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grbl-LPC-CoreXY/grbl/config.h
Todd Fleming 4ec14b6ec6 Current control
2017-01-07 18:31:12 -05:00

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/*
config.h - compile time configuration
Part of Grbl
Copyright (c) 2012-2016 Sungeun K. Jeon for Gnea Research LLC
Copyright (c) 2009-2011 Simen Svale Skogsrud
Grbl 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.
Grbl 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 Grbl. If not, see <http://www.gnu.org/licenses/>.
*/
// This file contains compile-time configurations for Grbl's internal system. For the most part,
// users will not need to directly modify these, but they are here for specific needs, i.e.
// performance tuning or adjusting to non-typical machines.
// IMPORTANT: Any changes here requires a full re-compiling of the source code to propagate them.
#ifndef config_h
#define config_h
#include "grbl.h" // For Arduino IDE compatibility.
#include "LPC17xx.h"
// Define CPU pin map and default settings.
// NOTE: OEMs can avoid the need to maintain/update the defaults.h and cpu_map.h files and use only
// one configuration file by placing their specific defaults and pin map at the bottom of this file.
// If doing so, simply comment out these two defines and see instructions below.
// #define DEFAULTS_GENERIC
// #define CPU_MAP_ATMEGA328P // Arduino Uno CPU
// Serial baud rate
// #define BAUD_RATE 230400
#define BAUD_RATE 115200
// Define realtime command special characters. These characters are 'picked-off' directly from the
// serial read data stream and are not passed to the grbl line execution parser. Select characters
// that do not and must not exist in the streamed g-code program. ASCII control characters may be
// used, if they are available per user setup. Also, extended ASCII codes (>127), which are never in
// g-code programs, maybe selected for interface programs.
// NOTE: If changed, manually update help message in report.c.
#define CMD_RESET 0x18 // ctrl-x.
#define CMD_STATUS_REPORT '?'
#define CMD_CYCLE_START '~'
#define CMD_FEED_HOLD '!'
// NOTE: All override realtime commands must be in the extended ASCII character set, starting
// at character value 128 (0x80) and up to 255 (0xFF). If the normal set of realtime commands,
// such as status reports, feed hold, reset, and cycle start, are moved to the extended set
// space, serial.c's RX ISR will need to be modified to accomodate the change.
// #define CMD_RESET 0x80
// #define CMD_STATUS_REPORT 0x81
// #define CMD_CYCLE_START 0x82
// #define CMD_FEED_HOLD 0x83
#define CMD_SAFETY_DOOR 0x84
#define CMD_JOG_CANCEL 0x85
#define CMD_DEBUG_REPORT 0x86 // Only when DEBUG enabled, sends debug report in '{}' braces.
#define CMD_FEED_OVR_RESET 0x90 // Restores feed override value to 100%.
#define CMD_FEED_OVR_COARSE_PLUS 0x91
#define CMD_FEED_OVR_COARSE_MINUS 0x92
#define CMD_FEED_OVR_FINE_PLUS 0x93
#define CMD_FEED_OVR_FINE_MINUS 0x94
#define CMD_RAPID_OVR_RESET 0x95 // Restores rapid override value to 100%.
#define CMD_RAPID_OVR_MEDIUM 0x96
#define CMD_RAPID_OVR_LOW 0x97
// #define CMD_RAPID_OVR_EXTRA_LOW 0x98 // *NOT SUPPORTED*
#define CMD_SPINDLE_OVR_RESET 0x99 // Restores spindle override value to 100%.
#define CMD_SPINDLE_OVR_COARSE_PLUS 0x9A
#define CMD_SPINDLE_OVR_COARSE_MINUS 0x9B
#define CMD_SPINDLE_OVR_FINE_PLUS 0x9C
#define CMD_SPINDLE_OVR_FINE_MINUS 0x9D
#define CMD_SPINDLE_OVR_STOP 0x9E
#define CMD_COOLANT_FLOOD_OVR_TOGGLE 0xA0
#define CMD_COOLANT_MIST_OVR_TOGGLE 0xA1
// If homing is enabled, homing init lock sets Grbl into an alarm state upon power up. This forces
// the user to perform the homing cycle (or override the locks) before doing anything else. This is
// mainly a safety feature to remind the user to home, since position is unknown to Grbl.
#define HOMING_INIT_LOCK // Comment to disable
// Define the homing cycle patterns with bitmasks. The homing cycle first performs a search mode
// to quickly engage the limit switches, followed by a slower locate mode, and finished by a short
// pull-off motion to disengage the limit switches. The following HOMING_CYCLE_x defines are executed
// in order starting with suffix 0 and completes the homing routine for the specified-axes only. If
// an axis is omitted from the defines, it will not home, nor will the system update its position.
// Meaning that this allows for users with non-standard cartesian machines, such as a lathe (x then z,
// with no y), to configure the homing cycle behavior to their needs.
// NOTE: The homing cycle is designed to allow sharing of limit pins, if the axes are not in the same
// cycle, but this requires some pin settings changes in cpu_map.h file. For example, the default homing
// cycle can share the Z limit pin with either X or Y limit pins, since they are on different cycles.
// By sharing a pin, this frees up a precious IO pin for other purposes. In theory, all axes limit pins
// may be reduced to one pin, if all axes are homed with seperate cycles, or vice versa, all three axes
// on separate pin, but homed in one cycle. Also, it should be noted that the function of hard limits
// will not be affected by pin sharing.
// NOTE: Defaults are set for a traditional 3-axis CNC machine. Z-axis first to clear, followed by X & Y.
#define HOMING_CYCLE_0 (1<<Z_AXIS) // REQUIRED: First move Z to clear workspace.
#define HOMING_CYCLE_1 ((1<<X_AXIS)|(1<<Y_AXIS)) // OPTIONAL: Then move X,Y at the same time.
// #define HOMING_CYCLE_2 // OPTIONAL: Uncomment and add axes mask to enable
// NOTE: The following are two examples to setup homing for 2-axis machines.
// #define HOMING_CYCLE_0 ((1<<X_AXIS)|(1<<Y_AXIS)) // NOT COMPATIBLE WITH COREXY: Homes both X-Y in one cycle.
// #define HOMING_CYCLE_0 (1<<X_AXIS) // COREXY COMPATIBLE: First home X
// #define HOMING_CYCLE_1 (1<<Y_AXIS) // COREXY COMPATIBLE: Then home Y
// Number of homing cycles performed after when the machine initially jogs to limit switches.
