Separate SWITCHING_NOZZLE and SWITCHING_EXTRUDER

8 years ago · c2321b1cdd
parent 455a24f6ff
commit c2321b1cdd
33 changed files with 280 additions and 93 deletions
--- a/Marlin/Conditionals_LCD.h
+++ b/Marlin/Conditionals_LCD.h
@ -291,36 +291,34 @@
   *  TOOL_E_INDEX - Index to use when getting/setting the tool state
   *
   */
-  #if ENABLED(SINGLENOZZLE)             // One hotend, multi-extruder
+  #if ENABLED(SINGLENOZZLE) || ENABLED(MIXING_EXTRUDER)         // One hotend, one thermistor, no XY offset
    #define HOTENDS       1
-    #define E_STEPPERS   EXTRUDERS
-    #define E_MANUAL     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
+  #else                                                         // Two hotends
    #define HOTENDS       EXTRUDERS
-    #define E_STEPPERS   1
-    #define E_MANUAL     1
-    #define TOOL_E_INDEX 0
-    #ifndef HOTEND_OFFSET_Z
+    #if ENABLED(SWITCHING_NOZZLE) && !defined(HOTEND_OFFSET_Z)
      #define HOTEND_OFFSET_Z { 0 }
    #endif
-  #elif ENABLED(MIXING_EXTRUDER)        // Multi-stepper, unified E axis, one hotend
-    #define HOTENDS      1
+  #endif
+
+  #if ENABLED(SWITCHING_EXTRUDER) || ENABLED(MIXING_EXTRUDER)   // Unified E axis
+    #if ENABLED(MIXING_EXTRUDER)
      #define E_STEPPERS  MIXING_STEPPERS
+    #else
+      #define E_STEPPERS  1                                     // One E stepper
+    #endif
    #define E_MANUAL      1
    #define TOOL_E_INDEX  0
-  #else                                 // One stepper, E axis, and hotend per tool
-    #define HOTENDS      EXTRUDERS
+  #else
    #define E_STEPPERS    EXTRUDERS
    #define E_MANUAL      EXTRUDERS
    #define TOOL_E_INDEX  current_block->active_extruder
  #endif

  /**
-   * Distinct E Factors – Disable by commenting out DISTINCT_E_FACTORS
+   * DISTINCT_E_FACTORS affects how some E factors are accessed
   */
  #if ENABLED(DISTINCT_E_FACTORS) && E_STEPPERS > 1
    #define XYZE_N (XYZ + E_STEPPERS)
--- a/Marlin/Conditionals_post.h
+++ b/Marlin/Conditionals_post.h
@ -326,7 +326,7 @@
    #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))
+    #if !defined(HOTEND_OFFSET_Z) && (ENABLED(DUAL_X_CARRIAGE) || ENABLED(SWITCHING_NOZZLE))
      #define HOTEND_OFFSET_Z { 0 }
    #endif
  #endif
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@ -7762,7 +7762,7 @@ inline void gcode_M211() {
   *   T<tool>
   *   X<xoffset>
   *   Y<yoffset>
-   *   Z<zoffset> - Available with DUAL_X_CARRIAGE and SWITCHING_EXTRUDER
+   *   Z<zoffset> - Available with DUAL_X_CARRIAGE and SWITCHING_NOZZLE
   */
  inline void gcode_M218() {
    if (get_target_extruder_from_command(218) || target_extruder == 0) return;
@ -7770,7 +7770,7 @@ inline void gcode_M211() {
    if (code_seen('X')) hotend_offset[X_AXIS][target_extruder] = code_value_linear_units();
    if (code_seen('Y')) hotend_offset[Y_AXIS][target_extruder] = code_value_linear_units();

-    #if ENABLED(DUAL_X_CARRIAGE) || ENABLED(SWITCHING_EXTRUDER)
+    #if ENABLED(DUAL_X_CARRIAGE) || ENABLED(SWITCHING_NOZZLE)
      if (code_seen('Z')) hotend_offset[Z_AXIS][target_extruder] = code_value_linear_units();
    #endif

@ -7781,7 +7781,7 @@ inline void gcode_M211() {
      SERIAL_ECHO(hotend_offset[X_AXIS][e]);
      SERIAL_CHAR(',');
      SERIAL_ECHO(hotend_offset[Y_AXIS][e]);
-      #if ENABLED(DUAL_X_CARRIAGE) || ENABLED(SWITCHING_EXTRUDER)
+      #if ENABLED(DUAL_X_CARRIAGE) || ENABLED(SWITCHING_NOZZLE)
        SERIAL_CHAR(',');
        SERIAL_ECHO(hotend_offset[Z_AXIS][e]);
      #endif
@ -9364,6 +9364,14 @@ inline void gcode_M999() {
  }
 #endif

