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Remove lifetime, use pac fields

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This commit is contained in:
kalkyl 2022-12-24 03:22:51 +01:00
parent eaad0cc1dc
commit e090ab1915
2 changed files with 10 additions and 10 deletions
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14
embassy-rp/src/watchdog.rs
View File

@ -14,12 +14,12 @@ use crate::pac;
use crate::peripherals::WATCHDOG;
/// Watchdog peripheral
pub struct Watchdog<'d> {
phantom: PhantomData<&'d WATCHDOG>,
pub struct Watchdog {
phantom: PhantomData<WATCHDOG>,
load_value: u32, // decremented by 2 per tick (µs)
}
impl<'d> Watchdog<'d> {
impl Watchdog {
/// Create a new `Watchdog`
pub fn new(_watchdog: WATCHDOG) -> Self {
Self {
@ -35,12 +35,12 @@ impl<'d> Watchdog<'d> {
/// * `cycles` - Total number of tick cycles before the next tick is generated.
/// It is expected to be the frequency in MHz of clk_ref.
pub fn enable_tick_generation(&mut self, cycles: u8) {
const WATCHDOG_TICK_ENABLE_BITS: u32 = 0x200;
unsafe {
let watchdog = pac::WATCHDOG;
watchdog
.tick()
.write_value(pac::watchdog::regs::Tick(WATCHDOG_TICK_ENABLE_BITS | cycles as u32))
watchdog.tick().write(|w| {
w.set_enable(true);
w.set_cycles(cycles.into())
});
}
}

6
examples/rp/src/bin/watchdog.rs
View File

@ -22,11 +22,11 @@ async fn main(_spawner: Spawner) {
led.set_high();
Timer::after(Duration::from_secs(2)).await;
// Set to watchdog to reset if it's not reloaded within 1.05 seconds, and start it
// Set to watchdog to reset if it's not fed within 1.05 seconds, and start it
watchdog.start(Duration::from_millis(1_050));
info!("Started the watchdog timer");
// Blink once a second for 5 seconds, refreshing the watchdog timer once a second to avoid a reset
// Blink once a second for 5 seconds, feed the watchdog timer once a second to avoid a reset
for _ in 1..=5 {
led.set_low();
Timer::after(Duration::from_millis(500)).await;
@ -38,7 +38,7 @@ async fn main(_spawner: Spawner) {
info!("Stopped feeding, device will reset in 1.05 seconds");
// Blink 10 times per second, not feeding the watchdog.
// The processor should reset in 1.05 seconds, or 5 blinks time
// The processor should reset in 1.05 seconds.
loop {
led.set_low();
Timer::after(Duration::from_millis(100)).await;