Update 4.2.83

Add Cooler and Hot Chamber
Add Laser PWM and raster base 64

Documentation/GCodes.md

@@ -7,9 +7,10 @@
 *  G2  - CW ARC
 *  G3  - CCW ARC
 *  G4  - Dwell S[seconds] or P[milliseconds], delay in Second or Millisecond
+*  G7  - Laser raster base64
 *  G10 - retract filament according to settings of M207
 *  G11 - retract recover filament according to settings of M208
-*  G28 - X0 Y0 Z0 Home all Axis. G28 M for bed manual setting with LCD.
+*  G28 - X Y Z Home all Axis. M for bed manual setting with LCD. B return to back point
 *  G29 - Detailed Z-Probe, probes the bed at 3 points or grid.  You must be at the home position for this to work correctly.
    G29 Fyyy Lxxx Rxxx Byyy for customer grid.
 *  G30 - Single Z Probe, probes bed at current XY location. Bed Probe and Delta geometry Autocalibration G30 A
@@ -45,7 +46,8 @@
 *  M32  - Make directory
 *  M35  - Upload Firmware to Nextion from SD
 *  M42  - Change pin status via gcode Use M42 Px Sy to set pin x to value y, when omitting Px the onboard led will be used.
-*  M49  - Z probe repetability test
+*  M48  - Measure Z_Probe repeatability. M48 [P # of points] [X position] [Y position] [V_erboseness #] [E_ngage Probe] [L # of legs of travel]
+*  M70  - Power consumption sensor calibration
 *  M80  - Turn on Power Supply
 *  M81  - Turn off Power, including Power Supply, if possible
 *  M82  - Set E codes absolute (default)
@@ -58,26 +60,29 @@
 *  M98  - Print Hysteresis value
 *  M99  - Set Hysteresis parameter M99 X<in mm> Y<in mm> Z<in mm> E<in mm>
 *  M100 - Watch Free Memory (For Debugging Only)
-*  M104 - Set extruder target temp
+*  M104 - Set hotend target temp
 *  M105 - Read current temp
 *  M106 - Fan on
 *  M107 - Fan off
-*  M109 - S[xxx] Wait for extruder current temp to reach target temp. Waits only when heating
-        - R[xxx] Wait for extruder current temp to reach target temp. Waits when heating and cooling
-*  M111 - Debug Dryrun Repetier
+*  M109 - S[xxx] Wait for hotend current temp to reach target temp. Waits only when heating
+        - R[xxx] Wait for hotend current temp to reach target temp. Waits when heating and cooling
+*  M110 - Set the current line number
+*  M111 - Set debug flags with S<mask>.
 *  M112 - Emergency stop
-*  M114 - Output current position to serial port, (V)erbose for user
+*  M114 - Output current position to serial port
 *  M115 - Capabilities string
-*  M117 - display message
+*  M117 - Display a message on the controller screen
 *  M119 - Output Endstop status to serial port
-*  M120 - Disable Endstop
-*  M121 - Enable Endstop
+*  M120 - Enable endstop detection
+*  M121 - Disable endstop detection
 *  M122 - S<1=true/0=false> Enable or disable check software endstop
 *  M126 - Solenoid Air Valve Open (BariCUDA support by jmil)
 *  M127 - Solenoid Air Valve Closed (BariCUDA vent to atmospheric pressure by jmil)
 *  M128 - EtoP Open (BariCUDA EtoP = electricity to air pressure transducer by jmil)
 *  M129 - EtoP Closed (BariCUDA EtoP = electricity to air pressure transducer by jmil)
-*  M140 - Set bed target temp
+*  M140 - Set hot bed target temp
+*  M141 - Set hot chamber target temp
+*  M142 - Set cooler target temp
 *  M145 - Set the heatup state H<hotend> B<bed> F<fan speed> for S<material> (0=PLA, 1=ABS)
 *  M150 - Set BlinkM Color Output R: Red<0-255> U(!): Green<0-255> B: Blue<0-255> over i2c, G for green does not work.
 *  M163 - Set a single proportion for a mixing extruder. Requires COLOR_MIXING_EXTRUDER.
@@ -85,6 +90,10 @@
 *  M165 - Set the proportions for a mixing extruder. Use parameters ABCDHI to set the mixing factors. Requires COLOR_MIXING_EXTRUDER.
 *  M190 - S[xxx] Wait for bed current temp to reach target temp. Waits only when heating
         - R[xxx] Wait for bed current temp to reach target temp. Waits when heating and cooling
+*  M191 - Sxxx Wait for chamber current temp to reach target temp. Waits only when heating
+*         Rxxx Wait for chamber current temp to reach target temp. Waits when heating and cooling
+*  M192 - Sxxx Wait for cooler current temp to reach target temp. Waits only when heating
+*         Rxxx Wait for cooler current temp to reach target temp. Waits when heating and cooling
 *  M200 - D[millimeters]- set filament diameter and set E axis units to cubic millimeters (use S0 to set back to millimeters).
 *  M201 - Set max acceleration in units/s^2 for print moves (M201 X1000 Y1000 Z1000 E0 S1000 E1 S1000 E2 S1000 E3 S1000) in mm/sec^2
 *  M203 - Set maximum feedrate that your machine can sustain (M203 X200 Y200 Z300 E0 S1000 E1 S1000 E2 S1000 E3 S1000) in mm/sec
@@ -104,7 +113,9 @@
 *  M301 - Set PID parameters P I and D
 *  M302 - Allow cold extrudes
 *  M303 - PID relay autotune S<temperature> sets the target temperature (default target temperature = 150C). H<hotend> C<cycles> U<Apply result>
-*  M304 - Set bed PID parameters P I and D
+*  M304 - Set hot bed PID parameters P I and D
+*  M305 - Set hot chamber PID parameters P I and D
+*  M306 - Set cooler PID parameters P I and D
 *  M350 - Set microstepping mode.
 *  M351 - Toggle MS1 MS2 pins directly.
 *  M400 - Finish all moves
@@ -131,4 +142,5 @@
 *  M907 - Set digital trimpot motor current using axis codes.
 *  M908 - Control digital trimpot directly.
 *  M928 - Start SD logging (M928 filename.g) - ended by M29
+*  M997 - NPR2 Color rotate
 *  M999 - Restart after being stopped by error

Documentation/changelog.md

+### Version 4.2.83
+* Add Cooler and Hot Chamber
+* Add Laser Beam PWM and raster base64 ONLY ARDUINO MEGA
+
 ### Version 4.2.82
 * Add DONDOLO_DUAL_MOTOR for DONDOLO bowden and dual extruder
 * Add reader TAG width MFRC522

MK/Configuration_Basic.h

@@ -7,10 +7,9 @@
  * - Board type
  * - Mechanism type
  * - Extruders number
- * - Thermistor type
- * - Temperature limits
  *
  * Mechanisms-settings can be found in Configuration_Xxxxxx.h (where Xxxxxx can be: Cartesian - Delta - Core - Scara)
+ * Temperature settings can be found in Configuration_Temperature.h
  * Feature-settings can be found in Configuration_Feature.h
  * Pins-settings can be found in "Configuration_Pins.h"
  */
@@ -127,118 +126,4 @@
 #define DRIVER_EXTRUDERS 1
 /***********************************************************************/
 
-
-/*****************************************************************************************************
- ************************************** Thermistor type **********************************************
- *****************************************************************************************************
- *                                                                                                   *
- * 4.7kohm PULLUP!                                                                                   *
- * This is a normal value, if you use a 1k pullup thermistor see below                               *
- * Please choose the one that matches your setup and set to TEMP_SENSOR_.                            *
- *                                                                                                   *
- * Temperature sensor settings (4.7kohm PULLUP):                                                     *
- *  -2 is thermocouple with MAX6675 (only for sensor 0)                                              *
- *  -1 is thermocouple with AD595 or AD597                                                           *
- *   0 is not used                                                                                   *
- *   1 is 100k thermistor - best choice for EPCOS 100k (4.7k pullup)                                 *
- *   2 is 200k thermistor - ATC Semitec 204GT-2 (4.7k pullup)                                        *
- *   3 is Mendel-parts thermistor (4.7k pullup)                                                      *
- *   4 is 10k thermistor !! do not use it for a hotend. It gives bad resolution at high temp. !!     *
- *   5 is 100K thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (4.7k pullup)              *
- *   6 is 100k EPCOS - Not as accurate as table 1 (created using a fluke thermocouple) (4.7k pullup) *
- *   7 is 100k Honeywell thermistor 135-104LAG-J01 (4.7k pullup)                                     *
- *  71 is 100k Honeywell thermistor 135-104LAF-J01 (4.7k pullup)                                     *
- *   8 is 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup)                                        *
- *   9 is 100k GE Sensing AL03006-58.2K-97-G1 (4.7k pullup)                                          *
- *  10 is 100k RS thermistor 198-961 (4.7k pullup)                                                   *
- *  11 is 100k beta 3950 1% thermistor (4.7k pullup)                                                 *
- *  12 is 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup) (calibrated for Makibox hot bed)       *
- *  13 is 100k Hisens 3950  1% up to 300°C for hotend "Simple ONE " & "Hotend "All In ONE"          *
- *  20 is the PT100 circuit found in the Ultimainboard V2.x                                          *
- *  40 is the 10k Carel NTC015WH01 or ELIWELL SN8T6A1502 (4.7k pullup)                               *
- *  60 is 100k Maker's Tool Works Kapton Bed Thermistor beta=3950                                    *
- *                                                                                                   *
- * 1kohm PULLUP!                                                                                     *
- * This is not normal, you would have to have changed out your 4.7k for 1k                           *
- * (but gives greater accuracy and more stable PID)                                                  *
- * Please choose the one that matches your setup.                                                    *
- *                                                                                                   *
- * Temperature sensor settings (1kohm PULLUP):                                                       *
- *  51 is 100k thermistor - EPCOS (1k pullup)                                                        *
- *  52 is 200k thermistor - ATC Semitec 204GT-2 (1k pullup)                                          *
- *  55 is 100k thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (1k pullup)                *
- *                                                                                                   *
- *  1047 is Pt1000 with 4k7 pullup                                                                   *
- *  1010 is Pt1000 with 1k pullup (non standard)                                                     *
- *  147 is Pt100 with 4k7 pullup                                                                     *
- *  110 is Pt100 with 1k pullup (non standard)                                                       *
- *  998 and 999 are Dummy Tables. ALWAYS read 25°C or DUMMY_THERMISTOR_998_VALUE temperature        *
- *                                                                                                   *
- *****************************************************************************************************/
-#define TEMP_SENSOR_0 1
-#define TEMP_SENSOR_1 0
-#define TEMP_SENSOR_2 0
-#define TEMP_SENSOR_3 0
-#define TEMP_SENSOR_BED 0
-
-//These 2 defines help to calibrate the AD595 sensor in case you get wrong temperature measurements.
-//The measured temperature is defined as "actualTemp = (measuredTemp * TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET"
-#define TEMP_SENSOR_AD595_OFFSET 0.0
-#define TEMP_SENSOR_AD595_GAIN   1.0
-
-// Use it for Testing or Development purposes. NEVER for production machine.
-#define DUMMY_THERMISTOR_998_VALUE 25
-#define DUMMY_THERMISTOR_999_VALUE 25
-
-//Show Temperature ADC value
-//The M105 command return, besides traditional information, the ADC value read from temperature sensors.
-//#define SHOW_TEMP_ADC_VALUES
-/*****************************************************************************************************/
-
-
-/***********************************************************************
- ************************* Temperature limits ***************************
- ***********************************************************************/
-// Hotend temperature must be close to target for this long before M109 returns success
-#define TEMP_RESIDENCY_TIME 10  // (seconds)
-#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
-
-// Bed temperature must be close to target for this long before M190 returns success
-#define TEMP_BED_RESIDENCY_TIME 0   // (seconds)
-#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
-#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
-
-// When temperature exceeds max temp, your heater will be switched off.
-// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
-// You should use MINTEMP for thermistor short/failure protection.
-#define HEATER_0_MAXTEMP 275 // (degC)
-#define HEATER_1_MAXTEMP 275 // (degC)
-#define HEATER_2_MAXTEMP 275 // (degC)
-#define HEATER_3_MAXTEMP 275 // (degC)
-#define BED_MAXTEMP      150 // (degC)
-
-// The minimal temperature defines the temperature below which the heater will not be enabled It is used
-// to check that the wiring to the thermistor is not broken.
-// Otherwise this would lead to the heater being powered on all the time.
-#define HEATER_0_MINTEMP 5 // (degC)
-#define HEATER_1_MINTEMP 5 // (degC)
-#define HEATER_2_MINTEMP 5 // (degC)
-#define HEATER_3_MINTEMP 5 // (degC)
-#define BED_MINTEMP      5 // (degC)
-
-//Preheat Constants
-#define PLA_PREHEAT_HOTEND_TEMP 190
-#define PLA_PREHEAT_HPB_TEMP     60
-#define PLA_PREHEAT_FAN_SPEED   255   // Insert Value between 0 and 255
-
-#define ABS_PREHEAT_HOTEND_TEMP 240
-#define ABS_PREHEAT_HPB_TEMP    100
-#define ABS_PREHEAT_FAN_SPEED   255   // Insert Value between 0 and 255
-
-#define GUM_PREHEAT_HOTEND_TEMP 230
-#define GUM_PREHEAT_HPB_TEMP     60
-#define GUM_PREHEAT_FAN_SPEED   255   // Insert Value between 0 and 255
-/*****************************************************************************************************/
-
 #endif

