Source code for qblox_instruments.qcodes_drivers.sequencer

# ----------------------------------------------------------------------------
# Description    : Sequencer QCoDeS interface
# Git repository : https://gitlab.com/qblox/packages/software/qblox_instruments.git
# Copyright (C) Qblox BV (2020)
# ----------------------------------------------------------------------------


# -- include -----------------------------------------------------------------

from typing import List, Union, Tuple, NoReturn
from functools import partial
from qcodes import validators as vals
from qcodes import Instrument, InstrumentChannel


# -- class -------------------------------------------------------------------

[docs]class Sequencer(InstrumentChannel): """ This class represents a single sequencer. It combines all sequencer specific parameters and functions into a single QCoDes InstrumentChannel. """ # ------------------------------------------------------------------------
[docs] def __init__( self, parent: Union[Instrument, InstrumentChannel], name: str, seq_idx: int, ): """ Creates a sequencer class and adds all relevant parameters for the sequencer. Parameters ---------- parent : Union[Instrument, InstrumentChannel] The QCoDeS class to which this sequencer belongs. name : str Name of this sequencer channel seq_idx : int The index of this sequencer in the parent instrument, representing which sequencer is controlled by this class. Returns ---------- Raises ---------- """ # Initialize instrument channel super().__init__(parent, name) # Store sequencer index self._seq_idx = seq_idx # Add required parent attributes for the QCoDeS parameters to function for attr_name in Sequencer._get_required_parent_attr_names(): self._register(attr_name) # Add parameters # -- Channel map ----------------------------------------------------- if self.parent.is_rf_type: states = ["off", "IQ", False, True] if self.parent.is_qrm_type: num_outputs = 1 else: num_outputs = 2 else: states = ["off", "I", "Q"] if self.parent.is_qrm_type: num_outputs = 2 else: num_outputs = 4 for output in range(num_outputs): self.add_parameter( f"connect_out{output}", label=f"Sequencer to output {output} connection configuration", docstring="Sets/gets whether this sequencer is connected to " f"output {output}, and if so which component.", unit="", vals=vals.Enum(*states), set_cmd=partial(self._set_sequencer_connect_out, output), get_cmd=partial(self._get_sequencer_connect_out, output), ) if self.parent.is_qrm_type: if self.parent.is_rf_type: self.add_parameter( f"connect_acq", label="Sequencer acquisition input connection configuration", docstring="Sets/gets which input the acquisition path of " "this sequencer is connected to, if any.", unit="", vals=vals.Enum("off", "in0", False, True), set_cmd=partial(self._set_sequencer_connect_acq, 0), get_cmd=partial(self._get_sequencer_connect_acq, 0), ) else: self.add_parameter( f"connect_acq_I", label="Sequencer acquisition I input connection configuration", docstring="Sets/gets which input the I input of the acquisition " "path of this sequencer is connected to, if any.", unit="", vals=vals.Enum("off", "in0", "in1"), set_cmd=partial(self._set_sequencer_connect_acq, 0), get_cmd=partial(self._get_sequencer_connect_acq, 0), ) self.add_parameter( f"connect_acq_Q", label="Sequencer acquisition Q input connection configuration", docstring="Sets/gets which input the Q input of the acquisition " "path of this sequencer is connected to, if any.", unit="", vals=vals.Enum("off", "in0", "in1"), set_cmd=partial(self._set_sequencer_connect_acq, 1), get_cmd=partial(self._get_sequencer_connect_acq, 1), ) # -- Sequencer (All modules) ----------------------------------------- self.add_parameter( "sync_en", label="Sequencer synchronization enable", docstring="Sets/gets sequencer synchronization enable which " "enables party-line synchronization.", unit="", vals=vals.Bool(), set_parser=bool, get_parser=bool, set_cmd=partial( self._set_sequencer_config_val, ["seq_proc","sync_en"] ), get_cmd=partial( self._get_sequencer_config_val, ["seq_proc","sync_en"] ), ) self.add_parameter( "nco_freq", label="Sequencer