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Diffstat (limited to 'book/en/src/by-example/app.md')
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diff --git a/book/en/src/by-example/app.md b/book/en/src/by-example/app.md index b5815fc..0aeed5b 100644 --- a/book/en/src/by-example/app.md +++ b/book/en/src/by-example/app.md @@ -30,6 +30,12 @@ At compile time the task/resource model is analyzed under the Stack Resource Pol Overall, the generated code infers no additional overhead in comparison to a hand-written implementation, thus in Rust terms RTIC offers a zero-cost abstraction to concurrency. +## Priority + +Priorities in RTIC are specified using the `priority = N` (where N is a positive number) argument passed to the `#[task]` attribute. All `#[task]`s can have a priority. If the priority of a task is not specified, it is set to the default value of 1. + +Priorities in RTIC follow a higher value = more important scheme. For examples, a task with priority 2 will preempt a task with priority 1. + ## An RTIC application example To give a taste of RTIC, the following example contains commonly used features. |