marlin/Marlin/Conditionals.h

/**
 * Marlin 3D Printer Firmware
 * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
 *
 * Based on Sprinter and grbl.
 * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
 *
 * 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/>.
 *
 */

/**
 * Conditionals.h
 * Defines that depend on configuration but are not editable.
 */

#ifndef CONDITIONALS_H

/**
* Miscellaneous
*/
#ifndef M_PI
  #define M_PI 3.1415926536
#endif

/**
 * This value is used by M109 when tying to calculate a ballpark safe margin
 * to prevent wait-forever situation.
 */
#ifndef EXTRUDE_MINTEMP
 #define EXTRUDE_MINTEMP 170
#endif

#ifndef CONFIGURATION_LCD // Get the LCD defines which are needed first
#define CONFIGURATION_LCD

  #define LCD_HAS_DIRECTIONAL_BUTTONS (BUTTON_EXISTS(UP) || BUTTON_EXISTS(DWN) || BUTTON_EXISTS(LFT) || BUTTON_EXISTS(RT))

  #if ENABLED(CARTESIO_UI)
    #define DOGLCD
    #define ULTIPANEL
    #define NEWPANEL
    #define DEFAULT_LCD_CONTRAST 90
    #define LCD_CONTRAST_MIN 60
    #define LCD_CONTRAST_MAX 140
  #endif

  #if ENABLED(MAKRPANEL) || ENABLED(MINIPANEL)
    #define DOGLCD
    #define ULTIPANEL
    #define NEWPANEL
    #define DEFAULT_LCD_CONTRAST 17
  #endif

  #if ENABLED(miniVIKI) || ENABLED(VIKI2) || ENABLED(ELB_FULL_GRAPHIC_CONTROLLER)
    #define ULTRA_LCD  //general LCD support, also 16x2
    #define DOGLCD  // Support for SPI LCD 128x64 (Controller ST7565R graphic Display Family)
    #define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.

    #if ENABLED(miniVIKI)
      #define LCD_CONTRAST_MIN  75
      #define LCD_CONTRAST_MAX 115
      #define DEFAULT_LCD_CONTRAST 95
    #elif ENABLED(VIKI2)
      #define DEFAULT_LCD_CONTRAST 40
    #elif ENABLED(ELB_FULL_GRAPHIC_CONTROLLER)
      #define LCD_CONTRAST_MIN  90
      #define LCD_CONTRAST_MAX 130
      #define DEFAULT_LCD_CONTRAST 110
      #define U8GLIB_LM6059_AF
      #define SD_DETECT_INVERTED
    #endif

    #define ENCODER_PULSES_PER_STEP 4
    #define ENCODER_STEPS_PER_MENU_ITEM 1
  #endif

  // Generic support for SSD1306 / SH1106 OLED based LCDs.
  #if ENABLED(U8GLIB_SSD1306) || ENABLED(U8GLIB_SH1106)
    #define ULTRA_LCD  //general LCD support, also 16x2
    #define DOGLCD  // Support for I2C LCD 128x64 (Controller SSD1306 / SH1106 graphic Display Family)
  #endif

  #if ENABLED(PANEL_ONE) || ENABLED(U8GLIB_SH1106)
    #define ULTIMAKERCONTROLLER
  #endif

  #if ENABLED(BQ_LCD_SMART_CONTROLLER)
    #define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER

    #ifndef ENCODER_PULSES_PER_STEP
      #define ENCODER_PULSES_PER_STEP 4
    #endif

    #ifndef ENCODER_STEPS_PER_MENU_ITEM
      #define ENCODER_STEPS_PER_MENU_ITEM 1
    #endif

    #ifndef LONG_FILENAME_HOST_SUPPORT
      #define LONG_FILENAME_HOST_SUPPORT
    #endif
  #endif

  #if ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER)
    #define DOGLCD
    #define U8GLIB_ST7920
    #define REPRAP_DISCOUNT_SMART_CONTROLLER
  #endif

  #if ENABLED(ULTIMAKERCONTROLLER) || ENABLED(REPRAP_DISCOUNT_SMART_CONTROLLER) || ENABLED(G3D_PANEL) || ENABLED(RIGIDBOT_PANEL) || ENABLED(REPRAPWORLD_KEYPAD)
    #define ULTIPANEL
    #define NEWPANEL
  #endif

  #if ENABLED(RA_CONTROL_PANEL)
    #define LCD_I2C_TYPE_PCA8574
    #define LCD_I2C_ADDRESS 0x27   // I2C Address of the port expander
    #define ULTIPANEL
    #define NEWPANEL
  #endif

  /**
   * I2C PANELS
   */

  #if ENABLED(LCD_I2C_SAINSMART_YWROBOT)
    // This uses the LiquidCrystal_I2C library ( https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/Home )
    // Make sure it is placed in the Arduino libraries directory.
    #define LCD_I2C_TYPE_PCF8575
    #define LCD_I2C_ADDRESS 0x27   // I2C Address of the port expander
    #define ULTIPANEL
    #define NEWPANEL
  #endif

  // PANELOLU2 LCD with status LEDs, separate encoder and click inputs
  #if ENABLED(LCD_I2C_PANELOLU2)
    #define LCD_I2C_TYPE_MCP23017
    #define LCD_I2C_ADDRESS 0x20 // I2C Address of the port expander
    #define LCD_USE_I2C_BUZZER //comment out to disable buzzer on LCD

    #ifndef ENCODER_PULSES_PER_STEP
      #define ENCODER_PULSES_PER_STEP 4
    #endif

