From e19b89e47d85a28a818fe22918fac1ba00ccb3b6 Mon Sep 17 00:00:00 2001
From: fleaz <mail@felixbreidenstein.de>
Date: Fri, 28 Mar 2025 18:43:20 +0100
Subject: [PATCH] machines/smithers: Added battery warning via keyboard
 blinking

---
 machines/smithers/batterylight.nix  | 32 +++++++++++++++++++++++++++++
 machines/smithers/configuration.nix |  1 +
 2 files changed, 33 insertions(+)
 create mode 100644 machines/smithers/batterylight.nix

diff --git a/machines/smithers/batterylight.nix b/machines/smithers/batterylight.nix
new file mode 100644
index 0000000..687dcf4
--- /dev/null
+++ b/machines/smithers/batterylight.nix
@@ -0,0 +1,32 @@
+{ pkgs, ... }:
+{
+  systemd.timers."batterylight" = {
+    wantedBy = [ "timers.target" ];
+    timerConfig = {
+      OnBootSec = "5m";
+      OnUnitActiveSec = "5m";
+      Unit = "batterylight.service";
+    };
+  };
+
+  systemd.services."batterylight" = {
+    script = ''
+      STATUS=`cat /sys/bus/acpi/drivers/battery/PNP0C0A:00/power_supply/BAT1/status`
+      PERCENT=`cat /sys/bus/acpi/drivers/battery/PNP0C0A:00/power_supply/BAT1/capacity`
+      if [[ $STATUS == "Discharging" && $PERCENT -lt 10 ]]; then
+        for i in `seq 0 3`; do
+          ${pkgs.framework-tool}/bin/framework_tool --kblight 0
+          sleep 0.2
+          ${pkgs.framework-tool}/bin/framework_tool --kblight 100
+          sleep 0.2
+          ${pkgs.framework-tool}/bin/framework_tool --kblight 0
+          sleep 0.2
+        done
+      fi
+    '';
+    serviceConfig = {
+      Type = "oneshot";
+      User = "root";
+    };
+  };
+}
diff --git a/machines/smithers/configuration.nix b/machines/smithers/configuration.nix
index 15ead57..2520852 100644
--- a/machines/smithers/configuration.nix
+++ b/machines/smithers/configuration.nix
@@ -6,6 +6,7 @@
       ./hardware-configuration.nix
       ../../roles/all.nix
       ../../roles/laptop.nix
+      ./batterylight.nix
 
       # import hardware specific settings
       <nixos-hardware/framework/13-inch/7040-amd>