Define the desired API

src/domain/airport_data.rs

@@ -0,0 +1,7 @@
+#[derive(Debug, Clone)]
+pub struct AirportData {
+    pub icao: String,
+    pub lat: f64,
+    pub lon: f64,
+    pub alt: f64,
+}

src/domain/condition.rs

@@ -0,0 +1,5 @@
+#[derive(Debug, Clone)]
+pub enum ConditionEnum {
+    None,
+    Changed,
+}

src/domain/data_type.rs

@@ -0,0 +1,5 @@
+#[derive(Debug, Clone)]
+pub enum DataType {
+    F64,
+    Bool,
+}

src/domain/event.rs

@@ -0,0 +1,19 @@
+use std::os::raw::c_char;
+
+#[derive(Debug, Copy, Clone, num_enum::TryFromPrimitive)]
+#[repr(u32)]
+pub enum Event {
+    Brakes,
+    BrakesLeft,
+    AxisLeftBrakeSet,
+}
+
+impl Event {
+    pub(crate) fn into_c_char(self) -> *const c_char {
+        match self {
+            Event::Brakes => "BRAKES\0".as_ptr() as *const c_char,
+            Event::BrakesLeft => "BRAKES_LEFT\0".as_ptr() as *const c_char,
+            Event::AxisLeftBrakeSet => "AXIS_LEFT_BRAKE_SET\0".as_ptr() as *const c_char,
+        }
+    }
+}

src/domain/group.rs

@@ -0,0 +1,5 @@
+#[derive(Copy, Clone)]
+#[repr(u32)]
+pub enum Group {
+    Group0,
+}

src/domain/mod.rs

@@ -0,0 +1,15 @@
+mod airport_data;
+mod condition;
+mod data_type;
+mod event;
+mod group;
+mod notification;
+mod period;
+
+pub use airport_data::*;
+pub use condition::*;
+pub use data_type::*;
+pub use event::*;
+pub use group::*;
+pub use notification::*;
+pub use period::*;

src/domain/notification.rs

@@ -0,0 +1,28 @@
+use crate::{AirportData, Event, SimConnectObject};
+
+pub enum Notification {
+    Open,
+    Event(Event),
+    Data(NotificationData),
+    AirportList(Vec<AirportData>),
+    Quit,
+    Exception(u32),
+}
+
+pub struct NotificationData {
+    pub(crate) type_id: String,
+    pub(crate) data_addr: *const u32,
+}
+
+impl NotificationData {
+    pub fn try_into<T: SimConnectObject>(&self) -> Option<T> {
+        let type_id: String = std::any::type_name::<T>().into();
+
+        if self.type_id == type_id {
+            let data: &T = unsafe { std::mem::transmute_copy(&self.data_addr) };
+            Some(data.clone())
+        } else {
+            None
+        }
+    }
+}

src/domain/period.rs

@@ -0,0 +1,5 @@
+#[derive(Debug, Clone)]
+pub enum PeriodEnum {
+    VisualFrame { interval: u32 },
+    Second,
+}