Updated storyboard mechanics

Updated statemachine
Implemented advanced choice mechanics
Still testing.

pizzactrl/hal_serial.py

@@ -120,7 +120,7 @@ class PizzaHAL:
                 # Extract data and sampling rate from file
                 # data, fs = sf.read(str(sound), dtype='float32')
                 # self.soundcache[str(sound)] = (data, fs)
-                self.soundcache[str(sound)] = mx.Sound(sound)
+                self.soundcache[str(sound)] = mx.Sound(str(sound))
 
     def init_camera(self):
         if self.camera is None:
@@ -157,23 +157,19 @@ class PizzaHAL:
         return resp
 
 
-def move_vert(hal: PizzaHAL, steps: int):
+def move(hal: PizzaHAL, 
+         steps: int,
+         horizontal: bool,
+         **kwargs):
     """
     Move the motor controlling the vertical scroll a given distance.
 
     """
-    hal.send_cmd(SerialCommands.MOTOR_V, steps.to_bytes(2, 'little', signed=True))
+    hal.send_cmd(SerialCommands.MOTOR_H if horizontal else SerialCommands.MOTOR_V, 
+                 steps.to_bytes(2, 'little', signed=True))
 
 
-def move_hor(hal: PizzaHAL, steps: int):
+def rewind(hal: PizzaHAL, **kwargs):
-    """
-    Move the motor controlling the horizontal scroll a given distance.
-
-    """
-    hal.send_cmd(SerialCommands.MOTOR_H, steps.to_bytes(2, 'little', signed=True))
-
-
-def rewind(hal: PizzaHAL):
     """
     Rewind both scrolls.
 
@@ -181,9 +177,9 @@ def rewind(hal: PizzaHAL):
     hal.send_cmd(SerialCommands.REWIND)
 
 
-def turn_off(hal: PizzaHAL):
+def turn_off(hal: PizzaHAL, **kwargs):
     """
-    Turn off everything.
+    Turn off the lights.
     """
     hal.send_cmd(SerialCommands.BACKLIGHT, 0)
     hal.send_cmd(SerialCommands.FRONTLIGHT, 0)
@@ -223,7 +219,7 @@ def wait_for_input(hal: PizzaHAL,
               (8 if green_cb else 0)
 
     if sound is not None:
-        hal.play_sound(sound)
+        hal.play_sound(str(sound))
 
     resp = hal.send_cmd(SerialCommands.USER_INTERACT, bitmask.to_bytes(1, 'little', signed=False), timeout.to_bytes(4, 'little', signed=False))
 
@@ -246,7 +242,14 @@ def wait_for_input(hal: PizzaHAL,
         timeout_cb(**kwargs)
 
 
-def light_layer(hal: PizzaHAL, r: float, g: float, b: float, w: float, fade: float = 0.0, **kwargs):
+def light(hal: PizzaHAL,
+          r: float, 
+          g: float, 
+          b: float, 
+          w: float, 
+          fade: float = 0.0, 
+          backlight: bool = False,
+          **kwargs):
     """
     Turn on the light to illuminate the upper scroll
 
@@ -258,30 +261,10 @@ def light_layer(hal: PizzaHAL, r: float, g: float, b: float, w: float, fade: flo
     :param steps: int
                 How many steps for the fade (default: 100)
     """
-    hal.send_cmd(SerialCommands.FRONTLIGHT, 
+    hal.send_cmd(SerialCommands.BACKLIGHT if backlight else SerialCommands.FRONTLIGHT, 
-                 int(r * 255).to_bytes(1, 'little'),
-                 int(g * 255).to_bytes(1, 'little'),
                  int(b * 255).to_bytes(1, 'little'),
-                 int(w * 255).to_bytes(1, 'little'), 
-                 int(fade * 1000).to_bytes(4, 'little'))
-
-
-def backlight(hal: PizzaHAL, r: float, g: float, b: float, w: float, fade: float = 0.0, **kwargs):
-    """
-    Turn on the backlight
-
-    :param hal: The hardware abstraction object
-    :param fade: float
-                Default 0, time in seconds to fade in or out
-    :param intensity: float
-                Intensity of the light in percent
-    :param steps: int
-                How many steps for the fade (default: 100)
-    """
-    hal.send_cmd(SerialCommands.BACKLIGHT, 
-                 int(r * 255).to_bytes(1, 'little'),
                  int(g * 255).to_bytes(1, 'little'),
-                 int(b * 255).to_bytes(1, 'little'),
+                 int(r * 255).to_bytes(1, 'little'),
                  int(w * 255).to_bytes(1, 'little'), 
                  int(fade * 1000).to_bytes(4, 'little'))
 
