docs: Minor wording change to step_distance FAQ

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-01-27 16:52:16 -05:00
parent 71ef715a88
commit 90827a88de
1 changed files with 1 additions and 1 deletions

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@ -41,7 +41,7 @@ search for "calculate steps per mm" to find an online calculator.
Klipper uses step_distance instead of steps_per_mm in order to use Klipper uses step_distance instead of steps_per_mm in order to use
consistent units of measurement in the config file. (The config uses consistent units of measurement in the config file. (The config uses
millimeters for all distance measurements.) It is believed that millimeters for all distance measurements.) It is believed that
steps_per_mm originates from a micro-optimization on old 8-bit steps_per_mm originated as an optimization on old 8-bit
micro-controllers (the desire to use a multiply instead of a divide in micro-controllers (the desire to use a multiply instead of a divide in
some low-level code). Continuing to configure this one distance in some low-level code). Continuing to configure this one distance in
units of "inverse millimeters" is felt to be quirky and unnecessary. units of "inverse millimeters" is felt to be quirky and unnecessary.