    #ifndef ENCODER_STEPS_PER_MENU_ITEM
      #define ENCODER_STEPS_PER_MENU_ITEM 1
    #endif

    #define ULTIPANEL
    #define NEWPANEL
  #endif

  // Panucatt VIKI LCD with status LEDs, integrated click & L/R/U/P buttons, separate encoder inputs
  #if ENABLED(LCD_I2C_VIKI)
    // This uses the LiquidTWI2 library v1.2.3 or later ( https://github.com/lincomatic/LiquidTWI2 )
    // Make sure the LiquidTWI2 directory is placed in the Arduino or Sketchbook libraries subdirectory.
    // Note: The pause/stop/resume LCD button pin should be connected to the Arduino
    //       BTN_ENC pin (or set BTN_ENC to -1 if not used)
    #define LCD_I2C_TYPE_MCP23017
    #define LCD_I2C_ADDRESS 0x20 // I2C Address of the port expander
    #define LCD_USE_I2C_BUZZER //comment out to disable buzzer on LCD (requires LiquidTWI2 v1.2.3 or later)
    #define ULTIPANEL
    #define NEWPANEL
  #endif

  // Shift register panels
  // ---------------------
  // 2 wire Non-latching LCD SR from:
  // https://bitbucket.org/fmalpartida/new-liquidcrystal/wiki/schematics#!shiftregister-connection

  #if ENABLED(SAV_3DLCD)
    #define SR_LCD_2W_NL    // Non latching 2 wire shift register
    #define ULTIPANEL
    #define NEWPANEL
  #endif

  #if ENABLED(DOGLCD) // Change number of lines to match the DOG graphic display
    #ifndef LCD_WIDTH
      #define LCD_WIDTH 22
    #endif
    #ifndef LCD_HEIGHT
      #define LCD_HEIGHT 5
    #endif
  #endif

  #if ENABLED(ULTIPANEL)
    #define NEWPANEL  //enable this if you have a click-encoder panel
    #define ULTRA_LCD
    #ifndef LCD_WIDTH
      #define LCD_WIDTH 20
    #endif
    #ifndef LCD_HEIGHT
      #define LCD_HEIGHT 4
    #endif
  #else //no panel but just LCD
    #if ENABLED(ULTRA_LCD)
      #ifndef LCD_WIDTH
        #define LCD_WIDTH 16
      #endif
      #ifndef LCD_HEIGHT
        #define LCD_HEIGHT 2
      #endif
    #endif
  #endif

  #if ENABLED(DOGLCD)
    /* Custom characters defined in font dogm_font_data_Marlin_symbols.h / Marlin_symbols.fon */
    // \x00 intentionally skipped to avoid problems in strings
    #define LCD_STR_REFRESH     "\x01"
    #define LCD_STR_FOLDER      "\x02"
    #define LCD_STR_ARROW_RIGHT "\x03"
    #define LCD_STR_UPLEVEL     "\x04"
    #define LCD_STR_CLOCK       "\x05"
    #define LCD_STR_FEEDRATE    "\x06"
    #define LCD_STR_BEDTEMP     "\x07"
    #define LCD_STR_THERMOMETER "\x08"
    #define LCD_STR_DEGREE      "\x09"

    #define LCD_STR_SPECIAL_MAX '\x09'
    // Maximum here is 0x1f because 0x20 is ' ' (space) and the normal charsets begin.
    // Better stay below 0x10 because DISPLAY_CHARSET_HD44780_WESTERN begins here.
  #else
    /* Custom characters defined in the first 8 characters of the LCD */
    #define LCD_STR_BEDTEMP     "\x00"  // Print only as a char. This will have 'unexpected' results when used in a string!
    #define LCD_STR_DEGREE      "\x01"
    #define LCD_STR_THERMOMETER "\x02"
    #define LCD_STR_UPLEVEL     "\x03"
    #define LCD_STR_REFRESH     "\x04"
    #define LCD_STR_FOLDER      "\x05"
    #define LCD_STR_FEEDRATE    "\x06"
    #define LCD_STR_CLOCK       "\x07"
    #define LCD_STR_ARROW_RIGHT ">"  /* from the default character set */
  #endif

  /**
   * Default LCD contrast for dogm-like LCD displays
   */
  #if ENABLED(DOGLCD)

    #define HAS_LCD_CONTRAST ( \
        ENABLED(MAKRPANEL) \
     || ENABLED(CARTESIO_UI) \
     || ENABLED(VIKI2) \
     || ENABLED(miniVIKI) \
     || ENABLED(ELB_FULL_GRAPHIC_CONTROLLER) \
    )

    #if HAS_LCD_CONTRAST
      #ifndef LCD_CONTRAST_MIN
        #define LCD_CONTRAST_MIN 0
      #endif
      #ifndef LCD_CONTRAST_MAX
        #define LCD_CONTRAST_MAX 63
      #endif
      #ifndef DEFAULT_LCD_CONTRAST
        #define DEFAULT_LCD_CONTRAST 32
      #endif
    #endif
  #endif

  #ifndef BOOTSCREEN_TIMEOUT
    #define BOOTSCREEN_TIMEOUT 2500
  #endif

#else // CONFIGURATION_LCD

  #define CONDITIONALS_H

  #include "pins.h"

  #ifndef USBCON
    #define HardwareSerial_h // trick to disable the standard HWserial
  #endif

  #if ENABLED(EMERGENCY_PARSER)
    #define EMERGENCY_PARSER_CAPABILITIES " EMERGENCY_CODES:M108,M112,M410"
  #else
    #define EMERGENCY_PARSER_CAPABILITIES ""
  #endif

