return to main menu after scene

PhotoStepper/PhotoStepper.ino

@@ -256,6 +256,11 @@ void loop() {
       keypad.loop(ButtonHandler_run);
       stepper.nextAction();
       scenerunner.nextAction();
+      if (!scenerunner.isBusy()) {
+        state = STATE_MENU;
+        mainMenu.dirty = true;
+        nav.doOutput();
+      }
       break;
   }
 }

PhotoStepper/Scenerunner.cpp

@@ -21,6 +21,10 @@ void Scenerunner::start() {
   runStepStart = millis();
 }
 
+bool Scenerunner::isBusy() {
+  return runStep == RUN_OFF ? false : true;
+}
+
 void Scenerunner::_runHandler_off() {
   _lcd->setCursor(0, 1);
   _lcd->print("rS: OFF ");

PhotoStepper/Scenerunner.h

@@ -21,6 +21,7 @@ class Scenerunner {
 
     Scenerunner(LiquidCrystal *lcd, BasicStepperDriver *stepper, int pin_focus, int pin_shutter, int pin_backlight);
     void start();
+    bool isBusy();
     void nextAction();
 
   private: