1 files changed, 64 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/embedded/stm32/betaflight/default.nix b/nixpkgs/pkgs/development/embedded/stm32/betaflight/default.nix
new file mode 100644
index 000000000000..1ecf9be5d8d0
--- /dev/null
+++ b/nixpkgs/pkgs/development/embedded/stm32/betaflight/default.nix
@@ -0,0 +1,64 @@
+{ lib, stdenv, fetchFromGitHub
+, gcc-arm-embedded, binutils-arm-embedded, python2
+, skipTargets ? [
+  # These targets do not build, for the reasons listed, along with the last version checked.
+  # Probably all of the issues with these targets need to be addressed upstream.
+  "AG3X"       # 3.4.0-rc4: has not specified a valid STM group, must be one of F1, F3, F405, F411 or F7x5. Have you prepared a valid target.mk?
+  "ALIENWHOOP" # 3.4.0-rc4: has not specified a valid STM group, must be one of F1, F3, F405, F411 or F7x5. Have you prepared a valid target.mk?
+  "FURYF3"     # 3.4.0-rc4: flash region overflow
+  "OMNINXT"    # 3.4.0-rc4: has not specified a valid STM group, must be one of F1, F3, F405, F411 or F7x5. Have you prepared a valid target.mk?
+]}:
+
+stdenv.mkDerivation rec {
+
+  pname = "betaflight";
+  version = "3.4.0-rc4";
+
+  src = fetchFromGitHub {
+    owner = "betaflight";
+    repo = "betaflight";
+    rev = "8e9e7574481b1abba9354b24f41eb31054943785"; # Always use a commit id here!
+    sha256 = "1wyp23p876xbfi9z6gm4xn1nwss3myvrjjjq9pd3s0vf5gkclkg5";
+  };
+
+  nativeBuildInputs = [
+    gcc-arm-embedded binutils-arm-embedded
+    python2
+  ];
+
+  postPatch = ''
+    sed -ri "s/REVISION.*=.*git log.*/REVISION = ${builtins.substring 0 10 src.rev}/" Makefile # Simulate abbrev'd rev.
+    sed -ri "s/binary hex/hex/" Makefile # No need for anything besides .hex
+
+    substituteInPlace Makefile \
+      --replace "--specs=nano.specs" ""
+  '';
+
+  enableParallelBuilding = true;
+
+  preBuild = ''
+    buildFlagsArray=(
+      "NOBUILD_TARGETS=${toString skipTargets}"
+      "GCC_REQUIRED_VERSION=$(arm-none-eabi-gcc -dumpversion)"
+      all
+    )
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out
+    cp obj/*.hex $out
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Flight controller software (firmware) used to fly multi-rotor craft and fixed wing craft";
+    homepage = "https://github.com/betaflight/betaflight";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ elitak ];
+    broken = true;
+  };
+
+}