def setUp(self):
        super().setUp()

        ramp_up = np.linspace(0, 2**14 - 1, num=192, dtype=np.uint16)
        ramp_down = ramp_up[::-1]
        zero = np.ones(192, dtype=np.uint16) * 2**13
        sine = ((np.sin(np.linspace(0, 2 * np.pi, 192 + 64)) + 1) / 2 *
                (2**14 - 1)).astype(np.uint16)

        self.segments = [
            TaborSegment.from_sampled(ramp_up, ramp_up, None, None),
            TaborSegment.from_sampled(ramp_down, zero, None, None),
            TaborSegment.from_sampled(sine, sine, None, None)
        ]

        self.zero_segment = TaborSegment.from_sampled(zero, zero, None, None)

        # program 1
        self.sequence_tables_raw = [[(10, 0, 0), (10, 1, 0), (10, 0, 0),
                                     (10, 1, 0)],
                                    [(1, 0, 0), (1, 1, 0), (1, 0, 0),
                                     (1, 1, 0)]]
        self.advanced_sequence_table = [(1, 1, 0), (1, 2, 0)]

        self.sequence_tables = self.to_new_sequencer_tables(
            self.sequence_tables_raw)
        self.advanced_sequence_table = self.to_new_advanced_sequencer_table(
            self.advanced_sequence_table)

        self.channel_pair = TaborChannelPair(self.instrument, (1, 2),
                                             'tabor_unit_test')
Exemple #2
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    def test_eq(self):
        ch_a = np.asarray(100 + np.arange(32), dtype=np.uint16)
        ch_b = np.asarray(1000 + np.arange(32), dtype=np.uint16)

        marker_ones = np.ones(16, dtype=bool)
        marker_random = np.asarray(list(range(5)) + list(range(6)) +
                                   list(range(5)),
                                   dtype=np.uint16)
        marker_zeros = np.zeros(16, dtype=bool)

        segment_1 = TaborSegment.from_sampled(ch_a=ch_a,
                                              ch_b=ch_b,
                                              marker_a=marker_ones,
                                              marker_b=marker_random)
        segment_2 = TaborSegment.from_sampled(ch_a=ch_a,
                                              ch_b=ch_a,
                                              marker_a=marker_ones,
                                              marker_b=marker_random)

        segment_a0 = TaborSegment.from_sampled(ch_a=ch_a,
                                               ch_b=ch_b,
                                               marker_a=marker_zeros,
                                               marker_b=marker_random)
        segment_anone = TaborSegment.from_sampled(ch_a=ch_a,
                                                  ch_b=ch_b,
                                                  marker_a=None,
                                                  marker_b=marker_random)
        segment_none = TaborSegment.from_sampled(ch_a=ch_a,
                                                 ch_b=ch_b,
                                                 marker_a=None,
                                                 marker_b=None)

        self.assertEqual(segment_1, segment_1)
        self.assertNotEqual(segment_1, segment_2)

        self.assertEqual(segment_a0, segment_anone)
        self.assertEqual(segment_anone, segment_a0)
        self.assertEqual(segment_anone, segment_anone)
        self.assertNotEqual(segment_anone, segment_none)
        self.assertEqual(segment_none, segment_none)
        self.assertNotEqual(segment_a0, segment_1)

        all_segments = [
            segment_1, segment_2, segment_a0, segment_anone, segment_none
        ]
        for seg_a, seg_b in itertools.product(all_segments, all_segments):
            if seg_a == seg_b:
                self.assertEqual(hash(seg_a), hash(seg_b))
Exemple #3
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    def exec_general(self, data_1, data_2, fill_value=None):
        tabor_segments = [
            TaborSegment.from_sampled(d1, d2, None, None)
            for d1, d2 in zip(data_1, data_2)
        ]
        expected_length = (sum(segment.num_points
                               for segment in tabor_segments) + 16 *
                           (len(tabor_segments) - 1)) * 2

        offset = 0
        pyte_result = 15000 * np.ones(expected_length, dtype=np.uint16)
        for i, segment in enumerate(tabor_segments):
            offset = pytabor.make_combined_wave(segment.ch_a,
                                                segment.ch_b,
                                                dest_array=pyte_result,
                                                dest_array_offset=offset,
                                                add_idle_pts=i > 0)
        self.assertEqual(expected_length, offset)

        result = make_combined_wave(tabor_segments)
        np.testing.assert_equal(pyte_result, result)

        dest_array = 15000 * np.ones(expected_length, dtype=np.uint16)
        result = make_combined_wave(tabor_segments,
                                    destination_array=dest_array)
        np.testing.assert_equal(pyte_result, result)
        # test that the destination array data is not copied
        self.assertEqual(dest_array.__array_interface__['data'],
                         result.__array_interface__['data'])

