from PyQt6 import QtWidgets, QtGui, QtCore from PyQt6.QtCore import pyqtSignal, QObject, QSignalBlocker, pyqtSlot from pyqtgraph.parametertree import Parameter, ParameterTree, ParameterItem import pyqtgraph as pg from pglive.sources.data_connector import DataConnector from pglive.kwargs import Axis from pglive.sources.live_plot import LiveLinePlot from pglive.sources.live_plot_widget import LivePlotWidget from pglive.sources.live_axis import LiveAxis import sys import argparse import logging import asyncio from pytec.aioclient import Client, StoppedConnecting import qasync from qasync import asyncSlot, asyncClose # pyuic6 -x tec_qt.ui -o ui_tec_qt.py from ui_tec_qt import Ui_MainWindow class CommandsParameter(Parameter): pass THERMOSTAT_PARAMETERS = [[ {'name': 'Constant Current', 'type': 'float', 'value': 0, 'step': 0.1, 'limits': (-3, 3), 'siPrefix': True, 'suffix': 'A', 'commands': [f'pwm {ch} i_set {{value}}']}, {'name': 'Temperature PID', 'type': 'bool', 'value': False, 'commands': [f'pwm {ch} pid'], 'children': [ {'name': 'Set Temperature', 'type': 'float', 'value': 25, 'step': 0.1, 'limits': (-273, 300), 'siPrefix': True, 'suffix': '°C', 'commands': [f'pid {ch} target {{value}}']}, ]}, {'name': 'Output Config', 'expanded': False, 'type': 'group', 'children': [ {'name': 'Max Current', 'type': 'float', 'value': 0, 'step': 0.1, 'limits': (0, 3), 'siPrefix': True, 'prefix': '±', 'suffix': 'A', 'commands': [f'pwm {ch} max_i_pos {{value}}', f'pwm {ch} max_i_neg {{value}}', f'pid {ch} output_min -{{value}}', f'pid {ch} output_max {{value}}']}, {'name': 'Max Voltage', 'type': 'float', 'value': 0, 'step': 0.1, 'limits': (0, 5), 'siPrefix': True, 'suffix': 'V', 'commands': [f'pwm {ch} max_v {{value}}']}, ]}, {'name': 'Thermistor Config', 'expanded': False, 'type': 'group', 'children': [ {'name': 'T₀', 'type': 'float', 'value': 25, 'step': 0.1, 'limits': (-100, 100), 'siPrefix': True, 'suffix': '°C', 'commands': [f's-h {ch} t0 {{value}}']}, {'name': 'R₀', 'type': 'float', 'value': 10000, 'step': 1, 'siPrefix': True, 'suffix': 'Ω', 'commands': [f's-h {ch} r0 {{value}}']}, {'name': 'β', 'type': 'float', 'value': 3950, 'step': 1, 'suffix': 'K', 'commands': [f's-h {ch} b {{value}}']}, ]}, {'name': 'Postfilter Config', 'expanded': False, 'type': 'group', 'children': [ {'name': 'Rate', 'type': 'float', 'value': 16.67, 'step': 0.01, 'suffix': 'Hz', 'commands': [f'postfilter {ch} rate {{value}}']}, ]}, {'name': 'PID Config', 'expanded': False, 'type': 'group', 'children': [ {'name': 'Kp', 'type': 'float', 'value': 0, 'step': 0.1, 'suffix': '°C/A', 'commands': [f'pid {ch} kp {{value}}']}, {'name': 'Ki', 'type': 'float', 'value': 0, 'step': 0.1, 'suffix': '°C/C', 'commands': [f'pid {ch} ki {{value}}']}, {'name': 'Kd', 'type': 'float', 'value': 0, 'step': 0.1, 'suffix': '°Cs²/C', 'commands': [f'pid {ch} kd {{value}}']}, {'name': 'PID Auto Tune', 'expanded': False, 'type': 'group', 'children': [ {'name': 'Target Temperature', 'type': 'float', 'value': 20, 'step': 0.1, 'siPrefix': True, 'suffix': '°C'}, {'name': 'Test Current', 'type': 'float', 'value': 1, 'step': 0.1, 'siPrefix': True, 'suffix': 'A'}, {'name': 'Temperature Swing', 'type': 'float', 'value': 1.5, 'step': 0.1, 'siPrefix': True, 'prefix': '±', 'suffix': '°C'}, {'name': 'Run', 'type': 'action', 'tip': 'Run'}, ]}, ]}, {'name': 'Save to flash', 'type': 'action', 'tip': 'Save config to thermostat, applies on reset', 'commands': [f'save {ch}']} ] for ch in range(2)] def get_argparser(): parser = argparse.ArgumentParser(description="ARTIQ master") parser.add_argument("--connect", default=None, action="store_true", help="Automatically connect to the specified Thermostat in IP:port format") parser.add_argument('IP', metavar="ip", default=None, nargs='?') parser.add_argument('PORT', metavar="port", default=None, nargs='?') parser.add_argument("-l", "--log", dest="logLevel", choices=['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'], help="Set the logging level") return parser class WrappedClient(QObject, Client): connection_error = pyqtSignal() def __init__(self, parent): super().