MK/Configuration_Core.h

@@ -239,7 +239,7 @@
 
 /*****************************************************************************************
  ************************************** MBL or ABL ***************************************
-/*****************************************************************************************
+ *****************************************************************************************
  *                                                                                       *
  * Manual Bed Leveling (MBL) or Auto Bed Leveling (ABL) settings                         *
  * Set the rectangle in which to probe in MBL or ABL.                                    *

MK/Configuration_Laser.h

+#ifndef CONFIGURATION_LASER
+#define CONFIGURATION_LASER
+
+//===========================================================================
+//============================= Laser Settings ==============================
+//===========================================================================
+
+// The following define selects how to control the laser.
+// Please choose the one that matches your setup.
+// 1 = Single pin control - LOW when off, HIGH when on, PWM to adjust intensity
+// 2 = Two pin control - A firing pin for which LOW = off, HIGH = on, and a seperate intensity pin which carries a constant PWM signal and adjusts duty cycle to control intensity
+#define LASER_CONTROL 1
+
+// The following define to use the new HakanBasted laser_pulse method to fire laser. It should be more efficient, but it's less tested.
+// Thanks for it to HakanBastedt that has implemented it for Marlin at https://github.com/HakanBastedt/Marlin
+// Uncomment to enable it *USE AT YOUR OWN RISK*, it should work but it's *NOT WELL TESTED YET*
+//#define LASER_PULSE_METHOD
+
+// If your machine has laser focuser, set this to true and it will use Z axis for focus or disable it.
+#define LASER_HAS_FOCUS false
+
+//// In the case that the laserdriver need at least a certain level "LASER_REMAP_INTENSITY"
+// to give anything, the intensity can be remapped to start at "LASER_REMAP_INTENSITY"
+// At least some CO2-drivers need it, not sure about laserdiode drivers.
+#define LASER_REMAP_INTENSITY 7
+
+// Uncomment the following if your laser firing pin (not the PWM pin) for two pin control requires a HIGH signal to fire rather than a low (eg Red Sail M300 RS 3040)
+// #define HIGH_TO_FIRE
+
+// The following defines select which G codes tell the laser to fire. It's OK to uncomment more than one.
+#define LASER_FIRE_G1 10      // fire the laser on a G1 move, extinguish when the move ends
+#define LASER_FIRE_SPINDLE 11 // fire the laser on M3, extinguish on M5
+#define LASER_FIRE_E 12       // fire the laser when the E axis moves
+
+// Raster mode enables the laser to etch bitmap data at high speeds. Increases command buffer size substantially.
+#define LASER_RASTER
+#define LASER_MAX_RASTER_LINE 68      // Maximum number of base64 encoded pixels per raster gcode command
+#define LASER_RASTER_ASPECT_RATIO 1   // pixels aren't square on most displays, 1.33 == 4:3 aspect ratio. 
+#define LASER_RASTER_MM_PER_PULSE 0.2 // Can be overridden by providing an R value in M649 command : M649 S17 B2 D0 R0.1 F4000
+
+// Uncomment the following if the laser cutter is equipped with a peripheral relay board
+// to control power to an exhaust fan, cooler pump, laser power supply, etc.
+//#define LASER_PERIPHERALS
+//#define LASER_PERIPHERALS_TIMEOUT 30000  // Number of milliseconds to wait for status signal from peripheral control board
+
+// Uncomment the following line to enable cubic bezier curve movement with the G5 code
+// #define G5_BEZIER
+
+// Uncomment these options for the Buildlog.net laser cutter, and other similar models
+#define LASER_WATTS 40.0
+#define LASER_DIAMETER 0.1        // milimeters
+#define LASER_PWM 50000           // hertz
+#define LASER_FOCAL_HEIGHT 74.50  // z axis position at which the laser is focused
+
+#endif

MK/Configuration_Pins.h

@@ -69,6 +69,8 @@
 #define HEATER_2_PIN        ORIG_HEATER_2_PIN
 #define HEATER_3_PIN        ORIG_HEATER_3_PIN
 #define HEATER_BED_PIN      ORIG_HEATER_BED_PIN
+#define HEATER_CHAMBER_PIN  -1
+#define COOLER_PIN          -1
 
 // TEMP pin
 #define TEMP_0_PIN        ORIG_TEMP_0_PIN
@@ -76,6 +78,8 @@
 #define TEMP_2_PIN        ORIG_TEMP_2_PIN
 #define TEMP_3_PIN        ORIG_TEMP_3_PIN
 #define TEMP_BED_PIN      ORIG_TEMP_BED_PIN
+#define TEMP_CHAMBER_PIN  -1
+#define TEMP_COOLER_PIN   -1
 
 // FAN pin
 #define FAN_PIN         ORIG_FAN_PIN
@@ -106,6 +110,10 @@
 #if ENABLED(LASERBEAM)
   #define LASER_PWR_PIN                   -1
   #define LASER_TTL_PIN                   -1
+  #if ENABLED(LASER_PERIPHERALS)
+    #define LASER_PERIPHERALS_PIN         -1
+    #define LASER_PERIPHERALS_STATUS_PIN  -1
+  #endif
 #endif
 
 #if ENABLED(FILAMENT_RUNOUT_SENSOR)
@@ -116,6 +124,10 @@
   #define FILWIDTH_PIN -1
 #endif
 
+#if ENABLED(FLOWMETER_SENSOR)
+  #define FLOWMETER_PIN -1
+#endif
+
 #if ENABLED(POWER_CONSUMPTION)
   #define POWER_CONSUMPTION_PIN -1
 #endif

MK/Configuration_Store.cpp

@@ -95,6 +95,10 @@
  *
  * PIDTEMPBED:
  *  M304      PID         bedKp, bedKi, bedKd
+ * PIDTEMPCHAMBER
+ *  M305      PID         chamberKp, chamberKi, chamberKd
+ * PIDTEMPCOOLER
+ *  M306      PID         coolerKp, coolerKi, coolerKd
  *
  * DOGLCD:
  *  M250  C               lcd_contrast
@@ -232,6 +236,18 @@ void Config_StoreSettings() {
     EEPROM_WRITE_VAR(i, bedKd);
   #endif
 
+  #if ENABLED(PIDTEMPCHAMBER)
+    EEPROM_WRITE_VAR(i, chamberKp);
+    EEPROM_WRITE_VAR(i, chamberKi);
+    EEPROM_WRITE_VAR(i, chamberKd);
+  #endif
+
+  #if ENABLED(PIDTEMPCOOLER)
+    EEPROM_WRITE_VAR(i, coolerKp);
+    EEPROM_WRITE_VAR(i, coolerKi);
+    EEPROM_WRITE_VAR(i, coolerKd);
+  #endif
+
   #if HASNT(LCD_CONTRAST)
     const int lcd_contrast = 32;
   #endif
@@ -381,6 +397,18 @@ void Config_RetrieveSettings() {
       EEPROM_READ_VAR(i, bedKd);
     #endif
 
+    #if ENABLED(PIDTEMPCHAMBER)
+      EEPROM_READ_VAR(i, chamberKp);
+      EEPROM_READ_VAR(i, chamberKi);
+      EEPROM_READ_VAR(i, chamberKd);
+    #endif
+
+    #if ENABLED(PIDTEMPCOOLER)
+      EEPROM_READ_VAR(i, coolerKp);
+      EEPROM_READ_VAR(i, coolerKi);
+      EEPROM_READ_VAR(i, coolerKd);
+    #endif
+
     #if HASNT(LCD_CONTRAST)
       int lcd_contrast;
     #endif
@@ -575,6 +603,18 @@ void Config_ResetDefault() {
     bedKd = scalePID_d(DEFAULT_bedKd);
   #endif
 
+  #if ENABLED(PIDTEMPCHAMBER)
+    chamberKp = DEFAULT_chamberKp;
+    chamberKi = scalePID_i(DEFAULT_chamberKi);
+    chamberKd = scalePID_d(DEFAULT_chamberKd);
+  #endif
+
+  #if ENABLED(PIDTEMPCOOLER)
+    coolerKp = DEFAULT_coolerKp;
+    coolerKi = scalePID_i(DEFAULT_coolerKi);
+    coolerKd = scalePID_d(DEFAULT_coolerKd);
+  #endif
+
   #if ENABLED(FWRETRACT)
     autoretract_enabled = false;
     retract_length = RETRACT_LENGTH;
@@ -777,7 +817,7 @@ void Config_ResetDefault() {
       ECHO_EM(" (Material GUM)");
     #endif // ULTIPANEL
 
-    #if ENABLED(PIDTEMP) || ENABLED(PIDTEMPBED)
+    #if ENABLED(PIDTEMP) || ENABLED(PIDTEMPBED) || ENABLED(PIDTEMPCHAMBER) || ENABLED(PIDTEMPCOOLER)
       if (!forReplay) {
         ECHO_LM(CFG, "PID settings:");
       }
@@ -797,10 +837,21 @@ void Config_ResetDefault() {
         #endif
       #endif
       #if ENABLED(PIDTEMPBED)
-        ECHO_SMV(CFG, "  M304 P", bedKp); // for compatibility with hosts, only echos values for E0
+        ECHO_SMV(CFG, "  M304 P", bedKp);
         ECHO_MV(" I", unscalePID_i(bedKi));
         ECHO_EMV(" D", unscalePID_d(bedKd));
       #endif
+      #if ENABLED(PIDTEMPCHAMBER)
+        ECHO_SMV(CFG, "  M305 P", chamberKp);
+        ECHO_MV(" I", unscalePID_i(chamberKi));
+        ECHO_EMV(" D", unscalePID_d(chamberKd));
+      #endif
+      #if ENABLED(PIDTEMPCOOLER)
+        ECHO_SMV(CFG, "  M306 P", coolerKp);
+        ECHO_MV(" I", unscalePID_i(coolerKi));
+        ECHO_EMV(" D", unscalePID_d(coolerKd));
+      #endif
+
     #endif
 
     #if ENABLED(FWRETRACT)

MK/Configuration_Version.h

 /**
- * Marlin 3D Printer Firmware
- * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * MK & MK4due 3D Printer Firmware
  *
- * Based on Sprinter and grbl.
+ * Based on Marlin, Sprinter and grbl
  * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ * Copyright (C) 2013 - 2016 Alberto Cotronei @MagoKimbra
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -24,7 +24,7 @@
   #define CONFIGURATION_VERSION_H
 
   #define FIRMWARE_NAME "MK"
-  #define SHORT_BUILD_VERSION "4.2.82_dev"
+  #define SHORT_BUILD_VERSION "4.2.83_dev"
   #define BUILD_VERSION FIRMWARE_NAME "_" SHORT_BUILD_VERSION
   #define STRING_DISTRIBUTION_DATE __DATE__ " " __TIME__    // build date and time
   // It might also be appropriate to define a location where additional information can be found