  #include "Arduino.h"

  /**
   * Set ENDSTOPPULLUPS for unused endstop switches
   */
  #if ENABLED(ENDSTOPPULLUPS)
    #if ENABLED(USE_XMAX_PLUG)
      #define ENDSTOPPULLUP_XMAX
    #endif
    #if ENABLED(USE_YMAX_PLUG)
      #define ENDSTOPPULLUP_YMAX
    #endif
    #if ENABLED(USE_ZMAX_PLUG)
      #define ENDSTOPPULLUP_ZMAX
    #endif
    #if ENABLED(USE_XMIN_PLUG)
      #define ENDSTOPPULLUP_XMIN
    #endif
    #if ENABLED(USE_YMIN_PLUG)
      #define ENDSTOPPULLUP_YMIN
    #endif
    #if ENABLED(USE_ZMIN_PLUG)
      #define ENDSTOPPULLUP_ZMIN
    #endif
    #if DISABLED(DISABLE_Z_MIN_PROBE_ENDSTOP)
      #define ENDSTOPPULLUP_ZMIN_PROBE
    #endif
  #endif

  /**
   * Axis lengths
   */
  #define X_MAX_LENGTH (X_MAX_POS - (X_MIN_POS))
  #define Y_MAX_LENGTH (Y_MAX_POS - (Y_MIN_POS))
  #define Z_MAX_LENGTH (Z_MAX_POS - (Z_MIN_POS))

  /**
   * CoreXY and CoreXZ
   */
  #if ENABLED(COREXY)
    #define CORE_AXIS_1 A_AXIS // XY from A + B
    #define CORE_AXIS_2 B_AXIS
    #define NORMAL_AXIS Z_AXIS
  #elif ENABLED(COREXZ)
    #define CORE_AXIS_1 A_AXIS // XZ from A + C
    #define CORE_AXIS_2 C_AXIS
    #define NORMAL_AXIS Y_AXIS
  #elif ENABLED(COREYZ)
    #define CORE_AXIS_1 B_AXIS // YZ from B + C
    #define CORE_AXIS_2 C_AXIS
    #define NORMAL_AXIS X_AXIS
  #endif

  /**
   * SCARA
   */
  #if ENABLED(SCARA)
    #undef SLOWDOWN
    #define QUICK_HOME //SCARA needs Quickhome
  #endif

  /**
   * AUTOSET LOCATIONS OF LIMIT SWITCHES
   */
  #if ENABLED(MANUAL_HOME_POSITIONS)  // Use manual limit switch locations
    #define X_HOME_POS MANUAL_X_HOME_POS
    #define Y_HOME_POS MANUAL_Y_HOME_POS
    #define Z_HOME_POS MANUAL_Z_HOME_POS
  #else //!MANUAL_HOME_POSITIONS – Use home switch positions based on homing direction and travel limits
    #if ENABLED(BED_CENTER_AT_0_0)
      #define X_HOME_POS (X_MAX_LENGTH) * (X_HOME_DIR) * 0.5
      #define Y_HOME_POS (Y_MAX_LENGTH) * (Y_HOME_DIR) * 0.5
    #else
      #define X_HOME_POS (X_HOME_DIR < 0 ? X_MIN_POS : X_MAX_POS)
      #define Y_HOME_POS (Y_HOME_DIR < 0 ? Y_MIN_POS : Y_MAX_POS)
    #endif
    #define Z_HOME_POS (Z_HOME_DIR < 0 ? Z_MIN_POS : Z_MAX_POS)
  #endif //!MANUAL_HOME_POSITIONS

  /**
   * The BLTouch Probe emulates a servo probe
   */
  #if ENABLED(BLTOUCH)
    #undef Z_ENDSTOP_SERVO_NR
    #undef Z_SERVO_ANGLES
    #define Z_ENDSTOP_SERVO_NR 0
    #define Z_SERVO_ANGLES {10,90} // For BLTouch 10=deploy, 90=retract
    #undef DEACTIVATE_SERVOS_AFTER_MOVE
    #if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
      #undef Z_MIN_ENDSTOP_INVERTING
      #define Z_MIN_ENDSTOP_INVERTING false
    #endif
  #endif

  /**
   * Auto Bed Leveling and Z Probe Repeatability Test
   */
  #define HAS_PROBING_PROCEDURE (ENABLED(AUTO_BED_LEVELING_FEATURE) || ENABLED(Z_MIN_PROBE_REPEATABILITY_TEST))

  // Boundaries for probing based on set limits
  #define MIN_PROBE_X (max(X_MIN_POS, X_MIN_POS + X_PROBE_OFFSET_FROM_EXTRUDER))
  #define MAX_PROBE_X (min(X_MAX_POS, X_MAX_POS + X_PROBE_OFFSET_FROM_EXTRUDER))
  #define MIN_PROBE_Y (max(Y_MIN_POS, Y_MIN_POS + Y_PROBE_OFFSET_FROM_EXTRUDER))
  #define MAX_PROBE_Y (min(Y_MAX_POS, Y_MAX_POS + Y_PROBE_OFFSET_FROM_EXTRUDER))

  #define HAS_Z_SERVO_ENDSTOP (defined(Z_ENDSTOP_SERVO_NR) && Z_ENDSTOP_SERVO_NR >= 0)

  /**
   * Z Sled Probe requires Z_SAFE_HOMING
   */
  #if ENABLED(Z_PROBE_SLED)
    #define Z_SAFE_HOMING
  #endif