        with self.assertRaises(ValueError):
            make_combined_wave(tabor_segments, destination_array=np.ones(16))
Exemple #4
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    def __init__(self, tabor_device: TaborAWGRepresentation, channels: Tuple[int, int], identifier: str):
        super().__init__(identifier)
        self._device = weakref.ref(tabor_device)

        self._configuration_guard_count = 0
        self._is_in_config_mode = False

        if channels not in ((1, 2), (3, 4)):
            raise ValueError('Invalid channel pair: {}'.format(channels))
        self._channels = channels

        self._idle_segment = TaborSegment.from_sampled(voltage_to_uint16(voltage=np.zeros(192),
                                                                         output_amplitude=0.5,
                                                                         output_offset=0., resolution=14),
                                                       voltage_to_uint16(voltage=np.zeros(192),
                                                                         output_amplitude=0.5,
                                                                         output_offset=0., resolution=14),
                                                       None, None)
        self._idle_sequence_table = [(1, 1, 0), (1, 1, 0), (1, 1, 0)]

        self._known_programs = dict()  # type: Dict[str, TaborProgramMemory]
        self._current_program = None

        self._segment_lengths = None
        self._segment_capacity = None
        self._segment_hashes = None
        self._segment_references = None

        self._sequencer_tables = None
        self._advanced_sequence_table = None

        self._internal_paranoia_level = 0

        self.clear()
Exemple #5
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    def test_data_a(self):
        ch_a = np.asarray(100 + np.arange(32), dtype=np.uint16)
        ch_b = np.asarray(1000 + np.arange(32), dtype=np.uint16)

        marker_a = np.ones(16, dtype=bool)
        marker_b = np.asarray(list(range(5)) + list(range(6)) + list(range(5)),
                              dtype=np.uint16)

        on = 1 << 14
        off = 0
        marker_a_data = np.asarray([0] * 8 + [on] * 8 + [0] * 8 + [on] * 8,
                                   dtype=np.uint16)

        on = 1 << 15
        off = 0
        marker_b_data = np.asarray([0] * 8 + [off] + [on] * 4 + [off] +
                                   [on] * 2 + [0] * 8 + [on] * 3 + [off] +
                                   [on] * 4)

        ts = TaborSegment.from_sampled(ch_a=ch_a,
                                       ch_b=ch_b,
                                       marker_a=None,
                                       marker_b=None)
        np.testing.assert_equal(ts.data_a, ch_a)

        ts = TaborSegment.from_sampled(ch_a=ch_a,
                                       ch_b=ch_b,
                                       marker_a=marker_a,
                                       marker_b=None)
        expected_data = ch_a + marker_a_data
        np.testing.assert_equal(ts.data_a, expected_data)

        ts = TaborSegment.from_sampled(ch_a=ch_a,
                                       ch_b=ch_b,
                                       marker_a=None,
                                       marker_b=marker_b)
        expected_data = ch_a + marker_b_data
        np.testing.assert_equal(ts.data_a, expected_data)

        ts = TaborSegment.from_sampled(ch_a=ch_a,
                                       ch_b=ch_b,
                                       marker_a=marker_a,
                                       marker_b=marker_b)
        expected_data = ch_a + marker_b_data + marker_a_data
        np.testing.assert_equal(ts.data_a, expected_data)
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    def test_from_sampled(self):
        with self.assertRaisesRegex(TaborException, 'Empty'):
            TaborSegment.from_sampled(None, None, None, None)
        with self.assertRaisesRegex(TaborException, 'same length'):
            TaborSegment.from_sampled(np.zeros(16, dtype=np.uint16),
                                      np.zeros(32, dtype=np.uint16), None,
                                      None)

        ch_a = np.asarray(100 + np.arange(192), dtype=np.uint16)
        ch_b = np.asarray(1000 + np.arange(192), dtype=np.uint16)

        marker_a = np.ones(192 // 2, dtype=bool)
        marker_b = np.arange(192 // 2, dtype=np.uint16)

        self.assert_from_sampled_consistent(ch_a=ch_a,
                                            ch_b=ch_b,
                                            marker_a=marker_a,
                                            marker_b=marker_b)
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 def assert_from_sampled_consistent(ch_a, ch_b, marker_a, marker_b):
     ts = TaborSegment.from_sampled(ch_a=ch_a,
                                    ch_b=ch_b,
                                    marker_a=marker_a,
                                    marker_b=marker_b)
     np.testing.assert_equal(ts.ch_a, ch_a)
     np.testing.assert_equal(ts.ch_b, ch_b)
     np.testing.assert_equal(ts.marker_a, marker_a != 0)
     np.testing.assert_equal(ts.marker_b, marker_b != 0)
     return ts
    def test_upload_segment(self):
        channel_pair = TaborChannelPair(self.instrument,
                                        identifier='asd',
                                        channels=(1, 2))