__init__(parent) async def _read_line(self): try: return await super()._read_line() except (OSError, TimeoutError, asyncio.TimeoutError) as e: # TODO: Remove asyncio.TimeoutError in Python 3.11 logging.error("Client connection error, disconnecting", exc_info=True) self.connection_error.emit() async def _check_zero_limits(self): pwm_report = await self.get_pwm() for pwm_channel in pwm_report: if (neg := pwm_channel["max_i_neg"]["value"]) != (pos := pwm_channel["max_i_pos"]["value"]): # Set the minimum of the 2 lcd = min(neg, pos) await self.set_param("pwm", pwm_channel["channel"], 'max_i_neg', lcd) await self.set_param("pwm", pwm_channel["channel"], 'max_i_pos', lcd) for limit in ["max_i_pos", "max_v"]: if pwm_channel[limit]["value"] == 0.0: QtWidgets.QMessageBox.warning(self.parent(), "Limits", "Max {} is set to zero on channel {}!".format("Current" if limit == "max_i_pos" else "Voltage", pwm_channel["channel"])) class ClientWatcher(QObject): fan_update = pyqtSignal(dict) pwm_update = pyqtSignal(list) report_update = pyqtSignal(list) pid_update = pyqtSignal(list) thermistor_update = pyqtSignal(list) postfilter_update = pyqtSignal(list) def __init__(self, parent, client, update_s): self._update_s = update_s self._client = client self._watch_task = None self._report_mode_task = None self._poll_for_report = True super().__init__(parent) async def run(self): loop = asyncio.get_running_loop() while True: time = loop.time() await self.update_params() await asyncio.sleep(self._update_s - (loop.time() - time)) async def update_params(self): self.fan_update.emit(await self._client.get_fan()) self.pwm_update.emit(await self._client.get_pwm()) if self._poll_for_report: self.report_update.emit(await self._client.report()) self.pid_update.emit(await self._client.get_pid()) self.thermistor_update.emit(await self._client.get_steinhart_hart()) self.postfilter_update.emit(await self._client.get_postfilter()) def start_watching(self): self._watch_task = asyncio.create_task(self.run()) @pyqtSlot() def stop_watching(self): if self._watch_task is not None: self._watch_task.cancel() self._watch_task = None async def set_report_mode(self, enabled: bool): self._poll_for_report = not enabled if enabled: self._report_mode_task = asyncio.create_task(self.report_mode()) else: self._client.stop_report_mode() if self._report_mode_task is not None: await self._report_mode_task self._report_mode_task = None async def report_mode(self): async for report in self._client.report_mode(): self.report_update.emit(report) @pyqtSlot(float) def set_update_s(self, update_s): self._update_s = update_s class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow): """The maximum number of sample points to store.""" DEFAULT_MAX_SAMPLES = 1000 def __init__(self, args): super().__init__() self.setupUi(self) self.max_samples = self.DEFAULT_MAX_SAMPLES self._set_up_connection_menu() self._set_up_thermostat_menu() self._set_up_plot_menu() self.params = [ CommandsParameter.create(name=f"Thermostat Channel {ch} Parameters", type='group', value=ch, children=THERMOSTAT_PARAMETERS[ch]) for ch in range(2) ] self._set_param_tree() self.ch0_t_plot = LiveLinePlot() self.ch0_i_plot = LiveLinePlot() self.ch0_iset_plot = LiveLinePlot(pen=pg.mkPen('r')) self.ch1_t_plot = LiveLinePlot() self.ch1_i_plot = LiveLinePlot() self.ch1_iset_plot = LiveLinePlot(pen=pg.mkPen('r')) self.ch0_t_line = self.ch0_t_graph.getPlotItem().addLine(label='{value} °C') self.ch0_t_line.setVisible(False) self.ch1_t_line = self.ch1_t_graph.getPlotItem().addLine(label='{value} °C') self.ch1_t_line.setVisible(False) self._set_up_graphs() self.ch0_t_connector = DataConnector(self.ch0_t_plot, max_points=self.DEFAULT_MAX_SAMPLES) self.ch0_i_connector = DataConnector(self.ch0_i_plot, max_points=self.DEFAULT_MAX_SAMPLES) self.ch0_iset_connector = DataConnector(self.ch0_iset_plot, max_points=self.DEFAULT_MAX_SAMPLES) self.ch1_t_connector = DataConnector(self.ch1_t_plot, max_points=self.DEFAULT_MAX_SAMPLES) self.ch1_i_connector = DataConnector(self.ch1_i_plot, max_points=self.DEFAULT_MAX_SAMPLES) self.ch1_iset_connector = DataConnector(self.ch1_iset_plot, max_points=self.DEFAULT_MAX_SAMPLES) self.hw_rev_data = None self.client = WrappedClient(self) self.client.connection_error.connect(self.bail) self.client_watcher = ClientWatcher(self, self.client, self.report_refresh_spin.value()) self.client_watcher.fan_update.connect(self.fan_update) self.client_watcher.report_update.connect(self.plot) self.client_watcher.report_update.connect(self.update_report) self.client_watcher.pid_update.connect(self.update_pid) self.client_watcher.pwm_update.connect(self.update_pwm) self.client_watcher.thermistor_update.connect(self.update_thermistor) self.client_watcher.postfilter_update.connect(self.update_postfilter) self.report_apply_btn.clicked.connect( lambda: self.client_watcher.set_update_s(self.report_refresh_spin.value()) ) if args.connect: if args.IP: self.host_set_line.setText(args.IP) if args.PORT: self.port_set_spin.setValue(int(args.PORT)) self.connect_btn.click() def _set_up_connection_menu(self): _translate = QtCore.QCoreApplication.translate self.connection_menu = QtWidgets.QMenu() self.connection_menu.setTitle('Connection Settings') self.host_set_line = QtWidgets.QLineEdit() sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Fixed, QtWidgets.QSizePolicy.Policy.Expanding) sizePolicy.setHeightForWidth(self.host_set_line.sizePolicy().hasHeightForWidth()) self.host_set_line.setSizePolicy(sizePolicy) self.host_set_line.setMinimumSize(QtCore.QSize(160, 0)) self.host_set_line.setMaximumSize(QtCore.QSize(160, 16777215)) self.host_set_line.setMaxLength(15) self.host_set_line.setClearButtonEnabled(True) self.host_set_line.setText("192.168.1.26") self.host_set_line.setPlaceholderText(_translate("MainWindow", "IP for the Thermostat")) host = QtWidgets.QWidgetAction(self.connection_menu) host.setDefaultWidget(self.host_set_line) self.connection_menu.addAction(host) self.connection_menu.host = host self.port_set_spin = QtWidgets.QSpinBox() sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Fixed, QtWidgets.QSizePolicy.Policy.Fixed) sizePolicy.setHeightForWidth(self.port_set_spin.sizePolicy().hasHeightForWidth()) self.port_set_spin.setSizePolicy(sizePolicy) self.port_set_spin.setMinimumSize(QtCore.QSize(70, 0)) self.port_set_spin.setMaximumSize(QtCore.QSize(70, 16777215)) self.port_set_spin.setMaximum(65535) self.port_set_spin.setValue(23) port = QtWidgets.QWidgetAction(self.connection_menu) port.setDefaultWidget(self.port_set_spin) self.connection_menu.addAction(port) self.connection_menu.port = port self.connect_btn.setMenu(self.connection_menu) def _set_up_thermostat_menu(self): _translate = QtCore.QCoreApplication.translate self.thermostat_menu = QtWidgets.QMenu() self.thermostat_menu.setTitle('Thermostat settings') self.fan_group = QtWidgets.QWidget() self.fan_group.setEnabled(False) self.fan_group.setMinimumSize(QtCore.QSize(40, 0)) self.fan_layout = QtWidgets.QHBoxLayout(self.fan_group) self.fan_layout.setSpacing(9) self.fan_lbl = QtWidgets.QLabel(parent=self.fan_group) sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Fixed, QtWidgets.QSizePolicy.Policy.Expanding) sizePolicy.setHeightForWidth(self.fan_lbl.sizePolicy().hasHeightForWidth()) self.fan_lbl.setSizePolicy(sizePolicy) self.fan_lbl.setMinimumSize(QtCore.QSize(40, 0)) self.fan_lbl.setMaximumSize(QtCore.QSize(40, 16777215)) self.fan_lbl.setBaseSize(QtCore.QSize(40, 0)) self.fan_layout.addWidget(self.fan_lbl) self.fan_power_slider = QtWidgets.QSlider(parent=self.fan_group) sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Fixed, QtWidgets.QSizePolicy.Policy.Expanding) sizePolicy.setHeightForWidth(self.fan_power_slider.sizePolicy().hasHeightForWidth()) self.fan_power_slider.setSizePolicy(sizePolicy) self.fan_power_slider.setMinimumSize(QtCore.QSize(200, 0)) self.fan_power_slider.setMaximumSize(QtCore.QSize(200, 16777215)) self.fan_power_slider.setBaseSize(QtCore.QSize(200, 0)) self.fan_power_slider.setRange(1, 100) self.fan_power_slider.setOrientation(QtCore.Qt.Orientation.Horizontal) self.fan_layout.addWidget(self.fan_power_slider) self.fan_auto_box = QtWidgets.QCheckBox(parent=self.fan_group) sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Fixed, QtWidgets.QSizePolicy.Policy.Expanding) sizePolicy.setHeightForWidth(self.fan_auto_box.sizePolicy().hasHeightForWidth()) self.fan_auto_box.setSizePolicy(sizePolicy) self.fan_auto_box.setMinimumSize(QtCore.QSize(70, 0)) self.fan_auto_box.setMaximumSize(QtCore.QSize(70, 16777215)) self.fan_layout.addWidget(self.fan_auto_box) self.fan_pwm_warning = QtWidgets.QLabel(parent=self.fan_group) self.fan_pwm_warning.setMinimumSize(QtCore.QSize(16, 0)) self.fan_layout.addWidget(self.fan_pwm_warning) self.fan_power_slider.valueChanged.connect(self.fan_set) self.fan_auto_box.stateChanged.connect(self.fan_auto_set) self.fan_lbl.setToolTip(_translate("MainWindow", "Adjust the fan")) self.fan_lbl.setText(_translate("MainWindow", "Fan:")) self.fan_auto_box.setText(_translate("MainWindow", "Auto")) fan = QtWidgets.QWidgetAction(self.thermostat_menu) fan.setDefaultWidget(self.fan_group) self.thermostat_menu.addAction(fan) self.thermostat_menu.fan = fan @asyncSlot(bool) async def reset_thermostat(_): await self._on_connection_changed(False) await self.client.reset() await asyncio.sleep(0.1) # Wait for the reset to start self.connect_btn.click() # Reconnect self.actionReset.triggered.connect(reset_thermostat) self.thermostat_menu.addAction(self.actionReset) @asyncSlot(bool) async def dfu_mode(_): await self._on_connection_changed(False) await self.client.dfu() # TODO: add a firmware flashing GUI? self.actionEnter_DFU_Mode.triggered.connect(dfu_mode) self.thermostat_menu.addAction(self.actionEnter_DFU_Mode) @asyncSlot(bool) async def network_settings(_): ask_network = QtWidgets.QInputDialog(self) ask_network.setWindowTitle(_translate("MainWindow", "Network Settings")) ask_network.setLabelText(_translate("MainWindow", "Set the Thermostat's IPv4 address, netmask and gateway (optional)")) ask_network.setTextValue((await self.client.ipv4())['addr']) @pyqtSlot(str) def set_ipv4(ipv4_settings): sure = QtWidgets.QMessageBox(self) sure.setWindowTitle(_translate("MainWindow", "Set network?")) sure.setText(f"Setting this as network and disconnecting:
{ipv4_settings}") @asyncSlot(object) async def really_set(button): await self.client.set_param("ipv4", ipv4_settings) await self.client.disconnect() await self._on_connection_changed(False) sure.buttonClicked.connect(really_set) sure.show() ask_network.textValueSelected.connect(set_ipv4) ask_network.show() self.actionNetwork_Settings.triggered.connect(network_settings) self.thermostat_menu.addAction(self.actionNetwork_Settings) @asyncSlot(bool) async def load(_): await self.client.load_config() self.actionLoad_all_configs.triggered.connect(load) self.thermostat_menu.addAction(self.actionLoad_all_configs) @asyncSlot(bool) async def save(_): await self.client.save_config() self.actionSave_all_configs.triggered.connect(save) self.thermostat_menu.addAction(self.actionSave_all_configs) def about_thermostat(): QtWidgets.QMessageBox.about( self, _translate("MainWindow","About Thermostat"), f"""

