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Added layer diagram for embedded-hal use

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Signed-off-by: Daniel Egger <daniel@eggers-club.de>
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Daniel Egger
2018-11-14 23:47:29 +01:00
parent ef2dfa168b
commit 22025eadef
2 changed files with 5 additions and 0 deletions
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src/portability/index.md
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@@ -20,6 +20,10 @@ How do we do this in Rust? Enter **embedded-hal**...
In a nutshell it is a set of traits which define implementation contracts between **HAL implementations**, **drivers** and **applications (or firmwares)**. Those contracts include both capabilities (i.e. if a trait is implemented for a certain type, the **HAL implementation** provides a certain capability) and methods (i.e. if you can construct a type implementing a trait it is guarenteed that you have the methods specified in the trait available).
A typical layering might look like this:
![](../assets/rust_layers.svg)
Some of the defined traits in **embedded-hal** are:
* GPIO (input and output pins)
* Serial communication