QDevil QDAC2: Getter functions for Lists and Sweeps

qcodes_contrib_drivers/drivers/QDevil/QDAC2.py

@@ -7,7 +7,7 @@
 from typing import Any, NewType, Sequence, List, Dict, Tuple, Optional
 from packaging.version import parse
 
-# Version 0.12.1
+# Version 0.13.0
 #
 # Guiding principles for this driver for QDevil QDAC-II
 # -----------------------------------------------------
@@ -144,11 +144,11 @@ def __init__(self, parent: 'QDac2', name: str, external: int):
 
 def floats_to_comma_separated_list(array: Sequence[float]):
     rounded = [format(x, 'g') for x in array]
-    return ', '.join(rounded)
+    return ','.join(rounded)
 
 
 def array_to_comma_separated_list(array: str):
-    return ', '.join(map(str, array))
+    return ','.join(map(str, array))
 
 
 def comma_sequence_to_list(sequence: str):
@@ -367,6 +367,27 @@ def time_s(self) -> float:
         """
         return float(self._ask_channel('sour{0}:swe:time?'))
 
+    def start_V(self) -> float:
+        """
+        Returns:
+            float: Starting voltage
+        """
+        return float(self._ask_channel('sour{0}:swe:star?'))
+
+    def stop_V(self) -> float:
+        """
+        Returns:
+            float: Ending voltage
+        """
+        return float(self._ask_channel('sour{0}:swe:stop?'))
+
+    def values_V(self) -> Sequence[float]:
+        """
+        Returns:
+            Sequence[float]: List of voltages
+        """
+        return list(np.linspace(self.start_V(), self.stop_V(), self.points()))
+
 
 class List_Context(_Dc_Context):
 
@@ -430,6 +451,16 @@ def cycles_remaining(self) -> int:
         """
         return int(self._ask_channel('sour{0}:list:ncl?'))
 
+    def values_V(self) -> Sequence[float]:
+        """
+        Returns:
+            Sequence[float]: List of voltages
+        """
+        # return comma_sequence_to_list_of_floats(
+        #     self._ask_channel('sour{0}:list:volt?'))
+        return comma_sequence_to_list_of_floats(
+            self._ask_channel('sour{0}:list:volt?'))
+
 
 class _Waveform_Context(_Channel_Context):
 
@@ -1500,7 +1531,7 @@ def __init__(self, parent, name: str, size: int):
         self._parent = parent
         self._size = size
         self._name = name
-        self._parent.write(f'trac:def "{name}", {size}')
+        self._parent.write(f'trac:def "{name}",{size}')
 
     def __len__(self):
         return self.size
@@ -1532,7 +1563,7 @@ def waveform(self, values: Sequence[float]) -> None:
         if len(values) != self.size:
             raise ValueError(f'trace length {len(values)} does not match '
                              f'allocated length {self.size}')
-        self._parent.write_floats(f'trac:data "{self.name}", ', values)
+        self._parent.write_floats(f'trac:data "{self.name}",', values)
 
 
 class Sweep_2D_Context:

qcodes_contrib_drivers/sims/QDAC2.yaml

@@ -37,10 +37,10 @@ devices:
           q: "tint {:d}"
       trace_define:
         setter:
-          q: "trac:def \"{:s}\", {:d}"
+          q: "trac:def \"{:s}\",{:d}"
       trace_data:
         setter:
-          q: "trac:data \"{:s}\", {:s}"
+          q: "trac:data \"{:s}\",{:s}"
 
     channels:
       trigger:
@@ -367,8 +367,14 @@ devices:
             setter:
               q: "sour{ch_id}:list:dwel {}"
           list_voltages:
+            default: "0"
             setter:
               q: "sour{ch_id}:list:volt {}"
+            getter:
+              q: "sour{ch_id}:list:volt?"
+              r: "-0.123,0,1.234"
+            specs:
+              type: str
           list_append:
             setter:
               q: "sour{ch_id}:list:volt:app {}"

