def open_device(self, name, ok):
if not ok:
self._main_window.show()
return
if self.dut:
self.dut.disconnect()
self._main_window.show()
dut = WSA(connector=TwistedConnector(self._reactor))
yield dut.connect(name)
self.dev_set = {
'attenuator': 0,
'freq': 2450e6,
'decimation': 1,
'fshift': 0,
'rfe_mode': 'SH',
'iq_output_path': 'DIGITIZER'
}
self.dut = dut
self.dut_prop = self.dut.properties
self.bandwidth = self.dut_prop.FULL_BW[self.dev_set['rfe_mode']]
self.rbw = 125000000 / SAMPLE_VALUES[3]
self.enable_mhold = False
self.mhold = []
self.cap_dut = CaptureDevice(dut,
async_callback=self.receive_capture,
device_settings=self.dev_set)
self.initUI()
self.enable_controls()
self.read_block()
def set_device(self, dut=None, playback_filename=None):
"""
Detach any currenly attached device and stop playback then
optionally attach to a new device or playback file.
:param dut: a :class:`pyrf.thinkrf.WSA` or None
:param playback_filename: recorded VRT data filename or None
:param playback_scheduler: function to schedule each playback capture
"""
if self._playback_file:
self._playback_file.close()
self._playback_file = None
if self._dut:
self._dut.disconnect()
if playback_filename:
self._playback_file = open(playback_filename, 'rb')
self._playback_started = False
self._playback_context = {}
vrt_packet = self._playback_vrt(auto_rewind=False)
state_json = vrt_packet.fields['speca']
# support old playback files
if state_json['device_identifier'] == 'unknown':
state_json['device_identifier'] = 'ThinkRF,WSA5000 v3,0,0'
dut = Playback(state_json['device_class'],
state_json['device_identifier'])
self._sweep_device = SweepDevice(dut)
self._capture_device = CaptureDevice(dut)
elif dut:
dut.reset()
self._sweep_device = SweepDevice(dut, self.process_sweep)
self._capture_device = CaptureDevice(dut, self.process_capture)
state_json = dict(dut.properties.SPECA_DEFAULTS,
device_identifier=dut.device_id)
self._dut = dut
if not dut:
return
self.device_change.emit(dut)
self._apply_complete_settings(state_json, bool(self._playback_file))
self.start_capture()