// This help in preventing overshoot and should improve repeatability. This value should be one or
// greater.
#define N_HOMING_LOCATE_CYCLE 1 // Integer (1-128)
// Enables single axis homing commands. $HX, $HY, and $HZ for X, Y, and Z-axis homing. The full homing
// cycle is still invoked by the $H command. This is disabled by default. It's here only to address
// users that need to switch between a two-axis and three-axis machine. This is actually very rare.
// If you have a two-axis machine, DON'T USE THIS. Instead, just alter the homing cycle for two-axes.
// #define HOMING_SINGLE_AXIS_COMMANDS // Default disabled. Uncomment to enable.
// After homing, Grbl will set by default the entire machine space into negative space, as is typical
// for professional CNC machines, regardless of where the limit switches are located. Uncomment this
// define to force Grbl to always set the machine origin at the homed location despite switch orientation.
// #define HOMING_FORCE_SET_ORIGIN // Uncomment to enable.
// Number of blocks Grbl executes upon startup. These blocks are stored in EEPROM, where the size
// and addresses are defined in settings.h. With the current settings, up to 2 startup blocks may
// be stored and executed in order. These startup blocks would typically be used to set the g-code
// parser state depending on user preferences.
#define N_STARTUP_LINE 2 // Integer (1-2)
// Number of floating decimal points printed by Grbl for certain value types. These settings are
// determined by realistic and commonly observed values in CNC machines. For example, position
// values cannot be less than 0.001mm or 0.0001in, because machines can not be physically more
// precise this. So, there is likely no need to change these, but you can if you need to here.
// NOTE: Must be an integer value from 0 to ~4. More than 4 may exhibit round-off errors.
#define N_DECIMAL_COORDVALUE_INCH 4 // Coordinate or position value in inches
#define N_DECIMAL_COORDVALUE_MM 3 // Coordinate or position value in mm
#define N_DECIMAL_RATEVALUE_INCH 1 // Rate or velocity value in in/min
#define N_DECIMAL_RATEVALUE_MM 0 // Rate or velocity value in mm/min
#define N_DECIMAL_SETTINGVALUE 3 // Decimals for floating point setting values
#define N_DECIMAL_RPMVALUE 0 // RPM value in rotations per min.
// If your machine has two limits switches wired in parallel to one axis, you will need to enable
// this feature. Since the two switches are sharing a single pin, there is no way for Grbl to tell
// which one is enabled. This option only effects homing, where if a limit is engaged, Grbl will
// alarm out and force the user to manually disengage the limit switch. Otherwise, if you have one
// limit switch for each axis, don't enable this option. By keeping it disabled, you can perform a
// homing cycle while on the limit switch and not have to move the machine off of it.
// #define LIMITS_TWO_SWITCHES_ON_AXES
// Allows GRBL to track and report gcode line numbers. Enabling this means that the planning buffer
// goes from 16 to 15 to make room for the additional line number data in the plan_block_t struct
// #define USE_LINE_NUMBERS // Disabled by default. Uncomment to enable.
// Upon a successful probe cycle, this option provides immediately feedback of the probe coordinates
// through an automatically generated message. If disabled, users can still access the last probe
// coordinates through Grbl '$#' print parameters.
#define MESSAGE_PROBE_COORDINATES // Enabled by default. Comment to disable.
// Enables a second coolant control pin via the mist coolant g-code command M7 on the Arduino Uno
// analog pin 4. Only use this option if you require a second coolant control pin.
// NOTE: The M8 flood coolant control pin on analog pin 3 will still be functional regardless.
// #define ENABLE_M7 // Disabled by default. Uncomment to enable.
// This option causes the feed hold input to act as a safety door switch. A safety door, when triggered,
// immediately forces a feed hold and then safely de-energizes the machine. Resuming is blocked until
// the safety door is re-engaged. When it is, Grbl will re-energize the machine and then resume on the
// previous tool path, as if nothing happened.
// #define ENABLE_SAFETY_DOOR_INPUT_PIN // Default disabled. Uncomment to enable.
// After the safety door switch has been toggled and restored, this setting sets the power-up delay
// between restoring the spindle and coolant and resuming the cycle.
#define SAFETY_DOOR_SPINDLE_DELAY 4.0 // Float (seconds)
#define SAFETY_DOOR_COOLANT_DELAY 1.0 // Float (seconds)
// Enable CoreXY kinematics. Use ONLY with CoreXY machines.
// IMPORTANT: If homing is enabled, you must reconfigure the homing cycle #defines above to
// #define HOMING_CYCLE_0 (1<<X_AXIS) and #define HOMING_CYCLE_1 (1<<Y_AXIS)
// NOTE: This configuration option alters the motion of the X and Y axes to principle of operation
// defined at (http://corexy.com/theory.html). Motors are assumed to positioned and wired exactly as
// described, if not, motions may move in strange directions. Grbl requires the CoreXY A and B motors
// have the same steps per mm internally.
// #define COREXY // Default disabled. Uncomment to enable.
// Inverts pin logic of the control command pins based on a mask. This essentially means you can use
// normally-closed switches on the specified pins, rather than the default normally-open switches.
// NOTE: The top option will mask and invert all control pins. The bottom option is an example of
// inverting only two control pins, the safety door and reset. See cpu_map.h for other bit definitions.
// #define INVERT_CONTROL_PIN_MASK CONTROL_MASK // Default disabled. Uncomment to disable.
// #define INVERT_CONTROL_PIN_MASK ((1<<CONTROL_SAFETY_DOOR_BIT)|(CONTROL_RESET_BIT)) // Default disabled.
// Inverts select limit pin states based on the following mask. This effects all limit pin functions,
// such as hard limits and homing. However, this is different from overall invert limits setting.
// This build option will invert only the limit pins defined here, and then the invert limits setting
// will be applied to all of them. This is useful when a user has a mixed set of limit pins with both
// normally-open(NO) and normally-closed(NC) switches installed on their machine.
// NOTE: PLEASE DO NOT USE THIS, unless you have a situation that needs it.
// #define INVERT_LIMIT_PIN_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)) // Default disabled. Uncomment to enable.
// Inverts the spindle enable pin from low-disabled/high-enabled to low-enabled/high-disabled. Useful
// for some pre-built electronic boards.
