forked from awendt/pyrelacs
215 lines
7.1 KiB
Python
215 lines
7.1 KiB
Python
import pathlib
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from PyQt6.QtGui import QAction
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import sys
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from PyQt6.QtCore import QSize, QThreadPool, QSettings
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from PyQt6.QtWidgets import (
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QApplication,
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QGridLayout,
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QPushButton,
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QToolBar,
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QWidget,
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QMainWindow,
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QPlainTextEdit,
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)
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import pyqtgraph as pg
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import uldaq
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from IPython import embed
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from scipy.signal import welch, find_peaks
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import numpy as np
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import nixio as nix
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from pyrelacs.util.logging import config_logging
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import pyrelacs.info as info
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from pyrelacs.worker import Worker
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from pyrelacs.repros.repros import Repro
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log = config_logging()
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class PyRelacs(QMainWindow):
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def __init__(self):
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super().__init__()
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self.setWindowTitle("PyRelacs")
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self.setMinimumSize(1000, 1000)
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self.plot_graph = pg.PlotWidget()
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self.threadpool = QThreadPool()
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self.repros = Repro()
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self.daq_connect_button = QPushButton("Connect Daq")
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self.daq_connect_button.setCheckable(True)
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self.daq_connect_button.clicked.connect(self.connect_dac)
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self.daq_disconnect_button = QPushButton("Disconnect Daq")
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self.daq_disconnect_button.setCheckable(True)
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self.daq_disconnect_button.clicked.connect(self.disconnect_dac)
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self.plot_calibration_button = QPushButton("Plot Calibration")
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self.plot_calibration_button.setCheckable(True)
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self.plot_calibration_button.clicked.connect(self.plot_calibration)
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self.text = QPlainTextEdit()
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self.text.setReadOnly(True)
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layout = QGridLayout()
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layout.addWidget(self.plot_calibration_button, 0, 0)
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layout.addWidget(self.daq_disconnect_button, 0, 1)
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layout.addWidget(self.text, 3, 0, 1, 2)
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layout.addWidget(self.plot_graph, 2, 0, 1, 2)
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self.toolbar = QToolBar("Repros")
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self.addToolBar(self.toolbar)
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self.repros_to_toolbar()
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self.setFixedSize(QSize(400, 300))
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widget = QWidget()
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widget.setLayout(layout)
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self.setCentralWidget(widget)
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self.nix_file = nix.File.open(
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str(pathlib.Path(__file__).parent / "data"), nix.FileMode.ReadOnly
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)
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def plot_calibration(self):
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def decibel(power, ref_power=1.0, min_power=1e-20):
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"""Transform power to decibel relative to ref_power.
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\\[ decibel = 10 \\cdot \\log_{10}(power/ref\\_power) \\]
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Power values smaller than `min_power` are set to `-np.inf`.
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Parameters
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----------
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power: float or array
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Power values, for example from a power spectrum or spectrogram.
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ref_power: float or None or 'peak'
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Reference power for computing decibel.
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If set to `None` or 'peak', the maximum power is used.
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min_power: float
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Power values smaller than `min_power` are set to `-np.inf`.
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Returns
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-------
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decibel_psd: array
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Power values in decibel relative to `ref_power`.
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"""
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if np.isscalar(power):
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tmp_power = np.array([power])
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decibel_psd = np.array([power])
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else:
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tmp_power = power
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decibel_psd = power.copy()
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if ref_power is None or ref_power == "peak":
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ref_power = np.max(decibel_psd)
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decibel_psd[tmp_power <= min_power] = float("-inf")
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decibel_psd[tmp_power > min_power] = 10.0 * np.log10(
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decibel_psd[tmp_power > min_power] / ref_power
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)
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if np.isscalar(power):
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return decibel_psd[0]
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else:
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return decibel_psd
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block = self.nix_file.blocks[0]
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for stim, fish in zip(
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list(block.data_arrays)[::2], list(block.data_arrays)[1::2]
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):
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beat = stim[:] + fish[:]
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beat_squared = beat**2
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f, powerspec = welch(beat, fs=40_000.0)
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powerspec = decibel(powerspec)
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f_sq, powerspec_sq = welch(beat_squared, fs=40_000.0)
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powerspec_sq = decibel(powerspec_sq)
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peaks = find_peaks(powerspec_sq, prominence=20)[0]
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pen = pg.mkPen()
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self.plot_graph.plot(
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np.arange(0, len(beat)) / 40_000.0, beat_squared, pen=pen
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)
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def connect_dac(self):
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devices = uldaq.get_daq_device_inventory(uldaq.InterfaceType.USB)
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try:
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self.daq_device = uldaq.DaqDevice(devices[0])
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log.debug(f"Found daq devices {len(devices)}, connecting to the first one")
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self.daq_device.connect()
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log.debug("Connected")
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except IndexError:
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log.debug("DAQ is not connected, closing")
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QApplication.quit()
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self.daq_connect_button.setDisabled(True)
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def disconnect_dac(self):
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try:
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log.debug(f"{self.daq_device}")
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self.daq_device.disconnect()
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self.daq_device.release()
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log.debug(f"{self.daq_device}")
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self.daq_disconnect_button.setDisabled(True)
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self.daq_connect_button.setEnabled(True)
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except AttributeError:
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log.debug("DAQ was not connected")
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def repros_to_toolbar(self):
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repro_names, file_names = self.repros.names_of_repros()
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for rep, fn in zip(repro_names, file_names):
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individual_repro_button = QAction(rep, self)
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individual_repro_button.setStatusTip("Button")
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individual_repro_button.triggered.connect(
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lambda checked, n=rep, f=fn: self.run_repro(n, f)
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)
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self.toolbar.addAction(individual_repro_button)
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def run_repro(self, n, fn):
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self.text.appendPlainText(f"started Repro {n}, {fn}")
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worker = Worker(self.repros.run_repro, self.nix_file, n, fn)
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worker.signals.result.connect(self.print_output)
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worker.signals.finished.connect(self.thread_complete)
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worker.signals.progress.connect(self.progress_fn)
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self.threadpool.start(worker)
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def print_output(self, s):
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print(s)
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def thread_complete(self):
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print("THREAD COMPLETE!")
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def progress_fn(self, n):
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print("%d%% done" % n)
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def main():
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app = QApplication(sys.argv)
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app.setApplicationName(info.NAME)
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app.setApplicationVersion(str(info.VERSION))
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app.setOrganizationDomain(info.ORGANIZATION)
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# read window settings
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settings = QSettings(info.ORGANIZATION, info.NAME)
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width = int(settings.value("app/width", 1024))
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height = int(settings.value("app/height", 768))
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x = int(settings.value("app/pos_x", 100))
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y = int(settings.value("app/pos_y", 100))
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window = PyRelacs()
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window.setMinimumWidth(200)
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window.setMinimumHeight(200)
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window.resize(width, height)
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window.move(x, y)
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window.show()
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exit_code = app.exec()
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# store window position and size
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pos = window.pos()
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settings.setValue("app/width", window.width())
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settings.setValue("app/height", window.height())
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settings.setValue("app/pos_x", pos.x())
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settings.setValue("app/pos_y", pos.y())
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sys.exit(exit_code)
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if __name__ == "__main__":
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main()
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