#![no_std]
#![no_main]

use panic_halt as _;

use riscv_rt::entry;
use longan_nano::hal::{pac, prelude::*};
use longan_nano::sprintln;

#[entry]
fn main() -> ! {
    let dp = pac::Peripherals::take().unwrap();

    // Configure clocks
    let mut rcu = dp.RCU.configure()
        .ext_hf_clock(8.mhz())
        .sysclk(108.mhz())
        .freeze();

    let mut afio = dp.AFIO.constrain(&mut rcu);

    let gpioa = dp.GPIOA.split(&mut rcu);
    longan_nano::stdout::configure(dp.USART0, gpioa.pa9, gpioa.pa10, 115_200.bps(), &mut afio, &mut rcu);

    sprintln!("Hello, world");

    loop { }
}