MK/MK.ino

@@ -35,13 +35,14 @@
  * "G" Codes
  *
  * G0  -> G1
- * G1  - Coordinated Movement X Y Z E
+ * G1  - Coordinated Movement X Y Z E F(feedrate) P(Purge)
  * G2  - CW ARC
  * G3  - CCW ARC
- * G4  - Dwell S<seconds> or P<milliseconds>
+ * G4  - Dwell S[seconds] or P[milliseconds], delay in Second or Millisecond
+ * G7  - Laser raster base64
  * G10 - retract filament according to settings of M207
  * G11 - retract recover filament according to settings of M208
- * G28 - Home one or more axes
+ * G28 - X Y Z Home all Axis. M for bed manual setting with LCD. B return to back point
  * G29 - Detailed Z-Probe, probes the bed at 3 or more points.  Will fail if you haven't homed yet.
  * G30 - Single Z Probe, probes bed at current XY location. - Bed Probe and Delta geometry Autocalibration
  * G31 - Dock sled (Z_PROBE_SLED only)
@@ -96,15 +97,15 @@
  * M98  - Print Hysteresis value
  * M99  - Set Hysteresis parameter M99 X<in mm> Y<in mm> Z<in mm> E<in mm>
  * M100 - Watch Free Memory (For Debugging Only)
- * M104 - Set extruder target temp
+ * M104 - Set hotend target temp
  * M105 - Read current temp
  * M106 - Fan on
  * M107 - Fan off
- * M109 - Sxxx Wait for extruder current temp to reach target temp. Waits only when heating
- *        Rxxx Wait for extruder current temp to reach target temp. Waits when heating and cooling
+ * M109 - Sxxx Wait for hotend current temp to reach target temp. Waits only when heating
+ *        Rxxx Wait for hotend current temp to reach target temp. Waits when heating and cooling
  *        IF AUTOTEMP is enabled, S<mintemp> B<maxtemp> F<factor>. Exit autotemp by any M109 without F
  * M110 - Set the current line number
- * M111 - Set debug flags with S<mask>. See flag bits defined in Marlin.h.
+ * M111 - Set debug flags with S<mask>.
  * M112 - Emergency stop
  * M114 - Output current position to serial port
  * M115 - Capabilities string
@@ -117,7 +118,9 @@
  * M127 - Solenoid Air Valve Closed (BariCUDA vent to atmospheric pressure by jmil)
  * M128 - EtoP Open (BariCUDA EtoP = electricity to air pressure transducer by jmil)
  * M129 - EtoP Closed (BariCUDA EtoP = electricity to air pressure transducer by jmil)
- * M140 - Set bed target temp
+ * M140 - Set hot bed target temp
+ * M141 - Set hot chamber target temp
+ * M142 - Set cooler target temp
  * M145 - Set the heatup state H<hotend> B<bed> F<fan speed> for S<material> (0=PLA, 1=ABS)
  * M150 - Set BlinkM Color Output R: Red<0-255> U(!): Green<0-255> B: Blue<0-255> over i2c, G for green does not work.
  * M163 - Set a single proportion for a mixing extruder. Requires COLOR_MIXING_EXTRUDER.
@@ -125,6 +128,10 @@
  * M165 - Set the proportions for a mixing extruder. Use parameters ABCDHI to set the mixing factors. Requires COLOR_MIXING_EXTRUDER.
  * M190 - Sxxx Wait for bed current temp to reach target temp. Waits only when heating
  *        Rxxx Wait for bed current temp to reach target temp. Waits when heating and cooling
+ * M191 - Sxxx Wait for chamber current temp to reach target temp. Waits only when heating
+ *        Rxxx Wait for chamber current temp to reach target temp. Waits when heating and cooling
+ * M192 - Sxxx Wait for cooler current temp to reach target temp. Waits only when heating
+ *        Rxxx Wait for cooler current temp to reach target temp. Waits when heating and cooling
  * M200 - set filament diameter and set E axis units to cubic millimeters (use S0 to set back to millimeters).:D<millimeters>- 
  * M201 - Set max acceleration in units/s^2 for print moves (M201 X1000 Y1000)
  * M202 - Set max acceleration in units/s^2 for travel moves (M202 X1000 Y1000) Unused in Marlin!!
@@ -137,8 +144,8 @@
  * M209 - S<1=true/0=false> enable automatic retract detect if the slicer did not support G10/11: every normal extrude-only move will be classified as retract depending on the direction.
  * M218 - Set hotend offset (in mm): T<extruder_number> X<offset_on_X> Y<offset_on_Y>
  * M220 - Set speed factor override percentage: S<factor in percent>
- * M221 - Set extrude factor override percentage: S<factor in percent>
- * M222 - Set density extrusion percentage for purge: S<factor in percent>
+ * M221 - T<extruder> S<factor in percent> - set extrude factor override percentage
+ * M222 - T<extruder> S<factor in percent> - set density extrude factor percentage for purge
  * M226 - Wait until the specified pin reaches the state required: P<pin number> S<pin state>
  * M240 - Trigger a camera to take a photograph
  * M250 - Set LCD contrast C<contrast value> (value 0..63)
@@ -147,7 +154,9 @@
  * M301 - Set PID parameters P I D and C
  * M302 - Allow cold extrudes, or set the minimum extrude S<temperature>.
  * M303 - PID relay autotune S<temperature> sets the target temperature (default target temperature = 150C). H<hotend> C<cycles> U<Apply result>
- * M304 - Set bed PID parameters P I and D
+ * M304 - Set hot bed PID parameters P I and D
+ * M305 - Set hot chamber PID parameters P I and D
+ * M306 - Set cooler PID parameters P I and D
  * M350 - Set microstepping mode.
  * M351 - Toggle MS1 MS2 pins directly.
  * M380 - Activate solenoid on active extruder

MK/base.h

@@ -35,9 +35,18 @@
   #include "Configuration_Scara.h"
 #endif
 
+#include "Configuration_Temperature.h"
 #include "Configuration_Feature.h"
 #include "Configuration_Overall.h"
 
+#if ENABLED(LASERBEAM)
+  #include "Configuration_Laser.h"
+  #if ENABLED(LASER_RASTER)
+    #include "module/laser/base64/base64.h"
+  #endif
+  #include "module/laser/laser.h"
+#endif
+
 #include "module/conditionals.h"
 #include "module/sanitycheck.h"
 #include "module/HAL/HAL.h"
@@ -56,6 +65,7 @@
 #include "module/motion/qr_solve.h"
 #include "module/motion/cartesian_correction.h"
 #include "module/temperature/temperature.h"
+#include "module/sensor/flowmeter.h"
 #include "module/temperature/thermistortables.h"
 #include "module/lcd/ultralcd.h"
 #include "module/lcd/buzzer.h"

MK/module/HAL/HardwareSerial.h

-/*
-  HardwareSerial.h - Hardware serial library for Wiring
-  Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
-
-  This library is free software; you can redistribute it and/or
-  modify it under the terms of the GNU Lesser General Public
-  License as published by the Free Software Foundation; either
-  version 2.1 of the License, or (at your option) any later version.
-
-  This library 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
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public
-  License along with this library; if not, write to the Free Software
-  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-
-  Modified 28 September 2010 by Mark Sproul
-*/
+/**
+ * MK & MK4due 3D Printer Firmware
+ *
+ * Based on Marlin, Sprinter and grbl
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ * Copyright (C) 2013 - 2016 Alberto Cotronei @MagoKimbra
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * HardwareSerial.h - Hardware serial library for Wiring
+ * Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Modified 28 September 2010 by Mark Sproul
+ * Modified  3 March 2015 by MagoKimbra
+ */
 
 #ifndef HardwareSerial_H
   #define HardwareSerial_H

MK/module/MK_Main.h

@@ -116,7 +116,7 @@ inline void refresh_cmd_timeout() { previous_cmd_ms = millis(); }
 
 extern void delay_ms(millis_t ms);
 
-#if ENABLED(FAST_PWM_FAN)
+#if ENABLED(FAST_PWM_FAN) || ENABLED(FAST_PWM_COOLER)
   void setPwmFrequency(uint8_t pin, uint8_t val);
 #endif
 
@@ -236,10 +236,6 @@ extern int fanSpeed;
   extern bool allow_lengthy_extrude_once; // for load/unload
 #endif
 
-#if ENABLED(LASERBEAM)
-  extern int laser_ttl_modulation;
-#endif
-
 // Print job timer
 extern PrintCounter print_job_counter;
 
@@ -261,6 +257,18 @@ extern uint8_t active_driver;
   void print_heaterstates();
 #endif
 
+#if HAS(TEMP_CHAMBER)
+  void print_chamberstate();
+#endif
+
+#if HAS(TEMP_COOLER)
+  void print_coolerstate();
+#endif
+
+#if ENABLED(FLOWMETER_SENSOR)
+  void print_flowratestate();
+#endif
+
 #if ENABLED(FIRMWARE_TEST)
   void FirmwareTest();
 #endif

MK/module/boards/403.h

@@ -13,7 +13,9 @@
 #if MB(RAMPS_FD_V1)
   #define RAMPS_FD_V1
   #define INVERTED_HEATER_PINS
-  #define INVERTED_BED_PINS
+  #define INVERTED_BED_PIN
+  #define INVERTED_CHAMBER_PIN
+  #define INVERTED_COOLER_PIN
   // No EEPROM
   // Use 4k7 thermistor tables
 #else

MK/module/boards/404.h

@@ -13,7 +13,9 @@
 #if MB(RAMPS_FD_V1)
   #define RAMPS_FD_V1
   #define INVERTED_HEATER_PINS
-  #define INVERTED_BED_PINS
+  #define INVERTED_BED_PIN
+  #define INVERTED_CHAMBER_PIN
+  #define INVERTED_COOLER_PIN
   // No EEPROM
   // Use 4k7 thermistor tables
 #else

MK/module/conditionals.h

@@ -605,6 +605,32 @@
     #define BED_USES_THERMISTOR
   #endif
 
+  #if TEMP_SENSOR_CHAMBER == -1
+    #define CHAMBER_USES_AD595
+  #elif TEMP_SENSOR_CHAMBER == 0
+    #undef CHAMBER_MINTEMP
+    #undef CHAMBER_MAXTEMP
+  #elif TEMP_SENSOR_CHAMBER > 0
+    #define THERMISTORCHAMBER TEMP_SENSOR_CHAMBER
+    #define CHAMBER_USES_THERMISTOR
+  #endif
+
+  #if TEMP_SENSOR_COOLER == -1
+    #define COOLER_USES_AD595
+  #elif TEMP_SENSOR_COOLER == 0
+    #undef COOLER_MINTEMP
+    #undef COOLER_MAXTEMP
+  #elif TEMP_SENSOR_COOLER > 0
+    #define THERMISTORCOOLER TEMP_SENSOR_COOLER
+    #define COOLER_USES_THERMISTOR
+  #endif
+  
+  #if HASNT(COOLER)
+    #if ENABLED(PIDTEMPCOOLER)
+      #undef PIDTEMPCOOLER
+    #endif
+  #endif
+
   #define HEATER_USES_AD595 (ENABLED(HEATER_0_USES_AD595) || ENABLED(HEATER_1_USES_AD595) || ENABLED(HEATER_2_USES_AD595) || ENABLED(HEATER_3_USES_AD595))
 
   /**
@@ -612,6 +638,7 @@
    */
   #define HAS_PID_HEATING (ENABLED(PIDTEMP) || ENABLED(PIDTEMPBED))
   #define HAS_PID_FOR_BOTH (ENABLED(PIDTEMP) && ENABLED(PIDTEMPBED))
+  #define HAS_PID_COOLING (ENABLED(PIDTEMPCOOLER))
 
   /**
    * ARRAY_BY_EXTRUDERS based on EXTRUDERS
@@ -661,11 +688,15 @@
   #define HAS_TEMP_2 (PIN_EXISTS(TEMP_2) && TEMP_SENSOR_2 != 0)
   #define HAS_TEMP_3 (PIN_EXISTS(TEMP_3) && TEMP_SENSOR_3 != 0)
   #define HAS_TEMP_BED (PIN_EXISTS(TEMP_BED) && TEMP_SENSOR_BED != 0)
+  #define HAS_TEMP_CHAMBER (PIN_EXISTS(TEMP_CHAMBER) && TEMP_SENSOR_CHAMBER != 0)
+  #define HAS_TEMP_COOLER (PIN_EXISTS(TEMP_COOLER) && TEMP_SENSOR_COOLER != 0)
   #define HAS_HEATER_0 (PIN_EXISTS(HEATER_0))
   #define HAS_HEATER_1 (PIN_EXISTS(HEATER_1))
   #define HAS_HEATER_2 (PIN_EXISTS(HEATER_2))
   #define HAS_HEATER_3 (PIN_EXISTS(HEATER_3))
   #define HAS_HEATER_BED (PIN_EXISTS(HEATER_BED))
+  #define HAS_HEATER_CHAMBER (PIN_EXISTS(HEATER_CHAMBER))
+  #define HAS_COOLER     (PIN_EXISTS(COOLER))
   #define HAS_AUTO_FAN_0 (ENABLED(EXTRUDER_AUTO_FAN) && PIN_EXISTS(EXTRUDER_0_AUTO_FAN))
   #define HAS_AUTO_FAN_1 (ENABLED(EXTRUDER_AUTO_FAN) && PIN_EXISTS(EXTRUDER_1_AUTO_FAN))
   #define HAS_AUTO_FAN_2 (ENABLED(EXTRUDER_AUTO_FAN) && PIN_EXISTS(EXTRUDER_2_AUTO_FAN))
@@ -790,12 +821,26 @@
     #define WRITE_HEATER_0(v) WRITE_HEATER_0P(v)
   #endif
   #if HAS(HEATER_BED)
-    #if ENABLED(INVERTED_BED_PINS)
+    #if ENABLED(INVERTED_BED_PIN)
       #define WRITE_HEATER_BED(v) WRITE(HEATER_BED_PIN,!v)
     #else
       #define WRITE_HEATER_BED(v) WRITE(HEATER_BED_PIN,v)
     #endif
   #endif
+  #if HAS(HEATER_CHAMBER)
+    #if ENABLED(INVERTED_CHAMBER_PIN)
+      #define WRITE_HEATER_CHAMBER(v) WRITE(HEATER_CHAMBER_PIN,!v)
+    #else
+      #define WRITE_HEATER_CHAMBER(v) WRITE(HEATER_CHAMBER_PIN,v)
+    #endif
+  #endif
+  #if HAS(COOLER)
+    #if ENABLED(INVERTED_COOLER_PIN)
+      #define WRITE_COOLER(v) WRITE(COOLER_PIN,!v)
+    #else
+      #define WRITE_COOLER(v) WRITE(COOLER_PIN,v)
+    #endif
+  #endif
   #if HAS(FAN)
     #if ENABLED(INVERTED_HEATER_PINS)
       #define WRITE_FAN(v) WRITE(FAN_PIN, !v)

MK/module/language/language.h

@@ -94,7 +94,6 @@
 #define SERIAL_INVALID_HOTEND                   "Invalid hotend"
 #define SERIAL_INVALID_SOLENOID                 "Invalid solenoid"
 #define SERIAL_ERR_NO_THERMISTORS               "No thermistors - no temperature"
-#define SERIAL_COUNT_X                          " Count X: "
 #define SERIAL_ERR_KILLED                       "Printer halted. kill() called!"
 #define SERIAL_ERR_STOPPED                      "Printer stopped due to errors. Fix the error and use M999 to restart. (Temperature is reset. Set it after restarting)"
 #define SERIAL_BUSY_PROCESSING                  "processing"
@@ -168,8 +167,9 @@
 #define SERIAL_PID_AUTOTUNE                     "PID Autotune"
 #define SERIAL_PID_AUTOTUNE_START               SERIAL_PID_AUTOTUNE " start"
 #define SERIAL_PID_AUTOTUNE_FAILED              SERIAL_PID_AUTOTUNE " failed!"
-#define SERIAL_PID_BAD_EXTRUDER_NUM             SERIAL_PID_AUTOTUNE_FAILED " Bad extruder number"
+#define SERIAL_PID_BAD_TEMP_CONTROLLER_NUM      SERIAL_PID_AUTOTUNE_FAILED " Bad temperature controller number"
 #define SERIAL_PID_TEMP_TOO_HIGH                SERIAL_PID_AUTOTUNE_FAILED " Temperature too high"
+#define SERIAL_PID_TEMP_TOO_LOW                 SERIAL_PID_AUTOTUNE_FAILED " Temperature too low"
 #define SERIAL_PID_TIMEOUT                      SERIAL_PID_AUTOTUNE_FAILED " timeout"
 #define SERIAL_BIAS                             " bias: "
 #define SERIAL_D                                " d: "
@@ -182,9 +182,11 @@
 #define SERIAL_KI                               " Ki: "
 #define SERIAL_KD                               " Kd: "
 #define SERIAL_T                                " T:"
+#define SERIAL_C                                " C:"
 #define SERIAL_B                                " B:"
 #define SERIAL_AT                               " @"
 #define SERIAL_BAT                              " B@:"
+#define SERIAL_CAT                              " C@:"
 #define SERIAL_W                                " W:"
 #define SERIAL_PID_AUTOTUNE_FINISHED            SERIAL_PID_AUTOTUNE " finished! Put the last Kp, Ki and Kd constants from above into Configuration.h or send command M500 for save in EEPROM the new value!"
 #define SERIAL_PID_DEBUG                        " PID_DEBUG "
@@ -196,8 +198,10 @@
 #define SERIAL_PID_DEBUG_CTERM                  " cTerm "
 #define SERIAL_INVALID_EXTRUDER_NUM             " - Invalid extruder number !"
 
