#![no_std] #![no_main] use esp32c3_hal::{gpio::IO, pac::Peripherals, prelude::*, RtcCntl, Timer}; use nb::block; use panic_halt as _; use riscv_rt::entry; #[entry] fn main() -> ! { let peripherals = Peripherals::take().unwrap(); let io = IO::new(peripherals.GPIO, peripherals.IO_MUX); let mut led = io.pins.gpio5.into_push_pull_output(); let rtc_cntl = RtcCntl::new(peripherals.RTC_CNTL); let mut timer0 = Timer::new(peripherals.TIMG0); let mut timer1 = Timer::new(peripherals.TIMG1); // Disable watchdog timers rtc_cntl.set_super_wdt_enable(false); rtc_cntl.set_wdt_enable(false); timer0.disable(); timer1.disable(); led.set_high().unwrap(); timer0.start(10_000_000u64); loop { led.toggle().unwrap(); block!(timer0.wait()).unwrap(); } }