Example Configuration for K8200 back in sync

example_configurations\K8200\Configuration.h:
* merge upstream changes from default Configuration.h manually
* add some machine specific comments

Marlin/example_configurations/K8200/Configuration.h

 //===========================================================================
 //============================= SCARA Printer ===============================
 //===========================================================================
-// For a Delta printer replace the configuration files with the files in the
+// For a Scara printer replace the configuration files with the files in the
 // example_configurations/SCARA directory.
 //
 
+// @section info
+
 // User-specified version info of this build to display in [Pronterface, etc] terminal window during
 // startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
 // build by the user have been successfully uploaded into firmware.
 #define STRING_SPLASH_LINE1 "v" STRING_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_VERSION_CONFIG_H // will be shown during bootup in line2
 
+// @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]
 #define SERIAL_PORT 0
 
 // This determines the communication speed of the printer
+// :[2400,9600,19200,38400,57600,115200,250000]
 #define BAUDRATE 250000
 
 // This enables the serial port associated to the Bluetooth interface
 // #define MACHINE_UUID "00000000-0000-0000-0000-000000000000"
 
 // This defines the number of extruders
+// :[1,2,3,4]
 #define EXTRUDERS 1
 
+// Offset of the extruders (uncomment if using more than one and relying on firmware to position when changing).
+// The offset has to be X=0, Y=0 for the extruder 0 hotend (default extruder).
+// For the other hotends it is their distance from the extruder 0 hotend.
+//#define EXTRUDER_OFFSET_X {0.0, 20.00} // (in mm) for each extruder, offset of the hotend on the X axis
+//#define EXTRUDER_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
 
 // 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
 
+// @section temperature
+
 //===========================================================================
 //============================= Thermal Settings ============================
 //===========================================================================
 //    #define  DEFAULT_bedKi 1.41
 //    #define  DEFAULT_bedKd 1675.16
 
-//Vellemann K8200 PCB heatbed with standard PCU - calculated with PID Autotune and tested
+//Vellemann K8200 PCB heatbed with standard PCU at 60 degreesC - calculated with PID Autotune and tested
 //from pidautotune
    #define  DEFAULT_bedKp 341.88
    #define  DEFAULT_bedKi 25.32
    // FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
 #endif // PIDTEMPBED
 
+// @section extruder
 
 //this prevents dangerous Extruder moves, i.e. if the temperature is under the limit
 //can be software-disabled for whatever purposes by
 //============================= Mechanical Settings =========================
 //===========================================================================
 
+// @section machine
+
 // Uncomment this option to enable CoreXY kinematics
 // #define COREXY
 
 // Enable this option for Toshiba steppers
 // #define CONFIG_STEPPERS_TOSHIBA
 
+// @section homing
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
   #define ENDSTOPPULLUP_XMIN
   #define ENDSTOPPULLUP_YMIN
   #define ENDSTOPPULLUP_ZMIN
+  // #define ENDSTOPPULLUP_ZPROBE
 #endif
 
 // Mechanical endstop with COM to ground and NC to Signal uses "false" here (most common setup).
 #define DISABLE_MAX_ENDSTOPS
 //#define DISABLE_MIN_ENDSTOPS
 
+// @section machine
+// If you want to enable the Z Probe pin, but disable its use, uncomment the line below.
+// This only affects a Z Probe Endstop if you have separate Z min endstop as well and have
+// activated Z_PROBE_ENDSTOP below. If you are using the Z Min endstop on your Z Probe,
+// this has no effect.
+//#define DISABLE_Z_PROBE_ENDSTOP
+
 // For Inverting Stepper Enable Pins (Active Low) use 0, Non Inverting (Active High) use 1
+// :{0:'Low',1:'High'}
 #define X_ENABLE_ON 0
 #define Y_ENABLE_ON 0
 #define Z_ENABLE_ON 0
 #define DISABLE_X false
 #define DISABLE_Y false
 #define DISABLE_Z true
+
+// @section extruder
+
 #define DISABLE_E false // For all extruders
 #define DISABLE_INACTIVE_EXTRUDER true //disable only inactive extruders and keep active extruder enabled
 
