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language,gui: support setting unselected scan default values. Closes #417

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This commit is contained in:
Sebastien Bourdeauducq 2016-05-23 15:02:28 -07:00
parent 69ffa21133
commit 43081b4f64
3 changed files with 32 additions and 23 deletions
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7
artiq/examples/master/repository/arguments_demo.py
View File

@ -5,9 +5,10 @@ from artiq.experiment import *
class SubComponent1(HasEnvironment):
def build(self):
self.setattr_argument("sc1_scan", Scannable(default=NoScan(3250),
scale=1e3, unit="kHz"),
"Flux capacitor")
self.setattr_argument("sc1_scan",
Scannable(default=[NoScan(3250), RandomScan(10, 20, 6)],
scale=1e3, unit="kHz"),
"Flux capacitor")
self.setattr_argument("sc1_enum", EnumerationValue(["1", "2", "3"]),
"Flux capacitor")

28
artiq/gui/entries.py
View File

@ -273,20 +273,20 @@ class _ScanEntry(LayoutWidget):
"ExplicitScan": {"sequence": []}
}
if "default" in procdesc:
default = procdesc["default"]
ty = default["ty"]
state["selected"] = ty
if ty == "NoScan":
state["NoScan"]["value"] = default["value"]
elif ty == "LinearScan" or ty == "RandomScan":
for d in state["LinearScan"], state["RandomScan"]:
d["start"] = default["start"]
d["stop"] = default["stop"]
d["npoints"] = default["npoints"]
elif ty == "ExplicitScan":
state["ExplicitScan"]["sequence"] = default["sequence"]
else:
logger.warning("unknown default type: %s", ty)
defaults = procdesc["default"]
state["selected"] = defaults[0]["ty"]
for default in defaults:
ty = default["ty"]
if ty == "NoScan":
state[ty]["value"] = default["value"]
elif ty == "LinearScan" or ty == "RandomScan":
state[ty]["start"] = default["start"]
state[ty]["stop"] = default["stop"]
state[ty]["npoints"] = default["npoints"]
elif ty == "ExplicitScan":
state[ty]["sequence"] = default["sequence"]
else:
logger.warning("unknown default type: %s", ty)
return state
def _scan_type_toggled(self):

20
artiq/language/scan.py
View File

@ -93,6 +93,7 @@ class RandomScan(ScanObject):
self.start = start
self.stop = stop
self.npoints = npoints
self.seed = seed
self.sequence = list(LinearScan(start, stop, npoints))
if seed is None:
rf = random.random
@ -110,7 +111,8 @@ class RandomScan(ScanObject):
def describe(self):
return {"ty": "RandomScan",
"start": self.start, "stop": self.stop,
"npoints": self.npoints}
"npoints": self.npoints,
"seed": self.seed}
class ExplicitScan(ScanObject):
@ -141,6 +143,10 @@ class Scannable:
"""An argument (as defined in :class:`artiq.language.environment`) that
takes a scan object.
:param default: The default scan object. This parameter can be a list of
scan objects, in which case the first one is used as default and the
others are used to configure the default values of scan types that are
not initially selected in the GUI.
:param global_min: The minimum value taken by the scanned variable, common
to all scan modes. The user interface takes this value to set the
range of its input widgets.
@ -160,7 +166,9 @@ class Scannable:
if global_step is None:
global_step = scale/10.0
if default is not NoDefault:
self.default_value = default
if not isinstance(default, (tuple, list)):
default = [default]
self.default_values = default
self.unit = unit
self.scale = scale
self.global_step = global_step
@ -169,9 +177,9 @@ class Scannable:
self.ndecimals = ndecimals
def default(self):
if not hasattr(self, "default_value"):
if not hasattr(self, "default_values"):
raise DefaultMissing
return self.default_value
return self.default_values[0]
def process(self, x):
cls = _ty_to_scan[x["ty"]]
@ -183,8 +191,8 @@ class Scannable:
def describe(self):
d = {"ty": "Scannable"}
if hasattr(self, "default_value"):
d["default"] = self.default_value.describe()
if hasattr(self, "default_values"):
d["default"] = [d.describe() for d in self.default_values]
d["unit"] = self.unit
d["scale"] = self.scale
d["global_step"] = self.global_step