CANoe DENoe - KEMT FEI TUKE

9.14.8 Weird Spurious Events from MOST bus
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In some rare cases there might be some spurious events from the MOST bus. This
may include invalid timestamps or even random data. There are some plausibility
checks performed on the timestamps which should detect these events. In order to
avoid an impairment of the time synchronization the timestamps of these events will
be set to the recent simulation time of CANoe. The events will be shown in the trace
window and logging file and will be reported in the write window as ‘weird time
stamp’.
This problem seems to be provoked by a high overall load (CAN and MOST) or a
slow PC. Please try to reduce the load by
• Disabling unused analysis functions of CANoe
• using HW filtering of the Optolyzer in spy mode
• activating acceptance masks in the CAN chip setup
• using a faster PC
This problem is difficult to reproduce and seems to be related with the ActiveX control.
It will be investigated further and solved as soon as possible.
9.14.9 Transmit Acknowledgement
When using older versions of the Optolyzer ActiveX Control (versions before 2.1.1),
transmit acknowledgements for the transmission of a MOST control frame do not
have a hardware generated timestamp. So the ‘origtimestamp’ is set to zero and the
synchronized timestamp is set to an estimated value depending on the time of reception
of the acknowledgement.
These timestamps are shown with a trailing ‘?’ in the trace window to indicate that
these events are not exactly in chronological order with the other events.
9.14.10 Timestamps of CAN and MOST constantly drift apart
Time synchronization only works with CAN driver versions from 3.4 and later. Please
install the drivers enclosed in this distribution, or visit our web site at
http://www.vector-informatik.de to download the drivers.
Ensure that the check box ‘Synchronize Hardware’ is enabled in the Global Settings
tab of the CAN Driver Configuration dialog.
9.14.11 Measurement stops after configuration of trace window
In some cases the measurement will be stopped immediately if the configuration dialog
of a trace window is opened during measurement. This problem can be traced
back to an improper installation of the ActiveX control OptoControl.
Please try to reinstall the OptoControl. First deinstall OptoControl using Windows
(Settings, Control Panel, Add/Remove Software). Ensure that there are no entries
belonging to the OptoControl left in the registry (search for "*opto*"). Than install OptoControl
again. Use the version provided on the CANoe CD according to the used
operating system (on the CD under Drivers\Optolyzer\OptoControl).
© Vector Informatik GmbH CANoe/DENoe Manual Version 4.1.1