esp-hal/examples/src/bin/sleep_timer_ext1.rs
Juraj Sadel 1e6165e04b
Runtime ISR binding and simple public API docs for RTC (#1405)
* Runtime ISR binding and simple public API docs for RTC

* changelog

* import dependencies instead of using full paths
2024-04-05 14:54:13 +00:00

56 lines
1.5 KiB
Rust

//! Demonstrates deep sleep with timer and ext1 (using gpio4 & gpio2) wakeup
//% CHIPS: esp32 esp32s3
#![no_std]
#![no_main]
use core::time::Duration;
use esp_backtrace as _;
use esp_hal::{
clock::ClockControl,
delay::Delay,
entry,
gpio::{RTCPin, IO},
peripherals::Peripherals,
prelude::*,
rtc_cntl::{
get_reset_reason,
get_wakeup_cause,
sleep::{Ext1WakeupSource, TimerWakeupSource, WakeupLevel},
Rtc,
SocResetReason,
},
Cpu,
};
use esp_println::println;
#[entry]
fn main() -> ! {
let peripherals = Peripherals::take();
let system = peripherals.SYSTEM.split();
let clocks = ClockControl::boot_defaults(system.clock_control).freeze();
let mut rtc = Rtc::new(peripherals.LPWR, None);
let io = IO::new(peripherals.GPIO, peripherals.IO_MUX);
let mut pin_0 = io.pins.gpio4;
let mut pin_2 = io.pins.gpio2;
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 mut delay = Delay::new(&clocks);
let timer = TimerWakeupSource::new(Duration::from_secs(30));
let mut wakeup_pins: [&mut dyn RTCPin; 2] = [&mut pin_0, &mut pin_2];
let ext1 = Ext1WakeupSource::new(&mut wakeup_pins, WakeupLevel::High);
println!("sleeping!");
delay.delay_millis(100);
rtc.sleep_deep(&[&timer, &ext1], &mut delay);
}