qcodes_contrib_drivers/tests/QDevil/test_sim_qdac2_awg.py

@@ -25,7 +25,7 @@ def test_trace_define(qdac):  # noqa
     # -----------------------------------------------------------------------
     trace = qdac.allocate_trace(name, length)
     # -----------------------------------------------------------------------
-    assert qdac.get_recorded_scpi_commands() == [f'trac:def "{name}", {length}']
+    assert qdac.get_recorded_scpi_commands() == [f'trac:def "{name}",{length}']
     assert trace.name == name
     assert trace.size == length
     assert len(trace) == length
@@ -60,7 +60,7 @@ def test_trace_data(qdac):  # noqa
     trace.waveform(numpy.linspace(0, 1, 6))
     # -----------------------------------------------------------------------
     assert qdac.get_recorded_scpi_commands() == [
-        f'trac:data "{name}", 0, 0.2, 0.4, 0.6, 0.8, 1']
+        f'trac:data "{name}",0,0.2,0.4,0.6,0.8,1']
 
 
 def test_trace_data_length_mismatch(qdac):  # noqa

qcodes_contrib_drivers/tests/QDevil/test_sim_qdac2_common.py

@@ -20,10 +20,10 @@ def test_floats_to_list_empty():
 
 
 def test_floats_to_list_direct():
-    assert floats_to_comma_separated_list([1, 2]) == '1, 2'
+    assert floats_to_comma_separated_list([1, 2]) == '1,2'
 
 
 def test_floats_to_list_rounding():
     unrounded = numpy.linspace(0, 1, 11)
     assert floats_to_comma_separated_list(unrounded) == \
-        '0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1'
+        '0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1'

qcodes_contrib_drivers/tests/QDevil/test_sim_qdac2_source_list.py

@@ -16,7 +16,7 @@ def test_list_explicit(qdac):  # noqa
     assert qdac.get_recorded_scpi_commands() == [
         'sour1:dc:trig:sour hold',
         'sour1:volt:mode list',
-        'sour1:list:volt -1, 0, 1',
+        'sour1:list:volt -1,0,1',
         'sour1:list:tmod step',
         'sour1:list:dwel 1e-06',
         'sour1:list:dir down',
@@ -34,7 +34,7 @@ def test_list_implicit(qdac):  # noqa
     assert qdac.get_recorded_scpi_commands() == [
         'sour1:dc:trig:sour hold',
         'sour1:volt:mode list',
-        'sour1:list:volt 1, 2, 3, 4',
+        'sour1:list:volt 1,2,3,4',
         'sour1:list:tmod auto',
         'sour1:list:dwel 0.001',
         'sour1:list:dir up',
@@ -73,7 +73,7 @@ def test_list_append(qdac):  # noqa
     # -----------------------------------------------------------------------
     # Cannot sim test: assert points == 6
     assert qdac.get_recorded_scpi_commands() == [
-        'sour1:list:volt:app 5, 6',
+        'sour1:list:volt:app 5,6',
         'sour1:dc:init:cont on',
         'sour1:dc:init',
     ]
@@ -108,7 +108,7 @@ def test_list_infinite(qdac):  # noqa
     assert qdac.get_recorded_scpi_commands() == [
         'sour1:dc:trig:sour hold',
         'sour1:volt:mode list',
-        'sour1:list:volt 1, 2, 3, 4',
+        'sour1:list:volt 1,2,3,4',
         'sour1:list:tmod auto',
         'sour1:list:dwel 0.001',
         'sour1:list:dir up',
@@ -250,6 +250,17 @@ def test_list_trigger_on_external(qdac):  # noqa
     ]
 
