pytec/pytec/aioclient.py

@@ -243,11 +243,11 @@ class AsyncioClient:
         await self.disconnect()
 
     async def dfu(self):
-        """Put the Thermostat in DFU mode
+        """Put the Thermostat in DFU update mode
 
         The client is disconnected as the Thermostat stops responding to
-        TCP commands in DFU mode. To exit it, submit a DFU leave request
+        TCP commands in DFU update mode. The only way to exit it is by
-        or power-cycle the Thermostat.
+        power-cycling.
         """
         async with self._command_lock:
             self._writer.write("dfu\n".encode("utf-8"))

pytec/pytec/gui/model/pid_autotuner.py

@@ -30,6 +30,19 @@ class PIDAutoTuner(QObject):
     def get_state(self, ch):
         return self.autotuners[ch].state()
 
+    @asyncSlot()
+    async def pid_auto_tune_request(self, ch):
+        match self.get_state(ch):
+            case PIDAutotuneState.STATE_OFF | PIDAutotuneState.STATE_FAILED:
+                self.load_params_and_set_ready(ch)
+
+            case (
+                PIDAutotuneState.STATE_READY
+                | PIDAutotuneState.STATE_RELAY_STEP_UP
+                | PIDAutotuneState.STATE_RELAY_STEP_DOWN
+            ):
+                await self.stop_pid_from_running(ch)
+
     def load_params_and_set_ready(self, ch):
         self.autotuners[ch].setParam(
             self.target_temp[ch],

pytec/pytec/gui/model/thermostat.py

@@ -54,15 +54,11 @@ class Thermostat(QObject, metaclass=PropertyMeta):
                         "Encountered an error while polling for information from Thermostat.",
                         exc_info=True,
                     )
-                    self.handle_connection_error()
+                    self.connection_error.emit()
                     return
                 self._update_params_task = asyncio.create_task(self.update_params())
             await asyncio.sleep(self._update_s)
 
-    def handle_connection_error(self):
-        self.end_session()
-        self.connection_error.emit()
-
     async def get_hw_rev(self):
         return await self._client.hw_rev()
 

pytec/pytec/gui/view/ctrl_panel.py

@@ -94,7 +94,7 @@ class CtrlPanel(QObject):
             )
             self.params[i].child(
                 "PID Config", "PID Auto Tune", "Run"
-            ).sigActivated.connect(partial(self.pid_auto_tune_request, i))
+            ).sigActivated.connect(partial(self.autotuners.pid_auto_tune_request, i))
 
         self.thermostat.pid_update.connect(self.update_pid)
         self.thermostat.report_update.connect(self.update_report)
@@ -285,19 +285,6 @@ class CtrlPanel(QObject):
                     f"Channel {ch} PID Autotune has failed.",
                 )
 
-    @asyncSlot()
-    async def pid_auto_tune_request(self, ch):
-        match self.autotuners.get_state(ch):
-            case PIDAutotuneState.STATE_OFF | PIDAutotuneState.STATE_FAILED:
-                self.autotuners.load_params_and_set_ready(ch)
-
-            case (
-                PIDAutotuneState.STATE_READY
-                | PIDAutotuneState.STATE_RELAY_STEP_UP
-                | PIDAutotuneState.STATE_RELAY_STEP_DOWN
-            ):
-                await self.autotuners.stop_pid_from_running(ch)
-
     @asyncSlot(int)
     async def load_settings(self, ch):
         await self.thermostat.load_cfg(ch)

pytec/tec_qt.py

@@ -15,7 +15,9 @@ import asyncio
 import logging
 import argparse
 from PyQt6 import QtWidgets, QtGui, uic
-from PyQt6.QtCore import pyqtSlot
+from PyQt6.QtCore import QSignalBlocker, pyqtSlot
+import pyqtgraph as pg
+from functools import partial
 import importlib.resources
 
 
@@ -69,19 +71,20 @@ class MainWindow(QtWidgets.QMainWindow):
         self.autotuners.autotune_state_changed.connect(self.pid_autotune_handler)
 
         # Handlers for disconnections
+        @asyncSlot()
+        async def handle_connection_error():
+            self.info_box.display_info_box(
+                "Connection Error", "Thermostat connection lost. Is it unplugged?"
+            )
+            await self.thermostat.end_session()
+        self.thermostat.connection_error.connect(handle_connection_error)
+
         async def autotune_disconnect():
             for ch in range(self.NUM_CHANNELS):
                 if self.autotuners.get_state(ch) != PIDAutotuneState.STATE_OFF:
                     await self.autotuners.stop_pid_from_running(ch)
         self.thermostat.disconnect_cb = autotune_disconnect
 
