Throttle Reverse ON should also reverse display and input direction of T-Trim switches

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Copy/Paste from ER9X Issue: 190

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What steps will reproduce the problem?
Switching to reverse throttle, direction of the trim buttons doesn't change

What is the expected output? What do you see instead?
throttle trim should be reversed too 

What version of the product are you using? On what operating system?
(ER9X r 273)
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TODO: Not fixed as at gruvin93 r418

Original issue reported on code.google.com by gru...@gmail.com on 25 Dec 2010 at 4:16

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This fault exists when model SETUP T-Trim is ON and RADIO SETUP Throttle 
Reverse is also ON. It does not affect normal throttle channel trim in the 
T-Trim OFF mode, whether throttle is reversed or not.

Under the fault conditions stated above, the "weighted to work at low end but 
not high end" nature of T-Trim ON mode becomes reversed -- making the T-Trim 
only effective at the full throttle end, as seen at the PPM out end of things. 
(The display numbers and graphic bars remain the same orientation regardless of 
the Throttle Reverse setting.)

Original comment by gru...@gmail.com on 2 Jul 2011 at 10:03

• Changed state: Accepted
• Added labels: Priority-Medium
• Removed labels: Priority-Low

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Original comment by gru...@gmail.com on 9 Jul 2011 at 1:18

• Changed title: Throttle Reverse ON should also reverse display and input direction of T-Trim switches

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Some one other than me (who actually uses reversed throttle) needs to test this 
in a current branches/frsky version and let me know if it is in fact faulty, as 
described above. (bsongis might have already fixed it? It seems right to me how 
it is. But I find it confusing, since I've never used reversed throttle.)

(I've no idea why anyone would want to reverse the throttle. Even real air 
planes increase throttle by pushing the control away from the pilot. *shrug*)

Original comment by gru...@gmail.com on 26 Jul 2011 at 2:39

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A comment seen on RCGroups:

Reverse Throttle
I've been looking at the reverse throttle option combined with the throttle 
trim option. I have fixes for the general problems described with this 
combination, but I have discovered another problem.

With the way in which the throttle reverse is carried out, reversing the analog 
value when doing the analog to digital conversion, the throttle stick 
calibration is wrong. The two calibration ends are used reversed. On my 9x, 
this causes the throttle stick to have a dead band at one end, and it never 
reaches 100% at the other end.

I'm not doing any quick changes for this, it needs to be checked carefully, we 
don't want an accidental change to full throttle because the fix is wrong 
somewhere.

Mike.

Original comment by bson...@gmail.com on 8 Nov 2011 at 3:54

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Interesting. I'm not surprised. When I was trying to test the throttle reverse 
thing, I got quite confused. This must be why.

Original comment by gru...@gmail.com on 9 Nov 2011 at 10:45

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Solved by Mike. I will port his correction in trunk.

Original comment by bson...@gmail.com on 9 Nov 2011 at 8:42

• Changed state: Started
• Added labels: Milestone-darktrain

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:-D

Original comment by gru...@gmail.com on 10 Nov 2011 at 4:52

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Original comment by bson...@gmail.com on 18 Nov 2011 at 6:59

• Changed state: Fixed