-#define SERIAL_HEATER_BED                       "bed"
 #define SERIAL_STOPPED_HEATER                   ", system stopped! Heater_ID: "
+#define SERIAL_STOPPED_BED                      ", system stopped! Bed"
+#define SERIAL_STOPPED_CHAMBER                  ", system stopped! Chamber"
+#define SERIAL_STOPPED_COOLER                   ", system stopped! Cooler"
 #define SERIAL_REDUNDANCY                       "Heater switched off. Temperature difference between temp sensors is too high !"
 #define SERIAL_T_HEATING_FAILED                 "Heating failed"
 #define SERIAL_T_THERMAL_RUNAWAY                "Thermal Runaway"
@@ -228,6 +232,8 @@
 #define SERIAL_BED_LEVELLING_Y                  " Y: "
 #define SERIAL_BED_LEVELLING_Z                  " Z: "
 
+#define MSG_COOLER                              "Cooler"
+
 // LCD Menu Messages
 
 #define LANGUAGE_INCL_(M) STRINGIFY_(language_##M.h)

MK/module/language/language_an.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -218,6 +220,9 @@
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
 
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 // Extra
 #define MSG_LASER                           "Laser Preset"
 #define MSG_CONFIG                          "Configuration"

MK/module/language/language_bg.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "часа"
 #define MSG_END_MINUTE                      "минути"
@@ -218,6 +220,9 @@
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
 
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 // Extra
 #define MSG_LASER                           "Laser Preset"
 #define MSG_CONFIG                          "Configuration"

MK/module/language/language_ca.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -218,6 +220,9 @@
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
 
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 // Extra
 #define MSG_LASER                           "Laser Preset"
 #define MSG_CONFIG                          "Configuration"

MK/module/language/language_cn.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -218,6 +220,10 @@
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
 
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
+
 // Extra
 #define MSG_LASER                           "Laser Preset"
 #define MSG_CONFIG                          "Configuration"

MK/module/language/language_cz.h

@@ -183,6 +183,8 @@
 #define MSG_ERR_MINTEMP                     "Chyba: NIZKA TEPLOTA"
 #define MSG_ERR_MAXTEMP_BED                 "Chyba: VYSOKA TEPLOTA PODL."
 #define MSG_ERR_MINTEMP_BED                 "Chyba: NIZKA TEPLOTA PODL."
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hod"
 #define MSG_END_MINUTE                      "min"
@@ -220,6 +222,9 @@
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
 
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 // Extra
 #define MSG_LASER                           "Laser Preset"
 #define MSG_CONFIG                          "Configuration"

MK/module/language/language_da.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "timer"
 #define MSG_END_MINUTE                      "minutter"
@@ -217,6 +219,9 @@
 #define MSG_HEATING_COMPLETE                "Opvarmet"
 #define MSG_BED_HEATING                     "Opvarmer plade"
 #define MSG_BED_DONE                        "Plade opvarmet"
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_de.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "tage"
 #define MSG_END_HOUR                        "uur"
 #define MSG_END_MINUTE                      "minuten"
@@ -217,6 +219,9 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_en.h

@@ -184,6 +184,10 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_CHAMBER             "MAXTEMP CHAMBER ERROR"
+#define MSG_ERR_MINTEMP_CHAMBER             "MINTEMP CHAMBER ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -244,6 +248,9 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_es.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -217,6 +219,9 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_eu.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -217,6 +219,9 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_fi.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -217,6 +219,9 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_fr.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "heures"
 #define MSG_END_MINUTE                      "minutes"
@@ -217,6 +219,9 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_gl.h

@@ -155,12 +155,17 @@
 #define MSG_ERR_MINTEMP                     "Err: temp. min."
 #define MSG_ERR_MAXTEMP_BED                 "Err: MAXTEMP BED"
 #define MSG_ERR_MINTEMP_BED                 "Err: MINTEMP BED"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_HOUR                        "horas"
 #define MSG_END_MINUTE                      "minutos"
 #define MSG_HEATING                         "Quentando..."
 #define MSG_HEATING_COMPLETE                "Xa esta quente"
 #define MSG_BED_HEATING                     "Quentando cama"
 #define MSG_BED_DONE                        "Cama esta quente"
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 #define MSG_DELTA_CALIBRATE               "Calibracion Delta"
 #define MSG_DELTA_CALIBRATE_X             "Calibrar X"

MK/module/language/language_it.h

@@ -181,6 +181,10 @@
 #define MSG_ERR_MINTEMP                     "Err: TEMP MINIMA"
 #define MSG_ERR_MAXTEMP_BED                 "Err: TEMP MASSIMA PIATTO"
 #define MSG_ERR_MINTEMP_BED                 "Err: TEMP MINIMA PIATTO"
+#define MSG_ERR_MAXTEMP_CHAMBER             "MAXTEMP CHAMBER ERROR"
+#define MSG_ERR_MINTEMP_CHAMBER             "MINTEMP CHAMBER ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "giorni"
 #define MSG_END_HOUR                        "ore"
 #define MSG_END_MINUTE                      "minuti"
@@ -241,6 +245,8 @@
 #define MSG_HEATING_COMPLETE                "Riscaldamento finito."
 #define MSG_BED_HEATING                     "Riscaldamento piatto."
 #define MSG_BED_DONE                        "Piatto riscaldato."
+#define MSG_COOLER_COOLING                  "Raffreddamento..."
+#define MSG_COOLER_DONE                     "Raffreddamento finito."
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_kana.h

@@ -183,6 +183,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -219,6 +221,9 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_kana_utf8.h

@@ -186,6 +186,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -222,6 +224,9 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_nl.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -217,6 +219,9 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_pl.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -217,6 +219,9 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_pt-br.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -217,6 +219,9 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_pt-br_utf8.h

@@ -157,12 +157,17 @@
 #define MSG_ERR_MINTEMP                     "Err: T Mínima"
 #define MSG_ERR_MAXTEMP_BED                 "Err: T Base Máxima"
 #define MSG_ERR_MINTEMP_BED                 "Err: T Base Mínima"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_HOUR                        "Horas"
 #define MSG_END_MINUTE                      "Minutos"
 #define MSG_HEATING                         "Aquecendo..."
 #define MSG_HEATING_COMPLETE                "Aquecida."
 #define MSG_BED_HEATING                     "Aquecendo base.."
 #define MSG_BED_DONE                        "Base aquecida."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 #define MSG_DELTA_CALIBRATE                 "Calibrar Delta"
 #define MSG_DELTA_CALIBRATE_X               "Calibrar X"

MK/module/language/language_pt.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -217,6 +219,9 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/language/language_pt_utf8.h

@@ -161,12 +161,17 @@
 #define MSG_ERR_MINTEMP                     "Err: T Mínima"
 #define MSG_ERR_MAXTEMP_BED                 "Err: T Base Máxima"
 #define MSG_ERR_MINTEMP_BED                 "Err: T Base Mínima"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_HOUR                        "horas"
 #define MSG_END_MINUTE                      "minutos"
 #define MSG_HEATING                         "Aquecendo..."
 #define MSG_HEATING_COMPLETE                "Aquecida."
 #define MSG_BED_HEATING                     "Aquecendo base.."
 #define MSG_BED_DONE                        "Base aquecida."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 #define MSG_DELTA_CALIBRATE                 "Calibração Delta"
 #define MSG_DELTA_CALIBRATE_X               "Calibrar X"

MK/module/language/language_ru.h

@@ -181,6 +181,8 @@
 #define MSG_ERR_MINTEMP                     "MINTEMP ERROR"
 #define MSG_ERR_MAXTEMP_BED                 "MAXTEMP BED ERROR"
 #define MSG_ERR_MINTEMP_BED                 "MINTEMP BED ERROR"
+#define MSG_ERR_MAXTEMP_COOLER              "MAXTEMP COOLER ERROR"
+#define MSG_ERR_MINTEMP_COOLER              "MINTEMP COOLER ERROR"
 #define MSG_END_DAY                         "days"
 #define MSG_END_HOUR                        "hours"
 #define MSG_END_MINUTE                      "minutes"
@@ -217,6 +219,9 @@
 #define MSG_HEATING_COMPLETE                "Heating done."
 #define MSG_BED_HEATING                     "Bed Heating."
 #define MSG_BED_DONE                        "Bed done."
+#define MSG_COOLER_COOLING                  "Cooling..."
+#define MSG_COOLER_DONE                     "Cooling done."
+
 
 // Extra
 #define MSG_LASER                           "Laser Preset"

MK/module/laser/base64/base64.cpp

+/**
+ * MK & MK4due 3D Printer Firmware
+ *
+ * Based on Marlin, Sprinter and grbl
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ * Copyright (C) 2013 - 2016 Alberto Cotronei @MagoKimbra
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "base64.h"
+
+const char b64_alphabet[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+		"abcdefghijklmnopqrstuvwxyz"
+		"0123456789+/";
+
+/* 'Private' declarations */
+inline void a3_to_a4(unsigned char * a4, unsigned char * a3);
+inline void a4_to_a3(unsigned char * a3, unsigned char * a4);
+inline unsigned char b64_lookup(char c);
+
+int base64_encode(char *output, char *input, int inputLen) {
+	int i = 0, j = 0;
+	int encLen = 0;
+	unsigned char a3[3];
+	unsigned char a4[4];
+
+	while(inputLen--) {
+		a3[i++] = *(input++);
+		if(i == 3) {
+			a3_to_a4(a4, a3);
+
+			for(i = 0; i < 4; i++) {
+				output[encLen++] = b64_alphabet[a4[i]];
+			}
+
+			i = 0;
+		}
+	}
+
+	if(i) {
+		for(j = i; j < 3; j++) {
+			a3[j] = '\0';
+		}
+
+		a3_to_a4(a4, a3);
+
+		for(j = 0; j < i + 1; j++) {
+			output[encLen++] = b64_alphabet[a4[j]];
+		}
+
+		while((i++ < 3)) {
+			output[encLen++] = '=';
+		}
+	}
+	output[encLen] = '\0';
+	return encLen;
+}
+
+int base64_decode(unsigned char * output, char * input, int inputLen) {
+	int i = 0, j = 0;
+	int decLen = 0;
+	unsigned char a3[3];
+	unsigned char a4[4];
+
+	while (inputLen--) {
+		if(*input == '=') {
+			break;
+		}
+
+		a4[i++] = *(input++);
+		if (i == 4) {
+			for (i = 0; i <4; i++) {
+				a4[i] = b64_lookup(a4[i]);
+			}
+
+			a4_to_a3(a3,a4);
+
+			for (i = 0; i < 3; i++) {
+				output[decLen++] = a3[i];
+			}
+			i = 0;
+		}
+	}
+
+	if (i) {
+		for (j = i; j < 4; j++) {
+			a4[j] = '\0';
+		}
+
+		for (j = 0; j <4; j++) {
+			a4[j] = b64_lookup(a4[j]);
+		}
+
+		a4_to_a3(a3,a4);
+
+		for (j = 0; j < i - 1; j++) {
+			output[decLen++] = a3[j];
+		}
+	}
+	output[decLen] = '\0';
+	return decLen;
+}
+
+int base64_enc_len(int plainLen) {
+	int n = plainLen;
+	return (n + 2 - ((n + 2) % 3)) / 3 * 4;
+}
+
+int base64_dec_len(char * input, int inputLen) {
+	int i = 0;
+	int numEq = 0;
+	for(i = inputLen - 1; input[i] == '='; i--) {
+		numEq++;
+	}
+
+	return ((6 * inputLen) / 8) - numEq;
+}
+
+inline void a3_to_a4(unsigned char * a4, unsigned char * a3) {
+	a4[0] = (a3[0] & 0xfc) >> 2;
+	a4[1] = ((a3[0] & 0x03) << 4) + ((a3[1] & 0xf0) >> 4);
+	a4[2] = ((a3[1] & 0x0f) << 2) + ((a3[2] & 0xc0) >> 6);
+	a4[3] = (a3[2] & 0x3f);
+}
+
+inline void a4_to_a3(unsigned char * a3, unsigned char * a4) {
+	a3[0] = (a4[0] << 2) + ((a4[1] & 0x30) >> 4);
+	a3[1] = ((a4[1] & 0xf) << 4) + ((a4[2] & 0x3c) >> 2);
+	a3[2] = ((a4[2] & 0x3) << 6) + a4[3];
+}
+
+inline unsigned char b64_lookup(char c) {
+	if(c >='A' && c <='Z') return c - 'A';
+	if(c >='a' && c <='z') return c - 71;
+	if(c >='0' && c <='9') return c + 4;
+	if(c == '+') return 62;
+	if(c == '/') return 63;
+	return -1;
+}

