#![no_std]
#![no_main]

use panic_halt as _;

use bsp::hal;
use feather_m0 as bsp;

use bsp::entry;
use hal::clock::{GenericClockController};
use hal::delay::Delay;
use hal::pac::{CorePeripherals, Peripherals};
use hal::prelude::*;

#[entry]
fn main() -> ! {
    let mut peripherals = Peripherals::take().unwrap();
    let core = CorePeripherals::take().unwrap();
    let mut clocks = GenericClockController::with_external_32kosc(
        peripherals.GCLK,
        &mut peripherals.PM,
        &mut peripherals.SYSCTRL,
        &mut peripherals.NVMCTRL,
    );
    let pins = bsp::Pins::new(peripherals.PORT);
    let mut delay = Delay::new(core.SYST, &mut clocks);
    let mut red_led = pins.d13.into_push_pull_output();


    red_led.set_high().unwrap();
    delay.delay_ms(500_u32);
    red_led.set_low().unwrap();
    delay.delay_ms(500_u32);
    red_led.set_high().unwrap();

    red_led.set_low().unwrap();
    delay.delay_ms(500_u32);


    loop {
        delay.delay_ms(1_000_u32);
        red_led.set_high().unwrap();
        delay.delay_ms(1_000_u32);
        red_led.set_low().unwrap();
    }
}