From 83428f97f5c29a80ba934fdd77e989d4d4cb9cb4 Mon Sep 17 00:00:00 2001
From: Tao Tien <29749622+taotien@users.noreply.github.com>
Date: Mon, 25 May 2026 17:50:39 -0700
Subject: [PATCH] init

---
 .gitignore                    | 12 +++++
 Cargo.lock                    | 15 ++++++
 Cargo.toml                    |  3 ++
 combustcean-core/Cargo.toml   |  6 +++
 combustcean-core/src/lib.rs   | 14 ++++++
 combustcean-range/Cargo.toml  |  6 +++
 combustcean-range/src/main.rs |  3 ++
 combustcean-tongs/Cargo.toml  |  6 +++
 combustcean-tongs/src/main.rs |  3 ++
 devenv.lock                   | 86 +++++++++++++++++++++++++++++++++++
 devenv.nix                    | 25 ++++++++++
 devenv.yaml                   |  8 ++++
 12 files changed, 187 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 combustcean-core/Cargo.toml
 create mode 100644 combustcean-core/src/lib.rs
 create mode 100644 combustcean-range/Cargo.toml
 create mode 100644 combustcean-range/src/main.rs
 create mode 100644 combustcean-tongs/Cargo.toml
 create mode 100644 combustcean-tongs/src/main.rs
 create mode 100644 devenv.lock
 create mode 100644 devenv.nix
 create mode 100644 devenv.yaml

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4265d8d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,12 @@
+target/
+ 
+# Devenv
+.devenv*
+devenv.local.nix
+devenv.local.yaml
+
+# direnv
+.direnv
+
+# pre-commit
+.pre-commit-config.yaml
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..25d9807
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,15 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "combustcean-core"
+version = "0.1.0"
+
+[[package]]
+name = "combustcean-range"
+version = "0.1.0"
+
+[[package]]
+name = "combustcean-tongs"
+version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..66b8422
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,3 @@
+[workspace]
+resolver = "3"
+members = ["combustcean-core", "combustcean-range", "combustcean-tongs"]
diff --git a/combustcean-core/Cargo.toml b/combustcean-core/Cargo.toml
new file mode 100644
index 0000000..397fbf4
--- /dev/null
+++ b/combustcean-core/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "combustcean-core"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/combustcean-core/src/lib.rs b/combustcean-core/src/lib.rs
new file mode 100644
index 0000000..b93cf3f
--- /dev/null
+++ b/combustcean-core/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/combustcean-range/Cargo.toml b/combustcean-range/Cargo.toml
new file mode 100644
index 0000000..ba1a563
--- /dev/null
+++ b/combustcean-range/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "combustcean-range"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/combustcean-range/src/main.rs b/combustcean-range/src/main.rs
new file mode 100644
index 0000000..e7a11a9
--- /dev/null
+++ b/combustcean-range/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}
diff --git a/combustcean-tongs/Cargo.toml b/combustcean-tongs/Cargo.toml
new file mode 100644
index 0000000..27b836b
--- /dev/null
+++ b/combustcean-tongs/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "combustcean-tongs"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/combustcean-tongs/src/main.rs b/combustcean-tongs/src/main.rs
new file mode 100644
index 0000000..e7a11a9
--- /dev/null
+++ b/combustcean-tongs/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}
diff --git a/devenv.lock b/devenv.lock
new file mode 100644
index 0000000..d4cb994
--- /dev/null
+++ b/devenv.lock
@@ -0,0 +1,86 @@
+{
+  "nodes": {
+    "devenv": {
+      "locked": {
+        "dir": "src/modules",
+        "lastModified": 1779749056,
+        "narHash": "sha256-AtocdrunzuxTvSDn+82RntEhrs6TicM6Z4/zNQS9KKg=",
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "099ac65fcef79e88127bdc06adbd1ea94255274a",
+        "type": "github"
+      },
+      "original": {
+        "dir": "src/modules",
+        "owner": "cachix",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "inputs": {
+        "nixpkgs-src": "nixpkgs-src"
+      },
+      "locked": {
+        "lastModified": 1778507786,
+        "narHash": "sha256-HzSQCKMsMr8r55LwM1JuzIOB+8bzk0FEv6sItKvsfoY=",
+        "owner": "cachix",
+        "repo": "devenv-nixpkgs",
+        "rev": "8f24a228a782e24576b155d1e39f0d914b380691",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "ref": "rolling",
+        "repo": "devenv-nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1778274207,
+        "narHash": "sha256-I4puXmX1iovcCHZlRmztO3vW0mAbbRvq4F8wgIMQ1MM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b3da656039dc7a6240f27b2ef8cc6a3ef3bccae7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devenv": "devenv",
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1779765539,
+        "narHash": "sha256-2QxuD5gJcfCFsnqv54LGEHQKvd+K+DW/ecERwAvuA7w=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "09889992e640378f7008c3302b9d4892579df610",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
\ No newline at end of file
diff --git a/devenv.nix b/devenv.nix
new file mode 100644
index 0000000..cacfb7a
--- /dev/null
+++ b/devenv.nix
@@ -0,0 +1,25 @@
+{
+    pkgs,
+    lib,
+    config,
+    inputs,
+    ...
+}: {
+    processes."tongs:watch" = {
+        cwd = "./combustcean-tongs";
+        watch = {
+            paths = [./combustcean-tongs/src];
+            extensions = ["rs" "toml"];
+        };
+        exec = ''
+            cargo build --target thumbv7em-none-eabihf --release && \
+            run-fap ../target/thumbv7em-none-eabihf/release/combustcean-tongs.fap -p /dev/ttyACM0
+        '';
+    };
+
+    packages = with pkgs; [
+        # keep-sorted start
+        jujutsu
+        # keep-sorted end
+    ];
+}
diff --git a/devenv.yaml b/devenv.yaml
new file mode 100644
index 0000000..37e8589
--- /dev/null
+++ b/devenv.yaml
@@ -0,0 +1,8 @@
+inputs:
+  nixpkgs:
+    url: github:cachix/devenv-nixpkgs/rolling
+  rust-overlay:
+    url: github:oxalica/rust-overlay
+    inputs:
+      nixpkgs:
+        follows: nixpkgs