@@ -295,7 +278,7 @@ def play_sound(hal: PizzaHAL, sound: Any, **kwargs):
     """
     # Extract data and sampling rate from file
     try:
-        hal.play_sound(sound)
+        hal.play_sound(str(sound))
         while mx.get_busy():
             pass
     except KeyboardInterrupt:

pizzactrl/sb_dummy.py

@@ -1,248 +1,42 @@
-from pizzactrl import storyboard, fs_names
+from pizzactrl import fs_names
+from pizzactrl.storyboard import *
 
 STORYBOARD = [
-    storyboard.Chapter(
+    Chapter(
-        # storyboard.Do(storyboard.Activity.ADVANCE_UP),
+        Do(Activity.ADVANCE_UP,
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,   # Bild 1
+           steps=50),
-                      intensity=1.0, fade=1.0)
+        Do(Activity.LIGHT_BACK,   # Bild 1
+           intensity=1.0, fade=1.0),
+        Do(Activity.WAIT_FOR_INPUT,
+           on_blue=Select(Option.CONTINUE),
+           on_red=Select(Option.REPEAT))
     ),
-    storyboard.Chapter(
+    Chapter(
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
+        Do(Activity.ADVANCE_LEFT,
-                      sound=fs_names.StoryFile('01dummy')),
+           steps=100),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
+        Do(Activity.ADVANCE_UP,
-        storyboard.Do(storyboard.Activity.ADVANCE_UP)   # Bild 2
+           steps=50),
+        Do(Activity.WAIT_FOR_INPUT,
+           on_blue=Select(Option.CONTINUE),
+           on_red=Select(Option.REPEAT),
+           on_yellow=Select(Option.GOTO, chapter=0),
+           on_green=Select(Option.QUIT))
     ),
-    storyboard.Chapter(
+    Chapter(
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
+        Do(Activity.ADVANCE_LEFT,
-                      sound=fs_names.StoryFile('01dummy')),
+           steps=-50),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP),  # Bild 3
+        Do(Activity.ADVANCE_UP,
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
+           steps=-20)
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP),  # Bild 4
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=0.0),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP),  # Bild 5
     ),
-    storyboard.Chapter(
+    Chapter(
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
+        Do(Activity.ADVANCE_LEFT,
-                      intensity=1.0),
+           steps=100),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
+        Do(Activity.ADVANCE_UP,
-                      sound=fs_names.StoryFile('01dummy')),
+           steps=50),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
+        Do(Activity.WAIT_FOR_INPUT,
-                      sound=fs_names.StoryFile('01dummy')),
+           on_blue=Select(Option.CONTINUE),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
+           on_red=Select(Option.REPEAT),
-                      sound=fs_names.SFX_REC_AUDIO),
+           on_yellow=Select(Option.GOTO, chapter=0),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
+           on_green=Select(Option.QUIT))
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.SFX_REC_AUDIO),
-        storyboard.Do(storyboard.Activity.RECORD_SOUND,
-                      filename=fs_names.REC_NAME,
-                      duration=7.0,
-                      cache=True),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.SFX_STOP_REC),
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.REC_NAME),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP),  # Bild 6
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.SFX_REC_AUDIO),
-        storyboard.Do(storyboard.Activity.RECORD_SOUND,
-                      filename=fs_names.REC_CITY_DESC,
-                      duration=60.0),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.SFX_STOP_REC),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP)   # Bild 7
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=0.0),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.TAKE_PHOTO,
-                      filename=fs_names.REC_PORTRAIT),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.SFX_SHUTTER)
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP)
