Remote streamer improvements (#12982)

Marlin/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/Marlin.cpp

   disable_e_steppers();
 }
 
+#if HAS_ACTION_COMMANDS
+
+  void host_action(const char * const pstr, const bool eol=true) {
+    SERIAL_ECHOPGM("//action:");
+    serialprintPGM(pstr);
+    if (eol) SERIAL_EOL();
+  }
+
+  #ifdef ACTION_ON_KILL
+    void host_action_kill() { host_action(PSTR(ACTION_ON_KILL)); }
+  #endif
+  #ifdef ACTION_ON_PAUSE
+    void host_action_pause() { host_action(PSTR(ACTION_ON_PAUSE)); }
+  #endif
+  #ifdef ACTION_ON_PAUSED
+    void host_action_paused() { host_action(PSTR(ACTION_ON_PAUSED)); }
+  #endif
+  #ifdef ACTION_ON_RESUME
+    void host_action_resume() { host_action(PSTR(ACTION_ON_RESUME)); }
+  #endif
+  #ifdef ACTION_ON_RESUMED
+    void host_action_resumed() { host_action(PSTR(ACTION_ON_RESUMED)); }
+  #endif
+  #ifdef ACTION_ON_CANCEL
+    void host_action_cancel() { host_action(PSTR(ACTION_ON_CANCEL)); }
+  #endif
+  #ifdef ACTION_ON_FILAMENT_RUNOUT
+    void host_action_filament_runout(const bool eol/*=true*/) { host_action(PSTR(ACTION_ON_FILAMENT_RUNOUT), eol); }
+  #endif
+
+#endif // HAS_ACTION_COMMANDS
+
 /**
  * Manage several activities:
  *  - Check for Filament Runout
   #endif
 
   #ifdef ACTION_ON_KILL
-    SERIAL_ECHOLNPGM("//action:" ACTION_ON_KILL);
+    host_action_kill();
   #endif
 
   minkill();

Marlin/src/Marlin.h

 #if HAS_SUICIDE
   inline void suicide() { OUT_WRITE(SUICIDE_PIN, LOW); }
 #endif
+
+#if HAS_ACTION_COMMANDS
+  #ifdef ACTION_ON_KILL
+    void host_action_kill();
+  #endif
+  #ifdef ACTION_ON_PAUSE
+    void host_action_pause();
+  #endif
+  #ifdef ACTION_ON_PAUSED
+    void host_action_paused();
+  #endif
+  #ifdef ACTION_ON_RESUME
+    void host_action_resume();
+  #endif
+  #ifdef ACTION_ON_RESUMED
+    void host_action_resumed();
+  #endif
+  #ifdef ACTION_ON_CANCEL
+    void host_action_cancel();
+  #endif
+  #ifdef ACTION_ON_FILAMENT_RUNOUT
+    void host_action_filament_runout(const bool eol=true);
+  #endif
+#endif

Marlin/src/config/default/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/3DFabXYZ/Migbot/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Anet/A2/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Anet/A2plus/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Anet/A6/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Anet/A8/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/AnyCubic/i3/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/ArmEd/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/BIBO/TouchX/default/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Cartesio/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Creality/CR-10/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Creality/CR-10S/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Creality/CR-10mini/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Creality/CR-8/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Creality/Ender-2/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Creality/Ender-3/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Creality/Ender-4/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Einstart-S/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Felix/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/FlashForge/CreatorPro/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/FolgerTech/i3-2020/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Formbot/Raptor/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-#define ACTION_ON_PAUSE "pause"
-#define ACTION_ON_RESUME "resume"
+#define ACTION_ON_PAUSE   "pause"
+#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Formbot/T_Rex_2+/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-#define ACTION_ON_PAUSE "pause"
-#define ACTION_ON_RESUME "resume"
+#define ACTION_ON_PAUSE   "pause"
+#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Formbot/T_Rex_3/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-#define ACTION_ON_PAUSE "pause"
-#define ACTION_ON_RESUME "resume"
+#define ACTION_ON_PAUSE   "pause"
+#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Geeetech/MeCreator2/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Infitary/i3-M508/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/MakerParts/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Malyan/M150/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Malyan/M200/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Micromake/C1/enhanced/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Mks/Robin/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/RapideLite/RL200/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/RigidBot/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/SCARA/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Sanguinololu/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/TheBorg/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/TinyBoy2/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Tronxy/X3A/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/UltiMachine/Archim1/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/UltiMachine/Archim2/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/VORONDesign/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Velleman/K8200/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Velleman/K8400/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/WASP/PowerWASP/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/delta/FLSUN/kossel/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/delta/Geeetech/Rostock 301/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/delta/MKS/SBASE/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/delta/Tevo Little Monster/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/delta/generic/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/delta/kossel_mini/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/delta/kossel_xl/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/gCreate/gMax1.5+/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/makibox/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/tvrrug/Round2/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/config/examples/wt150/Configuration_adv.h

