52 lines
1.3 KiB
Rust
52 lines
1.3 KiB
Rust
//! Demonstrates deep sleep with timer and ext0 wakeup
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//!
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//! The following wiring is assumed:
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//! - ext0 wakeup pin => GPIO4
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//% CHIPS: esp32 esp32s3
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#![no_std]
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#![no_main]
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use core::time::Duration;
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use esp_backtrace as _;
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use esp_hal::{
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delay::Delay,
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entry,
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gpio::{Input, Io, Pull},
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rtc_cntl::{
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get_reset_reason,
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get_wakeup_cause,
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sleep::{Ext0WakeupSource, TimerWakeupSource, WakeupLevel},
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Rtc,
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SocResetReason,
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},
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Cpu,
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};
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use esp_println::println;
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#[entry]
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fn main() -> ! {
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let peripherals = esp_hal::init(esp_hal::Config::default());
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let mut rtc = Rtc::new(peripherals.LPWR);
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let io = Io::new(peripherals.GPIO, peripherals.IO_MUX);
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let ext0_pin = Input::new(io.pins.gpio4, Pull::None);
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println!("up and runnning!");
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let reason = get_reset_reason(Cpu::ProCpu).unwrap_or(SocResetReason::ChipPowerOn);
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println!("reset reason: {:?}", reason);
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let wake_reason = get_wakeup_cause();
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println!("wake reason: {:?}", wake_reason);
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let delay = Delay::new();
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let timer = TimerWakeupSource::new(Duration::from_secs(30));
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let ext0 = Ext0WakeupSource::new(ext0_pin, WakeupLevel::High);
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println!("sleeping!");
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delay.delay_millis(100);
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rtc.sleep_deep(&[&timer, &ext0]);
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}
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