40 lines
1.1 KiB
Rust
40 lines
1.1 KiB
Rust
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#![no_std]
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#![no_main]
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#![feature(type_alias_impl_trait)]
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use chrono::{NaiveDate, NaiveDateTime};
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use defmt::*;
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use embassy_executor::Spawner;
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use embassy_stm32::rcc::Lse;
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use embassy_stm32::rtc::{Rtc, RtcClockSource, RtcConfig};
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use embassy_stm32::Config;
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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 = {
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let mut config = Config::default();
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config.rcc.lse = Some(Lse::Oscillator);
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config.rcc.rtc_mux = Some(RtcClockSource::LSE);
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embassy_stm32::init(config)
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};
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info!("Hello World!");
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let now = NaiveDate::from_ymd_opt(2020, 5, 15)
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.unwrap()
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.and_hms_opt(10, 30, 15)
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.unwrap();
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let mut rtc = Rtc::new(p.RTC, RtcConfig::default());
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info!("Got RTC! {:?}", now.timestamp());
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rtc.set_datetime(now.into()).expect("datetime not set");
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// In reality the delay would be much longer
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Timer::after(Duration::from_millis(20000)).await;
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let then: NaiveDateTime = rtc.now().unwrap().into();
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info!("Got RTC! {:?}", then.timestamp());
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}
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