  * Specify an action command to send to the host on pause and resume.
  * Will be sent in the form '//action:ACTION_ON_PAUSE', e.g. '//action:pause'.
  * The host must be configured to handle the action command.
+ * 
+ *   PAUSE / RESUME : Used in non-parking scenarios where the host handles the
+ *                    action while Marlin continues to process G-Code. (M24/M25)
+ * 
+ * PAUSED / RESUMED : Used in scenarios where Marlin handles pause and filament-
+ *                    change actions and the host needs to stop sending commands
+ *                    until the machine is ready to resume. (M125/M600)
+ * 
+ *           CANCEL : Instructs the host to abort the print job. Used when the
+ *                    print is canceled from the LCD menu.
  */
-//#define ACTION_ON_PAUSE "pause"
-//#define ACTION_ON_RESUME "resume"
+//#define ACTION_ON_PAUSE   "pause"
+//#define ACTION_ON_RESUME  "resume"
+//#define ACTION_ON_PAUSED  "paused"
+//#define ACTION_ON_RESUMED "resumed"
+//#define ACTION_ON_CANCEL  "cancel"
 
 //===========================================================================
 //====================== I2C Position Encoder Settings ======================

Marlin/src/feature/pause.cpp

 
   if (did_pause_print) return false; // already paused
 
-  #ifdef ACTION_ON_PAUSE
-    SERIAL_ECHOLNPGM("//action:" ACTION_ON_PAUSE);
+  #ifdef ACTION_ON_PAUSED
+    host_action_paused();
+  #elif defined(ACTION_ON_PAUSE)
+    host_action_pause();
   #endif
 
   #if HAS_LCD_MENU
     lcd_advanced_pause_show_message(ADVANCED_PAUSE_MESSAGE_STATUS);
   #endif
 
-  #ifdef ACTION_ON_RESUME
-    SERIAL_ECHOLNPGM("//action:" ACTION_ON_RESUME);
+  #ifdef ACTION_ON_RESUMED
+    host_action_resumed();
+  #elif defined(ACTION_ON_RESUME)
+    host_action_resume();
   #endif
 
   --did_pause_print;

Marlin/src/feature/runout.h

           #endif
           #ifdef ACTION_ON_FILAMENT_RUNOUT
             #if NUM_RUNOUT_SENSORS > 1
-              SERIAL_ECHOLNPAIR("//action:" ACTION_ON_FILAMENT_RUNOUT " ", int(active_extruder));
+              host_action_filament_runout(false);
+              SERIAL_CHAR(' ');
+              SERIAL_ECHO(int(active_extruder));
             #else
-              SERIAL_ECHOLNPGM("//action:" ACTION_ON_FILAMENT_RUNOUT);
+              host_action_filament_runout();
             #endif
             if (!IS_SD_PRINTING())
               reset();

Marlin/src/gcode/gcode.cpp

     while (G29()) { // G29 should return true for failed probes ONLY
       if (retries--) {
         #ifdef G29_ACTION_ON_RECOVER
-          SERIAL_ECHOLNPGM("//action:" G29_ACTION_ON_RECOVER);
+          host_action(PSTR(G29_ACTION_ON_RECOVER));
         #endif
         #ifdef G29_RECOVER_COMMANDS
           process_subcommands_now_P(PSTR(G29_RECOVER_COMMANDS));
           process_subcommands_now_P(PSTR(G29_FAILURE_COMMANDS));
         #endif
         #ifdef G29_ACTION_ON_FAILURE
-          SERIAL_ECHOLNPGM("//action:" G29_ACTION_ON_FAILURE);
+          host_action(PSTR(G29_ACTION_ON_FAILURE));
         #endif
         #if ENABLED(G29_HALT_ON_FAILURE)
           kill(PSTR(MSG_ERR_PROBING_FAILED));

Marlin/src/gcode/sdcard/M20-M30_M32-M34_M524_M928.cpp

   }
 
   #ifdef ACTION_ON_RESUME
-    SERIAL_ECHOLNPGM("//action:" ACTION_ON_RESUME);
+    host_action_resume();
   #endif
 
   ui.reset_status();
     ui.reset_status();
 
     #ifdef ACTION_ON_PAUSE
-      SERIAL_ECHOLNPGM("//action:" ACTION_ON_PAUSE);
+      host_action_pause();
     #endif
   #endif
 }