 
+def test_list_get_voltages(qdac):  # noqa
+    qdac.start_recording_scpi()
+    dc_list = qdac.ch01.dc_list(voltages=[-0.123, 0, 1.234])
+    # -----------------------------------------------------------------------
+    voltages = dc_list.values_V()
+    # -----------------------------------------------------------------------
+    x = qdac.get_recorded_scpi_commands()
+    print(x)
+    assert voltages == [-0.123, 0, 1.234]
+
+
 # def test_list_internal_trigger(qdac):  # noqa
 #     trigger = qdac.allocate_trigger()
 #     # -----------------------------------------------------------------------

qcodes_contrib_drivers/tests/QDevil/test_sim_qdac2_source_sweep.py

@@ -252,3 +252,27 @@ def test_sweep_trigger_on_external(qdac):  # noqa
         f'sour1:dc:init:cont on',
         'sour1:dc:init'
     ]
+
+
+def test_sweep_get_start(qdac):  # noqa
+    dc_sweep = qdac.ch01.dc_sweep(start_V=-1.2345, stop_V=1.2345, points=3)
+    # -----------------------------------------------------------------------
+    voltage = dc_sweep.start_V()
+    # -----------------------------------------------------------------------
+    assert voltage == -1.2345
+
+
+def test_sweep_get_stop(qdac):  # noqa
+    dc_sweep = qdac.ch01.dc_sweep(start_V=-1.2345, stop_V=1.2345, points=3)
+    # -----------------------------------------------------------------------
+    voltage = dc_sweep.stop_V()
+    # -----------------------------------------------------------------------
+    assert voltage == 1.2345
+
+
+def test_sweep_get_voltages(qdac):  # noqa
+    dc_sweep = qdac.ch01.dc_sweep(start_V=-1.23, stop_V=1.23, points=3)
+    # -----------------------------------------------------------------------
+    voltages = dc_sweep.values_V()
+    # -----------------------------------------------------------------------
+    assert voltages == [-1.23, 0, 1.23]

