examples init

flake.nix

@@ -0,0 +1,42 @@
+{
+  description = "EK-TM4C123GXL (Tiva C) board RTIC dev flake using probe-rs";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils, rust-overlay, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        overlays = [ rust-overlay.overlays.default ];
+        pkgs = import nixpkgs { inherit system overlays; };
+
+        rust = pkgs.rust-bin.selectLatestNightlyWith (toolchain:
+          toolchain.default.override {
+            targets = [ "thumbv7em-none-eabihf" ];
+            extensions = [ "rust-src" "llvm-tools-preview" ];
+          });
+
+      in {
+        devShells.default = pkgs.mkShell {
+          name = "tm4c-rtic-dev";
+          packages = with pkgs; [
+            rust
+            cargo-binutils
+            flip-link
+            gcc-arm-embedded
+            probe-rs
+            openocd
+            cargo-generate
+          ];
+
+          shellHook = ''
+            echo ">>> EK-TM4C123GXL RTIC DevShell ready."
+            rustc --version
+            probe-rs --version
+          '';
+        };
+      });
+}