def __init__(self, devices={}, audio_config=None, features=_stub_features):
if len(devices) <= 0:
raise ValueError('Must have at least one RF device')
gr.top_block.__init__(self, "SDR top block")
self.__running = False # duplicate of GR state we can't reach, see __start_or_stop
self.__has_a_useful_receiver = False
# Configuration
# TODO: device refactoring: Remove vestigial 'accessories'
self._sources = {k: d for k, d in devices.iteritems() if d.can_receive()}
self._accessories = accessories = {k: d for k, d in devices.iteritems() if not d.can_receive()}
self.source_name = self._sources.keys()[0] # arbitrary valid initial value
self.__rx_device_type = Enum({k: v.get_name() or k for (k, v) in self._sources.iteritems()})
# Audio early setup
self.__audio_manager = AudioManager( # must be before contexts
graph=self,
audio_config=audio_config,
stereo=features['stereo'])
# Blocks etc.
# TODO: device refactoring: remove 'source' concept (which is currently a device)
# TODO: remove legacy no-underscore names, maybe get rid of self.source
self.source = None
self.__monitor_rx_driver = None
self.monitor = MonitorSink(
signal_type=SignalType(sample_rate=10000, kind='IQ'), # dummy value will be updated in _do_connect
context=Context(self))
self.monitor.get_interested_cell().subscribe(self.__start_or_stop_later)
self.__clip_probe = MaxProbe()
# Receiver blocks (multiple, eventually)
self._receivers = {}
self._receiver_valid = {}
# collections
# TODO: No longer necessary to have these non-underscore names
self.sources = CollectionState(self._sources)
self.receivers = ReceiverCollection(self._receivers, self)
self.accessories = CollectionState(accessories)
self.__telemetry_store = TelemetryStore()
# Flags, other state
self.__needs_reconnect = [u'initialization']
self.__in_reconnect = False
self.receiver_key_counter = 0
self.receiver_default_state = {}
self.__cpu_calculator = LazyRateCalculator(lambda: time.clock())
# Initialization
def hookup_vfo_callback(k, d): # function so as to not close over loop variable
d.get_vfo_cell().subscribe(lambda: self.__device_vfo_callback(k))
for k, d in devices.iteritems():
hookup_vfo_callback(k, d)
self._do_connect()
def __init__(self, devices={}, audio_config=None, stereo=True):
if not len(devices) > 0:
raise ValueError('Must have at least one RF device')
#for key, audio_device in audio_devices.iteritems():
# if key == CLIENT_AUDIO_DEVICE:
# raise ValueError('The name %r for an audio device is reserved' % (key,))
# if not audio_device.can_transmit():
# raise ValueError('Audio device %r is not an output' % (key,))
if audio_config is not None:
# quick kludge placeholder -- currently a Device-device can't be stereo so we have a placeholder thing
audio_device_name, audio_sample_rate = audio_config
audio_devices = {
'server': (audio_sample_rate,
audio.sink(audio_sample_rate, audio_device_name,
False))
}
else:
audio_devices = {}
gr.top_block.__init__(self, "SDR top block")
self.__unpaused = True # user state
self.__running = False # actually started
# Configuration
# TODO: device refactoring: Remove vestigial 'accessories'
self._sources = {
k: d
for k, d in devices.iteritems() if d.can_receive()
}
accessories = {
k: d
for k, d in devices.iteritems() if not d.can_receive()
}
self.source_name = self._sources.keys()[
0] # arbitrary valid initial value
# Audio early setup
self.__audio_devices = audio_devices # must be before contexts
# Blocks etc.
# TODO: device refactoring: remove 'source' concept (which is currently a device)
self.source = None
self.__rx_driver = None
self.__source_tune_subscription = None
self.monitor = MonitorSink(
signal_type=SignalType(
sample_rate=10000,
kind='IQ'), # dummy value will be updated in _do_connect
context=Context(self))
self.__clip_probe = MaxProbe()
# Receiver blocks (multiple, eventually)
self._receivers = {}
self._receiver_valid = {}
self.__shared_objects = {}
# kludge for using collection like block - TODO: better architecture
self.sources = CollectionState(self._sources)
self.receivers = ReceiverCollection(self._receivers, self)
self.accessories = CollectionState(accessories)
# TODO: better name than "shared objects"
self.shared_objects = CollectionState(self.__shared_objects,
dynamic=True)
# Audio stream bits
audio_destination_dict = {
key: 'Server' or key
for key, device in audio_devices.iteritems()
} # temp name till we have proper device objects
audio_destination_dict[
CLIENT_AUDIO_DEVICE] = 'Client' # TODO reconsider name
self.__audio_destination_type = Enum(audio_destination_dict,
strict=True)
self.__audio_channels = 2 if stereo else 1
self.audio_queue_sinks = {}
self.__audio_buses = {
key: BusPlumber(self, self.__audio_channels)
for key in audio_destination_dict
}
# Flags, other state
self.__needs_reconnect = True
self.input_rate = None
self.input_freq = None
self.receiver_key_counter = 0
self.receiver_default_state = {}
self.last_wall_time = time.time()
self.last_cpu_time = time.clock()
self.last_cpu_use = 0
self._do_connect()