  /**
   * Safe Homing Options
   */
  #if ENABLED(Z_SAFE_HOMING)
    #ifndef Z_SAFE_HOMING_X_POINT
      #define Z_SAFE_HOMING_X_POINT ((X_MIN_POS + X_MAX_POS) / 2)
    #endif
    #ifndef Z_SAFE_HOMING_Y_POINT
      #define Z_SAFE_HOMING_Y_POINT ((Y_MIN_POS + Y_MAX_POS) / 2)
    #endif
  #endif

  /**
   * Host keep alive
   */
  #ifndef DEFAULT_KEEPALIVE_INTERVAL
    #define DEFAULT_KEEPALIVE_INTERVAL 2
  #endif

  /**
   * MAX_STEP_FREQUENCY differs for TOSHIBA
   */
  #if ENABLED(CONFIG_STEPPERS_TOSHIBA)
    #define MAX_STEP_FREQUENCY 10000 // Max step frequency for Toshiba Stepper Controllers
  #else
    #define MAX_STEP_FREQUENCY 40000 // Max step frequency for Ultimaker (5000 pps / half step)
  #endif

  // MS1 MS2 Stepper Driver Microstepping mode table
  #define MICROSTEP1 LOW,LOW
  #define MICROSTEP2 HIGH,LOW
  #define MICROSTEP4 LOW,HIGH
  #define MICROSTEP8 HIGH,HIGH
  #define MICROSTEP16 HIGH,HIGH

  /**
   * Advance calculated values
   */
  #if ENABLED(ADVANCE)
    #define EXTRUSION_AREA (0.25 * (D_FILAMENT) * (D_FILAMENT) * M_PI)
    #define STEPS_PER_CUBIC_MM_E (axis_steps_per_mm[E_AXIS] / (EXTRUSION_AREA))
  #endif

  #if ENABLED(ULTIPANEL) && DISABLED(ELB_FULL_GRAPHIC_CONTROLLER)
    #undef SD_DETECT_INVERTED
  #endif

  /**
   * Set defaults for missing (newer) options
   */
  #ifndef DISABLE_INACTIVE_X
    #define DISABLE_INACTIVE_X DISABLE_X
  #endif
  #ifndef DISABLE_INACTIVE_Y
    #define DISABLE_INACTIVE_Y DISABLE_Y
  #endif
  #ifndef DISABLE_INACTIVE_Z
    #define DISABLE_INACTIVE_Z DISABLE_Z
  #endif
  #ifndef DISABLE_INACTIVE_E
    #define DISABLE_INACTIVE_E DISABLE_E
  #endif

  // Power Signal Control Definitions
  // By default use ATX definition
  #ifndef POWER_SUPPLY
    #define POWER_SUPPLY 1
  #endif
  #if (POWER_SUPPLY == 1)     // 1 = ATX
    #define PS_ON_AWAKE  LOW
    #define PS_ON_ASLEEP HIGH
  #elif (POWER_SUPPLY == 2)   // 2 = X-Box 360 203W
    #define PS_ON_AWAKE  HIGH
    #define PS_ON_ASLEEP LOW
  #endif
  #define HAS_POWER_SWITCH (POWER_SUPPLY > 0 && PIN_EXISTS(PS_ON))

  /**
   * Temp Sensor defines
   */
  #if TEMP_SENSOR_0 == -3
    #define HEATER_0_USES_MAX6675
    #define MAX6675_IS_MAX31855
  #elif TEMP_SENSOR_0 == -2
    #define HEATER_0_USES_MAX6675
  #elif TEMP_SENSOR_0 == -1
    #define HEATER_0_USES_AD595
  #elif TEMP_SENSOR_0 == 0
    #undef HEATER_0_MINTEMP
    #undef HEATER_0_MAXTEMP
  #elif TEMP_SENSOR_0 > 0
    #define THERMISTORHEATER_0 TEMP_SENSOR_0
    #define HEATER_0_USES_THERMISTOR
  #endif

  #if TEMP_SENSOR_1 <= -2
    #error "MAX6675 / MAX31855 Thermocouples not supported for TEMP_SENSOR_1"
  #elif TEMP_SENSOR_1 == -1
    #define HEATER_1_USES_AD595
  #elif TEMP_SENSOR_1 == 0
    #undef HEATER_1_MINTEMP
    #undef HEATER_1_MAXTEMP
  #elif TEMP_SENSOR_1 > 0
    #define THERMISTORHEATER_1 TEMP_SENSOR_1
    #define HEATER_1_USES_THERMISTOR
  #endif

  #if TEMP_SENSOR_2 <= -2
    #error "MAX6675 / MAX31855 Thermocouples not supported for TEMP_SENSOR_2"
  #elif TEMP_SENSOR_2 == -1
    #define HEATER_2_USES_AD595
  #elif TEMP_SENSOR_2 == 0
    #undef HEATER_2_MINTEMP
    #undef HEATER_2_MAXTEMP
  #elif TEMP_SENSOR_2 > 0
    #define THERMISTORHEATER_2 TEMP_SENSOR_2
    #define HEATER_2_USES_THERMISTOR
  #endif

  #if TEMP_SENSOR_3 <= -2
    #error "MAX6675 / MAX31855 Thermocouples not supported for TEMP_SENSOR_3"
  #elif TEMP_SENSOR_3 == -1
    #define HEATER_3_USES_AD595
  #elif TEMP_SENSOR_3 == 0
    #undef HEATER_3_MINTEMP
    #undef HEATER_3_MAXTEMP
  #elif TEMP_SENSOR_3 > 0
    #define THERMISTORHEATER_3 TEMP_SENSOR_3
    #define HEATER_3_USES_THERMISTOR
  #endif

  #if TEMP_SENSOR_BED <= -2
    #error "MAX6675 / MAX31855 Thermocouples not supported for TEMP_SENSOR_BED"
  #elif TEMP_SENSOR_BED == -1
    #define BED_USES_AD595
  #elif TEMP_SENSOR_BED == 0
    #undef BED_MINTEMP
    #undef BED_MAXTEMP
  #elif TEMP_SENSOR_BED > 0
    #define THERMISTORBED TEMP_SENSOR_BED
    #define BED_USES_THERMISTOR
  #endif

  /**
   * Flags for PID handling
   */
  #define HAS_PID_HEATING (ENABLED(PIDTEMP) || ENABLED(PIDTEMPBED))
  #define HAS_PID_FOR_BOTH (ENABLED(PIDTEMP) && ENABLED(PIDTEMPBED))

  /**
   * Extruders have some combination of stepper motors and hotends
   * so we separate these concepts into the defines:
   *
   *  EXTRUDERS    - Number of Selectable Tools
   *  HOTENDS      - Number of hotends, whether connected or separate
   *  E_STEPPERS   - Number of actual E stepper motors
   *  TOOL_E_INDEX - Index to use when getting/setting the tool state
   *  
   */
  #if ENABLED(SINGLENOZZLE)             // One hotend, multi-extruder
    #define HOTENDS      1
    #define E_STEPPERS   EXTRUDERS
    #define TOOL_E_INDEX current_block->active_extruder
    #undef TEMP_SENSOR_1_AS_REDUNDANT
    #undef HOTEND_OFFSET_X
    #undef HOTEND_OFFSET_Y
  #elif ENABLED(SWITCHING_EXTRUDER)     // One E stepper, unified E axis, two hotends
    #define HOTENDS      EXTRUDERS
    #define E_STEPPERS   1
    #define TOOL_E_INDEX 0
    #ifndef HOTEND_OFFSET_Z
      #define HOTEND_OFFSET_Z { 0 }
    #endif
  #elif ENABLED(MIXING_EXTRUDER)        // Multi-stepper, unified E axis, one hotend
    #define HOTENDS      1
    #define E_STEPPERS   MIXING_STEPPERS
    #define TOOL_E_INDEX 0
  #else                                 // One stepper, E axis, and hotend per tool
    #define HOTENDS      EXTRUDERS
    #define E_STEPPERS   EXTRUDERS
    #define TOOL_E_INDEX current_block->active_extruder
  #endif

  /**
   * Default hotend offsets, if not defined
   */
  #if HOTENDS > 1
    #ifndef HOTEND_OFFSET_X
      #define HOTEND_OFFSET_X { 0 } // X offsets for each extruder
    #endif
    #ifndef HOTEND_OFFSET_Y
      #define HOTEND_OFFSET_Y { 0 } // Y offsets for each extruder
    #endif
    #if !defined(HOTEND_OFFSET_Z) && (ENABLED(DUAL_X_CARRIAGE) || ENABLED(SWITCHING_EXTRUDER))
      #define HOTEND_OFFSET_Z { 0 }
    #endif
  #endif

  /**
   * ARRAY_BY_EXTRUDERS based on EXTRUDERS
   */
  #define ARRAY_BY_EXTRUDERS(args...) ARRAY_N(EXTRUDERS, args)
  #define ARRAY_BY_EXTRUDERS1(v1) ARRAY_BY_EXTRUDERS(v1, v1, v1, v1, v1, v1)

  /**
   * ARRAY_BY_HOTENDS based on HOTENDS
   */
  #define ARRAY_BY_HOTENDS(args...) ARRAY_N(HOTENDS, args)
  #define ARRAY_BY_HOTENDS1(v1) ARRAY_BY_HOTENDS(v1, v1, v1, v1, v1, v1)

  /**
   * Z_DUAL_ENDSTOPS endstop reassignment
   */
  #if ENABLED(Z_DUAL_ENDSTOPS)
    #define _XMIN_ 100
    #define _YMIN_ 200
    #define _ZMIN_ 300
    #define _XMAX_ 101
    #define _YMAX_ 201
    #define _ZMAX_ 301
    #if Z2_USE_ENDSTOP == _XMAX_
      #define Z2_MAX_ENDSTOP_INVERTING X_MAX_ENDSTOP_INVERTING
      #define Z2_MAX_PIN X_MAX_PIN
      #undef USE_XMAX_PLUG
    #elif Z2_USE_ENDSTOP == _YMAX_
      #define Z2_MAX_ENDSTOP_INVERTING Y_MAX_ENDSTOP_INVERTING
      #define Z2_MAX_PIN Y_MAX_PIN
      #undef USE_YMAX_PLUG
    #elif Z2_USE_ENDSTOP == _ZMAX_
      #define Z2_MAX_ENDSTOP_INVERTING Z_MAX_ENDSTOP_INVERTING
      #define Z2_MAX_PIN Z_MAX_PIN
      #undef USE_ZMAX_PLUG
    #elif Z2_USE_ENDSTOP == _XMIN_
      #define Z2_MAX_ENDSTOP_INVERTING X_MIN_ENDSTOP_INVERTING
      #define Z2_MAX_PIN X_MIN_PIN
      #undef USE_XMIN_PLUG
    #elif Z2_USE_ENDSTOP == _YMIN_
      #define Z2_MAX_ENDSTOP_INVERTING Y_MIN_ENDSTOP_INVERTING
      #define Z2_MAX_PIN Y_MIN_PIN
      #undef USE_YMIN_PLUG
    #elif Z2_USE_ENDSTOP == _ZMIN_
      #define Z2_MAX_ENDSTOP_INVERTING Z_MIN_ENDSTOP_INVERTING
      #define Z2_MAX_PIN Z_MIN_PIN
      #undef USE_ZMIN_PLUG
    #else
      #define Z2_MAX_ENDSTOP_INVERTING false
    #endif
  #endif

  /**
   * Shorthand for pin tests, used wherever needed
   */
  #define HAS_TEMP_0 (PIN_EXISTS(TEMP_0) && TEMP_SENSOR_0 != 0 && TEMP_SENSOR_0 > -2)
  #define HAS_TEMP_1 (PIN_EXISTS(TEMP_1) && TEMP_SENSOR_1 != 0 && TEMP_SENSOR_1 > -2)
  #define HAS_TEMP_2 (PIN_EXISTS(TEMP_2) && TEMP_SENSOR_2 != 0 && TEMP_SENSOR_2 > -2)
  #define HAS_TEMP_3 (PIN_EXISTS(TEMP_3) && TEMP_SENSOR_3 != 0 && TEMP_SENSOR_3 > -2)
  #define HAS_TEMP_BED (PIN_EXISTS(TEMP_BED) && TEMP_SENSOR_BED != 0 && TEMP_SENSOR_BED > -2)
  #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_AUTO_FAN_0 (PIN_EXISTS(EXTRUDER_0_AUTO_FAN))
  #define HAS_AUTO_FAN_1 (PIN_EXISTS(EXTRUDER_1_AUTO_FAN))
  #define HAS_AUTO_FAN_2 (PIN_EXISTS(EXTRUDER_2_AUTO_FAN))
  #define HAS_AUTO_FAN_3 (PIN_EXISTS(EXTRUDER_3_AUTO_FAN))
  #define HAS_AUTO_FAN (HAS_AUTO_FAN_0 || HAS_AUTO_FAN_1 || HAS_AUTO_FAN_2 || HAS_AUTO_FAN_3)
  #define HAS_FAN0 (PIN_EXISTS(FAN))
  #define HAS_FAN1 (PIN_EXISTS(FAN1) && CONTROLLERFAN_PIN != FAN1_PIN && EXTRUDER_0_AUTO_FAN_PIN != FAN1_PIN && EXTRUDER_1_AUTO_FAN_PIN != FAN1_PIN && EXTRUDER_2_AUTO_FAN_PIN != FAN1_PIN)
  #define HAS_FAN2 (PIN_EXISTS(FAN2) && CONTROLLERFAN_PIN != FAN2_PIN && EXTRUDER_0_AUTO_FAN_PIN != FAN2_PIN && EXTRUDER_1_AUTO_FAN_PIN != FAN2_PIN && EXTRUDER_2_AUTO_FAN_PIN != FAN2_PIN)
  #define HAS_CONTROLLERFAN (PIN_EXISTS(CONTROLLERFAN))
  #define HAS_SERVOS (defined(NUM_SERVOS) && NUM_SERVOS > 0)
  #define HAS_SERVO_0 (PIN_EXISTS(SERVO0))
  #define HAS_SERVO_1 (PIN_EXISTS(SERVO1))
  #define HAS_SERVO_2 (PIN_EXISTS(SERVO2))
  #define HAS_SERVO_3 (PIN_EXISTS(SERVO3))
  #define HAS_FILAMENT_WIDTH_SENSOR (PIN_EXISTS(FILWIDTH))
  #define HAS_FIL_RUNOUT (PIN_EXISTS(FIL_RUNOUT))
  #define HAS_HOME (PIN_EXISTS(HOME))
  #define HAS_KILL (PIN_EXISTS(KILL))
  #define HAS_SUICIDE (PIN_EXISTS(SUICIDE))
  #define HAS_PHOTOGRAPH (PIN_EXISTS(PHOTOGRAPH))
  #define HAS_X_MIN (PIN_EXISTS(X_MIN))
  #define HAS_X_MAX (PIN_EXISTS(X_MAX))
  #define HAS_Y_MIN (PIN_EXISTS(Y_MIN))
  #define HAS_Y_MAX (PIN_EXISTS(Y_MAX))
  #define HAS_Z_MIN (PIN_EXISTS(Z_MIN))
  #define HAS_Z_MAX (PIN_EXISTS(Z_MAX))
  #define HAS_Z2_MIN (PIN_EXISTS(Z2_MIN))
  #define HAS_Z2_MAX (PIN_EXISTS(Z2_MAX))
  #define HAS_Z_MIN_PROBE_PIN (PIN_EXISTS(Z_MIN_PROBE))
  #define HAS_SOLENOID_1 (PIN_EXISTS(SOL1))
  #define HAS_SOLENOID_2 (PIN_EXISTS(SOL2))
  #define HAS_SOLENOID_3 (PIN_EXISTS(SOL3))
  #define HAS_MICROSTEPS (PIN_EXISTS(X_MS1))
  #define HAS_MICROSTEPS_E0 (PIN_EXISTS(E0_MS1))
  #define HAS_MICROSTEPS_E1 (PIN_EXISTS(E1_MS1))
  #define HAS_MICROSTEPS_E2 (PIN_EXISTS(E2_MS1))
  #define HAS_STEPPER_RESET (PIN_EXISTS(STEPPER_RESET))
  #define HAS_X_ENABLE (PIN_EXISTS(X_ENABLE))
  #define HAS_X2_ENABLE (PIN_EXISTS(X2_ENABLE))
  #define HAS_Y_ENABLE (PIN_EXISTS(Y_ENABLE))
  #define HAS_Y2_ENABLE (PIN_EXISTS(Y2_ENABLE))
  #define HAS_Z_ENABLE (PIN_EXISTS(Z_ENABLE))
  #define HAS_Z2_ENABLE (PIN_EXISTS(Z2_ENABLE))
  #define HAS_E0_ENABLE (PIN_EXISTS(E0_ENABLE))
  #define HAS_E1_ENABLE (PIN_EXISTS(E1_ENABLE))
  #define HAS_E2_ENABLE (PIN_EXISTS(E2_ENABLE))
  #define HAS_E3_ENABLE (PIN_EXISTS(E3_ENABLE))
  #define HAS_E4_ENABLE (PIN_EXISTS(E4_ENABLE))
  #define HAS_X_DIR (PIN_EXISTS(X_DIR))
  #define HAS_X2_DIR (PIN_EXISTS(X2_DIR))
  #define HAS_Y_DIR (PIN_EXISTS(Y_DIR))
  #define HAS_Y2_DIR (PIN_EXISTS(Y2_DIR))
  #define HAS_Z_DIR (PIN_EXISTS(Z_DIR))
  #define HAS_Z2_DIR (PIN_EXISTS(Z2_DIR))
  #define HAS_E0_DIR (PIN_EXISTS(E0_DIR))
  #define HAS_E1_DIR (PIN_EXISTS(E1_DIR))
  #define HAS_E2_DIR (PIN_EXISTS(E2_DIR))
  #define HAS_E3_DIR (PIN_EXISTS(E3_DIR))
  #define HAS_E4_DIR (PIN_EXISTS(E4_DIR))
  #define HAS_X_STEP (PIN_EXISTS(X_STEP))
  #define HAS_X2_STEP (PIN_EXISTS(X2_STEP))
  #define HAS_Y_STEP (PIN_EXISTS(Y_STEP))
  #define HAS_Y2_STEP (PIN_EXISTS(Y2_STEP))
  #define HAS_Z_STEP (PIN_EXISTS(Z_STEP))
  #define HAS_Z2_STEP (PIN_EXISTS(Z2_STEP))
  #define HAS_E0_STEP (PIN_EXISTS(E0_STEP))
  #define HAS_E1_STEP (PIN_EXISTS(E1_STEP))
  #define HAS_E2_STEP (PIN_EXISTS(E2_STEP))
  #define HAS_E3_STEP (PIN_EXISTS(E3_STEP))
  #define HAS_E4_STEP (PIN_EXISTS(E4_STEP))

