Support for 480x480 HDMI display, optimized sensor polling, and touch tools

main.py

@@ -14,29 +14,118 @@ except ImportError:
     HAS_W1 = False
     print("Warning: w1thermsensor not found. Running in simulation mode.")
 
+from PySide6.QtCore import QObject, Property, Signal, Slot, QTimer, QThread
+
+class SensorWorker(QObject):
+    tempsUpdated = Signal(float, float) # left, right
+
+    def __init__(self, config, demo_mode=False):
+        super().__init__()
+        self.config = config
+        self.demo_mode = demo_mode
+        self.running = False
+        self.left_sensor = None
+        self.right_sensor = None
+        self._sim_step = 0
+
+    def init_sensors(self):
+        if not HAS_W1:
+            return
+
+        print(f"Worker: Loading sensors from {self.config}")
+        try:
+            available_sensors = W1ThermSensor.get_available_sensors()
+            
+            # Left Sensor
+            left_id = self.config.get("left_sensor_id")
+            if left_id:
+                self.left_sensor = next((s for s in available_sensors if s.id == left_id), None)
+                if not self.left_sensor:
+                     # Fallback
+                     self.left_sensor = W1ThermSensor(sensor_id=left_id)
+            
+            # Auto-assign Left if missing but sensors exist
+            if not self.left_sensor and available_sensors:
+                self.left_sensor = available_sensors[0]
+
+            # Right Sensor
+            right_id = self.config.get("right_sensor_id")
+            if right_id:
+                self.right_sensor = W1ThermSensor(sensor_id=right_id)
+
+        except Exception as e:
+            print(f"Worker Error init sensors: {e}")
+
+    @Slot()
+    def start_polling(self):
+        self.running = True
+        self.init_sensors()
+        
+        while self.running:
+            left_val = 0.0
+            right_val = 0.0
+            
+            # --- Left Read ---
+            if self.left_sensor:
+                try:
+                    left_val = self.left_sensor.get_temperature()
+                    # print(f"L: {left_val}") 
+                except: pass
+            elif self.demo_mode:
+                self._sim_step += 0.1
+                left_val = 5 + 10 * math.sin(self._sim_step)
+
+            # --- Right Read ---
+            if self.right_sensor:
+                try:
+                    right_val = self.right_sensor.get_temperature()
+                except: pass
+            elif self.demo_mode:
+                right_val = 10 + 10 * math.cos(self._sim_step)
+
+            # Emit result
+            self.tempsUpdated.emit(left_val, right_val)
+            
+            # Sleep (30 seconds)
+            QThread.msleep(30000)
+
+    @Slot()
+    def stop(self):
+        self.running = False
+
 class Backend(QObject):
     leftTempChanged = Signal()
     rightTempChanged = Signal()
 
     def __init__(self, demo_mode=False):
         super().__init__()
-        self.demo_mode = demo_mode
         self._left_temp = 0.0
         self._right_temp = 0.0
         
-        self.left_sensor = None
-        self.right_sensor = None
-        
         # Load Config
         self.config = self.load_config()
         
-        # Initialize Sensors
+        # Setup Threading
-        self.init_sensors()
+        self.thread = QThread()
+        self.worker = SensorWorker(self.config, demo_mode)
+        self.worker.moveToThread(self.thread)
         
-        # Timer for polling
+        # Connect signals
-        self.timer = QTimer()
+        self.thread.started.connect(self.worker.start_polling)
-        self.timer.timeout.connect(self.update_temps)
+        self.worker.tempsUpdated.connect(self.handle_temps_update)
-        self.timer.start(2000) # Poll every 2 seconds
+        
+        # Start
+        self.thread.start()
+
+    def handle_temps_update(self, left, right):
+        # Update Properties (This runs on Main Thread)
+        if abs(self._left_temp - left) > 0.1:
+            self._left_temp = left
+            self.leftTempChanged.emit()
+            
+        if abs(self._right_temp - right) > 0.1:
+            self._right_temp = right
+            self.rightTempChanged.emit()
 
     def load_config(self):
         # Determine path based on run mode (Script vs Frozen/Compiled)
@@ -56,99 +145,21 @@ class Backend(QObject):
                 print(f"Error loading config: {e}")
         return {}
 