NCO frequency", docstring="Sets/gets sequencer NCO frequency in Hz with a " "resolution of 0.25 Hz. Be aware that the outputs " "have low-pass filters with a cut-off frequency of " "{} MHz".format("300" if self.parent.is_rf_type else "350"), unit="Hz", vals=vals.Numbers(-500e6, 500e6), set_parser=float, get_parser=float, set_cmd=partial( self._set_sequencer_config_val, ["awg", "nco", "freq_hz"] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "nco", "freq_hz"] ), ) self.add_parameter( "nco_phase_offs", label="Sequencer NCO phase offset", docstring="Sets/gets sequencer NCO phase offset in degrees with " "a resolution of 3.6e-7 degrees.", unit="Degrees", vals=vals.Numbers(0, 360), set_parser=float, get_parser=float, set_cmd=partial( self._set_sequencer_config_val, ["awg", "nco", "po"] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "nco", "po"] ), ) self.add_parameter( "nco_prop_delay_comp", label="Sequencer NCO propagation delay compensation", docstring="Sets/gets a delay that compensates the NCO phase " "to the input path with respect to the instrument's " "combined output and input propagation delay. This " "delay is applied on top of a default delay of 146 ns.", unit="ns", vals=vals.Numbers(-50, 50), set_parser=int, get_parser=int, set_cmd=partial( self._set_sequencer_config_val, ["awg", "nco", "delay_comp"] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "nco", "delay_comp"] ), ) self.add_parameter( "nco_prop_delay_comp_en", label="Sequencer NCO propagation delay compensation enable", docstring="Sets/gets the enable for a delay that compensates " "the NCO phase to the input path with respect to the " "instrument's combined output and input propagation " "delay. This delays the frequency update as well.", unit="ns", vals=vals.Bool(), set_parser=bool, get_parser=bool, set_cmd=partial( self._set_sequencer_config_val, ["awg", "nco", "delay_comp_en"] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "nco", "delay_comp_en"] ), ) self.add_parameter( "marker_ovr_en", label="Sequencer marker override enable", docstring="Sets/gets sequencer marker override enable.", unit="", vals=vals.Bool(), set_parser=bool, get_parser=bool, set_cmd=partial( self._set_sequencer_config_val, ["awg", "marker_ovr", "en"] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "marker_ovr", "en"] ), ) self.add_parameter( "marker_ovr_value", label="Sequencer marker override value", docstring="Sets/gets sequencer marker override value. Bit index " "corresponds to marker channel index.", unit="", vals=vals.Numbers(0, 15), set_parser=int, get_parser=int, set_cmd=partial( self._set_sequencer_config_val, ["awg", "marker_ovr", "val"] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "marker_ovr", "val"] ), ) self.add_parameter( "sequence", label="Sequence", docstring="Sets sequencer's AWG waveforms, acquistion weights, " "acquisitions and Q1ASM program. Valid input is a " "string representing the JSON filename or a JSON " "compatible dictionary.", vals=vals.MultiType(vals.Strings(), vals.Dict()), set_cmd=self._set_sequence, get_cmd=Sequencer._get_sequence_raise, snapshot_exclude=True, ) for x in range(1, 16): self.add_parameter( "trigger{}_count_threshold".format(x), label="Counter threshold for trigger address T{}".format(x), docstring="Sets/gets threshold for counter on trigger " "address T{}. Thresholding condition used: " "greater than or equal.".format(x), unit="", vals=vals.Numbers(0, 65535), set_parser=int, get_parser=int, set_cmd=partial( self._set_sequencer_config_val, ["seq_proc", "trg", x-1, "count_threshold"] ), get_cmd=partial( self._get_sequencer_config_val, ["seq_proc", "trg", x-1, "count_threshold"] ), ) self.add_parameter( "trigger{}_threshold_invert".format(x), label="Comparison result inversion for trigger address {}".format(x), docstring="Sets/gets comparison result inversion for trigger" "address {}.".format(x), unit="", vals=vals.Bool(), set_parser=bool, get_parser=bool, set_cmd=partial( self._set_sequencer_config_val, ["seq_proc", "trg", x-1, "threshold_invert"] ), get_cmd=partial( self._get_sequencer_config_val, ["seq_proc", "trg", x-1, "threshold_invert"] ), ) # -- AWG settings (All modules) -------------------------------------- for x in range(0, 2): self.add_parameter( "cont_mode_en_awg_path{}".format(x), label="Sequencer continous waveform mode enable for AWG path 0", docstring="Sets/gets sequencer continous waveform mode enable " "for AWG path {}.".format(x), unit="", vals=vals.Bool(), set_parser=bool, get_parser=bool, set_cmd=partial( self._set_sequencer_config_val, ["awg", "cont_mode", "en_path", x] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "cont_mode", "en_path", x] ), ) self.add_parameter( "cont_mode_waveform_idx_awg_path{}".format(x), label="Sequencer continous waveform mode waveform index for " "AWG path {}".format(x), docstring="Sets/gets sequencer continous waveform mode waveform " "index or AWG path {}.".format(x), unit="", vals=vals.Numbers(0, 2 ** 10 - 1), set_parser=int, get_parser=int, set_cmd=partial( self._set_sequencer_config_val, ["awg", "cont_mode", "wave_idx_path", x] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "cont_mode", "wave_idx_path", x] ), ) self.add_parameter( "upsample_rate_awg_path{}".format(x), label="Sequencer upsample rate for AWG path {}".format(x), docstring="Sets/gets sequencer upsample rate for AWG path {}.".format(x), unit="", vals=vals.Numbers(0, 2 ** 16 - 1), set_parser=int, get_parser=int, set_cmd=partial( self._set_sequencer_config_val, ["awg", "upsample_rate_path", x] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "upsample_rate_path", x] ), ) self.add_parameter( "gain_awg_path{}".format(x), label="Sequencer gain for AWG path 0", docstring="Sets/gets sequencer gain for AWG path 0.", unit="", vals=vals.Numbers(-1.0, 1.0), set_parser=float, get_parser=float, set_cmd=partial( self._set_sequencer_config_val, ["awg", "gain_path", x] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "gain_path", x] ), ) self.add_parameter( "offset_awg_path{}".format(x), label="Sequencer offset for AWG path {}".format(x), docstring="Sets/gets sequencer offset for AWG path {}.".format(x), unit="", vals=vals.Numbers(-1.0, 1.0), set_parser=float, get_parser=float, set_cmd=partial( self._set_sequencer_config_val, ["awg", "offs_path", x] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "offs_path", x] ), ) self.add_parameter( "mixer_corr_phase_offset_degree", label="Sequencer mixer phase imbalance correction", docstring="Sets/gets sequencer mixer phase imbalance correction " "for AWG; applied to AWG path 1 relative to AWG path 0 " "and measured in degrees", unit="", vals=vals.Numbers(-45.0, 45.0), set_parser=float, get_parser=float, set_cmd=partial( self._set_sequencer_config_val, ["awg", "mixer", "corr_phase_offset_degree"] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "mixer", "corr_phase_offset_degree"] ), ) self.add_parameter( "mixer_corr_gain_ratio", label="Sequencer mixer gain imbalance correction", docstring="Sets/gets sequencer mixer gain imbalance correction " "for AWG; equal to AWG path 1 amplitude divided by " "AWG path 0 amplitude.", unit="", vals=vals.Numbers(0.5, 2.0), set_parser=float, get_parser=float, set_cmd=partial( self._set_sequencer_config_val, ["awg", "mixer", "corr_gain_ratio"] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "mixer", "corr_gain_ratio"] ), ) self.add_parameter( "mod_en_awg", label="Sequencer modulation enable", docstring="Sets/gets sequencer modulation enable for AWG.", unit="", vals=vals.Bool(), set_parser=bool, get_parser=bool, set_cmd=partial( self._set_sequencer_config_val, ["awg", "mixer", "en"] ), get_cmd=partial( self._get_sequencer_config_val, ["awg", "mixer", "en"] ), ) # -- Acquisition settings (QRM modules only) ------------------------- if self.parent.is_qrm_type: self.add_parameter( "demod_en_acq", label="Sequencer demodulation enable", docstring="Sets/gets sequencer demodulation enable for " "acquisition.", unit="", vals=vals.Bool(), set_parser=bool, get_parser=bool, set_cmd=partial( self._set_sequencer_config_val, ["acq", "demod", "en"] ), get_cmd=partial( self._get_sequencer_config_val, ["acq", "demod", "en"] ), ) self.add_parameter( "integration_length_acq", label="Sequencer integration length", docstring="Sets/gets sequencer integration length in number " "of samples for non-weighed acquisitions on paths " "0 and 1. Must be a multiple of 4", unit="", vals=vals.Numbers(4, 2 ** 24 - 4), set_parser=int, get_parser=int, set_cmd=partial( self._set_sequencer_config_val, ["acq", "th_acq", "non_weighed_integration_len"] ), get_cmd=partial( self._get_sequencer_config_val, ["acq", "th_acq", "non_weighed_integration_len"] ), ) self.add_parameter( "thresholded_acq_rotation", label="Sequencer integration result phase rotation", docstring="Sets/gets sequencer integration result phase " "rotation in degrees.", unit="Degrees", vals=vals.Numbers(0, 360), set_parser=float, get_parser=float, set_cmd=self._set_sequencer_config_rotation_matrix, get_cmd=self._get_sequencer_config_rotation_matrix, ) self.add_parameter( "thresholded_acq_threshold", label="Sequencer discretization threshold", docstring="Sets/gets sequencer discretization threshold for " "discretizing the phase rotation result. " "Discretization is done by comparing the threshold " "to the rotated integration result of path 0. " "This comparison is applied before normalization " "(i.e. division) of the rotated value with the " "integration length and therefore the threshold " "needs to be compensated (i.e. multiplied) with " "this length for the discretization to function " "properly.", unit="", vals=vals.Numbers(-1.0 * (2 ** 24 - 4), 1.0 * (2 ** 24 - 4)), set_parser=float, get_parser=float, set_cmd=partial( self._set_sequencer_config_val, ["acq", "th_acq", "discr_threshold"] ), get_cmd=partial( self._get_sequencer_config_val, ["acq", "th_acq", "discr_threshold"] ), ) self.add_parameter( "thresholded_acq_marker_en", label="Thresholded acquisition marker enable", docstring="Enable mapping of thresholded acquisition result to markers.", unit="", vals=vals.Bool(), set_parser=bool, get_parser=bool, set_cmd=partial( self._set_sequencer_config_val, ["acq", "th_acq_mrk_map", "en"] ), get_cmd=partial( self._get_sequencer_config_val, ["acq", "th_acq_mrk_map", "en"] ), ) self.add_parameter( "thresholded_acq_marker_address", label="Marker mask which maps the thresholded acquisition result to the " "markers", docstring="Sets/gets the marker mask which maps the thresholded acquisition " "result to the markers (M1 to M4).", unit="", vals=vals.Numbers(0, 15) if not parent.is_rf_type else vals.Numbers(0,3), set_parser=int, get_parser=int, set_cmd=partial( self._set_sequencer_config_val, ["acq", "th_acq_mrk_map", "addr"] ), get_cmd=partial( self._get_sequencer_config_val, ["acq", "th_acq_mrk_map", "addr"] ), ) self.add_parameter( "thresholded_acq_marker_invert", label="Inversion of the thresholded acquistion result before it is masked " "onto the markers", docstring="Sets/gets inversion of the thresholded acquistion result before " "it is masked onto the markers.", unit="", vals=vals.Bool(), set_parser=bool, get_parser=bool, set_cmd=partial( self._set_sequencer_config_val, ["acq", "th_acq_mrk_map", "inv"] ), get_cmd=partial( self._get_sequencer_config_val, ["acq", "th_acq_mrk_map", "inv"] ), ) self.add_parameter( "thresholded_acq_trigger_en", label="Thresholded acquistion result enable", docstring="Sets/gets mapping of thresholded acquisition result to trigger network.", unit="", vals=vals.Bool(), set_parser=bool, get_parser=bool, set_cmd=partial( self._set_sequencer_config_val, ["acq", "th_acq_trg_map", "en"] ), get_cmd=partial( self._get_sequencer_config_val, ["acq", "th_acq_trg_map", "en"] ), ) self.add_parameter( "thresholded_acq_trigger_address", label="Trigger address to which the thresholded acquisition result is mapped to " "the trigger network", docstring="Sets/gets the trigger address to which the thresholded " "acquisition result is mapped