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nrf/i2s: switch to new interrupt binding.

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This commit is contained in:
Dario Nieuwenhuis
2023-03-05 20:40:13 +01:00
parent 63b75eaf64
commit 34563b74aa
4 changed files with 59 additions and 51 deletions
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77
embassy-nrf/src/i2s.rs
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@ -14,7 +14,7 @@ use embassy_hal_common::drop::OnDrop;
use embassy_hal_common::{into_ref, PeripheralRef};
use crate::gpio::{AnyPin, Pin as GpioPin};
use crate::interrupt::Interrupt;
use crate::interrupt::{self, Interrupt};
use crate::pac::i2s::RegisterBlock;
use crate::util::{slice_in_ram_or, slice_ptr_parts};
use crate::{Peripheral, EASY_DMA_SIZE};
@ -363,10 +363,39 @@ impl From<Channels> for u8 {
}
}
/// Interrupt handler.
pub struct InterruptHandler<T: Instance> {
_phantom: PhantomData<T>,
}
impl<T: Instance> interrupt::Handler<T::Interrupt> for InterruptHandler<T> {
unsafe fn on_interrupt() {
let device = Device::<T>::new();
let s = T::state();
if device.is_tx_ptr_updated() {
trace!("TX INT");
s.tx_waker.wake();
device.disable_tx_ptr_interrupt();
}
if device.is_rx_ptr_updated() {
trace!("RX INT");
s.rx_waker.wake();
device.disable_rx_ptr_interrupt();
}
if device.is_stopped() {
trace!("STOPPED INT");
s.stop_waker.wake();
device.disable_stopped_interrupt();
}
}
}
/// I2S driver.
pub struct I2S<'d, T: Instance> {
i2s: PeripheralRef<'d, T>,
irq: PeripheralRef<'d, T::Interrupt>,
mck: Option<PeripheralRef<'d, AnyPin>>,
sck: PeripheralRef<'d, AnyPin>,
lrck: PeripheralRef<'d, AnyPin>,
@ -378,19 +407,18 @@ pub struct I2S<'d, T: Instance> {
impl<'d, T: Instance> I2S<'d, T> {
/// Create a new I2S in master mode
pub fn master(
pub fn new_master(
i2s: impl Peripheral<P = T> + 'd,
irq: impl Peripheral<P = T::Interrupt> + 'd,
_irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
mck: impl Peripheral<P = impl GpioPin> + 'd,
sck: impl Peripheral<P = impl GpioPin> + 'd,
lrck: impl Peripheral<P = impl GpioPin> + 'd,
master_clock: MasterClock,
config: Config,
) -> Self {
into_ref!(i2s, irq, mck, sck, lrck);
into_ref!(i2s, mck, sck, lrck);
Self {
i2s,
irq,
mck: Some(mck.map_into()),
sck: sck.map_into(),
lrck: lrck.map_into(),
@ -402,17 +430,16 @@ impl<'d, T: Instance> I2S<'d, T> {
}
/// Create a new I2S in slave mode
pub fn slave(
pub fn new_slave(
i2s: impl Peripheral<P = T> + 'd,
irq: impl Peripheral<P = T::Interrupt> + 'd,
_irq: impl interrupt::Binding<T::Interrupt, InterruptHandler<T>> + 'd,
sck: impl Peripheral<P = impl GpioPin> + 'd,
lrck: impl Peripheral<P = impl GpioPin> + 'd,
config: Config,
) -> Self {
into_ref!(i2s, irq, sck, lrck);
into_ref!(i2s, sck, lrck);
Self {
i2s,
irq,
mck: None,
sck: sck.map_into(),
lrck: lrck.map_into(),
@ -537,9 +564,8 @@ impl<'d, T: Instance> I2S<'d, T> {
}
fn setup_interrupt(&self) {
self.irq.set_handler(Self::on_interrupt);
self.irq.unpend();
self.irq.enable();
unsafe { T::Interrupt::steal() }.unpend();
unsafe { T::Interrupt::steal() }.enable();
let device = Device::<T>::new();
device.disable_tx_ptr_interrupt();
@ -555,29 +581,6 @@ impl<'d, T: Instance> I2S<'d, T> {
device.enable_stopped_interrupt();
}
fn on_interrupt(_: *mut ()) {
let device = Device::<T>::new();
let s = T::state();
if device.is_tx_ptr_updated() {
trace!("TX INT");
s.tx_waker.wake();
device.disable_tx_ptr_interrupt();
}
if device.is_rx_ptr_updated() {
trace!("RX INT");
s.rx_waker.wake();
device.disable_rx_ptr_interrupt();
}
if device.is_stopped() {
trace!("STOPPED INT");
s.stop_waker.wake();
device.disable_stopped_interrupt();
}
}
async fn stop() {
compiler_fence(Ordering::SeqCst);
@ -1168,7 +1171,7 @@ pub(crate) mod sealed {
}
}
/// I2S peripehral instance.
/// I2S peripheral instance.
pub trait Instance: Peripheral<P = Self> + sealed::Instance + 'static + Send {
/// Interrupt for this peripheral.
type Interrupt: Interrupt;