3 files changed, 94 insertions, 0 deletions
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..df01ff7
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,58 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1791914995,
+        "narHash": "sha256-Zf/xfQEAasnwnmEfHqW/4hjDE/s44yn2hD4RuVIZRjA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b7a79d3fea1e214f6d668d521cecec0c01e26544",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1792782095,
+        "narHash": "sha256-8fmbCL1FhpRvN6iEB9TejL5+uA5TP+rD90hLuYqi9Ss=",
+        "rev": "901c54c08bdc20e00c2b3c73716b97497b1b3c74",
+        "type": "tarball",
+        "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1100332.901c54c08bdc/nixexprs.tar.zst"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.zst"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..941a950
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,20 @@
+{
+  inputs = {
+    nixpkgs.url = "https://channels.nixos.org/nixpkgs-unstable/nixexprs.tar.zst";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+      pico1541 = pkgs.callPackage (import ./nix/pico1541.nix) {};
+    in {
+      packages.pico1541 = pico1541;
+      packages.default = pico1541;
+
+      devShells.default = pico1541.overrideAttrs (o: {
+        nativeBuildInputs = o.nativeBuildInputs
+          ++ (with pkgs; [ clang-tools openocd ]);
+      });
+    });
+}
diff --git a/nix/pico1541.nix b/nix/pico1541.nix
new file mode 100644
index 0000000..d1f71a5
--- /dev/null
+++ b/nix/pico1541.nix
@@ -0,0 +1,16 @@
+{ stdenvNoCC
+, cmake
+, ninja
+, python3
+, gcc-arm-embedded
+, pico-sdk
+, picotool
+} : stdenvNoCC.mkDerivation {
+  pname = "pico1541";
+  version = "0.0.0";
+  src = ../.;
+
+  nativeBuildInputs = [ ninja cmake python3 picotool ];
+  buildInputs = [ gcc-arm-embedded ];
+  PICO_SDK_PATH = "${pico-sdk.override { withSubmodules = true; }}/lib/pico-sdk";
+}