Sinara 8451 Thermostat v{self.hw_rev_d['rev']['major']}.{self.hw_rev_d['rev']['minor']}


Settings:

Default fan curve: a = {self.hw_rev_d['settings']['fan_k_a']}, b = {self.hw_rev_d['settings']['fan_k_b']}, c = {self.hw_rev_d['settings']['fan_k_c']}
Fan PWM range: {self.hw_rev_d['settings']['min_fan_pwm']} – {self.hw_rev_d['settings']['max_fan_pwm']}
Fan PWM frequency: {self.hw_rev_d['settings']['fan_pwm_freq_hz']} Hz
Fan available: {self.hw_rev_d['settings']['fan_available']}
Fan PWM recommended: {self.hw_rev_d['settings']['fan_pwm_recommended']} """ ) self.actionAbout_Thermostat.triggered.connect(about_thermostat) self.thermostat_menu.addAction(self.actionAbout_Thermostat) self.thermostat_settings.setMenu(self.thermostat_menu) def _set_up_plot_menu(self): _translate = QtCore.QCoreApplication.translate self.plot_menu = QtWidgets.QMenu() self.plot_menu.setTitle("Plot Settings") clear = QtGui.QAction("Clear graphs", self.plot_menu) clear.triggered.connect(self.clear_graphs) self.plot_menu.addAction(clear) self.plot_menu.clear = clear self.samples_spinbox = QtWidgets.QSpinBox() self.samples_spinbox.setRange(2, 100000) self.samples_spinbox.setSuffix(' samples') self.samples_spinbox.setValue(self.max_samples) self.samples_spinbox.valueChanged.connect(self.set_max_samples) limit_samples = QtWidgets.QWidgetAction(self.plot_menu) limit_samples.setDefaultWidget(self.samples_spinbox) self.plot_menu.addAction(limit_samples) self.plot_menu.limit_samples = limit_samples self.plot_settings.setMenu(self.plot_menu) @pyqtSlot(int) def set_max_samples(self, samples: int): self.ch0_t_connector.max_points = samples self.ch0_i_connector.max_points = samples self.ch0_iset_connector.max_points = samples self.ch1_t_connector.max_points = samples self.ch1_i_connector.max_points = samples self.ch1_iset_connector.max_points = samples def _set_up_graphs(self): for graph in self.ch0_t_graph, self.ch0_i_graph, self.ch1_t_graph, self.ch1_i_graph: time_axis = LiveAxis('bottom', text="Time since Thermostat reset", **{Axis.TICK_FORMAT: Axis.DURATION}) time_axis.showLabel() graph.setAxisItems({'bottom': time_axis}) graph.add_crosshair(pg.mkPen(color='red', width=1), {'color': 'green'}) # Enable linking of axes in the graph widget's context menu graph.register(graph.getPlotItem().titleLabel.text) # Slight hack getting the title for graph in self.ch0_t_graph, self.ch1_t_graph: temperature_axis = LiveAxis('left', text="Temperature", units="°C") temperature_axis.showLabel() graph.setAxisItems({'left': temperature_axis}) for graph in self.ch0_i_graph, self.ch1_i_graph: current_axis = LiveAxis('left', text="Current", units="A") current_axis.showLabel() graph.setAxisItems({'left': current_axis}) self.ch0_t_graph.addItem(self.ch0_t_plot) self.ch0_i_graph.addItem(self.ch0_i_plot) self.ch0_i_graph.addItem(self.ch0_iset_plot) self.ch1_t_graph.addItem(self.ch1_t_plot) self.ch1_i_graph.addItem(self.ch1_i_plot) self.ch1_i_graph.addItem(self.ch1_iset_plot) def clear_graphs(self): for connector in self.ch0_t_connector, self.ch0_i_connector, self.ch0_iset_connector, self.ch1_t_connector, self.ch1_i_connector, self.ch1_iset_connector: connector.clear() async def _on_connection_changed(self, result): self.graph_group.setEnabled(result) self.report_group.setEnabled(result) self.thermostat_settings.setEnabled(result) self.host_set_line.setEnabled(not result) self.port_set_spin.setEnabled(not result) self.connect_btn.setText("Disconnect" if