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Diffstat (limited to 'book/en/src')
| -rw-r--r-- | book/en/src/by-example/resources.md | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/book/en/src/by-example/resources.md b/book/en/src/by-example/resources.md index 46d04a7..17f4d13 100644 --- a/book/en/src/by-example/resources.md +++ b/book/en/src/by-example/resources.md @@ -69,6 +69,13 @@ the critical section created by the lowest priority handler. $ cargo run --example lock {{#include ../../../../ci/expected/lock.run}}``` +One more note about priorities: choosing a priority higher than what the device +supports (that is `1 << NVIC_PRIO_BITS`) will result in a compile error. Due to +limitations in the language the error is currently far from helpful: it will say +something along the lines of "evaluation of constant value failed" and the span +of the error will *not* point out to the problematic interrupt value -- we are +sorry about this! + ## Late resources Unlike normal `static` variables, which need to be assigned an initial value |