From d4599fd8ede3547f5d8b13f094e856c09d20b2ed Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Tue, 13 Sep 2016 18:15:35 -0500
Subject: [PATCH] Comment patches to Configuration.h
---
Marlin/Configuration.h | 103 +++++++++++++-----
.../Cartesio/Configuration.h | 60 ++++++++--
.../Felix/Configuration.h | 62 ++++++++---
.../Felix/DUAL/Configuration.h | 62 ++++++++---
.../Hephestos/Configuration.h | 64 ++++++++---
.../Hephestos_2/Configuration.h | 64 ++++++++---
.../K8200/Configuration.h | 62 ++++++++---
.../K8400/Configuration.h | 64 ++++++++---
.../K8400/Dual-head/Configuration.h | 64 ++++++++---
.../RepRapWorld/Megatronics/Configuration.h | 64 ++++++++---
.../RigidBot/Configuration.h | 62 ++++++++---
.../SCARA/Configuration.h | 62 ++++++++---
.../TAZ4/Configuration.h | 64 ++++++++---
.../WITBOX/Configuration.h | 64 ++++++++---
.../adafruit/ST7565/Configuration.h | 64 ++++++++---
.../delta/biv2.5/Configuration.h | 62 ++++++++---
.../delta/generic/Configuration.h | 62 ++++++++---
.../delta/kossel_mini/Configuration.h | 62 ++++++++---
.../delta/kossel_pro/Configuration.h | 62 ++++++++---
.../delta/kossel_xl/Configuration.h | 56 ++++++++--
.../makibox/Configuration.h | 62 ++++++++---
.../tvrrug/Round2/Configuration.h | 64 ++++++++---
22 files changed, 1113 insertions(+), 302 deletions(-)
diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 7eaa3ea098..31aaa77a9f 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -105,15 +105,24 @@
//#define SHOW_CUSTOM_BOOTSCREEN
// @section machine
-// SERIAL_PORT selects which serial port should be used for communication with the host.
-// This allows the connection of wireless adapters (for instance) to non-default port pins.
-// Serial port 0 is still used by the Arduino bootloader regardless of this setting.
-// :[0,1,2,3,4,5,6,7]
+/**
+ * Select which serial port on the board will be used for communication with the host.
+ * This allows the connection of wireless adapters (for instance) to non-default port pins.
+ * Serial port 0 is always used by the Arduino bootloader regardless of this setting.
+ *
+ * :[0,1,2,3,4,5,6,7]
+ */
#define SERIAL_PORT 0
-// This determines the communication speed of the printer
-// :[2400,9600,19200,38400,57600,115200,250000]
#define BAUDRATE 250000
+/**
+ * This setting determines the communication speed of the printer.
+ *
+ * 250000 works in most cases, but you might try a lower speed if
+ * you commonly experience drop-outs during host printing.
+ *
+ * :[2400,9600,19200,38400,57600,115200,250000]
+ */
// Enable the Bluetooth serial interface on AT90USB devices
//#define BLUETOOTH
@@ -169,14 +178,22 @@
//#define HOTEND_OFFSET_X {0.0, 20.00} // (in mm) for each extruder, offset of the hotend on the X axis
//#define HOTEND_OFFSET_Y {0.0, 5.00} // (in mm) for each extruder, offset of the hotend on the Y axis
-//// The following define selects which power supply you have. Please choose the one that matches your setup
-// 1 = ATX
-// 2 = X-Box 360 203Watts (the blue wire connected to PS_ON and the red wire to VCC)
-// :{1:'ATX',2:'X-Box 360'}
-#define POWER_SUPPLY 1
+/**
+ * Select your power supply here. Use 0 if you haven't connected the PS_ON_PIN
+ *
+ * 0 = No Power Switch
+ * 1 = ATX
+ * 2 = X-Box 360 203Watts (the blue wire connected to PS_ON and the red wire to VCC)
+ *
+ * :{0:'No power switch',1:'ATX',2:'X-Box 360'}
+ */
+#define POWER_SUPPLY 0
-// Define this to have the electronics keep the power supply off on startup. If you don't know what this is leave it.