result else "Connect") if result: self.hw_rev_data = await self.client.hw_rev() self._status(self.hw_rev_data) self.client_watcher.start_watching() # await self.client.set_param("fan", 1) else: self.status_lbl.setText("Disconnected") self.fan_pwm_warning.setPixmap(QtGui.QPixmap()) self.fan_pwm_warning.setToolTip("") self.clear_graphs() self.report_box.setChecked(False) await self.client_watcher.set_report_mode(False) self.client_watcher.stop_watching() self.status_lbl.setText("Disconnected") def _set_fan_pwm_warning(self): if self.fan_power_slider.value() != 100: pixmapi = getattr(QtWidgets.QStyle.StandardPixmap, "SP_MessageBoxWarning") icon = self.style().standardIcon(pixmapi) self.fan_pwm_warning.setPixmap(icon.pixmap(16, 16)) self.fan_pwm_warning.setToolTip("Throttling the fan (not recommended on this hardware rev)") else: self.fan_pwm_warning.setPixmap(QtGui.QPixmap()) self.fan_pwm_warning.setToolTip("") def _status(self, hw_rev_d: dict): logging.debug(hw_rev_d) self.status_lbl.setText(f"Connected to Thermostat v{hw_rev_d['rev']['major']}.{hw_rev_d['rev']['minor']}") self.fan_group.setEnabled(hw_rev_d["settings"]["fan_available"]) @pyqtSlot(dict) def fan_update(self, fan_settings: dict): logging.debug(fan_settings) if fan_settings is None: return with QSignalBlocker(self.fan_power_slider): self.fan_power_slider.setValue(fan_settings["fan_pwm"] or 100) # 0 = PWM off = full strength with QSignalBlocker(self.fan_auto_box): self.fan_auto_box.setChecked(fan_settings["auto_mode"]) if not self.hw_rev_data["settings"]["fan_pwm_recommended"]: self._set_fan_pwm_warning() @asyncSlot(int) async def fan_set(self, value): if not self.client.connected(): return if self.fan_auto_box.isChecked(): with QSignalBlocker(self.fan_auto_box): self.fan_auto_box.setChecked(False) await self.client.set_fan(value) if not self.hw_rev_data["settings"]["fan_pwm_recommended"]: self._set_fan_pwm_warning() @asyncSlot(int) async def fan_auto_set(self, enabled): if not self.client.connected(): return if enabled: await self.client.set_fan("auto") self.fan_update(await self.client.get_fan()) else: await self.client.set_fan(self.fan_power_slider.value()) @asyncSlot(int) async def on_report_box_stateChanged(self, enabled): await self.client_watcher.set_report_mode(enabled) @asyncClose async def closeEvent(self, event): await self.bail() @asyncSlot() async def on_connect_btn_clicked(self): host, port = self.host_set_line.text(), self.port_set_spin.value() try: if not (self.client.connecting() or self.client.connected()): self.status_lbl.setText("Connecting...") self.connect_btn.setText("Stop") self.host_set_line.setEnabled(False) self.port_set_spin.setEnabled(False) try: await self.client.start_session(host=host, port=port, timeout=30) except StoppedConnecting: return await self._on_connection_changed(True) else: await self.bail() except (OSError, TimeoutError, asyncio.TimeoutError) as e: # TODO: Remove asyncio.TimeoutError in Python 3.11 logging.error(f"Failed communicating to {host}:{port}: {e}") await self.bail() @asyncSlot() async def bail(self): await self._on_connection_changed(False) await self.client.end_session() @pyqtSlot(list) def plot(self, report): for channel in range(2): temperature = report[channel]['temperature'] current = report[channel]['tec_i'] iset = report[channel]['i_set'] time = report[channel]['time'] if temperature is not None and current is not None and iset is not None: getattr(self, f'ch{channel}_t_connector').cb_append_data_point(temperature, time) getattr(self, f'ch{channel}_i_connector').cb_append_data_point(current, time) getattr(self, f'ch{channel}_iset_connector').cb_append_data_point(iset, time) @asyncSlot(object, object) async def send_command(self, param, changes): for