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=1.0),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=0., fade=2.0),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP)   # Bild 9
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.LIGHT_LAYER,
-                      intensity=1., fade=0.5),
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=1., fade=0.5),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.LIGHT_LAYER,
-                      intensity=0., fade=1.),
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=0., fade=1.),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP)   # Bild 10
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=1., fade=1.),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=0., fade=1.),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP)   # Bild 11
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=1., fade=1.),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=0., fade=1.),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP)   # Bild 12
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=1., fade=.5),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP)   # Bild 13
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=0., fade=1.),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.SFX_REC_AUDIO),
-        storyboard.Do(storyboard.Activity.RECORD_SOUND,
-                      filename=fs_names.REC_CITY_NAME,
-                      duration=7.0),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.SFX_STOP_REC),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP)   # Bild 14
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=1., fade=1.),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.SFX_REC_AUDIO),
-        storyboard.Do(storyboard.Activity.RECORD_SOUND,
-                      filename=fs_names.REC_CITY_DESC,
-                      duration=60.0),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.SFX_STOP_REC),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP)   # Bild 15
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.SFX_REC_AUDIO),
-        storyboard.Do(storyboard.Activity.RECORD_SOUND,
-                      filename=fs_names.REC_CITY_DESC,
-                      duration=60.0),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.SFX_STOP_REC),
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=0., fade=1.),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP)  # Bild 16
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=1., fade=1.),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP)  # Bild 17
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=0., fade=1.),
-        storyboard.Do(storyboard.Activity.WAIT_FOR_INPUT),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.SFX_REC_AUDIO),
-        storyboard.Do(storyboard.Activity.RECORD_VIDEO,
-                      filename=fs_names.REC_DRAW_CITY,
-                      duration=60.0),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.SFX_STOP_REC),
-
-        storyboard.Do(storyboard.Activity.ADVANCE_UP)  # Bild 18
-    ),
-    storyboard.Chapter(
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=1., fade=1.),
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.ADVANCE_UP),  # Bild 19
-        storyboard.Do(storyboard.Activity.PLAY_SOUND,
-                      sound=fs_names.StoryFile('01dummy')),
-        storyboard.Do(storyboard.Activity.LIGHT_BACK,
-                      intensity=0., fade=2.)
     )
 ]

pizzactrl/statemachine.py

@@ -9,10 +9,11 @@ from enum import Enum, auto
 from subprocess import call
 
 from pizzactrl import fs_names, sb_dummy
-from .storyboard import Activity
+from pizzactrl.hal import ScrollSensor
-from .hal_serial import SerialCommunicationError, play_sound, take_photo, record_video, record_sound, turn_off, \
+from .storyboard import Activity, Select, Option
-                 PizzaHAL, init_camera, init_sounds, wait_for_input, \
+from .hal_serial import SerialCommunicationError, PizzaHAL, play_sound, take_photo, record_video, record_sound, turn_off, wait_for_input, \
-                 light_layer, backlight, move_vert, move_hor, rewind
+                 light, move, rewind
+from pizzactrl import storyboard
 
 logger = logging.getLogger(__name__)
 
