Finish GUI

flake.nix

@@ -68,13 +68,37 @@
         propagatedBuildInputs = [ pkgs.python3Packages.pyqt6 ];
       };
 
+      pyqtgraph = pkgs.python3Packages.buildPythonPackage rec {
+        pname = "pyqtgraph";
+        version = "0.13.3";
+        format = "pyproject";
+        src = pkgs.fetchPypi {
+          inherit pname version;
+          sha256 = "sha256-WBCNhBHHBU4IQdi3ke6F4QH8KWubNZwOAd3jipj/Ks4=";
+        };
+        propagatedBuildInputs = with pkgs.python3Packages; [ numpy pyqt6 ];
+      };
+
+      pglive = pkgs.python3Packages.buildPythonPackage rec {
+        pname = "pglive";
+        version = "0.7.2";
+        format = "pyproject";
+        src = pkgs.fetchPypi {
+          inherit pname version;
+          sha256 = "sha256-jqj8X6H1N5mJQ4OrY5ANqRB0YJByqg/bNneEALWmH1A=";
+        };
+        buildInputs = [ pkgs.python3Packages.poetry-core ];
+        propagatedBuildInputs = [ pyqtgraph pkgs.python3Packages.numpy ];
+      };
+
       thermostat_gui = pkgs.python3Packages.buildPythonPackage {
         pname = "thermostat_gui";
         version = "0.0.0";
+        format = "pyproject";
         src = "${self}/pytec";
 
         nativeBuildInputs = [ pkgs.qt6.wrapQtAppsHook ];
-        propagatedBuildInputs = [ pkgs.qt6.qtbase ] ++ (with pkgs.python3Packages; [ pyqtgraph pyqt6 qasync ]);
+        propagatedBuildInputs = [ pkgs.qt6.qtbase ] ++ (with pkgs.python3Packages; [ pyqtgraph pyqt6 qasync pglive ]);
 
         dontWrapQtApps = true;
         postFixup = ''
@@ -100,7 +124,7 @@
         buildInputs = with pkgs; [
           rust openocd dfu-util
           ] ++ (with python3Packages; [
-            numpy matplotlib pyqtgraph setuptools pyqt6 qasync
+            numpy matplotlib pyqtgraph setuptools pyqt6 qasync pglive
           ]);
       };
       defaultPackage.x86_64-linux = thermostat;

pytec/aioexample.py

@@ -3,7 +3,7 @@ from pytec.aioclient import Client
 
 async def main():
     tec = Client()
-    await tec.connect() #(host="192.168.1.26", port=23)
+    await tec.start_session() #(host="192.168.1.26", port=23)
     await tec.set_param("s-h", 1, "t0", 20)
     print(await tec.get_pwm())
     print(await tec.get_pid())

pytec/autotune.py

@@ -222,20 +222,20 @@ class PIDAutotune:
             # calculate ultimate gain
             self._Ku = 4.0 * self._outputstep / \
                 (self._induced_amplitude * math.pi)
-            print('Ku: {0}'.format(self._Ku))
+            logging.debug('Ku: {0}'.format(self._Ku))
 
             # calculate ultimate period in seconds
             period1 = self._peak_timestamps[3] - self._peak_timestamps[1]
             period2 = self._peak_timestamps[4] - self._peak_timestamps[2]
             self._Pu = 0.5 * (period1 + period2) / 1000.0
-            print('Pu: {0}'.format(self._Pu))
+            logging.debug('Pu: {0}'.format(self._Pu))
 
             for rule in self._tuning_rules:
                 params = self.get_pid_parameters(rule)
-                print('rule: {0}'.format(rule))
+                logging.debug('rule: {0}'.format(rule))
-                print('Kp: {0}'.format(params.Kp))
+                logging.debug('Kp: {0}'.format(params.Kp))
-                print('Ki: {0}'.format(params.Ki))
+                logging.debug('Ki: {0}'.format(params.Ki))
-                print('Kd: {0}'.format(params.Kd))
+                logging.debug('Kd: {0}'.format(params.Kd))
 
             return True
         return False

pytec/pyproject.toml

@@ -0,0 +1,18 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "pytec"
+version = "0.0"
+authors = [{name = "M-Labs"}]
+description = "Control TEC"
+urls.Repository = "https://git.m-labs.hk/M-Labs/thermostat"
+license = {text = "GPLv3"}
+
+[project.gui-scripts]
+tec_qt = "tec_qt:main"
+
+[tool.setuptools]
+packages.find = {}
+py-modules = ["aioexample", "autotune", "example", "plot", "tec_qt", "ui_tec_qt", "waitingspinnerwidget"]

pytec/pytec/aioclient.py

@@ -5,44 +5,53 @@ import logging
 class CommandError(Exception):
     pass
 
+class StoppedConnecting(Exception):
+    pass
+
 class Client:
     def __init__(self):
         self._reader = None
         self._writer = None
         self._connecting_task = None
         self._command_lock = asyncio.Lock()
+        self._report_mode_on = False
+        self.timeout = None
 
-    async def connect(self, host='192.168.1.26', port=23, timeout=None):
+    async def start_session(self, host='192.168.1.26', port=23, timeout=None):
-        """Connect to the TEC with host and port, throws TimeoutError if
+        """Start session to Thermostat at specified host and port.
-        unable to connect. Returns True if not cancelled with disconnect.
+        Throws StoppedConnecting if disconnect was called while connecting.
+        Throws asyncio.TimeoutError if timeout was exceeded.
 
         Example::
-            client = aioclient.Client()
+            client = Client()
-            connected = await client.connect()
+            try:
-            if connected:
+                await client.start_session()
-                return
+            except StoppedConnecting:
+                print("Stopped connecting")
         """
-        self._connecting_task = asyncio.create_task(asyncio.open_connection(host, port))
+        self._connecting_task = asyncio.create_task(
+            asyncio.wait_for(asyncio.open_connection(host, port), timeout)
+        )
+        self.timeout = timeout
         try:
             self._reader, self._writer = await self._connecting_task
         except asyncio.CancelledError:
-            return False
+            raise StoppedConnecting
         finally:
             self._connecting_task = None
 
         await self._check_zero_limits()
-        return True
 
-    def is_connecting(self):
+    def connecting(self):
         """Returns True if client is connecting"""
         return self._connecting_task is not None
 
-    def is_connected(self):
+    def connected(self):
         """Returns True if client is connected"""
         return self._writer is not None
 
-    async def disconnect(self):
+    async def end_session(self):
-        """Disconnect the client if connected, cancel connection if connecting"""
+        """End session to Thermostat if connected, cancel connection if connecting"""
         if self._connecting_task is not None:
             self._connecting_task.cancel()
 
@@ -64,15 +73,19 @@ class Client:
 
     async def _read_line(self):
         # read 1 line
-        chunk = await self._reader.readline()
+        chunk = await asyncio.wait_for(self._reader.readline(), self.timeout) # Only wait for response until timeout
         return chunk.decode('utf-8', errors='ignore')
 
-    async def _command(self, *command):
+    async def _read_write(self, command):
-        async with self._command_lock:
         self._writer.write(((" ".join(command)).strip() + "\n").encode('utf-8'))
         await self._writer.drain()
 
-            line = await self._read_line()
+        return await self._read_line()
+
+    async def _command(self, *command):
+        async with self._command_lock:
+            # protect the read-write process from being cancelled midway
+            line = await asyncio.shield(self._read_write(command))
 
         response = json.loads(line)
         logging.debug(f"{command}: {response}")
@@ -147,6 +160,14 @@ class Client:
         """
         return await self._get_conf("postfilter")
 
+    async def get_fan(self):
+        """Get Thermostat current fan settings"""
+        return await self._command("fan")
+
+    async def report(self):
+        """Obtain one-time report on measurement values"""
+        return await self._command("report")
+
     async def report_mode(self):
         """Start reporting measurement values
 
@@ -167,8 +188,10 @@ class Client:
              'pid_output': 2.067581958092247}
         """
         await self._command("report mode", "on")
+        self._report_mode_on = True
 
-        while True:
+        while self._report_mode_on:
+            async with self._command_lock:
                 line = await self._read_line()
             if not line:
                 break
@@ -177,6 +200,11 @@ class Client:
             except json.decoder.JSONDecodeError:
                 pass
 
+        await self._command("report mode", "off")
+
+    def stop_report_mode(self):
+        self._report_mode_on = False
+
     async def set_param(self, topic, channel, field="", value=""):
         """Set configuration parameters
 
@@ -195,23 +223,57 @@ class Client:
             value = str(value)
         await self._command(topic, str(channel), field, value)
 
+    async def set_fan(self, power="auto"):
+        """Set fan power"""
+        await self._command("fan", str(power))
+
+    async def set_fcurve(self, a=1.0, b=0.0, c=0.0):
+        """Set fan curve"""
+        await self._command("fcurve", str(a), str(b), str(c))
+
     async def power_up(self, channel, target):
         """Start closed-loop mode"""
         await self.set_param("pid", channel, "target", value=target)
         await self.set_param("pwm", channel, "pid")
 
-    async def save_config(self):
+    async def save_config(self, channel=""):
         """Save current configuration to EEPROM"""
-        await self._command("save")
+        await self._command("save", str(channel))
 
-    async def load_config(self):
+    async def load_config(self, channel=""):
         """Load current configuration from EEPROM"""
-        await self._command("load")
+        await self._command("load", str(channel))
+        if channel == "":
+            await self._read_line() # Read the extra {}
 
     async def hw_rev(self):
         """Get Thermostat hardware revision"""
         return await self._command("hwrev")
 
