from PyQt6 import QtWidgets, QtGui, QtCore
from PyQt6.QtCore import pyqtSignal, QObject, QSignalBlocker, pyqtSlot
import pyqtgraph.parametertree.parameterTypes as pTypes
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, 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
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 MutexParameter(pTypes.ListParameter):
"""
Mutually exclusive parameter where only one of its children is visible at a time, list selectable.
The ordering of the list items determines which children will be visible.
"""
def __init__(self, **opts):
super().__init__(**opts)
self.sigValueChanged.connect(self._show_chosen_child)
self.sigValueChanged.emit(self, self.opts['value'])
def _get_param_from_value(self, value):
if isinstance(self.opts['limits'], dict):
values_list = list(self.opts['limits'].values())
else:
values_list = self.opts['limits']
return self.children()[values_list.index(value)]
@pyqtSlot(object, object)
def _show_chosen_child(self, value):
for param in self.children():
param.hide()
child_to_show = self._get_param_from_value(value.value())
child_to_show.show()
if child_to_show.opts.get('triggerOnShow', None):
child_to_show.sigValueChanged.emit(child_to_show, child_to_show.value())
registerParameterType('mutex', MutexParameter)
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
"""Thermostat parameters that are particular to a channel"""
THERMOSTAT_PARAMETERS = [[
{'name': 'Temperature', 'type': 'float', 'siPrefix': True, 'suffix': '°C', 'readonly': True},
{'name': 'Current through TEC', 'type': 'float', 'siPrefix': True, 'suffix': 'A', 'readonly': True},
{'name': 'Output Config', 'expanded': True, 'type': 'group', 'children': [
{'name': 'Control Method', 'type': 'mutex', 'limits': {'Current Setpoint': False, 'Temperature PID': True},
'commands': [f'pwm {ch} pid'], 'children': [
{'name': 'Constant Current', 'type': 'float', 'value': 0, 'step': 0.1, 'limits': (-3, 3), 'siPrefix': True, 'triggerOnShow': True,
'suffix': 'A', 'param': [('pwm', ch, 'i_set')]},
{'name': 'Set Temperature', 'type': 'float', 'value': 25, 'step': 0.1, 'limits': (-273, 300), 'siPrefix': True,
'suffix': '°C', 'param': [('pid', ch, 'target')]},
]},
{'name': 'Limits', 'expanded': False, 'type': 'group', 'children': [
{'name': 'Max Absolute 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 Absolute Voltage', 'type': 'float', 'value': 0, 'step': 0.1, 'limits': (0, 5), 'siPrefix': True,
'suffix': 'V', 'param': [('pwm', ch, 'max_v')]},
]}
]},
{'name': 'Thermistor Config', 'expanded': False, 'type': 'group', 'children': [
{'name': 'T₀', 'type': 'float', 'value': 25, 'step': 0.1, 'limits': (-100, 100), 'siPrefix': True,
'suffix': '°C', 'param': [('s-h', ch, 't0')]},
{'name': 'R₀', 'type': 'float', 'value': 10000, 'step': 1, 'siPrefix': True, 'suffix': 'Ω',
'param': [('s-h', ch, 'r0')]},
{'name': 'B', 'type': 'float', 'value': 3950, 'step': 1, 'suffix': 'K', 'param': [('s-h', ch, 'b')]},
]},
{'name': 'Postfilter Config', 'expanded': False, 'type': 'group', 'children': [
{'name': 'Rate', 'type': 'float', 'value': 16.67, 'step': 0.01, 'suffix': 'Hz',
'param': [('postfilter', ch, 'rate')]},
]},
{'name': 'PID Config', 'expanded': False, 'type': 'group', 'children': [
{'name': 'Kp', 'type': 'float', 'value': 0, 'step': 0.1, 'suffix': '°C/A', 'param': [('pid', ch, 'kp')]},
{'name': 'Ki', 'type': 'float', 'value': 0, 'step': 0.1, 'suffix': '°C/C', 'param': [('pid', ch, 'ki')]},
{'name': 'Kd', 'type': 'float', 'value': 0, 'step': 0.1, 'suffix': '°Cs²/C', 'param': [('pid', ch, 'kd')]},
{'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 __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 = [
Parameter.create(name=f"Thermostat Channel {ch} Parameters", type='group', value=ch, children=self.THERMOSTAT_PARAMETERS[ch])
for ch in range(2)
]
self._set_param_tree()
self.ch0_t_plot = LiveLinePlot()
self.ch0_i_plot = LiveLinePlot(name='Feedback')
self.ch0_iset_plot = LiveLinePlot(name='Setpoint', pen=pg.mkPen('r'))
self.ch1_t_plot = LiveLinePlot()
self.ch1_i_plot = LiveLinePlot(name='Feedback')
self.ch1_iset_plot = LiveLinePlot(name='Setpoint', 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()
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()
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)
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)
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)
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})
graph.addLegend(brush=(50, 50, 200, 150))
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:
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 change == 'value':
if inner_param.opts.get("commands", None) is not None:
if inner_param.name() == 'Control Method' and not data:
return
await asyncio.gather(*[self.client._command(x.format(value=data)) for x in inner_param.opts["commands"]])
elif inner_param.opts.get("param", None) is not None:
await asyncio.gather(*[self.client.set_param(*x, data) for x in inner_param.opts["param"]])
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"])
self.params[channel].child("Output Config", "Control Method", "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("Output Config", "Control Method").setValue(settings["pid_engaged"])
getattr(self, f'ch{channel}_t_line').setVisible(settings["pid_engaged"])
self.params[channel].child("Output Config", "Control Method", "Constant Current").setValue(settings["i_set"])
if settings['temperature'] is not None and settings['tec_i'] is not None:
self.params[channel].child("Temperature").setValue(settings['temperature'])
self.params[channel].child("Current through TEC").setValue(settings['tec_i'])
@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", "B").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", "Limits", "Max Absolute Voltage").setValue(pwm_params["max_v"]["value"])
self.params[channel].child("Output Config", "Limits", "Max Absolute 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()