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Set i2c frequency using Hertz #128

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merged 2 commits into from
Nov 16, 2019
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@TheZoq2 TheZoq2 commented Oct 27, 2019

In #127 I realised that i2c doesn't use the Hertz structs to set freuency. This seems strange, so I fixed it.

Unlike the other peripherals, this doesn't allow construction from KiloHertz or MegaHertz as that would have required making the mode struct generic, which would propagate a lot. It might still be a good idea to do so, though perhaps it's better to pass the frequency separately to the i2c "constructor". This would require less generics.

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TeXitoi commented Nov 14, 2019

Any blocker on this or can it be merged?

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TheZoq2 commented Nov 14, 2019

I think it can be merged, unless we want to allow KiloHertz and MegaHertz

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TeXitoi commented Nov 14, 2019

True, Into<Hertz> as in rcc.CFGR could be great.

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TheZoq2 commented Nov 16, 2019

I added methods to construct Mode from impl Into<Hertz> to avoid spreading generics everywhere and still give the option to construct from other frequency types. @TeXitoi Any conceerns with that implementation?

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Great!

@TheZoq2 TheZoq2 merged commit 9a4d5bd into stm32-rs:master Nov 16, 2019
@TheZoq2 TheZoq2 deleted the i2c_frequency_unit branch November 17, 2019 12:15
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