to the trigger network (T1 to T15)", unit="", vals=vals.Numbers(1, 15), set_parser=int, get_parser=int, set_cmd=partial( self._set_sequencer_config_val, ["acq", "th_acq_trg_map", "addr"] ), get_cmd=partial( self._get_sequencer_config_val, ["acq", "th_acq_trg_map", "addr"] ), ) self.add_parameter( "thresholded_acq_trigger_invert", label="Inversion of the thresholded acquistion result before it is masked " "onto the trigger network node", docstring="Sets/gets the inversion of the thresholded acquistion result " "before it is mapped to the trigger network.", unit="", vals=vals.Bool(), set_parser=bool, get_parser=bool, set_cmd=partial( self._set_sequencer_config_val, ["acq", "th_acq_trg_map", "inv"] ), get_cmd=partial( self._get_sequencer_config_val, ["acq", "th_acq_trg_map", "inv"] ), ) if not self.parent.is_rf_type: self.add_parameter( "ttl_acq_auto_bin_incr_en", label="TTL trigger acquisition automatic bin increase.", docstring="Sets/gets whether the bin index is automatically " "incremented when acquiring multiple triggers. " "Disabling the TTL trigger acquisition path " "resets the bin index.", unit="", vals= vals.Bool(), set_parser=bool, get_parser=bool, set_cmd=partial( self._set_sequencer_config_val, ["acq", "ttl", "auto_bin_incr_en"] ), get_cmd=partial( self._get_sequencer_config_val, ["acq", "ttl", "auto_bin_incr_en"] ), ) self.add_parameter( "ttl_acq_threshold", label="TTL trigger acquisition threshold", docstring="Sets/gets the threshold value with which to compare " "the input ADC values of the selected input path.", unit="", vals= vals.Numbers(-1.0,1.0), set_parser=float, get_parser=float, set_cmd=partial( self._set_sequencer_config_val, ["acq", "ttl", "threshold"] ), get_cmd=partial( self._get_sequencer_config_val, ["acq", "ttl", "threshold"] ), ) self.add_parameter( "ttl_acq_input_select", label="TTL trigger acquisition input", docstring="Sets/gets the input used to compare against " "the threshold value in the TTL trigger acquisition " "path.", unit="", vals= vals.Numbers(0,1), set_parser=int, get_parser=int, set_cmd=partial( self._set_sequencer_config_val, ["acq", "ttl", "in"] ), get_cmd=partial( self._get_sequencer_config_val, ["acq", "ttl", "in"] ), )
# ------------------------------------------------------------------------ @property def seq_idx(self) -> int: """ Get sequencer index. Parameters ---------- Returns ---------- int Sequencer index Raises ---------- """ return self._seq_idx # ------------------------------------------------------------------------ @staticmethod def _get_required_parent_attr_names() -> List: """ Return list of parent attribute names that are required for the QCoDeS parameters to function, so that the can be registered to this object using the _register method. Parameters ---------- Returns ---------- List List of parent attribute names to register. Raises ---------- """ # Sequencer attributes attr_names = [] for operation in ["set", "get"]: attr_names.append("_{}_sequencer_connect_out".format(operation)) attr_names.append("_{}_sequencer_connect_acq".format(operation)) attr_names.append("_{}_sequencer_config".format(operation)) attr_names.append("_{}_sequencer_config_val".format(operation)) attr_names.append("_{}_sequencer_config_rotation_matrix".format(operation)) attr_names.append("connect_sequencer") attr_names.append("_set_sequencer_program") attr_names.append("_set_sequence") attr_names.append("arm_sequencer") attr_names.append("start_sequencer") attr_names.append("stop_sequencer") attr_names.append("get_sequencer_state") # Dummy acquisition data attributes attr_names.append("set_dummy_binned_acquisition_data") attr_names.append("delete_dummy_binned_acquisition_data") attr_names.append("set_dummy_scope_acquisition_data") attr_names.append("delete_dummy_scope_acquisition_data") # Waveform, weight and acquisition attributes for component in ["waveform", "weight", "acquisition"]: attr_names.append("_add_{}s".format(component)) attr_names.append("_delete_{}".format(component)) attr_names.append("get_{}s".format(component)) attr_names.append("store_scope_acquisition") attr_names.append("_get_acq_acquisition_data") attr_names.append("delete_acquisition_data") attr_names.append("get_acquisition_state") return attr_names # ------------------------------------------------------------------------ def _register(self, attr_name: str) -> None: """ Register parent attribute to this sequencer using functools.partial to pre-select the sequencer index. If the attribute does not exist in the parent class, a method that raises a `NotImplementedError` exception is registered instead. The docstring of the parent attribute is also copied to the registered attribute. Parameters ---------- attr_name : str Attribute name of parent to register. Returns ---------- Raises ---------- """ if hasattr(self.parent, attr_name): parent_attr = getattr(self.parent, attr_name) partial_func = partial(parent_attr, self.seq_idx) partial_func.__doc__ = ( "Important:\n" + "This method calls {0} using functools.partial to set the " + "sequencer index. The following docstring is of {1}.{0}:\n\n" ).format(attr_name, type(self.parent).__name__) partial_func.__doc__ += parent_attr.__doc__ setattr(self, attr_name, partial_func) else: def raise_not_implemented_error(*args, **kwargs) -> None: raise NotImplementedError( '{} does not have "{}" attribute.'.format(self.parent.name, attr_name) ) setattr(self, attr_name, raise_not_implemented_error) # ------------------------------------------------------------------------ def _invalidate_qcodes_parameter_cache(self) -> None: """ Marks the cache of all QCoDeS parameters on this sequencer as invalid. Parameters ---------- Returns ---------- Raises ---------- """ for param in self.parameters.values(): param.cache.invalidate() # ------------------------------------------------------------------------ @staticmethod def _get_sequence_raise() -> NoReturn: raise RuntimeError( "The `sequence` parameter cannot be queried from the instrument. " "Use `sequencer.sequence.cache()` instead. " "If this exception was raised by `sequencer.sequence.cache()`, " "then the cache was invalid and the instrument state is unknown " "(after startup or reset)." ) # ----------------------------------------------------------------------------
[docs] def set_trigger_thresholding(self, address: int, count: int, invert: bool) -> None: """ Sets threshold for designated trigger address counter, together with the inversion condition. Thresholding condition used: greater than or equal. Parameters ---------- address: int Trigger address to which the settings are applied count: int Threshold invert: bool Comparison result inversion Returns ---------- Raises ---------- NotImplementedError Functionality not available on this module. """ self.set("trigger{}_count_threshold".format(address), count) self.set("trigger{}_threshold_invert".format(address), invert)
# ----------------------------------------------------------------------------
[docs] def get_trigger_thresholding(self, address: int) -> Tuple: """ Gets threshold for designated trigger address counter, together with the inversion condition. Thresholding condition used: greater than or equal. Parameters ---------- address: int Trigger address to which the settings are applied Returns ---------- int Threshold bool Comparison result inversion Raises ---------- NotImplementedError Functionality not available on this module. """ count = self.get("trigger{}_count_threshold".format(address)) invert = self.get("trigger{}_threshold_invert".format(address)) return (count, invert)
# ----------------------------------------------------------------------------
[docs] def reset_trigger_thresholding(self) -> None: """ Resets trigger thresholds for all trigger address counters (T1 to T15) back to 0. Also resets inversion back to false. Parameters ---------- Returns ---------- Raises ---------- NotImplementedError Functionality not available on this module. """ for x in range(1, 16): self.set("trigger{}_count_threshold".format(x), 1) self.set("trigger{}_threshold_invert".format(x), False)