jjmilburn

# Theoretically, do we want to allow an 'independent' mode where PAYG credit is always independent of link state?

1 or more NX Channel Links
  link or unlink event -> link state?
  reset -> Credit Independent
  
  Credit Leading&
    tick? -> push credit update to accessory
    event indicates PAYG credit has updated? -> push credit update to accessory   
    

jjmilburn

PAYG Accessory&
  Link State
    Unlinked*
      valid_link_challenge_received->Authenticating Link
    Linking
      Authenticating Link
        authenticated_ok->Respond Confirming Link
        failed_authentication-> Error During Linking
      Respond Confirming Link
        respond_success->Linked

jjmilburn

PAYG Credit Resource Interaction with NXC Links

  # Initial state -
  # implies that link state should be initialized before PAYG credit initializes
  NXC Linked?*
    No links? -> No NXC links
    Any linked accessory has PAYG credit resource? -> Credit Leading
    Any linked controller has PAYG credit resource? -> Credit Following
    
  No NXC links