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//! This example shows how to use RTC (Real Time Clock) in the RP2040 chip.
#![no_std]
#![no_main]
use defmt::*;
use embassy_executor::Spawner;
use embassy_rp::bind_interrupts;
use embassy_rp::rtc::{DateTime, DayOfWeek, Rtc};
use embassy_time::Timer;
use {defmt_rtt as _, panic_probe as _};
// Bind the RTC interrupt to the handler
bind_interrupts!(struct Irqs {
RTC_IRQ => embassy_rp::rtc::InterruptHandler;
});
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_rp::init(Default::default());
info!("Wait for 20s");
let mut rtc = Rtc::new(p.RTC, Irqs);
if !rtc.is_running() {
info!("Start RTC");
let now = DateTime {
year: 2000,
month: 1,
day: 1,
day_of_week: DayOfWeek::Saturday,
hour: 0,
minute: 0,
second: 0,
};
rtc.set_datetime(now).unwrap();
}
Timer::after_millis(20000).await;
if let Ok(dt) = rtc.now() {
info!(
"Now: {}-{:02}-{:02} {}:{:02}:{:02}",
dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second,
);
}
info!("Reboot.");
Timer::after_millis(200).await;
cortex_m::peripheral::SCB::sys_reset();
}
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