        self.reset_instrument_logs()

        channel_pair._segment_references = np.array([1, 2, 0, 1],
                                                    dtype=np.uint32)
        channel_pair._segment_capacity = 192 + np.array([0, 16, 32, 32],
                                                        dtype=np.uint32)
        channel_pair._segment_lengths = channel_pair._segment_capacity.copy()

        channel_pair._segment_hashes = np.array([1, 2, 3, 4], dtype=np.int64)

        # prevent entering and exiting configuration mode
        channel_pair._configuration_guard_count = 2

        segment = TaborSegment.from_sampled(
            np.ones(192 + 16, dtype=np.uint16),
            np.zeros(192 + 16, dtype=np.uint16), None, None)
        segment_binary = segment.get_as_binary()
        with self.assertRaises(ValueError):
            channel_pair._upload_segment(3, segment)

        with self.assertRaises(ValueError):
            channel_pair._upload_segment(0, segment)

        channel_pair._upload_segment(2, segment)
        np.testing.assert_equal(
            channel_pair._segment_capacity,
            192 + np.array([0, 16, 32, 32], dtype=np.uint32))
        np.testing.assert_equal(
            channel_pair._segment_lengths,
            192 + np.array([0, 16, 16, 32], dtype=np.uint32))
        np.testing.assert_equal(
            channel_pair._segment_hashes,
            np.array([1, 2, hash(segment), 4], dtype=np.int64))

        expected_commands = [
            ':INST:SEL 1', ':INST:SEL 1', ':INST:SEL 1', ':TRAC:DEF 3, 208',
            ':TRAC:SEL 3', ':TRAC:MODE COMB'
        ]
        expected_log = [
            ((),
             dict(cmd_str=cmd,
                  paranoia_level=channel_pair.internal_paranoia_level))
            for cmd in expected_commands
        ]
        self.assertAllCommandLogsEqual(expected_log)

        self.assert_written_segment_data(segment_binary)
Exemple #9
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    def test_from_binary_segment(self):
        ch_a = np.asarray(100 + np.arange(32), dtype=np.uint16)
        ch_b = np.asarray(1000 + np.arange(32), dtype=np.uint16)

        marker_a = np.ones(16, dtype=bool)
        marker_b = np.asarray(list(range(5)) + list(range(6)) + list(range(5)),
                              dtype=np.uint16)

        segment = TaborSegment.from_sampled(ch_a=ch_a,
                                            ch_b=ch_b,
                                            marker_a=marker_a,
                                            marker_b=marker_b)

        binary = segment.get_as_binary()

        reconstructed = TaborSegment.from_binary_segment(binary)

        self.assertEqual(segment, reconstructed)
Exemple #10
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    def exec_general(self, data_1, data_2):
        tabor_segments = [
            TaborSegment.from_sampled(d1, d2, None, None)
            for d1, d2 in zip(data_1, data_2)
        ]
        expected_length = (sum(segment.num_points
                               for segment in tabor_segments) + 16 *
                           (len(tabor_segments) - 1)) * 2

        result = make_combined_wave(tabor_segments)
        self.assertEqual(len(result), expected_length)

        self.validate_result(tabor_segments, result)

        destination_array = np.empty(expected_length, dtype=np.uint16)
        result = make_combined_wave(tabor_segments,
                                    destination_array=destination_array)
        self.validate_result(tabor_segments, result)
        self.assertEqual(destination_array.data, result.data)
Exemple #11
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    def test_from_binary_data(self):
        ch_a = np.asarray(100 + np.arange(32), dtype=np.uint16)
        ch_b = np.asarray(1000 + np.arange(32), dtype=np.uint16)

        marker_a = np.ones(16, dtype=bool)
        marker_b = np.asarray(list(range(5)) + list(range(6)) + list(range(5)),
                              dtype=np.uint16)

        segment = TaborSegment.from_sampled(ch_a=ch_a,
                                            ch_b=ch_b,
                                            marker_a=marker_a,
                                            marker_b=marker_b)

        data_a = segment.data_a
        data_b = segment.data_b

        reconstructed = TaborSegment.from_binary_data(data_a, data_b)