-//#define PS_DEFAULT_OFF
+#if POWER_SUPPLY > 0
+ // Enable this option to leave the PSU off at startup.
+ // Power to steppers and heaters will need to be turned on with M80.
+ //#define PS_DEFAULT_OFF
+#endif
// @section temperature
@@ -437,20 +454,56 @@
//=============================================================================
// @section motion
-#define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,4000,500} // default steps per unit for Ultimaker
-#define DEFAULT_MAX_FEEDRATE {300, 300, 5, 25} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {3000,3000,100,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
+#define DEFAULT_AXIS_STEPS_PER_UNIT { 80, 80, 4000, 500 }
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE { 300, 300, 5, 25 }
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION { 3000, 3000, 100, 10000 }
-#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 20.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.4 // (mm/sec)
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 20.0
+#define DEFAULT_ZJERK 0.4
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/Cartesio/Configuration.h b/Marlin/example_configurations/Cartesio/Configuration.h
index ee26b9b7ab..5b8f53d274 100644
--- a/Marlin/example_configurations/Cartesio/Configuration.h
+++ b/Marlin/example_configurations/Cartesio/Configuration.h
@@ -437,20 +437,56 @@
//=============================================================================
// @section motion
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
#define DEFAULT_AXIS_STEPS_PER_UNIT {71.128,71.128,640,152}
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
#define DEFAULT_MAX_FEEDRATE {200,200,20,20} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {1000,1000,100,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 500 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 10000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 1000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 10.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.4 // (mm/sec)
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {1000,1000,100,10000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 500 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 10000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 1000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 10.0
+#define DEFAULT_ZJERK 0.4
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/Felix/Configuration.h b/Marlin/example_configurations/Felix/Configuration.h
index 914f138a9f..951053e0c6 100644
--- a/Marlin/example_configurations/Felix/Configuration.h
+++ b/Marlin/example_configurations/Felix/Configuration.h
@@ -420,20 +420,56 @@
// @section motion
// default steps per unit for Felix 2.0/3.0: 0.00249mm x/y rounding error with 3mm pitch HTD belt and 14 tooth pulleys. 0 z error.
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
#define DEFAULT_AXIS_STEPS_PER_UNIT {76.190476, 76.190476, 1600, 164}
-#define DEFAULT_MAX_FEEDRATE {500, 500, 5, 25} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {5000,5000,100,80000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 1750 // X, Y, Z and E max acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 5000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 10.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.3 // (mm/sec)
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {500, 500, 5, 25}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {5000,5000,100,80000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 1750 // X, Y, Z and E max acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 5000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 10.0
+#define DEFAULT_ZJERK 0.3
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/Felix/DUAL/Configuration.h b/Marlin/example_configurations/Felix/DUAL/Configuration.h
index f1c5282dde..27a32a69b4 100644
--- a/Marlin/example_configurations/Felix/DUAL/Configuration.h
+++ b/Marlin/example_configurations/Felix/DUAL/Configuration.h
@@ -418,20 +418,56 @@
// @section motion
// default steps per unit for Felix 2.0/3.0: 0.00249mm x/y rounding error with 3mm pitch HTD belt and 14 tooth pulleys. 0 z error.