-    async def fan(self):
+    async def reset(self):
-        """Get Thermostat current fan settings"""
+        """Reset the Thermostat
-        return await self._command("fan")
+        
+        The client is disconnected as the TCP session is terminated.
+        """
+        async with self._command_lock:
+            self._writer.write("reset\n".encode('utf-8'))
+            await self._writer.drain()
+
+        await self.end_session()
+
+    async def dfu(self):
+        """Put the Thermostat in DFU update mode
+        
+        The client is disconnected as the Thermostat stops responding to
+        TCP commands in DFU update mode. The only way to exit it is by
+        power-cycling.
+        """
+        async with self._command_lock:
+            self._writer.write("dfu\n".encode('utf-8'))
+            await self._writer.drain()
+
+        await self.end_session()
+
+    async def ipv4(self):
+        """Get the IPv4 settings of the Thermostat"""
+        return await self._command('ipv4')

pytec/setup.py

@@ -14,5 +14,5 @@ setup(
             "tec_qt = tec_qt:main",
         ]
     },
-    py_modules=['tec_qt', 'ui_tec_qt'],
+    py_modules=['tec_qt', 'ui_tec_qt', 'autotune', 'waitingspinnerwidget'],
 )

pytec/tec_qt.py

@@ -1,65 +1,28 @@
-from PyQt6 import QtWidgets, QtGui
+from PyQt6 import QtWidgets, QtGui, QtCore
 from PyQt6.QtCore import pyqtSignal, QObject, QSignalBlocker, pyqtSlot
-from pyqtgraph import PlotWidget
+import pyqtgraph.parametertree.parameterTypes as pTypes
 from pyqtgraph.parametertree import Parameter, ParameterTree, ParameterItem, registerParameterType
 import pyqtgraph as pg
+pg.setConfigOptions(antialias=True)
+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
+from pytec.aioclient import Client, StoppedConnecting
 import qasync
 from qasync import asyncSlot, asyncClose
+from autotune import PIDAutotune, PIDAutotuneState
 
 # pyuic6 -x tec_qt.ui  -o ui_tec_qt.py
 from ui_tec_qt import Ui_MainWindow
 
-
+"""Number of channels provided by the Thermostat"""
-class CommandsParameter(Parameter):
+NUM_CHANNELS: int = 2
-    def __init__(self, **opts):
-        super().__init__()
-        self.opts["commands"] = opts.get("commands", None)
-        self.opts["payload"] = opts.get("payload", None)
-
-
-ThermostatParams = [[
-    {'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': 'Ohm',
-         'commands': [f's-h {ch} r0 {{value}}']},
-        {'name': 'Beta', 'type': 'float', 'value': 3950, 'step': 1, 'commands': [f's-h {ch} b {{value}}']},
-    ]},
-    {'name': 'PID Config', 'expanded': False, 'type': 'group', 'children': [
-        {'name': 'kP', 'type': 'float', 'value': 0, 'step': 0.1, 'commands': [f'pid {ch} kp {{value}}']},
-        {'name': 'kI', 'type': 'float', 'value': 0, 'step': 0.1, 'commands': [f'pid {ch} ki {{value}}']},
-        {'name': 'kD', 'type': 'float', 'value': 0, 'step': 0.1, '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, 'suffix': 'C'},
-            {'name': 'Run', 'type': 'action', 'tip': 'Run'},
-        ]},
-    ]}
-] for ch in range(2)]
-
-params = [CommandsParameter.create(name='Thermostat Params 0', type='group', children=ThermostatParams[0]),
-          CommandsParameter.create(name='Thermostat Params 1', type='group', children=ThermostatParams[1])]
-
 
 def get_argparser():
     parser = argparse.ArgumentParser(description="ARTIQ master")
@@ -74,16 +37,66 @@ def get_argparser():
     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()
+
+    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()
+
+
 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._update_s = update_s
-        self.client = client
+        self._client = client
-        self.watch_task = None
+        self._watch_task = None
+        self._report_mode_task = None
+        self._poll_for_report = True
         super().__init__(parent)
 
     async def run(self):
@@ -91,93 +104,517 @@ class ClientWatcher(QObject):
         while True:
             time = loop.time()
             await self.update_params()
-            await asyncio.sleep(self.update_s - (loop.time() - time))
+            await asyncio.sleep(self._update_s - (loop.time() - time))
 
     async def update_params(self):
-        self.fan_update.emit(await self.client.fan())
+        self.fan_update.emit(await self._client.get_fan())
-        self.pwm_update.emit(await self.client.get_pwm())
+        self.pwm_update.emit(await self._client.get_pwm())
-        self.report_update.emit(await self.client._command("report"))
+        if self._poll_for_report:
-        self.pid_update.emit(await self.client.get_pid())
+            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())
+        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:
+        if self._watch_task is not None:
-            self.watch_task.cancel()
+            self._watch_task.cancel()
-            self.watch_task = None
+            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
+        self._update_s = update_s
+
+
+class ChannelGraphs:
+    """Manager of a channel's two graphs and their elements."""
+
+    """The maximum number of sample points to store."""
+    DEFAULT_MAX_SAMPLES = 1000
+
+    def __init__(self, t_widget, i_widget):
+        self._t_widget = t_widget
+        self._i_widget = i_widget
+
+        self._t_plot = LiveLinePlot()
+        self._i_plot = LiveLinePlot(name="Measured")
+        self._iset_plot = LiveLinePlot(name="Set", pen=pg.mkPen('r'))
+
+        self._t_line = self._t_widget.getPlotItem().addLine(label='{value} °C')
+        self._t_line.setVisible(False)
+        self._t_setpoint_plot = LiveLinePlot() # Hack for keeping setpoint line in plot range
+
+        for graph in t_widget, i_widget:
+            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
+
+        temperature_axis = LiveAxis('left', text="Temperature", units="°C")
+        temperature_axis.showLabel()
+        t_widget.setAxisItems({'left': temperature_axis})
+
+        current_axis = LiveAxis('left', text="Current", units="A")
+        current_axis.showLabel()
+        i_widget.setAxisItems({'left': current_axis})
+        i_widget.addLegend(brush=(50, 50, 200, 150))
+
+        t_widget.addItem(self._t_plot)
+        t_widget.addItem(self._t_setpoint_plot)
+        i_widget.addItem(self._i_plot)
+        i_widget.addItem(self._iset_plot)
+
+        self.t_connector = DataConnector(self._t_plot, max_points=self.DEFAULT_MAX_SAMPLES)
+        self.t_setpoint_connector = DataConnector(self._t_setpoint_plot, max_points=1)
+        self.i_connector = DataConnector(self._i_plot, max_points=self.DEFAULT_MAX_SAMPLES)
+        self.iset_connector = DataConnector(self._iset_plot, max_points=self.DEFAULT_MAX_SAMPLES)
+
+        self.max_samples = self.DEFAULT_MAX_SAMPLES
+
+    def plot_append(self, report):
+        temperature = report['temperature']
+        current = report['tec_i']
+        iset = report['i_set']
+        time = report['time']
+
+        if temperature is not None:
+            self.t_connector.cb_append_data_point(temperature, time)
+            if self._t_line.isVisible():
+                self.t_setpoint_connector.cb_append_data_point(self._t_line.value(), time)
+            else:
+                self.t_setpoint_connector.cb_append_data_point(temperature, time)
+            if current is not None:
+                self.i_connector.cb_append_data_point(current, time)
+            self.iset_connector.cb_append_data_point(iset, time)
+
+    def clear(self):
+        for connector in self.t_connector, self.i_connector, self.iset_connector:
+            connector.clear()
+
+    def set_t_line(self, temp=None, visible=None):
+        if visible is not None:
+            self._t_line.setVisible(visible)
+        if temp is not None:
+            self._t_line.setValue(temp)
+
+            # PyQtGraph normally does not update this text when the line
+            # is not visible, so make sure that the temperature label 
+            # gets updated always, and doesn't stay at an old value.
+            self._t_line.label.setText(f"{temp} °C")
 