MK/module/laser/base64/base64.h

+/**
+ * MK & MK4due 3D Printer Firmware
+ *
+ * Based on Marlin, Sprinter and grbl
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ * Copyright (C) 2013 - 2016 Alberto Cotronei @MagoKimbra
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Copyright (c) 2013 Adam Rudd.
+ * See LICENSE for more information
+ */
+
+#ifndef _BASE64_H
+  #define _BASE64_H
+
+  /* b64_alphabet:
+   * 		Description: Base64 alphabet table, a mapping between integers
+   * 					 and base64 digits
+   * 		Notes: This is an extern here but is defined in Base64.c
+   */
+  extern const char b64_alphabet[];
+
+  /* base64_encode:
+   * 		Description:
+   * 			Encode a string of characters as base64
+   * 		Parameters:
+   * 			output: the output buffer for the encoding, stores the encoded string
+   * 			input: the input buffer for the encoding, stores the binary to be encoded
+   * 			inputLen: the length of the input buffer, in bytes
+   * 		Return value:
+   * 			Returns the length of the encoded string
+   * 		Requirements:
+   * 			1. output must not be null or empty
+   * 			2. input must not be null
+   * 			3. inputLen must be greater than or equal to 0
+   */
+  int base64_encode(char *output, char *input, int inputLen);
+
+  /* base64_decode:
+   * 		Description:
+   * 			Decode a base64 encoded string into bytes
+   * 		Parameters:
+   * 			output: the output buffer for the decoding,
+   * 					stores the decoded binary
+   * 			input: the input buffer for the decoding,
+   * 				   stores the base64 string to be decoded
+   * 			inputLen: the length of the input buffer, in bytes
+   * 		Return value:
+   * 			Returns the length of the decoded string
+   * 		Requirements:
+   * 			1. output must not be null or empty
+   * 			2. input must not be null
+   * 			3. inputLen must be greater than or equal to 0
+   */
+  int base64_decode(unsigned char *output, char *input, int inputLen);
+
+  /* base64_enc_len:
+   * 		Description:
+   * 			Returns the length of a base64 encoded string whose decoded
+   * 			form is inputLen bytes long
+   * 		Parameters:
+   * 			inputLen: the length of the decoded string
+   * 		Return value:
+   * 			The length of a base64 encoded string whose decoded form
+   * 			is inputLen bytes long
+   * 		Requirements:
+   * 			None
+   */
+  int base64_enc_len(int inputLen);
+
+  /* base64_dec_len:
+   * 		Description:
+   * 			Returns the length of the decoded form of a
+   * 			base64 encoded string
+   * 		Parameters:
+   * 			input: the base64 encoded string to be measured
+   * 			inputLen: the length of the base64 encoded string
+   * 		Return value:
+   * 			Returns the length of the decoded form of a
+   * 			base64 encoded string
+   * 		Requirements:
+   * 			1. input must not be null
+   * 			2. input must be greater than or equal to zero
+   */
+  int base64_dec_len(char *input, int inputLen);
+
+#endif // _BASE64_H

MK/module/laser/laser.h

+/**
+ * MK & MK4due 3D Printer Firmware
+ *
+ * Based on Marlin, Sprinter and grbl
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ * Copyright (C) 2013 - 2016 Alberto Cotronei @MagoKimbra
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * laser.cpp - Laser control library for Arduino using 16 bit timers- Version 1
+ * Copyright (c) 2013 Timothy Schmidt.  All right reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef LASER_H
+  #define LASER_H
+
+  #include <inttypes.h>
+
+  // split into planned and status
+  typedef struct {
+    int fired; // method used to ask the laser to fire - LASER_FIRE_G1, LASER_FIRE_SPINDLE, LASER_FIRE_E, etc
+    float intensity; // Laser firing instensity 0.0 - 100.0
+    float ppm; // pulses per millimeter, for pulsed firing mode
+    unsigned long duration; // laser firing duration in microseconds, for pulsed firing mode
+    unsigned long dur; // instantaneous duration
+    bool status; // LASER_ON / LASER_OFF - buffered
+    bool firing; // LASER_ON / LASER_OFF - instantaneous
+    uint8_t mode; // CONTINUOUS, PULSED, RASTER
+    unsigned long last_firing; // microseconds since last laser firing
+    bool diagnostics; // Verbose debugging output over serial
+    unsigned int time; // temporary counter to limit eeprom writes
+    unsigned int lifetime; // laser lifetime firing counter in minutes
+    #if ENABLED(LASER_RASTER)
+      unsigned char raster_data[LASER_MAX_RASTER_LINE];
+      unsigned char rasterlaserpower;
+
+      float raster_aspect_ratio;
+      float raster_mm_per_pulse;
+      int raster_raw_length;
+      int raster_num_pixels;
+      bool raster_direction;
+    #endif // LASER_RASTER
+  } laser_t;
+
+  extern laser_t laser;
+
+  void laser_init();
+  void laser_fire(float intensity);
+  #if ENABLED(LASER_PULSE_METHOD)
+    void laser_pulse(uint32_t ulValue, unsigned long usec);
+  #endif
+  void laser_extinguish();
+  void laser_update_lifetime();
+  void laser_set_mode(int mode);
+  #if ENABLED(LASER_PERIPHERALS)
+    bool laser_peripherals_ok();
+    void laser_peripherals_on();
+    void laser_peripherals_off();
+    void laser_wait_for_peripherals();
+  #endif // LASER_PERIPHERALS
+
+  #ifdef HIGH_TO_FIRE // Some cutters fire on high, some on low.
+    #define LASER_ARM HIGH
+    #define LASER_UNARM LOW
+  #else
+    #define LASER_ARM LOW
+    #define LASER_UNARM HIGH
+  #endif
+
+  // Laser constants
+  #define LASER_OFF 0
+  #define LASER_ON 1
+
+  #define CONTINUOUS 0
+  #define PULSED 1
+  #define RASTER 2
+
+#endif // LASER_H

MK/module/laser/laserbitmaps.h

+/**
+ * MK & MK4due 3D Printer Firmware
+ *
+ * Based on Marlin, Sprinter and grbl
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ * Copyright (C) 2013 - 2016 Alberto Cotronei @MagoKimbra
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#define LASERENABLE_HEIGHT 	20
+#define LASERENABLE_WIDTH	25
+#define LASERENABLE_BYTEWIDTH	4
+const unsigned char laserenable_bmp[] PROGMEM = {
+	0x00, 0x1c, 0x00, 0x00,
+	0x00, 0x3e, 0x00, 0x00,
+	0x00, 0x77, 0x00, 0x00,
+	0x00, 0x63, 0x00, 0x00,
+	0x00, 0xc1, 0x80, 0x00,
+	0x01, 0xc1, 0xc0, 0x00,
+	0x01, 0x88, 0xc0, 0x00,
+	0x03, 0x08, 0x60, 0x00,
+	0x07, 0x41, 0x70, 0x00,
+	0x06, 0x2a, 0x30, 0x00,
+	0x0c, 0x1c, 0x18, 0x00,
+	0x1d, 0xbf, 0xfc, 0x00,
+	0x18, 0x1c, 0x0c, 0x00,
+	0x30, 0x2a, 0x06, 0x00,
+	0x70, 0x41, 0x07, 0x00,
+	0x60, 0x88, 0x83, 0x00,
+	0xc0, 0x08, 0x01, 0x80,
+	0xc0, 0x00, 0x01, 0x80,
+	0xff, 0xff, 0xff, 0x80,
+	0x7f, 0xff, 0xff, 0x00
+};
+
+#define ICON_HEIGHT 	13
+#define ICON_WIDTH	12
+#define ICON_BYTEWIDTH	2
+const unsigned char laseron_bmp[] PROGMEM = {
+	0xff, 0xf0,
+	0x8f, 0x10,
+	0x8f, 0x10,
+	0x9f, 0x90,
+	0x9f, 0x90,
+	0x80, 0x10,
+	0x86, 0x10,
+	0x86, 0x10,
+	0xc6, 0x30,
+	0xa6, 0x50,
+	0x96, 0x90,
+	0xaf, 0x50,
+	0xff, 0xf0
+};
+
+const unsigned char laseroff_bmp[] PROGMEM = {
+	0xff, 0xf0,
+	0x8f, 0x10,
+	0x8f, 0x10,
+	0x9f, 0x90,
+	0x9f, 0x90,
+	0x80, 0x10,
+	0x80, 0x10,
+	0x80, 0x10,
+	0x80, 0x10,
+	0x80, 0x10,
+	0x80, 0x10,
+	0x80, 0x10,
+	0xff, 0xf0
+};
+
+const unsigned char lockicon_bmp[] PROGMEM = {
+	0x0f, 0x00,
+	0x19, 0x80,
+	0x30, 0xc0,
+	0x20, 0x40,
+	0x20, 0x40,
+	0x20, 0x40,
+	0x3f, 0xc0,
+	0x20, 0x40,
+	0x26, 0x40,
+	0x26, 0x40,
+	0x2f, 0x40,
+	0x20, 0x40,
+	0x3f, 0xc0
+};
+
+const unsigned char vacicon_bmp[] PROGMEM = {
+	0x06, 0x00,
+	0x06, 0x00,
+	0x06, 0x00,
+	0x0f, 0x00,
+	0x0f, 0x00,
+	0x1f, 0x80,
+	0x3f, 0xc0,
+	0xff, 0xf0,
+	0xff, 0xf0,
+	0xc0, 0x30,
+	0x16, 0x80,
+	0x29, 0x40,
+	0x50, 0xa0
+};
+
+const unsigned char airicon_bmp[] PROGMEM = {
+	0x32, 0xc0,
+	0x30, 0xc0,
+	0x34, 0xc0,
+	0x30, 0xc0,
+	0x32, 0xc0,
+	0x30, 0xc0,
+	0x34, 0xc0,
+	0x19, 0x80,
+	0x02, 0x00,
+	0x00, 0x00,
+	0x04, 0x00,
+	0x09, 0x00,
+	0x22, 0x40
+};
+
+const unsigned char watericon_bmp[] PROGMEM = {
+	0x02, 0x00,
+	0x07, 0x00,
+	0x05, 0x00,
+	0x0d, 0x80,
+	0x08, 0x80,
+	0x18, 0xc0,
+	0x10, 0x40,
+	0x30, 0x60,
+	0x38, 0x20,
+	0x3c, 0x60,
+	0x3f, 0xe0,
+	0x1f, 0xc0,
+	0x0f, 0x80
+};

MK/module/macros.h

@@ -21,61 +21,61 @@
  */
 
 #ifndef MACROS_H
-#define MACROS_H
+  #define MACROS_H
 
-// Compiler warning on unused varable.
-#define UNUSED(x) (void) (x)
+  // Compiler warning on unused varable.
+  #define UNUSED(x) (void) (x)
 
-// Macros for bit masks
-#ifndef _BV
+  // Macros for bit masks
+  #ifndef _BV
     #define _BV(b) (1<<(b))
-#endif
-#define TEST(n,b) (((n)&_BV(b))!=0)
-#define SBI(n,b) (n |= _BV(b))
-#define CBI(n,b) (n &= ~_BV(b))
-#define SET_BIT(n,b,value) (n) ^= ((-value)^(n)) & (_BV(b))
+  #endif
+  #define TEST(n,b) (((n)&_BV(b))!=0)
+  #define SBI(n,b) (n |= _BV(b))
+  #define CBI(n,b) (n &= ~_BV(b))
+  #define SET_BIT(n,b,value) (n) ^= ((-value)^(n)) & (_BV(b))
 
-// Macros for maths shortcuts
-#ifndef M_PI 
+  // Macros for maths shortcuts
+  #ifndef M_PI 
     #define M_PI 3.1415926536
-#endif
-#define RADIANS(d) ((d)*M_PI/180.0)
-#define DEGREES(r) ((r)*180.0/M_PI)
-#define SIN_60 0.8660254037844386
-#define COS_60 0.5
+  #endif
+  #define RADIANS(d) ((d)*M_PI/180.0)
+  #define DEGREES(r) ((r)*180.0/M_PI)
+  #define SIN_60 0.8660254037844386
+  #define COS_60 0.5
 
-// Macros to support option testing
-#define ENABLED defined
-#define DISABLED !defined
+  // Macros to support option testing
+  #define ENABLED defined
+  #define DISABLED !defined
 
-#define HAS(FE) (HAS_##FE)
-#define HASNT(FE) (!(HAS_##FE))
+  #define HAS(FE) (HAS_##FE)
+  #define HASNT(FE) (!(HAS_##FE))
 
