d819945522
* Make the example work * Make GPIO wakeups work * Add example * revert hello_rgb change * Clean up the first hacky version * Fix example warnings * Add changelog entry * Fix example comment * Stop skipping rustfmt
59 lines
1.6 KiB
Rust
59 lines
1.6 KiB
Rust
//! Demonstrates deep sleep with timer, using gpio2 (low) and gpio3 (high) as
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//! wakeup.
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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 esp32c3_hal as hal;
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use esp_backtrace as _;
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use esp_hal_common::{gpio::RTCPinWithResistors, rtc_cntl::sleep::RtcioWakeupSource};
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use esp_println::println;
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use hal::{
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clock::ClockControl,
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entry,
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peripherals::Peripherals,
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prelude::*,
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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::{TimerWakeupSource, WakeupLevel},
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SocResetReason,
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},
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Delay,
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Rtc,
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IO,
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};
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#[entry]
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fn main() -> ! {
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let peripherals = Peripherals::take();
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let system = peripherals.SYSTEM.split();
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let clocks = ClockControl::boot_defaults(system.clock_control).freeze();
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let mut rtc = Rtc::new(peripherals.RTC_CNTL);
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let io = IO::new(peripherals.GPIO, peripherals.IO_MUX);
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let mut pin2 = io.pins.gpio2;
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let mut pin3 = io.pins.gpio3;
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println!("up and runnning!");
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let reason = get_reset_reason(hal::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 mut delay = Delay::new(&clocks);
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let timer = TimerWakeupSource::new(Duration::from_secs(10));
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let wakeup_pins: &mut [(&mut dyn RTCPinWithResistors, WakeupLevel)] = &mut [
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(&mut pin2, WakeupLevel::Low),
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(&mut pin3, WakeupLevel::High),
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];
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let rtcio = RtcioWakeupSource::new(wakeup_pins);
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println!("sleeping!");
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delay.delay_ms(100u32);
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rtc.sleep_deep(&[&timer, &rtcio], &mut delay);
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}
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