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Update pdm driver to build with all the PACs

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This commit is contained in:
Quentin Smith 2023-07-18 18:31:32 -04:00
parent 2c01f277c2
commit be7fbe50d7
1 changed files with 29 additions and 4 deletions
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33
embassy-nrf/src/pdm.rs
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@ -17,9 +17,16 @@ use crate::gpio::{AnyPin, Pin as GpioPin};
use crate::interrupt::typelevel::Interrupt;
use crate::pac::pdm::mode::{EDGE_A, OPERATION_A};
pub use crate::pac::pdm::pdmclkctrl::FREQ_A as Frequency;
pub use crate::pac::pdm::ratio::RATIO_A as Ratio;
use crate::{interrupt, Peripheral};
#[cfg(any(
feature = "nrf52840",
feature = "nrf52833",
feature = "_nrf5340-app",
feature = "_nrf9160",
))]
pub use crate::pac::pdm::ratio::RATIO_A as Ratio;
/// Interrupt handler.
pub struct InterruptHandler<T: Instance> {
_phantom: PhantomData<T>,
@ -111,6 +118,12 @@ impl<'d, T: Instance> Pdm<'d, T> {
// configure
r.pdmclkctrl.write(|w| w.freq().variant(config.frequency));
#[cfg(any(
feature = "nrf52840",
feature = "nrf52833",
feature = "_nrf5340-app",
feature = "_nrf9160",
))]
r.ratio.write(|w| w.ratio().variant(config.ratio));
r.mode.write(|w| {
w.operation().variant(config.operation_mode.into());
@ -294,14 +307,14 @@ impl<'d, T: Instance> Pdm<'d, T> {
// wouldn't happen anyway.
compiler_fence(Ordering::SeqCst);
r.tasks_start.write(|w| w.tasks_start().set_bit());
r.tasks_start.write(|w| unsafe { w.bits(1) });
let mut current_buffer = 0;
let mut done = false;
let drop = OnDrop::new(|| {
r.tasks_stop.write(|w| w.tasks_stop().set_bit());
r.tasks_stop.write(|w| unsafe { w.bits(1) });
// N.B. It would be better if this were async, but Drop only support sync code.
while r.events_stopped.read().bits() != 0 {}
});
@ -324,7 +337,7 @@ impl<'d, T: Instance> Pdm<'d, T> {
let next_buffer = 1 - current_buffer;
current_buffer = next_buffer;
} else {
r.tasks_stop.write(|w| w.tasks_stop().set_bit());
r.tasks_stop.write(|w| unsafe { w.bits(1) });
done = true;
};
};
@ -361,6 +374,12 @@ pub struct Config {
/// Clock frequency
pub frequency: Frequency,
/// Clock ratio
#[cfg(any(
feature = "nrf52840",
feature = "nrf52833",
feature = "_nrf5340-app",
feature = "_nrf9160",
))]
pub ratio: Ratio,
/// Gain left in dB
pub gain_left: I7F1,
@ -374,6 +393,12 @@ impl Default for Config {
operation_mode: OperationMode::Mono,
edge: Edge::LeftFalling,
frequency: Frequency::DEFAULT,
#[cfg(any(
feature = "nrf52840",
feature = "nrf52833",
feature = "_nrf5340-app",
feature = "_nrf9160",
))]
ratio: Ratio::RATIO80,
gain_left: I7F1::ZERO,
gain_right: I7F1::ZERO,