Add initializers for peripherals based on numbers #60
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Added a test, along with a commit that illustrates how I think board dependent pins are best handled with the number based initializers. (As long as the boards don't provide a more high-level enumeration of user usable peripherals, that is). |
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Since RIOT-OS/rust-riot-sys#17 is in, there are riot-sys functions that allow going from device numbers to device types. (That's typically an identity transformation, but we can't know that generally).
This adds a first bout of initializers to wrappers that are based on such numbers.
As a PR, this builds on #34, because practical applications can likely only pull valid input from a match on BOARD (and we really want that const).
ADC is not in because it'll depend on RIOT-OS/rust-riot-sys#34 to do anything sensible.