@@ -50,25 +51,47 @@ def load_sounds():
     return soundcache
 
 
+# Map Activities to function calls
+ACTIVITY_SELECTOR = {
+                        Activity.PLAY_SOUND: play_sound,
+                        Activity.RECORD_SOUND: record_sound,
+                        Activity.RECORD_VIDEO: record_video,
+                        Activity.TAKE_PHOTO: take_photo,
+                        Activity.LIGHT_LAYER: light,
+                        Activity.LIGHT_BACK: light,
+                        Activity.ADVANCE_UP: move,
+                        Activity.ADVANCE_LEFT: move
+                    }
+
+
 class Statemachine:
     def __init__(self,
                  story_de: Any=None,
                  story_en: Any=None,
                  move: bool = False,
-                 loop: bool = True):
+                 loop: bool = True,
+                 test: bool = False):
         self.state = State.POWER_ON
         self.hal = PizzaHAL()
+
+        self.chapter = 0
+        self.next_chapter = 0
+
         self.story = None
         self.story_de = story_de
         self.story_en = story_en
-        self.alt = False
+        
         self.lang = Language.NOT_SET
-        self.move = move
+        
-        self.test = False
+        self.MOVE = move          # self.move is reset to this value
+        self.move = self.MOVE
+        
+        self.test = test
         self.loop = loop
 
     def run(self):
         logger.debug(f'Run(state={self.state})')
+
         choice = {
                 State.POWER_ON: self._power_on,
                 State.POST: self._post,
@@ -77,6 +100,7 @@ class Statemachine:
                 State.REWIND: self._rewind,
                 State.IDLE_END: self._idle_end
              }
+            
         while (self.state is not State.ERROR) and \
                 (self.state is not State.SHUTDOWN):
             choice[self.state]()
@@ -107,40 +131,51 @@ class Statemachine:
         Initialize hal callbacks, load sounds
         """
         logger.debug(f'power on')
+        
+        # TODO enable lid sensor
         # self.hal.lid_sensor.when_pressed = self._lid_open
         # self.hal.lid_sensor.when_released = self._lid_closed
-        try:
+        
-            self.hal.init_connection()
+        self.hal.init_sounds(load_sounds())
-        except SerialCommunicationError as e:
+        self.hal.init_camera()
-            self.state = State.ERROR
+
-            logger.exception(e)
-            return 
-        init_sounds(self.hal, load_sounds())
-        init_camera(self.hal)
         self.state = State.POST
 
     def _post(self):
         """
         Power on self test.
         """
-        logger.debug(f'post')
-        # check scroll positions and rewind if necessary
-        turn_off(self.hal)
 
-        if not os.path.exists(fs_names.USB_STICK):
+        logger.debug(f'post')
+
+        if (not self.test) and (not os.path.exists(fs_names.USB_STICK)):
             logger.warning('USB-Stick not found.')
             self.state = State.ERROR
             return
 
+        # TODO set RPi_HELO pins, wait for response
+
         # Callback for start when blue button is held
-        self.hal.btn_start.when_activated = self._start_or_rewind
+        # self.hal.btn_start.when_activated = self._start_or_rewind
-        logger.debug('start button callback activated')
+        # logger.debug('start button callback activated')
+
+        try:
+            self.hal.init_connection()
+        except SerialCommunicationError as e:
+            self.state = State.ERROR
+            logger.exception(e)
+            return
 
         # play a sound if everything is alright
         play_sound(self.hal, fs_names.SFX_POST_OK)
 
-        self.state = State.IDLE_START
+        if self.test:
-        logger.debug('idle_start')
+            self.state = State.PLAY
+            logger.debug('play')
+        else:
+            self.state = State.IDLE_START
+            logger.debug('idle_start')
+        
 
     def _idle_start(self):
         """
@@ -148,24 +183,9 @@ class Statemachine:
         """
         pass
 
-    def _start_or_rewind(self):
-        """
-        Callback function.
-
-        If statemachine is in idle state, start playback when start
-        button is pressed (released).
-
-        If statemachine is playing, trigger rewind and start fresh
-        """
-        if self.state == State.IDLE_START:
-            self.state = State.PLAY
-            return
-        if self.state == State.PLAY:
-            self.state = State.REWIND
-
     def _play(self):
         """
-        Run the storyboard
+        Select language, then run the storyboard
         """
         logger.debug(f'play')
         if self.test:
@@ -174,48 +194,134 @@ class Statemachine:
             # TODO reenable language selection
             self.story = self.story_en
 