Marlin/src/inc/Conditionals_LCD.h

 #define IS_SCARA     (ENABLED(MORGAN_SCARA) || ENABLED(MAKERARM_SCARA))
 #define IS_KINEMATIC (ENABLED(DELTA) || IS_SCARA)
 #define IS_CARTESIAN !IS_KINEMATIC
+
+#define HAS_ACTION_COMMANDS (defined(ACTION_ON_KILL) || defined(ACTION_ON_PAUSE) || defined(ACTION_ON_PAUSED) || defined(ACTION_ON_RESUME) || defined(ACTION_ON_RESUMED) || defined(ACTION_ON_CANCEL) || defined(G29_ACTION_ON_RECOVER) || defined(G29_ACTION_ON_FAILURE) || defined(ACTION_ON_FILAMENT_RUNOUT))

Marlin/src/lcd/menu/menu_main.cpp

   #include "../../feature/power_loss_recovery.h"
 #endif
 
+#if ENABLED(SDSUPPORT)
+  #include "../../sd/cardreader.h"
+#endif
+
 void lcd_pause() {
   #if ENABLED(POWER_LOSS_RECOVERY)
     if (recovery.enabled) recovery.save(true, false);
   #elif ENABLED(SDSUPPORT)
     enqueue_and_echo_commands_P(PSTR("M25"));
   #elif defined(ACTION_ON_PAUSE)
-    SERIAL_ECHOLNPGM("//action:" ACTION_ON_PAUSE);
+    host_action_pause();
   #endif
   planner.synchronize();
 }
   #if ENABLED(SDSUPPORT)
     if (card.isPaused()) enqueue_and_echo_commands_P(PSTR("M24"));
   #elif defined(ACTION_ON_RESUME)
-    SERIAL_ECHOLNPGM("//action:" ACTION_ON_RESUME);
+    host_action_resume();
   #endif
 }
 
-#if ENABLED(SDSUPPORT)
-
-  #include "../../sd/cardreader.h"
-
-  void lcd_sdcard_stop() {
+void lcd_stop() {
+  #if ENABLED(SDSUPPORT)
     wait_for_heatup = wait_for_user = false;
     card.flag.abort_sd_printing = true;
-    ui.set_status_P(PSTR(MSG_PRINT_ABORTED), -1);
-    ui.return_to_status();
-  }
-
-  void menu_sdcard_abort_confirm() {
-    START_MENU();
-    MENU_BACK(MSG_MAIN);
-    MENU_ITEM(function, MSG_STOP_PRINT, lcd_sdcard_stop);
-    END_MENU();
-  }
+  #endif
+  #ifdef ACTION_ON_CANCEL
+    host_action_cancel();
+  #endif
+  ui.set_status_P(PSTR(MSG_PRINT_ABORTED), -1);
+  ui.return_to_status();
+}
 
-#endif // SDSUPPORT
+void menu_abort_confirm() {
+  START_MENU();
+  MENU_BACK(MSG_MAIN);
+  MENU_ITEM(function, MSG_STOP_PRINT, lcd_stop);
+  END_MENU();
+}
 
 void menu_tune();
 void menu_motion();
 
   if (busy) {
     MENU_ITEM(function, MSG_PAUSE_PRINT, lcd_pause);
-    #if ENABLED(SDSUPPORT)
-      if (card.isFileOpen())
-        MENU_ITEM(submenu, MSG_STOP_PRINT, menu_sdcard_abort_confirm);
+    #if ENABLED(SDSUPPORT) || defined(ACTION_ON_CANCEL)
+      MENU_ITEM(submenu, MSG_STOP_PRINT, menu_abort_confirm);
     #endif
     #if !defined(ACTION_ON_RESUME) && ENABLED(SDSUPPORT)
       if (card.isFileOpen())

buildroot/share/tests/teensy35_tests

            FIX_MOUNTED_PROBE Z_SAFE_HOMING AUTO_BED_LEVELING_BILINEAR Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE \
            BABYSTEPPING BABYSTEP_XY BABYSTEP_ZPROBE_OFFSET BABYSTEP_ZPROBE_GFX_OVERLAY \
            PRINTCOUNTER NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE SLOW_PWM_HEATERS PIDTEMPBED EEPROM_SETTINGS INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT M100_FREE_MEMORY_WATCHER \
-           ADVANCED_PAUSE_FEATURE LCD_INFO_MENU ARC_SUPPORT BEZIER_CURVE_SUPPORT EXPERIMENTAL_I2CBUS EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES SDCARD_SORT_ALPHA PARK_HEAD_ON_PAUSE
+           ADVANCED_PAUSE_FEATURE LCD_INFO_MENU ARC_SUPPORT BEZIER_CURVE_SUPPORT EXPERIMENTAL_I2CBUS EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES SDCARD_SORT_ALPHA PARK_HEAD_ON_PAUSE \
+           ACTION_ON_KILL ACTION_ON_PAUSE ACTION_ON_PAUSED ACTION_ON_RESUME ACTION_ON_RESUMED ACTION_ON_CANCEL
 opt_set I2C_SLAVE_ADDRESS 63
 opt_set GRID_MAX_POINTS_X 16
 exec_test $1 $2 "Teensy3.5 with many features"