#[derive(Debug)]
#[repr(C)]
struct Header {
    timestamp_ns: i64,
    message_id: u16,
    message_version: u16,
    sequence_number: u16,
    reserved: [u8; 4],
    length_bytes: u16,
    // padding
}

fn main() {
    let data: &[u8] = &[
        0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,  // timestamp
           0x00, 0x00,                                      // IMU Message ID
           0x00, 0x00,                                      // Message version
           0x00, 0x00,                                      // Sequence number
           0x00, 0x00, 0x00, 0x00,                          // reserved
           0x01, 0x00,

    ];

    let mut target: std::mem::MaybeUninit<Header> = std::mem::MaybeUninit::uninit();

    let mut target_ptr = target.as_mut_ptr() as *mut u8;
    unsafe { std::ptr::copy_nonoverlapping(data.as_ptr(), target_ptr, 20) };


    let header = unsafe { target.assume_init() };

    println!("{:?}", header);
}