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nrf: add initial nrf5340 support

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This commit is contained in:
Dario Nieuwenhuis
2021-10-28 03:07:06 +02:00
parent c995a97f20
commit 663141b4e4
12 changed files with 1038 additions and 86 deletions
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81
embassy-nrf/src/gpiote.rs
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@ -41,6 +41,18 @@ pub enum OutputChannelPolarity {
Toggle,
}
fn regs() -> &'static pac::gpiote::RegisterBlock {
cfg_if::cfg_if! {
if #[cfg(any(feature="nrf5340-app-s", feature="nrf9160-s"))] {
unsafe { &*pac::GPIOTE0::ptr() }
} else if #[cfg(any(feature="nrf5340-app-ns", feature="nrf9160-ns"))] {
unsafe { &*pac::GPIOTE1::ptr() }
} else {
unsafe { &*pac::GPIOTE::ptr() }
}
}
}
pub(crate) fn init(irq_prio: crate::interrupt::Priority) {
#[cfg(any(feature = "nrf52833", feature = "nrf52840"))]
let ports = unsafe { &[&*pac::P0::ptr(), &*pac::P1::ptr()] };
@ -55,35 +67,46 @@ pub(crate) fn init(irq_prio: crate::interrupt::Priority) {
}
// Enable interrupts
#[cfg(not(feature = "_nrf9160"))]
let irq = unsafe { interrupt::GPIOTE::steal() };
#[cfg(feature = "_nrf9160")]
let irq = unsafe { interrupt::GPIOTE1::steal() };
cfg_if::cfg_if! {
if #[cfg(any(feature="nrf5340-app-s", feature="nrf9160-s"))] {
let irq = unsafe { interrupt::GPIOTE0::steal() };
} else if #[cfg(any(feature="nrf5340-app-ns", feature="nrf9160-ns"))] {
let irq = unsafe { interrupt::GPIOTE1::steal() };
} else {
let irq = unsafe { interrupt::GPIOTE::steal() };
}
}
irq.unpend();
irq.set_priority(irq_prio);
irq.enable();
let g = unsafe { &*pac::GPIOTE::ptr() };
let g = regs();
g.events_port.write(|w| w);
g.intenset.write(|w| w.port().set());
}
#[cfg(not(feature = "_nrf9160"))]
#[interrupt]
fn GPIOTE() {
unsafe { handle_gpiote_interrupt() };
}
#[cfg(feature = "_nrf9160")]
#[interrupt]
fn GPIOTE1() {
unsafe { handle_gpiote_interrupt() };
cfg_if::cfg_if! {
if #[cfg(any(feature="nrf5340-app-s", feature="nrf9160-s"))] {
#[interrupt]
fn GPIOTE0() {
unsafe { handle_gpiote_interrupt() };
}
} else if #[cfg(any(feature="nrf5340-app-ns", feature="nrf9160-ns"))] {
#[interrupt]
fn GPIOTE1() {
unsafe { handle_gpiote_interrupt() };
}
} else {
#[interrupt]
fn GPIOTE() {
unsafe { handle_gpiote_interrupt() };
}
}
}
unsafe fn handle_gpiote_interrupt() {
let g = &*pac::GPIOTE::ptr();
let g = regs();
for i in 0..CHANNEL_COUNT {
if g.events_in[i].read().bits() != 0 {
@ -135,7 +158,7 @@ pub struct InputChannel<'d, C: Channel, T: GpioPin> {
impl<'d, C: Channel, T: GpioPin> Drop for InputChannel<'d, C, T> {
fn drop(&mut self) {
let g = unsafe { &*pac::GPIOTE::ptr() };
let g = regs();
let num = self.ch.number();
g.config[num].write(|w| w.mode().disabled());
g.intenclr.write(|w| unsafe { w.bits(1 << num) });
@ -144,7 +167,7 @@ impl<'d, C: Channel, T: GpioPin> Drop for InputChannel<'d, C, T> {
impl<'d, C: Channel, T: GpioPin> InputChannel<'d, C, T> {
pub fn new(ch: C, pin: Input<'d, T>, polarity: InputChannelPolarity) -> Self {
let g = unsafe { &*pac::GPIOTE::ptr() };
let g = regs();
let num = ch.number();
g.config[num].write(|w| {
@ -168,7 +191,7 @@ impl<'d, C: Channel, T: GpioPin> InputChannel<'d, C, T> {
}
pub async fn wait(&self) {
let g = unsafe { &*pac::GPIOTE::ptr() };
let g = regs();
let num = self.ch.number();
// Enable interrupt
@ -189,7 +212,7 @@ 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 = unsafe { &*pac::GPIOTE::ptr() };
let g = regs();
Event::from_reg(&g.events_in[self.ch.number()])
}
}
@ -214,7 +237,7 @@ pub struct OutputChannel<'d, C: Channel, T: GpioPin> {
impl<'d, C: Channel, T: GpioPin> Drop for OutputChannel<'d, C, T> {
fn drop(&mut self) {
let g = unsafe { &*pac::GPIOTE::ptr() };
let g = regs();
let num = self.ch.number();
g.config[num].write(|w| w.mode().disabled());
g.intenclr.write(|w| unsafe { w.bits(1 << num) });
@ -223,7 +246,7 @@ impl<'d, C: Channel, T: GpioPin> Drop for OutputChannel<'d, C, T> {
impl<'d, C: Channel, T: GpioPin> OutputChannel<'d, C, T> {
pub fn new(ch: C, pin: Output<'d, T>, polarity: OutputChannelPolarity) -> Self {
let g = unsafe { &*pac::GPIOTE::ptr() };
let g = regs();
let num = ch.number();
g.config[num].write(|w| {
@ -250,41 +273,41 @@ impl<'d, C: Channel, T: GpioPin> OutputChannel<'d, C, T> {
/// Triggers `task out` (as configured with task_out_polarity, defaults to Toggle).
pub fn out(&self) {
let g = unsafe { &*pac::GPIOTE::ptr() };
let g = regs();
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 = unsafe { &*pac::GPIOTE::ptr() };
let g = regs();
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 = unsafe { &*pac::GPIOTE::ptr() };
let g = regs();
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 = unsafe { &*pac::GPIOTE::ptr() };
let g = regs();
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 = unsafe { &*pac::GPIOTE::ptr() };
let g = regs();
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 = unsafe { &*pac::GPIOTE::ptr() };
let g = regs();
Task::from_reg(&g.tasks_set[self.ch.number()])
}
}