+#if ENABLED(SWITCHING_NOZZLE)
+  inline void move_nozzle_servo(uint8_t e) {
+    const int angles[2] = SWITCHING_NOZZLE_SERVO_ANGLES;
+    MOVE_SERVO(SWITCHING_NOZZLE_SERVO_NR, angles[e]);
+    safe_delay(500);
+  }
+#endif
+
 inline void invalid_extruder_error(const uint8_t &e) {
  SERIAL_ECHO_START;
  SERIAL_CHAR('T');
@ -9511,7 +9519,7 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
          // No extra case for HAS_ABL in DUAL_X_CARRIAGE. Does that mean they don't work together?
        #else // !DUAL_X_CARRIAGE

-          #if ENABLED(SWITCHING_EXTRUDER)
+          #if ENABLED(SWITCHING_NOZZLE)
            // <0 if the new nozzle is higher, >0 if lower. A bigger raise when lower.
            const float z_diff = hotend_offset[Z_AXIS][active_extruder] - hotend_offset[Z_AXIS][tmp_extruder],
                        z_raise = 0.3 + (z_diff > 0.0 ? z_diff : 0.0);
@ -9521,8 +9529,15 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
            planner.buffer_line_kinematic(current_position, planner.max_feedrate_mm_s[Z_AXIS], active_extruder);
            stepper.synchronize();

+            move_nozzle_servo(active_extruder);
+          #endif
+
+          #if ENABLED(SWITCHING_EXTRUDER)
+            #if !(ENABLED(SWITCHING_NOZZLE) && (SWITCHING_EXTRUDER_SERVO_NR == SWITCHING_NOZZLE_SERVO_NR))
+              stepper.synchronize();
              move_extruder_servo(active_extruder);
            #endif
+          #endif

          /**
           * Set current_position to the position of the new nozzle.
@ -9644,7 +9659,7 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
          prepare_move_to_destination();
        }

-        #if ENABLED(SWITCHING_EXTRUDER)
+        #if ENABLED(SWITCHING_NOZZLE)
          // Move back down, if needed. (Including when the new tool is higher.)
          if (z_raise != z_diff) {
            destination[Z_AXIS] += z_diff;
@ -9672,6 +9687,11 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
      UNUSED(fr_mm_s);
      UNUSED(no_move);

+      #if ENABLED(SWITCHING_EXTRUDER)
+        stepper.synchronize();
+        move_extruder_servo(active_extruder);
+      #endif
+
    #endif // HOTENDS <= 1

    SERIAL_ECHO_START;
--- a/Marlin/SanityCheck.h
+++ b/Marlin/SanityCheck.h
@ -329,11 +329,16 @@
 #endif

 /**
- * Only one type of extruder allowed
+ * A dual nozzle x-carriage with switching servo
 */
-#if (ENABLED(SWITCHING_EXTRUDER) && (ENABLED(SINGLENOZZLE) || ENABLED(MIXING_EXTRUDER))) \
-  || (ENABLED(SINGLENOZZLE) && ENABLED(MIXING_EXTRUDER))
-    #error "Please define only one type of extruder: SINGLENOZZLE, SWITCHING_EXTRUDER, or MIXING_EXTRUDER."
+#if ENABLED(SWITCHING_NOZZLE)
+  #if ENABLED(SINGLENOZZLE)
+    #error "SWITCHING_NOZZLE and SINGLENOZZLE are incompatible."
+  #elif EXTRUDERS < 2
+    #error "SWITCHING_NOZZLE requires exactly 2 EXTRUDERS."
+  #elif NUM_SERVOS < 1
+    #error "SWITCHING_NOZZLE requires NUM_SERVOS >= 1."
+  #endif
 #endif

 /**
@ -355,12 +360,14 @@
 #if ENABLED(MIXING_EXTRUDER)
  #if EXTRUDERS > 1
    #error "MIXING_EXTRUDER currently only supports one extruder."
-  #endif
-  #if MIXING_STEPPERS < 2
+  #elif MIXING_STEPPERS < 2
    #error "You must set MIXING_STEPPERS >= 2 for a mixing extruder."
-  #endif
-  #if ENABLED(FILAMENT_SENSOR)
+  #elif ENABLED(FILAMENT_SENSOR)
    #error "MIXING_EXTRUDER is incompatible with FILAMENT_SENSOR. Comment out this line to use it anyway."
+  #elif ENABLED(SWITCHING_EXTRUDER)
+    #error "Please select either MIXING_EXTRUDER or SWITCHING_EXTRUDER, not both."
+  #elif ENABLED(SINGLENOZZLE)
+    #error "MIXING_EXTRUDER is incompatible with SINGLENOZZLE."
  #endif
 #endif