// NOTE: If VARIABLE_SPINDLE is enabled(default), this option has no effect as the PWM output and
// spindle enable are combined to one pin. If you need both this option and spindle speed PWM,
// uncomment the config option USE_SPINDLE_DIR_AS_ENABLE_PIN below.
// #define INVERT_SPINDLE_ENABLE_PIN // Default disabled. Uncomment to enable.
// Inverts the selected coolant pin from low-disabled/high-enabled to low-enabled/high-disabled. Useful
// for some pre-built electronic boards.
// #define INVERT_COOLANT_FLOOD_PIN // Default disabled. Uncomment to enable.
// #define INVERT_COOLANT_MIST_PIN // Default disabled. Note: Enable M7 mist coolant in config.h
// When Grbl powers-cycles or is hard reset with the Arduino reset button, Grbl boots up with no ALARM
// by default. This is to make it as simple as possible for new users to start using Grbl. When homing
// is enabled and a user has installed limit switches, Grbl will boot up in an ALARM state to indicate
// Grbl doesn't know its position and to force the user to home before proceeding. This option forces
// Grbl to always initialize into an ALARM state regardless of homing or not. This option is more for
// OEMs and LinuxCNC users that would like this power-cycle behavior.
// #define FORCE_INITIALIZATION_ALARM // Default disabled. Uncomment to enable.
// At power-up or a reset, Grbl will check the limit switch states to ensure they are not active
// before initialization. If it detects a problem and the hard limits setting is enabled, Grbl will
// simply message the user to check the limits and enter an alarm state, rather than idle. Grbl will
// not throw an alarm message.
#define CHECK_LIMITS_AT_INIT
// ---------------------------------------------------------------------------------------
// ADVANCED CONFIGURATION OPTIONS:
// Enables code for debugging purposes. Not for general use and always in constant flux.
// #define DEBUG // Uncomment to enable. Default disabled.
// Configure rapid, feed, and spindle override settings. These values define the max and min
// allowable override values and the coarse and fine increments per command received. Please
// note the allowable values in the descriptions following each define.
#define DEFAULT_FEED_OVERRIDE 100 // 100%. Don't change this value.
#define MAX_FEED_RATE_OVERRIDE 200 // Percent of programmed feed rate (100-255). Usually 120% or 200%
#define MIN_FEED_RATE_OVERRIDE 10 // Percent of programmed feed rate (1-100). Usually 50% or 1%
#define FEED_OVERRIDE_COARSE_INCREMENT 10 // (1-99). Usually 10%.
#define FEED_OVERRIDE_FINE_INCREMENT 1 // (1-99). Usually 1%.
#define DEFAULT_RAPID_OVERRIDE 100 // 100%. Don't change this value.
#define RAPID_OVERRIDE_MEDIUM 50 // Percent of rapid (1-99). Usually 50%.
#define RAPID_OVERRIDE_LOW 25 // Percent of rapid (1-99). Usually 25%.
// #define RAPID_OVERRIDE_EXTRA_LOW 5 // *NOT SUPPORTED* Percent of rapid (1-99). Usually 5%.
#define DEFAULT_SPINDLE_SPEED_OVERRIDE 100 // 100%. Don't change this value.
#define MAX_SPINDLE_SPEED_OVERRIDE 200 // Percent of programmed spindle speed (100-255). Usually 200%.
#define MIN_SPINDLE_SPEED_OVERRIDE 10 // Percent of programmed spindle speed (1-100). Usually 10%.
#define SPINDLE_OVERRIDE_COARSE_INCREMENT 10 // (1-99). Usually 10%.
#define SPINDLE_OVERRIDE_FINE_INCREMENT 1 // (1-99). Usually 1%.
// When a M2 or M30 program end command is executed, most g-code states are restored to their defaults.
// This compile-time option includes the restoring of the feed, rapid, and spindle speed override values
// to their default values at program end.
#define RESTORE_OVERRIDES_AFTER_PROGRAM_END // Default enabled. Comment to disable.
// The status report change for Grbl v1.1 and after also removed the ability to disable/enable most data
// fields from the report. This caused issues for GUI developers, who've had to manage several scenarios
// and configurations. The increased efficiency of the new reporting style allows for all data fields to
// be sent without potential performance issues.
// NOTE: The options below are here only provide a way to disable certain data fields if a unique
// situation demands it, but be aware GUIs may depend on this data. If disabled, it may not be compatible.
#define REPORT_FIELD_BUFFER_STATE // Default enabled. Comment to disable.
#define REPORT_FIELD_PIN_STATE // Default enabled. Comment to disable.
#define REPORT_FIELD_CURRENT_FEED_SPEED // Default enabled. Comment to disable.
#define REPORT_FIELD_WORK_COORD_OFFSET // Default enabled. Comment to disable.
#define REPORT_FIELD_OVERRIDES // Default enabled. Comment to disable.
#define REPORT_FIELD_LINE_NUMBERS // Default enabled. Comment to disable.
// Some status report data isn't necessary for realtime, only intermittently, because the values don't
// change often. The following macros configures how many times a status report needs to be called before
// the associated data is refreshed and included in the status report. However, if one of these value
// changes, Grbl will automatically include this data in the next status report, regardless of what the
// count is at the time. This helps reduce the communication overhead involved with high frequency reporting
// and agressive streaming. There is also a busy and an idle refresh count, which sets up Grbl to send
// refreshes more often when its not doing anything important. With a good GUI, this data doesn't need
// to be refreshed very often, on the order of a several seconds.
// NOTE: WCO refresh must be 2 or greater. OVR refresh must be 1 or greater.
#define REPORT_OVR_REFRESH_BUSY_COUNT 20 // (1-255)
#define REPORT_OVR_REFRESH_IDLE_COUNT 10 // (1-255) Must be less than or equal to the busy count
#define REPORT_WCO_REFRESH_BUSY_COUNT 30 // (2-255)
#define REPORT_WCO_REFRESH_IDLE_COUNT 10 // (2-255) Must be less than or equal to the busy count
// The temporal resolution of the acceleration management subsystem. A higher number gives smoother
// acceleration, particularly noticeable on machines that run at very high feedrates, but may negatively
// impact performance. The correct value for this parameter is machine dependent, so it's advised to
// set this only as high as needed. Approximate successful values can widely range from 50 to 200 or more.
// NOTE: Changing this value also changes the execution time of a segment in the step segment buffer.
