Taranis: Mixes are for mixing, inputs are for selecting. - RC Groups
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Mar 03, 2017, 09:13 AM
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Miami Mike's Avatar
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Taranis: Mixes are for mixing, inputs are for selecting.


Mixes are for mixing, inputs are for selecting.

It may be that you're performing operations on your Mixes page that could be done instead on your Inputs page. The Inputs page isn't just good for selecting rates and exponential for your sticks, you can move virtually any operation that consist solely of selecting, rather than mixing, to the Inputs page. This can be useful for removing clutter from your Mixes page and more evenly distributing your setup across the two pages, which both limit their number of lines to 64.

Here's an example from my glider setup, where I use TrmT to adjust reflex and camber in four different flight modes. It started out on the Mixes page:

Code:
CH10(RfxCam)  TrmT Weight(+50%) Flight mode(Zoom) Offset(50%) [Zoom]
           += TrmT Weight(+25%) Flight mode(Speed) Offset(25%) [Speed]
           += TrmT Weight(+25%) Flight mode(Thermal) Offset(-25%) [Thermal]
           += TrmT Weight(+50%) Flight mode(Launch) Offset(-50%) [Launch]
Channel 10 was being read by the aileron and flap output channels with mix lines similar to this one (this is not exact):

Code:
CH01 (RtAil) CH10 Weight(+100%)
This worked fine but my mix lines were starting to run short and I wanted to clean up the page, so I moved the operation to the Inputs page and added a "catchall" at the end to make sure that the input explicitly contributes a value of zero when not in a flight mode that incorporates reflex or camber:

Code:
[I4]RxCm TrmT Weight(+50%) Flight mode(Zoom) Offset(50%) [Zoom]
         TrmT Weight(+25%) Flight mode(Speed) Offset(25%) [Speed]
         TrmT Weight(+25%) Flight mode(Thermal) Offset(-25%) [Thermal]
         TrmT Weight(+50%) Flight mode(Launch) Offset(-50%) [Launch]
         MAX Weight(0%) [Default]
Now, on the Mixes page I read the input with lines similar to this:

Code:
 [I4]RxCm Weight(+100%)
With this technique I've relocated quite a few of my mix lines to my Inputs page, and now I have plenty of space open for new mixes.


Latest blog entry: Taranis: Aileron-To-Rudder Mix.
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Sep 20, 2017, 07:45 AM
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ridgerunr's Avatar
I assume that in the FLIGHT MODES setup page, you set each flight mode to use its own independent Throttle Trim value.
Pretty clever use of trims.

Note, however, that since each mode has its own independent trim value, you don't really need to use any of those mixes or inputs at all. Instead of using the trim value to indirectly determine the "RfxCam" value (via four different scaling equations, one for each mode), simply use the trim value directly as the "RfxCam" value (using extended trims). In other words, just use:
Code:
CH01 (RtAil) TrmT Weight(+100%) [RfxCam]
This simpler method would have a couple potential drawbacks:
  • Assuming that you wish to have very fine, high resolution control, one whole trim step may be too coarse of an adjustment, whereas your 0-100 (+50%,+50%) and 0-50 (+25%, +25%) function ranges provide finer resolution.
  • With your setup, the trim values will be close to their center positions for each mode. Using the trim values directly requires each value to be significantly off center.
Sep 20, 2017, 02:41 PM
Registered Taranis User
Miami Mike's Avatar
My purpose in this post was to show how Mix lines can be moved to the Inputs page, but you're right, this could be done in a much simpler way, but I wanted to restrict each adjustment to a range that makes sense for its flight mode, and to thereby maximize the resolution in that mode. The way I have it set up, reflex settings are out of range in Thermal and Launch modes, while camber settings are out of range in Speed and Zoom modes.

In Launch mode, when TrmT is at the top of its adjustment range the ailerons and flaps are lined up with the airfoil and there's no camber at all. When TrmT is at the bottom, the wing is "fully" cambered, meaning that it has as much camber as I estimate I would ever want in Launch mode. Thermal mode works the same but with half the range and twice the resolution.
 
In Zoom mode, when TrmT is at the bottom of its adjustment range the ailerons and flaps are lined up with the airfoil and there's no reflex at all. When TrmT is at the top, the wing is "fully" reflexed, meaning that it has as much reflex as I estimate I would ever want in Zoom mode. Speed mode works the same but with half the range and twice the resolution.
Latest blog entry: Taranis: Aileron-To-Rudder Mix.