 
 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', 'format': '{value:.4f} °C', 'readonly': True},
+        {'name': 'Current through TEC', 'type': 'float', 'suffix': 'mA', 'decimals': 6, 'readonly': True},
+        {'name': 'Output Config', 'expanded': True, 'type': 'group', 'children': [
+            {'name': 'Control Method', 'type': 'mutex', 'limits': ['Constant Current', 'Temperature PID'],
+            'activaters': [None, ('pwm', ch, 'pid')], 'children': [
+                {'name': 'Set Current', 'type': 'float', 'value': 0, 'step': 100, 'limits': (-3000, 3000), 'triggerOnShow': True,
+                'decimals': 6, 'suffix': 'mA', 'param': ('pwm', ch, 'i_set')},
+                {'name': 'Set Temperature', 'type': 'float', 'value': 25, 'step': 0.1, 'limits': (-273, 300),
+                'format': '{value:.4f} °C', 'param': ('pid', ch, 'target')},
+            ]},
+            {'name': 'Limits', 'expanded': False, 'type': 'group', 'children': [
+                {'name': 'Max Cooling Current', 'type': 'float', 'value': 0, 'step': 100, 'decimals': 6, 'limits': (0, 3000),
+                'suffix': 'mA', 'param': ('pwm', ch, 'max_i_pos')},
+                {'name': 'Max Heating Current', 'type': 'float', 'value': 0, 'step': 100, 'decimals': 6, 'limits': (0, 3000),
+                'suffix': 'mA', 'param': ('pwm', ch, 'max_i_neg')},
+                {'name': 'Max Voltage Difference', '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),
+            'format': '{value:.4f} °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', 'decimals': 4, 'param': ('s-h', ch, 'b')},
+            {'name': 'Postfilter Rate', 'type': 'list', 'value': 16.67, 'param': ('postfilter', ch, 'rate'),
+            'limits': {'Off': None, '16.67 Hz': 16.67, '20 Hz': 20.0, '21.25 Hz': 21.25, '27 Hz': 27.0}},
+        ]},
+        {'name': 'PID Config', 'expanded': False, 'type': 'group', 'children': [
+            {'name': 'Kp', 'type': 'float', 'step': 0.1, 'suffix': '', 'param': ('pid', ch, 'kp')},
+            {'name': 'Ki', 'type': 'float', 'step': 0.1, 'suffix': 'Hz', 'param': ('pid', ch, 'ki')},
+            {'name': 'Kd', 'type': 'float', 'step': 0.1, 'suffix': 's', 'param': ('pid', ch, 'kd')},
+            {'name': "PID Output Clamping", 'expanded': True, 'type': 'group', 'children': [
+                {'name': 'Minimum', 'type': 'float', 'step': 100, 'limits': (-3000, 3000), 'decimals': 6, 'suffix': 'mA', 'param': ('pid', ch, 'output_min')},
+                {'name': 'Maximum', 'type': 'float', 'step': 100, 'limits': (-3000, 3000), 'decimals': 6, 'suffix': 'mA', 'param': ('pid', ch, 'output_max')},
+            ]},
+            {'name': 'PID Auto Tune', 'expanded': False, 'type': 'group', 'children': [
+                {'name': 'Target Temperature', 'type': 'float', 'value': 20, 'step': 0.1, 'format': '{value:.4f} °C'},
+                {'name': 'Test Current', 'type': 'float', 'value': 1000, 'decimals': 6, 'step': 100, 'limits': (-3000, 3000), 'suffix': 'mA'},
+                {'name': 'Temperature Swing', 'type': 'float', 'value': 1.5, 'step': 0.1, 'prefix': '±', 'format': '{value:.4f} °C'},
+                {'name': 'Run', 'type': 'action', 'tip': 'Run'},
+            ]},
+        ]},
+        {'name': 'Save to flash', 'type': 'action', 'tip': 'Save config to thermostat, applies on reset'},
+        {'name': 'Load from flash', 'type': 'action', 'tip': 'Load config from flash'}
+    ] for ch in range(NUM_CHANNELS)]
+
     def __init__(self, args):
         super().__init__()
 
         self.setupUi(self)
 
-        self._set_up_context_menu()
+        self.ch0_t_graph.setTitle("Channel 0 Temperature")
+        self.ch0_i_graph.setTitle("Channel 0 Current")
+        self.ch1_t_graph.setTitle("Channel 1 Temperature")
+        self.ch1_i_graph.setTitle("Channel 1 Current")
 
-        self.fan_power_slider.valueChanged.connect(self.fan_set)
+        self.max_samples = self.DEFAULT_MAX_SAMPLES
-        self.fan_auto_box.stateChanged.connect(self.fan_auto_set)
 
-        self._set_param_tree()
+        self._set_up_connection_menu()
+        self._set_up_thermostat_menu()
+        self._set_up_plot_menu()
 
-        self.fan_pwm_recommended = False
+        self.client = WrappedClient(self)
-
+        self.client.connection_error.connect(self.bail)
-        self.tec_client = Client()
+        self.client_watcher = ClientWatcher(self, self.client, self.report_refresh_spin.value())
-        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.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())
         )
 
+        self.params = [
+            Parameter.create(name=f"Thermostat Channel {ch} Parameters", type='group', value=ch, children=self.THERMOSTAT_PARAMETERS[ch])
+            for ch in range(NUM_CHANNELS)
+        ]
+        self._set_param_tree()
+
+        self.channel_graphs = [
+            ChannelGraphs(getattr(self, f'ch{ch}_t_graph'), getattr(self, f'ch{ch}_i_graph'))
+            for ch in range(NUM_CHANNELS)
+        ]
+
+        self.autotuners = [
+            PIDAutotune(25)
+            for _ in range(NUM_CHANNELS)
+        ]
+
+        self.loading_spinner.hide()
+
+        self.hw_rev_data = None
+
         if args.connect:
             if args.IP:
-                self.ip_set_line.setText(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_context_menu(self):
+    def _set_up_connection_menu(self):
-        self.menu = QtWidgets.QMenu()
+        self.connection_menu = QtWidgets.QMenu()
-        self.menu.setTitle('Thermostat settings')
+        self.connection_menu.setTitle('Connection Settings')
 
-        port = QtWidgets.QWidgetAction(self.menu)
+        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)
+
+        def connect_on_enter_press():
+            self.connect_btn.click()
+            self.connection_menu.hide()
+        self.host_set_line.returnPressed.connect(connect_on_enter_press)
+
+        self.host_set_line.setText("192.168.1.26")
+        self.host_set_line.setPlaceholderText("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)
+
+        def connect_only_if_enter_pressed():
+            if not self.port_set_spin.hasFocus(): # Don't connect if the spinbox only lost focus
+                return;
+            connect_on_enter_press()
+        self.port_set_spin.editingFinished.connect(connect_only_if_enter_pressed)
+
+        port = QtWidgets.QWidgetAction(self.connection_menu)
         port.setDefaultWidget(self.port_set_spin)
-        self.menu.addAction(port)
+        self.connection_menu.addAction(port)
-        self.menu.port = port
+        self.connection_menu.port = port
 
-        fan = QtWidgets.QWidgetAction(self.menu)
+        self.exit_button = QtWidgets.QPushButton()
+        self.exit_button.setText("Exit GUI")
+        self.exit_button.pressed.connect(QtWidgets.QApplication.instance().quit)
+
+        exit_action = QtWidgets.QWidgetAction(self.exit_button)
+        exit_action.setDefaultWidget(self.exit_button)
+        self.connection_menu.addAction(exit_action)
+        self.connection_menu.exit_action = exit_action
+
+        self.connect_btn.setMenu(self.connection_menu)
+
+    def _set_up_thermostat_menu(self):
+        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("Adjust the fan")
+        self.fan_lbl.setText("Fan:")
+        self.fan_auto_box.setText("Auto")
+
+        fan = QtWidgets.QWidgetAction(self.thermostat_menu)
         fan.setDefaultWidget(self.fan_group)
-        self.menu.addAction(fan)
+        self.thermostat_menu.addAction(fan)
-        self.menu.fan = fan
+        self.thermostat_menu.fan = fan
 
-        self.thermostat_settings.setMenu(self.menu)
+        @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("Network Settings")
+            ask_network.setLabelText("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("Set network?")
+                sure.setText(f"Setting this as network and disconnecting:<br>{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()
+            loaded = QtWidgets.QMessageBox(self)
+            loaded.setWindowTitle("Config loaded")
+            loaded.setText(f"All channel configs have been loaded from flash.")
+            loaded.setIcon(QtWidgets.QMessageBox.Icon.Information)
+            loaded.show()
+
+        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()
+            saved = QtWidgets.QMessageBox(self)
+            saved.setWindowTitle("Config saved")
+            saved.setText(f"All channel configs have been saved to flash.")
+            saved.setIcon(QtWidgets.QMessageBox.Icon.Information)
+            saved.show()
+
+        self.actionSave_all_configs.triggered.connect(save)
+        self.thermostat_menu.addAction(self.actionSave_all_configs)
+
+        def about_thermostat():
+            QtWidgets.QMessageBox.about(
+                self,
+                "About Thermostat",
+                f"""
+                <h1>Sinara 8451 Thermostat v{self.hw_rev_data['rev']['major']}.{self.hw_rev_data['rev']['minor']}</h1>
+
+                <br>
+
+                <h2>Settings:</h2>
+                Default fan curve:
+                    a = {self.hw_rev_data['settings']['fan_k_a']},
+                    b = {self.hw_rev_data['settings']['fan_k_b']},
+                    c = {self.hw_rev_data['settings']['fan_k_c']}
+                <br>
+                Fan PWM range: 
+                    {self.hw_rev_data['settings']['min_fan_pwm']} \u2013 {self.hw_rev_data['settings']['max_fan_pwm']}
+                <br>
+                Fan PWM frequency: {self.hw_rev_data['settings']['fan_pwm_freq_hz']} Hz
+                <br>
+                Fan available: {self.hw_rev_data['settings']['fan_available']}
+                <br>
+                Fan PWM recommended: {self.hw_rev_data['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):
+        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(list)
+    def set_limits_warning(self, channels_zeroed_limits: list):
+        channel_disabled = [False, False]
+
+        report_str = "The following output limit(s) are set to zero:\n"
+        for ch, zeroed_limits in enumerate(channels_zeroed_limits):
+            if {'max_i_pos', 'max_i_neg'}.issubset(zeroed_limits):
+                report_str += "Max Cooling Current, Max Heating Current"
+                channel_disabled[ch] = True
+
+            if 'max_v' in zeroed_limits:
+                if channel_disabled[ch]:
+                    report_str += ", "
+                report_str += "Max Voltage Difference"
+                channel_disabled[ch] = True
+
+            if channel_disabled[ch]:
+                report_str += f" for Channel {ch}\n"
+
+        report_str += "\nThese limit(s) are restricting the channel(s) from producing current."
+
+        if True in channel_disabled:
+            pixmapi = getattr(QtWidgets.QStyle.StandardPixmap, "SP_MessageBoxWarning")
+            icon = self.style().standardIcon(pixmapi)
+            self.limits_warning.setPixmap(icon.pixmap(16, 16))
+            self.limits_warning.setToolTip(report_str)
+        else:
+            self.limits_warning.setPixmap(QtGui.QPixmap())
+            self.limits_warning.setToolTip(None)
+
+    @pyqtSlot(int)
+    def set_max_samples(self, samples: int):
+        for channel_graph in self.channel_graphs:
+            channel_graph.t_connector.max_points = samples
+            channel_graph.i_connector.max_points = samples
+            channel_graph.iset_connector.max_points = samples
+
+    def clear_graphs(self):
+        for channel_graph in self.channel_graphs:
+            channel_graph.clear()
 
     async def _on_connection_changed(self, result):
         self.graph_group.setEnabled(result)
-        self.fan_group.setEnabled(result)
         self.report_group.setEnabled(result)
+        self.thermostat_settings.setEnabled(result)
 
