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Thread: PLX SM AFR Serial

  1. #21
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    Quote Originally Posted by Blacky View Post
    Ahh, I see. So a single wideband controller sends sensor data as if from 4 different sensors. Nothing has "changed" in the PLX implementation, it is EFILive's implementation of the PLX serial protocol that is a bit naive. It assumes (incorrectly) that only a single sensor data packet will be transmitted from a single wide band controller.

    Depending on the complexity of the fix, it may make it into the next public release due out in a day or two.
    If not, then it will be in the next update. The schedule for that update is not yet decided.

    Regards
    Paul
    Yes you are exactly right. When you scroll through the gauge with only one wideband connected, it will still show the battery voltage and sensor info. You can connect additional sensors and then all the data will be through the same TX pins. Attached is the address location and sensor type.

    Click image for larger version. 

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    And here is an example they provided if two wideband and an EGT is used.

    Example: 2 SM-AFR and 1 SM-EGT
    Address for First SM-AFR = 0
    Data from First SM-AFR = 4
    Address for Second SM-AFR = 0
    Data from Second SM-AFR = 5
    Address for SM-EGT = 1
    Data from SM-EGT = 15
    0x80
    0x00 First SM-AFR Address MSB
    0x00 First SM-AFR Address LSB
    0x00 First SM-AFR Instance
    0x00 First SM-AFR Data MSB
    0x04 First SM-AFR Data LSB
    0x00 Second SM-AFR Address MSB
    0x00 Second SM-AFR Address LSB
    0x01 Second SM-AFR Instance *Instance is automatically incremented by 1 if there is the same sensor module address on the chain.
    0x00 Second SM-AFR Data MSB
    0x05 Second SM-AFR Data LSB
    0x00 SM-EGT Address MSB
    0x01 SM-EGT Address LSB
    0x00 SM-EGT Instance
    0x00 SM-EGT Data LSB
    0x0F SM-EGT Data MSB
    0x40
    (Repeats 100mS from time of start bit)
    I hope this is updated in a day or two as i was nearly gonna order a new wideband kit.

    Thanks again for all your help.

  2. #22
    EFILive Developer Site Admin Blacky's Avatar
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    Quote Originally Posted by ne0c0de View Post
    Attached is the address location and sensor type.
    Thanks for the address table update, I was looking at an older/incomplete table that only went up to 20 (in the serial protocol PDF document).

    Regards
    Paul
    Before asking for help, please read this.

  3. #23
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    Quote Originally Posted by Blacky View Post
    Thanks for the address table update, I was looking at an older/incomplete table that only went up to 20 (in the serial protocol PDF document).

    Regards
    Paul
    No Problem as long as the update is coming soon

  4. #24
    EFILive Developer Site Admin Blacky's Avatar
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    Quote Originally Posted by ne0c0de View Post
    No Problem as long as the update is coming soon
    It is fixed now and working correctly on our test jig - after adding two additional (non-wideband) sensor values to our wide band O2 serial data simulator.
    It will be available in the public release due out very, very soon.

    Regards
    Paul
    Before asking for help, please read this.

  5. #25
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    Quote Originally Posted by Blacky View Post
    It is fixed now and working correctly on our test jig - after adding two additional (non-wideband) sensor values to our wide band O2 serial data simulator.
    It will be available in the public release due out very, very soon.

    Regards
    Paul
    Wow Paul that was quick. I hope the update comes soon so I can finish what I have left pending.

    Also Paul, I know its the wrong thread but I don't find B5220 in the 2017 GM Trucks which helps me in setting a hard rev-limiter. It was available in 2016. Can you have it added? Also is there a no read protection coming for the 17 ? It would be really be helpful to protect the tunes.

    Thanks

  6. #26
    Forum tyhee Site Admin GMPX's Avatar
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    B5220 has not been located in the later OS's (2016+), the parameter is just an 8bit 0 or 1 , needle in a haystack stuff.
    The read protection on the ECM's that require an Auth-Code is a problem, we have not been able to come up with a workable solution to that yet.
    Need official EFILive help, please go here.
    For tuning support please post your questions on this forum (or other auto forums).
    Sorry if I don't respond to your PM, don't take it personal.


  7. #27
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    Quote Originally Posted by GMPX View Post
    B5220 has not been located in the later OS's (2016+), the parameter is just an 8bit 0 or 1 , needle in a haystack stuff.
    The read protection on the ECM's that require an Auth-Code is a problem, we have not been able to come up with a workable solution to that yet.
    Thanks GMPX cause i have another tuner with HPT and he emailed them and they said it does not exist. It was weird cause i don't think the factory would remove the option and make it to not exist.

    Thanks again for looking for me. Hope you find it by accident

  8. #28
    Forum tyhee Site Admin GMPX's Avatar
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    Well, that'll be why we couldn't find that parameter in the later OS's then
    Need official EFILive help, please go here.
    For tuning support please post your questions on this forum (or other auto forums).
    Sorry if I don't respond to your PM, don't take it personal.


  9. #29
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    Quote Originally Posted by GMPX View Post
    Well, that'll be why we couldn't find that parameter in the later OS's then
    LOL ... Gr8.

    And now I have to find something else to get the hard banging rev limiters ...

    Most of them come up to the shop and say Speed limit and RPM Limiter. Now they have to wait a while ...

  10. #30
    EFILive Developer Site Admin Blacky's Avatar
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    Just posted an update which has the PLX fix here: https://forum.efilive.com/showthread...ublic-Release)
    Before asking for help, please read this.

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