K8200: sample config back in sync

* Configuration.h:
  * updated header comment
  * new UUID feature used
  * sync to default config
  * typos fixed
  * changes better documented
  * reflect change in SDSUPPORT feature
* Configuration_adv.h
  * updated header comment
  * thermal protection tuned to work with K8200
  * homing tuned
  * sync to default config
  * typos fixed
  * changes better documented
  * reflect change in LCD features
  * use long filenames
  * use Watchdog
  * use Babystepping
  * use Auto Filament Change

Marlin/example_configurations/K8200/Configuration.h

-// Example configuration file for Vellemann K8200
+// Sample configuration file for Vellemann K8200
 // tested on K8200 with VM8201 (Display)
-// and Arduino 1.6.1 (Win) by @CONSULitAS, 2015-04-14
-// https://github.com/CONSULitAS/Marlin-K8200/archive/K8200_stable_2015-04-14.zip
+// and Arduino 1.6.8 (Mac) by @CONSULitAS, 2016-02-21
+// https://github.com/CONSULitAS/Marlin-K8200/archive/K8200_stable_2016-02-21.zip
 
 #ifndef CONFIGURATION_H
 #define CONFIGURATION_H
 // 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_CONFIG_H_AUTHOR "(K8200, CONSULitAS)" // Who made the changes.
+#define STRING_CONFIG_H_AUTHOR "(K8200, @CONSULitAS)" // Who made the changes.
 #define SHOW_BOOTSCREEN
 #define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // Optional custom name for your RepStrap or other custom machine
 // Displayed in the LCD "Ready" message
-//#define CUSTOM_MACHINE_NAME "3D Printer"
+#define CUSTOM_MACHINE_NAME "K8200"
 
 // Define this to set a unique identifier for this printer, (Used by some programs to differentiate between machines)
 // You can use an online service to generate a random UUID. (eg http://www.uuidgenerator.net/version4)
-//#define MACHINE_UUID "00000000-0000-0000-0000-000000000000"
+#define MACHINE_UUID "2b7dea3b-844e-4ab1-aa96-bb6406607d6e" // K8200 standard config with VM8201 (Display)
 
 // This defines the number of extruders
 // :[1,2,3,4]
   #define PID_INTEGRAL_DRIVE_MAX PID_MAX  //limit for the integral term
   #define K1 0.95 //smoothing factor within the PID
 
+  // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
+  // Ultimaker
+  //#define  DEFAULT_Kp 22.2
+  //#define  DEFAULT_Ki 1.08
+  //#define  DEFAULT_Kd 114
+
+  // MakerGear
+  //#define  DEFAULT_Kp 7.0
+  //#define  DEFAULT_Ki 0.1
+  //#define  DEFAULT_Kd 12
+
+  // Mendel Parts V9 on 12V
+  //#define  DEFAULT_Kp 63.0
+  //#define  DEFAULT_Ki 2.25
+  //#define  DEFAULT_Kd 440
+
   // Vellemann K8200 Extruder - calculated with PID Autotune and tested
   #define  DEFAULT_Kp 24.29
   #define  DEFAULT_Ki 1.58
   #define  DEFAULT_Kd 93.51
-
 #endif // PIDTEMP
 
 //===========================================================================
 // If your configuration is significantly different than this and you don't understand the issues involved, you probably
 // shouldn't use bed PID until someone else verifies your hardware works.
 // If this is enabled, find your own PID constants below.
-//#define PIDTEMPBED
+#define PIDTEMPBED
 
 //#define BED_LIMIT_SWITCHING
 
 
   #define PID_BED_INTEGRAL_DRIVE_MAX MAX_BED_POWER //limit for the integral term
 
-  //Vellemann K8200 PCB heatbed with standard PCU at 60 degreesC - calculated with PID Autotune and tested
+  //120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
+  //from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)
+  //#define  DEFAULT_bedKp 10.00
+  //#define  DEFAULT_bedKi .023
+  //#define  DEFAULT_bedKd 305.4
+
+  //120v 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
   //from pidautotune
+  //#define  DEFAULT_bedKp 97.1
+  //#define  DEFAULT_bedKi 1.41
+  //#define  DEFAULT_bedKd 1675.16
+
+  // FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
+
+  // 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
   #define  DEFAULT_bedKd 1153.89
-
-  // FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
 #endif // PIDTEMPBED
 