-    def init_sensors(self):
+    # Cleanup
-        if not HAS_W1:
+    def stop(self):
-            print("W1ThermSensor not installed.")
+        if self.worker:
-            return
+            self.worker.stop()
-
+        self.thread.quit()
-        print(f"Loading sensors using config: {self.config}")
+        self.thread.wait()
-        try:
-            available_sensors = W1ThermSensor.get_available_sensors()
-            print(f"Available W1 sensors: {[s.id for s in available_sensors]}")
-            
-            # Map Left Sensor
-            left_id = self.config.get("left_sensor_id")
-            if left_id:
-                try:
-                    # Check if ID exists in available to be sure
-                    found = next((s for s in available_sensors if s.id == left_id), None)
-                    if found:
-                        self.left_sensor = found
-                        print(f"✅ Successfully bound Left Sensor to {left_id}")
-                    else:
-                        print(f"❌ Configured Left Sensor {left_id} not found in available list!")
-                        # Try direct init anyway just in case
-                        self.left_sensor = W1ThermSensor(sensor_id=left_id)
-                except Exception as e:
-                    print(f"❌ Failed to bind Left Sensor {left_id}: {e}")
-            
-            # Auto-assign fallback
-            if not self.left_sensor and len(available_sensors) > 0:
-                self.left_sensor = available_sensors[0]
-                print(f"⚠️ Auto-assigned Left Sensor to {self.left_sensor.id}")
-
-            # Map Right Sensor
-            right_id = self.config.get("right_sensor_id")
-            if right_id:
-                try:
-                    self.right_sensor = W1ThermSensor(sensor_id=right_id)
-                    print(f"Bound Right Sensor to {right_id}")
-                except Exception as e:
-                    print(f"Failed to bind Right Sensor {right_id}: {e}")
-
-        except Exception as e:
-            print(f"Error initializing sensors: {e}")
-
-    def update_temps(self):
-        # Simulation counter
-        if not hasattr(self, '_sim_step'):
-            self._sim_step = 0
-        self._sim_step += 0.1
-
-        # Left
-        if self.left_sensor:
-            try:
-                t = self.left_sensor.get_temperature()
-                print(f"Left Sensor ({self.left_sensor.id}) Read: {t}°C")
-                self._set_left_temp(t)
-            except Exception as e:
-                print(f"Error reading left sensor: {e}")
-        elif self.demo_mode:
-            # Simulation
-            print("Left Sensor Missing - Simulating...")
-            sim_val = 5 + 10 * math.sin(self._sim_step)
-            self._set_left_temp(sim_val)
-
-        # Right
-        if self.right_sensor:
-            try:
-                t = self.right_sensor.get_temperature()
-                self._set_right_temp(t)
-            except Exception as e:
-                print(f"Error reading right sensor: {e}")
-        elif self.demo_mode:
-             # Simulation
-            sim_val = 10 + 10 * math.cos(self._sim_step)
-            self._set_right_temp(sim_val)
 
     @Property(float, notify=leftTempChanged)
     def leftTemp(self):
         return self._left_temp
 
-    def _set_left_temp(self, val):
-        if abs(self._left_temp - val) > 0.1:
-            self._left_temp = val
-            self.leftTempChanged.emit()
-
     @Property(float, notify=rightTempChanged)
     def rightTemp(self):
         return self._right_temp
 
-    def _set_right_temp(self, val):
-        if abs(self._right_temp - val) > 0.1:
-            self._right_temp = val
-            self.rightTempChanged.emit()
-
 def main():
     # Redirect output to log.txt
     sys.stdout = open("log.txt", "w", buffering=1)

main.qml

@@ -7,9 +7,9 @@ Window {
     visible: true
     title: "Volvo Display"
     
-    // For a circular display, we might want to hide the window frame 
+    // For a circular display, hide the window frame and go full screen
-    // if running full screen, but for now we keep it standard.
+    flags: Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint
-    // flags: Qt.FramelessWindowHint
+    visibility: Window.FullScreen
 
 
 

requirements.txt

@@ -1,4 +1,5 @@
 PySide6
 pyinstaller
 w1thermsensor
+evdev
 

run_pi.sh

@@ -54,6 +54,14 @@ export QT_QPA_EGLFS_ALWAYS_SET_MODE=1
 # export QT_LOGGING_RULES=qt.qpa.*=true
 # export QSGRENDERER_DEBUG=1
 
+# Hide Mouse Cursor
+export QT_QPA_EGLFS_HIDECURSOR=1
+export QT_QPA_FB_HIDECURSOR=1
+
+# Performance Tuning
+export QSG_RENDER_LOOP=basic 
+export QSG_INFO=1
+
 echo "Starting Volvo Display with platform: $TARGET_PLATFORM"
 
 if [ -f "./dist/volvodisplay" ]; then

verify_touch.py

@@ -0,0 +1,63 @@
+import evdev
+import sys
+import select
+
+def main():
+    print("--- Touch/Input Device Verifier ---")
+    
+    # List devices
+    devices = [evdev.InputDevice(path) for path in evdev.list_devices()]
+    
+    if not devices:
+        print("No input devices found! Check permissions (sudo?) or connections.")
+        return
+
+    target_device = None
+    
+    print(f"Found {len(devices)} devices:")
+    for i, dev in enumerate(devices):
+        print(f"  {i}: {dev.name} ({dev.phys}) - {dev.path}")
+        # Look for the known QinHeng device
+        if "CTP_CONTROL" in dev.name or "Touch" in dev.name:
+            target_device = dev
+
+    print("-" * 30)
+
+    if target_device:
+        print(f"Auto-selected likely touch device: {target_device.name}")
+        dev = target_device
+    else:
+        # Fallback to manual selection or just pick the last one? 
+        # For now, let's ask user or pick the first one if interactive
+        try:
+            sel = input(f"Select device ID (0-{len(devices)-1}): ")
+            dev = devices[int(sel)]
+        except:
+             print("Invalid selection. Exiting.")
+             return
+
+    print(f"\nListening to: {dev.name} ({dev.path})")
+    print("Touch the screen now! (Press Ctrl+C to stop)")
+    print("-" * 30)
+
+    try:
+        # Read loop
+        for event in dev.read_loop():
+            if event.type == evdev.ecodes.EV_ABS:
+                absevent = evdev.categorize(event)
+                code = evdev.ecodes.bytype[absevent.event.type][absevent.event.code]
+                if code == "ABS_X":
+                     print(f"X: {absevent.event.value}", end="  ")
+                elif code == "ABS_Y":
+                     print(f"Y: {absevent.event.value}")
+                     sys.stdout.flush()
+            elif event.type == evdev.ecodes.EV_KEY and event.code == 330: # BTN_TOUCH
+                 print(f"Touch {'DOWN' if event.value else 'UP'}")
+
+    except KeyboardInterrupt:
+        print("\nStopped.")
+    except Exception as e:
+        print(f"Error reading device: {e}")
+
+if __name__ == "__main__":
+    main()