-// Macros to contrain values
-#define NUMERIC(a) ((a) >= '0' && '9' >= (a))
-#define NUMERIC_SIGNED(a) (NUMERIC(a) || (a) == '-')
-#define NOLESS(v,n) do{ if (v < n) v = n; }while(0)
-#define NOMORE(v,n) do{ if (v > n) v = n; }while(0)
-#define COUNT(a) (sizeof(a)/sizeof(*a))
+  // Macros to contrain values
+  #define NUMERIC(a) ((a) >= '0' && '9' >= (a))
+  #define NUMERIC_SIGNED(a) (NUMERIC(a) || (a) == '-')
+  #define NOLESS(v,n) do{ if (v < n) v = n; }while(0)
+  #define NOMORE(v,n) do{ if (v > n) v = n; }while(0)
+  #define COUNT(a) (sizeof(a)/sizeof(*a))
 
-// Function macro
-#define  FORCE_INLINE __attribute__((always_inline)) inline
+  // Function macro
+  #define  FORCE_INLINE __attribute__((always_inline)) inline
 
-// Macro for debugging
-#define DEBUGGING(F) (mk_debug_flags & (DEBUG_## F))
+  // Macro for debugging
+  #define DEBUGGING(F) (mk_debug_flags & (DEBUG_## F))
 
-// Macro for String
-#define STRINGIFY_(n) #n
-#define STRINGIFY(n) STRINGIFY_(n)
+  // Macro for String
+  #define STRINGIFY_(n) #n
+  #define STRINGIFY(n) STRINGIFY_(n)
 
-// Macro for varie
-#define PIN_EXISTS(PN) (defined(PN##_PIN) && PN##_PIN >= 0)
+  // Macro for varie
+  #define PIN_EXISTS(PN) (defined(PN##_PIN) && PN##_PIN >= 0)
 
-#define PENDING(NOW,SOON) ((long)(NOW-(SOON))<0)
-#define ELAPSED(NOW,SOON) (!PENDING(NOW,SOON))
+  #define PENDING(NOW,SOON) ((long)(NOW-(SOON))<0)
+  #define ELAPSED(NOW,SOON) (!PENDING(NOW,SOON))
 
-#define NOOP do{}while(0)
+  #define NOOP do{}while(0)
 
-#define _AXIS(AXIS) AXIS ##_AXIS
+  #define _AXIS(AXIS) AXIS ##_AXIS
 
 #endif //__MACROS_H

MK/module/mechanics.h

@@ -21,18 +21,18 @@
  */
 
 #ifndef MECHANICS_H
-#define MECHANICS_H
+  #define MECHANICS_H
 
-// Macros for mechanics type
-#define MECH_UNKNOWN    -1
-#define MECH_CARTESIAN   0
-#define MECH_COREXY      1
-#define MECH_COREYX      2
-#define MECH_COREXZ      8
-#define MECH_COREZX      9
-#define MECH_DELTA       3
-#define MECH_SCARA       4
+  // Macros for mechanics type
+  #define MECH_UNKNOWN    -1
+  #define MECH_CARTESIAN   0
+  #define MECH_COREXY      1
+  #define MECH_COREYX      2
+  #define MECH_COREXZ      8
+  #define MECH_COREZX      9
+  #define MECH_DELTA       3
+  #define MECH_SCARA       4
 
-#define MECH(mech)  (MECHANISM == MECH_##mech)
+  #define MECH(mech)  (MECHANISM == MECH_##mech)
 
 #endif
\ No newline at end of file

MK/module/motion/endstops.cpp

@@ -162,6 +162,7 @@ void Endstops::report_state() {
         card.closeFile();
         quickStop();
         disable_all_heaters(); // switch off all heaters.
+        disable_all_coolers();
       }
     #endif
   }

MK/module/motion/planner.cpp

@@ -417,9 +417,7 @@ void check_axes_activity() {
     unsigned char tail_valve_pressure = ValvePressure,
                   tail_e_to_p_pressure = EtoPPressure;
   #endif
-  #if ENABLED(LASERBEAM)
-    unsigned char tail_laser_ttl_modulation = laser_ttl_modulation;
-  #endif
+
   block_t* block;
 
   if (blocks_queued()) {
@@ -430,9 +428,6 @@ void check_axes_activity() {
       tail_valve_pressure = block->valve_pressure;
       tail_e_to_p_pressure = block->e_to_p_pressure;
     #endif
-    #if ENABLED(LASERBEAM)
-      tail_laser_ttl_modulation = block_buffer[block_index].laser_ttlmodulation;
-    #endif
 
     while (block_index != block_buffer_head) {
       block = &block_buffer[block_index];
@@ -493,10 +488,6 @@ void check_axes_activity() {
     #endif
   #endif
 
-  // add Laser TTL Modulation(PWM) Control
-  #if ENABLED(LASERBEAM)
-    analogWrite(LASER_TTL_PIN, tail_laser_ttl_modulation);
-  #endif
 }
 
 float junction_deviation = 0.1;
@@ -629,8 +620,10 @@ float junction_deviation = 0.1;
   block->steps[E_AXIS] /= 100;
   block->step_event_count = max(block->steps[X_AXIS], max(block->steps[Y_AXIS], max(block->steps[Z_AXIS], block->steps[E_AXIS])));
 
+  #if DISABLED(LASERBEAM)
     // Bail if this is a zero-length block
     if (block->step_event_count <= DROP_SEGMENTS) return;
+  #endif
 
   block->fan_speed = fanSpeed;
 
@@ -645,11 +638,6 @@ float junction_deviation = 0.1;
       block->mix_event_count[i] = block->steps[E_AXIS] * mixing_factor[i];
   #endif
 
-  // Add update block variables for LASER BEAM control 
-  #if ENABLED(LASERBEAM)
-    block->laser_ttlmodulation = laser_ttl_modulation;
-  #endif
-
   // Compute direction bits for this block 
   uint8_t dirb = 0;
   #if MECH(COREXY) || MECH(COREYX)
@@ -879,6 +867,51 @@ float junction_deviation = 0.1;
       #endif
     );
   }
+
+  #if ENABLED(LASERBEAM)
+    block->laser_intensity = laser.intensity;
+    block->laser_duration = laser.duration;
+    block->laser_status = laser.status;
+    block->laser_mode = laser.mode;
+    // When operating in PULSED or RASTER modes, laser pulsing must operate in sync with movement.
+    // Calculate steps between laser firings (steps_l) and consider that when determining largest
+    // interval between steps for X, Y, Z, E, L to feed to the motion control code.
+    if (laser.mode == RASTER || laser.mode == PULSED) {
+      #if ENABLED(LASER_PULSE_METHOD)
+        // Optimizing. Move calculations here rather than in stepper isr
+        static const float Factor = F_CPU/(LASER_PWM*2*100.0*255.0); 
+        block->laser_raster_intensity_factor = laser.intensity * Factor;
+      #endif
+      block->steps_l = (unsigned long)labs(block->millimeters*laser.ppm);
+      if (laser.mode == RASTER) {
+        for (int i = 0; i < LASER_MAX_RASTER_LINE; i++) {
+          #if (!ENABLED(LASER_PULSE_METHOD))
+            float OldRange, NewRange, NewValue;
+            OldRange = (255.0 - 0.0);
+            NewRange = (laser.rasterlaserpower - LASER_REMAP_INTENSITY); 
+            NewValue = (float)(((((float)laser.raster_data[i] - 0) * NewRange) / OldRange) + LASER_REMAP_INTENSITY);
+
+            //If less than 7%, turn off the laser tube.
+            if(NewValue == LASER_REMAP_INTENSITY)
+              NewValue = 0;
+
+            block->laser_raster_data[i] = NewValue;
+          #else
+            block->laser_raster_data[i] = laser.raster_data[i];
+          #endif
+        }
+      }
+    }
+    else
+      block->steps_l = 0;
+
+    block->step_event_count = max(block->steps[X_AXIS], max(block->steps[Y_AXIS], max(block->steps[Z_AXIS], max(block->steps[E_AXIS], block->steps_l))));
+
+    if (laser.diagnostics && block->laser_status == LASER_ON)
+      ECHO_LM(INFO, "Laser firing enabled");
+
+  #endif // LASERBEAM
+
   float inverse_millimeters = 1.0 / block->millimeters;  // Inverse millimeters to remove multiple divides
 
   // Calculate speed in mm/second for each axis. No divide by zero due to previous checks.

MK/module/motion/planner.h

@@ -100,7 +100,16 @@ typedef struct {
   #endif
 
   #if ENABLED(LASERBEAM)
-    unsigned long laser_ttlmodulation;
+    uint8_t laser_mode; // CONTINUOUS, PULSED, RASTER
+    bool laser_status; // LASER_OFF, LASER_ON
+    float laser_ppm; // pulses per millimeter, for pulsed and raster firing modes
+    unsigned long laser_duration; // laser firing duration in microseconds, for pulsed and raster firing modes
+    unsigned long steps_l; // step count between firings of the laser, for pulsed firing mode
+    float laser_intensity; // Laser firing instensity in clock cycles for the PWM timer
+    #if ENABLED(LASER_RASTER)
+      unsigned char laser_raster_data[LASER_MAX_RASTER_LINE];
+      float laser_raster_intensity_factor;
+    #endif
   #endif 
 
   volatile char busy;
@@ -108,6 +117,8 @@ typedef struct {
 
 #define BLOCK_MOD(n) ((n)&(BLOCK_BUFFER_SIZE-1))
 
+#define MAX_EVENTS_COUNT 2147483648 // max for a signed 32 bit number
+
 // Initialize the motion plan subsystem
 void plan_init();
 

MK/module/motion/stepper.cpp

@@ -68,6 +68,13 @@ block_t* current_block;  // A pointer to the block currently being traced
 static unsigned char last_direction_bits = 0;  // The next stepping-bits to be output
 static unsigned int cleaning_buffer_counter = 0;
 
+#if ENABLED(LASERBEAM)
+  static long counter_L;
+  #if ENABLED(LASER_RASTER)
+    static int counter_raster;
+  #endif // LASER_RASTER
+#endif // LASERBEAM
+
 #if ENABLED(Z_DUAL_ENDSTOPS)
   static bool performing_homing = false,
               locked_z_motor = false,
@@ -114,7 +121,7 @@ static unsigned short OCR1A_nominal;
 static bool check_endstops = true;
 
 volatile long count_position[NUM_AXIS] = { 0 }; // Positions of stepper motors, in step units
-volatile signed char count_direction[NUM_AXIS] = { 1 };
+volatile signed char count_direction[NUM_AXIS] = { 1, 1, 1, 1 };
 
 
 //===========================================================================
@@ -419,6 +426,15 @@ ISR(TIMER1_COMPA_vect) {
     return;
   }
 
+  #if ENABLED(LASERBEAM) && (!ENABLED(LASER_PULSE_METHOD))
+    if (laser.dur != 0 && (laser.last_firing + laser.dur < micros())) {
+      if (laser.diagnostics)
+        ECHO_LM(INFO, "Laser firing duration elapsed, in interrupt handler");
+
+      laser_extinguish();
+    }
+  #endif
+
   // If there is no current block, attempt to pop one from the buffer
   if (!current_block) {
     // Anything in the buffer?
@@ -430,6 +446,13 @@ ISR(TIMER1_COMPA_vect) {
       // Initialize Bresenham counters to 1/2 the ceiling
       counter_X = counter_Y = counter_Z = counter_E = -(current_block->step_event_count >> 1);
 
+      #if ENABLED(LASERBEAM)
+         counter_L = counter_X;
+         #if !ENABLED(LASER_PULSE_METHOD)
+           laser.dur = current_block->laser_duration;
+         #endif
+      #endif
+
       #if ENABLED(COLOR_MIXING_EXTRUDER)
         for (uint8_t i = 0; i < DRIVER_EXTRUDERS; i++)
           counter_m[i] = -(current_block->step_event_count >> 1);
@@ -445,6 +468,10 @@ ISR(TIMER1_COMPA_vect) {
         }
       #endif
 
+      #if ENABLED(LASERBEAM) && ENABLED(LASER_RASTER)
+         if (current_block->laser_mode == RASTER) counter_raster = 0;
+      #endif
+
       // #if ENABLED(ADVANCE)
       //   e_steps[current_block->active_driver] = 0;
       // #endif
@@ -463,6 +490,19 @@ ISR(TIMER1_COMPA_vect) {
       if (endstops.enabled) endstops.update();
     #endif
 
+    // Continuous firing of the laser during a move happens here, PPM and raster happen further down
+    #if ENABLED(LASERBEAM)
+      if (current_block->laser_mode == CONTINUOUS && current_block->laser_status == LASER_ON)
+        laser_fire(current_block->laser_intensity);
+
+      #if !ENABLED(LASER_PULSE_METHOD)
+        if (current_block->laser_status == LASER_OFF) {
+          if (laser.diagnostics) ECHO_LM(INFO,"Laser status set to off, in interrupt handler");
+          laser_extinguish();
+        }
+      #endif
+    #endif
+
     // Take multiple steps per interrupt (For high speed moves)
     for (uint8_t i = 0; i < step_loops; i++) {
 
