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Switched to PeripheralRef for channel.

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This commit is contained in:
Ardelean Calin 2022-11-22 17:35:38 +02:00
parent a074cd0625
commit 64c2e1b9b6
1 changed files with 20 additions and 23 deletions
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43
embassy-nrf/src/gpiote.rs
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@ -2,7 +2,7 @@ use core::convert::Infallible;
use core::future::{poll_fn, Future};
use core::task::{Context, Poll};
use embassy_hal_common::{impl_peripheral, Peripheral, PeripheralRef};
use embassy_hal_common::{impl_peripheral, Peripheral, PeripheralRef, into_ref};
use embassy_sync::waitqueue::AtomicWaker;
use crate::gpio::sealed::Pin as _;
@ -148,21 +148,23 @@ impl Iterator for BitIter {
/// GPIOTE channel driver in input mode
pub struct InputChannel<'d, C: Channel, T: GpioPin> {
ch: C,
_ch: PeripheralRef<'d, C>,
pin: Input<'d, T>,
}
impl<'d, C: Channel, T: GpioPin> Drop for InputChannel<'d, C, T> {
fn drop(&mut self) {
let g = regs();
let num = self.ch.number();
let num = self._ch.number();
g.config[num].write(|w| w.mode().disabled());
g.intenclr.write(|w| unsafe { w.bits(1 << num) });
}
}
impl<'d, C: Channel, T: GpioPin> InputChannel<'d, C, T> {
pub fn new(ch: C, pin: Input<'d, T>, polarity: InputChannelPolarity) -> Self {
pub fn new(ch: impl Peripheral<P = C> + 'd, pin: Input<'d, T>, polarity: InputChannelPolarity) -> Self {
into_ref!(ch);
let g = regs();
let num = ch.number();
@ -183,12 +185,12 @@ impl<'d, C: Channel, T: GpioPin> InputChannel<'d, C, T> {
g.events_in[num].reset();
InputChannel { ch, pin }
InputChannel { _ch: ch, pin }
}
pub async fn wait(&self) {
let g = regs();
let num = self.ch.number();
let num = self._ch.number();
// Enable interrupt
g.events_in[num].reset();
@ -209,27 +211,28 @@ impl<'d, C: Channel, T: GpioPin> InputChannel<'d, C, T> {
/// Returns the IN event, for use with PPI.
pub fn event_in(&self) -> Event {
let g = regs();
Event::from_reg(&g.events_in[self.ch.number()])
Event::from_reg(&g.events_in[self._ch.number()])
}
}
/// GPIOTE channel driver in output mode
pub struct OutputChannel<'d, C: Channel, T: GpioPin> {
ch: C,
_ch: PeripheralRef<'d, C>,
_pin: Output<'d, T>,
}
impl<'d, C: Channel, T: GpioPin> Drop for OutputChannel<'d, C, T> {
fn drop(&mut self) {
let g = regs();
let num = self.ch.number();
let num = self._ch.number();
g.config[num].write(|w| w.mode().disabled());
g.intenclr.write(|w| unsafe { w.bits(1 << num) });
}
}
impl<'d, C: Channel, T: GpioPin> OutputChannel<'d, C, T> {
pub fn new(ch: C, pin: Output<'d, T>, polarity: OutputChannelPolarity) -> Self {
pub fn new(ch: impl Peripheral<P = C> + 'd, pin: Output<'d, T>, polarity: OutputChannelPolarity) -> Self {
into_ref!(ch);
let g = regs();
let num = ch.number();
@ -252,47 +255,47 @@ impl<'d, C: Channel, T: GpioPin> OutputChannel<'d, C, T> {
unsafe { w.psel().bits(pin.pin.pin.pin()) }
});
OutputChannel { ch, _pin: pin }
OutputChannel { _ch: ch, _pin: pin }
}
/// Triggers `task out` (as configured with task_out_polarity, defaults to Toggle).
pub fn out(&self) {
let g = regs();
g.tasks_out[self.ch.number()].write(|w| unsafe { w.bits(1) });
g.tasks_out[self._ch.number()].write(|w| unsafe { w.bits(1) });
}
/// Triggers `task set` (set associated pin high).
#[cfg(not(feature = "nrf51"))]
pub fn set(&self) {
let g = regs();
g.tasks_set[self.ch.number()].write(|w| unsafe { w.bits(1) });
g.tasks_set[self._ch.number()].write(|w| unsafe { w.bits(1) });
}
/// Triggers `task clear` (set associated pin low).
#[cfg(not(feature = "nrf51"))]
pub fn clear(&self) {
let g = regs();
g.tasks_clr[self.ch.number()].write(|w| unsafe { w.bits(1) });
g.tasks_clr[self._ch.number()].write(|w| unsafe { w.bits(1) });
}
/// Returns the OUT task, for use with PPI.
pub fn task_out(&self) -> Task {
let g = regs();
Task::from_reg(&g.tasks_out[self.ch.number()])
Task::from_reg(&g.tasks_out[self._ch.number()])
}
/// Returns the CLR task, for use with PPI.
#[cfg(not(feature = "nrf51"))]
pub fn task_clr(&self) -> Task {
let g = regs();
Task::from_reg(&g.tasks_clr[self.ch.number()])
Task::from_reg(&g.tasks_clr[self._ch.number()])
}
/// Returns the SET task, for use with PPI.
#[cfg(not(feature = "nrf51"))]
pub fn task_set(&self) -> Task {
let g = regs();
Task::from_reg(&g.tasks_set[self.ch.number()])
Task::from_reg(&g.tasks_set[self._ch.number()])
}
}
@ -419,12 +422,6 @@ macro_rules! impl_channel {
$number as usize
}
}
impl sealed::Channel for &mut peripherals::$type {}
impl Channel for &mut peripherals::$type {
fn number(&self) -> usize {
$number as usize
}
}
};
}