MainCode/adalm1000_logger.py aktualisiert

Alles außer capacity sollte funzen
(D)

MainCode/adalm1000_logger.py

@@ -38,39 +38,21 @@ class MeasurementThread(QThread):
         self.current_direction = 1  # 1 for source, -1 for sink
 
     def run(self):
-        """Continuous measurement with proper validation"""
+        """Continuous measurement loop"""
         self._running = True
-        consecutive_errors = 0
-        
         while self._running:
             try:
                 samples = self.device.read(self.filter_window_size, 500, True)
-                
-                # Check for device disconnection
                 if not samples:
-                    consecutive_errors += 1
+                    raise DeviceDisconnectedError("No samples received")
-                    if consecutive_errors > 3:
-                        raise DeviceDisconnectedError("Keine Messwerte empfangen")
-                    time.sleep(0.1)
-                    continue
-                    
-                consecutive_errors = 0  # Reset counter on successful read
                 
                 current_time = time.time() - self.start_time
-                raw_voltage = np.mean([s[1][0] for s in samples])  # Channel B
                 
-                # Strict voltage validation (0-5V range)
+                # Get voltage from Channel B (HI_Z mode) and current from Channel A
-                if raw_voltage < 0 or raw_voltage > 5.0:
+                raw_voltage = np.mean([s[1][0] for s in samples])  # Channel B voltage
-                    raise ValueError(f"Ungültige Spannung: {raw_voltage}V (außerhalb 0-5V Bereich)")
+                raw_current = np.mean([s[0][1] for s in samples]) * self.current_direction  # Channel A current with direction
                 
-                # Current measurement with direction
+                # Update filter windows
-                raw_current = np.mean([s[0][1] for s in samples]) * self.current_direction
-                
-                # Current validation (-200mA to +200mA)
-                if not (-0.25 <= raw_current <= 0.25):
-                    raise ValueError(f"Ungültiger Strom: {raw_current}A (außerhalb ±200mA Bereich)")
-                
-                # Apply filtering
                 self.voltage_window.append(raw_voltage)
                 self.current_window.append(raw_current)
                 
@@ -81,24 +63,26 @@ class MeasurementThread(QThread):
                 voltage = np.mean(self.voltage_window)
                 current = np.mean(self.current_window)
                 
-                # Emit measurements
+                # Validate measurements
+                if voltage is None or not (-1.0 <= voltage <= 6.0):
+                    raise ValueError(f"Invalid voltage: {voltage}V")
+                if not (-0.25 <= current <= 0.25):
+                    raise ValueError(f"Invalid current: {current}A")
+                
+                # Emit update
                 self.update_signal.emit(voltage, current, current_time)
                 
-                # Store in queue
+                # Store measurement
                 try:
                     self.measurement_queue.put_nowait((voltage, current))
                 except Full:
                     pass
-                    
+                
                 time.sleep(max(0.05, self.interval))
                 
-            except DeviceDisconnectedError as e:
-                self.error_signal.emit(f"Gerätefehler: {str(e)}")
-                time.sleep(1)
-                continue
             except Exception as e:
-                self.error_signal.emit(f"Messfehler: {str(e)}")
+                self.error_signal.emit(f"Read error: {str(e)}")
-                time.sleep(0.5)
+                time.sleep(1)
                 continue
 
     def set_direction(self, direction):
@@ -448,10 +432,21 @@ class BatteryTester(QMainWindow):
         os.makedirs(self.log_dir, exist_ok=True)
                 
         # Data buffers
-        self.time_data = deque()
+        max_data_points = 36000  # Define this first
-        self.voltage_data = deque()
+        self.time_data = deque(maxlen=max_data_points)      
-        self.current_data = deque()
+        self.voltage_data = deque(maxlen=max_data_points)   
+        self.current_data = deque(maxlen=max_data_points) 
+        self.max_points_to_keep = 10000
+        self.display_time_data = deque(maxlen=self.max_points_to_keep)
+        self.display_voltage_data = deque(maxlen=self.max_points_to_keep)
+        self.display_current_data = deque(maxlen=self.max_points_to_keep)
+        self.aggregation_buffer = {
+            'time': [], 'voltage': [], 'current': [], 
+            'count': 0, 'last_plot_time': 0
+        }
         self.phase_data = deque()
+        self.downsample_factor = 1  # Initial kein Downsampling
+        self.downsample_counter = 0
         
