#![no_std]
#![no_main]
use esp_backtrace as _;
use esp_println::println;
use hal::{clock::ClockControl, peripherals::Peripherals, prelude::*, timer::TimerGroup, Rtc,IO};
#[entry]
fn main() -> ! {
let peripherals = Peripherals::take();
let mut system = peripherals.SYSTEM.split();
let clocks = ClockControl::boot_defaults(system.clock_control).freeze();
// Disable the RTC and TIMG watchdog timers
let mut rtc = Rtc::new(peripherals.RTC_CNTL);
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();
println!("Hello world!");
// Set GPIO7 as an output, and set its state high initially.
let io = IO::new(peripherals.GPIO, peripherals.IO_MUX);
let mut led = io.pins.gpio7.into_push_pull_output();
let button = io.pins.gpio8.into_pull_up_input();
loop {
if button.is_high().unwrap() {
led.set_high().unwrap();
} else {
led.set_low().unwrap();
}
}
}