flake.nix

{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    rust-overlay.url = "github:oxalica/rust-overlay";
  };
 
  outputs = { self, nixpkgs, rust-overlay, flake-utils }: 
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs {
          inherit system;
          overlays = [ (import rust-overlay) ];
        };

        toolchain = (pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml).override {
          extensions = [ "rust-src" "rust-analyzer" ];
        };
      in {
        devShell = pkgs.mkShell {
          nativeBuildInputs = [
            pkgs.probe-rs pkgs.elf2uf2-rs
            toolchain
          ];
        };
      });
}