABL_TEMP_POINTS_Y - 1) {
if (y) {
ep = GRID_MAX_POINTS_Y - 1;
ip = GRID_MAX_POINTS_Y - 2;
}
if (WITHIN(x, 1, ABL_TEMP_POINTS_X - 2))
return LINEAR_EXTRAPOLATION(
z_values[x - 1][ep],
z_values[x - 1][ip]
);
else
return LINEAR_EXTRAPOLATION(
bed_level_virt_coord(x, ep + 1),
bed_level_virt_coord(x, ip + 1)
);
}
return z_values[x - 1][y - 1];
}
static float bed_level_virt_cmr(const float p[4], const uint8_t i, const float t) {
return (
p[i-1] * -t * sq(1 - t)
+ p[i] * (2 - 5 * sq(t) + 3 * t * sq(t))
+ p[i+1] * t * (1 + 4 * t - 3 * sq(t))
- p[i+2] * sq(t) * (1 - t)
) * 0.5;
}
static float bed_level_virt_2cmr(const uint8_t x, const uint8_t y, const float &tx, const float &ty) {
float row[4], column[4];
for (uint8_t i = 0; i < 4; i++) {
for (uint8_t j = 0; j < 4; j++) {
column[j] = bed_level_virt_coord(i + x - 1, j + y - 1);
}
row[i] = bed_level_virt_cmr(column, 1, ty);
}
return bed_level_virt_cmr(row, 1, tx);
}
void bed_level_virt_interpolate() {
bilinear_grid_spacing_virt[X_AXIS] = bilinear_grid_spacing[X_AXIS] / (BILINEAR_SUBDIVISIONS);
bilinear_grid_spacing_virt[Y_AXIS] = bilinear_grid_spacing[Y_AXIS] / (BILINEAR_SUBDIVISIONS);
bilinear_grid_factor_virt[X_AXIS] = RECIPROCAL(bilinear_grid_spacing_virt[X_AXIS]);
bilinear_grid_factor_virt[Y_AXIS] = RECIPROCAL(bilinear_grid_spacing_virt[Y_AXIS]);
for (uint8_t y = 0; y < GRID_MAX_POINTS_Y; y++)
for (uint8_t x = 0; x < GRID_MAX_POINTS_X; x++)
for (uint8_t ty = 0; ty < BILINEAR_SUBDIVISIONS; ty++)
for (uint8_t tx = 0; tx < BILINEAR_SUBDIVISIONS; tx++) {
if ((ty && y == GRID_MAX_POINTS_Y - 1) || (tx && x == GRID_MAX_POINTS_X - 1))
continue;
z_values_virt[x * (BILINEAR_SUBDIVISIONS) + tx][y * (BILINEAR_SUBDIVISIONS) + ty] =
bed_level_virt_2cmr(
x + 1,
y + 1,
(float)tx / (BILINEAR_SUBDIVISIONS),
(float)ty / (BILINEAR_SUBDIVISIONS)
);
}
}
#endif // ABL_BILINEAR_SUBDIVISION
// Refresh after other values have been updated
void refresh_bed_level() {
bilinear_grid_factor[X_AXIS] = RECIPROCAL(bilinear_grid_spacing[X_AXIS]);
bilinear_grid_factor[Y_AXIS] = RECIPROCAL(bilinear_grid_spacing[Y_AXIS]);
#if ENABLED(ABL_BILINEAR_SUBDIVISION)
bed_level_virt_interpolate();
#endif
}
#endif // AUTO_BED_LEVELING_BILINEAR
/**
* Home an individual linear axis
*/
static void do_homing_move(const AxisEnum axis, const float distance, const float fr_mm_s=0.0) {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPAIR(">>> do_homing_move(", axis_codes[axis]);
SERIAL_ECHOPAIR(", ", distance);
SERIAL_ECHOPAIR(", ", fr_mm_s);
SERIAL_CHAR(')');
SERIAL_EOL();
}
#endif
#if HOMING_Z_WITH_PROBE && ENABLED(BLTOUCH)
const bool deploy_bltouch = (axis == Z_AXIS && distance < 0);
if (deploy_bltouch) set_bltouch_deployed(true);
#endif
#if QUIET_PROBING
if (axis == Z_AXIS) probing_pause(true);
#endif
// Tell the planner we're at Z=0
current_position[axis] = 0;
#if IS_SCARA
SYNC_PLAN_POSITION_KINEMATIC();
current_position[axis] = distance;
inverse_kinematics(current_position);
planner.buffer_line(delta[A_AXIS], delta[B_AXIS], delta[C_AXIS], current_position[E_AXIS], fr_mm_s ? fr_mm_s : homing_feedrate(axis), active_extruder);
#else
sync_plan_position();
current_position[axis] = distance;
planner.buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], fr_mm_s ? fr_mm_s : homing_feedrate(axis), active_extruder);
#endif
stepper.synchronize();
#if QUIET_PROBING
if (axis == Z_AXIS) probing_pause(false);
#endif
#if HOMING_Z_WITH_PROBE && ENABLED(BLTOUCH)
if (deploy_bltouch) set_bltouch_deployed(false);
#endif
endstops.hit_on_purpose();
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPAIR("<<< do_homing_move(", axis_codes[axis]);
SERIAL_CHAR(')');
SERIAL_EOL();
}
#endif
}
/**
* TMC2130 specific sensorless homing using stallGuard2.
* stallGuard2 only works when in spreadCycle mode.
* spreadCycle and stealthChop are mutually exclusive.
*/
#if ENABLED(SENSORLESS_HOMING)
void tmc2130_sensorless_homing(TMC2130Stepper &st, bool enable=true) {
#if ENABLED(STEALTHCHOP)
if (enable) {
st.coolstep_min_speed(1024UL * 1024UL - 1UL);
st.stealthChop(0);
}
else {
st.coolstep_min_speed(0);
st.stealthChop(1);
}
#endif
st.diag1_stall(enable ? 1 : 0);
}
#endif
/**
* Home an individual "raw axis" to its endstop.
* This applies to XYZ on Cartesian and Core robots, and
* to the individual ABC steppers on DELTA and SCARA.
*
* At the end of the procedure the axis is marked as
* homed and the current position of that axis is updated.
* Kinematic robots should wait till all axes are homed
* before updating the current position.
*/
#define HOMEAXIS(LETTER) homeaxis(LETTER##_AXIS)
static void homeaxis(const AxisEnum axis) {
#if IS_SCARA
// Only Z homing (with probe) is permitted
if (axis != Z_AXIS) { BUZZ(100, 880); return; }
#else
#define CAN_HOME(A) \
(axis == A##_AXIS && ((A##_MIN_PIN > -1 && A##_HOME_DIR < 0) || (A##_MAX_PIN > -1 && A##_HOME_DIR > 0)))
if (!CAN_HOME(X) && !CAN_HOME(Y) && !CAN_HOME(Z)) return;
#endif
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPAIR(">>> homeaxis(", axis_codes[axis]);
SERIAL_CHAR(')');
SERIAL_EOL();
}
#endif
const int axis_home_dir =
#if ENABLED(DUAL_X_CARRIAGE)
(axis == X_AXIS) ? x_home_dir(active_extruder) :
#endif
home_dir(axis);
// Homing Z towards the bed? Deploy the Z probe or endstop.
#if HOMING_Z_WITH_PROBE
if (axis == Z_AXIS && DEPLOY_PROBE()) return;
#endif
// Set a flag for Z motor locking
#if ENABLED(Z_DUAL_ENDSTOPS)
if (axis == Z_AXIS) stepper.set_homing_flag(true);
#endif
// Disable stealthChop if used. Enable diag1 pin on driver.
#if ENABLED(SENSORLESS_HOMING)
#if ENABLED(X_IS_TMC2130)
if (axis == X_AXIS) tmc2130_sensorless_homing(stepperX);
#endif
#if ENABLED(Y_IS_TMC2130)
if (axis == Y_AXIS) tmc2130_sensorless_homing(stepperY);
#endif
#endif
// Fast move towards endstop until triggered
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("Home 1 Fast:");
#endif
do_homing_move(axis, 1.5 * max_length(axis) * axis_home_dir);
// When homing Z with probe respect probe clearance
const float bump = axis_home_dir * (
#if HOMING_Z_WITH_PROBE
(axis == Z_AXIS) ? max(Z_CLEARANCE_BETWEEN_PROBES, home_bump_mm(Z_AXIS)) :
#endif
home_bump_mm(axis)
);
// If a second homing move is configured...
if (bump) {
// Move away from the endstop by the axis HOME_BUMP_MM
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("Move Away:");
#endif
do_homing_move(axis, -bump);
// Slow move towards endstop until triggered
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("Home 2 Slow:");
#endif
do_homing_move(axis, 2 * bump, get_homing_bump_feedrate(axis));
}
#if ENABLED(Z_DUAL_ENDSTOPS)
if (axis == Z_AXIS) {
float adj = FABS(z_endstop_adj);
bool lockZ1;
if (axis_home_dir > 0) {
adj = -adj;
lockZ1 = (z_endstop_adj > 0);
}
else
lockZ1 = (z_endstop_adj < 0);
if (lockZ1) stepper.set_z_lock(true); else stepper.set_z2_lock(true);
// Move to the adjusted endstop height
do_homing_move(axis, adj);
if (lockZ1) stepper.set_z_lock(false); else stepper.set_z2_lock(false);
stepper.set_homing_flag(false);
} // Z_AXIS
#endif
#if IS_SCARA
set_axis_is_at_home(axis);
SYNC_PLAN_POSITION_KINEMATIC();
#elif ENABLED(DELTA)
// Delta has already moved all three towers up in G28
// so here it re-homes each tower in turn.
