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Title: Saleae Logic Analyzer logs of different communication connections Post by: Tony@NefMoto on April 28, 2011, 10:27:15 PM This is a selection of communication logs of starting slow init and fast init communication connections with a 2001.5 Audi S4 MBox ECU. You will need to use the Saleae software to view the logs.
The logs include: -VCDS 10.6 -NefMoto 1.7.1.0 -MonoScan 2.2.1 -Lemmiwinks -Unisettings -Torque for Android via ELM 327 All of the logs were created using a Saleae Logic - http://www.saleae.com All of the logs are attached to this post. Title: Re: Saleae Logic Analyzer logs of different communication connections Post by: RaraK on May 09, 2011, 08:25:05 PM Very cool Tony, how do you like that device? Looks fairly easy to use?
We have some serious logic analyzers at work, im scared to touch them though :) Our engineers are surprisingly nice about "borrowing" equipment since I do all the beta stuff for them :) I just dont have a clue how to operate the ones we have. FYI i downloaded the software to the site Tony linked, you can load the logic data files to see it easy that way. Title: Re: Saleae Logic Analyzer logs of different communication connections Post by: Tony@NefMoto on May 10, 2011, 10:53:39 AM I really like the Saleae, it is very easy to use, but $150 is more then I would like to spend.
I also looked at the Openbench Logic Sniffer which is about $50, but it has a limited sample size. The Saleae streams the data over USB so you can have a HUGE sample size. Almost all of these logic analyzers have a voltage range of +/- 5v, so to log the OBD communication, you need a couple resistors to make a voltage divider, to bring the voltage down from 12v to 5v. |