from PyQt6 import QtWidgets, QtGui from PyQt6.QtCore import pyqtSignal, QObject, QSignalBlocker, pyqtSlot from pyqtgraph.parametertree import Parameter, ParameterTree, ParameterItem, registerParameterType 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 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'], 'payload': ch, '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, '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 flash', 'commands': [f'save {ch}']} ] for ch in range(2)] params = [ CommandsParameter.create(name='Thermostat Params 0', type='group', children=THERMOSTAT_PARAMETERS[0]), CommandsParameter.create(name='Thermostat Params 1', type='group', children=THERMOSTAT_PARAMETERS[1]), ] 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 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 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.fan()) self.pwm_update.emit(await self.client.get_pwm()) self.report_update.emit(await self.client._command("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()) def is_watching(self): return self.watch_task is not None @pyqtSlot() def stop_watching(self): if self.watch_task is not None: self.watch_task.cancel() self.watch_task = None @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_context_menu() self.fan_power_slider.valueChanged.connect(self.fan_set) self.fan_auto_box.stateChanged.connect(self.fan_auto_set) self._set_param_tree() self.ch0_t_plot = LiveLinePlot() self.ch0_i_plot = LiveLinePlot() self.ch1_t_plot = LiveLinePlot() self.ch1_i_plot = LiveLinePlot() 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.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.fan_pwm_recommended = False self.tec_client = Client() self.client_watcher = ClientWatcher(self, self.tec_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.ip_set_line.setText(args.IP) if args.PORT: self.port_set_spin.setValue(int(args.PORT)) self.connect_btn.click() def _set_up_context_menu(self): self.menu = QtWidgets.QMenu() self.menu.setTitle('Thermostat settings') port = QtWidgets.QWidgetAction(self.menu) port.setDefaultWidget(self.port_set_spin) self.menu.addAction(port) self.menu.port = port fan = QtWidgets.QWidgetAction(self.menu) fan.setDefaultWidget(self.fan_group) self.menu.addAction(fan) self.menu.fan = fan self.thermostat_settings.setMenu(self.menu) 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}) 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.ch1_t_graph.addItem(self.ch1_t_plot) self.ch1_i_graph.addItem(self.ch1_i_plot) def clear_graphs(self): for connector in self.ch0_t_connector, self.ch0_i_connector, self.ch1_t_connector, self.ch1_i_connector: connector.clear() async def _on_connection_changed(self, result): self.graph_group.setEnabled(result) self.fan_group.setEnabled(result) self.report_group.setEnabled(result) self.ip_set_line.setEnabled(not result) self.port_set_spin.setEnabled(not result) self.connect_btn.setText("Disconnect" if result else "Connect") if result: self.client_watcher.start_watching() self._status(await self.tec_client.hw_rev()) self.fan_update(await self.tec_client.fan()) else: self.status_lbl.setText("Disconnected") self.fan_pwm_warning.setPixmap(QtGui.QPixmap()) self.fan_pwm_warning.setToolTip("") self.clear_graphs() self.client_watcher.stop_watching() 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"]) self.fan_pwm_recommended = hw_rev_d["settings"]["fan_pwm_recommended"] @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.fan_pwm_recommended: self._set_fan_pwm_warning() @asyncSlot(int) async def fan_set(self, value): if not self.tec_client.is_connected(): return if self.fan_auto_box.isChecked(): with QSignalBlocker(self.fan_auto_box): self.fan_auto_box.setChecked(False) await self.tec_client.set_param("fan", value) if not self.fan_pwm_recommended: self._set_fan_pwm_warning() @asyncSlot(int) async def fan_auto_set(self, enabled): if not self.tec_client.is_connected(): return if enabled: await self.tec_client.set_param("fan", "auto") self.fan_update(await self.tec_client.fan()) else: await self.tec_client.set_param("fan", self.fan_power_slider.value()) @asyncClose async def closeEvent(self, event): self.client_watcher.stop_watching() await self.tec_client.disconnect() @asyncSlot() async def on_connect_btn_clicked(self): ip, port = self.ip_set_line.text(), self.port_set_spin.value() try: if not (self.tec_client.is_connecting() or self.tec_client.is_connected()): self.status_lbl.setText("Connecting...") self.connect_btn.setText("Stop") self.ip_set_line.setEnabled(False) self.port_set_spin.setEnabled(False) connected = await self.tec_client.connect(host=ip, port=port, timeout=30) if not connected: return await self._on_connection_changed(True) else: await self._on_connection_changed(False) await self.tec_client.disconnect() except (OSError, TimeoutError) as e: logging.error(f"Failed communicating to {ip}:{port}: {e}") await self._on_connection_changed(False) await self.tec_client.disconnect() @pyqtSlot(list) def plot(self, report): for channel in range(2): temperature = report[channel]['temperature'] current = report[channel]['tec_i'] time = report[channel]['time'] if temperature is not None and current 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) @asyncSlot(object, object) async def send_command(self, param, changes): for param, change, data in changes: if param.name() == 'Temperature PID' and not data: ch = param.opts["payload"] await self.tec_client.set_param('pwm', ch, 'i_set', params[ch].child('Constant Current').value()) elif param.opts.get("commands", None) is not None: await asyncio.gather(*[self.tec_client._command(x.format(value=data)) for x in param.opts["commands"]]) def _set_param_tree(self): for i, tree in enumerate((self.ch0_tree, self.ch1_tree)): tree.setParameters(params[i], showTop=False) 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(params[channel]): params[channel].child("PID Config", "Kp").setValue(settings["parameters"]["kp"]) params[channel].child("PID Config", "Ki").setValue(settings["parameters"]["ki"]) params[channel].child("PID Config", "Kd").setValue(settings["parameters"]["kd"]) if params[channel].child("Temperature PID").value(): params[channel].child("Temperature PID", "Set Temperature").setValue(settings["target"]) @pyqtSlot(list) def update_report(self, report_data): for settings in report_data: channel = settings["channel"] with QSignalBlocker(params[channel]): params[channel].child("Temperature PID").setValue(settings["pid_engaged"]) if not settings["pid_engaged"]: 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(params[channel]): params[channel].child("Thermistor Config", "T₀").setValue(sh_param["params"]["t0"] - 273.15) params[channel].child("Thermistor Config", "R₀").setValue(sh_param["params"]["r0"]) 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(params[channel]): params[channel].child("Output Config", "Max Voltage").setValue(pwm_params["max_v"]["value"]) 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(params[channel]): params[channel].child("Postfilter Config", "Rate").setValue(postfilter_params["rate"]) 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()