// Delta homing treats the axes as normal linear axes.
// retrace by the amount specified in endstop_adj + additional 0.1mm in order to have minimum steps
if (endstop_adj[axis] * Z_HOME_DIR <= 0) {
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("endstop_adj:");
#endif
do_homing_move(axis, endstop_adj[axis] - 0.1);
}
#else
// For cartesian/core machines,
// set the axis to its home position
set_axis_is_at_home(axis);
sync_plan_position();
destination[axis] = current_position[axis];
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("> AFTER set_axis_is_at_home", current_position);
#endif
#endif
// Re-enable stealthChop if used. Disable diag1 pin on driver.
#if ENABLED(SENSORLESS_HOMING)
#if ENABLED(X_IS_TMC2130)
if (axis == X_AXIS) tmc2130_sensorless_homing(stepperX, false);
#endif
#if ENABLED(Y_IS_TMC2130)
if (axis == Y_AXIS) tmc2130_sensorless_homing(stepperY, false);
#endif
#endif
// Put away the Z probe
#if HOMING_Z_WITH_PROBE
if (axis == Z_AXIS && STOW_PROBE()) return;
#endif
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) {
SERIAL_ECHOPAIR("<<< homeaxis(", axis_codes[axis]);
SERIAL_CHAR(')');
SERIAL_EOL();
}
#endif
} // homeaxis()
#if ENABLED(MIXING_EXTRUDER)
void normalize_mix() {
float mix_total = 0.0;
for (uint8_t i = 0; i < MIXING_STEPPERS; i++) mix_total += RECIPROCAL(mixing_factor[i]);
// Scale all values if they don't add up to ~1.0
if (!NEAR(mix_total, 1.0)) {
SERIAL_PROTOCOLLNPGM("Warning: Mix factors must add up to 1.0. Scaling.");
for (uint8_t i = 0; i < MIXING_STEPPERS; i++) mixing_factor[i] *= mix_total;
}
}
#if ENABLED(DIRECT_MIXING_IN_G1)
// Get mixing parameters from the GCode
// The total "must" be 1.0 (but it will be normalized)
// If no mix factors are given, the old mix is preserved
void gcode_get_mix() {
const char* mixing_codes = "ABCDHI";
byte mix_bits = 0;
for (uint8_t i = 0; i < MIXING_STEPPERS; i++) {
if (parser.seenval(mixing_codes[i])) {
SBI(mix_bits, i);
float v = parser.value_float();
NOLESS(v, 0.0);
mixing_factor[i] = RECIPROCAL(v);
}
}
// If any mixing factors were included, clear the rest
// If none were included, preserve the last mix
if (mix_bits) {
for (uint8_t i = 0; i < MIXING_STEPPERS; i++)
if (!TEST(mix_bits, i)) mixing_factor[i] = 0.0;
normalize_mix();
}
}
#endif
#endif
/**
* ***************************************************************************
* ***************************** G-CODE HANDLING *****************************
* ***************************************************************************
*/
#if ENABLED(HOST_KEEPALIVE_FEATURE)
/**
* Output a "busy" message at regular intervals
* while the machine is not accepting commands.
*/
void host_keepalive() {
const millis_t ms = millis();
if (host_keepalive_interval && busy_state != NOT_BUSY) {
if (PENDING(ms, next_busy_signal_ms)) return;
switch (busy_state) {
case IN_HANDLER:
case IN_PROCESS:
SERIAL_ECHO_START();
SERIAL_ECHOLNPGM(MSG_BUSY_PROCESSING);
break;
case PAUSED_FOR_USER:
SERIAL_ECHO_START();
SERIAL_ECHOLNPGM(MSG_BUSY_PAUSED_FOR_USER);
break;
case PAUSED_FOR_INPUT:
SERIAL_ECHO_START();
SERIAL_ECHOLNPGM(MSG_BUSY_PAUSED_FOR_INPUT);
break;
default:
break;
}
}
next_busy_signal_ms = ms + host_keepalive_interval * 1000UL;
}
#endif // HOST_KEEPALIVE_FEATURE
/**************************************************
***************** GCode Handlers *****************
**************************************************/
#if ENABLED(ARC_SUPPORT)
#include "gcode/motion/G2_G3.h"
#endif
void dwell(millis_t time) {
gcode.refresh_cmd_timeout();
time += previous_cmd_ms;
while (PENDING(millis(), time)) idle();
}
#include "gcode/motion/G4.h"
#if ENABLED(BEZIER_CURVE_SUPPORT)
#include "gcode/motion/G5.h"
#endif
#if ENABLED(NOZZLE_CLEAN_FEATURE)
#include "gcode/feature/clean/G12.h"
#endif
#if ENABLED(CNC_WORKSPACE_PLANES)
#include "gcode/geometry/G17-G19.h"
#endif
#if ENABLED(INCH_MODE_SUPPORT)
#include "gcode/units/G20_G21.h"
#endif
#if ENABLED(UBL_G26_MESH_VALIDATION)
#include "gcode/calibrate/G26.h"
#endif
#if ENABLED(NOZZLE_PARK_FEATURE)
#include "gcode/feature/pause/G27.h"
#endif
#if ENABLED(PROBE_MANUALLY)
bool g29_in_progress = false;
#else
constexpr bool g29_in_progress = false;
#endif
#include "gcode/calibrate/G28.h"
void home_all_axes() { gcode_G28(true); }
#if HAS_PROBING_PROCEDURE
void out_of_range_error(const char* p_edge) {
SERIAL_PROTOCOLPGM("?Probe ");
serialprintPGM(p_edge);
SERIAL_PROTOCOLLNPGM(" position out of range.");
}
#endif
#include "gcode/calibrate/G29.h"
#if HAS_BED_PROBE
#include "gcode/probe/G30.h"
#if ENABLED(Z_PROBE_SLED)
#include "gcode/probe/G31_G32.h"
#endif
#endif
#if PROBE_SELECTED && ENABLED(DELTA_AUTO_CALIBRATION)
#include "gcode/calibrate/G33.h"
#endif
#if ENABLED(G38_PROBE_TARGET)
#include "gcode/probe/G38.h"
#endif
#if HAS_MESH
#include "gcode/probe/G42.h"
#endif
#include "gcode/geometry/G92.h"
#if HAS_RESUME_CONTINUE
#include "gcode/lcd/M0_M1.h"
#endif
#if ENABLED(SPINDLE_LASER_ENABLE)
#include "gcode/control/M3-M5.h"
#endif
#include "gcode/control/M17.h"
#if ENABLED(ADVANCED_PAUSE_FEATURE)
// For M125, M600, M24
#include "gcode/feature/pause/common.h"
#endif
#if ENABLED(SDSUPPORT)
#include "gcode/sdcard/M20.h" // M20 - List SD card. (Requires SDSUPPORT)
#include "gcode/sdcard/M21.h" // M21 - Init SD card. (Requires SDSUPPORT)
#include "gcode/sdcard/M22.h" // M22 - Release SD card. (Requires SDSUPPORT)
#include "gcode/sdcard/M23.h" // M23 - Select SD file: "M23 /path/file.gco". (Requires SDSUPPORT)
#include "gcode/sdcard/M24.h" // M24 - Start/resume SD print. (Requires SDSUPPORT)
#include "gcode/sdcard/M25.h" // M25 - Pause SD print. (Requires SDSUPPORT)
#include "gcode/sdcard/M26.h" // M26 - Set SD position in bytes: "M26 S12345". (Requires SDSUPPORT)
#include "gcode/sdcard/M27.h" // M27 - Report SD print status. (Requires SDSUPPORT)
#include "gcode/sdcard/M28.h" // M28 - Start SD write: "M28 /path/file.gco". (Requires SDSUPPORT)
#include "gcode/sdcard/M29.h" // M29 - Stop SD write. (Requires SDSUPPORT)
#include "gcode/sdcard/M30.h" // M30 - Delete file from SD: "M30 /path/file.gco"
#endif
#include "gcode/stats/M31.h" // M31: Get the time since the start of SD Print (or last M109)
#if ENABLED(SDSUPPORT)
#include "gcode/sdcard/M32.h"
#if ENABLED(LONG_FILENAME_HOST_SUPPORT)
#include "gcode/sdcard/M33.h"
#endif
#if ENABLED(SDCARD_SORT_ALPHA) && ENABLED(SDSORT_GCODE)
#include "gcode/sdcard/M34.h"
#endif
#include "gcode/sdcard/M928.h"
#endif
/**
* Sensitive pin test for M42, M226
*/
static bool pin_is_protected(const int8_t pin) {
static const int8_t sensitive_pins[] PROGMEM = SENSITIVE_PINS;
for (uint8_t i = 0; i < COUNT(sensitive_pins); i++)
if (pin == (int8_t)pgm_read_byte(&sensitive_pins[i])) return true;
return false;
}
