parameters: (device_index, channel_index, channel_frequency, request_content)
docstring: Register a channel or change its center frequency reference
docstring_summary: Register a channel or change its center frequency reference
docstring_tokens: Register a channel or change its center frequency reference
function: def register_channel(device_index, channel_index, channel_frequency, request_content):
      """ Register a channel or change its center frequency reference """
  # ----------------------------------------------------------------------
      global TRACKING_DICT
      TRACKING_DICT.update({
          (device_index, channel_index) : {
              'channelFrequency': channel_frequency,
              'trackerFrequency': TRACKER_OFFSET,
              'requestContent': request_content
          }
      })
function_tokens: def register_channel ( device_index , channel_index , channel_frequency , request_content ) : # ---------------------------------------------------------------------- global TRACKING_DICT TRACKING_DICT . update ( { ( device_index , channel_index ) : { 'channelFrequency' : channel_frequency , 'trackerFrequency' : TRACKER_OFFSET , 'requestContent' : request_content } } )