-        self.ip_set_line.setEnabled(not 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()
-            self._status(await self.tec_client.hw_rev())
+            # await self.client.set_param("fan", 1)
-            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.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:
@@ -193,7 +630,6 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
         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):
@@ -204,90 +640,243 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
             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:
+        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.tec_client.is_connected():
+        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.tec_client.set_param("fan", value)
+        await self.client.set_fan(value)
-        if not self.fan_pwm_recommended:
+        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.tec_client.is_connected():
+        if not self.client.connected():
             return
         if enabled:
-            await self.tec_client.set_param("fan", "auto")
+            await self.client.set_fan("auto")
-            self.fan_update(await self.tec_client.fan())
+            self.fan_update(await self.client.get_fan())
         else:
-            await self.tec_client.set_param("fan", self.fan_power_slider.value())
+            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):
-        self.client_watcher.stop_watching()
+        await self.bail()
-        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()
+        host, port = self.host_set_line.text(), self.port_set_spin.value()
         try:
-            if not (self.tec_client.is_connecting() or self.tec_client.is_connected()):
+            if not (self.client.connecting() or self.client.connected()):
                 self.status_lbl.setText("Connecting...")
                 self.connect_btn.setText("Stop")
-                self.ip_set_line.setEnabled(False)
+                self.host_set_line.setEnabled(False)
                 self.port_set_spin.setEnabled(False)
 
-                connected = await self.tec_client.connect(host=ip, port=port, timeout=30)
+                try:
-                if not connected:
+                    await self.client.start_session(host=host, port=port, timeout=30)
+                except StoppedConnecting:
                     return
                 await self._on_connection_changed(True)
             else:
-                await self._on_connection_changed(False)
+                await self.bail()
-                await self.tec_client.disconnect()
 
-        except (OSError, TimeoutError) as e:
+        except (OSError, TimeoutError, asyncio.TimeoutError) as e: # TODO: Remove asyncio.TimeoutError in Python 3.11
-            logging.error(f"Failed communicating to {ip}:{port}: {e}")
+            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.tec_client.disconnect()
+        await self.client.end_session()
 
     @asyncSlot(object, object)
     async def send_command(self, param, changes):
-        for param, change, data in changes:
+        """Translates parameter tree changes into thermostat set_param calls"""
-            if param.name() == 'Temperature PID' and not data:
+
-                ch = param.opts["payload"]
+        for inner_param, change, data in changes:
-                await self.tec_client.set_param('pwm', ch, 'i_set', params[ch].child('Constant Current').value())
+            if change == 'value':
-            elif param.opts.get("commands", None) is not None:
+                if inner_param.opts.get("param", None) is not None:
-                await asyncio.gather(*[self.tec_client._command(x.format(value=data)) for x in param.opts["commands"]])
+                    if 'Current' in inner_param.name():
+                        data /= 1000 # Given in mA
+
+                    thermostat_param = inner_param.opts["param"]
+                    if inner_param.name() == 'Postfilter Rate' and data == None:
+                        set_param_args = (*thermostat_param[:2], 'off')
+                    else:
+                        set_param_args = (*thermostat_param, data)
+                    await self.client.set_param(*set_param_args)
+                if inner_param.opts.get('activaters', None) is not None:
+                    activater = inner_param.opts['activaters'][inner_param.opts['limits'].index(data)]
+                    if activater is not None:
+                        await self.client.set_param(*activater)
+
 
     def _set_param_tree(self):
-        self.ch0_tree.setParameters(params[0], showTop=False)
+        for i, tree in enumerate((self.ch0_tree, self.ch1_tree)):
-        self.ch1_tree.setParameters(params[1], showTop=False)
+            tree.setHeaderHidden(True)
-        params[0].sigTreeStateChanged.connect(self.send_command)
+            tree.setParameters(self.params[i], showTop=False)
-        params[1].sigTreeStateChanged.connect(self.send_command)
+            self.params[i].sigTreeStateChanged.connect(self.send_command)
+
+            @asyncSlot()
+            async def save(_, ch=i):
+                await self.client.save_config(ch)
+                saved = QtWidgets.QMessageBox(self)
+                saved.setWindowTitle("Config saved")
+                saved.setText(f"Channel {ch} Config has been saved to flash.")
+                saved.setIcon(QtWidgets.QMessageBox.Icon.Information)
+                saved.show()
+
+            self.params[i].child('Save to flash').sigActivated.connect(save)
+
+            @asyncSlot()
+            async def load(_, ch=i):
+                await self.client.load_config(ch)
+                loaded = QtWidgets.QMessageBox(self)
+                loaded.setWindowTitle("Config loaded")
+                loaded.setText(f"Channel {ch} Config has been loaded from flash.")
+                loaded.setIcon(QtWidgets.QMessageBox.Icon.Information)
+                loaded.show()
+
+            self.params[i].child('Load from flash').sigActivated.connect(load)
+
+            @asyncSlot()
+            async def autotune(param, ch=i):
+                match self.autotuners[ch].state():
+                    case PIDAutotuneState.STATE_OFF:
+                        self.autotuners[ch].setParam(
+                            param.parent().child('Target Temperature').value(),
+                            param.parent().child('Test Current').value() / 1000,
+                            param.parent().child('Temperature Swing').value(),
+                            self.report_refresh_spin.value(),
+                            3)
+                        self.autotuners[ch].setReady()
+                        param.setOpts(title="Stop")
+                        self.client_watcher.report_update.connect(self.autotune_tick)
+                        self.loading_spinner.show()
+                        self.loading_spinner.start()
+                        if self.autotuners[1 - ch].state() == PIDAutotuneState.STATE_OFF:
+                            self.background_task_lbl.setText("Autotuning channel {ch}...".format(ch=ch))
+                        else:
+                            self.background_task_lbl.setText("Autotuning channel 0 and 1...")
+                    case PIDAutotuneState.STATE_READY | PIDAutotuneState.STATE_RELAY_STEP_UP | PIDAutotuneState.STATE_RELAY_STEP_DOWN:
+                        self.autotuners[ch].setOff()
+                        param.setOpts(title="Run")
+                        await self.client.set_param('pwm', ch, 'i_set', 0)
+                        self.client_watcher.report_update.disconnect(self.autotune_tick)
+                        if self.autotuners[1 - ch].state() == PIDAutotuneState.STATE_OFF:
+                            self.background_task_lbl.setText("Ready.")
+                            self.loading_spinner.stop()
+                            self.loading_spinner.hide()
+                        else:
+                            self.background_task_lbl.setText("Autotuning channel {ch}...".format(ch=1-ch))
+
+            self.params[i].child('PID Config', 'PID Auto Tune', 'Run').sigActivated.connect(autotune)
+
+    @asyncSlot(list)
+    async def autotune_tick(self, report):
+        for channel_report in report:
+            channel = channel_report['channel']
+            match self.autotuners[channel].state():
+                case PIDAutotuneState.STATE_READY | PIDAutotuneState.STATE_RELAY_STEP_UP | PIDAutotuneState.STATE_RELAY_STEP_DOWN:
+                    self.autotuners[channel].run(channel_report['temperature'], channel_report['time'])
+                    await self.client.set_param('pwm', channel, 'i_set', self.autotuners[channel].output())
+                case PIDAutotuneState.STATE_SUCCEEDED:
+                    kp, ki, kd = self.autotuners[channel].get_tec_pid()
+                    self.autotuners[channel].setOff()
+                    self.params[channel].child('PID Config', 'PID Auto Tune', 'Run').setOpts(title="Run")
+                    await self.client.set_param('pid', channel, 'kp', kp)
+                    await self.client.set_param('pid', channel, 'ki', ki)
+                    await self.client.set_param('pid', channel, 'kd', kd)
+                    await self.client.set_param('pwm', channel, 'pid')
+                    await self.client.set_param('pid', channel, 'target', self.params[channel].child("PID Config", "PID Auto Tune", "Target Temperature").value())
+                    self.client_watcher.report_update.disconnect(self.autotune_tick)
+                    if self.autotuners[1 - channel].state() == PIDAutotuneState.STATE_OFF:
+                        self.background_task_lbl.setText("Ready.")
+                        self.loading_spinner.stop()
+                        self.loading_spinner.hide()
+                    else:
+                        self.background_task_lbl.setText("Autotuning channel {ch}...".format(ch=1-ch))
+                case PIDAutotuneState.STATE_FAILED:
+                    self.autotuners[channel].setOff()
+                    self.params[channel].child('PID Config', 'PID Auto Tune', 'Run').setOpts(title="Run")
+                    await self.client.set_param('pwm', channel, 'i_set', 0)
+                    self.client_watcher.report_update.disconnect(self.autotune_tick)
+                    if self.autotuners[1 - channel].state() == PIDAutotuneState.STATE_OFF:
+                        self.background_task_lbl.setText("Ready.")
+                        self.loading_spinner.stop()
+                        self.loading_spinner.hide()
+                    else:
+                        self.background_task_lbl.setText("Autotuning channel {ch}...".format(ch=1-ch))
 
