raspi.py 文件源码

def __init__(self, layout):
    ClassLogger.__init__(self)

    # IO event callbacks occur in another thread, dbus/gdk need
    # to be made aware of this.
    gobject.threads_init()

    GPIO.setmode(GPIO.BCM)

    self._layout = layout
    for name, config in layout.iteritems():
      for point in ['pin', 'pull_up_down']:
        Inputs._raise_if_not_in(point, config)

      config = copy.deepcopy(config)
      config['name'] = name

      self._inputs_by_channel[config['pin']] = config
      self._configure_input(name, config)