embassy/examples/stm32f4/src/bin/rtc.rs

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2023-04-18 00:02:40 +02:00
#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use chrono::{NaiveDate, NaiveDateTime};
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::rtc::{Rtc, RtcConfig};
use embassy_time::{Duration, Timer};
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
info!("Hello World!");
let now = NaiveDate::from_ymd_opt(2020, 5, 15)
.unwrap()
.and_hms_opt(10, 30, 15)
.unwrap();
let mut rtc = Rtc::new(p.RTC, RtcConfig::default());
rtc.set_datetime(now.into()).expect("datetime not set");
// In reality the delay would be much longer
Timer::after(Duration::from_millis(20000)).await;
let _then: NaiveDateTime = rtc.now().unwrap().into();
}