#include "gcode/control/M42.h"
#if ENABLED(PINS_DEBUGGING)
#include "gcode/config/M43.h"
#endif
#if ENABLED(Z_MIN_PROBE_REPEATABILITY_TEST)
#include "gcode/calibrate/M48.h"
#endif
#if ENABLED(AUTO_BED_LEVELING_UBL) && ENABLED(UBL_G26_MESH_VALIDATION)
#include "gcode/calibrate/M49.h"
#endif
#include "gcode/stats/M75.h"
#include "gcode/stats/M76.h"
#include "gcode/stats/M77.h"
#if ENABLED(PRINTCOUNTER)
#include "gcode/stats/M78.h"
#endif
#if HAS_TEMP_HOTEND || HAS_TEMP_BED
void print_heater_state(const float &c, const float &t,
#if ENABLED(SHOW_TEMP_ADC_VALUES)
const float r,
#endif
const int8_t e=-2
) {
#if !(HAS_TEMP_BED && HAS_TEMP_HOTEND) && HOTENDS <= 1
UNUSED(e);
#endif
SERIAL_PROTOCOLCHAR(' ');
SERIAL_PROTOCOLCHAR(
#if HAS_TEMP_BED && HAS_TEMP_HOTEND
e == -1 ? 'B' : 'T'
#elif HAS_TEMP_HOTEND
'T'
#else
'B'
#endif
);
#if HOTENDS > 1
if (e >= 0) SERIAL_PROTOCOLCHAR('0' + e);
#endif
SERIAL_PROTOCOLCHAR(':');
SERIAL_PROTOCOL(c);
SERIAL_PROTOCOLPAIR(" /" , t);
#if ENABLED(SHOW_TEMP_ADC_VALUES)
SERIAL_PROTOCOLPAIR(" (", r / OVERSAMPLENR);
SERIAL_PROTOCOLCHAR(')');
#endif
}
void print_heaterstates() {
#if HAS_TEMP_HOTEND
print_heater_state(thermalManager.degHotend(gcode.target_extruder), thermalManager.degTargetHotend(gcode.target_extruder)
#if ENABLED(SHOW_TEMP_ADC_VALUES)
, thermalManager.rawHotendTemp(gcode.target_extruder)
#endif
);
#endif
#if HAS_TEMP_BED
print_heater_state(thermalManager.degBed(), thermalManager.degTargetBed(),
#if ENABLED(SHOW_TEMP_ADC_VALUES)
thermalManager.rawBedTemp(),
#endif
-1 // BED
);
#endif
#if HOTENDS > 1
HOTEND_LOOP() print_heater_state(thermalManager.degHotend(e), thermalManager.degTargetHotend(e),
#if ENABLED(SHOW_TEMP_ADC_VALUES)
thermalManager.rawHotendTemp(e),
#endif
e
);
#endif
SERIAL_PROTOCOLPGM(" @:");
SERIAL_PROTOCOL(thermalManager.getHeaterPower(gcode.target_extruder));
#if HAS_TEMP_BED
SERIAL_PROTOCOLPGM(" B@:");
SERIAL_PROTOCOL(thermalManager.getHeaterPower(-1));
#endif
#if HOTENDS > 1
HOTEND_LOOP() {
SERIAL_PROTOCOLPAIR(" @", e);
SERIAL_PROTOCOLCHAR(':');
SERIAL_PROTOCOL(thermalManager.getHeaterPower(e));
}
#endif
}
#endif // HAS_TEMP_HOTEND || HAS_TEMP_BED
#include "gcode/temperature/M105.h"
#if ENABLED(AUTO_REPORT_TEMPERATURES) && (HAS_TEMP_HOTEND || HAS_TEMP_BED)
static uint8_t auto_report_temp_interval;
static millis_t next_temp_report_ms;
inline void auto_report_temperatures() {
if (auto_report_temp_interval && ELAPSED(millis(), next_temp_report_ms)) {
next_temp_report_ms = millis() + 1000UL * auto_report_temp_interval;
print_heaterstates();
SERIAL_EOL();
}
}
#include "gcode/temperature/M155.h"
#endif // AUTO_REPORT_TEMPERATURES && (HAS_TEMP_HOTEND || HAS_TEMP_BED)
#if FAN_COUNT > 0
#include "gcode/temperature/M106.h"
#include "gcode/temperature/M107.h"
#endif
#if DISABLED(EMERGENCY_PARSER)
#include "gcode/control/M108.h"
#include "gcode/control/M112.h"
#include "gcode/control/M410.h"
#endif
#if HAS_TEMP_BED
#include "gcode/temperature/M190.h"
#endif
#include "gcode/host/M110.h"
#include "gcode/control/M111.h"
#if ENABLED(HOST_KEEPALIVE_FEATURE)
#include "gcode/host/M113.h"
#endif
#if ENABLED(BARICUDA)
#if HAS_HEATER_1
#include "gcode/feature/baricuda/M126.h"
#include "gcode/feature/baricuda/M127.h"
#endif
#if HAS_HEATER_2
#include "gcode/feature/baricuda/M128.h"
#include "gcode/feature/baricuda/M129.h"
#endif
#endif
#include "gcode/temperature/M140.h"
#if ENABLED(ULTIPANEL)
#include "gcode/lcd/M145.h"
#endif
#if ENABLED(TEMPERATURE_UNITS_SUPPORT)
#include "gcode/units/M149.h"
#endif
#if HAS_POWER_SWITCH
#include "gcode/control/M80.h"
#endif
#include "gcode/control/M81.h"
#include "gcode/units/M82_M83.h"
#include "gcode/control/M18_M84.h"
#include "gcode/control/M85.h"
#include "gcode/config/M92.h"
#if ENABLED(M100_FREE_MEMORY_WATCHER)
#include "gcode/calibrate/M100.h"
#endif
/**
* Output the current position to serial
*/
void report_current_position() {
SERIAL_PROTOCOLPGM("X:");
SERIAL_PROTOCOL(current_position[X_AXIS]);
SERIAL_PROTOCOLPGM(" Y:");
SERIAL_PROTOCOL(current_position[Y_AXIS]);
SERIAL_PROTOCOLPGM(" Z:");
SERIAL_PROTOCOL(current_position[Z_AXIS]);
SERIAL_PROTOCOLPGM(" E:");
SERIAL_PROTOCOL(current_position[E_AXIS]);
stepper.report_positions();
#if IS_SCARA
SERIAL_PROTOCOLPAIR("SCARA Theta:", stepper.get_axis_position_degrees(A_AXIS));
SERIAL_PROTOCOLLNPAIR(" Psi+Theta:", stepper.get_axis_position_degrees(B_AXIS));
SERIAL_EOL();
#endif
}
#include "gcode/host/M114.h"
#include "gcode/host/M115.h"
#include "gcode/lcd/M117.h"
#include "gcode/host/M118.h"
#include "gcode/host/M119.h"
#include "gcode/control/M120_M121.h"
#if ENABLED(PARK_HEAD_ON_PAUSE)
#include "gcode/feature/pause/M125.h"
#endif
#if HAS_COLOR_LEDS
#include "gcode/feature/leds/M150.h"
#endif
#include "gcode/config/M201.h"
#if 0 // Not used for Sprinter/grbl gen6
#include "gcode/config/M202.h"
#endif
#include "gcode/config/M203.h"
#include "gcode/config/M204.h"
#include "gcode/config/M205.h"
#if HAS_M206_COMMAND
#include "gcode/geometry/M206.h"
#endif
#if IS_KINEMATIC
#include "gcode/calibrate/M665.h"
#endif
#if ENABLED(DELTA) || ENABLED(Z_DUAL_ENDSTOPS)
#include "gcode/calibrate/M666.h"
#endif
#include "gcode/control/M211.h"
#include "gcode/config/M220.h"
#include "gcode/control/M226.h"
#if ENABLED(EXPERIMENTAL_I2CBUS)
#include "gcode/feature/i2c/M260_M261.h"
#endif
#if HAS_SERVOS
#include "gcode/control/M280.h"
#endif
#if HAS_BUZZER
#include "gcode/lcd/M300.h"
#endif
#if ENABLED(PIDTEMP)
#include "gcode/config/M301.h"
#endif
#if ENABLED(PIDTEMPBED)
#include "gcode/config/M304.h"
#endif
#if defined(CHDK) || HAS_PHOTOGRAPH
#include "gcode/feature/camera/M240.h"
#endif
#if HAS_LCD_CONTRAST
#include "gcode/lcd/M250.h"
#endif
#if ENABLED(PREVENT_COLD_EXTRUSION)
#include "gcode/config/M302.h"
#endif
#if ENABLED(MORGAN_SCARA)
#include "gcode/scara/M360-M364.h"
#endif
#if ENABLED(EXT_SOLENOID)
#include "gcode/control/M380_M381.h"
#endif
#include "gcode/control/M400.h"
#if HAS_BED_PROBE
#include "gcode/probe/M401_M402.h"
#endif
#if ENABLED(FILAMENT_WIDTH_SENSOR)
#include "gcode/sensor/M404.h"
#include "gcode/sensor/M405.h"
#include "gcode/sensor/M406.h"
#include "gcode/sensor/M407.h"
#endif
void quickstop_stepper() {
stepper.quick_stop();
stepper.synchronize();
set_current_from_steppers_for_axis(ALL_AXES);
SYNC_PLAN_POSITION_KINEMATIC();
}
#if HAS_LEVELING
#include "gcode/calibrate/M420.h"
#include "gcode/calibrate/M421.h"
#endif
#if HAS_M206_COMMAND
#include "gcode/geometry/M428.h"
#endif
#include "gcode/eeprom/M500.h"
#include "gcode/eeprom/M501.h"
#include "gcode/eeprom/M502.h"
#if DISABLED(DISABLE_M503)
#include "gcode/eeprom/M503.h"
#endif
#if ENABLED(ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED)
#include "gcode/config/M540.h"
#endif
#if HAS_BED_PROBE