-        for chapter in iter(self.story):
+        while self.chapter is not None:
-            logger.debug(f'playing chapter {chapter}')
+            self._play_chapter()
+            self._advance_chapter()
+            
+        self.state = State.REWIND
+
+    def _option_callback(self, selection: Select):
+        """
+        Return a callback for the appropriate option and parameters.
+        Callbacks set the properties of `Statemachine` to determine it's behaviour.
+        """
+        rewind = selection.values.get('rewind', Option.REPEAT.value['rewind'])
+        next_chapter = selection.values.get('chapter', Option.GOTO.value['chapter'])
+        shutdown = selection.values.get('shutdown', Option.QUIT.value['shutdown'])
+        
+        def _continue(**kwargs):
+            """
+            Continue in the Storyboard. Prepare advancing to the next chapter.
+            """
+            self.move = self.MOVE
+            if len(self.story) > (self.chapter + 1):
+                self.next_chapter = self.chapter + 1
+            else:
+                self.next_chapter = None
+
+        def _repeat(**kwargs):
+            """
+            Repeat the current chapter. Do not rewind if the selection says so.
+            """
+            self.move = rewind
+            self.next_chapter = self.chapter
+        
+        def _goto(**kwargs):
+            """
+            Jump to a specified chapter.
+            """
+            self.move = self.MOVE
+            self.next_chapter = next_chapter
+
+        def _quit(**kwargs):
+            self.move = self.MOVE
+            self.loop = not shutdown
+            self.next_chapter = None
+
+        return {
+                   Option.CONTINUE: _continue,
+                   Option.REPEAT: _repeat,
+                   Option.GOTO: _goto,
+                   Option.QUIT: _quit,
+                   None: None
+               }[selection.option]
+
+    def _play_chapter(self):
+        """
+        Play the chapter specified by self.chapter
+        """
+        logger.debug(f'playing chapter {self.chapter}')
+
+        if self.chapter < len(self.story):
+            chapter = self.story[self.chapter]
+
             while chapter.hasnext():
                 act = next(chapter)
                 logger.debug(f'next activity {act.activity}')
                 if act.activity is Activity.WAIT_FOR_INPUT:
                     wait_for_input(hal=self.hal,
-                                   go_callback=chapter.mobilize,
+                                blue_cb = self._option_callback(act.values['on_blue']),
-                                   back_callback=chapter.rewind,
+                                red_cb = self._option_callback(act.values['on_red']),
-                                   to_callback=self._start_or_rewind)
+                                yellow_cb = self._option_callback(act.values['on_yellow']),
-                # elif act.activity is Activity.ADVANCE_UP:
+                                green_cb = self._option_callback(act.values['on_green']),
-                #     if chapter.move and self.move:
+                                timeout_cb = self._option_callback(act.values['on_timeout']),
-                #         logger.debug(
+                                **act.values)
-                #             f'advance({self.hal.motor_ud}, '
-                #             f'{self.hal.ud_sensor})')
-                #         advance(motor=self.hal.motor_ud,
-                #                 sensor=self.hal.ud_sensor)
-                #     elif not self.move:
-                #         play_sound(self.hal, fs_names.StoryFile('stop'))
                 else:
                     try:
-                        {
+                        ACTIVITY_SELECTOR[act.activity](self.hal, **act.values)
-                            Activity.PLAY_SOUND: play_sound,
-                            Activity.RECORD_SOUND: record_sound,
-                            Activity.RECORD_VIDEO: record_video,
-                            Activity.TAKE_PHOTO: take_photo,
-                            Activity.LIGHT_LAYER: light_layer,
-                            Activity.LIGHT_BACK: backlight,
-                            # Activity.ADVANCE_UP: move_vert,
-                            # Activity.ADVANCE_LEFT: move_hor
-                        }[act.activity](self.hal, **act.values)
                     except KeyError:
                         logger.exception('Caught KeyError, ignoring...')
                         pass
             
