Jesse Braham 4dd9fbdb7b
Disable all watchdog timers at startup by default (#763)
* Rework watchdog timer drivers to allow enabling/disabling and feeding without traits

* Disable all watchdogs prior to `main` using the `__post_init` hook

* Update all watchdog-related examples

* Update CHANGELOG

* Address review comment
2023-08-30 08:54:01 -07:00

36 lines
931 B
Rust

//! This demos the watchdog timer.
//! Basically the same as `hello_world` but if you remove the call to
//! `wdt.feed()` the watchdog will reset the system.
#![no_std]
#![no_main]
use esp32s2_hal::{clock::ClockControl, peripherals::Peripherals, prelude::*, timer::TimerGroup};
use esp_backtrace as _;
use esp_println::println;
use nb::block;
#[entry]
fn main() -> ! {
let peripherals = Peripherals::take();
let mut system = peripherals.SYSTEM.split();
let clocks = ClockControl::boot_defaults(system.clock_control).freeze();
let timer_group0 = TimerGroup::new(
peripherals.TIMG0,
&clocks,
&mut system.peripheral_clock_control,
);
let mut timer0 = timer_group0.timer0;
let mut wdt = timer_group0.wdt;
wdt.start(2u64.secs());
timer0.start(1u64.secs());
loop {
wdt.feed();
println!("Hello world!");
block!(timer0.wait()).unwrap();
}
}