Datalogging: Triggered Logging

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Datalogging: Triggered Logging

Postby stanglx2002 » Wed Nov 01, 2017 12:28 pm

I'm having trouble with "Triggered Logging" and the "Stop Logging When" function. My goal is to manually start the datalogging when I want to, but when I shut the car off I want the datalog session to be automatically stopped.

I currently use the function of Simple: rpm<500. It works as long as you dont go offline.

Question: Do I have the correct trigger or is there a better configuration?
88 Mustang GT 331 Stroker w/ AOD, MSPNP Gen2 (MS2/Extra 3.4.2) w/ LC-2 WB running TFI ignition
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Re: Datalogging: Triggered Logging

Postby krisr » Thu Nov 02, 2017 4:43 am

I tried triggered logging today too and it wouldn't stop...

Start: tps > 95
Stop: rpm < 3500

Started logging no probs, but because I changed from button to trigger I couldn't stop the log.

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Re: Datalogging: Triggered Logging

Postby whittlebeast » Thu Nov 02, 2017 7:39 am

You should be able to change the log length limit to say 2 min and then have it not start a new log.
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Re: Datalogging: Triggered Logging

Postby stanglx2002 » Thu Nov 02, 2017 9:21 am

I understand you could do a time based one stop trigger...

I like to make different datalog lengths:
- Commute to and from work - 30-45 minutes
- Quick trips to the gas station/grocery store 5-15 minutes
- etc

I dont want to have to stop the datalog each time, but also not be limited to a set time as well. Is there another stop trigger that can be used to stop the datalog upon turning off the engine?
88 Mustang GT 331 Stroker w/ AOD, MSPNP Gen2 (MS2/Extra 3.4.2) w/ LC-2 WB running TFI ignition
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Re: Datalogging: Triggered Logging

Postby Brian H EFI » Thu Nov 02, 2017 2:21 pm

Unfortunately it will not be possible to stop logging based on the connection status or the ignition state, and using a runtime variable will not work either because if the ECU looses connection the output channels no longer get updated and so the RPM limit will never read below 500 even though it technically now reads zero on the gauge. That is why it works when you do not go offline, TS gets a read that the RPM has gone below the set limit.

We are going to look into another solution for a future release.
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Re: Datalogging: Triggered Logging

Postby LT401Vette » Thu Nov 02, 2017 8:45 pm

Yes, I played with this today.
There are a couple options if you use an expression that includes AppEvent channels like controllerOnline, so I thought this should be doable.
However, the trouble is, the evaluation only takes place when runtime data is read. So, when it does go offline from a key off, there are not more runtime evaluations. In the beta, I will be adding some mechanism to trigger a re-evaluation of the expression.
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Re: Datalogging: Triggered Logging

Postby stanglx2002 » Fri Nov 03, 2017 7:03 am

Thank you for looking into this as I believe this would be a great feature that I know more than I would be using.

Please let me know if this able to be added to TS, and I will try it out immediately.
88 Mustang GT 331 Stroker w/ AOD, MSPNP Gen2 (MS2/Extra 3.4.2) w/ LC-2 WB running TFI ignition
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