from PyQt6 import QtWidgets, QtGui from PyQt6.QtCore import pyqtSignal, QObject, QSignalBlocker, pyqtSlot from pyqtgraph import PlotWidget from pyqtgraph.parametertree import Parameter, ParameterTree, ParameterItem, registerParameterType import pyqtgraph as pg 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 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) 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()) 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): def __init__(self, args): super().__init__() self.setupUi(self) self.connect_btn.clicked.connect(self.connect) self.fan_power_slider.valueChanged.connect(self.fan_set) self.fan_auto_box.stateChanged.connect(self.fan_auto_set) 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.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 _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 not result: self.status_lbl.setText("Disconnected") self.fan_pwm_warning.setPixmap(QtGui.QPixmap()) self.fan_pwm_warning.setToolTip("") 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 self.fan_power_slider.setEnabled(not fan_settings["auto_mode"]) 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() or self.fan_auto_box.isChecked(): return 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 self.fan_power_slider.setEnabled(not enabled) 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): if self.client_watcher.is_watching(): self.client_watcher.stop_watching() if self.tec_client.is_connecting() or self.tec_client.is_connected(): await self.tec_client.disconnect() @asyncSlot() async def connect(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) try: await self.tec_client.connect(host=ip, port=port, timeout=30) except asyncio.CancelledError: return self._on_connection_changed(True) self._status(await self.tec_client.hw_rev()) self.fan_update(await self.tec_client.fan()) self.client_watcher.start_watching() else: self.client_watcher.stop_watching() await self.tec_client.disconnect() self._on_connection_changed(False) except (OSError, TimeoutError) as e: logging.error(f"Failed communicating to {ip}:{port}: {e}") await self.tec_client.disconnect() self._on_connection_changed(False) 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()