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sleep_timer.rs
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sleep_timer.rs
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//! Demonstrates deep sleep with timer wakeup
//% CHIPS: esp32 esp32c3 esp32c6 esp32s3 esp32c2
#![no_std]
#![no_main]
use core::time::Duration;
use esp_backtrace as _;
use esp_hal::{
delay::Delay,
entry,
rtc_cntl::{get_reset_reason, get_wakeup_cause, sleep::TimerWakeupSource, Rtc, SocResetReason},
Cpu,
};
use esp_println::println;
#[entry]
fn main() -> ! {
let peripherals = esp_hal::init(esp_hal::Config::default());
let delay = Delay::new();
let mut rtc = Rtc::new(peripherals.LPWR);
println!("up and runnning!");
let reason = get_reset_reason(Cpu::ProCpu).unwrap_or(SocResetReason::ChipPowerOn);
println!("reset reason: {:?}", reason);
let wake_reason = get_wakeup_cause();
println!("wake reason: {:?}", wake_reason);
let timer = TimerWakeupSource::new(Duration::from_secs(5));
println!("sleeping!");
delay.delay_millis(100);
rtc.sleep_deep(&[&timer]);
}