commit e59b3f3a5f4995fa26dc00062712b8b6e9d1fdaa
Author: Sergey Savelyev <sergeysav.nn@gmail.com>
Date:   Sun Mar 30 10:58:46 2025 -0700

    Initial Commit

diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 0000000..d4d977a
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,2 @@
+[target.aarch64-unknown-linux-gnu]
+linker = "aarch64-unknown-linux-gnu-gcc"
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..604ef9f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+
+.idea/
+/target
+/logs
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..beba15e
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,353 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
+[[package]]
+name = "android_system_properties"
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+dependencies = [
+ "libc",
+]
+
+[[package]]
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+
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+ "shlex",
+]
+
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+dependencies = [
+ "android-tzdata",
+ "iana-time-zone",
+ "js-sys",
+ "num-traits",
+ "wasm-bindgen",
+ "windows-link",
+]
+
+[[package]]
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+ "log",
+]
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+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "log",
+ "wasm-bindgen",
+ "windows-core",
+]
+
+[[package]]
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+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "js-sys"
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+dependencies = [
+ "once_cell",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.171"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+[[package]]
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+
+[[package]]
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+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "chrono",
+ "fern",
+ "log",
+ "rppal",
+]
+
+[[package]]
+name = "nautilus_ground"
+version = "0.1.0"
+
+[[package]]
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+ "autocfg",
+]
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+ "unicode-ident",
+]
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+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "rustversion",
+ "wasm-bindgen-macro",
+]
+
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+ "bumpalo",
+ "log",
+ "proc-macro2",
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+ "syn",
+ "wasm-bindgen-shared",
+]
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+]
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+]
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+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
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+
+[[package]]
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+version = "0.52.6"
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..79e1465
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,3 @@
+[workspace]
+resolver = "3"
+members = ["common", "flight", "ground"]
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..b8f7bcf
--- /dev/null
+++ b/README.md
@@ -0,0 +1,15 @@
+# Project Nautilus
+
+## Prerequisites
+
+1. Install `aarch64-unknown-linux-gnu` linker
+    1. macOS: https://github.com/messense/homebrew-macos-cross-toolchains
+
+## Build Ground
+
+`cargo build --bin nautilus-ground`
+
+## Build Flight
+
+`cargo build --target aarch64-unknown-linux-gnu --bin nautilus-flight --features raspi`
+
diff --git a/common/Cargo.toml b/common/Cargo.toml
new file mode 100644
index 0000000..cf3c706
--- /dev/null
+++ b/common/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "nautilus_common"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/common/src/lib.rs b/common/src/lib.rs
new file mode 100644
index 0000000..b93cf3f
--- /dev/null
+++ b/common/src/lib.rs
@@ -0,0 +1,14 @@
+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}
diff --git a/flight/Cargo.toml b/flight/Cargo.toml
new file mode 100644
index 0000000..7e85610
--- /dev/null
+++ b/flight/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "nautilus_flight"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+anyhow = "1.0.97"
+fern = "0.7.1"
+log = "0.4.27"
+rppal = { version = "0.22.1", optional = true }