     @pyqtSlot(list)
     def update_pid(self, pid_settings):
         for settings in pid_settings:
             channel = settings["channel"]
-            with QSignalBlocker(params[channel]):
+            with QSignalBlocker(self.params[channel]):
-                params[channel].child("PID Config", "kP").setValue(settings["parameters"]["kp"])
+                self.params[channel].child("PID Config", "Kp").setValue(settings["parameters"]["kp"])
-                params[channel].child("PID Config", "kI").setValue(settings["parameters"]["ki"])
+                self.params[channel].child("PID Config", "Ki").setValue(settings["parameters"]["ki"])
-                params[channel].child("PID Config", "kD").setValue(settings["parameters"]["kd"])
+                self.params[channel].child("PID Config", "Kd").setValue(settings["parameters"]["kd"])
-                if params[channel].child("Temperature PID").value():
+                self.params[channel].child("PID Config", "PID Output Clamping", "Minimum").setValue(settings["parameters"]["output_min"] * 1000)
-                    params[channel].child("Temperature PID", "Set Temperature").setValue(settings["target"])
+                self.params[channel].child("PID Config", "PID Output Clamping", "Maximum").setValue(settings["parameters"]["output_max"] * 1000)
+                self.params[channel].child("Output Config", "Control Method", "Set Temperature").setValue(settings["target"])
+                self.channel_graphs[channel].set_t_line(temp=round(settings["target"], 6))
 
     @pyqtSlot(list)
     def update_report(self, report_data):
         for settings in report_data:
             channel = settings["channel"]
-            with QSignalBlocker(params[channel]):
+            self.channel_graphs[channel].plot_append(settings)
-                params[channel].child("Temperature PID").setValue(settings["pid_engaged"])
+            with QSignalBlocker(self.params[channel]):
+                self.params[channel].child("Output Config", "Control Method").setValue("Temperature PID" if settings["pid_engaged"] else "Constant Current")
+                self.channel_graphs[channel].set_t_line(visible=settings['pid_engaged'])
+                self.params[channel].child("Output Config", "Control Method", "Set Current").setValue(settings["i_set"] * 1000)
+                if settings['temperature'] is not None:
+                    self.params[channel].child("Temperature").setValue(settings['temperature'])
+                    if settings['tec_i'] is not None:
+                        self.params[channel].child("Current through TEC").setValue(settings['tec_i'] * 1000)
+
+    @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):
+        channels_zeroed_limits = [set() for i in range(NUM_CHANNELS)]
+
+        for pwm_params in pwm_data:
+            channel = pwm_params["channel"]
+            with QSignalBlocker(self.params[channel]):
+                self.params[channel].child("Output Config", "Limits", "Max Voltage Difference").setValue(pwm_params["max_v"]["value"])
+                self.params[channel].child("Output Config", "Limits", "Max Cooling Current").setValue(pwm_params["max_i_pos"]["value"] * 1000)
+                self.params[channel].child("Output Config", "Limits", "Max Heating Current").setValue(pwm_params["max_i_neg"]["value"] * 1000)
+
+            for limit in "max_i_pos", "max_i_neg", "max_v":
+                if pwm_params[limit]["value"] == 0.0:
+                    channels_zeroed_limits[channel].add(limit)
+
+        self.set_limits_warning(channels_zeroed_limits)
+
+    @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("Thermistor Config", "Postfilter Rate").setValue(postfilter_params["rate"])
 
 
 async def coro_main():

