embassy/tests/stm32/src/bin/rtc.rs
2023-06-19 03:22:12 +02:00

49 lines
1.1 KiB
Rust

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
#[path = "../common.rs"]
mod common;
use chrono::{NaiveDate, NaiveDateTime};
use common::*;
use defmt::assert;
use embassy_executor::Spawner;
use embassy_stm32::pac;
use embassy_stm32::rtc::{Rtc, RtcConfig};
use embassy_time::{Duration, Timer};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(config());
info!("Hello World!");
let now = NaiveDate::from_ymd_opt(2020, 5, 15)
.unwrap()
.and_hms_opt(10, 30, 15)
.unwrap();
info!("Starting LSI");
pac::RCC.csr().modify(|w| w.set_lsion(true));
while !pac::RCC.csr().read().lsirdy() {}
info!("Started LSI");
let mut rtc = Rtc::new(p.RTC, RtcConfig::default());
rtc.set_datetime(now.into()).expect("datetime not set");
info!("Waiting 5 seconds");
Timer::after(Duration::from_millis(5000)).await;
let then: NaiveDateTime = rtc.now().unwrap().into();
let seconds = (then - now).num_seconds();
defmt::info!("measured = {}", seconds);
assert!(seconds > 3 && seconds < 7);
info!("Test OK");
cortex_m::asm::bkpt();
}