PLE scan

pyproject.toml

@@ -10,7 +10,7 @@ description = "A package for performing experiments in the QT3 lab at UW."
 readme = "README.md"
 requires-python = ">=3.8"
 license = {file = "LICENSE"}
-keywords = ["qt3", "confocal scan", "nidaqmx", "piezo", "stage", "control", "electron spin control"]
+keywords = ["qt3", "confocal scan", "nidaqmx", "piezo", "stage", "control", "electron spin control", "ple"]
 
 authors = [
     {name = "G. Adam Cox", email = "gadamc@gmail.com" },
@@ -64,6 +64,7 @@ dependencies = [
 [project.scripts]
 qt3scope = "qt3utils.applications.qt3scope.main:main"
 qt3scan = "qt3utils.applications.qt3scan.main:main"
+qt3ple = "qt3utils.applications.qt3ple.main:main"
 
 [tool.setuptools.package-data]
 "qt3utils.applications.controllers" = ["*.yaml"]

src/qt3utils/applications/controllers/lockin_controller.py

@@ -0,0 +1,31 @@
+import logging
+import numpy as np
+
+import nidaqmx
+
+class Lockin:
+    def __init__(self, logger_level) -> None:
+        self.logger = logging.getLogger(__name__)
+        self.logger.setLevel(logger_level)
+        self.device_name = ""
+        self.signal_channel = ""
+        self.sample_number = 20
+        self.rate = 20.0
+        self.timeout = 10
+
+    def read(self) -> np.ndarray:
+        with nidaqmx.Task() as task:
+            task.ai_channels.add_ai_voltage_chan(self.device_name + '/' + self.signal_channel, max_val=10)
+            task.timing.cfg_samp_clk_timing(rate=self.rate, samps_per_chan=self.sample_number)
+            c = task.read(number_of_samples_per_channel=self.sample_number, timeout=self.timeout)
+        return np.array(c)
+
+    def configure(self, config_dict: dict) -> None:
+        """
+        This method is used to configure the data controller.
+        """
+        self.device_name = config_dict.get('daq_name', self.device_name)
+        self.signal_channel = config_dict.get('signal_channels', self.signal_channel)
+        self.sample_number = config_dict.get('sample_number', self.sample_number)
+        self.rate = config_dict.get('rate', self.rate)
+        self.timeout = config_dict.get('timeout', self.timeout)

src/qt3utils/applications/controllers/nidaq_rate_counter.yaml

@@ -0,0 +1,51 @@
+QT3PLE:
+  ApplicationController:
+    import_path : qt3utils.datagenerators.plescanner
+    class_name : PleScanner
+    configure :
+      controllers:
+        daq_writers:
+          daq_writer : VoltageController
+      readers :
+        daq_readers:
+          daq_reader : DAQCounter
+        wm_readers:
+
+  DAQCounter:
+    import_path : qt3utils.applications.controllers.nidaqedgecounter
+    class_name  : QT3ScopeNIDAQEdgeCounterController
+    configure :
+      daq_name : Dev1  # NI DAQ Device Name
+      signal_terminal : PFI0  # NI DAQ terminal connected to input digital TTL signal
+      clock_terminal :    # Specifies the digital input terminal to the NI DAQ to use for a clock. If left blank, interprets as None or NULL
+      clock_rate: 100000  # NI DAQ clock rate in Hz
+      num_data_samples_per_batch : 1000
+      read_write_timeout : 10  # timeout in seconds for read/write operations
+      signal_counter : ctr2  # NI DAQ counter to use for counting the input signal, e.g. ctr0, ctr1, ctr2, or ctr3
+
+  VoltageController:
+    import_path : qt3utils.nidaq.customcontrollers
+    class_name  : VControl
+    configure :
+      daq_name : Dev1  # NI DAQ Device Name
+      write_channels : ao0  # NI DAQ analog output channels to use for writing position
+      read_channels : ai0  # NI DAQ analog input channels to use for reading position
+      min_position: -10  # conversion factor from volts to microns, can also supply a list [8,8,8] or [6,4.2,5]
+      max_position: 10  # the voltage value that defines the position 0,0,0, can also supply a list [0,0,0] or [5,5,5]
+      scale_nm_per_volt: 1  # microns
+
+
+# notes
+
+# clock_rate:
+#   Specifies the clock rate in Hz. If using an external clock,
+#   you should specifiy the clock rate here so that the correct counts per
+#   second are displayed. If using the internal NI DAQ clock (default behavior),
+#   this value specifies the clock rate to use. Per the NI DAQ manual,
+#   use a suitable clock rate for the device for best performance, which is an integer
+#   multiple downsample of the digital sample clock.
+
+# clock_terminal:
+#   Specifies the digital input terminal to the NI DAQ to use for a clock.
+#   If None, the internal NI DAQ clock is used. Otherwise, a string value
+#   specifies the terminal to use for the clock.

