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| Analyzing CANBus data https://www.8devices.com/community/viewtopic.php?f=16&t=933 |
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| Author: | dlederman [ 10 Mar 2016, 23:58 ] |
| Post subject: | Analyzing CANBus data |
I'm working with the 8devices USB2CAN device which successfully logged several sets of data from an automotive CANBus. While I am familiar with the CANBus message architecture (SOF, Arbitration, Data Field, etc.), I am having trouble relating the messages logged to the CANBus architecture. I used can-utils on an Ubuntu (Linux) PC. The specific command was: candump -l any,0:0,#FFFFFFFFlow Below is a sample of the data logged: (1457019889.244736) can0 20000088#000002000000007F My guess is that the string after can0 is the CANBus message. Can anyone tell me what format this is in? Is there an editor that I can use to decipher this? And what is the string in parentheses before (can0)? Thank you. |
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| Author: | krumboeck [ 11 Mar 2016, 15:40 ] |
| Post subject: | Re: Analyzing CANBus data |
| Author: | dlederman [ 11 Mar 2016, 18:32 ] |
| Post subject: | Re: Analyzing CANBus data |
Thanks for replying. The "low" appended at the end is a typo in my posting. The actual (and correct) command was: candump -l any,0:0,#FFFFFFFF Thank you again for your help. |
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| Author: | dlederman [ 26 Mar 2016, 13:03 ] |
| Post subject: | Re: Analyzing CANBus data |
[quote="krumboeck"] In you case the id indicates two errors: bus error and protocol violation Thanks again for replying. Can you suggest ways to clear the bus error and protocol violation mentioned in your post? |
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