input.rs

use eh0::digital::v2::InputPin;
use ftdi_embedded_hal as hal;
use std::{thread::sleep, time::Duration};

const SLEEP_DURATION: Duration = Duration::from_millis(500);

fn main() {
    cfg_if::cfg_if! {
        if #[cfg(feature = "ftdi")] {
            let device = ftdi::find_by_vid_pid(0x0403, 0x6014)
            .interface(ftdi::Interface::A)
            .open()
            .unwrap();
        } else if #[cfg(feature = "libftd2xx")] {
            let device: libftd2xx::Ft232h = libftd2xx::Ftdi::new().unwrap().try_into().unwrap();
        } else {
            compile_error!("one of features 'ftdi' and 'libftd2xx' shall be enabled");
        }
    }

    let hal = hal::FtHal::init_default(device).unwrap();

    let input = hal.adi6().unwrap();

    println!("Pin readings:");
    loop {
        println!("AD6 = {}", input.is_high().expect("gpio read failure"));
        sleep(SLEEP_DURATION);
    }
}