         # Initialize UI and device
         self.setup_ui()
@@ -464,8 +459,8 @@ class BatteryTester(QMainWindow):
         
         # Status update timer
         self.status_timer = QTimer()
-        self.status_timer.timeout.connect(self.update_status)
+        self.status_timer.timeout.connect(self.update_status_and_plot)
-        self.status_timer.start(1000)  # Update every second
+        self.status_timer.start(1000) #every second
 
     def setup_ui(self):
         """Configure the user interface"""
@@ -785,23 +780,33 @@ class BatteryTester(QMainWindow):
             self.rest_time_input.show()
             self.continuous_mode_check.show()
             self.start_button.setText("START CYCLE TEST")
+            self.start_button.setEnabled(True)  # Explicitly enable
         elif mode_name == "Discharge Test":
             self.discharge_cutoff_label.show()
             self.discharge_cutoff_input.show()
             self.start_button.setText("START DISCHARGE")
+            self.start_button.setEnabled(True)  # Explicitly enable
         elif mode_name == "Charge Test":
             self.charge_cutoff_label.show()
             self.charge_cutoff_input.show()
             self.start_button.setText("START CHARGE")
+            self.start_button.setEnabled(True)  # Explicitly enable
         elif mode_name == "Live Monitoring":
             self.record_button.show()
             self.start_button.setText("START MONITORING")
-            self.start_button.setEnabled(False)
+            # Only enable start button if device is connected
+            self.start_button.setEnabled(self.session_active)
             
+        # Reset measurement state
+        self.reset_test()
+        
         self.status_bar.showMessage(f"Mode changed to {mode_name}")
 
     def reset_test(self):
         """Reset test state without stopping measurement"""
+        # Reset Downsampling
+        self.downsample_factor = 1
+        self.downsample_counter = 0
         # Clear data buffers
         with self.plot_mutex:
             self.time_data.clear()
@@ -908,55 +913,33 @@ class BatteryTester(QMainWindow):
         self.main_layout.addWidget(self.canvas, 1)
 
     def init_device(self):
-        """Initialize the ADALM1000 with proper connection checks"""
+        """Initialize the ADALM1000 device with continuous measurement"""
         try:
-            # Cleanup previous session
+            # Clean up any existing session
             if hasattr(self, 'session'):
                 try:
                     self.session.end()
                     del self.session
                 except:
                     pass
-
+                    
-            # Hardware reset delay
             time.sleep(1)
-
+            
-            try:
+            self.session = pysmu.Session(ignore_dataflow=True, queue_size=10000)
-                self.session = pysmu.Session(ignore_dataflow=True, queue_size=10000)
+            if not self.session.devices:
-                if not self.session.devices:
+                raise Exception("No ADALM1000 detected - check connections")
-                    raise Exception("Kein ADALM1000 erkannt - Verbindung prüfen")
-            except Exception as e:
-                if "resource busy" in str(e).lower():
-                    raise Exception("ADALM1000 wird bereits von einem anderen Programm verwendet")
-                raise
 
             self.dev = self.session.devices[0]
-            
-            # Set safe defaults
             self.dev.channels['A'].mode = pysmu.Mode.HI_Z
             self.dev.channels['B'].mode = pysmu.Mode.HI_Z
             self.dev.channels['A'].constant(0)
             self.dev.channels['B'].constant(0)
             
-            # Connection test with actual measurement
-            try:
-                samples = self.dev.read(5, 500, True)  # 5 samples for stability
-                if not samples:
-                    raise DeviceDisconnectedError("Keine Messwerte empfangen")
-                
-                # Check if we're getting valid data (not just noise)
-                voltages = [s[1][0] for s in samples]  # Channel B voltages
-                if all(abs(v) < 0.0001 for v in voltages):  # 100µV threshold
-                    self.status_bar.showMessage("Gerät verbunden, aber keine Batterie angeschlossen")
-            except Exception as e:
-                raise DeviceDisconnectedError(f"Verbindungstest fehlgeschlagen: {str(e)}")
-
             self.session.start(0)
-            
+
-            # Update UI
+            self.status_light.setStyleSheet(f"background-color: green; border-radius: 10px;")
-            self.status_light.setStyleSheet("background-color: green; border-radius: 10px;")
+            self.connection_label.setText("Connected")
-            self.connection_label.setText("Verbunden")
+            self.status_bar.showMessage("Device connected | Ready to measure")
-            self.status_bar.showMessage("Gerät bereit - Batterie anschließen um zu messen")
             self.session_active = True
             self.start_button.setEnabled(True)
 
