53 lines
1.2 KiB
Rust
53 lines
1.2 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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// required-features: chrono
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#[path = "../example_common.rs"]
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mod example_common;
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use chrono::{NaiveDate, NaiveDateTime};
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use defmt::assert;
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use embassy_executor::Spawner;
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use embassy_stm32::pac;
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use embassy_stm32::rtc::{Rtc, RtcConfig};
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use embassy_time::{Duration, Timer};
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use example_common::*;
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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(config());
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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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info!("Starting LSI");
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unsafe {
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pac::RCC.csr().modify(|w| w.set_lsion(true));
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while !pac::RCC.csr().read().lsirdy() {}
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}
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info!("Started LSI");
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let mut rtc = Rtc::new(p.RTC, RtcConfig::default());
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rtc.set_datetime(now.into()).expect("datetime not set");
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info!("Waiting 5 seconds");
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Timer::after(Duration::from_millis(5000)).await;
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let then: NaiveDateTime = rtc.now().unwrap().into();
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let seconds = (then - now).num_seconds();
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defmt::info!("measured = {}", seconds);
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assert!(seconds > 3 && seconds < 7);
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info!("Test OK");
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cortex_m::asm::bkpt();
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}
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