--- a/Marlin/configuration_store.cpp
+++ b/Marlin/configuration_store.cpp
@ -1415,7 +1415,7 @@ void MarlinSettings::reset() {
        SERIAL_ECHOPAIR("  M218 T", (int)e);
        SERIAL_ECHOPAIR(" X", LINEAR_UNIT(hotend_offset[X_AXIS][e]));
        SERIAL_ECHOPAIR(" Y", LINEAR_UNIT(hotend_offset[Y_AXIS][e]));
-        #if ENABLED(DUAL_X_CARRIAGE) || ENABLED(SWITCHING_EXTRUDER)
+        #if ENABLED(DUAL_X_CARRIAGE) || ENABLED(SWITCHING_NOZZLE)
          SERIAL_ECHOPAIR(" Z", LINEAR_UNIT(hotend_offset[Z_AXIS][e]));
        #endif
        SERIAL_EOL;
--- a/Marlin/example_configurations/Cartesio/Configuration.h
+++ b/Marlin/example_configurations/Cartesio/Configuration.h
@ -138,12 +138,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/Felix/Configuration.h
+++ b/Marlin/example_configurations/Felix/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/Felix/DUAL/Configuration.h
+++ b/Marlin/example_configurations/Felix/DUAL/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/FolgerTech-i3-2020/Configuration.h
+++ b/Marlin/example_configurations/FolgerTech-i3-2020/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/Hephestos/Configuration.h
+++ b/Marlin/example_configurations/Hephestos/Configuration.h
@ -140,12 +140,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/Hephestos_2/Configuration.h
+++ b/Marlin/example_configurations/Hephestos_2/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/K8200/Configuration.h
+++ b/Marlin/example_configurations/K8200/Configuration.h
@ -157,12 +157,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/K8400/Configuration.h
+++ b/Marlin/example_configurations/K8400/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/K8400/Dual-head/Configuration.h
+++ b/Marlin/example_configurations/K8400/Dual-head/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
+++ b/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/RigidBot/Configuration.h
+++ b/Marlin/example_configurations/RigidBot/Configuration.h
@ -140,12 +140,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/SCARA/Configuration.h
+++ b/Marlin/example_configurations/SCARA/Configuration.h
@ -170,12 +170,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/TAZ4/Configuration.h
+++ b/Marlin/example_configurations/TAZ4/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/TinyBoy2/Configuration.h
+++ b/Marlin/example_configurations/TinyBoy2/Configuration.h
@ -159,12 +159,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/WITBOX/Configuration.h
+++ b/Marlin/example_configurations/WITBOX/Configuration.h
@ -140,12 +140,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/adafruit/ST7565/Configuration.h
+++ b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration.h
+++ b/Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration.h
+++ b/Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/delta/generic/Configuration.h
+++ b/Marlin/example_configurations/delta/generic/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/delta/kossel_mini/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/delta/kossel_pro/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
@ -141,12 +141,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/delta/kossel_xl/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/gCreate_gMax1.5+/Configuration.h
+++ b/Marlin/example_configurations/gCreate_gMax1.5+/Configuration.h
@ -142,12 +142,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/makibox/Configuration.h
+++ b/Marlin/example_configurations/makibox/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/tvrrug/Round2/Configuration.h
+++ b/Marlin/example_configurations/tvrrug/Round2/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/Marlin/example_configurations/wt150/Configuration.h
+++ b/Marlin/example_configurations/wt150/Configuration.h
@ -137,12 +137,18 @@
 //#define SINGLENOZZLE

 // A dual extruder that uses a single stepper motor
-// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
 //#define SWITCHING_EXTRUDER
 #if ENABLED(SWITCHING_EXTRUDER)
  #define SWITCHING_EXTRUDER_SERVO_NR 0
  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
-  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+// A dual-nozzle that uses a servomotor to raise/lower one of the nozzles
+//#define SWITCHING_NOZZLE
+#if ENABLED(SWITCHING_NOZZLE)
+  #define SWITCHING_NOZZLE_SERVO_NR 0
+  #define SWITCHING_NOZZLE_SERVO_ANGLES { 0, 90 }   // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z { 0.0, 0.0 }
 #endif

 /**
--- a/README.md
+++ b/README.md
@ -62,7 +62,7 @@ Download earlier versions of Marlin on the [Releases page](https://github.com/Ma
  - Improve thermal management, add `WATCH_BED_TEMP_PERIOD`
  - Better handling of toolchange, multiple tools
  - Add support for two X steppers `X_DUAL_STEPPER_DRIVERS`
-  - Add support for `SINGLENOZZLE`, `MIXING_EXTRUDER`, and `SWITCHING_EXTRUDER`
+  - Add support for `SINGLENOZZLE`, `MIXING_EXTRUDER`, `SWITCHING_NOZZLE`, and `SWITCHING_EXTRUDER`
  - Simplified probe configuration, allow usage without bed leveling
  - And much more… See the [1.1.0-RC7 Change Log](https://github.com/MarlinFirmware/Marlin/releases/tag/1.1.0-RC7) for the complete list of changes.