47 lines
1.1 KiB
Rust
47 lines
1.1 KiB
Rust
#![no_std]
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#![no_main]
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#![feature(type_alias_impl_trait)]
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use defmt::*;
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use embassy_executor::Spawner;
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use embassy_stm32::gpio::{Level, Output, Speed};
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use embassy_stm32::wdg::IndependentWatchdog;
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use embassy_time::{Duration, Timer};
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use {defmt_rtt as _, panic_probe as _};
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#[embassy_executor::main]
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async fn main(_spawner: Spawner) {
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let p = embassy_stm32::init(Default::default());
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info!("Hello World!");
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let mut led = Output::new(p.PB7, Level::High, Speed::Low);
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let mut wdt = IndependentWatchdog::new(p.IWDG, 1_000_000);
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unsafe {
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wdt.unleash();
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}
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let mut i = 0;
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loop {
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info!("high");
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led.set_high();
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Timer::after(Duration::from_millis(300)).await;
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info!("low");
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led.set_low();
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Timer::after(Duration::from_millis(300)).await;
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// Pet watchdog for 5 iterations and then stop.
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// MCU should restart in 1 second after the last pet.
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if i < 5 {
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info!("Petting watchdog");
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unsafe {
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wdt.pet();
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}
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}
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i += 1;
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}
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}
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