pi is here

configuration.nix

@@ -8,7 +8,6 @@
   imports =
     [ # Include the results of the hardware scan...
       ./hardware-configuration.nix
-      ./hwaccel.nix
       ./network.nix
 
       # ...and additional configurations...
@@ -26,12 +25,11 @@
       ./docker.nix
       ./chrony.nix
       ./docker-device-mapper.nix
-      ./seaweedfs-mount.nix
     ];
 
   # Use the systemd-boot EFI boot loader.
-  boot.loader.systemd-boot.enable = true;
+  # boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
+  # boot.loader.efi.canTouchEfiVariables = true;
 
   # Enable IP forwarding for NAT (used in wireguard.nix) and load specific modules.
   boot.kernel.sysctl = {
@@ -111,7 +109,6 @@
     zoxide
     yazi
     fzf
-    intel-gpu-tools
   ];
 
   # Open ports in the firewall.

open_ccu.nix

@@ -0,0 +1,32 @@
+{ config, pkgs, ... }:
+
+{
+  virtualisation.docker.enable = true;
+
+  virtualisation.oci-containers.containers.openccu = {
+    # Official RaspberryMatic image (contains the necessary CCU logic)
+    image = "ghcr.io/openccu/openccu:latest";
+
+    autoStart = true;
+
+    # These options are critical for:
+    # 1. Swarm Networking (connecting to 'public')
+    # 2. Hardware Access (GPIO/USB)
+    extraOptions = [
+      "--privileged"          # Required for internal systemd & hardware
+      "--network=public"      # Connects to your Swarm Overlay network
+      "--device=/dev/raw-uart:/dev/raw-uart"
+      "--device=/dev/eq3loop:/dev/eq3loop"
+      "--device=/dev/ttyUSB0:/dev/ttyUSB0" # Pass the underlying USB too, just in case
+    ];
+
+    # Map the web interface locally, or rely on Swarm IP
+    ports = [ "80:80" ];
+
+    volumes = [
+      "/mnt/service/data/openccu:/usr/local"
+      "/sys/fs/cgroup:/sys/fs/cgroup:ro" # Required for RaspberryMatic
+    ];
+  };
+}
+

pi.nix

@@ -0,0 +1,36 @@
+{ config, pkgs, lib, ... }:
+{
+  # Boot Options
+  boot.loader.grub.enable = lib.mkForce false;
+  boot.loader.generic-extlinux-compatible.enable = lib.mkForce true;
+
+  # tty Console
+  boot.kernelParams = [
+    "console=ttyS1,115200n8"
+  ];
+
+  # Bluetooth
+  hardware.bluetooth = {
+    enable = true;
+    powerOnBoot = true;
+    settings = {
+      General = {
+        Experimental = true;
+        FastConnectable = true;
+      };
+      Policy = {
+        AutoEnable = true;
+      };
+    };
+  };
+
+  #systemd.services.btattach = {
+  #  before = [ "bluetooth.service" ];
+  #  after = [ "dev-ttyAMA0.device" ];
+  #  wantedBy = [ "multi-user.target" ];
+  #  serviceConfig = {
+  #    ExecStart = "${pkgs.bluez}/bin/btattach -B /dev/ttyAMA0 -P bcm -S 3000000";
+  #  };
+  #};
+
+}

pivccu.nix

@@ -0,0 +1,69 @@
+{ config, lib, pkgs, ... }:
+
+let
+  pivccu-modules = config.boot.kernelPackages.callPackage ({ stdenv, fetchFromGitHub, kernel }: stdenv.mkDerivation rec {
+    pname = "pivccu-modules";
+    version = "master";
+
+    src = fetchFromGitHub {
+      owner = "alexreinert";
+      repo = "piVCCU";
+      rev = "master"; 
+      # Ensure this matches the hash you got earlier
+      sha256 = "sha256-cXvrLcASU/2nsfJBf+cVtC4JnAq4G5JFzcFgj5ztThc=";
+    };
+
+    # Set the source root to the kernel subdirectory
+    sourceRoot = "${src.name}/kernel";
+
+    hardeningDisable = [ "pic" "format" ];
+    nativeBuildInputs = kernel.moduleBuildDependencies;
+
+    # 1. FORCE delete the upstream Makefile (which causes the build error)
+    # 2. Create a clean Makefile that only builds the modules we need
+    postPatch = ''
+      rm -f Makefile
+      echo "obj-m += eq3_char_loop.o plat_eq3ccu2.o" > Makefile
+    '';
+
+    # 3. Explicitly point to the kernel build directory
+    makeFlags = [
+      "KERNEL_DIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
+      "INSTALL_MOD_PATH=$(out)"
+      "M=$(pwd)"
+      "modules"
+    ];
+
+    # 4. Use the kernel build system to compile the modules
+    buildPhase = ''
+      make -C ${kernel.dev}/lib/modules/${kernel.modDirVersion}/build M=$(pwd) modules
+    '';
+
+    installPhase = ''
+      make -C ${kernel.dev}/lib/modules/${kernel.modDirVersion}/build M=$(pwd) INSTALL_MOD_PATH=$out modules_install
+    '';
+  }) {};
+
+in
+{
+  boot.extraModulePackages = [ pivccu-modules ];
+
+  # Load the modules required for the USB stick
+  boot.kernelModules = [ "cp210x" "eq3_char_loop" "plat_eq3ccu2" ];
+
+  # Udev rules for HmIP-RFUSB
+  services.udev.extraRules = ''
+    # 1. FORCE BINDING: Tell cp210x to handle the HmIP-RFUSB (1b1f:c020)
+    #    We use 'sh -c echo' because 'new_id' is a virtual file that tells the driver to accept new IDs.
+    ACTION=="add", SUBSYSTEM=="usb", ATTR{idVendor}=="1b1f", ATTR{idProduct}=="c020", \
+      RUN+="${pkgs.kmod}/bin/modprobe cp210x", \
+      RUN+="${pkgs.bash}/bin/sh -c 'echo 1b1f c020 > /sys/bus/usb-serial/drivers/cp210x/new_id'"
+
+    # 2. CREATE SYMLINK: Once the driver binds, a ttyUSBx device appears. 
+    #    We symlink it to /dev/raw-uart and set permissions.
+    SUBSYSTEM=="tty", ATTRS{idVendor}=="1b1f", ATTRS{idProduct}=="c020", SYMLINK+="raw-uart", OWNER="root", GROUP="root", MODE="0666"
+    
+    # 3. USB PERMISSIONS: Ensure the raw USB device is also accessible
+    SUBSYSTEM=="usb", ATTRS{idVendor}=="1b1f", ATTRS{idProduct}=="c020", MODE="0666"
+    '';
+}