Add rpi config

7 files changed, 263 insertions, 0 deletions

diff --git a/machines/rpi3-amadeus/configuration.nix b/machines/rpi3-amadeus/configuration.nix
new file mode 100644
index 0000000..989bdbb
--- /dev/null
+++ b/machines/rpi3-amadeus/configuration.nix
@@ -0,0 +1,58 @@
+{ config, pkgs, lib, ... }:
+{
+
+  imports = [
+    ./modules/hyperion.nix
+  ];
+
+
+  # NixOS wants to enable GRUB by default
+  boot.loader.grub.enable = false;
+  # Enables the generation of /boot/extlinux/extlinux.conf
+  boot.loader.generic-extlinux-compatible.enable = true;
+
+  # !!! Set to specific linux kernel version
+  boot.kernelPackages = pkgs.linuxPackages_5_4;
+
+  # !!! Needed for the virtual console to work on the RPi 3, as the default of 16M doesn't seem to be enough.
+  # If X.org behaves weirdly (I only saw the cursor) then try increasing this to 256M.
+  # On a Raspberry Pi 4 with 4 GB, you should either disable this parameter or increase to at least 64M if you want the USB ports to work.
+  boot.kernelParams = ["cma=256M"];
+
+  # Settings above are the bare minimum
+  # All settings below are customized depending on your needs
+
+  # systemPackages
+  environment.systemPackages = with pkgs; [
+    vim curl wget
+  ];
+
+  services.openssh = {
+      enable = true;
+      permitRootLogin = "yes";
+  };
+
+  networking.firewall.enable = false;
+
+  # put your own configuration here, for example ssh keys:
+  users.mutableUsers = true;
+  users.groups = {
+    nixos = {
+      gid = 1000;
+      name = "nixos";
+    };
+  };
+  users.users = {
+    nixos = {
+      uid = 1000;
+      home = "/home/nixos";
+      name = "nixos";
+      group = "nixos";
+      extraGroups = [ "wheel" ];
+    };
+  };
+  # users.extraUsers.root.openssh.authorizedKeys.keys = [
+  #     # Your ssh key
+  #     "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDqlXJv/noNPmZMIfjJguRX3O+Z39xeoKhjoIBEyfeqgKGh9JOv7IDBWlNnd3rHVnVPzB9emiiEoAJpkJUnWNBidL6vPYn13r6Zrt/2WLT6TiUFU026ANdqMjIMEZrmlTsfzFT+OzpBqtByYOGGe19qD3x/29nbszPODVF2giwbZNIMo2x7Ww96U4agb2aSAwo/oQa4jQsnOpYRMyJQqCUhvX8LzvE9vFquLlrSyd8khUsEVV/CytmdKwUUSqmlo/Mn7ge/S12rqMwmLvWFMd08Rg9NHvRCeOjgKB4EI6bVwF8D6tNFnbsGVzTHl7Cosnn75U11CXfQ6+8MPq3cekYr lucernae@lombardia-N43SM"
+  # ];
+}
diff --git a/machines/rpi3-amadeus/default.nix b/machines/rpi3-amadeus/default.nix
new file mode 100644
index 0000000..cd4010f
--- /dev/null
+++ b/machines/rpi3-amadeus/default.nix
@@ -0,0 +1,6 @@
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./configuration.nix
+  ];
+}
diff --git a/machines/rpi3-amadeus/hyperion-ng.nix b/machines/rpi3-amadeus/hyperion-ng.nix
new file mode 100644
index 0000000..ed47d53
--- /dev/null
+++ b/machines/rpi3-amadeus/hyperion-ng.nix
@@ -0,0 +1,80 @@
+{ stdenv, fetchurl, fetchzip, autoPatchelfHook, callPackage,
+expat, glib, systemd, libX11, libXrandr, fontconfig, tlf, ncurses5, bzip2,
+readline70, openssl, db, libglvnd, libusb }:
+with stdenv.lib;
+let
+  version = "2.0.0-alpha.9";
+
+  srcAarch64 = fetchurl {
+    url = "https://github.com/hyperion-project/hyperion.ng/releases/download/${version}/Hyperion-${version}-Linux-aarch64.tar.gz";
+    sha256 = "09wvlhp5c1mkvjsgbsiy402cx8na7qykwgv4waivc7m5ns4sl2mf";
+  };
+
+  srcX86 = fetchurl {
+    url = "https://github.com/hyperion-project/hyperion.ng/releases/download/${version}/Hyperion-${version}-Linux-x86_64.tar.gz";
+    sha256 = "1gkjzqkh6qbwzkrdrg9xmznh6b676kmdlw54drqwfycakb7riad2";
+  };
+
+  mpdecimal = callPackage ./mpdecimal.nix {};
+
+  bzip2_linked = stdenv.mkDerivation {
+    name = "bzip2-linked";
+    unpackPhase = "true";
+    installPhase = ''
+      mkdir -p $out/lib
+      cp -r ${bzip2.out}/lib/libbz2.so.1.0.6 $out/lib
+      ln -s $out/lib/libbz2.so.1.0.6 $out/lib/libbz2.so.1.0
+    '';
+  };
+
+  python3 = (import (fetchzip {
+    url = "https://github.com/nixos/nixpkgs/archive/7731621c81b5cd601a176c2109b44c5295049f20.zip";
+    # Please update this hash with the one nix says on the first build attempt
+    sha256 = "0gdf2kkh3qcn9r300sl4khcg0fnixarjcil9pv9hami3dqjbpngv";
+  }) { }).python3;
+in
+stdenv.mkDerivation {
+  inherit version;
+  pname = "hyperion-ng";
+
+  src = srcAarch64;
+
+  nativeBuildInputs = [ autoPatchelfHook ];
+
+  buildInputs = [
+    python3
+    systemd
+    stdenv.cc.cc.lib
+    fontconfig.lib
+    tlf
+    ncurses5
+    mpdecimal
+    glib
+    readline70
+    openssl
+    db
+    libglvnd
+    libusb
+    expat
+    libX11
+    libXrandr
+
+    bzip2_linked
+  ];
+
+  sourceRoot = "share/hyperion";
+
+  buildPhase = "";
+  installPhase = ''
+    mkdir -p $out/bin $out/lib
+    cp -r bin $out
+    cp -r lib $out
+
+    #ln -s ${bzip2}/lib/libbz2.so.1.0.6 $out/lib/libbz2.so.1.0
+  '';
+
+  meta = {
+    description = "Hyperion is an open source ambient light software. Feel free to join us and contribute new features!";
+    homepage = "https://hyperion-project.org/";
+  };
+}
diff --git a/machines/rpi3-amadeus/hyperion.nix b/machines/rpi3-amadeus/hyperion.nix
new file mode 100644
index 0000000..531eaad
--- /dev/null
+++ b/machines/rpi3-amadeus/hyperion.nix
@@ -0,0 +1,32 @@
+{ pkgs, ... }:
+let
+  hyperion = pkgs.callPackage ./hyperion-ng.nix { };
+  hyperionConfig = pkgs.fetchurl {
+    url = "https://gist.githubusercontent.com/pniedzwiedzinski/e1810bc4dd08b97512d28c42daa95326/raw/460febec24390dc90d3b70987f07ef1ab8a77b3a/hyperion.config.json";
+    sha256 = "1yaiw8ljy6kaq6vnf5ccq2c4wpjlakd00nmq51v1q2sdnc06jmqq";
+  };
+in
+{
+  imports = [
+    ./spi.nix
+  ];
+
+  environment.systemPackages = [
+    hyperion
+  ];
+
+  systemd.services.hyperion = {
+    enable = true;
+    wantedBy = ["multi-user.target"];
+    serviceConfig = {
+      ExecStart = "${hyperion}/bin/hyperiond";
+      ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
+      Restart = "on-failure";
+      User = "root";
+      Group = "root";
+      Type = "simple";
+      UMask = "007";
+      TimeoutStopSec = "10";
+    };
+  };
+}
diff --git a/machines/rpi3-amadeus/mpdecimal.nix b/machines/rpi3-amadeus/mpdecimal.nix
new file mode 100644
index 0000000..fee59ee
--- /dev/null
+++ b/machines/rpi3-amadeus/mpdecimal.nix
@@ -0,0 +1,27 @@
+{ stdenv, fetchurl, gcc, binutils }:
+
+let
+  pname = "mpdecimal";
+  version = "2.5.0";
+in
+stdenv.mkDerivation {
+  inherit pname version;
+
+  src = fetchurl {
+    url = "https://www.bytereef.org/software/${pname}/releases/${pname}-${version}.tar.gz";
+    sha256 = "1jm0vzlcsapx9ilrvns4iyws6n5i48zpxykmklfpv98jivf7wh8m";
+  };
+
+  buildPhase = ''
+    ./configure
+
+    sed -i 's/-Wl,//' libmpdec/Makefile
+    make
+  '';
+
+  installPhase = ''
+    mkdir -p $out/lib
+    cp libmpdec/*.so* $out/lib
+  '';
+
+}
diff --git a/machines/rpi3-amadeus/spi.dts b/machines/rpi3-amadeus/spi.dts
new file mode 100644
index 0000000..db76c4b
--- /dev/null
+++ b/machines/rpi3-amadeus/spi.dts
@@ -0,0 +1,49 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "raspberrypi";
+	fragment@0 {
+		target = <&spi>;
+		__overlay__ {
+			cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
+			status = "okay";
+			pinctrl-names = "default";
+			pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			spidev@0 {
+				reg = <0>;	// CE0
+				spi-max-frequency = <500000>;
+				compatible = "spidev";
+			};
+
+			spidev@1 {
+				reg = <1>;	// CE1
+				spi-max-frequency = <500000>;
+				compatible = "spidev";
+			};
+		};
+	};
+        fragment@1 {
+		target = <&alt0>;
+		__overlay__ {
+			// Drop GPIO 7, SPI 8-11
+			brcm,pins = <4 5>;
+		};
+	};
+
+	fragment@2 {
+		target = <&gpio>;
+		__overlay__ {
+			spi0_pins: spi0_pins {
+				brcm,pins = <9 10 11>;
+				brcm,function = <4>; // alt0
+			};
+			spi0_cs_pins: spi0_cs_pins {
+				brcm,pins = <8 7>;
+				brcm,function = <1>; // out
+			};
+		};
+	};
+};
diff --git a/machines/rpi3-amadeus/spi.nix b/machines/rpi3-amadeus/spi.nix
new file mode 100644
index 0000000..8a8f332
--- /dev/null
+++ b/machines/rpi3-amadeus/spi.nix
@@ -0,0 +1,11 @@
+{ pkgs, ... }:
+{
+  hardware.deviceTree = {
+    enable = true;
+    filter = "*rpi*.dtb";
+    overlays = [{
+      name = "spi";
+      dtsFile = ./spi.dts;
+    }];
+  };
+}