#include "gcode/probe/M851.h"
#endif
#if ENABLED(ADVANCED_PAUSE_FEATURE)
#include "gcode/feature/pause/M600.h"
#endif
#if ENABLED(MK2_MULTIPLEXER)
#include "gcode/feature/snmm/M702.h"
#endif
#if ENABLED(DUAL_X_CARRIAGE) || ENABLED(DUAL_NOZZLE_DUPLICATION_MODE)
#include "gcode/control/M605.h"
#endif
#if ENABLED(LIN_ADVANCE)
#include "gcode/feature/advance/M900.h"
#endif
#if ENABLED(HAVE_TMC2130)
#include "feature/tmc2130.h"
#include "gcode/feature/trinamic/M906.h"
#include "gcode/feature/trinamic/M911.h"
#include "gcode/feature/trinamic/M912.h"
#if ENABLED(HYBRID_THRESHOLD)
#include "gcode/feature/trinamic/M913.h"
#endif
#if ENABLED(SENSORLESS_HOMING)
#include "gcode/feature/trinamic/M914.h"
#endif
#endif
#include "gcode/feature/digipot/M907.h"
#if HAS_DIGIPOTSS || ENABLED(DAC_STEPPER_CURRENT)
#include "gcode/feature/digipot/M908.h"
#if ENABLED(DAC_STEPPER_CURRENT) // As with Printrbot RevF
#include "gcode/feature/digipot/M909.h"
#include "gcode/feature/digipot/M910.h"
#endif
#endif
#if HAS_MICROSTEPS
#include "gcode/control/M350.h"
#include "gcode/control/M351.h"
#endif
#include "gcode/feature/caselight/M355.h"
#if ENABLED(MIXING_EXTRUDER)
#include "gcode/feature/mixing/M163.h"
#if MIXING_VIRTUAL_TOOLS > 1
#include "gcode/feature/mixing/M164.h"
#endif
#if ENABLED(DIRECT_MIXING_IN_G1)
#include "gcode/feature/mixing/M165.h"
#endif
#endif
#include "gcode/control/M999.h"
#include "gcode/control/T.h"
#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
#if ENABLED(ABL_BILINEAR_SUBDIVISION)
#define ABL_BG_SPACING(A) bilinear_grid_spacing_virt[A]
#define ABL_BG_FACTOR(A) bilinear_grid_factor_virt[A]
#define ABL_BG_POINTS_X ABL_GRID_POINTS_VIRT_X
#define ABL_BG_POINTS_Y ABL_GRID_POINTS_VIRT_Y
#define ABL_BG_GRID(X,Y) z_values_virt[X][Y]
#else
#define ABL_BG_SPACING(A) bilinear_grid_spacing[A]
#define ABL_BG_FACTOR(A) bilinear_grid_factor[A]
#define ABL_BG_POINTS_X GRID_MAX_POINTS_X
#define ABL_BG_POINTS_Y GRID_MAX_POINTS_Y
#define ABL_BG_GRID(X,Y) z_values[X][Y]
#endif
// Get the Z adjustment for non-linear bed leveling
float bilinear_z_offset(const float logical[XYZ]) {
static float z1, d2, z3, d4, L, D, ratio_x, ratio_y,
last_x = -999.999, last_y = -999.999;
// Whole units for the grid line indices. Constrained within bounds.
static int8_t gridx, gridy, nextx, nexty,
last_gridx = -99, last_gridy = -99;
// XY relative to the probed area
const float x = RAW_X_POSITION(logical[X_AXIS]) - bilinear_start[X_AXIS],
y = RAW_Y_POSITION(logical[Y_AXIS]) - bilinear_start[Y_AXIS];
#if ENABLED(EXTRAPOLATE_BEYOND_GRID)
// Keep using the last grid box
#define FAR_EDGE_OR_BOX 2
#else
// Just use the grid far edge
#define FAR_EDGE_OR_BOX 1
#endif
if (last_x != x) {
last_x = x;
ratio_x = x * ABL_BG_FACTOR(X_AXIS);
const float gx = constrain(FLOOR(ratio_x), 0, ABL_BG_POINTS_X - FAR_EDGE_OR_BOX);
ratio_x -= gx; // Subtract whole to get the ratio within the grid box
#if DISABLED(EXTRAPOLATE_BEYOND_GRID)
// Beyond the grid maintain height at grid edges
NOLESS(ratio_x, 0); // Never < 0.0. (> 1.0 is ok when nextx==gridx.)
#endif
gridx = gx;
nextx = min(gridx + 1, ABL_BG_POINTS_X - 1);
}
if (last_y != y || last_gridx != gridx) {
if (last_y != y) {
last_y = y;
ratio_y = y * ABL_BG_FACTOR(Y_AXIS);
const float gy = constrain(FLOOR(ratio_y), 0, ABL_BG_POINTS_Y - FAR_EDGE_OR_BOX);
ratio_y -= gy;
#if DISABLED(EXTRAPOLATE_BEYOND_GRID)
// Beyond the grid maintain height at grid edges
NOLESS(ratio_y, 0); // Never < 0.0. (> 1.0 is ok when nexty==gridy.)
#endif
gridy = gy;
nexty = min(gridy + 1, ABL_BG_POINTS_Y - 1);
}
if (last_gridx != gridx || last_gridy != gridy) {
last_gridx = gridx;
last_gridy = gridy;
// Z at the box corners
z1 = ABL_BG_GRID(gridx, gridy); // left-front
d2 = ABL_BG_GRID(gridx, nexty) - z1; // left-back (delta)
z3 = ABL_BG_GRID(nextx, gridy); // right-front
d4 = ABL_BG_GRID(nextx, nexty) - z3; // right-back (delta)
}
// Bilinear interpolate. Needed since y or gridx has changed.
L = z1 + d2 * ratio_y; // Linear interp. LF -> LB
const float R = z3 + d4 * ratio_y; // Linear interp. RF -> RB
D = R - L;
}
const float offset = L + ratio_x * D; // the offset almost always changes
/*
static float last_offset = 0;
if (FABS(last_offset - offset) > 0.2) {
SERIAL_ECHOPGM("Sudden Shift at ");
SERIAL_ECHOPAIR("x=", x);
SERIAL_ECHOPAIR(" / ", bilinear_grid_spacing[X_AXIS]);
SERIAL_ECHOLNPAIR(" -> gridx=", gridx);
SERIAL_ECHOPAIR(" y=", y);
SERIAL_ECHOPAIR(" / ", bilinear_grid_spacing[Y_AXIS]);
SERIAL_ECHOLNPAIR(" -> gridy=", gridy);
SERIAL_ECHOPAIR(" ratio_x=", ratio_x);
SERIAL_ECHOLNPAIR(" ratio_y=", ratio_y);
SERIAL_ECHOPAIR(" z1=", z1);
SERIAL_ECHOPAIR(" z2=", z2);
SERIAL_ECHOPAIR(" z3=", z3);
SERIAL_ECHOLNPAIR(" z4=", z4);
SERIAL_ECHOPAIR(" L=", L);
SERIAL_ECHOPAIR(" R=", R);
SERIAL_ECHOLNPAIR(" offset=", offset);
}
last_offset = offset;
//*/
return offset;
}
#endif // AUTO_BED_LEVELING_BILINEAR
#if ENABLED(DELTA)
/**
* Recalculate factors used for delta kinematics whenever
* settings have been changed (e.g., by M665).
*/
void recalc_delta_settings(float radius, float diagonal_rod) {
const float trt[ABC] = DELTA_RADIUS_TRIM_TOWER,
drt[ABC] = DELTA_DIAGONAL_ROD_TRIM_TOWER;
delta_tower[A_AXIS][X_AXIS] = cos(RADIANS(210 + delta_tower_angle_trim[A_AXIS])) * (radius + trt[A_AXIS]); // front left tower
delta_tower[A_AXIS][Y_AXIS] = sin(RADIANS(210 + delta_tower_angle_trim[A_AXIS])) * (radius + trt[A_AXIS]);
delta_tower[B_AXIS][X_AXIS] = cos(RADIANS(330 + delta_tower_angle_trim[B_AXIS])) * (radius + trt[B_AXIS]); // front right tower
delta_tower[B_AXIS][Y_AXIS] = sin(RADIANS(330 + delta_tower_angle_trim[B_AXIS])) * (radius + trt[B_AXIS]);
delta_tower[C_AXIS][X_AXIS] = 0.0; // back middle tower
delta_tower[C_AXIS][Y_AXIS] = (radius + trt[C_AXIS]);
delta_diagonal_rod_2_tower[A_AXIS] = sq(diagonal_rod + drt[A_AXIS]);
delta_diagonal_rod_2_tower[B_AXIS] = sq(diagonal_rod + drt[B_AXIS]);
delta_diagonal_rod_2_tower[C_AXIS] = sq(diagonal_rod + drt[C_AXIS]);
}
#if ENABLED(DELTA_FAST_SQRT) && defined(ARDUINO_ARCH_AVR)
/**
* Fast inverse sqrt from Quake III Arena
* See: https://en.wikipedia.org/wiki/Fast_inverse_square_root
*/
float Q_rsqrt(float number) {
long i;
float x2, y;
const float threehalfs = 1.5f;
x2 = number * 0.5f;
y = number;
i = * ( long * ) &y; // evil floating point bit level hacking
i = 0x5F3759DF - ( i >> 1 ); // what the f***?
y = * ( float * ) &i;
y = y * ( threehalfs - ( x2 * y * y ) ); // 1st iteration
// y = y * ( threehalfs - ( x2 * y * y ) ); // 2nd iteration, this can be removed
return y;
}
#define _SQRT(n) (1.0f / Q_rsqrt(n))
#else
#define _SQRT(n) SQRT(n)
#endif
/**
* Delta Inverse Kinematics
*
* Calculate the tower positions for a given logical
* position, storing the result in the delta[] array.
