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CANoe DENoe - KEMT FEI TUKE

CANoe DENoe - KEMT FEI TUKE

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Command from driver not supported (6,11,1528)<br />

<strong>CANoe</strong> has sent a command to the card driver which it or the firmware does not<br />

recognize. Example: A bus statistics request to a card without the appropriate<br />

logic.<br />

RX buffer overrun (101)<br />

The receive buffer could not accept any more received messages.<br />

There are several methods for remedying this situation:<br />

• Insert breaks in branches of the data flow plan which are not needed. In an extreme<br />

case the statistics block, data block and trace block can be disconnected<br />

by breaks. The measurement is recorded with the logging block and afterwards<br />

is evaluated offline.<br />

• For Basic-CAN controllers a reduction in the data stream can be achieved by<br />

acceptance filtering. Except in special applications the second controller in particular<br />

may be completely disconnected by this method.<br />

• For Full-CAN controllers data reduction can be accomplished by striking messages<br />

in the message setup in conjunction with filter blocks.<br />

• Switching-off the statistics report or other unnecessary options.<br />

RX register overrun (105)<br />

The Basic-CAN 82C200 controller has only two internal registers for accepting<br />

messages. At higher bus frequencies and higher message rates, newly arriving<br />

messages overwrite this buffer before the firmware can read out the register.<br />

Correction: Use acceptance filtering.<br />

Timeout (1080)<br />

Timeout while accessing card (4,232)<br />

Communication problems with the firmware occur during a measurement.<br />

Remedy: Terminate measurement and restart. If this does not help, the reset<br />

button can be pressed for some cards. Otherwise, the PC should be rebooted.<br />

Timeout during card initialization (0)<br />

No reply from the card (1400)<br />

No connection could be established with the firmware when the CAN card was<br />

initialized.<br />

TX buffer full, TX-REQUEST rejected (2)<br />

The transmit buffer is still full. The new transmit request cannot be processed.<br />

There are three possible reasons for this:<br />

© Vector Informatik GmbH <strong>CANoe</strong>/<strong>DENoe</strong> Manual Version 4.1.1<br />

77

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