-        self.state = State.REWIND
+            self.next_chapter = self.chapter + 1
+        else:
+            self.next_chapter = None
+    
+    def _advance_chapter(self):
+        """
+        Update chapters and move the scrolls.
+        Update self.chapter to self.next_chapter
+        """
+        if self.next_chapter is not None:
+            diff = self.next_chapter - self.chapter
+            h_steps = 0
+            v_steps = 0
+            if diff < 0:
+                """
+                Rewind all chapters up to target
+                """
+                for ch in self.story[self.next_chapter:self.chapter]:
+                    steps = ch.rewind()
+                    h_steps += steps['h_steps']
+                    v_steps += steps['v_steps']
+
+            elif diff > 0:
+                """
+                Skip all chapters up to target
+                """
+                for ch in self.story[self.chapter:self.next_chapter]:
+                    steps = ch.skip()
+                    h_steps += steps['h_steps']
+                    v_steps += steps['v_steps']
+            else:
+                """
+                Rewind current chapter
+                """
+                steps = self.story[self.chapter].rewind()
+                h_steps = steps['h_steps']
+                v_steps = steps['v_steps']
+
+            if self.move:
+                move(self.hal, h_steps, True)
+                move(self.hal, v_steps, False)
+
+        self.chapter = self.next_chapter
 
     def _rewind(self):
         """
         Rewind all scrolls, post-process videos
         """
-        # postprocessing
+        # TODO postprocessing - add sound
         logger.debug('Converting video...')
         cmdstring = f'MP4Box -add {fs_names.REC_DRAW_CITY} {fs_names.REC_MERGED_VIDEO}'
         call([cmdstring], shell=True)
@@ -223,6 +329,7 @@ class Statemachine:
         logger.debug('Rewinding...')
         if self.move:
             rewind(self.hal)
+        
         for chapter in self.story:
             chapter.rewind()
 

pizzactrl/storyboard.py

@@ -1,19 +1,70 @@
 from enum import Enum, auto
 
 
+class Option(Enum):
+    """
+    Options can be chosen by the user in WAIT_FOR_INPUT
+    """
+    CONTINUE = {}               # Continue with chapter
+    REPEAT = {'rewind': True}   # Repeat chapter from beginning. `rewind=True`: reset scrolls to starting position  
+    GOTO = {'chapter': 0}       # Jump to chapter number
+    QUIT = {'shutdown': True}   # End playback. `shutdown=True` also powers off box
+
+
+class Select:
+    """
+    An option instance. Can override the default settings from `Option`s
+    """
+    def __init__(self, option: Option, **kwargs):
+        self.option = option
+        self.values = {}
+        if option is not None:
+            for key, value in self.option.value.items():
+                self.values[key] = kwargs.get(key, value)
+
+
 class Activity(Enum):
-    WAIT_FOR_INPUT = {'steps': 0}
+    """
-    PLAY_SOUND = {'sound': None}
+    Things the box can do
-    RECORD_SOUND = {'duration': 0.0, 'filename': '', 'cache': False}
+    """
-    RECORD_VIDEO = {'duration': 0.0, 'filename': ''}
+    WAIT_FOR_INPUT = {'on_blue': Select(Option.CONTINUE), 
-    TAKE_PHOTO = {'filename': ''}
+                      'on_red': Select(Option.REPEAT), 
-    ADVANCE_UP = {'speed': 0.3, 'direction': True, 'steps': 100}
+                      'on_yellow': Select(None), 
-    ADVANCE_LEFT = {'speed': 0.3, 'direction': True, 'steps': 200}  # TODO set right number of steps
+                      'on_green': Select(None), 
-    LIGHT_LAYER = {'intensity': 1.0, 'fade': 0.0, 'layer': True}
+                      'on_timeout': Select(Option.QUIT),
-    LIGHT_BACK = {'intensity': 1.0, 'fade': 0.0}
+                      'sound': None, 
+                      'timeout': 0}
+    PLAY_SOUND =     {'sound': None}
+    RECORD_SOUND =   {'duration': 10.0, 
+                      'filename': '', 
+                      'cache': False}
+    RECORD_VIDEO =   {'duration': 60.0, 
+                      'filename': ''}
+    TAKE_PHOTO =     {'filename': ''}
+    ADVANCE_UP =     {'steps': 100,          # TODO set right number of steps
+                      'direction': True,
+                      'horizontal': False}
+    ADVANCE_LEFT =   {'steps': 200,          # TODO set right number of steps
+                      'direction': True,
+                      'horizontal': True}
+    LIGHT_LAYER =    {'r': 0,
+                      'g': 0,
+                      'b': 0,
+                      'w': 1.0,
+                      'fade': 1.0,
+                      'backlight': False}
+    LIGHT_BACK =     {'r': 0,
+                      'g': 0,
+                      'b': 0,
+                      'w': 1.0,
+                      'fade': 1.0,
+                      'backlight': True}
 