+chrono = "0.4.40"
+
+[features]
+raspi = ["dep:rppal"]
diff --git a/flight/src/hal/emulated/mod.rs b/flight/src/hal/emulated/mod.rs
new file mode 100644
index 0000000..2d01a69
--- /dev/null
+++ b/flight/src/hal/emulated/mod.rs
@@ -0,0 +1,14 @@
+use crate::hal::Hal;
+use log::info;
+
+pub struct EmulatedHal {}
+
+impl EmulatedHal {
+    pub fn new() -> Self {
+        info!("Running in Emulated Hardware Mode");
+
+        Self {}
+    }
+}
+
+impl Hal for EmulatedHal {}
diff --git a/flight/src/hal/mod.rs b/flight/src/hal/mod.rs
new file mode 100644
index 0000000..e7debb8
--- /dev/null
+++ b/flight/src/hal/mod.rs
@@ -0,0 +1,19 @@
+use anyhow::Result;
+
+pub trait Hal {}
+
+#[cfg(feature = "raspi")]
+mod raspi;
+
+#[cfg(feature = "raspi")]
+pub fn initialize() -> Result<impl Hal> {
+    raspi::RaspiHal::new()
+}
+
+#[cfg(not(feature = "raspi"))]
+mod emulated;
+
+#[cfg(not(feature = "raspi"))]
+pub fn initialize() -> Result<impl Hal> {
+    Ok(emulated::EmulatedHal::new())
+}
diff --git a/flight/src/hal/raspi/mod.rs b/flight/src/hal/raspi/mod.rs
new file mode 100644
index 0000000..9c0d947
--- /dev/null
+++ b/flight/src/hal/raspi/mod.rs
@@ -0,0 +1,23 @@
+use crate::hal::Hal;
+use anyhow::Result;
+use log::info;
+use rppal::gpio::Gpio;
+
+pub struct RaspiHal {
+    gpio: Gpio,
+}
+
+impl RaspiHal {
+    pub fn new() -> Result<Self> {
+        let device = rppal::system::DeviceInfo::new()?;
+        info!(
+            "Running on Raspberry Pi Emulated Hardware Model {} with {}",
+            device.model(),
+            device.soc()
+        );
+
+        Self { gpio: Gpio::new()? }
+    }
+}
+
+impl Hal for RaspiHal {}
diff --git a/flight/src/lib.rs b/flight/src/lib.rs
new file mode 100644
index 0000000..49628be
--- /dev/null
+++ b/flight/src/lib.rs
@@ -0,0 +1,21 @@
+use crate::hal::initialize;
+use crate::logger::setup_logger;
+use anyhow::Result;
+use log::info;
+
+mod hal;
+mod logger;
+
+pub fn run() -> Result<()> {
+    setup_logger()?;
+    info!(
+        "Project Nautilus Flight Software {}",
+        env!("CARGO_PKG_VERSION")
+    );
+
+    let hal = initialize()?;
+
+    drop(hal);
+
+    Ok(())
+}
diff --git a/flight/src/logger.rs b/flight/src/logger.rs
new file mode 100644
index 0000000..1f38960
--- /dev/null
+++ b/flight/src/logger.rs
@@ -0,0 +1,39 @@
+use anyhow::Result;
+use std::env;
+use std::fs::create_dir_all;
+use std::str::FromStr;
+
+pub fn setup_logger() -> Result<()> {
+    let log_file = env::var("LOG_FILE").or_else(|_| {
+        create_dir_all("logs/")?;
+
+        anyhow::Ok(format!(
+            "logs/{}_{}.log",
+            env!("CARGO_PKG_NAME"),
+            chrono::Local::now().format("%Y%m%d_%H%M%S")
+        ))
+    })?;
+    let log_level = match env::var("LOG_LEVEL") {
+        Ok(log_level) => log::LevelFilter::from_str(&log_level).unwrap_or(log::LevelFilter::Info),
+        Err(_) => log::LevelFilter::Info,
+    };
+
+    fern::Dispatch::new()
+        .format(|out, message, record| {
+            out.finish(format_args!(
+                "[{}][{}][{}] {}",
+                chrono::Local::now().format("%Y-%m-%d %H:%M:%S"),
+                record.target(),
+                record.level(),
+                message
+            ))
+        })
+        .chain(
+            fern::Dispatch::new()
+                .level(log_level)
+                .chain(std::io::stdout()),
+        )
+        .chain(fern::log_file(log_file)?)
+        .apply()?;
+    Ok(())
+}
diff --git a/flight/src/main.rs b/flight/src/main.rs
new file mode 100644
index 0000000..093d893
--- /dev/null
+++ b/flight/src/main.rs
@@ -0,0 +1,11 @@
+use log::error;
+use nautilus_flight::run;
+
+fn main() {
+    match run() {
+        Ok(_) => {}
+        Err(err) => {
+            error!("An unhandled error occurred: {}", err);
+        }
+    }
+}
diff --git a/ground/Cargo.toml b/ground/Cargo.toml
new file mode 100644
index 0000000..f6f0ae0
--- /dev/null
+++ b/ground/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "nautilus_ground"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/ground/src/main.rs b/ground/src/main.rs
new file mode 100644
index 0000000..e7a11a9
--- /dev/null
+++ b/ground/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}