#![no_std]
#![no_main]

use stm32f3xx_hal::{self as hal, adc, pac, prelude::*};

use {defmt_rtt as _, panic_halt as _};

static POT_MAX: u16 = 4095;

mod motor;
//use motor::*;

#[cortex_m_rt::entry]
fn main() -> ! {
    let sp = pac::Peripherals::take().unwrap();
    let mut rcc = sp.RCC.constrain();
    let mut gpiob = sp.GPIOB.split(&mut rcc.ahb);
    let mut led = gpiob
        .pb2
        .into_push_pull_output(&mut gpiob.moder, &mut gpiob.otyper);

    let mut pot = gpiob.pb1.into_analog(&mut gpiob.moder, &mut gpiob.pupdr);

    let mut flash = sp.FLASH.constrain();
    let clocks = rcc.cfgr.freeze(&mut flash.acr);
    let cp = cortex_m::Peripherals::take().unwrap();
    let mut delay = hal::delay::Delay::new(cp.SYST, clocks);

    let adc_common = adc::CommonAdc::new(sp.ADC1_2, &clocks, &mut rcc.ahb);
    let mut padc = adc::Adc::new(
        sp.ADC1,
        adc::config::Config::default(),
        &clocks,
        &adc_common,
    );

    loop {
        let pot_out: u16 = padc.read(&mut pot).unwrap_or(0);
        let pot_out = (POT_MAX - pot_out) as f32 / POT_MAX as f32;
        let pot_out = (4000.0 * pot_out) as u32;

        led.toggle().unwrap();
        delay.delay_ms(pot_out);
    }
}