// When increasing this value, this stores less overall time in the segment buffer and vice versa. Make
// certain the step segment buffer is increased/decreased to account for these changes.
#define ACCELERATION_TICKS_PER_SECOND 100
// Adaptive Multi-Axis Step Smoothing (AMASS) is an advanced feature that does what its name implies,
// smoothing the stepping of multi-axis motions. This feature smooths motion particularly at low step
// frequencies below 10kHz, where the aliasing between axes of multi-axis motions can cause audible
// noise and shake your machine. At even lower step frequencies, AMASS adapts and provides even better
// step smoothing. See stepper.c for more details on the AMASS system works.
#define ADAPTIVE_MULTI_AXIS_STEP_SMOOTHING // Default enabled. Comment to disable.
// Sets the maximum step rate allowed to be written as a Grbl setting. This option enables an error
// check in the settings module to prevent settings values that will exceed this limitation. The maximum
// step rate is strictly limited by the CPU speed and will change if something other than an AVR running
// at 16MHz is used.
// NOTE: For now disabled, will enable if flash space permits.
// #define MAX_STEP_RATE_HZ 30000 // Hz
// By default, Grbl sets all input pins to normal-high operation with their internal pull-up resistors
// enabled. This simplifies the wiring for users by requiring only a switch connected to ground,
// although its recommended that users take the extra step of wiring in low-pass filter to reduce
// electrical noise detected by the pin. If the user inverts the pin in Grbl settings, this just flips
// which high or low reading indicates an active signal. In normal operation, this means the user
// needs to connect a normal-open switch, but if inverted, this means the user should connect a
// normal-closed switch.
// The following options disable the internal pull-up resistors, sets the pins to a normal-low
// operation, and switches must be now connect to Vcc instead of ground. This also flips the meaning
// of the invert pin Grbl setting, where an inverted setting now means the user should connect a
// normal-open switch and vice versa.
// NOTE: All pins associated with the feature are disabled, i.e. XYZ limit pins, not individual axes.
// WARNING: When the pull-ups are disabled, this requires additional wiring with pull-down resistors!
//#define DISABLE_LIMIT_PIN_PULL_UP Don't use; pull-up control not ported to ARM yet. pull-up is always on.
//#define DISABLE_PROBE_PIN_PULL_UP Don't use; pull-up control not ported to ARM yet. pull-up is always on.
//#define DISABLE_CONTROL_PIN_PULL_UP Don't use; pull-up control not ported to ARM yet. pull-up is always on.
// Sets which axis the tool length offset is applied. Assumes the spindle is always parallel with
// the selected axis with the tool oriented toward the negative direction. In other words, a positive
// tool length offset value is subtracted from the current location.
#define TOOL_LENGTH_OFFSET_AXIS Z_AXIS // Default z-axis. Valid values are X_AXIS, Y_AXIS, or Z_AXIS.
// Enables variable spindle output voltage for different RPM values. On the Arduino Uno, the spindle
// enable pin will output 5V for maximum RPM with 256 intermediate levels and 0V when disabled.
// NOTE: IMPORTANT for Arduino Unos! When enabled, the Z-limit pin D11 and spindle enable pin D12 switch!
// The hardware PWM output on pin D11 is required for variable spindle output voltages.
#define VARIABLE_SPINDLE // Default enabled. Comment to disable.
// Used by variable spindle output only. This forces the PWM output to a minimum duty cycle when enabled.
// The PWM pin will still read 0V when the spindle is disabled. Most users will not need this option, but
// it may be useful in certain scenarios. This minimum PWM settings coincides with the spindle rpm minimum
// setting, like rpm max to max PWM. This is handy if you need a larger voltage difference between 0V disabled
// and the voltage set by the minimum PWM for minimum rpm. This difference is 0.02V per PWM value. So, when
// minimum PWM is at 1, only 0.02 volts separate enabled and disabled. At PWM 5, this would be 0.1V. Keep
// in mind that you will begin to lose PWM resolution with increased minimum PWM values, since you have less
// and less range over the total 255 PWM levels to signal different spindle speeds.
// NOTE: Compute duty cycle at the minimum PWM by this equation: (% duty cycle)=(SPINDLE_PWM_MIN_VALUE/255)*100
// #define SPINDLE_PWM_MIN_VALUE 5 // Default disabled. Uncomment to enable. Must be greater than zero. Integer (1-255).
// By default on a 328p(Uno), Grbl combines the variable spindle PWM and the enable into one pin to help
// preserve I/O pins. For certain setups, these may need to be separate pins. This configure option uses
// the spindle direction pin(D13) as a separate spindle enable pin along with spindle speed PWM on pin D11.
// NOTE: This configure option only works with VARIABLE_SPINDLE enabled and a 328p processor (Uno).
// NOTE: With no direction pin, the spindle clockwise M4 g-code command will be removed. M3 and M5 still work.
// NOTE: BEWARE! The Arduino bootloader toggles the D13 pin when it powers up. If you flash Grbl with
// a programmer (you can use a spare Arduino as "Arduino as ISP". Search the web on how to wire this.),
// this D13 LED toggling should go away. We haven't tested this though. Please report how it goes!
// #define USE_SPINDLE_DIR_AS_ENABLE_PIN // Default disabled. Uncomment to enable.
// With this enabled, Grbl sends back an echo of the line it has received, which has been pre-parsed (spaces
// removed, capitalized letters, no comments) and is to be immediately executed by Grbl. Echoes will not be
// sent upon a line buffer overflow, but should for all normal lines sent to Grbl. For example, if a user
// sendss the line 'g1 x1.032 y2.45 (test comment)', Grbl will echo back in the form '[echo: G1X1.032Y2.45]'.
// NOTE: Only use this for debugging purposes!! When echoing, this takes up valuable resources and can effect
// performance. If absolutely needed for normal operation, the serial write buffer should be greatly increased
// to help minimize transmission waiting within the serial write protocol.
// #define REPORT_ECHO_LINE_RECEIVED // Default disabled. Uncomment to enable.
// Minimum planner junction speed. Sets the default minimum junction speed the planner plans to at
// every buffer block junction, except for starting from rest and end of the buffer, which are always
// zero. This value controls how fast the machine moves through junctions with no regard for acceleration
// limits or angle between neighboring block line move directions. This is useful for machines that can't
// tolerate the tool dwelling for a split second, i.e. 3d printers or laser cutters. If used, this value
// should not be much greater than zero or to the minimum value necessary for the machine to work.