pytec/tec_qt.ui

@@ -25,6 +25,10 @@
   <property name="windowTitle">
    <string>Thermostat Control Panel</string>
   </property>
+  <property name="windowIcon">
+   <iconset>
+    <normaloff>thermostat-icon-640x640.png</normaloff>thermostat-icon-640x640.png</iconset>
+  </property>
   <widget class="QWidget" name="main_widget">
    <property name="sizePolicy">
     <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
@@ -96,32 +100,16 @@
           <widget class="ParameterTree" name="ch0_tree" native="true"/>
          </item>
          <item row="1" column="1">
-          <widget class="PlotWidget" name="ch1_t_graph" native="true">
+          <widget class="LivePlotWidget" name="ch1_t_graph" native="true"/>
-           <property name="title">
-            <string>Channel 1 Temperature</string>
-           </property>
-          </widget>
          </item>
          <item row="0" column="1">
-          <widget class="PlotWidget" name="ch0_t_graph" native="true">
+          <widget class="LivePlotWidget" name="ch0_t_graph" native="true"/>
-           <property name="title">
-            <string>Channel 0 Temperature</string>
-           </property>
-          </widget>
          </item>
          <item row="0" column="2">
-          <widget class="PlotWidget" name="ch0_i_graph" native="true">
+          <widget class="LivePlotWidget" name="ch0_i_graph" native="true"/>
-           <property name="title">
-            <string>Channel 0 Current</string>
-           </property>
-          </widget>
          </item>
          <item row="1" column="2">
-          <widget class="PlotWidget" name="ch1_i_graph" native="true">
+          <widget class="LivePlotWidget" name="ch1_i_graph" native="true"/>
-           <property name="title">
-            <string>Channel 1 Current</string>
-           </property>
-          </widget>
          </item>
         </layout>
        </widget>
@@ -171,69 +159,7 @@
          <item>
           <layout class="QHBoxLayout" name="settings_layout">
            <item>
-            <widget class="QLineEdit" name="ip_set_line">
+            <widget class="QToolButton" name="connect_btn">
-             <property name="sizePolicy">
-              <sizepolicy hsizetype="Fixed" vsizetype="Expanding">
-               <horstretch>0</horstretch>
-               <verstretch>0</verstretch>
-              </sizepolicy>
-             </property>
-             <property name="minimumSize">
-              <size>
-               <width>160</width>
-               <height>0</height>
-              </size>
-             </property>
-             <property name="maximumSize">
-              <size>
-               <width>160</width>
-               <height>16777215</height>
-              </size>
-             </property>
-             <property name="text">
-              <string>192.168.1.26</string>
-             </property>
-             <property name="maxLength">
-              <number>15</number>
-             </property>
-             <property name="placeholderText">
-              <string>IP:port for the Thermostat</string>
-             </property>
-             <property name="clearButtonEnabled">
-              <bool>true</bool>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QSpinBox" name="port_set_spin">
-             <property name="sizePolicy">
-              <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
-               <horstretch>0</horstretch>
-               <verstretch>0</verstretch>
-              </sizepolicy>
-             </property>
-             <property name="minimumSize">
-              <size>
-               <width>70</width>
-               <height>0</height>
-              </size>
-             </property>
-             <property name="maximumSize">
-              <size>
-               <width>70</width>
-               <height>16777215</height>
-              </size>
-             </property>
-             <property name="maximum">
-              <number>65535</number>
-             </property>
-             <property name="value">
-              <number>23</number>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QPushButton" name="connect_btn">
              <property name="sizePolicy">
               <sizepolicy hsizetype="Fixed" vsizetype="Expanding">
                <horstretch>0</horstretch>
@@ -261,6 +187,12 @@
              <property name="text">
               <string>Connect</string>
              </property>
+             <property name="popupMode">
+              <enum>QToolButton::MenuButtonPopup</enum>
+             </property>
+             <property name="toolButtonStyle">
+              <enum>Qt::ToolButtonFollowStyle</enum>
+             </property>
             </widget>
            </item>
            <item>
@@ -296,6 +228,9 @@
            </item>
            <item>
             <widget class="QToolButton" name="thermostat_settings">
+             <property name="enabled">
+              <bool>false</bool>
+             </property>
              <property name="text">
               <string notr="true">⚙</string>
              </property>
@@ -305,176 +240,47 @@
             </widget>
            </item>
            <item>
-            <widget class="Line" name="line_0">
+            <widget class="QToolButton" name="plot_settings">
-             <property name="sizePolicy">
-              <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
-               <horstretch>0</horstretch>
-               <verstretch>0</verstretch>
-              </sizepolicy>
-             </property>
-             <property name="orientation">
-              <enum>Qt::Vertical</enum>
-             </property>
-            </widget>
-           </item>
-           <item>
-            <widget class="QWidget" name="fan_group" native="true">
-             <property name="enabled">
-              <bool>false</bool>
-             </property>
-             <property name="minimumSize">
-              <size>
-               <width>40</width>
-               <height>0</height>
-              </size>
-             </property>
-             <layout class="QHBoxLayout" name="horizontalLayout_6">
-              <property name="spacing">
-               <number>0</number>
-              </property>
-              <property name="leftMargin">
-               <number>0</number>
-              </property>
-              <property name="topMargin">
-               <number>0</number>
-              </property>
-              <property name="rightMargin">
-               <number>0</number>
-              </property>
-              <property name="bottomMargin">
-               <number>0</number>
-              </property>
-              <item>
-               <layout class="QHBoxLayout" name="gan_layout">
-                <property name="spacing">
-                 <number>9</number>
-                </property>
-                <item>
-                 <widget class="QLabel" name="fan_pwm_warning">
-                  <property name="minimumSize">
-                   <size>
-                    <width>16</width>
-                    <height>0</height>
-                   </size>
-                  </property>
-                  <property name="text">
-                   <string/>
-                  </property>
-                 </widget>
-                </item>
-                <item>
-                 <widget class="QLabel" name="fan_lbl">
-                  <property name="sizePolicy">
-                   <sizepolicy hsizetype="Fixed" vsizetype="Expanding">
-                    <horstretch>0</horstretch>
-                    <verstretch>0</verstretch>
-                   </sizepolicy>
-                  </property>
-                  <property name="minimumSize">
-                   <size>
-                    <width>40</width>
-                    <height>0</height>
-                   </size>
-                  </property>
-                  <property name="maximumSize">
-                   <size>
-                    <width>40</width>
-                    <height>16777215</height>
-                   </size>
-                  </property>
-                  <property name="baseSize">
-                   <size>
-                    <width>40</width>
-                    <height>0</height>
-                   </size>
-                  </property>
              <property name="toolTip">
-                   <string>Adjust the fan</string>
+              <string>Plot Settings</string>
              </property>
              <property name="text">
-                   <string>Fan:</string>
+              <string>📉</string>
+             </property>
+             <property name="popupMode">
+              <enum>QToolButton::InstantPopup</enum>
              </property>
             </widget>
            </item>
            <item>
-                 <widget class="QSlider" name="fan_power_slider">
+            <widget class="QLabel" name="limits_warning">
-                  <property name="sizePolicy">
+             <property name="toolTipDuration">
-                   <sizepolicy hsizetype="Fixed" vsizetype="Expanding">
+              <number>1000000000</number>
-                    <horstretch>0</horstretch>
-                    <verstretch>0</verstretch>
-                   </sizepolicy>
              </property>
-                  <property name="minimumSize">
+            </widget>
-                   <size>
+           </item>
-                    <width>200</width>
+           <item>
-                    <height>0</height>
+            <widget class="QLabel" name="background_task_lbl">
-                   </size>
+             <property name="text">
-                  </property>
+              <string>Ready.</string>
-                  <property name="maximumSize">
-                   <size>
-                    <width>200</width>
-                    <height>16777215</height>
-                   </size>
-                  </property>
-                  <property name="baseSize">
-                   <size>
-                    <width>200</width>
-                    <height>0</height>
-                   </size>
-                  </property>
-                  <property name="minimum">
-                   <number>1</number>
-                  </property>
-                  <property name="maximum">
-                   <number>100</number>
              </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QtWaitingSpinner" name="loading_spinner" native="true"/>
+           </item>
+           <item>
+            <spacer name="horizontalSpacer">
              <property name="orientation">
               <enum>Qt::Horizontal</enum>
              </property>
-                 </widget>
+             <property name="sizeHint" stdset="0">
-                </item>
-                <item>
-                 <widget class="QCheckBox" name="fan_auto_box">
-                  <property name="sizePolicy">
-                   <sizepolicy hsizetype="Fixed" vsizetype="Expanding">
-                    <horstretch>0</horstretch>
-                    <verstretch>0</verstretch>
-                   </sizepolicy>
-                  </property>
-                  <property name="minimumSize">
               <size>
-                    <width>70</width>
+               <width>40</width>
-                    <height>0</height>
+               <height>20</height>
               </size>
              </property>
-                  <property name="maximumSize">
+            </spacer>
-                   <size>
-                    <width>70</width>
-                    <height>16777215</height>
-                   </size>
-                  </property>
-                  <property name="text">
-                   <string>Auto</string>
-                  </property>
-                 </widget>
-                </item>
-               </layout>
-              </item>
-             </layout>
-            </widget>
-           </item>
-           <item>
-            <widget class="Line" name="line_1">
-             <property name="sizePolicy">
-              <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
-               <horstretch>0</horstretch>
-               <verstretch>0</verstretch>
-              </sizepolicy>
-             </property>
-             <property name="orientation">
-              <enum>Qt::Vertical</enum>
-             </property>
-            </widget>
            </item>
            <item>
             <widget class="QWidget" name="report_group" native="true">
@@ -646,20 +452,92 @@
     </item>
    </layout>
   </widget>
+  <action name="actionReset">
+   <property name="text">
+    <string>Reset</string>
+   </property>
+   <property name="toolTip">
+    <string>Reset the Thermostat</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionEnter_DFU_Mode">
+   <property name="text">
+    <string>Enter DFU Mode</string>
+   </property>
+   <property name="toolTip">
+    <string>Reset thermostat and enter USB device firmware update (DFU) mode</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionNetwork_Settings">
+   <property name="text">
+    <string>Network Settings</string>
+   </property>
+   <property name="toolTip">
+    <string>Configure IPv4 address, netmask length, and optional default gateway</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionAbout_Thermostat">
+   <property name="text">
+    <string>About Thermostat</string>
+   </property>
+   <property name="toolTip">
+    <string>Show Thermostat hardware revision, and settings related to i</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionLoad_all_configs">
+   <property name="text">
+    <string>Load all channel configs from flash</string>
+   </property>
+   <property name="toolTip">
+    <string>Restore configuration for all channels from flash</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
+  <action name="actionSave_all_configs">
+   <property name="text">
+    <string>Save all channel configs to flash</string>
+   </property>
+   <property name="toolTip">
+    <string>Save configuration for all channels to flash</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::NoRole</enum>
+   </property>
+  </action>
  </widget>
  <customwidgets>
-  <customwidget>
-   <class>PlotWidget</class>
-   <extends>QWidget</extends>
-   <header>pyqtgraph</header>
-   <container>1</container>
-  </customwidget>
   <customwidget>
    <class>ParameterTree</class>
    <extends>QWidget</extends>
    <header>pyqtgraph.parametertree</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>LivePlotWidget</class>
+   <extends>QWidget</extends>
+   <header>pglive.sources.live_plot_widget</header>
+   <container>1</container>
+  </customwidget>
+  <customwidget>
+   <class>QtWaitingSpinner</class>
+   <extends>QWidget</extends>
+   <header>waitingspinnerwidget</header>
+   <container>1</container>
+  </customwidget>
  </customwidgets>
  <resources/>
  <connections/>

