Skip to content

Instantly share code, notes, and snippets.

@gtgteq

gtgteq/it930x.nix

Last active August 12, 2025 13:00
Download ZIP

Revisions

  1. gtgteq renamed this gist Apr 3, 2020. 1 changed file with 0 additions and 0 deletions.
    0 README.md → zzz-README.md
    View file
    File renamed without changes.
  2. gtgteq revised this gist Apr 3, 2020. 2 changed files with 7 additions and 8 deletions.
    11 changes: 5 additions & 6 deletions README.md
    View file
    Original file line number Diff line number Diff line change
    @@ -1,15 +1,14 @@
    `configuration.nix`:
    ```nix
    let px4_drv = pkgs.callPackage ./px4_drv.nix;
    let px4_drv = pkgs.callPackage ./px4_drv.nix {
    kernel = pkgs.linux_4_19;
    };
    it930x = pkgs.callPackage ./it930x.nix {};
    in
    {
    boot.kernelPackages = pkgs.linuxPackages_4_19;
    boot.extraModulePackages = [
    (px4_drv {
    kernel = pkgs.linux_4_19;
    })
    ];
    boot.extraModulePackages = [ px4_drv ];
    hardware.firmware = [ it930x ];
    services.udev.packages = [ px4_drv ];
    }
    ```
    4 changes: 2 additions & 2 deletions px4_drv.nix
    View file
    Original file line number Diff line number Diff line change
    @@ -29,9 +29,9 @@ stdenv.mkDerivation rec {

    installPhase = ''
    mkdir -p $out/lib/modules/${KVER}/misc
    mkdir -p $out/etc/udev/rules.d
    mkdir -p $out/lib/udev/rules.d
    cp px4_drv.ko $out/lib/modules/${KVER}/misc/
    cp ../etc/99-px4video.rules $out/etc/udev/rules.d/
    cp ../etc/99-px4video.rules $out/lib/udev/rules.d/
    '';

    meta = with stdenv.lib; {
  3. gtgteq revised this gist Mar 30, 2020. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion README.md
    View file
    Original file line number Diff line number Diff line change
    @@ -1,4 +1,4 @@
    'configuration.nix`:
    `configuration.nix`:
    ```nix
    let px4_drv = pkgs.callPackage ./px4_drv.nix;
    it930x = pkgs.callPackage ./it930x.nix {};
  4. gtgteq created this gist Mar 29, 2020.
    15 changes: 15 additions & 0 deletions README.md
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,15 @@
    'configuration.nix`:
    ```nix
    let px4_drv = pkgs.callPackage ./px4_drv.nix;
    it930x = pkgs.callPackage ./it930x.nix {};
    in
    {
    boot.kernelPackages = pkgs.linuxPackages_4_19;
    boot.extraModulePackages = [
    (px4_drv {
    kernel = pkgs.linux_4_19;
    })
    ];
    hardware.firmware = [ it930x ];
    }
    ```
    34 changes: 34 additions & 0 deletions it930x.nix
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,34 @@
    { stdenv, fetchFromGitHub, fetchzip }:

    stdenv.mkDerivation rec {
    pname = "it930x-firmware";
    version = "1";

    src = fetchFromGitHub {
    owner = "nns779";
    repo = "px4_drv";
    rev = "90e0a4b30b812e7e5fff4483144f165de8914157";
    sha256 = "1s9y5szv9i8dj6pnbkph48nikzf1bhkj592pczbq7hy31xr60hmw";
    };
    plexSrc = fetchzip {
    url = "http://plex-net.co.jp/plex/pxw3u4/pxw3u4_BDA_ver1x64.zip";
    sha256 = "1ky28m8hv86vivk2clps5qpmlrmlvfya8qcfmcvpd3n2kisbqsrl";
    };

    sourceRoot = "source/fwtool";

    postUnpack = ''
    cp "$plexSrc/PXW3U4.sys" source/fwtool/
    '';

    installPhase = ''
    mkdir -p $out/lib/firmware/
    ./fwtool PXW3U4.sys $out/lib/firmware/it930x-firmware.bin
    '';

    meta = with stdenv.lib; {
    description = "it930x-firmware for px4_drv";
    homepage = https://github.com/nns779/px4_drv;
    license = licenses.gpl2;
    };
    }
    43 changes: 43 additions & 0 deletions px4_drv.nix
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,43 @@
    { stdenv, fetchFromGitHub, kernel }:

    stdenv.mkDerivation rec {
    pname = "px4_drv";
    version = "1";

    src = fetchFromGitHub {
    owner = "nns779";
    repo = "px4_drv";
    rev = "90e0a4b30b812e7e5fff4483144f165de8914157";
    sha256 = "1s9y5szv9i8dj6pnbkph48nikzf1bhkj592pczbq7hy31xr60hmw";
    };

    sourceRoot = "source/driver";
    patches = [ ./px4_drv.patch ];

    hardeningDisable = [ "pic" ];

    KVER = "${kernel.modDirVersion}";
    KBUILD_DIR = "${kernel.dev}/lib/modules/${kernel.modDirVersion}/build";
    makeFlags = [
    ''KVER="${KVER}"''
    ''KBUILD_DIR="${KBUILD_DIR}"''
    ];

    NIX_CFLAGS = ["-Wno-error=cpp"];

    nativeBuildInputs = kernel.moduleBuildDependencies;

    installPhase = ''
    mkdir -p $out/lib/modules/${KVER}/misc
    mkdir -p $out/etc/udev/rules.d
    cp px4_drv.ko $out/lib/modules/${KVER}/misc/
    cp ../etc/99-px4video.rules $out/etc/udev/rules.d/
    '';

    meta = with stdenv.lib; {
    description = "Kernel module px4_drv";
    homepage = https://github.com/nns779/px4_drv;
    license = licenses.gpl2;
    platforms = platforms.linux;
    };
    }
    17 changes: 17 additions & 0 deletions px4_drv.patch
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,17 @@
    diff --git driver/Makefile driver/Makefile
    index f59118b..58524b8 100644
    --- driver/Makefile
    +++ driver/Makefile
    @@ -33,9 +33,9 @@ px4_drv.ko: FORCE revision.h
    $(cmd_prefix)$(MAKE) -C $(KBUILD_DIR) M=$(CURRENT_DIR) KBUILD_VERBOSE=$(VERBOSE) modules

    revision.h: FORCE
    - $(cmd_prefix)rev=`git rev-list --count HEAD` 2>/dev/null; \
    - rev_name=`git name-rev --name-only HEAD` 2>/dev/null; \
    - commit=`git rev-list --max-count=1 HEAD` 2>/dev/null; \
    + $(cmd_prefix)rev=200 2>/dev/null; \
    + rev_name=develop 2>/dev/null; \
    + commit=90e0a4b30b812e7e5fff4483144f165de8914157 2>/dev/null; \
    if [ ! -s $@ ] || [ \"`grep -soE '^#define REVISION_NUMBER[[:blank:]]+"[0-9]+"$$' $@ | sed -E 's/^.+"(.*)"$$/\1/g'`.`grep -soE '^#define REVISION_NAME[[:blank:]]+"[[:print:]]+"$$' $@ | sed -E 's/^.+"(.*)"$$/\1/g'`.`grep -soE '^#define COMMIT_HASH[[:blank:]]+"[0-9A-Fa-f]+"$$' $@ | sed -E 's/^.+"(.*)"$$/\1/g'`\" != \"$${rev}.$${rev_name}.$${commit}\" ]; then \
    echo "// revision.h" > $@; \
    echo "" >> $@; \