D26854: Linear Focus Algorithm 3.1, ignore timer-based focuser's return value.

[Hy Murveit]

murveit created this revision.
murveit added a reviewer: mutlaqja.
Herald added a project: KDE Edu.
Herald added a subscriber: kde-edu.
murveit requested review of this revision.

REVISION SUMMARY
  The return value seems unreliable, and, afterall probably doesn't represent reality.
  Ths change causes the linear focus algorithm to assume that timer-based focusers
  have moved the number of ms requested for their movement.

TEST PLAN
  There should be no changes to standard focus algorithms.
  The only change would be with timer-based focusers (e.g. FCUSB) using the Linear Algorithm.
  This didn't work previously (as I relied on the return value from the Indi, which is apparently unreliable).
  That focuser should now autofocus with the linear focus algorithm, now changed to v3.1 in the menu.

REPOSITORY
  R321 KStars

BRANCH
  linear-3.1-ignore-timer-return (branched from master)

REVISION DETAIL
  https://phabricator.kde.org/D26854

AFFECTED FILES
  kstars/ekos/focus/focus.cpp
  kstars/ekos/focus/focus.h
  kstars/ekos/focus/focus.ui
  kstars/ekos/focus/focusalgorithms.cpp

To: murveit, mutlaqja
Cc: kde-edu, narvaez, apol
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