 // @section extruder
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 #if DISABLED(ENDSTOPPULLUPS)
-  // fine endstop settings: Individual pullups. will be ignored if ENDSTOPPULLUPS is defined
+  // define endstop settings: Individual pullups. will be ignored if ENDSTOPPULLUPS is defined
   //#define ENDSTOPPULLUP_XMAX
   //#define ENDSTOPPULLUP_YMAX
   //#define ENDSTOPPULLUP_ZMAX
 // WARNING: When motors turn off there is a chance of losing position accuracy!
 #define DISABLE_X false
 #define DISABLE_Y false
-#define DISABLE_Z true
+#define DISABLE_Z false // not for K8200 -> looses Steps
 
 // @section extruder
 
 
 // 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_Y_DIR false // was true -> why for K8200?
 #define INVERT_Z_DIR false
 
 // @section extruder
     #define FRONT_PROBE_BED_POSITION 20
     #define BACK_PROBE_BED_POSITION 170
 
-    #define MIN_PROBE_EDGE 10 // The Z probe square sides can be no smaller than this.
+    #define MIN_PROBE_EDGE 10 // The Z probe minimum square sides can be no smaller than this.
 
     // Set the number of grid points per dimension.
     // You probably don't need more than 3 (squared=9).
   //#define Z_PROBE_SLED // Turn on if you have a Z probe mounted on a sled like those designed by Charles Bell.
   //#define SLED_DOCKING_OFFSET 5 // The extra distance the X axis must travel to pickup the sled. 0 should be fine but you can push it further if you'd like.
 
-  // If you have enabled the bed auto leveling and are using the same Z probe for Z homing,
-  // it is highly recommended you let this Z_SAFE_HOMING enabled!!!
+
+  //If you have enabled the Bed Auto Leveling and are using the same Z Probe for Z Homing,
+  //it is highly recommended you let this Z_SAFE_HOMING enabled!!!
 
   #define Z_SAFE_HOMING   // This feature is meant to avoid Z homing with Z probe outside the bed area.
                           // When defined, it will:
 #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_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
 
 // The speed change that does not require acceleration (i.e. the software might assume it can be done instantaneously)
 
 //#define ULTRA_LCD  //general LCD support, also 16x2
 //#define DOGLCD  // Support for SPI LCD 128x64 (Controller ST7565R graphic Display Family)
-//#define SDSUPPORT // Enable SD Card Support in Hardware Console
+
+#define SDSUPPORT // Enable SD Card Support in Hardware Console
                     // Changed behaviour! If you need SDSUPPORT uncomment it!
 //#define SPI_SPEED SPI_HALF_SPEED // (also SPI_QUARTER_SPEED, SPI_EIGHTH_SPEED) Use slower SD transfer mode (not normally needed - uncomment if you're getting volume init error)
 //#define SD_CHECK_AND_RETRY // Use CRC checks and retries on the SD communication

Marlin/example_configurations/K8200/Configuration_adv.h

+// Sample configuration file for Vellemann K8200
+// tested on K8200 with VM8201 (Display)
+// and Arduino 1.6.8 (Mac) by @CONSULitAS, 2016-02-21
+// https://github.com/CONSULitAS/Marlin-K8200/archive/K8200_stable_2016-02-21.zip
+
 #ifndef CONFIGURATION_ADV_H
 #define CONFIGURATION_ADV_H
 
  * Thermal Protection parameters
  */
 #if ENABLED(THERMAL_PROTECTION_HOTENDS)
-  #define THERMAL_PROTECTION_PERIOD 40        // Seconds
-  #define THERMAL_PROTECTION_HYSTERESIS 4     // Degrees Celsius
+  #define THERMAL_PROTECTION_PERIOD 60        // Seconds
+  #define THERMAL_PROTECTION_HYSTERESIS 8     // Degrees Celsius
 
   /**
    * Whenever an M104 or M109 increases the target temperature the firmware will wait for the
    * degrees, the machine is halted, requiring a hard reset. This test restarts with any M104/M109,
    * but only if the current temperature is far enough below the target for a reliable test.
    */
-  #define WATCH_TEMP_PERIOD 16                // Seconds
+  #define WATCH_TEMP_PERIOD 30                // Seconds
   #define WATCH_TEMP_INCREASE 4               // Degrees Celsius
 #endif
 