  #define HAS_MOTOR_CURRENT_PWM (PIN_EXISTS(MOTOR_CURRENT_PWM_XY) || PIN_EXISTS(MOTOR_CURRENT_PWM_Z) || PIN_EXISTS(MOTOR_CURRENT_PWM_E))

  #define HAS_TEMP_HOTEND (HAS_TEMP_0 || ENABLED(HEATER_0_USES_MAX6675))

  #define HAS_THERMALLY_PROTECTED_BED (HAS_TEMP_BED && HAS_HEATER_BED && ENABLED(THERMAL_PROTECTION_BED))

  /**
   * Helper Macros for heaters and extruder fan
   */
  #define WRITE_HEATER_0P(v) WRITE(HEATER_0_PIN, v)
  #if HOTENDS > 1 || ENABLED(HEATERS_PARALLEL)
    #define WRITE_HEATER_1(v) WRITE(HEATER_1_PIN, v)
    #if HOTENDS > 2
      #define WRITE_HEATER_2(v) WRITE(HEATER_2_PIN, v)
      #if HOTENDS > 3
        #define WRITE_HEATER_3(v) WRITE(HEATER_3_PIN, v)
      #endif
    #endif
  #endif
  #if ENABLED(HEATERS_PARALLEL)
    #define WRITE_HEATER_0(v) { WRITE_HEATER_0P(v); WRITE_HEATER_1(v); }
  #else
    #define WRITE_HEATER_0(v) WRITE_HEATER_0P(v)
  #endif
  #if HAS_HEATER_BED
    #define WRITE_HEATER_BED(v) WRITE(HEATER_BED_PIN, v)
  #endif

  /**
   * Up to 3 PWM fans
   */
  #if HAS_FAN2
    #define FAN_COUNT 3
  #elif HAS_FAN1
    #define FAN_COUNT 2
  #elif HAS_FAN0
    #define FAN_COUNT 1
  #else
    #define FAN_COUNT 0
  #endif

  #if HAS_FAN0
    #define WRITE_FAN(v) WRITE(FAN_PIN, v)
    #define WRITE_FAN0(v) WRITE_FAN(v)
  #endif
  #if HAS_FAN1
    #define WRITE_FAN1(v) WRITE(FAN1_PIN, v)
  #endif
  #if HAS_FAN2
    #define WRITE_FAN2(v) WRITE(FAN2_PIN, v)
  #endif
  #define WRITE_FAN_N(n, v) WRITE_FAN##n(v)

  #define HAS_BUZZER (PIN_EXISTS(BEEPER) || defined(LCD_USE_I2C_BUZZER))

  #if HAS_SERVOS
    #ifndef Z_ENDSTOP_SERVO_NR
      #define Z_ENDSTOP_SERVO_NR -1
    #endif
  #endif