inner_param, change, data in changes: if inner_param.opts.get("commands", None) is not None: ch = param.value() match inner_param.name(): case 'Temperature PID': pid_enabled = data getattr(self, f'ch{ch}_t_line').setVisible(pid_enabled) if pid_enabled: getattr(self, f'ch{ch}_t_line').setValue(inner_param.child('Set Temperature').value()) else: await self.client.set_param('pwm', ch, 'i_set', param.child('Constant Current').value()) return case 'Set Temperature': getattr(self, f'ch{ch}_t_line').setValue(data) await asyncio.gather(*[self.client._command(x.format(value=data)) for x in inner_param.opts["commands"]]) def _set_param_tree(self): for i, tree in enumerate((self.ch0_tree, self.ch1_tree)): tree.setHeaderHidden(True) tree.setParameters(self.params[i], showTop=False) self.params[i].sigTreeStateChanged.connect(self.send_command) @pyqtSlot(list) def update_pid(self, pid_settings): for settings in pid_settings: channel = settings["channel"] with QSignalBlocker(self.params[channel]): self.params[channel].child("PID Config", "Kp").setValue(settings["parameters"]["kp"]) self.params[channel].child("PID Config", "Ki").setValue(settings["parameters"]["ki"]) self.params[channel].child("PID Config", "Kd").setValue(settings["parameters"]["kd"]) if self.params[channel].child("Temperature PID").value(): self.params[channel].child("Temperature PID", "Set Temperature").setValue(settings["target"]) getattr(self, f'ch{channel}_t_line').setValue(settings["target"]) @pyqtSlot(list) def update_report(self, report_data): for settings in report_data: channel = settings["channel"] with QSignalBlocker(self.params[channel]): self.params[channel].child("Temperature PID").setValue(settings["pid_engaged"]) getattr(self, f'ch{channel}_t_line').setVisible(settings["pid_engaged"]) if not settings["pid_engaged"]: self.params[channel].child("Constant Current").setValue(settings["i_set"]) @pyqtSlot(list) def update_thermistor(self, sh_data): for sh_param in sh_data: channel = sh_param["channel"] with QSignalBlocker(self.params[channel]): self.params[channel].child("Thermistor Config", "T₀").setValue(sh_param["params"]["t0"] - 273.15) self.params[channel].child("Thermistor Config", "R₀").setValue(sh_param["params"]["r0"]) self.params[channel].child("Thermistor Config", "β").setValue(sh_param["params"]["b"]) @pyqtSlot(list) def update_pwm(self, pwm_data): for pwm_params in pwm_data: channel = pwm_params["channel"] with QSignalBlocker(self.params[channel]): self.params[channel].child("Output Config", "Max Voltage").setValue(pwm_params["max_v"]["value"]) self.params[channel].child("Output Config", "Max Current").setValue(pwm_params["max_i_pos"]["value"]) @pyqtSlot(list) def update_postfilter(self, postfilter_data): for postfilter_params in postfilter_data: channel = postfilter_params["channel"] with QSignalBlocker(self.params[channel]): self.params[channel].child("Postfilter Config", "Rate").setValue(postfilter_params["rate"]) def retranslateUi(self, MainWindow): super().retranslateUi(MainWindow) _translate = QtCore.QCoreApplication.translate self.ch0_t_graph.setTitle(_translate("MainWindow", "Channel 0 Temperature")) self.ch0_i_graph.setTitle(_translate("MainWindow", "Channel 0 Current")) self.ch1_t_graph.setTitle(_translate("MainWindow", "Channel 1 Temperature")) self.ch1_i_graph.setTitle(_translate("MainWindow", "Channel 1 Current")) async def coro_main(): args = get_argparser().parse_args() if args.logLevel: logging.basicConfig(level=getattr(logging, args.logLevel)) app_quit_event = asyncio.Event() app = QtWidgets.QApplication.instance() app.aboutToQuit.connect(app_quit_event.set) main_window = MainWindow(args) main_window.show() await app_quit_event.wait() def main(): qasync.run(coro_main()) if __name__ == '__main__': main()