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Author: SabrineBH

src/canmatrix/formats/dbc.py

@@ -584,6 +584,9 @@ def add_frame_by_id(new_frame):  # type: (canmatrix.Frame) -> None
                         receivers=receiver,
                         **extras
                     )
+                    if not temp_signal.is_little_endian:
+                        # startbit of motorola coded signals are MSB in dbc
+                        temp_signal.set_startbit(int(temp.group(2)), bitNumbering=1)
                     frame.add_signal(temp_signal)
     #                db.frames.addSignalToLastFrame(tempSig)
                 else:
@@ -634,9 +637,11 @@ def add_frame_by_id(new_frame):  # type: (canmatrix.Frame) -> None
                     if is_complex_multiplexed or is_multiplexer:
                         temp_signal.is_multiplexer = True
                         temp_signal.multiplex = 'Multiplexor'
-
+                        
+                    if not temp_signal.is_little_endian:
+                        # startbit of motorola coded signals are MSB in dbc
+                        temp_signal.set_startbit(int(temp.group(3)), bitNumbering=1)
                     frame.add_signal(temp_signal)
-
                     if is_complex_multiplexed:
                         frame.is_complex_multiplexed = True
 

src/canmatrix/formats/fibex.py

@@ -81,7 +81,7 @@ def create_signal_instance(parent, signal, signal_id):
     # type: (_Element, Signal, str) -> _Element
     signal_instance = create_sub_element_fx(parent, "SIGNAL-INSTANCE")
     signal_instance.set("ID", "PDUINST_" + signal_id)
-    create_sub_element_fx(signal_instance, "BIT-POSITION", str(signal.start_bit))
+    create_sub_element_fx(signal_instance, "BIT-POSITION", str(signal.get_startbit(bit_numbering=1))
     create_sub_element_fx(signal_instance, "IS-HIGH-LOW-BYTE-ORDER", "false" if signal.is_little_endian else "true")
     return signal_instance