#![no_std]
#![no_main]

use arduino_uno::{adc::{Adc, AdcSettings}, hal::{clock::MHz16, port::{mode::{Floating, Input, Output}, portd::{PD0, PD1}}, usart::Usart}, pac::USART0, prelude::*};
use panic_halt as _;

type _Serial = Usart<USART0, PD0<Input<Floating>>, PD1<Output>, MHz16>;

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

    let mut pins = arduino_uno::Pins::new(dp.PORTB, dp.PORTC, dp.PORTD);

    let mut led = pins.d13.into_output(&mut pins.ddr);
    led.set_low().void_unwrap();

    let mut serial = arduino_uno::Serial::new(
        dp.USART0,
        pins.d0,
        pins.d1.into_output(&mut pins.ddr),
        57600.into_baudrate(),
    );

    let mut adc = Adc::new(dp.ADC, AdcSettings::default());

    let mut a0 = pins.a0.into_analog_input(&mut adc);
    let mut a1 = pins.a1.into_analog_input(&mut adc);
    let mut a2 = pins.a2.into_analog_input(&mut adc);

    loop {
        let a0: u16 = nb::block!(adc.read(&mut a0)).void_unwrap();
        let a1: u16 = nb::block!(adc.read(&mut a1)).void_unwrap();
        let a2: u16 = nb::block!(adc.read(&mut a2)).void_unwrap();
        // let b = nb::block!(serial.read()).void_unwrap();
        match serial.read() {
            Ok(_) => (),
            Err(_) => (),
        }
        arduino_uno::delay_ms(100);
    }
}