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#![no_std]
#![cfg_attr(feature = "usb", feature(align_offset, ptr_offset_from))]

#[cfg(feature = "samd21g18a")]
pub extern crate atsamd21g18a;
#[cfg(feature = "samd21g18a")]
pub use atsamd21g18a as target_device;

#[cfg(feature = "samd21e18a")]
pub extern crate atsamd21e18a;
#[cfg(feature = "samd21e18a")]
pub use atsamd21e18a as target_device;

#[cfg_attr(feature = "usb", macro_use)]
extern crate bitfield;

extern crate vcell;

#[cfg(feature = "use_rtt")]
pub extern crate jlink_rtt;

#[cfg(feature = "use_rtt")]
#[macro_export]
macro_rules! dbgprint {
    ($($arg:tt)*) => {
        {
            use core::fmt::Write;
            let mut out = $crate::jlink_rtt::NonBlockingOutput::new();
            writeln!(out, $($arg)*).ok();
        }
    };
}

#[cfg(not(feature = "use_rtt"))]
#[macro_export]
macro_rules! dbgprint {
    ($($arg:tt)*) => {{}};
}

#[cfg_attr(feature = "usb", macro_use)]
extern crate cortex_m;
pub extern crate embedded_hal as hal;
extern crate nb;
pub extern crate paste;

#[cfg(feature = "usb")]
pub extern crate usb_device;

extern crate void;

mod calibration;
pub mod clock;
pub mod delay;
pub mod gpio;
pub mod prelude;
pub mod sercom;
pub mod time;
pub mod timer;

#[cfg(feature = "usb")]
pub mod usb;