party/colorchord: init

machines/party/configuration.nix

@@ -3,6 +3,7 @@
 {
   imports = [
     ./hardware-configuration.nix
+    ./services
   ];
 
   console.keyMap = "de";

machines/party/services/colorchord.nix

@@ -0,0 +1,87 @@
+{ inputs, lib, pkgs, ... }:
+let
+  devices = {
+    traverse = {
+      leds = 116;
+      host = "wled-Traverse";
+    };
+    nhecke = {
+      leds = 75;
+      host = "wled-Nhecke";
+    };
+    printerbench = {
+      leds = 80;
+      host = "wled-Printerbench";
+    };
+    resedaraum = {
+      leds = 285;
+      host = "wled-Resedaraum";
+      loop = true;
+    };
+    kanister = {
+      leds = 43;
+      host = "wled-Kanister";
+    };
+  };
+in
+{
+  environment.systemPackages = with pkgs; [
+    colorchord2
+  ];
+
+  environment.etc = lib.mapAttrs'
+    (name: config: lib.nameValuePair
+      "colorchord/${name}.conf"
+      {
+        text = ''
+          # Basic
+          outdrivers = DisplayNetwork, OutputLinear
+          headless = 1
+
+          # Audio input
+          amplify = 10
+          samplerate = 48000
+          devrecord = alsa_output.usb-BurrBrown_from_Texas_Instruments_USB_AUDIO_CODEC-00.analog-stereo.monitor
+
+          # Visualiser
+          cpu_autolimit = 1
+          satamp = 1
+
+          # LED config
+          leds = ${toString config.leds}
+          is_loop = ${if config ? loop && config.loop then "1" else "0"}
+          light_siding = 1.5
+          led_floor = 0.1
+          steady_bright = 1
+          fliprg = 0
+
+          # WLED
+          wled_realtime = 1
+          port = 19446
+          address = ${config.host}
+          wled_timeout = 2
+          skipfirst = 0
+        '';
+      })
+    devices;
+
+  systemd.user.services."colorchord@" = {
+    partOf = [ "colorchord.target" ];
+    serviceConfig = {
+      ExecStart = ''
+        ${pkgs.colorchord2}/bin/colorchord /etc/colorchord/%i.conf
+      '';
+      Restart = "always";
+    };
+  };
+
+  systemd.user.targets."colorchord" = {
+    wantedBy = [ "graphical-session.target" ];
+    partOf = [ "graphical-session.target" ];
+    wants = map (name: "colorchord@${name}.service") (lib.attrNames devices);
+  };
+
+  nixpkgs.overlays = with inputs; [
+    sbruder-overlay.overlay
+  ];
+}

machines/party/services/default.nix

@@ -0,0 +1,5 @@
+{
+  imports = [
+    ./colorchord.nix
+  ];
+}