  #define PROBE_SELECTED (ENABLED(FIX_MOUNTED_PROBE) || ENABLED(Z_PROBE_ALLEN_KEY) || HAS_Z_SERVO_ENDSTOP || ENABLED(Z_PROBE_SLED))

  #define PROBE_PIN_CONFIGURED (HAS_Z_MIN_PROBE_PIN || (HAS_Z_MIN && ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)))

  #define HAS_BED_PROBE (PROBE_SELECTED && PROBE_PIN_CONFIGURED)

  #if ENABLED(Z_PROBE_ALLEN_KEY)
    #define PROBE_IS_TRIGGERED_WHEN_STOWED_TEST
  #endif

  /**
   * Bed Probe dependencies
   */
  #if HAS_BED_PROBE
    #ifndef X_PROBE_OFFSET_FROM_EXTRUDER
      #define X_PROBE_OFFSET_FROM_EXTRUDER 0
    #endif
    #ifndef Y_PROBE_OFFSET_FROM_EXTRUDER
      #define Y_PROBE_OFFSET_FROM_EXTRUDER 0
    #endif
    #ifndef Z_PROBE_OFFSET_FROM_EXTRUDER
      #define Z_PROBE_OFFSET_FROM_EXTRUDER 0
    #endif
    #ifndef Z_PROBE_OFFSET_RANGE_MIN
      #define Z_PROBE_OFFSET_RANGE_MIN -20
    #endif
    #ifndef Z_PROBE_OFFSET_RANGE_MAX
      #define Z_PROBE_OFFSET_RANGE_MAX 20
    #endif
    #ifndef XY_PROBE_SPEED
      #ifdef HOMING_FEEDRATE_XY
        #define XY_PROBE_SPEED HOMING_FEEDRATE_XY
      #else
        #define XY_PROBE_SPEED 4000
      #endif
    #endif
    #if Z_RAISE_BETWEEN_PROBINGS > Z_RAISE_PROBE_DEPLOY_STOW
      #define _Z_RAISE_PROBE_DEPLOY_STOW Z_RAISE_BETWEEN_PROBINGS
    #else
      #define _Z_RAISE_PROBE_DEPLOY_STOW Z_RAISE_PROBE_DEPLOY_STOW
    #endif
  #endif

  /**
   * Delta radius/rod trimmers
   */
  #if ENABLED(DELTA)
    #ifndef DELTA_RADIUS_TRIM_TOWER_1
      #define DELTA_RADIUS_TRIM_TOWER_1 0.0
    #endif
    #ifndef DELTA_RADIUS_TRIM_TOWER_2
      #define DELTA_RADIUS_TRIM_TOWER_2 0.0
    #endif
    #ifndef DELTA_RADIUS_TRIM_TOWER_3
      #define DELTA_RADIUS_TRIM_TOWER_3 0.0
    #endif
    #ifndef DELTA_DIAGONAL_ROD_TRIM_TOWER_1
      #define DELTA_DIAGONAL_ROD_TRIM_TOWER_1 0.0
    #endif
    #ifndef DELTA_DIAGONAL_ROD_TRIM_TOWER_2
      #define DELTA_DIAGONAL_ROD_TRIM_TOWER_2 0.0
    #endif
    #ifndef DELTA_DIAGONAL_ROD_TRIM_TOWER_3
      #define DELTA_DIAGONAL_ROD_TRIM_TOWER_3 0.0
    #endif
    #if ENABLED(AUTO_BED_LEVELING_GRID)
      #define DELTA_BED_LEVELING_GRID
    #endif
  #endif

  /**
   * When not using other bed leveling...
   */
  #if ENABLED(AUTO_BED_LEVELING_FEATURE) && DISABLED(AUTO_BED_LEVELING_GRID) && DISABLED(DELTA_BED_LEVELING_GRID)
    #define AUTO_BED_LEVELING_3POINT
  #endif

  /**
   * Buzzer/Speaker
   */
  #if ENABLED(LCD_USE_I2C_BUZZER)
    #ifndef LCD_FEEDBACK_FREQUENCY_HZ
      #define LCD_FEEDBACK_FREQUENCY_HZ 1000
    #endif
    #ifndef LCD_FEEDBACK_FREQUENCY_DURATION_MS
      #define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100
    #endif
  #elif PIN_EXISTS(BEEPER)
    #ifndef LCD_FEEDBACK_FREQUENCY_HZ
      #define LCD_FEEDBACK_FREQUENCY_HZ 5000
    #endif
    #ifndef LCD_FEEDBACK_FREQUENCY_DURATION_MS
      #define LCD_FEEDBACK_FREQUENCY_DURATION_MS 2
    #endif
  #else
    #ifndef LCD_FEEDBACK_FREQUENCY_DURATION_MS
      #define LCD_FEEDBACK_FREQUENCY_DURATION_MS 2
    #endif
  #endif

  /**
   * MIN_Z_HEIGHT_FOR_HOMING / Z_RAISE_BETWEEN_PROBINGS
   */
  #ifndef MIN_Z_HEIGHT_FOR_HOMING
    #ifndef Z_RAISE_BETWEEN_PROBINGS
      #define MIN_Z_HEIGHT_FOR_HOMING 0
    #else
      #define MIN_Z_HEIGHT_FOR_HOMING Z_RAISE_BETWEEN_PROBINGS
    #endif
  #endif
  #ifndef Z_RAISE_BETWEEN_PROBINGS
    #define Z_RAISE_BETWEEN_PROBING MIN_Z_HEIGHT_FOR_HOMING
  #endif

#endif //CONFIGURATION_LCD
#endif //CONDITIONALS_H