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
#define DEFAULT_AXIS_STEPS_PER_UNIT {76.190476, 76.190476, 1600, 164}
-#define DEFAULT_MAX_FEEDRATE {500, 500, 5, 25} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {5000,5000,100,80000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 1750 // X, Y, Z and E max acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 5000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 10.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.3 // (mm/sec)
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {500, 500, 5, 25}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {5000,5000,100,80000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 1750 // X, Y, Z and E max acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 5000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 10.0
+#define DEFAULT_ZJERK 0.3
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/Hephestos/Configuration.h b/Marlin/example_configurations/Hephestos/Configuration.h
index 448e0d66e4..9469ce4051 100644
--- a/Marlin/example_configurations/Hephestos/Configuration.h
+++ b/Marlin/example_configurations/Hephestos/Configuration.h
@@ -429,20 +429,56 @@
//=============================================================================
// @section motion
-#define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,4000,100.47095761381482} // default steps per unit for Ultimaker
-#define DEFAULT_MAX_FEEDRATE {200, 200, 3.3, 25} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {1100,1100,100,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 650 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 1000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 1000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 10.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.4 // (mm/sec)
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
+#define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,4000,100.47095761381482}
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {200, 200, 3.3, 25}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {1100,1100,100,10000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 650 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 1000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 1000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 10.0
+#define DEFAULT_ZJERK 0.4
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/Hephestos_2/Configuration.h b/Marlin/example_configurations/Hephestos_2/Configuration.h
index 38fe685073..a6c13a4ab0 100644
--- a/Marlin/example_configurations/Hephestos_2/Configuration.h
+++ b/Marlin/example_configurations/Hephestos_2/Configuration.h
@@ -431,20 +431,56 @@
//=============================================================================
// @section motion
-#define DEFAULT_AXIS_STEPS_PER_UNIT {160, 160, 8000, 210.02} // Steps per unit
-#define DEFAULT_MAX_FEEDRATE {250, 250, 2, 200} // mm/sec
-#define DEFAULT_MAX_ACCELERATION {1000, 1000, 20, 1000} // X, Y, Z, E max start speed for accelerated moves
-
-#define DEFAULT_ACCELERATION 1000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 1000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 20.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.4 // (mm/sec)
-#define DEFAULT_EJERK 2.0 // (mm/sec)
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
+#define DEFAULT_AXIS_STEPS_PER_UNIT {160, 160, 8000, 210.02}
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {250, 250, 2, 200}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {1000, 1000, 20, 1000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 1000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 1000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 20.0
+#define DEFAULT_ZJERK 0.4
+#define DEFAULT_EJERK 2.0
//===========================================================================
diff --git a/Marlin/example_configurations/K8200/Configuration.h b/Marlin/example_configurations/K8200/Configuration.h
index f59ae52292..1a0ddea1cb 100644
--- a/Marlin/example_configurations/K8200/Configuration.h
+++ b/Marlin/example_configurations/K8200/Configuration.h
@@ -454,20 +454,56 @@
//=============================================================================
// @section motion
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
#define DEFAULT_AXIS_STEPS_PER_UNIT {64.25,64.25,2560,600} // default steps per unit for K8200
-#define DEFAULT_MAX_FEEDRATE {500, 500, 5, 500} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {9000,9000,100,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 1000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 1000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 1000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 20.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.4 // (mm/sec)
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {500, 500, 5, 500}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {9000,9000,100,10000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 1000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 1000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 1000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 20.0
+#define DEFAULT_ZJERK 0.4