#define MINIMUM_JUNCTION_SPEED 0.0 // (mm/min)
// Sets the minimum feed rate the planner will allow. Any value below it will be set to this minimum
// value. This also ensures that a planned motion always completes and accounts for any floating-point
// round-off errors. Although not recommended, a lower value than 1.0 mm/min will likely work in smaller
// machines, perhaps to 0.1mm/min, but your success may vary based on multiple factors.
#define MINIMUM_FEED_RATE 1.0 // (mm/min)
// Number of arc generation iterations by small angle approximation before exact arc trajectory
// correction with expensive sin() and cos() calcualtions. This parameter maybe decreased if there
// are issues with the accuracy of the arc generations, or increased if arc execution is getting
// bogged down by too many trig calculations.
#define N_ARC_CORRECTION 12 // Integer (1-255)
// The arc G2/3 g-code standard is problematic by definition. Radius-based arcs have horrible numerical
// errors when arc at semi-circles(pi) or full-circles(2*pi). Offset-based arcs are much more accurate
// but still have a problem when arcs are full-circles (2*pi). This define accounts for the floating
// point issues when offset-based arcs are commanded as full circles, but get interpreted as extremely
// small arcs with around machine epsilon (1.2e-7rad) due to numerical round-off and precision issues.
// This define value sets the machine epsilon cutoff to determine if the arc is a full-circle or not.
// NOTE: Be very careful when adjusting this value. It should always be greater than 1.2e-7 but not too
// much greater than this. The default setting should capture most, if not all, full arc error situations.
#define ARC_ANGULAR_TRAVEL_EPSILON 5E-7 // Float (radians)
// Time delay increments performed during a dwell. The default value is set at 50ms, which provides
// a maximum time delay of roughly 55 minutes, more than enough for most any application. Increasing
// this delay will increase the maximum dwell time linearly, but also reduces the responsiveness of
// run-time command executions, like status reports, since these are performed between each dwell
// time step. Also, keep in mind that the Arduino delay timer is not very accurate for long delays.
#define DWELL_TIME_STEP 50 // Integer (1-255) (milliseconds)
// Creates a delay between the direction pin setting and corresponding step pulse by creating
// another interrupt (Timer2 compare) to manage it. The main Grbl interrupt (Timer1 compare)
// sets the direction pins, and does not immediately set the stepper pins, as it would in
// normal operation. The Timer2 compare fires next to set the stepper pins after the step
// pulse delay time, and Timer2 overflow will complete the step pulse, except now delayed
// by the step pulse time plus the step pulse delay. (Thanks langwadt for the idea!)
// NOTE: Uncomment to enable. The recommended delay must be > 3us, and, when added with the
// user-supplied step pulse time, the total time must not exceed 127us. Reported successful
// values for certain setups have ranged from 5 to 20us.
// #define STEP_PULSE_DELAY 10 // Step pulse delay in microseconds. Default disabled.
// The number of linear motions in the planner buffer to be planned at any give time. The vast
// majority of RAM that Grbl uses is based on this buffer size. Only increase if there is extra
// available RAM, like when re-compiling for a Mega2560. Or decrease if the Arduino begins to
// crash due to the lack of available RAM or if the CPU is having trouble keeping up with planning
// new incoming motions as they are executed.
// #define BLOCK_BUFFER_SIZE 16 // Uncomment to override default in planner.h.
// Governs the size of the intermediary step segment buffer between the step execution algorithm
// and the planner blocks. Each segment is set of steps executed at a constant velocity over a
// fixed time defined by ACCELERATION_TICKS_PER_SECOND. They are computed such that the planner
// block velocity profile is traced exactly. The size of this buffer governs how much step
// execution lead time there is for other Grbl processes have to compute and do their thing
// before having to come back and refill this buffer, currently at ~50msec of step moves.
// #define SEGMENT_BUFFER_SIZE 6 // Uncomment to override default in stepper.h.
// Line buffer size from the serial input stream to be executed. Also, governs the size of
// each of the startup blocks, as they are each stored as a string of this size. Make sure
// to account for the available EEPROM at the defined memory address in settings.h and for
// the number of desired startup blocks.
// NOTE: 80 characters is not a problem except for extreme cases, but the line buffer size
// can be too small and g-code blocks can get truncated. Officially, the g-code standards
// support up to 256 characters. In future versions, this default will be increased, when
// we know how much extra memory space we can re-invest into this.
// #define LINE_BUFFER_SIZE 80 // Uncomment to override default in protocol.h
// Serial send and receive buffer size. The receive buffer is often used as another streaming
// buffer to store incoming blocks to be processed by Grbl when its ready. Most streaming
// interfaces will character count and track each block send to each block response. So,
// increase the receive buffer if a deeper receive buffer is needed for streaming and avaiable
// memory allows. The send buffer primarily handles messages in Grbl. Only increase if large
// messages are sent and Grbl begins to stall, waiting to send the rest of the message.
// NOTE: Grbl generates an average status report in about 0.5msec, but the serial TX stream at
// 115200 baud will take 5 msec to transmit a typical 55 character report. Worst case reports are
// around 90-100 characters. As long as the serial TX buffer doesn't get continually maxed, Grbl
// will continue operating efficiently. Size the TX buffer around the size of a worst-case report.
// #define RX_BUFFER_SIZE 128 // (1-254) Uncomment to override defaults in serial.h
// #define TX_BUFFER_SIZE 100 // (1-254)
// A simple software debouncing feature for hard limit switches. When enabled, the interrupt
// monitoring the hard limit switch pins will enable the Arduino's watchdog timer to re-check
// the limit pin state after a delay of about 32msec. This can help with CNC machines with
// problematic false triggering of their hard limit switches, but it WILL NOT fix issues with
// electrical interference on the signal cables from external sources. It's recommended to first
// use shielded signal cables with their shielding connected to ground (old USB/computer cables
// work well and are cheap to find) and wire in a low-pass circuit into each limit pin.
// #define ENABLE_SOFTWARE_DEBOUNCE // Default disabled. Uncomment to enable.
// Configures the position after a probing cycle during Grbl's check mode. Disabled sets
// the position to the probe target, when enabled sets the position to the start position.
// #define SET_CHECK_MODE_PROBE_TO_START // Default disabled. Uncomment to enable.
