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Add SAI prime and async suspend plus resume

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This commit is contained in:
Tyler Gilbert 2023-12-04 22:05:50 -06:00
parent f2bc53b526
commit 4a94a5259f
1 changed files with 25 additions and 4 deletions
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29
embassy-stm32/src/sai/mod.rs
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@ -481,7 +481,7 @@ impl Default for Config {
slot_enable: 0b11,
data_size: DataSize::Data16,
stereo_mono: StereoMono::Stereo,
bit_order: BitOrder::LsbFirst,
bit_order: BitOrder::MsbFirst,
frame_sync_offset: FrameSyncOffset::BeforeFirstBit,
frame_sync_polarity: FrameSyncPolarity::ActiveLow,
frame_sync_active_level_length: word::U7(16),
@ -853,6 +853,13 @@ impl<'d, T: Instance, C: Channel, W: word::Word> SubBlock<'d, T, C, W> {
}
}
pub fn prime(self: &mut Self, prime_buffer: &[W]) -> Result<(usize, usize), Error> {
match self.ring_buffer {
RingBuffer::Writable(ref mut rb) => Ok(rb.prime(prime_buffer)?),
RingBuffer::Readable(_) => Err(Error::NotATransmitter),
}
}
fn is_transmitter(ring_buffer: &RingBuffer<C, W>) -> bool {
match ring_buffer {
RingBuffer::Writable(_) => true,
@ -1002,10 +1009,24 @@ impl<'d, T: Instance, C: Channel, W: word::Word> SubBlock<'d, T, C, W> {
}
}
pub fn request_stop(&mut self) {
pub async fn suspend(&mut self) {
match &mut self.ring_buffer {
RingBuffer::Writable(buffer) => buffer.request_stop(),
RingBuffer::Readable(buffer) => buffer.request_stop(),
RingBuffer::Writable(buffer) => buffer.suspend().await,
RingBuffer::Readable(buffer) => buffer.suspend().await,
}
}
pub fn resume(&mut self) {
match &mut self.ring_buffer {
RingBuffer::Writable(buffer) => buffer.resume(),
RingBuffer::Readable(buffer) => buffer.resume(),
}
}
pub fn clear(&mut self) {
match &mut self.ring_buffer {
RingBuffer::Writable(buffer) => buffer.clear(),
RingBuffer::Readable(buffer) => buffer.clear(),
}
}