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book: update outdated required init signature

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Viktor Sonesten 2021-04-21 15:00:53 +02:00
parent 43c5ad79c2
commit 374a1c2add
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5
book/en/src/by-example/app.md
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@ -23,9 +23,8 @@ to use the [`cortex_m_rt::entry`] attribute.
## `init`
Within the `app` module the attribute expects to find an initialization
function marked with the `init` attribute. This function must have signature
`fn(init::Context) [-> init::LateResources]` (the return type is not always
required).
function marked with the `init` attribute. This function must have
signature `fn(init::Context) -> (init::LateResources, init::Monotonics)`.
This initialization function will be the first part of the application to run.
The `init` function will run *with interrupts disabled* and has exclusive access