*
* This is an expensive calculation, requiring 3 square
* roots per segmented linear move, and strains the limits
* of a Mega2560 with a Graphical Display.
*
* Suggested optimizations include:
*
* - Disable the home_offset (M206) and/or position_shift (G92)
* features to remove up to 12 float additions.
*
* - Use a fast-inverse-sqrt function and add the reciprocal.
* (see above)
*/
// Macro to obtain the Z position of an individual tower
#define DELTA_Z(T) raw[Z_AXIS] + _SQRT( \
delta_diagonal_rod_2_tower[T] - HYPOT2( \
delta_tower[T][X_AXIS] - raw[X_AXIS], \
delta_tower[T][Y_AXIS] - raw[Y_AXIS] \
) \
)
#define DELTA_RAW_IK() do { \
delta[A_AXIS] = DELTA_Z(A_AXIS); \
delta[B_AXIS] = DELTA_Z(B_AXIS); \
delta[C_AXIS] = DELTA_Z(C_AXIS); \
}while(0)
#define DELTA_LOGICAL_IK() do { \
const float raw[XYZ] = { \
RAW_X_POSITION(logical[X_AXIS]), \
RAW_Y_POSITION(logical[Y_AXIS]), \
RAW_Z_POSITION(logical[Z_AXIS]) \
}; \
DELTA_RAW_IK(); \
}while(0)
#define DELTA_DEBUG() do { \
SERIAL_ECHOPAIR("cartesian X:", raw[X_AXIS]); \
SERIAL_ECHOPAIR(" Y:", raw[Y_AXIS]); \
SERIAL_ECHOLNPAIR(" Z:", raw[Z_AXIS]); \
SERIAL_ECHOPAIR("delta A:", delta[A_AXIS]); \
SERIAL_ECHOPAIR(" B:", delta[B_AXIS]); \
SERIAL_ECHOLNPAIR(" C:", delta[C_AXIS]); \
}while(0)
void inverse_kinematics(const float logical[XYZ]) {
DELTA_LOGICAL_IK();
// DELTA_DEBUG();
}
/**
* Calculate the highest Z position where the
* effector has the full range of XY motion.
*/
float delta_safe_distance_from_top() {
float cartesian[XYZ] = {
LOGICAL_X_POSITION(0),
LOGICAL_Y_POSITION(0),
LOGICAL_Z_POSITION(0)
};
inverse_kinematics(cartesian);
float distance = delta[A_AXIS];
cartesian[Y_AXIS] = LOGICAL_Y_POSITION(DELTA_PRINTABLE_RADIUS);
inverse_kinematics(cartesian);
return FABS(distance - delta[A_AXIS]);
}
/**
* Delta Forward Kinematics
*
* See the Wikipedia article "Trilateration"
* https://en.wikipedia.org/wiki/Trilateration
*
* Establish a new coordinate system in the plane of the
* three carriage points. This system has its origin at
* tower1, with tower2 on the X axis. Tower3 is in the X-Y
* plane with a Z component of zero.
* We will define unit vectors in this coordinate system
* in our original coordinate system. Then when we calculate
* the Xnew, Ynew and Znew values, we can translate back into
* the original system by moving along those unit vectors
* by the corresponding values.
*
* Variable names matched to Marlin, c-version, and avoid the
* use of any vector library.
*
* by Andreas Hardtung 2016-06-07
* based on a Java function from "Delta Robot Kinematics V3"
* by Steve Graves
*
* The result is stored in the cartes[] array.
*/
void forward_kinematics_DELTA(float z1, float z2, float z3) {
// Create a vector in old coordinates along x axis of new coordinate
float p12[3] = { delta_tower[B_AXIS][X_AXIS] - delta_tower[A_AXIS][X_AXIS], delta_tower[B_AXIS][Y_AXIS] - delta_tower[A_AXIS][Y_AXIS], z2 - z1 };
// Get the Magnitude of vector.
float d = SQRT( sq(p12[0]) + sq(p12[1]) + sq(p12[2]) );
// Create unit vector by dividing by magnitude.
float ex[3] = { p12[0] / d, p12[1] / d, p12[2] / d };
// Get the vector from the origin of the new system to the third point.
float p13[3] = { delta_tower[C_AXIS][X_AXIS] - delta_tower[A_AXIS][X_AXIS], delta_tower[C_AXIS][Y_AXIS] - delta_tower[A_AXIS][Y_AXIS], z3 - z1 };
// Use the dot product to find the component of this vector on the X axis.
float i = ex[0] * p13[0] + ex[1] * p13[1] + ex[2] * p13[2];
// Create a vector along the x axis that represents the x component of p13.
float iex[3] = { ex[0] * i, ex[1] * i, ex[2] * i };
// Subtract the X component from the original vector leaving only Y. We use the
// variable that will be the unit vector after we scale it.
float ey[3] = { p13[0] - iex[0], p13[1] - iex[1], p13[2] - iex[2] };
// The magnitude of Y component
float j = SQRT( sq(ey[0]) + sq(ey[1]) + sq(ey[2]) );
// Convert to a unit vector
ey[0] /= j; ey[1] /= j; ey[2] /= j;
// The cross product of the unit x and y is the unit z
// float[] ez = vectorCrossProd(ex, ey);
float ez[3] = {
ex[1] * ey[2] - ex[2] * ey[1],
ex[2] * ey[0] - ex[0] * ey[2],
ex[0] * ey[1] - ex[1] * ey[0]
};
// We now have the d, i and j values defined in Wikipedia.
// Plug them into the equations defined in Wikipedia for Xnew, Ynew and Znew
float Xnew = (delta_diagonal_rod_2_tower[A_AXIS] - delta_diagonal_rod_2_tower[B_AXIS] + sq(d)) / (d * 2),
Ynew = ((delta_diagonal_rod_2_tower[A_AXIS] - delta_diagonal_rod_2_tower[C_AXIS] + HYPOT2(i, j)) / 2 - i * Xnew) / j,
Znew = SQRT(delta_diagonal_rod_2_tower[A_AXIS] - HYPOT2(Xnew, Ynew));
// Start from the origin of the old coordinates and add vectors in the
// old coords that represent the Xnew, Ynew and Znew to find the point
// in the old system.
cartes[X_AXIS] = delta_tower[A_AXIS][X_AXIS] + ex[0] * Xnew + ey[0] * Ynew - ez[0] * Znew;
cartes[Y_AXIS] = delta_tower[A_AXIS][Y_AXIS] + ex[1] * Xnew + ey[1] * Ynew - ez[1] * Znew;
cartes[Z_AXIS] = z1 + ex[2] * Xnew + ey[2] * Ynew - ez[2] * Znew;
}
void forward_kinematics_DELTA(float point[ABC]) {
forward_kinematics_DELTA(point[A_AXIS], point[B_AXIS], point[C_AXIS]);
}
#endif // DELTA
/**
* Get the stepper positions in the cartes[] array.
* Forward kinematics are applied for DELTA and SCARA.
*
* The result is in the current coordinate space with
* leveling applied. The coordinates need to be run through
* unapply_leveling to obtain the "ideal" coordinates
* suitable for current_position, etc.
*/
void get_cartesian_from_steppers() {
#if ENABLED(DELTA)
forward_kinematics_DELTA(
stepper.get_axis_position_mm(A_AXIS),
stepper.get_axis_position_mm(B_AXIS),
stepper.get_axis_position_mm(C_AXIS)
);
cartes[X_AXIS] += LOGICAL_X_POSITION(0);
cartes[Y_AXIS] += LOGICAL_Y_POSITION(0);
cartes[Z_AXIS] += LOGICAL_Z_POSITION(0);
#elif IS_SCARA
forward_kinematics_SCARA(
stepper.get_axis_position_degrees(A_AXIS),
stepper.get_axis_position_degrees(B_AXIS)
);
cartes[X_AXIS] += LOGICAL_X_POSITION(0);
cartes[Y_AXIS] += LOGICAL_Y_POSITION(0);
cartes[Z_AXIS] = stepper.get_axis_position_mm(Z_AXIS);
#else
cartes[X_AXIS] = stepper.get_axis_position_mm(X_AXIS);
cartes[Y_AXIS] = stepper.get_axis_position_mm(Y_AXIS);
cartes[Z_AXIS] = stepper.get_axis_position_mm(Z_AXIS);
#endif
}
/**
* Set the current_position for an axis based on
* the stepper positions, removing any leveling that
* may have been applied.
