thermostat/flake.nix

81 lines
3.6 KiB
Nix

{
description = "Firmware for the Sinara 8451 Thermostat";
inputs.nixpkgs.url = github:NixOS/nixpkgs/nixos-21.11;
inputs.mozilla-overlay = { url = github:mozilla/nixpkgs-mozilla; flake = false; };
outputs = { self, nixpkgs, mozilla-overlay }:
let
pkgs = import nixpkgs { system = "x86_64-linux"; overlays = [ (import mozilla-overlay) ]; };
rustManifest = pkgs.fetchurl {
url = "https://static.rust-lang.org/dist/2020-10-30/channel-rust-nightly.toml";
sha256 = "0iygcwzh8s0lfdghj5809krvzifc1ii1wm4sd3qqn7s0rz1s14hi";
};
targets = [
"thumbv7em-none-eabihf"
];
rustChannelOfTargets = _channel: _date: targets:
(pkgs.lib.rustLib.fromManifestFile rustManifest {
inherit (pkgs) stdenv lib fetchurl patchelf;
}).rust.override {
inherit targets;
extensions = ["rust-src"];
};
rust = rustChannelOfTargets "nightly" null targets;
rustPlatform = pkgs.recurseIntoAttrs (pkgs.makeRustPlatform {
rustc = rust;
cargo = rust;
});
cargoSha256 = "0qb4s06jwgj3i9df6qq9gwcnyr3jq6dh4l5ygjghq5x1bmcqliix";
buildStm32Firmware = { name, src, cargoDepsName ? name, patchPhase ? "", extraNativeBuildInputs ? [], checkPhase ? "", doCheck ? true, binaryName ? name, extraCargoBuildArgs ? "" }:
rustPlatform.buildRustPackage rec {
inherit name cargoDepsName;
version = "0.0.0";
inherit src;
inherit cargoSha256;
inherit patchPhase;
nativeBuildInputs = [ pkgs.llvm ] ++ extraNativeBuildInputs;
buildPhase = ''
export CARGO_HOME=$(mktemp -d cargo-home.XXX)
cargo build --release --bin ${binaryName} ${extraCargoBuildArgs}
'';
inherit checkPhase doCheck;
# binaryName defaults to the `name` arg (i.e. the Rust package name);
# it is used as the Cargo binary filename
installPhase = ''
mkdir -p $out $out/nix-support
cp target/thumbv7em-none-eabihf/release/${binaryName} $out/${name}.elf
echo file binary-dist $out/${name}.elf >> $out/nix-support/hydra-build-products
llvm-objcopy -O binary target/thumbv7em-none-eabihf/release/${binaryName} $out/${name}.bin
echo file binary-dist $out/${name}.bin >> $out/nix-support/hydra-build-products
'';
dontFixup = true;
};
in {
packages.x86_64-linux = rec {
thermostat = buildStm32Firmware {
name = "thermostat";
src = self;
checkPhase = ''
cargo test --target=${pkgs.rust.toRustTarget pkgs.stdenv.targetPlatform};
'';
};
};
devShell.x86_64-linux = pkgs.mkShell {
name = "thermostat-dev-shell";
buildInputs = with pkgs; [
rustPlatform.rust.rustc
rustPlatform.rust.cargo
gcc openocd dfu-util
] ++ (with python3Packages; [
numpy matplotlib
]);
};
defaultPackage.x86_64-linux = pkgs.python3.withPackages(ps: [ ]);
};
}