| #!/bin/bash |
| # |
| # Copyright 2015 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| # |
| # This script checks the battery level is high enough for shipping. If not, |
| # it asks for AC power and waits for the battery to charge. |
| # |
| |
| MAX_LEVEL=60 |
| DISPLAY_MESSAGE="/usr/sbin/display_wipe_message.sh" |
| |
| get_percentage() { |
| power_supply_info 2>/dev/null \ |
| | awk '/percentage/ && !/display/ {print int($2)}' |
| } |
| |
| # Needed by 'power_supply_info'. |
| mkdir -p /var/lib/power_manager |
| |
| if [[ $(get_percentage) -gt $MAX_LEVEL ]]; then |
| if (ectool battery | grep -q AC_PRESENT); then |
| # If WP enabled, unplugging AC is the only way to discharge. |
| if (crossystem sw_wpsw_boot?1 wpsw_boot?1); then |
| "${DISPLAY_MESSAGE}" "remove_ac" |
| while (ectool battery | grep -q AC_PRESENT) ; do |
| sleep 0.5; |
| done |
| else |
| ectool chargecontrol discharge |
| fi |
| fi |
| |
| # Wait for battery to discharge to MAX_LEVEL. |
| while [[ $(get_percentage) -gt $MAX_LEVEL ]]; do |
| "${DISPLAY_MESSAGE}" "discharging" "$(get_percentage)" "${MAX_LEVEL}" |
| sleep 1 |
| done |
| |
| if (ectool battery | grep -q AC_PRESENT); then |
| ectool chargecontrol normal |
| fi |
| fi |