*/
void set_current_from_steppers_for_axis(const AxisEnum axis) {
get_cartesian_from_steppers();
#if PLANNER_LEVELING
planner.unapply_leveling(cartes);
#endif
if (axis == ALL_AXES)
COPY(current_position, cartes);
else
current_position[axis] = cartes[axis];
}
#if ENABLED(USE_CONTROLLER_FAN)
void controllerFan() {
static millis_t lastMotorOn = 0, // Last time a motor was turned on
nextMotorCheck = 0; // Last time the state was checked
const millis_t ms = millis();
if (ELAPSED(ms, nextMotorCheck)) {
nextMotorCheck = ms + 2500UL; // Not a time critical function, so only check every 2.5s
if (X_ENABLE_READ == X_ENABLE_ON || Y_ENABLE_READ == Y_ENABLE_ON || Z_ENABLE_READ == Z_ENABLE_ON || thermalManager.soft_pwm_amount_bed > 0
|| E0_ENABLE_READ == E_ENABLE_ON // If any of the drivers are enabled...
#if E_STEPPERS > 1
|| E1_ENABLE_READ == E_ENABLE_ON
#if HAS_X2_ENABLE
|| X2_ENABLE_READ == X_ENABLE_ON
#endif
#if E_STEPPERS > 2
|| E2_ENABLE_READ == E_ENABLE_ON
#if E_STEPPERS > 3
|| E3_ENABLE_READ == E_ENABLE_ON
#if E_STEPPERS > 4
|| E4_ENABLE_READ == E_ENABLE_ON
#endif // E_STEPPERS > 4
#endif // E_STEPPERS > 3
#endif // E_STEPPERS > 2
#endif // E_STEPPERS > 1
) {
lastMotorOn = ms; //... set time to NOW so the fan will turn on
}
// Fan off if no steppers have been enabled for CONTROLLERFAN_SECS seconds
uint8_t speed = (!lastMotorOn || ELAPSED(ms, lastMotorOn + (CONTROLLERFAN_SECS) * 1000UL)) ? 0 : CONTROLLERFAN_SPEED;
// allows digital or PWM fan output to be used (see M42 handling)
WRITE(CONTROLLER_FAN_PIN, speed);
analogWrite(CONTROLLER_FAN_PIN, speed);
}
}
#endif // USE_CONTROLLER_FAN
#if ENABLED(MORGAN_SCARA)
/**
* Morgan SCARA Forward Kinematics. Results in cartes[].
* Maths and first version by QHARLEY.
* Integrated into Marlin and slightly restructured by Joachim Cerny.
*/
void forward_kinematics_SCARA(const float &a, const float &b) {
float a_sin = sin(RADIANS(a)) * L1,
a_cos = cos(RADIANS(a)) * L1,
b_sin = sin(RADIANS(b)) * L2,
b_cos = cos(RADIANS(b)) * L2;
cartes[X_AXIS] = a_cos + b_cos + SCARA_OFFSET_X; //theta
cartes[Y_AXIS] = a_sin + b_sin + SCARA_OFFSET_Y; //theta+phi
/*
SERIAL_ECHOPAIR("SCARA FK Angle a=", a);
SERIAL_ECHOPAIR(" b=", b);
SERIAL_ECHOPAIR(" a_sin=", a_sin);
SERIAL_ECHOPAIR(" a_cos=", a_cos);
SERIAL_ECHOPAIR(" b_sin=", b_sin);
SERIAL_ECHOLNPAIR(" b_cos=", b_cos);
SERIAL_ECHOPAIR(" cartes[X_AXIS]=", cartes[X_AXIS]);
SERIAL_ECHOLNPAIR(" cartes[Y_AXIS]=", cartes[Y_AXIS]);
//*/
}
/**
* Morgan SCARA Inverse Kinematics. Results in delta[].
*
* See http://forums.reprap.org/read.php?185,283327
*
* Maths and first version by QHARLEY.
* Integrated into Marlin and slightly restructured by Joachim Cerny.
*/
void inverse_kinematics(const float logical[XYZ]) {
static float C2, S2, SK1, SK2, THETA, PSI;
float sx = RAW_X_POSITION(logical[X_AXIS]) - SCARA_OFFSET_X, // Translate SCARA to standard X Y
sy = RAW_Y_POSITION(logical[Y_AXIS]) - SCARA_OFFSET_Y; // With scaling factor.
if (L1 == L2)
C2 = HYPOT2(sx, sy) / L1_2_2 - 1;
else
C2 = (HYPOT2(sx, sy) - (L1_2 + L2_2)) / (2.0 * L1 * L2);
S2 = SQRT(1 - sq(C2));
// Unrotated Arm1 plus rotated Arm2 gives the distance from Center to End
SK1 = L1 + L2 * C2;
// Rotated Arm2 gives the distance from Arm1 to Arm2
SK2 = L2 * S2;
// Angle of Arm1 is the difference between Center-to-End angle and the Center-to-Elbow
THETA = ATAN2(SK1, SK2) - ATAN2(sx, sy);
// Angle of Arm2
PSI = ATAN2(S2, C2);
delta[A_AXIS] = DEGREES(THETA); // theta is support arm angle
delta[B_AXIS] = DEGREES(THETA + PSI); // equal to sub arm angle (inverted motor)
delta[C_AXIS] = logical[Z_AXIS];
/*
DEBUG_POS("SCARA IK", logical);
DEBUG_POS("SCARA IK", delta);
SERIAL_ECHOPAIR(" SCARA (x,y) ", sx);
SERIAL_ECHOPAIR(",", sy);
SERIAL_ECHOPAIR(" C2=", C2);
SERIAL_ECHOPAIR(" S2=", S2);
SERIAL_ECHOPAIR(" Theta=", THETA);
SERIAL_ECHOLNPAIR(" Phi=", PHI);
//*/
}
#endif // MORGAN_SCARA
#if ENABLED(TEMP_STAT_LEDS)
static bool red_led = false;
static millis_t next_status_led_update_ms = 0;
void handle_status_leds(void) {
if (ELAPSED(millis(), next_status_led_update_ms)) {
next_status_led_update_ms += 500; // Update every 0.5s
float max_temp = 0.0;
#if HAS_TEMP_BED
max_temp = MAX3(max_temp, thermalManager.degTargetBed(), thermalManager.degBed());
#endif
HOTEND_LOOP()
max_temp = MAX3(max_temp, thermalManager.degHotend(e), thermalManager.degTargetHotend(e));
const bool new_led = (max_temp > 55.0) ? true : (max_temp < 54.0) ? false : red_led;
if (new_led != red_led) {
red_led = new_led;
#if PIN_EXISTS(STAT_LED_RED)
WRITE(STAT_LED_RED_PIN, new_led ? HIGH : LOW);
#if PIN_EXISTS(STAT_LED_BLUE)
WRITE(STAT_LED_BLUE_PIN, new_led ? LOW : HIGH);
#endif
#else
WRITE(STAT_LED_BLUE_PIN, new_led ? HIGH : LOW);
#endif
}
}
}
#endif
#if ENABLED(FILAMENT_RUNOUT_SENSOR)
void handle_filament_runout() {
if (!filament_ran_out) {
filament_ran_out = true;
enqueue_and_echo_commands_P(PSTR(FILAMENT_RUNOUT_SCRIPT));
stepper.synchronize();
}
}
#endif // FILAMENT_RUNOUT_SENSOR
float calculate_volumetric_multiplier(const float diameter) {
if (!volumetric_enabled || diameter == 0) return 1.0;
return 1.0 / (M_PI * sq(diameter * 0.5));
}
void calculate_volumetric_multipliers() {
for (uint8_t i = 0; i < COUNT(filament_size); i++)
volumetric_multiplier[i] = calculate_volumetric_multiplier(filament_size[i]);
}
void enable_all_steppers() {
enable_X();
enable_Y();
enable_Z();
enable_E0();
enable_E1();
enable_E2();
enable_E3();
enable_E4();
}
void disable_e_steppers() {
disable_E0();
disable_E1();
disable_E2();
disable_E3();
disable_E4();
}
void disable_all_steppers() {
disable_X();
disable_Y();
disable_Z();
disable_e_steppers();
}
/**
* Manage several activities:
* - Check for Filament Runout
* - Keep the command buffer full
* - Check for maximum inactive time between commands
* - Check for maximum inactive time between stepper commands
* - Check if pin CHDK needs to go LOW
* - Check for KILL button held down
* - Check for HOME button held down
* - Check if cooling fan needs to be switched on
* - Check if an idle but hot extruder needs filament extruded (EXTRUDER_RUNOUT_PREVENT)
*/
void manage_inactivity(bool ignore_stepper_queue/*=false*/) {