@@ -975,13 +958,52 @@ class BatteryTester(QMainWindow):
             # Only store data if in a test or recording
             if not (self.test_running or self.record_button.isChecked()):
                 return
-                
+            
+            # 1. Originale Daten immer vollständig speichern (für Berechnungen und Logging)
             with self.plot_mutex:
                 self.time_data.append(current_time)
                 self.voltage_data.append(voltage)
                 self.current_data.append(current)
                 
-                # Update display labels
+                # 2. Downsampling für die Anzeige
+                if not hasattr(self, 'aggregation_buffer'):
+                    self.aggregation_buffer = {
+                        'time': [], 'voltage': [], 'current': [], 
+                        'count': 0, 'last_plot_time': 0
+                    }
+                
+                self.aggregation_buffer['time'].append(current_time)
+                self.aggregation_buffer['voltage'].append(voltage)
+                self.aggregation_buffer['current'].append(current)
+                self.aggregation_buffer['count'] += 1
+                
+                # Nur aggregieren wenn genug Daten oder Zeit vergangen
+                now = time.time()
+                if (self.aggregation_buffer['count'] >= self.downsample_factor or 
+                    now - self.aggregation_buffer['last_plot_time'] >= 1.0):
+                    
+                    # Berechne aggregierte Werte (Mittelwert)
+                    agg_time = np.mean(self.aggregation_buffer['time'])
+                    agg_voltage = np.mean(self.aggregation_buffer['voltage'])
+                    agg_current = np.mean(self.aggregation_buffer['current'])
+                    
+                    # Für die Anzeige verwenden
+                    if not hasattr(self, 'display_time_data'):
+                        self.display_time_data = deque(maxlen=self.max_points_to_keep)
+                        self.display_voltage_data = deque(maxlen=self.max_points_to_keep)
+                        self.display_current_data = deque(maxlen=self.max_points_to_keep)
+                    
+                    self.display_time_data.append(agg_time)
+                    self.display_voltage_data.append(agg_voltage)
+                    self.display_current_data.append(agg_current)
+                    
+                    # Reset Buffer
+                    self.aggregation_buffer = {
+                        'time': [], 'voltage': [], 'current': [], 
+                        'count': 0, 'last_plot_time': now
+                    }
+                
+                # 3. Originale Funktionalität für Berechnungen beibehalten
                 self.voltage_label.setText(f"{voltage:.4f}")
                 self.current_label.setText(f"{abs(current):.4f}")
                 self.time_label.setText(self.format_time(current_time))
@@ -995,8 +1017,11 @@ class BatteryTester(QMainWindow):
                     self.energy += power * delta_t / 3600  # Convert to Wh
                     self.energy_label.setText(f"{self.energy:.4f}")
                 
-                # Plot updates throttled to 10Hz
+                # 4. Auto-Skalierung anpassen
-                now = time.time()
+                if len(self.time_data) > self.max_points_to_keep * 1.5:
+                    self.adjust_downsampling()
+                
+                # 5. Plot updates throttled to 10Hz
                 if not hasattr(self, '_last_plot_update'):
                     self._last_plot_update = 0
                 
@@ -1006,6 +1031,48 @@ class BatteryTester(QMainWindow):
                     
         except Exception as e:
             print(f"Error in update_measurements: {e}")
+            import traceback
+            traceback.print_exc()
+            # Versuche den Aggregationsbuffer zu retten
+            if hasattr(self, 'aggregation_buffer'):
+                agg_buffer = self.aggregation_buffer
+                if agg_buffer['count'] > 0:
+                    try:
+                        with self.plot_mutex:
+                            if not hasattr(self, 'display_time_data'):
+                                self.display_time_data = deque(maxlen=self.max_points_to_keep)
+                                self.display_voltage_data = deque(maxlen=self.max_points_to_keep)
+                                self.display_current_data = deque(maxlen=self.max_points_to_keep)
+                            
+                            self.display_time_data.append(np.mean(agg_buffer['time']))
+                            self.display_voltage_data.append(np.mean(agg_buffer['voltage']))
+                            self.display_current_data.append(np.mean(agg_buffer['current']))
+                    except:
+                        pass
+            self.aggregation_buffer = {
+                'time': [], 'voltage': [], 'current': [], 
+                'count': 0, 'last_plot_time': time.time()
+            }
+
+    def adjust_downsampling(self):
+        current_length = len(self.time_data)
+        if current_length > self.max_points_to_keep * 1.5:
+            # Exponentiell erhöhen, aber max. 64
+            new_factor = min(64, max(1, self.downsample_factor * 2))
+        elif current_length < self.max_points_to_keep // 2:
+            # Halbieren, aber min. 1
+            new_factor = max(1, self.downsample_factor // 2)
+        else:
+            return
+        
+        if new_factor != self.downsample_factor:
+            self.downsample_factor = new_factor
+            self.status_bar.showMessage(
+                f"Downsampling: Factor {self.downsample_factor}", 2000)
+    def update_status_and_plot(self):
+        """Combined status and plot update"""
+        self.update_status()
+        self.update_plot()
 
     def update_status(self):
         """Update status information periodically"""
@@ -1818,45 +1885,38 @@ class BatteryTester(QMainWindow):
         # 5. Force immediate redraw
         self.canvas.draw()
 