 // When first starting the main fan, run it at full speed for the
 // given number of milliseconds.  This gets the fan spinning reliably
 // before setting a PWM value. (Does not work with software PWM for fan on Sanguinololu)
-//#define FAN_KICKSTART_TIME 100
+#define FAN_KICKSTART_TIME 500
 
 // This defines the minimal speed for the main fan, run in PWM mode
 // to enable uncomment and set minimal PWM speed for reliable running (1-255)
 // if fan speed is [1 - (FAN_MIN_PWM-1)] it is set to FAN_MIN_PWM
-#define FAN_MIN_PWM 50 // K8200: fan stops running at about 35 to 40 (of 255)
+#define FAN_MIN_PWM 50
 
 // @section extruder
 
 //homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
 #define X_HOME_BUMP_MM 5
 #define Y_HOME_BUMP_MM 5
-#define Z_HOME_BUMP_MM 3
-#define HOMING_BUMP_DIVISOR {2, 2, 4}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
-//#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
+#define Z_HOME_BUMP_MM 2
+#define HOMING_BUMP_DIVISOR {4, 4, 8}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
+#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
 
 // When G28 is called, this option will make Y home before X
 //#define HOME_Y_BEFORE_X
   #define SDCARD_RATHERRECENTFIRST  //reverse file order of sd card menu display. Its sorted practically after the file system block order.
   // if a file is deleted, it frees a block. hence, the order is not purely chronological. To still have auto0.g accessible, there is again the option to do that.
   // using:
-  //#define MENU_ADDAUTOSTART
+  #define MENU_ADDAUTOSTART
 
   // Show a progress bar on HD44780 LCDs for SD printing
-  //#define LCD_PROGRESS_BAR
+  #define LCD_PROGRESS_BAR
 
   #if ENABLED(LCD_PROGRESS_BAR)
     // Amount of time (ms) to show the bar
   #endif
 
   // This allows hosts to request long names for files and folders with M33
-  //#define LONG_FILENAME_HOST_SUPPORT
+  #define LONG_FILENAME_HOST_SUPPORT
 
   // This option allows you to abort SD printing when any endstop is triggered.
   // This feature must be enabled with "M540 S1" or from the LCD menu.
   //#define USE_SMALL_INFOFONT
 #endif // DOGLCD
 
-
 // @section more
 
 // The hardware watchdog should reset the microcontroller disabling all outputs, in case the firmware gets stuck and doesn't do temperature regulation.
-//#define USE_WATCHDOG
+#define USE_WATCHDOG
 
 #if ENABLED(USE_WATCHDOG)
   // If you have a watchdog reboot in an ArduinoMega2560 then the device will hang forever, as a watchdog reset will leave the watchdog on.
 // Babystepping enables the user to control the axis in tiny amounts, independently from the normal printing process
 // it can e.g. be used to change z-positions in the print startup phase in real-time
 // does not respect endstops!
-//#define BABYSTEPPING
+#define BABYSTEPPING
 #if ENABLED(BABYSTEPPING)
   #define BABYSTEP_XY  //not only z, but also XY in the menu. more clutter, more functions
+                       //not implemented for CoreXY and deltabots!
   #define BABYSTEP_INVERT_Z false  //true for inverse movements in Z
   #define BABYSTEP_MULTIPLICATOR 1 //faster movements
 #endif
 #define MM_PER_ARC_SEGMENT 1
 #define N_ARC_CORRECTION 25
 
-const unsigned int dropsegments = 5; //everything with less than this number of steps will be ignored as move and joined with the next movement
+const unsigned int dropsegments = 2; //everything with less than this number of steps will be ignored as move and joined with the next movement
 
 // @section temperature
 
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16   // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else
-  #define BLOCK_BUFFER_SIZE 16 // maximize block buffer
+  #define BLOCK_BUFFER_SIZE 32 // maximize block buffer
 #endif
 
 // @section more
     #define FILAMENTCHANGE_ZADD 10
     #define FILAMENTCHANGE_FIRSTRETRACT -2
     #define FILAMENTCHANGE_FINALRETRACT -100
+    #define AUTO_FILAMENT_CHANGE                //This extrude filament until you press the button on LCD
+    #define AUTO_FILAMENT_CHANGE_LENGTH 0.04    //Extrusion length on automatic extrusion loop
+    #define AUTO_FILAMENT_CHANGE_FEEDRATE 300   //Extrusion feedrate (mm/min) on automatic extrusion loop
   #endif
 #endif