315 lines
13 KiB
Python
315 lines
13 KiB
Python
from PyQt6 import QtWidgets, QtGui
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from PyQt6.QtCore import pyqtSignal, QObject, QSignalBlocker, pyqtSlot
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from pyqtgraph import PlotWidget
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from pyqtgraph.parametertree import Parameter, ParameterTree, ParameterItem, registerParameterType
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import pyqtgraph as pg
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import sys
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import argparse
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import logging
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import asyncio
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from pytec.aioclient import Client
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import qasync
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from qasync import asyncSlot, asyncClose
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# pyuic6 -x tec_qt.ui -o ui_tec_qt.py
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from ui_tec_qt import Ui_MainWindow
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class CommandsParameter(Parameter):
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def __init__(self, **opts):
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super().__init__()
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self.opts["commands"] = opts.get("commands", None)
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self.opts["payload"] = opts.get("payload", None)
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ThermostatParams = [[
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{'name': 'Constant Current', 'type': 'float', 'value': 0, 'step': 0.1, 'limits': (-3, 3), 'siPrefix': True,
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'suffix': 'A', 'commands': [f'pwm {ch} i_set {{value}}']},
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{'name': 'Temperature PID', 'type': 'bool', 'value': False, 'commands': [f'pwm {ch} pid'], 'payload': ch,
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'children': [
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{'name': 'Set Temperature', 'type': 'float', 'value': 25, 'step': 0.1, 'limits': (-273, 300), 'siPrefix': True,
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'suffix': '°C', 'commands': [f'pid {ch} target {{value}}']},
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]},
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{'name': 'Output Config', 'expanded': False, 'type': 'group', 'children': [
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{'name': 'Max Current', 'type': 'float', 'value': 0, 'step': 0.1, 'limits': (0, 3), 'siPrefix': True,
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'suffix': 'A', 'commands': [f'pwm {ch} max_i_pos {{value}}', f'pwm {ch} max_i_neg {{value}}',
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f'pid {ch} output_min -{{value}}', f'pid {ch} output_max {{value}}']},
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{'name': 'Max Voltage', 'type': 'float', 'value': 0, 'step': 0.1, 'limits': (0, 5), 'siPrefix': True,
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'suffix': 'V', 'commands': [f'pwm {ch} max_v {{value}}']},
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]},
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{'name': 'Thermistor Config', 'expanded': False, 'type': 'group', 'children': [
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{'name': 'T0', 'type': 'float', 'value': 25, 'step': 0.1, 'limits': (-100, 100), 'siPrefix': True,
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'suffix': 'C', 'commands': [f's-h {ch} t0 {{value}}']},
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{'name': 'R0', 'type': 'float', 'value': 10000, 'step': 1, 'siPrefix': True, 'suffix': 'Ohm',
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'commands': [f's-h {ch} r0 {{value}}']},
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{'name': 'Beta', 'type': 'float', 'value': 3950, 'step': 1, 'commands': [f's-h {ch} b {{value}}']},
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]},
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{'name': 'PID Config', 'expanded': False, 'type': 'group', 'children': [
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{'name': 'kP', 'type': 'float', 'value': 0, 'step': 0.1, 'commands': [f'pid {ch} kp {{value}}']},
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{'name': 'kI', 'type': 'float', 'value': 0, 'step': 0.1, 'commands': [f'pid {ch} ki {{value}}']},
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{'name': 'kD', 'type': 'float', 'value': 0, 'step': 0.1, 'commands': [f'pid {ch} kd {{value}}']},
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{'name': 'PID Auto Tune', 'expanded': False, 'type': 'group', 'children': [
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{'name': 'Target Temperature', 'type': 'float', 'value': 20, 'step': 0.1, 'siPrefix': True, 'suffix': 'C'},
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{'name': 'Test Current', 'type': 'float', 'value': 1, 'step': 0.1, 'siPrefix': True, 'suffix': 'A'},
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{'name': 'Temperature Swing', 'type': 'float', 'value': 1.5, 'step': 0.1, 'siPrefix': True, 'suffix': 'C'},
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{'name': 'Run', 'type': 'action', 'tip': 'Run'},
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]},
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]}
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] for ch in range(2)]
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params = [CommandsParameter.create(name='Thermostat Params 0', type='group', children=ThermostatParams[0]),
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CommandsParameter.create(name='Thermostat Params 1', type='group', children=ThermostatParams[1])]
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def get_argparser():
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parser = argparse.ArgumentParser(description="ARTIQ master")
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parser.add_argument("--connect", default=None, action="store_true",
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help="Automatically connect to the specified Thermostat in IP:port format")
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parser.add_argument('IP', metavar="ip", default=None, nargs='?')