pytec/ui_tec_qt.py

@@ -1,6 +1,6 @@
 # Form implementation generated from reading ui file 'tec_qt.ui'
 #
-# Created by: PyQt6 UI code generator 6.4.2
+# Created by: PyQt6 UI code generator 6.5.2
 #
 # WARNING: Any manual changes made to this file will be lost when pyuic6 is
 # run again.  Do not edit this file unless you know what you are doing.
@@ -15,6 +15,9 @@ class Ui_MainWindow(object):
         MainWindow.resize(1280, 720)
         MainWindow.setMinimumSize(QtCore.QSize(1280, 720))
         MainWindow.setMaximumSize(QtCore.QSize(3840, 2160))
+        icon = QtGui.QIcon()
+        icon.addPixmap(QtGui.QPixmap("thermostat-icon-640x640.png"), QtGui.QIcon.Mode.Normal, QtGui.QIcon.State.Off)
+        MainWindow.setWindowIcon(icon)
         self.main_widget = QtWidgets.QWidget(parent=MainWindow)
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Expanding)
         sizePolicy.setHorizontalStretch(1)
@@ -50,16 +53,16 @@ class Ui_MainWindow(object):
         self.ch0_tree = ParameterTree(parent=self.graph_group)
         self.ch0_tree.setObjectName("ch0_tree")
         self.graphs_layout.addWidget(self.ch0_tree, 0, 0, 1, 1)
-        self.ch1_t_graph = PlotWidget(parent=self.graph_group)
+        self.ch1_t_graph = LivePlotWidget(parent=self.graph_group)
         self.ch1_t_graph.setObjectName("ch1_t_graph")
         self.graphs_layout.addWidget(self.ch1_t_graph, 1, 1, 1, 1)
-        self.ch0_t_graph = PlotWidget(parent=self.graph_group)
+        self.ch0_t_graph = LivePlotWidget(parent=self.graph_group)
         self.ch0_t_graph.setObjectName("ch0_t_graph")
         self.graphs_layout.addWidget(self.ch0_t_graph, 0, 1, 1, 1)
-        self.ch0_i_graph = PlotWidget(parent=self.graph_group)
+        self.ch0_i_graph = LivePlotWidget(parent=self.graph_group)
         self.ch0_i_graph.setObjectName("ch0_i_graph")
         self.graphs_layout.addWidget(self.ch0_i_graph, 0, 2, 1, 1)
-        self.ch1_i_graph = PlotWidget(parent=self.graph_group)
+        self.ch1_i_graph = LivePlotWidget(parent=self.graph_group)
         self.ch1_i_graph.setObjectName("ch1_i_graph")
         self.graphs_layout.addWidget(self.ch1_i_graph, 1, 2, 1, 1)
         self.graphs_layout.setColumnMinimumWidth(0, 100)
@@ -90,31 +93,7 @@ class Ui_MainWindow(object):
         self.horizontalLayout_2.setObjectName("horizontalLayout_2")
         self.settings_layout = QtWidgets.QHBoxLayout()
         self.settings_layout.setObjectName("settings_layout")
-        self.ip_set_line = QtWidgets.QLineEdit(parent=self.bottom_settings_group)
+        self.connect_btn = QtWidgets.QToolButton(parent=self.bottom_settings_group)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Fixed, QtWidgets.QSizePolicy.Policy.Expanding)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.ip_set_line.sizePolicy().hasHeightForWidth())
-        self.ip_set_line.setSizePolicy(sizePolicy)
-        self.ip_set_line.setMinimumSize(QtCore.QSize(160, 0))
-        self.ip_set_line.setMaximumSize(QtCore.QSize(160, 16777215))
-        self.ip_set_line.setMaxLength(15)
-        self.ip_set_line.setClearButtonEnabled(True)
-        self.ip_set_line.setObjectName("ip_set_line")
-        self.settings_layout.addWidget(self.ip_set_line)
-        self.port_set_spin = QtWidgets.QSpinBox(parent=self.bottom_settings_group)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Fixed, QtWidgets.QSizePolicy.Policy.Fixed)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        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.setProperty("value", 23)
-        self.port_set_spin.setObjectName("port_set_spin")
-        self.settings_layout.addWidget(self.port_set_spin)
-        self.connect_btn = QtWidgets.QPushButton(parent=self.bottom_settings_group)
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Fixed, QtWidgets.QSizePolicy.Policy.Expanding)
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)
@@ -123,6 +102,8 @@ class Ui_MainWindow(object):
         self.connect_btn.setMinimumSize(QtCore.QSize(100, 0))
         self.connect_btn.setMaximumSize(QtCore.QSize(100, 16777215))
         self.connect_btn.setBaseSize(QtCore.QSize(100, 0))
+        self.connect_btn.setPopupMode(QtWidgets.QToolButton.ToolButtonPopupMode.MenuButtonPopup)
+        self.connect_btn.setToolButtonStyle(QtCore.Qt.ToolButtonStyle.ToolButtonFollowStyle)
         self.connect_btn.setObjectName("connect_btn")
         self.settings_layout.addWidget(self.connect_btn)
         self.status_lbl = QtWidgets.QLabel(parent=self.bottom_settings_group)
@@ -137,83 +118,27 @@ class Ui_MainWindow(object):
         self.status_lbl.setObjectName("status_lbl")
         self.settings_layout.addWidget(self.status_lbl)
         self.thermostat_settings = QtWidgets.QToolButton(parent=self.bottom_settings_group)
+        self.thermostat_settings.setEnabled(False)
         self.thermostat_settings.setText("⚙")
         self.thermostat_settings.setPopupMode(QtWidgets.QToolButton.ToolButtonPopupMode.InstantPopup)
         self.thermostat_settings.setObjectName("thermostat_settings")
         self.settings_layout.addWidget(self.thermostat_settings)
-        self.line_0 = QtWidgets.QFrame(parent=self.bottom_settings_group)
+        self.plot_settings = QtWidgets.QToolButton(parent=self.bottom_settings_group)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
+        self.plot_settings.setPopupMode(QtWidgets.QToolButton.ToolButtonPopupMode.InstantPopup)
-        sizePolicy.setHorizontalStretch(0)
+        self.plot_settings.setObjectName("plot_settings")
-        sizePolicy.setVerticalStretch(0)
+        self.settings_layout.addWidget(self.plot_settings)
-        sizePolicy.setHeightForWidth(self.line_0.sizePolicy().hasHeightForWidth())
+        self.limits_warning = QtWidgets.QLabel(parent=self.bottom_settings_group)
-        self.line_0.setSizePolicy(sizePolicy)
+        self.limits_warning.setToolTipDuration(1000000000)
-        self.line_0.setFrameShape(QtWidgets.QFrame.Shape.VLine)
+        self.limits_warning.setObjectName("limits_warning")
-        self.line_0.setFrameShadow(QtWidgets.QFrame.Shadow.Sunken)
+        self.settings_layout.addWidget(self.limits_warning)
-        self.line_0.setObjectName("line_0")
+        self.background_task_lbl = QtWidgets.QLabel(parent=self.bottom_settings_group)
-        self.settings_layout.addWidget(self.line_0)
+        self.background_task_lbl.setObjectName("background_task_lbl")
-        self.fan_group = QtWidgets.QWidget(parent=self.bottom_settings_group)
+        self.settings_layout.addWidget(self.background_task_lbl)
-        self.fan_group.setEnabled(False)
+        self.loading_spinner = QtWaitingSpinner(parent=self.bottom_settings_group)
-        self.fan_group.setMinimumSize(QtCore.QSize(40, 0))
+        self.loading_spinner.setObjectName("loading_spinner")
-        self.fan_group.setObjectName("fan_group")
+        self.settings_layout.addWidget(self.loading_spinner)
-        self.horizontalLayout_6 = QtWidgets.QHBoxLayout(self.fan_group)
+        spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
-        self.horizontalLayout_6.setContentsMargins(0, 0, 0, 0)
+        self.settings_layout.addItem(spacerItem)
-        self.horizontalLayout_6.setSpacing(0)
-        self.horizontalLayout_6.setObjectName("horizontalLayout_6")
-        self.gan_layout = QtWidgets.QHBoxLayout()
-        self.gan_layout.setSpacing(9)
-        self.gan_layout.setObjectName("gan_layout")
-        self.fan_pwm_warning = QtWidgets.QLabel(parent=self.fan_group)
-        self.fan_pwm_warning.setMinimumSize(QtCore.QSize(16, 0))
-        self.fan_pwm_warning.setText("")
-        self.fan_pwm_warning.setObjectName("fan_pwm_warning")
-        self.gan_layout.addWidget(self.fan_pwm_warning)
-        self.fan_lbl = QtWidgets.QLabel(parent=self.fan_group)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Fixed, QtWidgets.QSizePolicy.Policy.Expanding)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        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_lbl.setObjectName("fan_lbl")
-        self.gan_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.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        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.setMinimum(1)
-        self.fan_power_slider.setMaximum(100)
-        self.fan_power_slider.setOrientation(QtCore.Qt.Orientation.Horizontal)
-        self.fan_power_slider.setObjectName("fan_power_slider")
-        self.gan_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.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        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_auto_box.setObjectName("fan_auto_box")
-        self.gan_layout.addWidget(self.fan_auto_box)
-        self.horizontalLayout_6.addLayout(self.gan_layout)
-        self.settings_layout.addWidget(self.fan_group)
-        self.line_1 = QtWidgets.QFrame(parent=self.bottom_settings_group)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Minimum)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.line_1.sizePolicy().hasHeightForWidth())
-        self.line_1.setSizePolicy(sizePolicy)
-        self.line_1.setFrameShape(QtWidgets.QFrame.Shape.VLine)
-        self.line_1.setFrameShadow(QtWidgets.QFrame.Shadow.Sunken)
-        self.line_1.setObjectName("line_1")
-        self.settings_layout.addWidget(self.line_1)
         self.report_group = QtWidgets.QWidget(parent=self.bottom_settings_group)
         self.report_group.setEnabled(False)
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Policy.Minimum, QtWidgets.QSizePolicy.Policy.Expanding)
@@ -282,6 +207,24 @@ class Ui_MainWindow(object):
         self.main_layout.addWidget(self.bottom_settings_group)
         self.gridLayout_2.addLayout(self.main_layout, 0, 1, 1, 1)
         MainWindow.setCentralWidget(self.main_widget)
+        self.actionReset = QtGui.QAction(parent=MainWindow)
+        self.actionReset.setMenuRole(QtGui.QAction.MenuRole.NoRole)
+        self.actionReset.setObjectName("actionReset")
+        self.actionEnter_DFU_Mode = QtGui.QAction(parent=MainWindow)
+        self.actionEnter_DFU_Mode.setMenuRole(QtGui.QAction.MenuRole.NoRole)
+        self.actionEnter_DFU_Mode.setObjectName("actionEnter_DFU_Mode")
+        self.actionNetwork_Settings = QtGui.QAction(parent=MainWindow)
+        self.actionNetwork_Settings.setMenuRole(QtGui.QAction.MenuRole.NoRole)
+        self.actionNetwork_Settings.setObjectName("actionNetwork_Settings")
+        self.actionAbout_Thermostat = QtGui.QAction(parent=MainWindow)
+        self.actionAbout_Thermostat.setMenuRole(QtGui.QAction.MenuRole.NoRole)
+        self.actionAbout_Thermostat.setObjectName("actionAbout_Thermostat")
+        self.actionLoad_all_configs = QtGui.QAction(parent=MainWindow)
+        self.actionLoad_all_configs.setMenuRole(QtGui.QAction.MenuRole.NoRole)
+        self.actionLoad_all_configs.setObjectName("actionLoad_all_configs")
+        self.actionSave_all_configs = QtGui.QAction(parent=MainWindow)
+        self.actionSave_all_configs.setMenuRole(QtGui.QAction.MenuRole.NoRole)
+        self.actionSave_all_configs.setObjectName("actionSave_all_configs")
 