+// @section machine
+
 // Invert the stepper direction. Change (or reverse the motor connector) if an axis goes the wrong way.
 #define INVERT_X_DIR false
 #define INVERT_Y_DIR false
 #define INVERT_Z_DIR false
-#define INVERT_E0_DIR true
+
+// @section extruder
+
+// For direct drive extruder v9 set to true, for geared extruder set to false.
+#define INVERT_E0_DIR true // K8200: true for geared default extruder!
 #define INVERT_E1_DIR true
 #define INVERT_E2_DIR true
 #define INVERT_E3_DIR true
 
+// @section homing
+
 // ENDSTOP SETTINGS:
 // Sets direction of endstops when homing; 1=MAX, -1=MIN
+// :[-1,1]
 #define X_HOME_DIR -1
 #define Y_HOME_DIR -1
 #define Z_HOME_DIR -1
 #define min_software_endstops true // If true, axis won't move to coordinates less than HOME_POS.
 #define max_software_endstops true  // If true, axis won't move to coordinates greater than the defined lengths below.
 
+// @section machine
+
 // Travel limits after homing (units are in mm)
 #define X_MIN_POS 0
 #define Y_MIN_POS 0
 //#define ENDSTOPPULLUP_FIL_RUNOUT // Uncomment to use internal pullup for filament runout pins if the sensor is defined.
 
 //===========================================================================
-//============================ Manual Bed Leveling ==========================
+//============================ Mesh Bed Leveling ============================
 //===========================================================================
 
 // #define MANUAL_BED_LEVELING  // Add display menu option for bed leveling
 // #define MESH_BED_LEVELING    // Enable mesh bed leveling
 
 #ifdef MANUAL_BED_LEVELING
-  #define MBL_Z_STEP 0.025
+  #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis
 #endif  // MANUAL_BED_LEVELING
 
 #ifdef MESH_BED_LEVELING
 //============================= Bed Auto Leveling ===========================
 //===========================================================================
 
+// @section bedlevel
+
 //#define ENABLE_AUTO_BED_LEVELING // Delete the comment to enable (remove // at the start of the line)
 #define Z_PROBE_REPEATABILITY_TEST  // If not commented out, Z-Probe Repeatability test will be included if Auto Bed Leveling is Enabled.
 
 #endif // ENABLE_AUTO_BED_LEVELING
 
 
+// @section homing
+
 // The position of the homing switches
 //#define MANUAL_HOME_POSITIONS  // If defined, MANUAL_*_HOME_POS below will be used
 //#define BED_CENTER_AT_0_0  // If defined, the center of the bed is at (X=0, Y=0)
   //#define MANUAL_Z_HOME_POS 402 // For delta: Distance between nozzle and print surface after homing.
 #endif
 
+// @section movement
+
 /**
  * MOVEMENT SETTINGS
  */
 #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
 
-
-// Offset of the extruders (uncomment if using more than one and relying on firmware to position when changing).
-// The offset has to be X=0, Y=0 for the extruder 0 hotend (default extruder).
-// For the other hotends it is their distance from the extruder 0 hotend.
-// #define EXTRUDER_OFFSET_X {0.0, 20.00} // (in mm) for each extruder, offset of the hotend on the X axis
-// #define EXTRUDER_OFFSET_Y {0.0, 5.00}  // (in mm) for each extruder, offset of the hotend on the Y axis
-
 // The speed change that does not require acceleration (i.e. the software might assume it can be done instantaneously)
 #define DEFAULT_XYJERK                20.0    // (mm/sec)
 #define DEFAULT_ZJERK                 0.4     // (mm/sec)
 //============================= Additional Features ===========================
 //=============================================================================
 
+// @section more
+
 // Custom M code points
 #define CUSTOM_M_CODES
 #ifdef CUSTOM_M_CODES
   #endif
 #endif
 
