//! Template project for Rust on ESP32-C3 (`no_std`) based on [`esp-hal`](https://github.com/esp-rs/esp-hal)
//!
//! Useful resources:
//! - [The Rust on ESP Book](https://docs.esp-rs.org/book/)
//! - [Embedded Rust (no_std) on Espressif](https://docs.esp-rs.org/no_std-training/)
//! - [Matrix channel](https://matrix.to/#/#esp-rs:matrix.org)

#![no_std]
#![no_main]

use esp_backtrace as _;
use esp_hal::{clock::ClockControl, gpio::*, peripherals::Peripherals, prelude::*, system::SystemControl, Delay};
use riscv_rt::entry;

#[entry]
fn main() -> ! {
    let peripherals = Peripherals::take().unwrap();
    let system = peripherals.SYSTEM.split();
    let clocks = ClockControl::boot_defaults(system.clock_control).freeze();
    let io = IO::new(peripherals.GPIO, peripherals.IO_MUX);
    let mut delay = Delay::new(&clocks);

    let mut led = io.pins.gpio8.into_push_pull_output();

    loop {
        led.set_high().unwrap();
        delay.delay_ms(500u32);
        led.set_low().unwrap();
        delay.delay_ms(500u32);
    }
}