diff --git a/pkgs/default.nix b/pkgs/default.nix

index 7983a7fb99fe7e51cb3da61437c285237afe6708..a7caba1ff14e4eb0fabe03dfd63f288f56645923 100644

--- a/pkgs/default.nix

+++ b/pkgs/default.nix

@@ -95,6 +95,10 @@ pymbtiles = callPackage ./development/python-modules/pymbtiles { };

 s2sphere = callPackage ./development/python-modules/s2sphere { };

 xyzservices = callPackage ./development/python-modules/xyzservices { };

• EMBEDDED

• chdk = callPackage ./embedded/chdk { };

 ### EMBOX

 embox-aarch64 = callPackage ./embox { arch = "aarch64"; };

diff --git a/pkgs/embedded/chdk/default.nix b/pkgs/embedded/chdk/default.nix

new file mode 100644

index 0000000000000000000000000000000000000000..b752042e5e80292d427e770cca563745459ed59b

--- /dev/null

+++ b/pkgs/embedded/chdk/default.nix

@@ -0,0 +1,47 @@

+{ lib, stdenv, fetchzip, gcc-arm-embedded, zip

+, platform ? null, platformsub ? null

+, fi2key ? null, fi2iv ? null

+}:

+let

• version = "1.6.1";

• revision = "6200"; # check on http://mighty-hoernsche.de/

• branch = "release-${lib.replaceStrings [ "." ] [ "_" ] (lib.versions.majorMinor version)}";

• optFI2 = fi2key != null && fi2iv != null;

• batchBuild = platform == null || platformsub == null;

+in

+stdenv.mkDerivation rec {

• pname = "chdk";

• inherit version;

• src = fetchzip {

• url = "https://app.assembla.com/spaces/chdk/subversion/source/${revision}/branches/${branch}?_format=zip";

• extension = "zip";

• stripRoot = false;

• hash = "sha256-m/sERI0Qrcwbv4VWUfLAVttD2KWpYtNpj6r6tXKs9PE=";

• };

• nativeBuildInputs = [ gcc-arm-embedded zip ];

• buildFlags = [ "DEF_SVN_REF=${revision}" ]

• ++ lib.optionals (optFI2 && !batchBuild) [ "OPT_FI2=1" "FI2KEY=${fi2key}" "FI2IV=${fi2iv}" ]

• ++ lib.optionals (!batchBuild) [ "PLATFORM=${platform}" "PLATFORMSUB=${platformsub}" "firzipsubcomplete" ]

• ++ lib.optional batchBuild "batch-zip-complete";

• NIX_CFLAGS_COMPILE = "-Wno-format-security";

• installPhase = ''

• runHook preInstall

• install -Dm644 bin/*.zip -t $out

• runHook postInstall

• '';

• meta = with lib; {

• description = "Canon Hack Development Kit";

• homepage = "https://chdk.fandom.com/wiki/CHDK";

• license = licenses.gpl2;

• platforms = platforms.unix;

• maintainers = [ maintainers.sikmir ];

• skip.ci = true;

• };

+}