1 files changed, 61 insertions, 0 deletions
diff --git a/scripts/dot-local/bin/batctl b/scripts/dot-local/bin/batctl
new file mode 100755
index 0000000..d6fcaa1
--- /dev/null
+++ b/scripts/dot-local/bin/batctl
@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+
+set -eo pipefail
+
+DEFAULT_START_THRESHOLD=75
+DEFAULT_STOP_THRESHOLD=85
+
+BAT_DIR=/sys/class/power_supply/BAT0
+START_FILE="$BAT_DIR/charge_start_threshold"
+STOP_FILE="$BAT_DIR/charge_stop_threshold"
+
+setcharge()
+{
+  start=$1
+  stop=$2
+  cur_start=$(cat "$START_FILE")
+  cur_stop=$(cat "$STOP_FILE")
+
+  if ((cur_stop > stop)); then
+    echo "$start" | sudo tee "$START_FILE" >/dev/null
+    echo "$stop" | sudo tee "$STOP_FILE" >/dev/null
+  else
+    echo "$stop" | sudo tee "$STOP_FILE" >/dev/null
+    echo "$start" | sudo tee "$START_FILE" >/dev/null
+  fi
+  echo "Charging set:"
+  echo "  start=$start"
+  echo "  stop=$stop"
+}
+
+cmd=$1
+
+shift || true
+
+case "$cmd" in
+  show)
+    start=$(cat "$START_FILE")
+    stop=$(cat "$STOP_FILE")
+    echo "Current thresholds:"
+    echo "  start=$start"
+    echo "  stop=$stop"
+    ;;
+
+  set)
+    start=${1:-$DEFAULT_START_THRESHOLD}
+    stop=${2:-$DEFAULT_STOP_THRESHOLD}
+    setcharge "$start" "$stop"
+    ;;
+
+  fullcharge)
+    start=95
+    stop=100
+    echo "Fullcharge. Keep AC on!"
+    setcharge "$start" "$stop"
+    ;;
+
+  *)
+    echo "Usage: $0 {show|set [start=$DEFAULT_START_THRESHOLD] [stop=$DEFAULT_STOP_THRESHOLD]|fullcharge}" >&2
+    exit 1
+    ;;
+esac