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Clarify why we need the mut buffer

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huntc 2022-02-04 11:48:08 +11:00
parent 986295998a
commit bc7266394d
1 changed files with 2 additions and 0 deletions
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embassy-nrf/src/pwm.rs
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@ -428,6 +428,8 @@ impl Default for SequenceConfig {
#[non_exhaustive] #[non_exhaustive]
pub struct Sequence<'d> { pub struct Sequence<'d> {
/// The words comprising the sequence. Must not exceed 32767 words. /// The words comprising the sequence. Must not exceed 32767 words.
/// The reason for this buffer to be mutable is so that stopping
/// the PWM can relinquish the sequence for subsequent modification.
pub words: &'d mut [u16], pub words: &'d mut [u16],
/// Configuration associated with the sequence. /// Configuration associated with the sequence.
pub config: SequenceConfig, pub config: SequenceConfig,