        self.assertEqual(segment, reconstructed)
Exemple #12
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    def setUp(self):
        self.ch_a = [
            np.arange(16, dtype=np.uint16),
            np.arange(32, 64, dtype=np.uint16)
        ]
        self.ch_b = [
            1000 + np.arange(16, dtype=np.uint16),
            1000 + np.arange(32, 64, dtype=np.uint16)
        ]

        self.marker_a = [np.ones(8, bool), np.array([0, 1] * 8, dtype=bool)]
        self.marker_b = [
            np.array([0, 0, 0, 1] * 2, bool),
            np.array([1, 0, 1, 1] * 4, dtype=bool)
        ]

        self.segments = [
            TaborSegment.from_sampled(ch_a, ch_b, marker_a, marker_b)
            for ch_a, ch_b, marker_a, marker_b in zip(
                self.ch_a, self.ch_b, self.marker_a, self.marker_b)
        ]

        self.sequencer_tables = [[(1, 1, 0), (1, 2, 0)],
                                 [(1, 1, 0), (2, 2, 0), (1, 1, 0)]]
        self.adv_sequencer_table = [(1, 1, 0), (1, 2, 0), (2, 1, 0)]

        self.read_segments = [
            segment.get_as_binary() for segment in self.segments
        ]
        self.read_sequencer_tables = [
            (np.array([1, 1]), np.array([1, 2]), np.array([0, 0])),
            (np.array([1, 2, 1]), np.array([1, 2, 1]), np.array([0, 0, 0]))
        ]
        self.read_adv_sequencer_table = (np.array([1, 1,
                                                   2]), np.array([1, 2, 1]),
                                         np.array([0, 0, 0]))

        self.selection_order = [0, 1, 0, 1, 1, 0, 0, 1, 0, 1]
        self.selection_order_without_repetition = [0, 1, 0, 1, 0, 0, 1, 0, 1]
Exemple #13
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 def test_num_points(self):
     self.assertEqual(
         TaborSegment.from_sampled(np.zeros(32, dtype=np.uint16),
                                   np.zeros(32, dtype=np.uint16), None,
                                   None).num_points, 32)
    def test_amend_segments_iter(self):
        channel_pair = TaborChannelPair(self.instrument,
                                        identifier='asd',
                                        channels=(1, 2))
        # prevent entering and exiting configuration mode
        channel_pair._configuration_guard_count = 2

        self.instrument.paranoia_level = 0
        self.reset_instrument_logs()

        channel_pair._segment_references = np.array([1, 2, 0, 1],
                                                    dtype=np.uint32)
        channel_pair._segment_capacity = 192 + np.array([0, 16, 32, 32],
                                                        dtype=np.uint32)
        channel_pair._segment_lengths = 192 + np.array([0, 0, 16, 16],
                                                       dtype=np.uint32)

        channel_pair._segment_hashes = np.array([1, 2, 3, 4], dtype=np.int64)

        data = np.ones(192, dtype=np.uint16)
        segments = [
            TaborSegment.from_sampled(0 * data, 1 * data, None, None),
            TaborSegment.from_sampled(1 * data, 2 * data, None, None)
        ]

        indices = channel_pair._amend_segments(segments)

        expected_references = np.array([1, 2, 0, 1, 1, 1], dtype=np.uint32)
        expected_capacities = 192 + np.array([0, 16, 32, 32, 0, 0],
                                             dtype=np.uint32)
        expected_lengths = 192 + np.array([0, 0, 16, 16, 0, 0],
                                          dtype=np.uint32)
        expected_hashes = np.array(
            [1, 2, 3, 4, hash(segments[0]),
             hash(segments[1])], dtype=np.int64)

        np.testing.assert_equal(channel_pair._segment_references,
                                expected_references)
        np.testing.assert_equal(channel_pair._segment_capacity,
                                expected_capacities)
        np.testing.assert_equal(channel_pair._segment_lengths,
                                expected_lengths)
        np.testing.assert_equal(channel_pair._segment_hashes, expected_hashes)

        np.testing.assert_equal(indices, np.array([4, 5], dtype=np.int64))

        expected_commands = [
            ':INST:SEL 1', ':TRAC:DEF 5,{}'.format(2 * 192 + 16),
            ':TRAC:SEL 5', ':TRAC:MODE COMB', ':TRAC:DEF 5,192',
            ':TRAC:DEF 6,192'
        ]
        expected_log = [
            ((),
             dict(cmd_str=cmd,
                  paranoia_level=channel_pair.internal_paranoia_level))
            for cmd in expected_commands
        ]
        self.assertAllCommandLogsEqual(expected_log)

        # no segment lengths written
        self.assert_written_segment_lengths()

        expected_bin_blob = make_combined_wave(segments)
        self.assert_written_segment_data(expected_bin_blob)