#if ENABLED(FILAMENT_RUNOUT_SENSOR)
if ((IS_SD_PRINTING || print_job_timer.isRunning()) && (READ(FIL_RUNOUT_PIN) == FIL_RUNOUT_INVERTING))
handle_filament_runout();
#endif
if (commands_in_queue < BUFSIZE) get_available_commands();
const millis_t ms = millis();
if (max_inactive_time && ELAPSED(ms, previous_cmd_ms + max_inactive_time)) {
SERIAL_ERROR_START();
SERIAL_ECHOLNPAIR(MSG_KILL_INACTIVE_TIME, parser.command_ptr);
kill(PSTR(MSG_KILLED));
}
// Prevent steppers timing-out in the middle of M600
#if ENABLED(ADVANCED_PAUSE_FEATURE) && ENABLED(PAUSE_PARK_NO_STEPPER_TIMEOUT)
#define MOVE_AWAY_TEST !move_away_flag
#else
#define MOVE_AWAY_TEST true
#endif
if (MOVE_AWAY_TEST && stepper_inactive_time && ELAPSED(ms, previous_cmd_ms + stepper_inactive_time)
&& !ignore_stepper_queue && !planner.blocks_queued()) {
#if ENABLED(DISABLE_INACTIVE_X)
disable_X();
#endif
#if ENABLED(DISABLE_INACTIVE_Y)
disable_Y();
#endif
#if ENABLED(DISABLE_INACTIVE_Z)
disable_Z();
#endif
#if ENABLED(DISABLE_INACTIVE_E)
disable_e_steppers();
#endif
#if ENABLED(AUTO_BED_LEVELING_UBL) && ENABLED(ULTRA_LCD) // Only needed with an LCD
ubl_lcd_map_control = defer_return_to_status = false;
#endif
}
#ifdef CHDK // Check if pin should be set to LOW after M240 set it to HIGH
if (chdkActive && ELAPSED(ms, chdkHigh + CHDK_DELAY)) {
chdkActive = false;
WRITE(CHDK, LOW);
}
#endif
#if HAS_KILL
// Check if the kill button was pressed and wait just in case it was an accidental
// key kill key press
// -------------------------------------------------------------------------------
static int killCount = 0; // make the inactivity button a bit less responsive
const int KILL_DELAY = 750;
if (!READ(KILL_PIN))
killCount++;
else if (killCount > 0)
killCount--;
// Exceeded threshold and we can confirm that it was not accidental
// KILL the machine
// ----------------------------------------------------------------
if (killCount >= KILL_DELAY) {
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM(MSG_KILL_BUTTON);
kill(PSTR(MSG_KILLED));
}
#endif
#if HAS_HOME
// Check to see if we have to home, use poor man's debouncer
// ---------------------------------------------------------
static int homeDebounceCount = 0; // poor man's debouncing count
const int HOME_DEBOUNCE_DELAY = 2500;
if (!IS_SD_PRINTING && !READ(HOME_PIN)) {
if (!homeDebounceCount) {
enqueue_and_echo_commands_P(PSTR("G28"));
LCD_MESSAGEPGM(MSG_AUTO_HOME);
}
if (homeDebounceCount < HOME_DEBOUNCE_DELAY)
homeDebounceCount++;
else
homeDebounceCount = 0;
}
#endif
#if ENABLED(USE_CONTROLLER_FAN)
controllerFan(); // Check if fan should be turned on to cool stepper drivers down
#endif
#if ENABLED(EXTRUDER_RUNOUT_PREVENT)
if (ELAPSED(ms, previous_cmd_ms + (EXTRUDER_RUNOUT_SECONDS) * 1000UL)
&& thermalManager.degHotend(active_extruder) > EXTRUDER_RUNOUT_MINTEMP) {
#if ENABLED(SWITCHING_EXTRUDER)
const bool oldstatus = E0_ENABLE_READ;
enable_E0();
#else // !SWITCHING_EXTRUDER
bool oldstatus;
switch (active_extruder) {
default: oldstatus = E0_ENABLE_READ; enable_E0(); break;
#if E_STEPPERS > 1
case 1: oldstatus = E1_ENABLE_READ; enable_E1(); break;
#if E_STEPPERS > 2
case 2: oldstatus = E2_ENABLE_READ; enable_E2(); break;
#if E_STEPPERS > 3
case 3: oldstatus = E3_ENABLE_READ; enable_E3(); break;
#if E_STEPPERS > 4
case 4: oldstatus = E4_ENABLE_READ; enable_E4(); break;
#endif // E_STEPPERS > 4
#endif // E_STEPPERS > 3
#endif // E_STEPPERS > 2
#endif // E_STEPPERS > 1
}
#endif // !SWITCHING_EXTRUDER
gcode.refresh_cmd_timeout()
const float olde = current_position[E_AXIS];
current_position[E_AXIS] += EXTRUDER_RUNOUT_EXTRUDE;
planner.buffer_line_kinematic(current_position, MMM_TO_MMS(EXTRUDER_RUNOUT_SPEED), active_extruder);
current_position[E_AXIS] = olde;
planner.set_e_position_mm(olde);
stepper.synchronize();
#if ENABLED(SWITCHING_EXTRUDER)
E0_ENABLE_WRITE(oldstatus);
#else
switch (active_extruder) {
case 0: E0_ENABLE_WRITE(oldstatus); break;
#if E_STEPPERS > 1
case 1: E1_ENABLE_WRITE(oldstatus); break;
#if E_STEPPERS > 2
case 2: E2_ENABLE_WRITE(oldstatus); break;
#if E_STEPPERS > 3
case 3: E3_ENABLE_WRITE(oldstatus); break;
#if E_STEPPERS > 4
case 4: E4_ENABLE_WRITE(oldstatus); break;
#endif // E_STEPPERS > 4
#endif // E_STEPPERS > 3
#endif // E_STEPPERS > 2
#endif // E_STEPPERS > 1
}
#endif // !SWITCHING_EXTRUDER
}
#endif // EXTRUDER_RUNOUT_PREVENT
#if ENABLED(DUAL_X_CARRIAGE)
// handle delayed move timeout
if (delayed_move_time && ELAPSED(ms, delayed_move_time + 1000UL) && IsRunning()) {
// travel moves have been received so enact them
delayed_move_time = 0xFFFFFFFFUL; // force moves to be done
set_destination_to_current();
prepare_move_to_destination();
}
#endif
#if ENABLED(TEMP_STAT_LEDS)
handle_status_leds();
#endif
#if ENABLED(HAVE_TMC2130)
tmc2130_checkOverTemp();
#endif
planner.check_axes_activity();
}
/**
* Standard idle routine keeps the machine alive
*/
void idle(
#if ENABLED(ADVANCED_PAUSE_FEATURE)
bool no_stepper_sleep/*=false*/
#endif
) {
#if ENABLED(MAX7219_DEBUG)
Max7219_idle_tasks();
#endif // MAX7219_DEBUG
lcd_update();
host_keepalive();
#if ENABLED(AUTO_REPORT_TEMPERATURES) && (HAS_TEMP_HOTEND || HAS_TEMP_BED)
auto_report_temperatures();
#endif
manage_inactivity(
#if ENABLED(ADVANCED_PAUSE_FEATURE)
no_stepper_sleep
#endif
);
thermalManager.manage_heater();
#if ENABLED(PRINTCOUNTER)
print_job_timer.tick();
#endif
#if HAS_BUZZER && DISABLED(LCD_USE_I2C_BUZZER)
buzzer.tick();
#endif
#if ENABLED(I2C_POSITION_ENCODERS)
if (planner.blocks_queued() &&
( (blockBufferIndexRef != planner.block_buffer_head) ||
((lastUpdateMillis + I2CPE_MIN_UPD_TIME_MS) < millis())) ) {
blockBufferIndexRef = planner.block_buffer_head;
I2CPEM.update();
lastUpdateMillis = millis();
}
#endif
}
/**
* Kill all activity and lock the machine.
* After this the machine will need to be reset.
*/
void kill(const char* lcd_msg) {
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM(MSG_ERR_KILLED);
thermalManager.disable_all_heaters();
disable_all_steppers();
#if ENABLED(ULTRA_LCD)
kill_screen(lcd_msg);
#else
UNUSED(lcd_msg);
#endif
_delay_ms(600); // Wait a short time (allows messages to get out before shutting down.