+    def update_status_and_plot(self):
+        """Combined status and plot update"""
+        self.update_status()
+        self.update_plot()
+
     def update_plot(self):
-        """More reliable plotting with better error handling"""
+        """More robust plotting with error handling"""
         try:
-            # Create local copies safely
+            # Create local copies of data safely
             with self.plot_mutex:
-                if not self.time_data or not self.voltage_data or not self.current_data:
+                if not self.display_time_data:
                     return
                     
-                if len(self.time_data) != len(self.voltage_data) or len(self.time_data) != len(self.current_data):
+                x_data = np.array(self.display_time_data)
-                    # Find the minimum length to avoid mismatch
+                y1_data = np.array(self.display_voltage_data)
-                    min_len = min(len(self.time_data), len(self.voltage_data), len(self.current_data))
+                y2_data = np.array(self.display_current_data)
-                    x_data = np.array(self.time_data[-min_len:])
-                    y1_data = np.array(self.voltage_data[-min_len:])
-                    y2_data = np.array(self.current_data[-min_len:])
-                else:
-                    x_data = np.array(self.time_data)
-                    y1_data = np.array(self.voltage_data)
-                    y2_data = np.array(self.current_data)
             
             # Update plot data
             self.line_voltage.set_data(x_data, y1_data)
             self.line_current.set_data(x_data, y2_data)
             
             # Auto-scale when needed
-            if len(x_data) > 0 and x_data[-1] > self.ax.get_xlim()[1] * 0.8:
+            if len(x_data) > 1:
                 self.auto_scale_axes()
             
             # Force redraw
             self.canvas.draw_idle()
             
         except Exception as e:
-            print(f"Plot update error: {e}")
+            print(f"Plot error: {e}")
-            import traceback
+            # Attempt to recover
-            traceback.print_exc()
+            self.reset_plot()
-            # Reset plot on error
-            with self.plot_mutex:
-                self.line_voltage.set_data([], [])
-                self.line_current.set_data([], [])
-            self.canvas.draw_idle()
 
     def auto_scale_axes(self):
         """Auto-scale plot axes with appropriate padding and strict boundaries"""
@@ -1890,39 +1950,33 @@ class BatteryTester(QMainWindow):
 
     @pyqtSlot(str)
     def handle_device_error(self, error):
-        """Handle errors with proper state management"""
+        """Handle device connection errors"""
         error_msg = str(error)
-        print(f"Fehler: {error_msg}")
+        print(f"Device error: {error_msg}")
 
-        # Special cases
-        if "resource busy" in error_msg.lower():
-            error_msg = "ADALM1000 is already in use"
-        elif "no samples" in error_msg.lower():
-            error_msg = "No measurments - Check connection"
-
-        # Cleanup
         if hasattr(self, 'session'):
             try:
                 if self.session_active:
                     self.session.end()
                 del self.session
-            except:
+            except Exception as e:
-                pass
+                print(f"Error cleaning up session: {e}")
 
-        # Update UI
+        self.status_light.setStyleSheet(f"background-color: red; border-radius: 10px;")
-        self.status_light.setStyleSheet("background-color: red; border-radius: 10px;")
         self.connection_label.setText("Disconnected")
-        self.status_bar.showMessage(f"Error: {error_msg}")
+        self.status_bar.showMessage(f"Device error: {error_msg}")
-        
+
-        # Disable controls
         self.session_active = False
         self.test_running = False
+        self.continuous_mode = False
+        self.measuring = False
+        
         self.start_button.setEnabled(False)
         self.stop_button.setEnabled(False)
 
-        # Attempt recovery for certain errors
+        self.time_data.clear()
-        if "no samples" in error_msg.lower() or "resource busy" in error_msg.lower():
+        self.voltage_data.clear()
-            QTimer.singleShot(3000, self.reconnect_device)
+        self.current_data.clear()
     
     @pyqtSlot(str)
     def update_test_phase(self, phase_text):