diff options
Diffstat (limited to 'util/battery_temp')
-rwxr-xr-x | util/battery_temp | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/util/battery_temp b/util/battery_temp deleted file mode 100755 index c69e3d4778..0000000000 --- a/util/battery_temp +++ /dev/null @@ -1,56 +0,0 @@ -#!/bin/bash -# Copyright 2018 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. -# -# Description: Read and output temperature of device's primary battery in -# degrees Celsius. -# -# TODO(tbroch) revisit for detachables with multiple batteries. - -# Read battery temperature from sysfs power_supply and return in degC. -batt_temp_sysfs() { - local temp="" - - for psdir in /sys/class/power_supply/* ; do - if [[ -e "${psdir}/temp" ]] ; then - pstype=$(cat $psdir/type) - if [[ "${pstype}" -eq "Battery" ]] ; then - temp=$(bc <<< "scale=2; $(cat ${psdir}/temp)/10") - break - fi - fi - done - echo ${temp} -} - -# Read battery temperature from EC and return in degC. -batt_temp_ec() { - local temp="" - - local sensor_str=$(ectool tempsinfo all 2>/dev/null | grep Battery) - if [[ $? -eq 0 ]] && [[ ! -z "${sensor_str}" ]] ; then - local idx=$(echo ${sensor_str} | cut -d: -f1) - # ectool temps <idx> looks like 'Reading temperature...298 K' - temp_str=$(ectool temps ${idx}) - temp="${temp_str//[!0-9]/}" - if [[ -z "${temp}" ]] ; then - temp="error" - else - temp=$(bc <<< "scale=2; ${temp} - 273.15") - fi - fi - echo $temp -} - -# Main -TEMP_DEGC=$(batt_temp_sysfs) -if [[ -z "${TEMP_DEGC}" ]] ; then - TEMP_DEGC=$(batt_temp_ec) -fi - -if [[ -z "${TEMP_DEGC}" ]] ; then - echo "unknown" -else - echo ${TEMP_DEGC} -fi |