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/K8400/Configuration.h b/Marlin/example_configurations/K8400/Configuration.h
index 9bf1407d95..bf15b8dc57 100644
--- a/Marlin/example_configurations/K8400/Configuration.h
+++ b/Marlin/example_configurations/K8400/Configuration.h
@@ -437,20 +437,56 @@
//=============================================================================
// @section motion
-#define DEFAULT_AXIS_STEPS_PER_UNIT {134.74,134.74,4266.66,148.7} // default steps per unit for Ultimaker
-#define DEFAULT_MAX_FEEDRATE {160, 160, 10, 10000} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {9000,9000,100,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 6000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 6000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 10.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.5 // (mm/sec)
-#define DEFAULT_EJERK 20.0 // (mm/sec)
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
+#define DEFAULT_AXIS_STEPS_PER_UNIT {134.74,134.74,4266.66,148.7}
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {160, 160, 10, 10000}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {9000,9000,100,10000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 6000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 6000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 10.0
+#define DEFAULT_ZJERK 0.5
+#define DEFAULT_EJERK 20.0
//===========================================================================
diff --git a/Marlin/example_configurations/K8400/Dual-head/Configuration.h b/Marlin/example_configurations/K8400/Dual-head/Configuration.h
index 24014b6ee4..da52ed4091 100644
--- a/Marlin/example_configurations/K8400/Dual-head/Configuration.h
+++ b/Marlin/example_configurations/K8400/Dual-head/Configuration.h
@@ -437,20 +437,56 @@
//=============================================================================
// @section motion
-#define DEFAULT_AXIS_STEPS_PER_UNIT {134.74,134.74,4266.66,148.7} // default steps per unit for Ultimaker
-#define DEFAULT_MAX_FEEDRATE {160, 160, 10, 10000} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {9000,9000,100,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 6000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 6000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 10.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.5 // (mm/sec)
-#define DEFAULT_EJERK 20.0 // (mm/sec)
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
+#define DEFAULT_AXIS_STEPS_PER_UNIT {134.74,134.74,4266.66,148.7}
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {160, 160, 10, 10000}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {9000,9000,100,10000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 6000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 6000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 10.0
+#define DEFAULT_ZJERK 0.5
+#define DEFAULT_EJERK 20.0
//===========================================================================
diff --git a/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h b/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
index c5f7c7f1b8..b7991bd6bc 100644
--- a/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
+++ b/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
@@ -437,20 +437,56 @@
//=============================================================================
// @section motion
-#define DEFAULT_AXIS_STEPS_PER_UNIT {78.7402*2,78.7402*2,5120.00,760*1*1.5} // default steps per unit for Ultimaker
-#define DEFAULT_MAX_FEEDRATE {300, 300, 5, 25} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {3000,3000,100,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 20.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.4 // (mm/sec)
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
+#define DEFAULT_AXIS_STEPS_PER_UNIT {78.7402*2,78.7402*2,5120.00,760*1*1.5}
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {300, 300, 5, 25}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {3000,3000,100,10000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 20.0
+#define DEFAULT_ZJERK 0.4
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/RigidBot/Configuration.h b/Marlin/example_configurations/RigidBot/Configuration.h
index 362e774a05..b56c85e16e 100644
--- a/Marlin/example_configurations/RigidBot/Configuration.h
+++ b/Marlin/example_configurations/RigidBot/Configuration.h
@@ -434,21 +434,57 @@
//=============================================================================
// @section motion
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
#define DEFAULT_AXIS_STEPS_PER_UNIT {44.3090, 22.1545, 1600, 53.5} // default steps per unit for RigidBot with standard hardware
// default steps for 16-tooth pulleys {100.06,50.06,1600,76}, HPX2-MAX E=504, RigidBot E=53.5, Peter Stoneham's=76
-#define DEFAULT_MAX_FEEDRATE {500, 500, 5, 25} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {800, 800, 100, 10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 600 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 1000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 8.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.4 // (mm/sec)
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {500, 500, 5, 25}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {800, 800, 100, 10000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 600 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 1000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 8.0
