Add info to OLED

[willwillems]

Data taken from QML:

• Is playing
• Cue position

  AppProperty { id: activeCueType;   path: "app.traktor.decks." + (deckId+1) + ".track.cue.active.type"        }
  AppProperty { id: activeCueStart;  path: "app.traktor.decks." + (deckId+1) + ".track.cue.active.start_pos"   }
  AppProperty { id: activeCueLength; path: "app.traktor.decks." + (deckId+1) + ".track.cue.active.length"      }
  

• Hot cues
  path: "app.traktor.decks." + deckId + ".track.cue.hotcues." + (index + 1) + ".start_pos"
• Ending warning
  path: "app.traktor.decks." + (deckId+1) + ".track.track_end_warning"
• Loop/loop is active

  // If the playhead is in a loop, propIsLooping is TRUE and the loop becomes the active cue.
  AppProperty   { id: propIsLooping;     path: "app.traktor.decks." + (deckId + 1) + ".loop.is_in_active_loop";        onValueChanged: { updateLooping(); } }
  AppProperty   { id: propLoopStart;     path: "app.traktor.decks." + (deckId + 1) + ".track.cue.active.start_pos";    onValueChanged: { updateLooping(); } }
  AppProperty   { id: propLoopLength;    path: "app.traktor.decks." + (deckId + 1) + ".track.cue.active.length";       onValueChanged: { updateLooping(); } }
  

  AppProperty { id: loopEnabled; path: "app.traktor.decks." + (parent.deckId+1) + ".loop.active" }
  AppProperty { id: loopSizePos; path: "app.traktor.decks." + (parent.deckId+1) + ".loop.size";