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Thread: How to turn on "show me everything on the bus, please" mode

  1. #11
    VENDOR - ScanTool Vitaliy's Avatar
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    Quote Originally Posted by chewtoy View Post
    Dave, the truth is that the elm chip wasn't really designed to allow an unfiltered can bus to be viewed. There seems to be some work arounds, but thats just what they are.. Work arounds.
    OBDLink is not ELM. It emulates the ELM327 command set, but is much more versatile: it allows you to set up multiple pass and block filters to zero in on the message of interest. There are tools that come with better "hacking" software, but none of them are cheap (Intrepid's Vehicle Spy is $2400).

    Oh, and OBDLink supports faster baud rates and has a much deeper CAN buffer, which allows it to keep up with the CAN traffic even with no filtering at all.

    Vitaliy
    OBDLink MX: world's smallest, fastest, most advanced OBD/Bluetooth adapter with SW and MS CAN support. Read the review to learn more.
    — Need to look up a diagnostic trouble code? Try the most up-to-date, free DTCsearch.com!

    You cannot send me a private message using this forum. Use my email instead: vitaliy[@]scantool.net.

  2. #12
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    Quote Originally Posted by Vitaliy View Post
    OBDLink is not ELM. It emulates the ELM327 command set, but is much more versatile: it allows you to set up multiple pass and block filters to zero in on the message of interest. There are tools that come with better "hacking" software, but none of them are cheap (Intrepid's Vehicle Spy is $2400).

    Oh, and OBDLink supports faster baud rates and has a much deeper CAN buffer, which allows it to keep up with the CAN traffic even with no filtering at all.

    Vitaliy
    Cool.. How many filters can you set? Is there a non-elm API?
    Hack your car's CAN BUS at www.canbushack.com

  3. #13
    VENDOR - ScanTool Vitaliy's Avatar
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    Besides emulating ELM327 "AT" commands, OBDLink and other STN11xx-based interfaces support a parallel "ST" command set:

    STN1100 Family Reference and Programming Manual

    The filters are created dynamically, so there is no fixed limit. I mean, if you really try, eventually you can create so many that you will run out of available RAM. But for all intents and purposes, there is no limit.
    OBDLink MX: world's smallest, fastest, most advanced OBD/Bluetooth adapter with SW and MS CAN support. Read the review to learn more.
    — Need to look up a diagnostic trouble code? Try the most up-to-date, free DTCsearch.com!

    You cannot send me a private message using this forum. Use my email instead: vitaliy[@]scantool.net.

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