 
 class Do:
+    """
+    An activity instance. Can override the default settings from `Activity`s
+    """
     def __init__(self, activity: Activity, **kwargs):
         self.activity = activity
         self.values = {}
@@ -23,33 +74,63 @@ class Do:
 
 class Chapter:
     """
-    A logical storyboard entity, which can be replayed (rewind to start).
+    A logical storyboard entity, which can be replayed (rewind to start) 
+    or skipped (do all movements at once).
 
     Keeps track of advanced steps on the scrolls.
     """
     def __init__(self, *activities):
         self.activities = activities
-        self.pos = 0
+        self.index = 0
-        self.move = True
+        self.h_pos = 0
-        self.move_ud = 0
+        self.v_pos = 0
         
     def __iter__(self):
         return self
 
     def __next__(self):
-        if self.pos >= len(self.activities):
+        if self.index >= len(self.activities):
             raise StopIteration
-        act = self.activities[self.pos]
+        
-        self.pos += 1
+        act = self.activities[self.index]
+        self._update_pos(act)
         return act
 
+    def _update_pos(self, act: Activity):
+        """
+        Update the positions from the activity.
+        Implicitly increments the index.
+        """
+        self.index += 1
+        if act.activity is Activity.ADVANCE_UP:
+            self.v_pos += act.values.get('steps', 0)
+        elif act.activity is Activity.ADVANCE_LEFT:
+            self.h_pos += act.values.get('steps', 0)
+
     def hasnext(self):
-        return self.pos < len(self.activities)
+        """
+        Returns True if the chapter has more activities
+        """
+        return self.index < len(self.activities)
 
     def rewind(self, **kwargs):
-        self.move = False
+        """
-        self.pos = 0
+        Reset the position to zero. Return how many steps are needed to rewind the scrolls
+        """
+        self.index = 0
+        h_pos = self.h_pos
+        v_pos = self.v_pos
+        self.h_pos = 0
+        self.v_pos = 0
+        return {'h_steps': -h_pos, 'v_steps': -v_pos}
 
-    def mobilize(self, **kwargs):
+    def skip(self, **kwargs):
-        self.move = True
+        """
+        Skip chapter. Returns all movements necessary to advance scrolls.
+        """
+        h_pos = self.h_pos
+        v_pos = self.v_pos
+        for act in self.activities[self.index:]:
+            self._update_pos(act)
+        return {'h_steps': self.h_pos - h_pos, 'v_steps': self.v_pos - v_pos}