+#define DEFAULT_ZJERK 0.4
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/SCARA/Configuration.h b/Marlin/example_configurations/SCARA/Configuration.h
index 54cc0d44a7..538c810c76 100644
--- a/Marlin/example_configurations/SCARA/Configuration.h
+++ b/Marlin/example_configurations/SCARA/Configuration.h
@@ -447,20 +447,56 @@
//=============================================================================
// @section motion
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
#define DEFAULT_AXIS_STEPS_PER_UNIT {103.69,106.65,200/1.25,1000} // default steps per unit for SCARA
-#define DEFAULT_MAX_FEEDRATE {300, 300, 30, 25} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {300,300,20,1000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 400 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 2000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 400 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 5.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.4 // (mm/sec)
-#define DEFAULT_EJERK 3.0 // (mm/sec)
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {300, 300, 30, 25}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {300,300,20,1000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 400 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 2000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 400 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 5.0
+#define DEFAULT_ZJERK 0.4
+#define DEFAULT_EJERK 3.0
//===========================================================================
diff --git a/Marlin/example_configurations/TAZ4/Configuration.h b/Marlin/example_configurations/TAZ4/Configuration.h
index 105acbd6de..640ccd56a1 100644
--- a/Marlin/example_configurations/TAZ4/Configuration.h
+++ b/Marlin/example_configurations/TAZ4/Configuration.h
@@ -458,20 +458,56 @@
//=============================================================================
// @section motion
-#define DEFAULT_AXIS_STEPS_PER_UNIT {100.5,100.5,400,850} // default steps per unit for Ultimaker
-#define DEFAULT_MAX_FEEDRATE {800, 800, 8, 50} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {9000,9000,100,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 500 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 8.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.4 // (mm/sec)
-#define DEFAULT_EJERK 10.0 // (mm/sec)
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
+#define DEFAULT_AXIS_STEPS_PER_UNIT {100.5,100.5,400,850}
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {800, 800, 8, 50}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {9000,9000,100,10000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 500 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 8.0
+#define DEFAULT_ZJERK 0.4
+#define DEFAULT_EJERK 10.0
//===========================================================================
diff --git a/Marlin/example_configurations/WITBOX/Configuration.h b/Marlin/example_configurations/WITBOX/Configuration.h
index 821a77d69c..cc1a2c66db 100644
--- a/Marlin/example_configurations/WITBOX/Configuration.h
+++ b/Marlin/example_configurations/WITBOX/Configuration.h
@@ -429,20 +429,56 @@
//=============================================================================
// @section motion
-#define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,600.0*8/3,102.073} // default steps per unit for Ultimaker
-#define DEFAULT_MAX_FEEDRATE {350, 350, 7.2, 80} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {1000,1000,10,1000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 10.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.4 // (mm/sec)
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
+#define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,600.0*8/3,102.073}
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {350, 350, 7.2, 80}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {1000,1000,10,1000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 10.0
+#define DEFAULT_ZJERK 0.4
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/adafruit/ST7565/Configuration.h b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
index f0812555a3..f5b732059f 100644
--- a/Marlin/example_configurations/adafruit/ST7565/Configuration.h
+++ b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
@@ -437,20 +437,56 @@
//=============================================================================
// @section motion
-#define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,4000,500} // default steps per unit for Ultimaker
-#define DEFAULT_MAX_FEEDRATE {300, 300, 5, 25} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {3000,3000,100,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 20.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.4 // (mm/sec)
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
+#define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,4000,500}
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {300, 300, 5, 25}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {3000,3000,100,10000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 20.0
+#define DEFAULT_ZJERK 0.4
