52 lines
1.3 KiB
Rust

//! Prints time in milliseconds from the RTC Timer
#![no_std]
#![no_main]
use esp32h2_hal::{
clock::ClockControl,
peripherals::Peripherals,
prelude::*,
timer::TimerGroup,
Delay,
Rtc,
};
use esp_backtrace as _;
#[entry]
fn main() -> ! {
let peripherals = Peripherals::take();
let mut system = peripherals.PCR.split();
let clocks = ClockControl::boot_defaults(system.clock_control).freeze();
// Disable the watchdog timers. For the ESP32-H2, this includes the Super WDT,
// and the TIMG WDTs.
let mut rtc = Rtc::new(peripherals.LP_CLKRST);
let timer_group0 = TimerGroup::new(
peripherals.TIMG0,
&clocks,
&mut system.peripheral_clock_control,
);
let mut wdt0 = timer_group0.wdt;
let timer_group1 = TimerGroup::new(
peripherals.TIMG1,
&clocks,
&mut system.peripheral_clock_control,
);
let mut wdt1 = timer_group1.wdt;
rtc.swd.disable();
rtc.rwdt.disable();
wdt0.disable();
wdt1.disable();
// Initialize the Delay peripheral, and use it to toggle the LED state in a
// loop.
let mut delay = Delay::new(&clocks);
loop {
esp_println::println!("rtc time in milliseconds is {}", rtc.get_time_ms());
delay.delay_ms(1000u32);
}
}