@@ -557,6 +597,66 @@ ISR(TIMER1_COMPA_vect) {
         #endif
       #endif
 
+      #if ENABLED(LASERBEAM)
+        counter_L += current_block->steps_l;
+        if (counter_L > 0) {
+          if (current_block->laser_mode == PULSED && current_block->laser_status == LASER_ON) { // Pulsed Firing Mode
+            #if ENABLED(LASER_PULSE_METHOD)
+              uint32_t ulValue = current_block->laser_raster_intensity_factor * 255;
+              laser_pulse(ulValue, current_block->laser_duration);
+              laser.time += current_block->laser_duration / 1000; 
+            #else
+              laser_fire(current_block->laser_intensity);
+            #endif
+            if (laser.diagnostics) {
+              ECHO_MV("X: ", counter_X);
+              ECHO_MV("Y: ", counter_Y);
+              ECHO_MV("L: ", counter_L);
+            }
+          }
+          #if ENABLED(LASER_RASTER)
+            if (current_block->laser_mode == RASTER && current_block->laser_status == LASER_ON) { // Raster Firing Mode
+              #if ENABLED(LASER_PULSE_METHOD)
+                uint32_t ulValue = current_block->laser_raster_intensity_factor * 
+                                   current_block->laser_raster_data[counter_raster];
+                laser_pulse(ulValue, current_block->laser_duration);
+                counter_raster++;
+                laser.time += current_block->laser_duration/1000; 
+              #else
+                // For some reason, when comparing raster power to ppm line burns the rasters were around 2% more powerful
+                // going from darkened paper to burning through paper.
+                laser_fire(current_block->laser_raster_data[counter_raster]); 
+              #endif
+              if (laser.diagnostics) ECHO_EMV("Pixel: ", (float)current_block->laser_raster_data[counter_raster]);
+              counter_raster++;
+            }
+          #endif // LASER_RASTER
+          counter_L -= current_block->step_event_count;
+        }
+        #if !ENABLED(LASER_PULSE_METHOD)
+        if (current_block->laser_duration != 0 && (laser.last_firing + current_block->laser_duration < micros())) {
+          if (laser.diagnostics) {
+            ECHO_MV("X: ", counter_X);
+            ECHO_MV(", Y: ", counter_Y);
+            ECHO_MV(", L: ", counter_L);
+            ECHO_MV(", Z: ", counter_L);
+            ECHO_MV(", E: ", counter_E);
+            ECHO_MV(", steps done: ",step_events_completed);
+            ECHO_MV(", event count: ", current_block->step_event_count);
+            ECHO_EM(", <--------------------");
+            ECHO_LM(INFO, "Laser firing duration elapsed, in interrupt fast loop ");
+			 }
+          laser_extinguish();
+        }
+        #endif
+      #endif // LASERBEAM
+
+      // safe check for erroneous calculated events count
+      if(current_block->step_event_count >= MAX_EVENTS_COUNT) {
+         kill_current_block();
+         break;
+      }
+
       step_events_completed++;
       if (step_events_completed >= current_block->step_event_count) break;
     }
@@ -664,6 +764,10 @@ ISR(TIMER1_COMPA_vect) {
     if (step_events_completed >= current_block->step_event_count) {
       current_block = NULL;
       plan_discard_current_block();
+      #if ENABLED(LASERBEAM) && ENABLED(LASER_PULSE_METHOD)
+        if (current_block->laser_mode == CONTINUOUS && current_block->laser_status == LASER_ON)
+          laser_extinguish();
+      #endif
     }
   }
 }

MK/module/nextion/NexHardware.cpp

@@ -65,7 +65,7 @@ bool recvRetNumber(uint32_t *number, uint32_t timeout)
         && temp[7] == 0xFF
         )
     {
-        *number = (temp[4] << 24) | (temp[3] << 16) | (temp[2] << 8) | (temp[1]);
+        *number = ((uint32_t)temp[4] << 24) | ((uint32_t)temp[3] << 16) | ((uint32_t)temp[2] << 8) | ((uint32_t)temp[1]);
         ret = true;
     }
 

MK/module/pins.h

@@ -344,6 +344,26 @@
   #define _E5_PINS
 #endif
 
+#ifndef TEMP_COOLER_PIN
+  #define TEMP_COOLER_PIN -1
+#endif
+
+#ifndef COOLER_PIN
+  #define COOLER_PIN -1
+#endif
+
+#ifndef LASER_PWR_PIN
+  #define LASER_PWR_PIN -1
+#endif
+
+#ifndef LASER_TTL_PIN
+  #define LASER_TTL_PIN -1
+#endif
+
+#ifndef FLOWMETER_PIN
+  #define FLOWMETER_PIN -1
+#endif
+
 #define SENSITIVE_PINS { 0, 1, \
                         X_STEP_PIN, X_DIR_PIN, X_ENABLE_PIN, X_MIN_PIN, X_MAX_PIN, \
                         Y_STEP_PIN, Y_DIR_PIN, Y_ENABLE_PIN, Y_MIN_PIN, Y_MAX_PIN, \
@@ -351,7 +371,10 @@
                         PS_ON_PIN, HEATER_BED_PIN, FAN_PIN, \
                         _H0_PINS _H1_PINS _H2_PINS _H3_PINS \
                         _E0_PINS _E1_PINS _E2_PINS _E3_PINS _E4_PINS _E5_PINS \
-                        analogInputToDigitalPin(TEMP_BED_PIN) \
+                        analogInputToDigitalPin(TEMP_BED_PIN), \
+                        analogInputToDigitalPin(TEMP_COOLER_PIN), \
+                        COOLER_PIN, LASER_PWR_PIN, LASER_TTL_PIN, \
+                        FLOWMETER_PIN \
                        }
 
 #endif //__PINS_H

MK/module/sanitycheck.h

@@ -82,12 +82,18 @@
   #if DISABLED(TEMP_SENSOR_BED)
     #error DEPENDENCY ERROR: Missing setting TEMP_SENSOR_BED
   #endif
-  #if (THERMISTORHEATER_0 == 998) || (THERMISTORHEATER_1 == 998) || (THERMISTORHEATER_2 == 998) || (THERMISTORHEATER_3 == 998) || (THERMISTORBED == 998) //User EXIST table
+  #if DISABLED(TEMP_SENSOR_CHAMBER)
+    #error DEPENDENCY_ERROR: Missing setting TEMP_SENSOR_CHAMBER
+  #endif
+  #if DISABLED(TEMP_SENSOR_COOLER)
+    #error DEPENDENCY_ERROR: Missing setting TEMP_SENSOR_COOLER
+  #endif
+  #if (THERMISTORHEATER_0 == 998) || (THERMISTORHEATER_1 == 998) || (THERMISTORHEATER_2 == 998) || (THERMISTORHEATER_3 == 998) || (THERMISTORBED == 998) || (THERMISTORCHAMBER == 998) || (THERMISTORCOOLER == 998) // User EXIST table
     #if DISABLED(DUMMY_THERMISTOR_998_VALUE)
       #define DUMMY_THERMISTOR_998_VALUE 25
     #endif
   #endif
-  #if (THERMISTORHEATER_0 == 999) || (THERMISTORHEATER_1 == 999) || (THERMISTORHEATER_2 == 999) || (THERMISTORHEATER_3 == 999) || (THERMISTORBED == 999) //User EXIST table
+  #if (THERMISTORHEATER_0 == 999) || (THERMISTORHEATER_1 == 999) || (THERMISTORHEATER_2 == 999) || (THERMISTORHEATER_3 == 999) || (THERMISTORBED == 999) || (THERMISTORCHAMBER == 999) || (THERMISTORCOOLER == 999)// User EXIST table
     #if DISABLED(DUMMY_THERMISTOR_999_VALUE)
       #define DUMMY_THERMISTOR_999_VALUE 25
     #endif
@@ -145,6 +151,28 @@
       #error DEPENDENCY ERROR: Missing setting BED_MINTEMP
     #endif
   #endif
+  #if TEMP_SENSOR_CHAMBER != 0
+    #if DISABLED(CHAMBER_MAXTEMP)
+      #error DEPENDENCY ERROR: Missing setting CHAMBER_MAXTEMP
+    #endif
+    #if DISABLED(CHAMBER_MINTEMP)
+      #error DEPENDENCY ERROR: Missing setting CHAMBER_MINTEMP
+    #endif
+    #if HASNT(HEATER_CHAMBER)
+      #error DEPENDENCY ERROR: Cannot enable TEMP_SENSOR_CHAMBER and not HEATER_CHAMBER_PIN
+    #endif
+  #endif
+  #if TEMP_SENSOR_COOLER != 0
+    #if DISABLED(COOLER_MAXTEMP)
+      #error DEPENDENCY ERROR: Missing setting COOLER_MAXTEMP
+    #endif
+    #if DISABLED(COOLER_MINTEMP)
+      #error DEPENDENCY ERROR: Missing setting COOLER_MINTEMP
+    #endif
+    #if HASNT(COOLER)
+      #error DEPENDENCY ERROR: Cannot enable TEMP_SENSOR_COOLER and not COOLER_PIN
+    #endif
+  #endif
   #if DISABLED(PLA_PREHEAT_HOTEND_TEMP)
     #error DEPENDENCY ERROR: Missing setting PLA_PREHEAT_HOTEND_TEMP
   #endif
@@ -187,7 +215,13 @@
   #if DISABLED(MAX_BED_POWER)
     #error DEPENDENCY ERROR: Missing setting MAX_BED_POWER
   #endif
-  #if ENABLED(PIDTEMP) || ENABLED(PIDTEMPBED)
+  #if DISABLED(MAX_CHAMBER_POWER)
+    #error DEPENDENCY ERROR: Missing setting MAX_CHAMBER_POWER
+  #endif
+  #if DISABLED(MAX_COOLER_POWER)
+    #error DEPENDENCY ERROR: Missing setting MAX_COOLER_POWER
+  #endif
+  #if ENABLED(PIDTEMP) || ENABLED(PIDTEMPBED) || ENABLED(PIDTEMPCHAMBER) || ENABLED(PIDTEMPCOOLER)
     #if DISABLED(MAX_OVERSHOOT_PID_AUTOTUNE)
       #error DEPENDENCY ERROR: Missing setting MAX_OVERSHOOT_PID_AUTOTUNE
     #endif
@@ -223,6 +257,35 @@
       #error DEPENDENCY ERROR: Missing setting DEFAULT_bedKd
     #endif
   #endif
+  #if ENABLED(PIDTEMPCHAMBER)
+    #if DISABLED(PID_CHAMBER_INTEGRAL_DRIVE_MAX)
+       #error DEPENDENCY ERROR: Missing setting PID_CHAMBER_INTEGRAL_DRIVE_MAX
+    #endif
+    #if DISABLED(DEFAULT_chamberKp)
+      #error DEPENDENCY ERROR: Missing setting DEFAULT_chamberKp
+    #endif
+    #if DISABLED(DEFAULT_chamberKi)
+      #error DEPENDENCY ERROR: Missing setting DEFAULT_chamberKi
+    #endif
+    #if DISABLED(DEFAULT_chamberKd)
+      #error DEPENDENCY ERROR: Missing setting DEFAULT_chamberKd
+    #endif
+
+  #endif
+  #if ENABLED(PIDTEMPCOOLER)
+    #if DISABLED(PID_COOLER_INTEGRAL_DRIVE_MAX)
+       #error DEPENDENCY ERROR: Missing setting PID_COOLER_INTEGRAL_DRIVE_MAX
+    #endif
+    #if DISABLED(DEFAULT_coolerKp)
+      #error DEPENDENCY ERROR: Missing setting DEFAULT_coolerKp
+    #endif
+    #if DISABLED(DEFAULT_coolerKi)
+      #error DEPENDENCY ERROR: Missing setting DEFAULT_coolerKi
+    #endif
+    #if DISABLED(DEFAULT_coolerKd)
+      #error DEPENDENCY ERROR: Missing setting DEFAULT_coolerKd
+    #endif
+  #endif
   #if ENABLED(BED_LIMIT_SWITCHING)
     #if DISABLED(BED_HYSTERESIS)
       #error DEPENDENCY ERROR: Missing setting BED_HYSTERESIS
@@ -231,6 +294,22 @@
       #error DEPENDENCY ERROR: Missing setting BED_CHECK_INTERVAL
     #endif
   #endif
+  #if ENABLED(CHAMBER_LIMIT_SWITCHING)
+    #if DISABLED(CHAMBER_HYSTERESIS)
+      #error DEPENDENCY ERROR: Missing setting CHAMBER_HYSTERESIS
+    #endif
+    #if DISABLED(CHAMBER_CHECK_INTERVAL)
+      #error DEPENDENCY ERROR: Missing setting CHAMBER_CHECK_INTERVAL
+    #endif
+  #endif
+  #if ENABLED(COOLER_LIMIT_SWITCHING)
+    #if DISABLED(COOLER_HYSTERESIS)
+      #error DEPENDENCY ERROR: Missing setting COOLER_HYSTERESIS
+    #endif
+    #if DISABLED(COOLER_CHECK_INTERVAL)
+      #error DEPENDENCY ERROR: Missing setting COOLER_CHECK_INTERVAL
+    #endif
+  #endif
   #if ENABLED(THERMAL_PROTECTION_HOTENDS)
     #if DISABLED(THERMAL_PROTECTION_PERIOD)
       #error DEPENDENCY ERROR: Missing setting THERMAL_PROTECTION_PERIOD
@@ -253,6 +332,23 @@
       #error DEPENDENCY ERROR: Missing setting THERMAL_PROTECTION_BED_HYSTERESIS
     #endif
   #endif
+  #if ENABLED(THERMAL_PROTECTION_COOLER)
+    #if DISANLED(THERMAL_PROTECTION_COOLER_PERIOD)
+      #error DEPENDENCY ERROR: Missing setting THERMAL_PROTECTION_COOLER_PERIOD
+    #endif
+    #if DISABLED(THERMAL_PROTECTION_COOLER_HYSTERESIS)
+      #error DEPENDENCY ERROR: Missing setting THERMAL_PROTECTION_COOLER_HYSTERESIS
+    #endif
+    #if ENABLED(THERMAL_PROTECTION_COOLER_WATCHDOG)
+       #if DISABLED(WATCH_TEMP_COOLER_PERIOD)
+         #error DEPENDENCY ERROR: Missing setting WATCH_TEMP_COOLER_PERIOD
+       #endif
+       #if DISABLED(WATCH_TEMP_COOLER_DECREASE)
+         #error DEPENDENCY ERROR: Missing setting WATCH_TEMP_COOLER_DECREASE
+       #endif
+    #endif
+  #endif
+
 