cli(); // Stop interrupts
_delay_ms(250); //Wait to ensure all interrupts routines stopped
thermalManager.disable_all_heaters(); //turn off heaters again
#ifdef ACTION_ON_KILL
SERIAL_ECHOLNPGM("//action:" ACTION_ON_KILL);
#endif
#if HAS_POWER_SWITCH
SET_INPUT(PS_ON_PIN);
#endif
suicide();
while (1) {
#if ENABLED(USE_WATCHDOG)
watchdog_reset();
#endif
} // Wait for reset
}
/**
* Turn off heaters and stop the print in progress
* After a stop the machine may be resumed with M999
*/
void stop() {
thermalManager.disable_all_heaters(); // 'unpause' taken care of in here
#if ENABLED(PROBING_FANS_OFF)
if (fans_paused) fans_pause(false); // put things back the way they were
#endif
if (IsRunning()) {
Stopped_gcode_LastN = gcode_LastN; // Save last g_code for restart
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM(MSG_ERR_STOPPED);
LCD_MESSAGEPGM(MSG_STOPPED);
safe_delay(350); // allow enough time for messages to get out before stopping
Running = false;
}
}
/**
* Marlin entry-point: Set up before the program loop
* - Set up the kill pin, filament runout, power hold
* - Start the serial port
* - Print startup messages and diagnostics
* - Get EEPROM or default settings
* - Initialize managers for:
* • temperature
* • planner
* • watchdog
* • stepper
* • photo pin
* • servos
* • LCD controller
* • Digipot I2C
* • Z probe sled
* • status LEDs
*/
void setup() {
#if ENABLED(MAX7219_DEBUG)
Max7219_init();
#endif
#ifdef DISABLE_JTAG
// Disable JTAG on AT90USB chips to free up pins for IO
MCUCR = 0x80;
MCUCR = 0x80;
#endif
#if ENABLED(FILAMENT_RUNOUT_SENSOR)
setup_filrunoutpin();
#endif
setup_killpin();
setup_powerhold();
#if HAS_STEPPER_RESET
disableStepperDrivers();
#endif
MYSERIAL.begin(BAUDRATE);
while(!MYSERIAL);
SERIAL_PROTOCOLLNPGM("start");
SERIAL_ECHO_START();
// Check startup - does nothing if bootloader sets MCUSR to 0
byte mcu = HAL_get_reset_source();
if (mcu & 1) SERIAL_ECHOLNPGM(MSG_POWERUP);
if (mcu & 2) SERIAL_ECHOLNPGM(MSG_EXTERNAL_RESET);
if (mcu & 4) SERIAL_ECHOLNPGM(MSG_BROWNOUT_RESET);
if (mcu & 8) SERIAL_ECHOLNPGM(MSG_WATCHDOG_RESET);
if (mcu & 32) SERIAL_ECHOLNPGM(MSG_SOFTWARE_RESET);
HAL_clear_reset_source();
#if ENABLED(USE_WATCHDOG) //reinit watchdog after HAL_get_reset_source call
watchdog_init();
#endif
SERIAL_ECHOPGM(MSG_MARLIN);
SERIAL_CHAR(' ');
SERIAL_ECHOLNPGM(SHORT_BUILD_VERSION);
SERIAL_EOL();
#if defined(STRING_DISTRIBUTION_DATE) && defined(STRING_CONFIG_H_AUTHOR)
SERIAL_ECHO_START();
SERIAL_ECHOPGM(MSG_CONFIGURATION_VER);
SERIAL_ECHOPGM(STRING_DISTRIBUTION_DATE);
SERIAL_ECHOLNPGM(MSG_AUTHOR STRING_CONFIG_H_AUTHOR);
SERIAL_ECHO_START();
SERIAL_ECHOLNPGM("Compiled: " __DATE__);
#endif
SERIAL_ECHO_START();
SERIAL_ECHOPAIR(MSG_FREE_MEMORY, freeMemory());
SERIAL_ECHOLNPAIR(MSG_PLANNER_BUFFER_BYTES, (int)sizeof(block_t)*BLOCK_BUFFER_SIZE);
queue_setup();
// Load data from EEPROM if available (or use defaults)
// This also updates variables in the planner, elsewhere
(void)settings.load();
#if HAS_M206_COMMAND
// Initialize current position based on home_offset
COPY(current_position, home_offset);
#else
ZERO(current_position);
#endif
// Vital to init stepper/planner equivalent for current_position
SYNC_PLAN_POSITION_KINEMATIC();
thermalManager.init(); // Initialize temperature loop
stepper.init(); // Initialize stepper, this enables interrupts!
servo_init();
#if HAS_PHOTOGRAPH
OUT_WRITE(PHOTOGRAPH_PIN, LOW);
#endif
#if HAS_CASE_LIGHT
case_light_on = CASE_LIGHT_DEFAULT_ON;
case_light_brightness = CASE_LIGHT_DEFAULT_BRIGHTNESS;
update_case_light();
#endif
#if ENABLED(SPINDLE_LASER_ENABLE)
OUT_WRITE(SPINDLE_LASER_ENABLE_PIN, !SPINDLE_LASER_ENABLE_INVERT); // init spindle to off
#if SPINDLE_DIR_CHANGE
OUT_WRITE(SPINDLE_DIR_PIN, SPINDLE_INVERT_DIR ? 255 : 0); // init rotation to clockwise (M3)
#endif
#if ENABLED(SPINDLE_LASER_PWM) && defined(SPINDLE_LASER_PWM_PIN) && SPINDLE_LASER_PWM_PIN >= 0
SET_OUTPUT(SPINDLE_LASER_PWM_PIN);
analogWrite(SPINDLE_LASER_PWM_PIN, SPINDLE_LASER_PWM_INVERT ? 255 : 0); // set to lowest speed
#endif
#endif
#if HAS_BED_PROBE
endstops.enable_z_probe(false);
#endif
#if ENABLED(USE_CONTROLLER_FAN)
SET_OUTPUT(CONTROLLER_FAN_PIN); //Set pin used for driver cooling fan
#endif
#if HAS_STEPPER_RESET
enableStepperDrivers();
#endif
#if ENABLED(DIGIPOT_I2C)
digipot_i2c_init();
#endif
#if ENABLED(DAC_STEPPER_CURRENT)
dac_init();
#endif
#if (ENABLED(Z_PROBE_SLED) || ENABLED(SOLENOID_PROBE)) && HAS_SOLENOID_1
OUT_WRITE(SOL1_PIN, LOW); // turn it off
#endif
#if HAS_HOME
SET_INPUT_PULLUP(HOME_PIN);
#endif
#if PIN_EXISTS(STAT_LED_RED)
OUT_WRITE(STAT_LED_RED_PIN, LOW); // turn it off
#endif
#if PIN_EXISTS(STAT_LED_BLUE)
OUT_WRITE(STAT_LED_BLUE_PIN, LOW); // turn it off
#endif
#if ENABLED(NEOPIXEL_RGBW_LED)
SET_OUTPUT(NEOPIXEL_PIN);
setup_neopixel();
#endif
#if ENABLED(RGB_LED) || ENABLED(RGBW_LED)
SET_OUTPUT(RGB_LED_R_PIN);
SET_OUTPUT(RGB_LED_G_PIN);
SET_OUTPUT(RGB_LED_B_PIN);
#if ENABLED(RGBW_LED)
SET_OUTPUT(RGB_LED_W_PIN);
#endif
#endif
#if ENABLED(MK2_MULTIPLEXER)
SET_OUTPUT(E_MUX0_PIN);
SET_OUTPUT(E_MUX1_PIN);
SET_OUTPUT(E_MUX2_PIN);
#endif
#if HAS_FANMUX
fanmux_init();
#endif
lcd_init();
#ifndef CUSTOM_BOOTSCREEN_TIMEOUT
#define CUSTOM_BOOTSCREEN_TIMEOUT 2500
#endif
#if ENABLED(SHOW_BOOTSCREEN)
#if ENABLED(DOGLCD) // On DOGM the first bootscreen is already drawn
#if ENABLED(SHOW_CUSTOM_BOOTSCREEN)
safe_delay(CUSTOM_BOOTSCREEN_TIMEOUT); // Custom boot screen pause
lcd_bootscreen(); // Show Marlin boot screen
#endif
safe_delay(BOOTSCREEN_TIMEOUT); // Pause
#elif ENABLED(ULTRA_LCD)
lcd_bootscreen();
#if DISABLED(SDSUPPORT)
lcd_init();
#endif
#endif
#endif
#if ENABLED(MIXING_EXTRUDER) && MIXING_VIRTUAL_TOOLS > 1
// Initialize mixing to 100% color 1
for (uint8_t i = 0; i < MIXING_STEPPERS; i++)
mixing_factor[i] = (i == 0) ? 1.0 : 0.0;
for (uint8_t t = 0; t < MIXING_VIRTUAL_TOOLS; t++)
for (uint8_t i = 0; i < MIXING_STEPPERS; i++)
mixing_virtual_tool_mix[t][i] = mixing_factor[i];
#endif
#if ENABLED(BLTOUCH)
// Make sure any BLTouch error condition is cleared
bltouch_command(BLTOUCH_RESET);
set_bltouch_deployed(true);
set_bltouch_deployed(false);
#endif
#if ENABLED(I2C_POSITION_ENCODERS)
I2CPEM.init();
#endif
#if ENABLED(EXPERIMENTAL_I2CBUS) && I2C_SLAVE_ADDRESS > 0
i2c.onReceive(i2c_on_receive);
i2c.onRequest(i2c_on_request);
#endif
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
setup_endstop_interrupts();
#endif
#if ENABLED(SWITCHING_EXTRUDER) && !DONT_SWITCH
move_extruder_servo(0); // Initialize extruder servo
#endif
#if ENABLED(SWITCHING_NOZZLE)
move_nozzle_servo(0); // Initialize nozzle servo
#endif
#if ENABLED(PARKING_EXTRUDER)
#if ENABLED(PARKING_EXTRUDER_SOLENOIDS_INVERT)
pe_activate_magnet(0);
pe_activate_magnet(1);
#else
pe_deactivate_magnet(0);
pe_deactivate_magnet(1);
#endif
#endif
}
/**
* The main Marlin program loop
*
* - Save or log commands to SD
* - Process available commands (if not saving)
* - Call heater manager
* - Call inactivity manager
* - Call endstop manager
* - Call LCD update
*/
void loop() {
if (commands_in_queue < BUFSIZE) get_available_commands();
#if ENABLED(SDSUPPORT)
card.checkautostart(false);
#endif
advance_command_queue();
endstops.report_state();
idle();
}