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/delta/biv2.5/Configuration.h b/Marlin/example_configurations/delta/biv2.5/Configuration.h
index ef97423fab..97f028ea37 100644
--- a/Marlin/example_configurations/delta/biv2.5/Configuration.h
+++ b/Marlin/example_configurations/delta/biv2.5/Configuration.h
@@ -480,20 +480,56 @@
// @section motion
// delta speeds must be the same on xyz
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
#define DEFAULT_AXIS_STEPS_PER_UNIT {72.9, 72.9, 72.9, 291} // default steps per unit for BI v2.5 (cable drive)
-#define DEFAULT_MAX_FEEDRATE {500, 500, 500, 150} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {9000,9000,9000,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 15.0 // (mm/sec)
-#define DEFAULT_ZJERK 15.0 // (mm/sec) Must be same as XY for delta
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {500, 500, 500, 150}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {9000,9000,9000,10000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 15.0
+#define DEFAULT_ZJERK 15.0 // Must be same as XY for delta
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/delta/generic/Configuration.h b/Marlin/example_configurations/delta/generic/Configuration.h
index 168c14dd0a..5473947b88 100644
--- a/Marlin/example_configurations/delta/generic/Configuration.h
+++ b/Marlin/example_configurations/delta/generic/Configuration.h
@@ -480,20 +480,56 @@
// @section motion
// delta speeds must be the same on xyz
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
#define DEFAULT_AXIS_STEPS_PER_UNIT {80, 80, 80, 760*1.1} // default steps per unit for Kossel (GT2, 20 tooth)
-#define DEFAULT_MAX_FEEDRATE {500, 500, 500, 25} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {9000,9000,9000,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 20.0 // (mm/sec)
-#define DEFAULT_ZJERK 20.0 // (mm/sec) Must be same as XY for delta
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {500, 500, 500, 25}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {9000,9000,9000,10000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 20.0
+#define DEFAULT_ZJERK 20.0 // Must be same as XY for delta
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/delta/kossel_mini/Configuration.h b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
index ee6f770b54..37f299d1dc 100644
--- a/Marlin/example_configurations/delta/kossel_mini/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
@@ -480,20 +480,56 @@
// @section motion
// delta speeds must be the same on xyz
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
#define DEFAULT_AXIS_STEPS_PER_UNIT {80, 80, 80, 760*1.1} // default steps per unit for Kossel (GT2, 20 tooth)
-#define DEFAULT_MAX_FEEDRATE {500, 500, 500, 25} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {9000,9000,9000,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 20.0 // (mm/sec)
-#define DEFAULT_ZJERK 20.0 // (mm/sec) Must be same as XY for delta
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {500, 500, 500, 25}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {9000,9000,9000,10000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 20.0
+#define DEFAULT_ZJERK 20.0 // Must be same as XY for delta
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/delta/kossel_pro/Configuration.h b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
index 2f32c839b1..44c6651962 100644
--- a/Marlin/example_configurations/delta/kossel_pro/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
@@ -476,20 +476,56 @@
// delta speeds must be the same on xyz
#define XYZ_STEPS ((XYZ_FULL_STEPS_PER_ROTATION) * (XYZ_MICROSTEPS) / double(XYZ_BELT_PITCH) / double(XYZ_PULLEY_TEETH))
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
#define DEFAULT_AXIS_STEPS_PER_UNIT {XYZ_STEPS, XYZ_STEPS, XYZ_STEPS, 184.8}
-#define DEFAULT_MAX_FEEDRATE {200, 200, 200, 200} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {9000,9000,9000,9000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 20.0 // (mm/sec)
-#define DEFAULT_ZJERK 20.0 // (mm/sec) Must be same as XY for delta
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {200, 200, 200, 200}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {9000,9000,9000,9000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 20.0
+#define DEFAULT_ZJERK 20.0 // Must be same as XY for delta
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/delta/kossel_xl/Configuration.h b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
index 9241d97ba4..6f1f5b3b54 100644
--- a/Marlin/example_configurations/delta/kossel_xl/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
@@ -486,20 +486,56 @@
// delta speeds must be the same on xyz
#define XYZ_STEPS (XYZ_FULL_STEPS_PER_ROTATION * XYZ_MICROSTEPS / double(XYZ_BELT_PITCH) / double(XYZ_PULLEY_TEETH))
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
#define DEFAULT_AXIS_STEPS_PER_UNIT {XYZ_STEPS, XYZ_STEPS, XYZ_STEPS, 158} // default steps per unit for PowerWasp
-#define DEFAULT_MAX_FEEDRATE {200, 200, 200, 25} // (mm/sec)
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {200, 200, 200, 25}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
#define DEFAULT_MAX_ACCELERATION {9000,9000,9000,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for skeinforge 40+, for older versions raise them a lot.