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parser.add_argument('PORT', metavar="port", default=None, nargs='?')
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parser.add_argument("-l", "--log", dest="logLevel", choices=['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'],
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help="Set the logging level")
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return parser
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class ClientWatcher(QObject):
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fan_update = pyqtSignal(dict)
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pwm_update = pyqtSignal(list)
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report_update = pyqtSignal(list)
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pid_update = pyqtSignal(list)
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def __init__(self, parent, client, update_s):
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self.update_s = update_s
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self.client = client
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self.watch_task = None
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super().__init__(parent)
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async def run(self):
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loop = asyncio.get_running_loop()
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while True:
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time = loop.time()
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await self.update_params()
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await asyncio.sleep(self.update_s - (loop.time() - time))
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async def update_params(self):
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self.fan_update.emit(await self.client.fan())
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self.pwm_update.emit(await self.client.get_pwm())
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self.report_update.emit(await self.client._command("report"))
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self.pid_update.emit(await self.client.get_pid())
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def start_watching(self):
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self.watch_task = asyncio.create_task(self.run())
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def is_watching(self):
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return self.watch_task is not None
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@pyqtSlot()
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def stop_watching(self):
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if self.watch_task is not None:
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self.watch_task.cancel()
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self.watch_task = None
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@pyqtSlot(float)
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def set_update_s(self, update_s):
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self.update_s = update_s
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class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
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def __init__(self, args):
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super().__init__()
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self.setupUi(self)
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self._set_up_context_menu()
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self.fan_power_slider.valueChanged.connect(self.fan_set)
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self.fan_auto_box.stateChanged.connect(self.fan_auto_set)
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self._set_param_tree()
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self.fan_pwm_recommended = False
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self.tec_client = Client()
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self.client_watcher = ClientWatcher(self, self.tec_client, self.report_refresh_spin.value())
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self.client_watcher.fan_update.connect(self.fan_update)
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self.report_apply_btn.clicked.connect(
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lambda: self.client_watcher.set_update_s(self.report_refresh_spin.value())
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)
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if args.connect:
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if args.IP:
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self.ip_set_line.setText(args.IP)
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if args.PORT:
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self.port_set_spin.setValue(int(args.PORT))
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self.connect_btn.click()
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def _set_up_context_menu(self):
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self.menu = QtWidgets.QMenu()
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self.menu.setTitle('Thermostat settings')
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port = QtWidgets.QWidgetAction(self.menu)
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port.setDefaultWidget(self.port_set_spin)
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self.menu.addAction(port)
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self.menu.port = port
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fan = QtWidgets.QWidgetAction(self.menu)
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fan.setDefaultWidget(self.fan_group)
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self.menu.addAction(fan)
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self.menu.fan = fan
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self.thermostat_settings.setMenu(self.menu)
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async def _on_connection_changed(self, result):
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self.graph_group.setEnabled(result)
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self.fan_group.setEnabled(result)
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self.report_group.setEnabled(result)
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self.ip_set_line.setEnabled(not result)
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self.port_set_spin.setEnabled(not result)
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self.connect_btn.setText("Disconnect" if result else "Connect")
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if result:
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self.client_watcher.start_watching()
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self._status(await self.tec_client.hw_rev())
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self.fan_update(await self.tec_client.fan())
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else:
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self.status_lbl.setText("Disconnected")
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self.fan_pwm_warning.setPixmap(QtGui.QPixmap())
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self.fan_pwm_warning.setToolTip("")
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self.client_watcher.stop_watching()
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def _set_fan_pwm_warning(self):
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if self.fan_power_slider.value() != 100:
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pixmapi = getattr(QtWidgets.QStyle.StandardPixmap, "SP_MessageBoxWarning")
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icon = self.style().standardIcon(pixmapi)
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self.fan_pwm_warning.setPixmap(icon.pixmap(16, 16))
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self.fan_pwm_warning.setToolTip("Throttling the fan (not recommended on this hardware rev)")
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else:
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self.fan_pwm_warning.setPixmap(QtGui.QPixmap())
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self.fan_pwm_warning.setToolTip("")
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def _status(self, hw_rev_d: dict):
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logging.debug(hw_rev_d)
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self.status_lbl.setText(f"Connected to Thermostat v{hw_rev_d['rev']['major']}.{hw_rev_d['rev']['minor']}")
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self.fan_group.setEnabled(hw_rev_d["settings"]["fan_available"])