   // Fan
   #if DISABLED(SOFT_PWM_SCALE)
@@ -1762,8 +1858,26 @@
     #error DEPENDENCY ERROR: You must set EXTRUDERS = 2 for DONDOLO
   #endif
 
-  #if ENABLED(LASERBEAM) && (!PIN_EXISTS(LASER_PWR) ||  !PIN_EXISTS(LASER_TTL)) 
-    #error DEPENDENCY ERROR: You have to set LASER_PWR_PIN and LASER_TTL_PIN to a valid pin if you enable LASERBEAM
+  #if ENABLED(LASERBEAM) 
+    #if (!ENABLED(LASER_REMAP_INTENSITY) && ENABLED(LASER_RASTER))
+      #error DEPENDENCY ERROR: You have to set LASER_REMAP_INTENSITY with LASER_RASTER enabled
+    #endif
+    #if (!ENABLED(LASER_CONTROL) || ((LASER_CONTROL != 1) && (LASER_CONTROL != 2)))
+       #error DEPENDENCY ERROR: You have to set LASER_CONTROL to 1 or 2
+    #else
+      #if(LASER_CONTROL == 1)
+        #if( !PIN_EXISTS(LASER_PWR))
+          #error DEPENDENCY ERROR: You have to set LASER_PWR_PIN
+        #endif
+      #else
+        #if( !PIN_EXISTS(LASER_PWR) || !PIN_EXISTS(LASER_TTL))
+          #error DEPENDENCY ERROR: You have to set LASER_PWR_PIN and LASER_TTL_PIN to a valid pin if you enable LASER
+        #endif
+      #endif
+    #endif
+    #if DISABLED(LASER_HAS_FOCUS)
+      #error DEPENDENCY ERROR: Missing LASER_HAS_FOCUS setting
+    #endif
   #endif
 
   #if ENABLED(FILAMENT_RUNOUT_SENSOR) && !PIN_EXISTS(FILRUNOUT)
@@ -1774,6 +1888,10 @@
     #error DEPENDENCY ERROR: You have to set FILWIDTH_PIN to a valid pin if you enable FILAMENT_SENSOR
   #endif
 
+  #if ENABLED(FILAMENT_SENSOR) && !PIN_EXISTS(FLOWMETER)
+    #error DEPENDENCY ERROR: You have to set FLOWMETER_PIN to a valid pin if you enable FLOWMETER_SENSOR
+  #endif
+
   #if ENABLED(POWER_CONSUMPTION) && !PIN_EXISTS(POWER_CONSUMPTION)
     #error DEPENDENCY ERROR: You have to set POWER_CONSUMPTION_PIN to a valid pin if you enable POWER_CONSUMPTION
   #endif

MK/module/sensor/flowmeter.cpp

+/**
+ * MK & MK4due 3D Printer Firmware
+ *
+ * Based on Marlin, Sprinter and grbl
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ * Copyright (C) 2013 - 2016 Alberto Cotronei @MagoKimbra
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * flowmeter.h - Flowmeter control library for Arduino - Version 1
+ * Copyright (c) 2016 Franco (nextime) Lanza.  All right reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "../../base.h"
+#include <Arduino.h>
+
+#if ENABLED(FLOWMETER_SENSOR)
+
+  volatile int flowrate_pulsecount;  
+  float flowrate;
+  static millis_t flowmeter_timer = 0;
+  static millis_t lastflow = 0;
+  void flowrate_pulsecounter();
+
+  void flow_init() {
+    flowrate = 0;
+    flowrate_pulsecount = 0;
+    pinMode(FLOWMETER_PIN, INPUT);
+
+    attachInterrupt(digitalPinToInterrupt(FLOWMETER_PIN), flowrate_pulsecounter, FALLING);
+  }
+
+  void flowrate_manage() {
+    millis_t  now;
+    now = millis();
+    if(ELAPSED(now, flowmeter_timer)) {
+      detachInterrupt(digitalPinToInterrupt(FLOWMETER_PIN));
+      flowrate  = (float)(((1000.0 / (float)((float)now - (float)lastflow)) * (float)flowrate_pulsecount) / (float)FLOWMETER_CALIBRATION);
+      #if ENABLED(FLOWMETER_DEBUG)
+        ECHO_M(" FLOWMETER DEBUG ");
+        ECHO_MV(" flowrate:", flowrate);
+        ECHO_MV(" flowrate_pulsecount:", flowrate_pulsecount);
+        ECHO_EMV(" CALIBRATION:", FLOWMETER_CALIBRATION);
+      #endif
+      flowmeter_timer = now + 1000UL;
+      lastflow = now;
+      flowrate_pulsecount = 0;
+      attachInterrupt(digitalPinToInterrupt(FLOWMETER_PIN), flowrate_pulsecounter, FALLING);
+    }
+  }
+
+  float get_flowrate() {
+    return flowrate;
+  }
+
+  void flowrate_pulsecounter() {
+    // Increment the pulse counter
+    flowrate_pulsecount++;
+  }
+
+#endif // FLOWMETER_SENSOR

MK/module/sensor/flowmeter.h

+/**
+ * MK & MK4due 3D Printer Firmware
+ *
+ * Based on Marlin, Sprinter and grbl
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ * Copyright (C) 2013 - 2016 Alberto Cotronei @MagoKimbra
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * flowmeter.h - Flowmeter control library for Arduino - Version 1
+ * Copyright (c) 2016 Franco (nextime) Lanza.  All right reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef FLOWMETER_H
+  #define FLOWMETER_H
+
+  #define FLOWMETER_CALIBRATION (FLOWMETER_MAXFREQ / FLOWMETER_MAXFLOW)
+
+  #if ENABLED(FLOWMETER_SENSOR)
+  void flowrate_manage();
+  void flow_init();
+  float get_flowrate();
+  #endif
+
+#endif // FLOWMETER_H

MK/module/temperature/temperature.h

@@ -45,7 +45,7 @@
 
 // public functions
 void tp_init();  //initialize the heating
-void manage_heater(); //it is critical that this is called periodically.
+void manage_temp_controller(); //it is critical that this is called periodically.
 
 #if ENABLED(FILAMENT_SENSOR)
   // For converting raw Filament Width to milimeters
@@ -69,12 +69,20 @@ void manage_heater(); //it is critical that this is called periodically.
 // do not use these routines and variables outside of temperature.cpp
 extern int target_temperature[4];
 extern float current_temperature[4];
+extern int target_temperature_bed;
+extern float current_temperature_bed;
+extern int target_temperature_chamber;
+extern float current_temperature_chamber;
+extern int target_temperature_cooler;
+extern float current_temperature_cooler;
+
 #if ENABLED(SHOW_TEMP_ADC_VALUES)
   extern int current_temperature_raw[4];
   extern int current_temperature_bed_raw;
+  extern int current_temperature_chamber_raw;
+  extern int current_temperature_cooler_raw;
 #endif
-extern int target_temperature_bed;
-extern float current_temperature_bed;
+
 #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
   extern float redundant_temperature;
 #endif
@@ -92,7 +100,15 @@ extern float current_temperature_bed;
   extern float bedKp, bedKi, bedKd;
 #endif
 
-#if ENABLED(PIDTEMP) || ENABLED(PIDTEMPBED)
+#if ENABLED(PIDTEMPCHAMBER)
+  extern float chamberKp, chamberKi, chamberKd;
+#endif
+
+#if ENABLED(PIDTEMPCOOLER)
+  extern float coolerKp, coolerKi, coolerKd;
+#endif
+
+#if ENABLED(PIDTEMP) || ENABLED(PIDTEMPBED) || ENABLED(PIDTEMPCHAMBER) || ENABLED(PIDTEMPCOOLER)
   float scalePID_i(float i);
   float scalePID_d(float d);
   float unscalePID_i(float i);
@@ -114,14 +130,20 @@ extern float current_temperature_bed;
 
 FORCE_INLINE float degHotend(uint8_t hotend) { return current_temperature[HOTEND_ARG]; }
 FORCE_INLINE float degBed() { return current_temperature_bed; }
+FORCE_INLINE float degChamber() { return current_temperature_chamber; }
+FORCE_INLINE float degCooler() { return current_temperature_cooler; }
 
 #if ENABLED(SHOW_TEMP_ADC_VALUES)
   FORCE_INLINE float rawHotendTemp(uint8_t hotend) { return current_temperature_raw[HOTEND_ARG]; }
   FORCE_INLINE float rawBedTemp() { return current_temperature_bed_raw; }
+  FORCE_INLINE float rawChamberTemp() { return current_temperature_chamber_raw; }
+  FORCE_INLINE float rawCoolerTemp() { return current_temperature_cooler_raw; }
 #endif
 
 FORCE_INLINE float degTargetHotend(uint8_t hotend) { return target_temperature[HOTEND_ARG]; }
 FORCE_INLINE float degTargetBed() { return target_temperature_bed; }
+FORCE_INLINE float degTargetChamber() { return target_temperature_chamber; }
+FORCE_INLINE float degTargetCooler() { return target_temperature_cooler; }
 
 #if ENABLED(THERMAL_PROTECTION_HOTENDS)
   void start_watching_heater(int h = 0);
@@ -131,6 +153,14 @@ FORCE_INLINE float degTargetBed() { return target_temperature_bed; }
   void start_watching_bed();
 #endif
 
+#if ENABLED(THERMAL_PROTECTION_CHAMBER)
+  void start_watching_chamber();
+#endif
+
+#if ENABLED(THERMAL_PROTECTION_COOLER)
+  void start_watching_cooler();
+#endif
+
 FORCE_INLINE void setTargetHotend(const float& celsius, uint8_t hotend) {
   target_temperature[HOTEND_ARG] = celsius;
   #if ENABLED(THERMAL_PROTECTION_HOTENDS)
@@ -145,11 +175,29 @@ FORCE_INLINE void setTargetBed(const float& celsius) {
   #endif
 }
 
+FORCE_INLINE void setTargetChamber(const float& celsius) {
+  target_temperature_chamber = celsius;
+  #if ENABLED(THERMAL_PROTECTION_CHAMBER)
+    start_watching_chamber();
+  #endif
+}
+
+FORCE_INLINE void setTargetCooler(const float& celsius) {
+  target_temperature_cooler = celsius;
+  #if ENABLED(THERMAL_PROTECTION_COOLER)
+    start_watching_cooler();
+  #endif
+}
+
 FORCE_INLINE bool isHeatingHotend(uint8_t hotend) { return target_temperature[HOTEND_ARG] > current_temperature[HOTEND_ARG]; }
 FORCE_INLINE bool isHeatingBed() { return target_temperature_bed > current_temperature_bed; }
+FORCE_INLINE bool isHeatingChamber() { return target_temperature_chamber > current_temperature_chamber; }
+FORCE_INLINE bool isHeatingCooler() { return target_temperature_cooler > current_temperature_cooler; } 
 
 FORCE_INLINE bool isCoolingHotend(uint8_t hotend) { return target_temperature[HOTEND_ARG] < current_temperature[HOTEND_ARG]; }
 FORCE_INLINE bool isCoolingBed() { return target_temperature_bed < current_temperature_bed; }
+FORCE_INLINE bool isCoolingChamber() { return target_temperature_chamber < current_temperature_chamber; }
+FORCE_INLINE bool isCoolingCooler() { return target_temperature_cooler < current_temperature_cooler; } 
 
 #define HOTEND_ROUTINES(NR) \
   FORCE_INLINE float degHotend##NR() { return degHotend(NR); } \
@@ -175,11 +223,17 @@ HOTEND_ROUTINES(0);
 #endif
 
 int getHeaterPower(int heater);
+int getBedPower();
+int getChamberPower();
+int getCoolerPower();
+unsigned char getPwmCooler(bool soft);
+
 void disable_all_heaters();
+void disable_all_coolers();
 void updatePID();
 
-#if  HAS(PID_HEATING)
-  void PID_autotune(float temp, int hotend, int ncycles, bool set_result = false);
+#if HAS(PID_HEATING) || HAS(PID_COOLING)
+  void PID_autotune(float temp, int temp_controller, int ncycles, bool set_result = false);
 #endif
 
 void setExtruderAutoFanState(int pin, bool state);

README.md

@@ -46,6 +46,8 @@ Added total filament printed writed in SD CARD.
 Added anti extruder idle oozing system.
 Added Hysteresis and Z-Wobble correction (only cartesian printers).
 Added support reader TAG width MFRC522
+Added Cooler and Hot Chamber
+Added Laser beam, raset
 
 ## Credits