Throttle Safety Value Warning

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17 Jan 2014 16:44 - 17 Jan 2014 16:47 #18586 by Tom Z
Throttle Safety Value Warning was created by Tom Z
I am using v4 firmware.
I am getting the following warning messages below loading models for a certain amount of times then it stops. I get this with my transmitter or emulator for the Devo 7e, 8, 10, 12.

When I first loaded my models into my Devo 10 I got the warning messages for every model I loaded Blade or Walkera for a certain amount of times then the message stopped (I do have the sticks calibrated).

I have been getting this in all the emulators also, warning messages for a certain amount of times loading models then it stops, or no waring messages loading the models many times then get the warning, or sometimes no warning at all no matter how many times I load the models.

Have any of you experienced this?
Is this a bug in the firmware?


Here is my safety setting for all of my models, Blade and Walkera

[safety]
Auto=min


Here are the warning messages.

Ch3 is 0%, safe value = -100%

Ch3 is 100%, safe value = -100%
Last edit: 17 Jan 2014 16:47 by Tom Z.

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17 Jan 2014 16:56 #18587 by FDR
Replied by FDR on topic Throttle Safety Value Warning
Is the flight mode switch in the correct position?

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17 Jan 2014 17:10 #18588 by vlad_vy
Replied by vlad_vy on topic Throttle Safety Value Warning
But for emulator?

I havn't such problem at all, with Devo8 or emulator.

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17 Jan 2014 17:17 #18590 by FDR
Replied by FDR on topic Throttle Safety Value Warning
The emulator has a flight mode switch too, you can switch it with the N key.
I've just tried, it produces such symptoms in the emulator too...

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17 Jan 2014 17:18 #18591 by Tom Z
Replied by Tom Z on topic Throttle Safety Value Warning
That was the problem, Thanks!!!
I have been loading and checking the models I made to post and I have been checking to make sure all the switch icons were correct and sometimes I must have had it in FMOD 1. That explains why I got the message sometimes and not other times. Then I left the FMOD switch in FMOD 0 and that is why the messages stopped.

This must be what is happening with the emulators also. I have the flight mode switch on sometimes by mistake (with the hot key on the keyboard) and when I load another model I am getting the message. When the flight mode switch is off I don't get the message.

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17 Jan 2014 17:23 #18592 by vlad_vy
Replied by vlad_vy on topic Throttle Safety Value Warning
You can add for confidence:

[safety]
Auto=min
FMODE1=min
FMODE2=min

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17 Jan 2014 17:25 #18594 by FDR
Replied by FDR on topic Throttle Safety Value Warning
...or:

[safety]
Auto=min
FMODE0=max

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17 Jan 2014 17:26 #18595 by Tom Z
Replied by Tom Z on topic Throttle Safety Value Warning
I just tried the emulators and that was the problem. I had the flight mode switch on sometimes (with the N key) and loaded another model and got the message. With the flight mode switch off I don't get the message at all.

Thanks FDR!

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17 Jan 2014 17:42 #18597 by Tom Z
Replied by Tom Z on topic Throttle Safety Value Warning

vlad_vy wrote: You can add for confidence:

[safety]
Auto=min
FMODE1=min
FMODE2=min



FDR wrote: ...or:

[safety]
Auto=min
FMODE0=max




Thanks, I will try it out.

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18 Jan 2014 09:04 - 18 Jan 2014 09:13 #18629 by RandMental
Replied by RandMental on topic Throttle Safety Value Warning
Guys

I want to add this to the Model config manual, explaining the settings available in the modelx.ini files.

Could you please add a description to each of these ini file settings and their respective options/values.

RM
Last edit: 18 Jan 2014 09:13 by RandMental.

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18 Jan 2014 16:27 #18635 by FDR
Replied by FDR on topic Throttle Safety Value Warning
It's easy: you can assing a value condition to any input or channel to check at startup. There are two special values: min (=-100) and max (=+100), and a special channel: auto, which is always the throttle channel depending on the protocol selected (could be problematic in PPM or USB HID protocol though)...

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19 Jan 2014 10:03 #18671 by rbe2012
Replied by rbe2012 on topic Throttle Safety Value Warning
In another thread was a question about cars; we should consider adding a "zero" value for car safety.

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19 Jan 2014 11:21 #18674 by FDR
Replied by FDR on topic Throttle Safety Value Warning
I won't help. Zero would be always equal to 0, so you can simply use that.
The min and max were needed, because the scale values modify them, so they are not necessarily equal to -100 or +100...

The problem with the zero checking is that the stick is not precisely centered, especially if it is not springloaded...

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19 Jan 2014 19:33 #18704 by rbe2012
Replied by rbe2012 on topic Throttle Safety Value Warning
I thought we use the gimbal inputs so centering (with correct trimming) should be done easily.

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19 Jan 2014 19:47 #18705 by PhracturedBlue
Replied by PhracturedBlue on topic Throttle Safety Value Warning
there is a special keyword 'zero' which will allow ensuring a channel is centered. It has a little hysteresis to prevent it from falsely flagging.

Note that the [safety] section only has fixed allowed values:
none, min, zero, max
you cannot use numerical values here

the 'auto' channel is a special case for the throttle as FDR said.

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19 Jan 2014 20:27 #18713 by FDR
Replied by FDR on topic Throttle Safety Value Warning

PhracturedBlue wrote: Note that the [safety] section only has fixed allowed values:
none, min, zero, max
you cannot use numerical values here


Oops! So there was a change I wasn't avare of...

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11 Aug 2014 06:26 - 11 Aug 2014 06:26 #25135 by mwm
Replied by mwm on topic Throttle Safety Value Warning
Could someone add this information to the manual? The 4.0.1 manual just says "you have to modify the model.ini file". Telling us what section it's in, and what to fields you can set to what values would help a lot!

I checked the deviationTx repository to try and submit a pull request, but the manuals don't seem to be in there. Maybe that can be fixed as well?

Do not ask me questions via PM. Ask in the forums, where I'll answer if I can.

My remotely piloted vehicle ("drone") is a yacht.
Last edit: 11 Aug 2014 06:26 by mwm. Reason: add suggestion about making manual source avilable.

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11 Aug 2014 07:14 - 11 Aug 2014 07:26 #25137 by mwm
Replied by mwm on topic Throttle Safety Value Warning
Ah, I found the link to the manuals. I'll issue a pull request from there.

EDIT: Sigh. The manual repository is pretty clearly auto-generated from something else. So no pull request. Could someone with access to the sources these were generated from add this info?

Do not ask me questions via PM. Ask in the forums, where I'll answer if I can.

My remotely piloted vehicle ("drone") is a yacht.
Last edit: 11 Aug 2014 07:26 by mwm.

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