#![no_std]
#![no_main]
use feather_m4 as bsp;
#[cfg(not(feature = "use_semihosting"))]
use panic_halt as _;
#[cfg(feature = "use_semihosting")]
use panic_semihosting as _;
use bsp::entry;
use bsp::hal;
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.MCLK,
&mut peripherals.OSC32KCTRL,
&mut peripherals.OSCCTRL,
&mut peripherals.NVMCTRL,
);
let pins = bsp::Pins::new(peripherals.PORT);
let mut red_led = pins.d13.into_push_pull_output();
let mut delay = Delay::new(core.SYST, &mut clocks);
loop {
delay.delay_ms(2000u16);
red_led.set_high().unwrap();
delay.delay_ms(2000u16);
red_led.set_low().unwrap();
}
}