refactored heavily

2026-05-17 17:00:48 +02:00
parent deee78e2d5
commit dc05be751b
11 changed files with 685 additions and 638 deletions
@@ -0,0 +1,51 @@
+# ---------------------------------------------------------------------------
+# GNSS Lese-Thread
+# ---------------------------------------------------------------------------
+import socket
+
+import serial
+from PyQt5.QtCore import QThread, pyqtSignal
+
+from ubx import UbxPacketizer, build_poll, UBX_CLASS_NAV, UBX_ID_NAV_SAT, extract_satellites
+
+class GnssReader(QThread):
+    satellites_updated = pyqtSignal(list)
+    error_occurred     = pyqtSignal(str)
+    connected          = pyqtSignal(str)
+
+    def __init__(self, transport_factory):
+        super().__init__()
+        self._factory   = transport_factory
+        self._running   = False
+        self._transport = None
+        self.packetizer = UbxPacketizer()
+
+    def run(self):
+        self._running = True
+        buf = b""
+        try:
+            self._transport = self._factory()
+            self.connected.emit("Verbunden")
+            poll_msg = build_poll(UBX_CLASS_NAV, UBX_ID_NAV_SAT)
+            self._transport.write(poll_msg)
+
+            while self._running:
+                chunk = self._transport.read(512)
+                frames = self.packetizer.on_recv(chunk)
+                sats   = extract_satellites(frames)
+                if sats:
+                    self.satellites_updated.emit(sats)
+                else:
+                    # Kein Datum – erneut pollen
+                    self._transport.write(poll_msg)
+
+        except (serial.SerialException, OSError, ConnectionRefusedError,
+                socket.timeout, socket.gaierror) as exc:
+            self.error_occurred.emit(str(exc))
+        finally:
+            if self._transport:
+                self._transport.close()
+
+    def stop(self):
+        self._running = False
+        self.wait(3000)