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| author | datdenkikniet <jcdra1@gmail.com> | 2023-05-05 19:21:02 +0200 |
|---|---|---|
| committer | datdenkikniet <jcdra1@gmail.com> | 2023-05-11 19:20:58 +0200 |
| commit | 5c6483f71b1622e518847006147f2360c7563aa6 (patch) | |
| tree | 25a4011d43bc4698eb3019984660b7ef5758f0f7 /book/en/src/by-example/hardware_tasks.md | |
| parent | 03b16a3a2d83af9b520fa5b5bad3ba76155f594d (diff) | |
Update these
Diffstat (limited to 'book/en/src/by-example/hardware_tasks.md')
| -rw-r--r-- | book/en/src/by-example/hardware_tasks.md | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/book/en/src/by-example/hardware_tasks.md b/book/en/src/by-example/hardware_tasks.md index bf00dc4..ded488c 100644 --- a/book/en/src/by-example/hardware_tasks.md +++ b/book/en/src/by-example/hardware_tasks.md @@ -1,8 +1,6 @@ # Hardware tasks -At its core RTIC is using a hardware interrupt controller ([ARM NVIC on cortex-m][NVIC]) to schedule and start execution of tasks. All tasks except `pre-init`, `#[init]` and `#[idle]` run as interrupt handlers. - -Hardware tasks are explicitly bound to interrupt handlers. +At its core RTIC is using a hardware interrupt controller ([ARM NVIC on cortex-m][NVIC]) to schedule and start execution of tasks. All tasks except `pre-init` (a hidden "task"), `#[init]` and `#[idle]` run as interrupt handlers. To bind a task to an interrupt, use the `#[task]` attribute argument `binds = InterruptName`. This task then becomes the interrupt handler for this hardware interrupt vector. @@ -17,6 +15,8 @@ Beware of using interrupt vectors that are used internally by hardware features; [pacorhal]: https://docs.rust-embedded.org/book/start/registers.html [NVIC]: https://developer.arm.com/documentation/100166/0001/Nested-Vectored-Interrupt-Controller/NVIC-functional-description/NVIC-interrupts +## Example + The example below demonstrates the use of the `#[task(binds = InterruptName)]` attribute to declare a hardware task bound to an interrupt handler. ``` rust,noplayground |