src/qt3utils/applications/controllers/nidaq_wm_ple.yaml

@@ -0,0 +1,39 @@
+QT3PLE:
+  ApplicationController:
+    import_path : qt3utils.datagenerators.plescanner
+    class_name : PleScanner
+    configure :
+      controller: VoltageController
+      readers :
+        daq_readers:
+          daq_reader : DAQReader
+        wm_readers:
+          wm_reader : WavemeterDllController
+
+  DAQReader:
+    import_path : qt3utils.applications.controllers.lockin_controller
+    class_name  : Lockin
+    configure :
+      daq_name : Silicon_DAQ # NI DAQ Device Name
+      signal_channels : ai21  # NI DAQ analog input channels to use for reading position
+      sample_number: 20  # Specifies the sampling rate in samples per channel per second
+      rate: 20.0  #Specifies the number of samples to acquire or generate for each channel in the task
+      timeout: 20  # Specifies the amount of time in seconds to wait for samples to become available
+
+  VoltageController:
+    import_path : qt3utils.nidaq.customcontrollers
+    class_name  : VControl
+    configure :
+      daq_name : Silicon_DAQ # NI DAQ Device Name
+      write_channels : ao3 # NI DAQ analog output channels to use for writing voltage
+      read_channels : ai0  # NI DAQ analog input channels to use for reading voltage
+      min_position: -10  # conversion factor from volts to microns, can also supply a list [8,8,8] or [6,4.2,5]
+      max_position: 10  # the voltage value that defines the position 0,0,0, can also supply a list [0,0,0] or [5,5,5]
+      scale_nm_per_volt: 1  # microns
+      num_measurements_per_batch: 10
+
+  WavemeterDllController:
+    import_path : qt3utils.applications.controllers.wavemeter_controller
+    class_name  : WavemeterDllController
+    configure :
+      dll_path : C:/Users/Fulab/Downloads/00392-2-06-A_CustomerCD621/00392-2-06-A_Customer CD 621/Programming Interface/x64/CLDevIFace.dll

src/qt3utils/applications/controllers/nidaqedgecounter.py

@@ -158,3 +158,4 @@ def num_data_samples_per_batch(self) -> int:
     @num_data_samples_per_batch.setter
     def num_data_samples_per_batch(self, value: int):
         self.data_generator.num_data_samples_per_batch = value
+

src/qt3utils/applications/controllers/wavemeter_controller.py

@@ -0,0 +1,87 @@
+import abc
+import ctypes
+import logging
+
+
+class WavemeterController(abc.ABC):
+    """
+    Base class for other types of wavemeter controllers to inherit from
+    """
+    def __init__(self, logger_level):
+        self.logger = logging.getLogger(__name__)
+        self.logger.setLevel(logger_level)
+
+    @abc.abstractmethod
+    def open(self):
+        """
+        Override this method to open and initialize wavemeter
+        """
+        pass
+
+    @abc.abstractmethod
+    def read_wavemeter(self):
+        """
+        Override this method to read the value from the wavemeter
+        """
+        pass
+
+    @abc.abstractmethod
+    def close_wavemeter(self):
+        """
+        Override this method to close the connection to the wavemeter
+        """
+        pass
+
+    @abc.abstractmethod
+    def configure(self):
+        """
+        Override this method to configure the wavemeter from a dict set via yaml file
+        """
+        pass
+
+
+class WavemeterDllController(WavemeterController):
+    """
+    Class for interfacing with wavemeter hardware
+    """
+    def __init__(self, logger_level, dll_path=""):
+        super(WavemeterDllController, self).__init__(logger_level)
+        if not dll_path == "":
+            self.open(dll_path)
+        self.dll_path = dll_path
+        self.last_config_dict = {}
+
+    def open(self, dll_path) -> None:
+        """
+        Set the path to the dll used for interfacing with the wavemeter
+        """
+        self._mydll = ctypes.cdll.LoadLibrary(dll_path)
+        self._mydll.CLGetLambdaReading.restype = ctypes.c_double
+        self._dh = self._mydll.CLOpenUSBSerialDevice(4)
+        if self._dh == -1:
+            raise Exception("Failed to connect to wave meter.")
+
+    def read_wavemeter(self) -> float:
+        """
+        Return the value from the wavemeter via the dll
+        """
+        return self._mydll.CLGetLambdaReading(self._dh)
+
+    def close_wavemeter(self) -> None:
+        """
+        Close the connection to the wavemeter via the dll
+        """
+        ending = self._mydll.CLCloseDevice(self._dh)
+        if ending == -1:
+            raise Exception("Failed to properly close connection to wave meter.")
+        else:
+            device_handle=None
+
+    def configure(self, config_dict: dict) -> None:
+        """
+        This method is used to configure the data controller.
+        """
+        self.logger.debug("calling configure on the wave meter controller")
+        self.dll_path = config_dict.get('dll_path', self.dll_path)
+        self.open(self.dll_path)
+