// Force Grbl to check the state of the hard limit switches when the processor detects a pin
// change inside the hard limit ISR routine. By default, Grbl will trigger the hard limits
// alarm upon any pin change, since bouncing switches can cause a state check like this to
// misread the pin. When hard limits are triggered, they should be 100% reliable, which is the
// reason that this option is disabled by default. Only if your system/electronics can guarantee
// that the switches don't bounce, we recommend enabling this option. This will help prevent
// triggering a hard limit when the machine disengages from the switch.
// NOTE: This option has no effect if SOFTWARE_DEBOUNCE is enabled.
// #define HARD_LIMIT_FORCE_STATE_CHECK // Default disabled. Uncomment to enable.
// Adjusts homing cycle search and locate scalars. These are the multipliers used by Grbl's
// homing cycle to ensure the limit switches are engaged and cleared through each phase of
// the cycle. The search phase uses the axes max-travel setting times the SEARCH_SCALAR to
// determine distance to look for the limit switch. Once found, the locate phase begins and
// uses the homing pull-off distance setting times the LOCATE_SCALAR to pull-off and re-engage
// the limit switch.
// NOTE: Both of these values must be greater than 1.0 to ensure proper function.
// #define HOMING_AXIS_SEARCH_SCALAR 1.5 // Uncomment to override defaults in limits.c.
// #define HOMING_AXIS_LOCATE_SCALAR 10.0 // Uncomment to override defaults in limits.c.
// Enable the '$RST=*', '$RST=$', and '$RST=#' eeprom restore commands. There are cases where
// these commands may be undesirable. Simply comment the desired macro to disable it.
// NOTE: See SETTINGS_RESTORE_ALL macro for customizing the `$RST=*` command.
#define ENABLE_RESTORE_EEPROM_WIPE_ALL // '$RST=*' Default enabled. Comment to disable.
#define ENABLE_RESTORE_EEPROM_DEFAULT_SETTINGS // '$RST=$' Default enabled. Comment to disable.
#define ENABLE_RESTORE_EEPROM_CLEAR_PARAMETERS // '$RST=#' Default enabled. Comment to disable.
// Defines the EEPROM data restored upon a settings version change and `$RST=*` command. Whenever the
// the settings or other EEPROM data structure changes between Grbl versions, Grbl will automatically
// wipe and restore the EEPROM. This macro controls what data is wiped and restored. This is useful
// particularily for OEMs that need to retain certain data. For example, the BUILD_INFO string can be
// written into the Arduino EEPROM via a seperate .INO sketch to contain product data. Altering this
// macro to not restore the build info EEPROM will ensure this data is retained after firmware upgrades.
// NOTE: Uncomment to override defaults in settings.h
// #define SETTINGS_RESTORE_ALL (SETTINGS_RESTORE_DEFAULTS | SETTINGS_RESTORE_PARAMETERS | SETTINGS_RESTORE_STARTUP_LINES | SETTINGS_RESTORE_BUILD_INFO)
// Enable the '$I=(string)' build info write command. If disabled, any existing build info data must
// be placed into EEPROM via external means with a valid checksum value. This macro option is useful
// to prevent this data from being over-written by a user, when used to store OEM product data.
// NOTE: If disabled and to ensure Grbl can never alter the build info line, you'll also need to enable
// the SETTING_RESTORE_ALL macro above and remove SETTINGS_RESTORE_BUILD_INFO from the mask.
// NOTE: See the included grblWrite_BuildInfo.ino example file to write this string seperately.
#define ENABLE_BUILD_INFO_WRITE_COMMAND // '$I=' Default enabled. Comment to disable.
// AVR processors require all interrupts to be disabled during an EEPROM write. This includes both
// the stepper ISRs and serial comm ISRs. In the event of a long EEPROM write, this ISR pause can
// cause active stepping to lose position and serial receive data to be lost. This configuration
// option forces the planner buffer to completely empty whenever the EEPROM is written to prevent
// any chance of lost steps.
// However, this doesn't prevent issues with lost serial RX data during an EEPROM write, especially
// if a GUI is premptively filling up the serial RX buffer simultaneously. It's highly advised for
// GUIs to flag these gcodes (G10,G28.1,G30.1) to always wait for an 'ok' after a block containing
// one of these commands before sending more data to eliminate this issue.
// NOTE: Most EEPROM write commands are implicitly blocked during a job (all '$' commands). However,
// coordinate set g-code commands (G10,G28/30.1) are not, since they are part of an active streaming
// job. At this time, this option only forces a planner buffer sync with these g-code commands.
#define FORCE_BUFFER_SYNC_DURING_EEPROM_WRITE // Default enabled. Comment to disable.
// In Grbl v0.9 and prior, there is an old outstanding bug where the `WPos:` work position reported
// may not correlate to what is executing, because `WPos:` is based on the g-code parser state, which
// can be several motions behind. This option forces the planner buffer to empty, sync, and stop
// motion whenever there is a command that alters the work coordinate offsets `G10,G43.1,G92,G54-59`.
// This is the simplest way to ensure `WPos:` is always correct. Fortunately, it's exceedingly rare
// that any of these commands are used need continuous motions through them.
#define FORCE_BUFFER_SYNC_DURING_WCO_CHANGE // Default enabled. Comment to disable.
// By default, Grbl disables feed rate overrides for all G38.x probe cycle commands. Although this
// may be different than some pro-class machine control, it's arguable that it should be this way.
// Most probe sensors produce different levels of error that is dependent on rate of speed. By
// keeping probing cycles to their programmed feed rates, the probe sensor should be a lot more
// repeatable. If needed, you can disable this behavior by uncommenting the define below.
// #define ALLOW_FEED_OVERRIDE_DURING_PROBE_CYCLES // Default disabled. Uncomment to enable.
// Enables and configures parking motion methods upon a safety door state. Primarily for OEMs
// that desire this feature for their integrated machines. At the moment, Grbl assumes that
// the parking motion only involves one axis, although the parking implementation was written
// to be easily refactored for any number of motions on different axes by altering the parking
// source code. At this time, Grbl only supports parking one axis (typically the Z-axis) that
// moves in the positive direction upon retracting and negative direction upon restoring position.
// The motion executes with a slow pull-out retraction motion, power-down, and a fast park.
// Restoring to the resume position follows these set motions in reverse: fast restore to
// pull-out position, power-up with a time-out, and plunge back to the original position at the
// slower pull-out rate.
