#
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# Copyright (c) 2013-2024 PyMeasure Developers
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from pymeasure.instruments import Instrument, SCPIUnknownMixin
from pymeasure.instruments.validators import strict_range


class AdvantestR3767CG(SCPIUnknownMixin, Instrument):
    """ Represents the Advantest R3767CG VNA. Implements controls to change the analysis
        range and to retrieve the data for the trace.
    """

    def __init__(self, adapter, name="Advantest R3767CG", **kwargs):
        super().__init__(
            adapter,
            name,
            **kwargs
        )

        # Tell unit to operate in IEEE488.2-1987 command mode.
        self.write("OLDC OFF")

    id = Instrument.measurement(
        "*IDN?", """Get the instrument identification."""
    )

    center_frequency = Instrument.control(
        ":FREQ:CENT?", ":FREQ:CENT %d",
        """Control the center Frequency in Hz.""",
        validator=strict_range,
        values=[300000, 8000000000]
    )

    span_frequency = Instrument.control(
        ":FREQ:SPAN?", ":FREQ:SPAN %d",
        """Control the frequency span in Hz.""",
        validator=strict_range,
        values=[1, 8000000000]
    )

    start_frequency = Instrument.control(
        ":FREQ:STAR?", ":FREQ:STAR %d",
        """Control the starting frequency in Hz.""",
        validator=strict_range,
        values=[1, 8000000000]
    )

    stop_frequency = Instrument.control(
        ":FREQ:STOP?", ":FREQ:STOP %d",
        """Control the stopping frequency in Hz.""",
        validator=strict_range,
        values=[1, 8000000000]
    )

    trace_1 = Instrument.measurement(
        "TRAC:DATA? FDAT1", """Get the data array from trace 1 after formatting."""
    )