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PwmPin: allow get_duty to return the old value for some time #236

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Merged
merged 1 commit into from
Jul 22, 2020
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PwmPin: allow get_duty to return the old value for some time #236

merged 1 commit into from
Jul 22, 2020

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eldruin
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@eldruin eldruin commented Jul 21, 2020 •
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This is #140 rebased to master.
However, I suppose the same thing applies to the Pwm::try_get_duty() method. Shouldn't the same note be added to that method as well?

Closes #140

@chrysn @eldruin
PwmPin: allow get_duty to return the old value for some time
d26ccb9 
PWM is often implemented in a buffered way to allow glitch-free
operation; as a result, implementing a strict "you get what you last
set" is not feasible for some implementations.
@eldruin eldruin requested review from ilya-epifanov and a team as code owners July 21, 2020 17:08
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r? @ryankurte

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therealprof
therealprof approved these changes Jul 22, 2020
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LGTM.

bors r+

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However, I suppose the same thing applies to the Pwm::try_get_duty() method. Shouldn't the same note be added to that method as well?

Sure, why not. The more documentation the better. ;)

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bors bot commented Jul 22, 2020

Build succeeded:

@bors bors bot merged commit 5b898bb into rust-embedded:master Jul 22, 2020
@eldruin eldruin mentioned this pull request Jul 22, 2020
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bors bot added a commit that referenced this pull request Jul 22, 2020
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Merge #238
d81cf7c 
238:  Pwm: allow get_duty to return the old value for some time r=therealprof a=eldruin

This is #140 applied to the `Pwm` trait as well, since the same concerns apply. Follows up on #236.

Co-authored-by: Diego Barrios Romero <[email protected]>
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@therealprof therealprof therealprof approved these changes

@ilya-epifanov ilya-epifanov Awaiting requested review from ilya-epifanov

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