✨ MagLev V4 probe by MDD (#23192)

Marlin/src/module/probe.cpp

@@ -121,6 +121,17 @@ xyz_pos_t Probe::offset; // Initialized by settings.load()
     #endif
   }
 
+#elif ENABLED(MAGLEV4)
+
+  // Write trigger pin to release the probe
+  inline void maglev_deploy() {
+    WRITE(MAGLEV_TRIGGER_PIN, HIGH);
+    delay(MAGLEV_TRIGGER_DELAY);
+    WRITE(MAGLEV_TRIGGER_PIN, LOW);
+  }
+
+  inline void maglev_idle() { do_blocking_move_to_z(10); }
+
 #elif ENABLED(TOUCH_MI_PROBE)
 
   // Move to the magnet to unlock the probe
@@ -311,6 +322,10 @@ FORCE_INLINE void probe_specific_action(const bool deploy) {
       WRITE(SOL1_PIN, deploy);
     #endif
 
+  #elif ENABLED(MAGLEV4)
+
+    deploy ? maglev_deploy() : maglev_idle();
+
   #elif ENABLED(Z_PROBE_SLED)
 
     dock_sled(!deploy);