qcodes_contrib_drivers/tests/QDevil/test_sim_qdac2_virtual_gates.py

@@ -45,7 +45,7 @@ def test_arrangement_sweep(qdac):  # noqa
         # Sensor 1
         'sour1:dc:trig:sour hold',
         'sour1:volt:mode list',
-        'sour1:list:volt 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0',
+        'sour1:list:volt 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0',
         'sour1:list:tmod auto',
         'sour1:list:dwel 2e-06',
         'sour1:list:dir up',
@@ -59,7 +59,7 @@ def test_arrangement_sweep(qdac):  # noqa
         # Plunger 2
         'sour2:dc:trig:sour hold',
         'sour2:volt:mode list',
-        'sour2:list:volt -0.2, 0, 0.2, 0.4, 0.6, -0.2, 0, 0.2, 0.4, 0.6, -0.2, 0, 0.2, 0.4, 0.6, -0.2, 0, 0.2, 0.4, 0.6, -0.2, 0, 0.2, 0.4, 0.6',
+        'sour2:list:volt -0.2,0,0.2,0.4,0.6,-0.2,0,0.2,0.4,0.6,-0.2,0,0.2,0.4,0.6,-0.2,0,0.2,0.4,0.6,-0.2,0,0.2,0.4,0.6',
         'sour2:list:tmod auto',
         'sour2:list:dwel 2e-06',
         'sour2:list:dir up',
@@ -73,7 +73,7 @@ def test_arrangement_sweep(qdac):  # noqa
         # Plunger 3
         'sour3:dc:trig:sour hold',
         'sour3:volt:mode list',
-        'sour3:list:volt -0.7, -0.7, -0.7, -0.7, -0.7, -0.4875, -0.4875, -0.4875, -0.4875, -0.4875, -0.275, -0.275, -0.275, -0.275, -0.275, -0.0625, -0.0625, -0.0625, -0.0625, -0.0625, 0.15, 0.15, 0.15, 0.15, 0.15',
+        'sour3:list:volt -0.7,-0.7,-0.7,-0.7,-0.7,-0.4875,-0.4875,-0.4875,-0.4875,-0.4875,-0.275,-0.275,-0.275,-0.275,-0.275,-0.0625,-0.0625,-0.0625,-0.0625,-0.0625,0.15,0.15,0.15,0.15,0.15',
         'sour3:list:tmod auto',
         'sour3:list:dwel 2e-06',
         'sour3:list:dir up',
@@ -190,7 +190,7 @@ def test_stability_diagram_external(qdac):  # noqa
         # Sensor 1
         'sour3:dc:trig:sour hold',
         'sour3:volt:mode list',
-        'sour3:list:volt 0.089, 0.085, 0.081, 0.077, 0.073, 0.099625, 0.095625, 0.091625, 0.087625, 0.083625, 0.11025, 0.10625, 0.10225, 0.09825, 0.09425, 0.120875, 0.116875, 0.112875, 0.108875, 0.104875, 0.1315, 0.1275, 0.1235, 0.1195, 0.1155',
+        'sour3:list:volt 0.089,0.085,0.081,0.077,0.073,0.099625,0.095625,0.091625,0.087625,0.083625,0.11025,0.10625,0.10225,0.09825,0.09425,0.120875,0.116875,0.112875,0.108875,0.104875,0.1315,0.1275,0.1235,0.1195,0.1155',
         'sour3:list:tmod auto',
         'sour3:list:dwel 1e-06',
         'sour3:list:dir up',
@@ -204,7 +204,7 @@ def test_stability_diagram_external(qdac):  # noqa
         # Plunger 2
         'sour6:dc:trig:sour hold',
         'sour6:volt:mode list',
-        'sour6:list:volt -0.046, -0.034, -0.022, -0.01, 0.002, 0.01775, 0.02975, 0.04175, 0.05375, 0.06575, 0.0815, 0.0935, 0.1055, 0.1175, 0.1295, 0.14525, 0.15725, 0.16925, 0.18125, 0.19325, 0.209, 0.221, 0.233, 0.245, 0.257',
+        'sour6:list:volt -0.046,-0.034,-0.022,-0.01,0.002,0.01775,0.02975,0.04175,0.05375,0.06575,0.0815,0.0935,0.1055,0.1175,0.1295,0.14525,0.15725,0.16925,0.18125,0.19325,0.209,0.221,0.233,0.245,0.257',
         'sour6:list:tmod auto',
         'sour6:list:dwel 1e-06',
         'sour6:list:dir up',
@@ -218,7 +218,7 @@ def test_stability_diagram_external(qdac):  # noqa
         # Plunger 3
         'sour7:dc:trig:sour hold',
         'sour7:volt:mode list',
-        'sour7:list:volt -0.647, -0.617, -0.587, -0.557, -0.527, -0.4345, -0.4045, -0.3745, -0.3445, -0.3145, -0.222, -0.192, -0.162, -0.132, -0.102, -0.0095, 0.0205, 0.0505, 0.0805, 0.1105, 0.203, 0.233, 0.263, 0.293, 0.323',
+        'sour7:list:volt -0.647,-0.617,-0.587,-0.557,-0.527,-0.4345,-0.4045,-0.3745,-0.3445,-0.3145,-0.222,-0.192,-0.162,-0.132,-0.102,-0.0095,0.0205,0.0505,0.0805,0.1105,0.203,0.233,0.263,0.293,0.323',
         'sour7:list:tmod auto',
         'sour7:list:dwel 1e-06',
         'sour7:list:dir up',
@@ -232,7 +232,7 @@ def test_stability_diagram_external(qdac):  # noqa
         # Plunger 4
         'sour8:dc:trig:sour hold',
         'sour8:volt:mode list',
-        'sour8:list:volt -0.48821, -0.27633, -0.06445, 0.14743, 0.35931, -0.371441, -0.159561, 0.0523187, 0.264199, 0.476079, -0.254672, -0.0427925, 0.169088, 0.380968, 0.592847, -0.137904, 0.0739763, 0.285856, 0.497736, 0.709616, -0.021135, 0.190745, 0.402625, 0.614505, 0.826385',
+        'sour8:list:volt -0.48821,-0.27633,-0.06445,0.14743,0.35931,-0.371441,-0.159561,0.0523187,0.264199,0.476079,-0.254672,-0.0427925,0.169088,0.380968,0.592847,-0.137904,0.0739763,0.285856,0.497736,0.709616,-0.021135,0.190745,0.402625,0.614505,0.826385',
         'sour8:list:tmod auto',
         'sour8:list:dwel 1e-06',
         'sour8:list:dir up',