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Pca95x4 should implement GpioDriver #226
Description
Pca95x4 is an IO expander but it doesn't implement GpioDriver. We should provide this for consistent access
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Pca95x4 is an IO expander but it doesn't implement GpioDriver. We should provide this for consistent access
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JeremyKuhne commentedon Feb 13, 2019
Note that I've got a new library with Pcx857x support in it that I hope to get a PR open for today.
shaggygi commentedon Feb 13, 2019
Another side note... we might want to review #135 at some point since expanders support other pin modes in addition to what the current core API includes. For example, a couple of the MCPs have open-drain outputs. This might be a good exercise to do sooner than later as I noticed there are some places in the core GPIO that would have to be updated, as well.
JeremyKuhne commentedon Feb 13, 2019
#229 is the initial Pcx857x PR.
Ellerbach commentedon Jul 2, 2021
Rather than IGpioController which won't really happen, this should then implement the board abstraction and propoer a real GpioController.
[-]Update Pca95x4 with IGpioController[/-][+]Pca95x4 should implement GpioDriver[/+]krwq commentedon Feb 6, 2025
[Triage] We only should implement GpioDriver