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    use core::ffi::{c_int, c_uchar};

    pub const EEPROM_STORAGE_SPACE_START: i16 = 16;

    extern "C" {
        #[link_name = "arduboy_eeprom_read"]
        fn arduboy_eeprom_read_raw(idx: c_int) -> c_uchar;
        #[link_name = "arduboy_eeprom_update"]
        fn arduboy_eeprom_update_raw(idx: c_int, val: c_uchar);
        #[link_name = "arduboy_eeprom_write"]
        fn arduboy_eeprom_write_raw(idx: c_int, val: c_uchar);
        #[link_name = "arduboy_eeprom_get"]
        fn arduboy_eeprom_get_raw(idx: c_int, object: *mut u8, size: usize);
        #[link_name = "arduboy_eeprom_put"]
        fn arduboy_eeprom_put_raw(idx: c_int, object: *const u8, size: usize);
    }
    ///This is the struct to store and read structs objects to/from eeprom memory.
    /// ## Example
    /// ```
    /// static e: EEPROM = EEPROM::new(10);
    /// struct Scorebord {
    ///     player1: u16,
    ///     text: &'static str,
    /// }
    /// static mut s: Scorebord = Scorebord {
    ///     player1: 0,
    ///     text: "lol\0",
    /// };
    ///
    /// // init inside of the setup function
    /// e.init(&mut s);
    /// ```
    pub struct EEPROM {
        start_c1: i16,
        start_c2: i16,
        idx: i16,
    }
    impl EEPROM {
        pub const fn new(mut idx: i16) -> EEPROM {
            if idx > 950 {
                idx = 0
            }
            EEPROM {
                start_c1: EEPROM_STORAGE_SPACE_START + idx,
                start_c2: EEPROM_STORAGE_SPACE_START + idx + 1,
                idx: EEPROM_STORAGE_SPACE_START + idx + 2,
            }
        }
        pub fn init<T>(&self, your_struct: &mut T) {
            let c1 = self.read(self.start_c1);
            let c2 = self.read(self.start_c2);

            if c1 != b'Z' || c2 != b'D' {
                self.update(self.start_c1, b'Z');
                self.update(self.start_c2, b'D');
                self.put(your_struct);
            };
            self.get(your_struct)
        }
        fn read(&self, idx: i16) -> u8 {
            unsafe { arduboy_eeprom_read_raw(idx) }
        }
        fn update(&self, idx: i16, val: u8) {
            unsafe { arduboy_eeprom_update_raw(idx, val) }
        }
        pub fn get<T>(&self, your_struct: &mut T) {
            let pointer = your_struct as *mut T;
            let object_pointer = pointer as *mut u8;
            let object_size = core::mem::size_of::<T>();

            unsafe {
                arduboy_eeprom_get_raw(self.idx, object_pointer, object_size);
            };
        }
        pub fn get_direct<T>(&self) -> T {
            let mut buffer = core::mem::MaybeUninit::<T>::uninit();

            let pointer = buffer.as_mut_ptr();
            let object_pointer = pointer as *mut u8;
            let object_size = core::mem::size_of::<T>();

            unsafe {
                arduboy_eeprom_get_raw(self.idx, object_pointer, object_size);
            };

            return unsafe { buffer.assume_init() };
        }
        pub fn put<T>(&self, your_struct: &T) {
            let pointer = your_struct as *const T;
            let object_pointer = pointer as *const u8;
            let object_size = core::mem::size_of::<T>();

            unsafe {
                arduboy_eeprom_put_raw(self.idx, object_pointer, object_size);
            };
        }
    }
    ///Use this struct to store and read single bytes to/from eeprom memory.
    pub struct EEPROMBYTE {
        start_c1: i16,
        start_c2: i16,
        idx: i16,
    }
    impl EEPROMBYTE {
        pub const fn new(mut idx: i16) -> EEPROMBYTE {
            if idx > 1010 {
                idx = 0
            }
            EEPROMBYTE {
                start_c1: EEPROM_STORAGE_SPACE_START + idx,
                start_c2: EEPROM_STORAGE_SPACE_START + idx + 1,
                idx: EEPROM_STORAGE_SPACE_START + idx + 2,
            }
        }
        pub fn init(&self) {
            let c1 = self.read_intern(self.start_c1);
            let c2 = self.read_intern(self.start_c2);

            if c1 != b'Z' || c2 != b'D' {
                self.update_intern(self.start_c1, b'Z');
                self.update_intern(self.start_c2, b'D');
                self.update(0);
            };
        }
        fn read_intern(&self, idx: i16) -> u8 {
            unsafe { arduboy_eeprom_read_raw(idx) }
        }
        pub fn read(&self) -> u8 {
            unsafe { arduboy_eeprom_read_raw(self.idx) }
        }
        fn update_intern(&self, idx: i16, val: u8) {
            unsafe { arduboy_eeprom_update_raw(idx, val) }
        }
        pub fn update(&self, val: u8) {
            unsafe { arduboy_eeprom_update_raw(self.idx, val) }
        }
        pub fn write(&self, val: u8) {
            unsafe { arduboy_eeprom_write_raw(self.idx, val) }
        }
    }

    ///Use this struct to store and read single bytes to/from eeprom memory without using a check digit.
    ///Unlike the other eeprom structs, this does not need to be initialised.
    pub struct EEPROMBYTECHECKLESS {
        idx: i16,
    }
    impl EEPROMBYTECHECKLESS {
        pub const fn new(mut idx: i16) -> EEPROMBYTECHECKLESS {
            if idx > 1010 {
                idx = 0
            }
            EEPROMBYTECHECKLESS {
                idx: EEPROM_STORAGE_SPACE_START + idx,
            }
        }
        pub fn read(&self) -> u8 {
            unsafe { arduboy_eeprom_read_raw(self.idx) }
        }
        pub fn update(&self, val: u8) {
            unsafe { arduboy_eeprom_update_raw(self.idx, val) }
        }
        pub fn write(&self, val: u8) {
            unsafe { arduboy_eeprom_write_raw(self.idx, val) }
        }
    }