Realtime Reporting, S000, P000, R000 (#19330)

Marlin/src/module/planner.h

@@ -873,6 +873,13 @@ class Planner {
     // a Full Shutdown is required, or when endstops are hit)
     static void quick_stop();
 
+    #if ENABLED(REALTIME_REPORTING_COMMANDS)
+      // Force a quick pause of the machine (e.g., when a pause is required in the middle of move).
+      // NOTE: Hard-stops will lose steps so encoders are highly recommended if using these!
+      static void quick_pause();
+      static void quick_resume();
+    #endif
+
     // Called when an endstop is triggered. Causes the machine to stop inmediately
     static void endstop_triggered(const AxisEnum axis);