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This commit is contained in:
Jacob Rosenthal 2021-11-01 13:16:24 -07:00
parent f2cfbe4262
commit 74e7f4a227
1 changed files with 3 additions and 2 deletions
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embassy-nrf/src/pwm.rs
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@ -66,7 +66,7 @@ pub enum SequenceMode {
pub struct SequenceConfig<'a> { pub struct SequenceConfig<'a> {
/// Selects up mode or up-and-down mode for the counter /// Selects up mode or up-and-down mode for the counter
pub counter_mode: CounterMode, pub counter_mode: CounterMode,
// Top value to be compared against buffer values /// Top value to be compared against buffer values
pub top: u16, pub top: u16,
/// Configuration for PWM_CLK /// Configuration for PWM_CLK
pub prescaler: Prescaler, pub prescaler: Prescaler,
@ -170,7 +170,7 @@ impl<'d, T: Instance> Pwm<'d, T> {
} }
} }
/// Returns a configured pwm that has had start called on it /// Play a `SequenceConfig` sequence instead of a stable `set_duty` output
pub fn play_sequence(&self, config: SequenceConfig) -> Result<(), Error> { pub fn play_sequence(&self, config: SequenceConfig) -> Result<(), Error> {
slice_in_ram_or(config.sequence, Error::DMABufferNotInDataMemory)?; slice_in_ram_or(config.sequence, Error::DMABufferNotInDataMemory)?;
@ -233,6 +233,7 @@ impl<'d, T: Instance> Pwm<'d, T> {
r.loop_.write(|w| unsafe { w.cnt().bits(times) }); r.loop_.write(|w| unsafe { w.cnt().bits(times) });
// we can subtract 1 by starting at seq1 instead of seq0
if odd { if odd {
// tasks_seqstart doesnt exist in all svds so write its bit instead // tasks_seqstart doesnt exist in all svds so write its bit instead
r.tasks_seqstart[1].write(|w| unsafe { w.bits(0x01) }); r.tasks_seqstart[1].write(|w| unsafe { w.bits(0x01) });