use crate::ehal::watchdog;
use crate::pac::WDT;
#[repr(u8)]
#[derive(Copy, Clone, Eq, PartialEq, Debug)]
pub enum WatchdogTimeout {
Cycles8 = 0,
Cycles16,
Cycles32,
Cycles64,
Cycles128,
Cycles256,
Cycles512,
Cycles1K,
Cycles2K,
Cycles4K,
Cycles8K,
Cycles16K,
}
pub struct Watchdog {
wdt: WDT,
}
impl Watchdog {
pub fn new(wdt: WDT) -> Self {
Self { wdt }
}
}
impl watchdog::Watchdog for Watchdog {
fn feed(&mut self) {
self.wdt.clear.write(|w| unsafe { w.clear().bits(0xA5) });
}
}
impl watchdog::WatchdogDisable for Watchdog {
fn disable(&mut self) {
self.wdt.ctrla.write(|w| w.enable().clear_bit());
while self.wdt.syncbusy.read().enable().bit_is_set() {}
}
}
impl watchdog::WatchdogEnable for Watchdog {
type Time = u8;
fn start<T>(&mut self, period: T)
where
T: Into<Self::Time>,
{
self.wdt
.config
.write(|w| unsafe { w.per().bits(period.into()) });
self.wdt.ctrla.write(|w| w.enable().set_bit());
while self.wdt.syncbusy.read().enable().bit_is_set() {}
}
}