// NOTE: Still a work-in-progress. Machine coordinates must be in all negative space and
// does not work with HOMING_FORCE_SET_ORIGIN enabled. Parking motion also moves only in
// positive direction.
// #define PARKING_ENABLE // Default disabled. Uncomment to enable
// Configure options for the parking motion, if enabled.
#define PARKING_AXIS Z_AXIS // Define which axis that performs the parking motion
#define PARKING_TARGET -5.0 // Parking axis target. In mm, as machine coordinate [-max_travel,0].
#define PARKING_RATE 500.0 // Parking fast rate after pull-out in mm/min.
#define PARKING_PULLOUT_RATE 100.0 // Pull-out/plunge slow feed rate in mm/min.
#define PARKING_PULLOUT_INCREMENT 5.0 // Spindle pull-out and plunge distance in mm. Incremental distance.
// Must be positive value or equal to zero.
// This option will automatically disable the laser during a feed hold by invoking a spindle stop
// override immediately after coming to a stop. However, this also means that the laser still may
// be reenabled by disabling the spindle stop override, if needed. This is purely a safety feature
// to ensure the laser doesn't inadvertently remain powered while at a stop and cause a fire.
#define DISABLE_LASER_DURING_HOLD // Default enabled. Comment to disable.
/* ---------------------------------------------------------------------------------------
OEM Single File Configuration Option
Instructions: Paste the cpu_map and default setting definitions below without an enclosing
#ifdef. Comment out the CPU_MAP_xxx and DEFAULT_xxx defines at the top of this file, and
the compiler will ignore the contents of defaults.h and cpu_map.h and use the definitions
below.
*/
// Paste CPU_MAP definitions here.
// Define serial port pins and interrupt vectors.
#define SERIAL_RX USART_RX_vect
#define SERIAL_UDRE USART_UDRE_vect
// Define step pulse output pins. NOTE: All step bit pins must be on the same port.
#define STEP_DDR LPC_GPIO2->FIODIR
#define STEP_PORT LPC_GPIO2->FIOPIN
#define X_STEP_BIT 0
#define Y_STEP_BIT 1
#define Z_STEP_BIT 2
#define STEP_MASK ((1<<X_STEP_BIT)|(1<<Y_STEP_BIT)|(1<<Z_STEP_BIT)) // All step bits
// Define step direction output pins. NOTE: All direction pins must be on the same port.
#define DIRECTION_DDR LPC_GPIO0->FIODIR
#define DIRECTION_PORT LPC_GPIO0->FIOPIN
#define X_DIRECTION_BIT 5
#define Y_DIRECTION_BIT 11
#define Z_DIRECTION_BIT 20
#define DIRECTION_MASK ((1<<X_DIRECTION_BIT)|(1<<Y_DIRECTION_BIT)|(1<<Z_DIRECTION_BIT)) // All direction bits
// Define stepper driver enable/disable output pin.
#define STEPPERS_DISABLE_DDR LPC_GPIO0->FIODIR
#define STEPPERS_DISABLE_PORT LPC_GPIO0->FIOPIN
#define X_DISABLE_BIT 4
#define Y_DISABLE_BIT 10
#define Z_DISABLE_BIT 19
#define STEPPERS_DISABLE_MASK ((1<<X_DISABLE_BIT)|(1<<Y_DISABLE_BIT)|(1<<Z_DISABLE_BIT))
// Define homing/hard limit switch input pins and limit interrupt vectors.
// NOTE: All limit bit pins must be on the same port, but not on a port with other input pins (CONTROL).
#define LIMIT_DDR LPC_GPIO0->FIODIR
#define LIMIT_PIN LPC_GPIO0->FIOPIN
#define LIMIT_PORT LPC_GPIO0->FIOPIN
#define X_LIMIT_BIT 25 // X-MIN=24, X-MAX=25
#define Y_LIMIT_BIT 27 // Y-MIN=26, Y-MAX=27
#define Z_LIMIT_BIT 29 // Z-MIN=28, Z-MAX=29
#define LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)) // All limit bits
// hard/soft limit not ported #define LIMIT_INT PCIE0 // Pin change interrupt enable pin
// hard/soft limit not ported #define LIMIT_INT_vect PCINT0_vect
// hard/soft limit not ported #define LIMIT_PCMSK PCMSK0 // Pin change interrupt register
// Define spindle enable and spindle direction output pins.
#define SPINDLE_ENABLE_DDR DDRB
#define SPINDLE_ENABLE_PORT PORTB
// Z Limit pin and spindle PWM/enable pin swapped to access hardware PWM on Pin 11.
#ifdef VARIABLE_SPINDLE
#ifdef USE_SPINDLE_DIR_AS_ENABLE_PIN
// If enabled, spindle direction pin now used as spindle enable, while PWM remains on D11.
#define SPINDLE_ENABLE_BIT 5 // Uno Digital Pin 13 (NOTE: D13 can't be pulled-high input due to LED.)
#else
#define SPINDLE_ENABLE_BIT 3 // Uno Digital Pin 11
#endif
#else
#define SPINDLE_ENABLE_BIT 4 // Uno Digital Pin 12
#endif
#ifndef USE_SPINDLE_DIR_AS_ENABLE_PIN
#define SPINDLE_DIRECTION_DDR DDRB
#define SPINDLE_DIRECTION_PORT PORTB
#define SPINDLE_DIRECTION_BIT 5 // Uno Digital Pin 13 (NOTE: D13 can't be pulled-high input due to LED.)
#endif
// Define flood and mist coolant enable output pins.
#define COOLANT_FLOOD_DDR DDRC
#define COOLANT_FLOOD_PORT PORTC
#define COOLANT_FLOOD_BIT 3 // Uno Analog Pin 3
#define COOLANT_MIST_DDR DDRC
#define COOLANT_MIST_PORT PORTC
#define COOLANT_MIST_BIT 4 // Uno Analog Pin 3
// Define user-control controls (cycle start, reset, feed hold) input pins.
// NOTE: All CONTROLs pins must be on the same port and not on a port with other input pins (limits).
#define CONTROL_DDR DDRC
#define CONTROL_PIN PINC
#define CONTROL_PORT PORTC
#define CONTROL_RESET_BIT 0 // Uno Analog Pin 0
#define CONTROL_FEED_HOLD_BIT 1 // Uno Analog Pin 1
#define CONTROL_CYCLE_START_BIT 2 // Uno Analog Pin 2
#define CONTROL_SAFETY_DOOR_BIT 1 // Uno Analog Pin 1 NOTE: Safety door is shared with feed hold. Enabled by config define.
