nixos: add Turris Mox red LED configuration

1 files changed, 27 insertions, 0 deletions

diff --git a/nixos/modules/turris-moxled.nix b/nixos/modules/turris-moxled.nix
new file mode 100644
index 0000000..2a40f62
--- /dev/null
+++ b/nixos/modules/turris-moxled.nix
@@ -0,0 +1,27 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+{
+
+  options = {
+    turris.moxled = mkOption {
+      type = types.bool;
+      default = true;
+      description = "Turris Mox CPU modul LED. Set to false to disable it.";
+    };
+  };
+
+  config = mkIf (config.turris.board == "mox") {
+
+    systemd.services."mox-redled" = {
+      script = if config.turris.moxled then
+          "echo heartbeat > /sys/class/leds/red/trigger"
+        else
+          "echo 0 > /sys/class/leds/red/brightness"
+          "";
+      wantedBy = [ "multi-user.target" ];
+    };
+
+  };
+}