[PATCH v4 0/1] Change PWM-controlled LED pin active mode and algorithm

Conor Dooley conor.dooley at microchip.com
Thu Aug 3 02:15:10 PDT 2023


On Thu, Aug 03, 2023 at 04:57:33PM +0800, Nylon Chen wrote:
> According to the circuit diagram of User LEDs - RGB described in themanual hifive-unleashed-a00.pdf[0] and hifive-unmatched-schematics-v3.pdf[1].
> 
> The behavior of PWM is acitve-high.
> 
> Removed patches: 1
> New patches: (none)
> 
> Links:
> - [0]:  https://sifive.cdn.prismic.io/sifive/c52a8e32-05ce-4aaf-95c8-7bf8453f8698_hifive-unleashed-a00-schematics-1.pdf
> - [1]:  https://sifive.cdn.prismic.io/sifive/6a06d6c0-6e66-49b5-8e9e-e68ce76f4192_hifive-unmatched-schematics-v3.pdf
> - [2]:  https://sifive.cdn.prismic.io/sifive/1a82e600-1f93-4f41-b2d8-86ed8b16acba_fu740-c000-manual-v1p6.pdf
> 
> Changed in v4:
>  - Remove previous updates to the PWM algorithm.

Why? I don't recall the conclusion on the previous version being that
that patch was not needed.
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