def __make_markers(self, period):
digitizer_marker = Sequencer.make_marker(
period, self.digitizer_marker_uptime(),
self.digitizer_marker_delay())
awg_marker = Sequencer.make_marker(period, self.awg_marker_uptime(),
self.awg_marker_delay())
return dict({'m4i_mk': digitizer_marker, 'awg_mk': awg_marker})
def test_offset_raises_errors(self):
period = 10e-9
offset = -11e-9
uptime = 2e-9
with self.assertRaises(ValueError) as error:
Sequencer.make_marker(period=period, offset=offset, uptime=uptime)
self.assertIn('Invalid argument value for offset: |-1.1e-08| > 1e-08!', error.exception.args)
offset = -offset
with self.assertRaises(ValueError) as error:
Sequencer.make_marker(period=period, offset=offset, uptime=uptime)
self.assertIn('Invalid argument value for offset: |1.1e-08| > 1e-08!', error.exception.args)
def test_make_marker_no_regression(self):
period = 10e-9
offset = 0
uptime = 4e-9
marker = Sequencer.make_marker(period=period, offset=offset, uptime=uptime)
self.assertEqual(offset, marker['offset'])
self.assertEqual(uptime, marker['uptime'])
parameters = marker['wave'].subtemplates[0].parameter_mapping
self.assertEqual(10, parameters['period'])
self.assertEqual(0, parameters['offset'])
self.assertEqual(4, parameters['uptime'])
def test_make_marker_negative_offset(self):
period = 10e-9
offset = -3e-9
uptime = 2e-9
marker = Sequencer.make_marker(period=period, offset=offset, uptime=uptime)
self.assertEqual(offset, marker['offset'])
self.assertEqual(uptime, marker['uptime'])
parameters = marker['wave'].subtemplates[0].parameter_mapping
self.assertEqual(7, parameters['offset'])
self.assertEqual(2, parameters['uptime'])
self.assertEqual(10, parameters['period'])
def make_markers(self, period, repetitions=1):
""" Constructs the markers for triggering the digitizer readout and the slave AWG
start sequence. The sequence length equals the period x repetitions.
Arguments:
period (float): The period of the markers in seconds.
repetitions (int): The number of markers in the sequence.
"""
marker_properties = {}
uptime = self.digitizer_marker_uptime()
delay = self.digitizer_marker_delay()
if VirtualAwg.__digitizer_name in self._settings.awg_map:
digitizer_marker = Sequencer.make_marker(period, uptime, delay, repetitions)
marker_properties[VirtualAwg.__digitizer_name] = [digitizer_marker]
if VirtualAwg.__awg_slave_name in self._settings.awg_map:
awg_marker = Sequencer.make_marker(period, uptime, delay, repetitions)
marker_properties[VirtualAwg.__awg_slave_name] = [awg_marker]
return marker_properties
def test_make_marker_negative_offset_rollover(self):
period = 10e-9
offset = -2e-9
uptime = 4e-9
with patch('warnings.warn') as warn:
marker = Sequencer.make_marker(period=period, offset=offset, uptime=uptime)
warn.assert_called_once_with('Marker rolls over to subsequent period.')
self.assertEqual(offset, marker['offset'])
self.assertEqual(uptime, marker['uptime'])
parameters = marker['wave'].subtemplates[0].parameter_mapping
self.assertEqual(8, parameters['offset'])
self.assertEqual(4, parameters['uptime'])
self.assertEqual(10, parameters['period'])
def test_uptime_raises_errors(self):
period = 10e-9
offset = 0
uptime = 0
with self.assertRaises(ValueError) as error:
Sequencer.make_marker(period=period, offset=offset, uptime=uptime)
self.assertIn("Invalid argument value for uptime '0'!", error.exception.args)
uptime = 11e-9
with self.assertRaises(ValueError) as error:
Sequencer.make_marker(period=period, offset=offset, uptime=uptime)
self.assertIn("Invalid argument value for uptime '1.1e-08'!", error.exception.args)
uptime = -1e-9
with self.assertRaises(ValueError) as error:
Sequencer.make_marker(period=period, offset=offset, uptime=uptime)
self.assertIn("Invalid argument value for uptime '-1e-09'!", error.exception.args)