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self.fan_pwm_recommended = hw_rev_d["settings"]["fan_pwm_recommended"]
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@pyqtSlot(dict)
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def fan_update(self, fan_settings: dict):
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logging.debug(fan_settings)
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if fan_settings is None:
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return
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with QSignalBlocker(self.fan_power_slider):
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self.fan_power_slider.setValue(fan_settings["fan_pwm"] or 100) # 0 = PWM off = full strength
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with QSignalBlocker(self.fan_auto_box):
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self.fan_auto_box.setChecked(fan_settings["auto_mode"])
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if not self.fan_pwm_recommended:
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self._set_fan_pwm_warning()
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@asyncSlot(int)
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async def fan_set(self, value):
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if not self.tec_client.is_connected():
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return
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if self.fan_auto_box.isChecked():
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with QSignalBlocker(self.fan_auto_box):
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self.fan_auto_box.setChecked(False)
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await self.tec_client.set_param("fan", value)
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if not self.fan_pwm_recommended:
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self._set_fan_pwm_warning()
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@asyncSlot(int)
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async def fan_auto_set(self, enabled):
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if not self.tec_client.is_connected():
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return
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if enabled:
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await self.tec_client.set_param("fan", "auto")
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self.fan_update(await self.tec_client.fan())
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else:
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await self.tec_client.set_param("fan", self.fan_power_slider.value())
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@asyncClose
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async def closeEvent(self, event):
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self.client_watcher.stop_watching()
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await self.tec_client.disconnect()
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@asyncSlot()
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async def on_connect_btn_clicked(self):
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ip, port = self.ip_set_line.text(), self.port_set_spin.value()
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try:
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if not (self.tec_client.is_connecting() or self.tec_client.is_connected()):
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self.status_lbl.setText("Connecting...")
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self.connect_btn.setText("Stop")
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self.ip_set_line.setEnabled(False)
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self.port_set_spin.setEnabled(False)
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connected = await self.tec_client.connect(host=ip, port=port, timeout=30)
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if not connected:
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return
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await self._on_connection_changed(True)
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else:
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await self._on_connection_changed(False)
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await self.tec_client.disconnect()
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except (OSError, TimeoutError) as e:
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logging.error(f"Failed communicating to {ip}:{port}: {e}")
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await self._on_connection_changed(False)
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await self.tec_client.disconnect()
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@asyncSlot(object, object)
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async def send_command(self, param, changes):
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for param, change, data in changes:
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if param.name() == 'Temperature PID' and not data:
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ch = param.opts["payload"]
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await self.tec_client.set_param('pwm', ch, 'i_set', params[ch].child('Constant Current').value())
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elif param.opts.get("commands", None) is not None:
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await asyncio.gather(*[self.tec_client._command(x.format(value=data)) for x in param.opts["commands"]])
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def _set_param_tree(self):
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self.ch0_tree.setParameters(params[0], showTop=False)
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self.ch1_tree.setParameters(params[1], showTop=False)
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params[0].sigTreeStateChanged.connect(self.send_command)
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params[1].sigTreeStateChanged.connect(self.send_command)
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@pyqtSlot(list)
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def update_pid(self, pid_settings):
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for settings in pid_settings:
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channel = settings["channel"]
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with QSignalBlocker(params[channel]) as _:
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params[channel].child("PID Config", "kP").setValue(settings["parameters"]["kp"])
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params[channel].child("PID Config", "kI").setValue(settings["parameters"]["ki"])
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params[channel].child("PID Config", "kD").setValue(settings["parameters"]["kd"])
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if params[channel].child("Temperature PID").value():
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params[channel].child("Temperature PID", "Set Temperature").setValue(settings["target"])
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@pyqtSlot(list)
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def update_report(self, report_data):
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for settings in report_data:
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channel = settings["channel"]
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with QSignalBlocker(params[channel]) as _:
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params[channel].child("Temperature PID").setValue(settings["pid_engaged"])
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async def coro_main():
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args = get_argparser().parse_args()
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if args.logLevel:
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logging.basicConfig(level=getattr(logging, args.logLevel))
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app_quit_event = asyncio.Event()
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app = QtWidgets.QApplication.instance()
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app.aboutToQuit.connect(app_quit_event.set)
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main_window = MainWindow(args)
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main_window.show()
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await app_quit_event.wait()
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def main():
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qasync.run(coro_main())
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if __name__ == '__main__':
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main()
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