         self.retranslateUi(MainWindow)
         QtCore.QMetaObject.connectSlotsByName(MainWindow)
@@ -289,23 +232,30 @@ class Ui_MainWindow(object):
     def retranslateUi(self, MainWindow):
         _translate = QtCore.QCoreApplication.translate
         MainWindow.setWindowTitle(_translate("MainWindow", "Thermostat Control Panel"))
-        self.ch1_t_graph.setTitle(_translate("MainWindow", "Channel 1 Temperature"))
-        self.ch0_t_graph.setTitle(_translate("MainWindow", "Channel 0 Temperature"))
-        self.ch0_i_graph.setTitle(_translate("MainWindow", "Channel 0 Current"))
-        self.ch1_i_graph.setTitle(_translate("MainWindow", "Channel 1 Current"))
-        self.ip_set_line.setText(_translate("MainWindow", "192.168.1.26"))
-        self.ip_set_line.setPlaceholderText(_translate("MainWindow", "IP:port for the Thermostat"))
         self.connect_btn.setText(_translate("MainWindow", "Connect"))
         self.status_lbl.setText(_translate("MainWindow", "Disconnected"))
-        self.fan_lbl.setToolTip(_translate("MainWindow", "Adjust the fan"))
+        self.plot_settings.setToolTip(_translate("MainWindow", "Plot Settings"))
-        self.fan_lbl.setText(_translate("MainWindow", "Fan:"))
+        self.plot_settings.setText(_translate("MainWindow", "📉"))
-        self.fan_auto_box.setText(_translate("MainWindow", "Auto"))
+        self.background_task_lbl.setText(_translate("MainWindow", "Ready."))
         self.report_lbl.setText(_translate("MainWindow", "Poll every: "))
         self.report_refresh_spin.setSuffix(_translate("MainWindow", " s"))
         self.report_box.setText(_translate("MainWindow", "Report"))
         self.report_apply_btn.setText(_translate("MainWindow", "Apply"))
-from pyqtgraph import PlotWidget
+        self.actionReset.setText(_translate("MainWindow", "Reset"))
+        self.actionReset.setToolTip(_translate("MainWindow", "Reset the Thermostat"))
+        self.actionEnter_DFU_Mode.setText(_translate("MainWindow", "Enter DFU Mode"))
+        self.actionEnter_DFU_Mode.setToolTip(_translate("MainWindow", "Reset thermostat and enter USB device firmware update (DFU) mode"))
+        self.actionNetwork_Settings.setText(_translate("MainWindow", "Network Settings"))
+        self.actionNetwork_Settings.setToolTip(_translate("MainWindow", "Configure IPv4 address, netmask length, and optional default gateway"))
+        self.actionAbout_Thermostat.setText(_translate("MainWindow", "About Thermostat"))
+        self.actionAbout_Thermostat.setToolTip(_translate("MainWindow", "Show Thermostat hardware revision, and settings related to i"))
+        self.actionLoad_all_configs.setText(_translate("MainWindow", "Load all channel configs from flash"))
+        self.actionLoad_all_configs.setToolTip(_translate("MainWindow", "Restore configuration for all channels from flash"))
+        self.actionSave_all_configs.setText(_translate("MainWindow", "Save all channel configs to flash"))
+        self.actionSave_all_configs.setToolTip(_translate("MainWindow", "Save configuration for all channels to flash"))
+from pglive.sources.live_plot_widget import LivePlotWidget
 from pyqtgraph.parametertree import ParameterTree
+from waitingspinnerwidget import QtWaitingSpinner
 
 
 if __name__ == "__main__":

pytec/waitingspinnerwidget.py

@@ -0,0 +1,194 @@
+"""
+The MIT License (MIT)
+
+Copyright (c) 2012-2014 Alexander Turkin
+Copyright (c) 2014 William Hallatt
+Copyright (c) 2015 Jacob Dawid
+Copyright (c) 2016 Luca Weiss
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+"""
+
+import math
+
+from PyQt6.QtCore import *
+from PyQt6.QtGui import *
+from PyQt6.QtWidgets import *
+
+
+class QtWaitingSpinner(QWidget):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+
+        # WAS IN initialize()
+        self._color = QColor(Qt.GlobalColor.black)
+        self._roundness = 100.0
+        self._minimumTrailOpacity = 3.14159265358979323846
+        self._trailFadePercentage = 80.0
+        self._revolutionsPerSecond = 1.57079632679489661923
+        self._numberOfLines = 20
+        self._lineLength = 5
+        self._lineWidth = 2
+        self._innerRadius = 5
+        self._currentCounter = 0
+
+        self._timer = QTimer(self)
+        self._timer.timeout.connect(self.rotate)
+        self.updateSize()
+        self.updateTimer()
+        # END initialize()
+
+        self.setAttribute(Qt.WidgetAttribute.WA_TranslucentBackground)
+
+    def paintEvent(self, QPaintEvent):
+        painter = QPainter(self)
+        painter.fillRect(self.rect(), Qt.GlobalColor.transparent)
+        painter.setRenderHint(QPainter.RenderHint.Antialiasing, True)
+
+        if self._currentCounter >= self._numberOfLines:
+            self._currentCounter = 0
+
+        painter.setPen(Qt.PenStyle.NoPen)
+        for i in range(0, self._numberOfLines):
+            painter.save()
+            painter.translate(self._innerRadius + self._lineLength, self._innerRadius + self._lineLength)
+            rotateAngle = float(360 * i) / float(self._numberOfLines)
+            painter.rotate(rotateAngle)
+            painter.translate(self._innerRadius, 0)
+            distance = self.lineCountDistanceFromPrimary(i, self._currentCounter, self._numberOfLines)
+            color = self.currentLineColor(distance, self._numberOfLines, self._trailFadePercentage,
+                                          self._minimumTrailOpacity, self._color)
+            painter.setBrush(color)
+            painter.drawRoundedRect(QRect(0, int(-self._lineWidth / 2), self._lineLength, self._lineWidth), self._roundness,
+                                    self._roundness, Qt.SizeMode.RelativeSize)
+            painter.restore()
+
+    def start(self):
+        if not self._timer.isActive():
+            self._timer.start()
+            self._currentCounter = 0
+
+    def stop(self):
+        if self._timer.isActive():
+            self._timer.stop()
+            self._currentCounter = 0
+
+    def setNumberOfLines(self, lines):
+        self._numberOfLines = lines
+        self._currentCounter = 0
+        self.updateTimer()
+
+    def setLineLength(self, length):
+        self._lineLength = length
+        self.updateSize()
+
+    def setLineWidth(self, width):
+        self._lineWidth = width
+        self.updateSize()
+
+    def setInnerRadius(self, radius):
+        self._innerRadius = radius
+        self.updateSize()
+
+    def color(self):
+        return self._color
+
+    def roundness(self):
+        return self._roundness
+
+    def minimumTrailOpacity(self):
+        return self._minimumTrailOpacity
+
+    def trailFadePercentage(self):
+        return self._trailFadePercentage
+
+    def revolutionsPersSecond(self):
+        return self._revolutionsPerSecond
+
+    def numberOfLines(self):
+        return self._numberOfLines
+
+    def lineLength(self):
+        return self._lineLength
+
+    def lineWidth(self):
+        return self._lineWidth
+
+    def innerRadius(self):
+        return self._innerRadius
+
+    def setRoundness(self, roundness):
+        self._roundness = max(0.0, min(100.0, roundness))
+
+    def setColor(self, color=Qt.GlobalColor.black):
+        self._color = QColor(color)
+
+    def setRevolutionsPerSecond(self, revolutionsPerSecond):
+        self._revolutionsPerSecond = revolutionsPerSecond
+        self.updateTimer()
+
+    def setTrailFadePercentage(self, trail):
+        self._trailFadePercentage = trail
+
+    def setMinimumTrailOpacity(self, minimumTrailOpacity):
+        self._minimumTrailOpacity = minimumTrailOpacity
+
+    def rotate(self):
+        self._currentCounter += 1
+        if self._currentCounter >= self._numberOfLines:
+            self._currentCounter = 0
+        self.update()
+
+    def updateSize(self):
+        self.size = (self._innerRadius + self._lineLength) * 2
+        self.setFixedSize(self.size, self.size)
+
+    def updateTimer(self):
+        self._timer.setInterval(int(1000 / (self._numberOfLines * self._revolutionsPerSecond)))
+
+    def lineCountDistanceFromPrimary(self, current, primary, totalNrOfLines):
+        distance = primary - current
+        if distance < 0:
+            distance += totalNrOfLines
+        return distance
+
+    def currentLineColor(self, countDistance, totalNrOfLines, trailFadePerc, minOpacity, colorinput):
+        color = QColor(colorinput)
+        if countDistance == 0:
+            return color
+        minAlphaF = minOpacity / 100.0
+        distanceThreshold = int(math.ceil((totalNrOfLines - 1) * trailFadePerc / 100.0))
+        if countDistance > distanceThreshold:
+            color.setAlphaF(minAlphaF)
+        else:
+            alphaDiff = color.alphaF() - minAlphaF
+            gradient = alphaDiff / float(distanceThreshold + 1)
+            resultAlpha = color.alphaF() - gradient * countDistance
+            # If alpha is out of bounds, clip it.
+            resultAlpha = min(1.0, max(0.0, resultAlpha))
+            color.setAlphaF(resultAlpha)
+        return color
+
+
+if __name__ == '__main__':
+    app = QApplication([])
+    waiting_spinner = QtWaitingSpinner()
+    waiting_spinner.show()
+    waiting_spinner.start()
+    app.exec()