/*!
 * Blink the builtin LED - the "Hello World" of embedded programming.
 */
#![no_std]
#![no_main]

use atmega_hal::{Usart, usart::Baudrate};
use embedded_hal::delay::DelayNs;
use panic_halt as _;

type CoreClock = atmega_hal::clock::MHz8;

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

    let a0 = pins.pc0;
    let a1 = pins.pc1;
    let a2 = pins.pc2;
    let a3 = pins.pc3;

    let mosi = pins.pb3;
    let miso = pins.pb4;
    let sck = pins.pb5;

    let rx = pins.pd0;
    let tx = pins.pd1;
    let d2 = pins.pd2;
    let d3 = pins.pd3;
    let d4 = pins.pd4;
    let d5 = pins.pd5;
    let d6 = pins.pd6;
    let d7 = pins.pd7;
    let d9 = pins.pb1;
    let d10 = pins.pb2;

    let mut led = pins.pb0.into_output();
    led.set_high();
    let mut delay = atmega_hal::delay::Delay::<CoreClock>::new();
    let mut serial = Usart::new(
        dp.USART0,
        rx,
        tx.into_output(),
        Baudrate::<CoreClock>::new(57600),
    );

    loop {
        led.toggle();
        delay.delay_ms(1000);
        ufmt::uwriteln!(&mut serial, "Hello from ATmega!\r").unwrap();
    }
}