-#define DEFAULT_ACCELERATION 2000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 2000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 20.0 // (mm/sec)
-#define DEFAULT_ZJERK 20.0 // (mm/sec)
-#define DEFAULT_EJERK 20.0 // (mm/sec)
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 20.0
+#define DEFAULT_ZJERK 20.0
+#define DEFAULT_EJERK 20.0
//===========================================================================
diff --git a/Marlin/example_configurations/makibox/Configuration.h b/Marlin/example_configurations/makibox/Configuration.h
index 47ce12becc..c8c5bd53ba 100644
--- a/Marlin/example_configurations/makibox/Configuration.h
+++ b/Marlin/example_configurations/makibox/Configuration.h
@@ -440,20 +440,56 @@
//=============================================================================
// @section motion
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
#define DEFAULT_AXIS_STEPS_PER_UNIT {400, 400, 400, 163} // default steps per unit for ***** MakiBox A6 *****
-#define DEFAULT_MAX_FEEDRATE {60, 60, 20, 45} // (mm/sec)
-#define DEFAULT_MAX_ACCELERATION {2000,2000,30,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
-
-#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 20.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.4 // (mm/sec)
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {60, 60, 20, 45}
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {2000,2000,30,10000}
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 3000 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 3000 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 20.0
+#define DEFAULT_ZJERK 0.4
+#define DEFAULT_EJERK 5.0
//===========================================================================
diff --git a/Marlin/example_configurations/tvrrug/Round2/Configuration.h b/Marlin/example_configurations/tvrrug/Round2/Configuration.h
index dc14174d7b..4f868fa6b2 100644
--- a/Marlin/example_configurations/tvrrug/Round2/Configuration.h
+++ b/Marlin/example_configurations/tvrrug/Round2/Configuration.h
@@ -427,24 +427,62 @@
//=============================================================================
// @section motion
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ */
+#define DEFAULT_AXIS_STEPS_PER_UNIT {71.1, 71.1, 2560, 600} // David TVRR
+
//#define DEFAULT_AXIS_STEPS_PER_UNIT {79.87, 79.87, 2566, 563,78} // Al's TVRR
//#define DEFAULT_AXIS_STEPS_PER_UNIT {81.26, 80.01, 2561, 599.14} // Michel TVRR old
//#define DEFAULT_AXIS_STEPS_PER_UNIT {71.1, 71.1, 2560, 739.65} // Michel TVRR
-#define DEFAULT_AXIS_STEPS_PER_UNIT {71.1, 71.1, 2560, 600} // David TVRR
-#define DEFAULT_MAX_FEEDRATE {500, 500, 5, 45} // (mm/sec) David TVRR
-#define DEFAULT_MAX_ACCELERATION {9000,9000,100,10000} // X, Y, Z, E maximum start speed for accelerated moves. E default values are good for Skeinforge 40+, for older versions raise them a lot.
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ */
+#define DEFAULT_MAX_FEEDRATE {500, 500, 5, 45} // David TVRR
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * Override with M201
+ *
+ * Maximum start speed for accelerated moves: { X, Y, Z, E }
+ */
+#define DEFAULT_MAX_ACCELERATION {9000,9000,100,10000}
/* MICHEL: This has an impact on the "ripples" in print walls */
-#define DEFAULT_ACCELERATION 500 // X, Y, Z and E acceleration in mm/s^2 for printing moves
-#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration in mm/s^2 for retracts
-#define DEFAULT_TRAVEL_ACCELERATION 500 // X, Y, Z acceleration in mm/s^2 for travel (non printing) moves
-
-// "Jerk" specifies the minimum speed change that requires acceleration.
-// When changing speed and direction, if the difference is less than the
-// value set here, it may happen instantaneously.
-#define DEFAULT_XYJERK 20.0 // (mm/sec)
-#define DEFAULT_ZJERK 0.4 // (mm/sec)
-#define DEFAULT_EJERK 5.0 // (mm/sec)
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ * M204 P Acceleration
+ * M204 R Retract Acceleration
+ * M204 T Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION 500 // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION 3000 // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION 500 // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Defult Jerk (mm/s)
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XYJERK 20.0
+#define DEFAULT_ZJERK 0.4
+#define DEFAULT_EJERK 5.0
//===========================================================================
--
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