#define CONTROL_INT PCIE1 // Pin change interrupt enable pin
#define CONTROL_INT_vect PCINT1_vect
#define CONTROL_PCMSK PCMSK1 // Pin change interrupt register
#define CONTROL_MASK ((1<<CONTROL_RESET_BIT)|(1<<CONTROL_FEED_HOLD_BIT)|(1<<CONTROL_CYCLE_START_BIT)|(1<<CONTROL_SAFETY_DOOR_BIT))
#define CONTROL_INVERT_MASK CONTROL_MASK // May be re-defined to only invert certain control pins.
// Define probe switch input pin.
#define PROBE_DDR DDRC
#define PROBE_PIN PINC
#define PROBE_PORT PORTC
#define PROBE_BIT 5 // Uno Analog Pin 5
#define PROBE_MASK (1<<PROBE_BIT)
// Variable spindle configuration below. Do not change unless you know what you are doing.
// NOTE: Only used when variable spindle is enabled.
#define SPINDLE_PWM_MAX_VALUE 255 // Don't change. 328p fast PWM mode fixes top value as 255.
#ifndef SPINDLE_PWM_MIN_VALUE
#define SPINDLE_PWM_MIN_VALUE 1 // Must be greater than zero.
#endif
#define SPINDLE_PWM_OFF_VALUE 0
#define SPINDLE_PWM_RANGE (SPINDLE_PWM_MAX_VALUE-SPINDLE_PWM_MIN_VALUE)
#define SPINDLE_TCCRA_REGISTER TCCR2A
#define SPINDLE_TCCRB_REGISTER TCCR2B
#define SPINDLE_OCR_REGISTER OCR2A
#define SPINDLE_COMB_BIT COM2A1
// Prescaled, 8-bit Fast PWM mode.
#define SPINDLE_TCCRA_INIT_MASK ((1<<WGM20) | (1<<WGM21)) // Configures fast PWM mode.
// #define SPINDLE_TCCRB_INIT_MASK (1<<CS20) // Disable prescaler -> 62.5kHz
// #define SPINDLE_TCCRB_INIT_MASK (1<<CS21) // 1/8 prescaler -> 7.8kHz (Used in v0.9)
// #define SPINDLE_TCCRB_INIT_MASK ((1<<CS21) | (1<<CS20)) // 1/32 prescaler -> 1.96kHz
#define SPINDLE_TCCRB_INIT_MASK (1<<CS22) // 1/64 prescaler -> 0.98kHz (J-tech laser)
// NOTE: On the 328p, these must be the same as the SPINDLE_ENABLE settings.
#define SPINDLE_PWM_DDR DDRB
#define SPINDLE_PWM_PORT PORTB
#define SPINDLE_PWM_BIT 3 // Uno Digital Pin 11
#define CURRENT_I2C Driver_I2C1 // I2C driver for current control. Comment out to disable.
#define CURRENT_MCP44XX_ADDR 0b0101100 // Address of MCP44XX
#define CURRENT_WIPERS {0, 1, 6, 7}; // Wiper registers (X, Y, Z, A)
#define CURRENT_FACTOR 113.33 // Convert amps to digipot value
// Paste default settings definitions here.
#define DEFAULT_X_STEPS_PER_MM 158.0
#define DEFAULT_Y_STEPS_PER_MM 158.0
#define DEFAULT_Z_STEPS_PER_MM 158.0
#define DEFAULT_X_MAX_RATE 30000 // mm/min
#define DEFAULT_Y_MAX_RATE 30000 // mm/min
#define DEFAULT_Z_MAX_RATE 500.0 // mm/min
#define DEFAULT_X_ACCELERATION (5000.0*60*60) // 5000*60*60 mm/min^2 = 5000 mm/sec^2
#define DEFAULT_Y_ACCELERATION (5000.0*60*60) // 5000*60*60 mm/min^2 = 5000 mm/sec^2
#define DEFAULT_Z_ACCELERATION (5000.0*60*60) // 5000*60*60 mm/min^2 = 5000 mm/sec^2
#define DEFAULT_X_CURRENT 0.4 // amps
#define DEFAULT_Y_CURRENT 1.5 // amps
#define DEFAULT_Z_CURRENT 0.0 // amps
#define DEFAULT_A_CURRENT 0.0 // amps
#define DEFAULT_X_MAX_TRAVEL 200.0 // mm
#define DEFAULT_Y_MAX_TRAVEL 200.0 // mm
#define DEFAULT_Z_MAX_TRAVEL 200.0 // mm
#define DEFAULT_SPINDLE_RPM_MAX 1000.0 // rpm
#define DEFAULT_SPINDLE_RPM_MIN 0.0 // rpm
#define DEFAULT_STEP_PULSE_MICROSECONDS 1
#define DEFAULT_STEPPING_INVERT_MASK 0
#define DEFAULT_DIRECTION_INVERT_MASK 0
#define DEFAULT_STEPPER_IDLE_LOCK_TIME 25 // msec (0-254, 255 keeps steppers enabled)
#define DEFAULT_STATUS_REPORT_MASK 1 // MPos enabled
#define DEFAULT_JUNCTION_DEVIATION 0.01 // mm
#define DEFAULT_ARC_TOLERANCE 0.002 // mm
#define DEFAULT_REPORT_INCHES 0 // false
#define DEFAULT_INVERT_ST_ENABLE 0 // false
#define DEFAULT_INVERT_LIMIT_PINS 0 // false
#define DEFAULT_SOFT_LIMIT_ENABLE 0 // false
#define DEFAULT_HARD_LIMIT_ENABLE 0 // false
#define DEFAULT_INVERT_PROBE_PIN 0 // false
#define DEFAULT_LASER_MODE 1 // true
#define DEFAULT_HOMING_ENABLE 0 // false
#define DEFAULT_HOMING_DIR_MASK 0 // move positive dir
#define DEFAULT_HOMING_FEED_RATE 25.0 // mm/min
#define DEFAULT_HOMING_SEEK_RATE 500.0 // mm/min
#define DEFAULT_HOMING_DEBOUNCE_DELAY 250 // msec (0-65k)
#define DEFAULT_HOMING_PULLOFF 1.0 // mm
#endif
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