+// @section extras
 
 // EEPROM
 // The microcontroller can store settings in the EEPROM, e.g. max velocity...
   #define EEPROM_CHITCHAT // please keep turned on if you can.
 #endif
 
+
+// @section temperature
+
 // Preheat Constants
 #define PLA_PREHEAT_HOTEND_TEMP 190
-#define PLA_PREHEAT_HPB_TEMP 50
+#define PLA_PREHEAT_HPB_TEMP 50 // K8200: set back to 70 if you have an upgraded heatbed power supply
 #define PLA_PREHEAT_FAN_SPEED 0   // Insert Value between 0 and 255
 
 #define ABS_PREHEAT_HOTEND_TEMP 240
-#define ABS_PREHEAT_HPB_TEMP 60
+#define ABS_PREHEAT_HPB_TEMP 60 // K8200: set back to 110 if you have an upgraded heatbed power supply
 #define ABS_PREHEAT_FAN_SPEED 0   // Insert Value between 0 and 255
 
 //==============================LCD and SD support=============================
+// @section lcd
 
 // Define your display language below. Replace (en) with your language code and uncomment.
 // en, pl, fr, de, es, ru, it, pt, pt-br, fi, an, nl, ca, eu, kana, kana_utf8, test
 // See also language.h
-//#define LANGUAGE_INCLUDE GENERATE_LANGUAGE_INCLUDE(en)
+#define LANGUAGE_INCLUDE GENERATE_LANGUAGE_INCLUDE(en)
 
 // Choose ONE of these 3 charsets. This has to match your hardware. Ignored for full graphic display.
 // To find out what type you have - compile with (test) - upload - click to get the menu. You'll see two typical lines from the upper half of the charset.
 // See also documentation/LCDLanguageFont.md
-  #define DISPLAY_CHARSET_HD44780_JAPAN        // this is the most common hardware
+  #define DISPLAY_CHARSET_HD44780_JAPAN        // K8200: for Display VM8201 // this is the most common hardware
   //#define DISPLAY_CHARSET_HD44780_WESTERN
   //#define DISPLAY_CHARSET_HD44780_CYRILLIC
 
 //#define SD_CHECK_AND_RETRY // Use CRC checks and retries on the SD communication
 //#define ENCODER_PULSES_PER_STEP 1 // Increase if you have a high resolution encoder
 //#define ENCODER_STEPS_PER_MENU_ITEM 5 // Set according to ENCODER_PULSES_PER_STEP or your liking
-#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
+#define ULTIMAKERCONTROLLER // K8200: for Display VM8201 // as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000	// this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 
 //#define SAV_3DLCD
 
+// @section extras
+
 // Increase the FAN pwm frequency. Removes the PWM noise but increases heating in the FET/Arduino
 //#define FAST_PWM_FAN
 
 // Data from: http://www.doc-diy.net/photo/rc-1_hacked/
 // #define PHOTOGRAPH_PIN     23
 
-// SF send wrong arc g-codes when using Arc Point as fillet procedure
+// SkeinForge sends the wrong arc g-codes when using Arc Point as fillet procedure
 //#define SF_ARC_FIX
 
 // Support for the BariCUDA Paste Extruder.
 #define MAX_MEASUREMENT_DELAY			20  //delay buffer size in bytes (1 byte = 1cm)- limits maximum measurement delay allowable (must be larger than MEASUREMENT_DELAY_CM  and lower number saves RAM)
 
 //defines used in the code
-#define DEFAULT_MEASURED_FILAMENT_DIA  DEFAULT_NOMINAL_FILAMENT_DIA  //set measured to nominal initially 
+#define DEFAULT_MEASURED_FILAMENT_DIA  DEFAULT_NOMINAL_FILAMENT_DIA  //set measured to nominal initially
 
 //When using an LCD, uncomment the line below to display the Filament sensor data on the last line instead of status.  Status will appear for 5 sec.
 //#define FILAMENT_LCD_DISPLAY