-        @pyqtSlot()
-        def handle_connection_error():
-            self.info_box.display_info_box(
-                "Connection Error", "Thermostat connection lost. Is it unplugged?"
-            )
-        self.thermostat.connection_error.connect(handle_connection_error)
-
         # Control Panel
         def get_ctrl_panel_config(args):
             with open(args.param_tree, "r", encoding="utf-8") as f:
@@ -123,26 +126,27 @@ class MainWindow(QtWidgets.QMainWindow):
         self.ctrl_panel_view.set_zero_limits_warning_sig.connect(
             self.zero_limits_warning.set_limits_warning
         )
+
         self.loading_spinner.hide()
 
         self.report_apply_btn.clicked.connect(
             lambda: self.thermostat.set_update_s(self.report_refresh_spin.value())
         )
 
-    @asyncClose
+        if args.connect:
-    async def closeEvent(self, _event):
+            if args.IP:
-        try:
+                self.host_set_line.setText(args.IP)
-            await self.thermostat.end_session()
+            if args.PORT:
-        except:
+                self.port_set_spin.setValue(int(args.PORT))
-            pass
+            self.connect_btn.click()
 
-    @pyqtSlot(ThermostatConnectionState)
+    @asyncSlot(ThermostatConnectionState)
-    def _on_connection_changed(self, state):
+    async def _on_connection_changed(self, state):
         self.graph_group.setEnabled(state == ThermostatConnectionState.CONNECTED)
+        self.report_group.setEnabled(state == ThermostatConnectionState.CONNECTED)
         self.thermostat_settings.setEnabled(
             state == ThermostatConnectionState.CONNECTED
         )
-        self.report_group.setEnabled(state == ThermostatConnectionState.CONNECTED)
 
         match state:
             case ThermostatConnectionState.CONNECTED:
@@ -162,27 +166,16 @@ class MainWindow(QtWidgets.QMainWindow):
                 self.status_lbl.setText("Disconnected")
                 self.report_box.setChecked(False)
 
-    @pyqtSlot(int, PIDAutotuneState)
+    @asyncSlot(int)
-    def pid_autotune_handler(self, _ch, _state):
+    async def on_report_box_stateChanged(self, enabled):
-        ch_tuning = []
+        await self.thermostat.set_report_mode(enabled)
-        for ch in range(self.NUM_CHANNELS):
-            if self.autotuners.get_state(ch) in {
-                PIDAutotuneState.STATE_READY,
-                PIDAutotuneState.STATE_RELAY_STEP_UP,
-                PIDAutotuneState.STATE_RELAY_STEP_DOWN,
-            }:
-                ch_tuning.append(ch)
 
-        if len(ch_tuning) == 0:
+    @asyncClose
-            self.background_task_lbl.setText("Ready.")
+    async def closeEvent(self, _event):
-            self.loading_spinner.hide()
+        try:
-            self.loading_spinner.stop()
+            await self.thermostat.end_session()
-        else:
+        except:
-            self.background_task_lbl.setText(
+            pass
-                "Autotuning channel {ch}...".format(ch=ch_tuning)
-            )
-            self.loading_spinner.start()
-            self.loading_spinner.show()
 
     @asyncSlot()
     async def on_connect_btn_clicked(self):
@@ -208,9 +201,27 @@ class MainWindow(QtWidgets.QMainWindow):
         else:
             await self.thermostat.end_session()
 
-    @asyncSlot(int)
+    @asyncSlot(int, PIDAutotuneState)
-    async def on_report_box_stateChanged(self, enabled):
+    async def pid_autotune_handler(self, _ch, _state):
-        await self.thermostat.set_report_mode(enabled)
+        ch_tuning = []
+        for ch in range(self.NUM_CHANNELS):
+            if self.autotuners.get_state(ch) in {
+                PIDAutotuneState.STATE_READY,
+                PIDAutotuneState.STATE_RELAY_STEP_UP,
+                PIDAutotuneState.STATE_RELAY_STEP_DOWN,
+            }:
+                ch_tuning.append(ch)
+
+        if len(ch_tuning) == 0:
+            self.background_task_lbl.setText("Ready.")
+            self.loading_spinner.hide()
+            self.loading_spinner.stop()
+        else:
+            self.background_task_lbl.setText(
+                "Autotuning channel {ch}...".format(ch=ch_tuning)
+            )
+            self.loading_spinner.start()
+            self.loading_spinner.show()
 
 
 async def coro_main():
@@ -231,13 +242,6 @@ async def coro_main():
     main_window = MainWindow(args)
     main_window.show()
 
-    if args.connect:
-        if args.HOST:
-            main_window.conn_menu.host_set_line.setText(args.HOST)
-        if args.PORT:
-            main_window.conn_menu.port_set_spin.setValue(int(args.PORT))
-        main_window.connect_btn.click()
-
     await app_quit_event.wait()