IRNAS · valentinkauf · May 31, 2026
diff --git a/src/ppk2_api/ppk2_api.py b/src/ppk2_api/ppk2_api.py
@@ -167,26 +167,18 @@ def _convert_source_voltage(self, mV: int) -> Tuple[int, int]:

    def _read_metadata(self) -> str:
        """Read metadata"""
-        # try to get metadata from device
-        for _ in range(0, 5):
+        accumulated = ""
+        for _ in range(0, 10):
            read = self.ser.read(self.ser.in_waiting)
            time.sleep(0.1)
-
            if not read:
-                continue  # No data, try again
-
-            # Try decoding the data
+                continue
            try:
-                metadata = read.decode("utf-8")
+                accumulated += read.decode("utf-8")
            except UnicodeDecodeError:
-                # If decoding fails, try again in next iteration
                continue
-
-            # Check if the metadata is valid (i.e., contains "END")
-            if "END" in metadata:
-                return metadata
-
-        # If we exit the loop, it means we couldn't get valid metadata
+            if "END" in accumulated:
+                return accumulated
        raise ValueError("Could not retrieve valid metadata from the device.")

    def _parse_metadata(self, metadata: str) -> None: