| #!/bin/sh |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| # Copyright (C) 2015, ARM Limited and contributors. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); you may |
| # not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| SYSFS_BASE="/sys/devices/12c60000.i2c/i2c-4/i2c-dev/i2c-4/device/" |
| SYSFS_ARM=$SYSFS_BASE"/4-0040" |
| SYSFS_KFC=$SYSFS_BASE"/4-0045" |
| |
| if [ $# -lt 2 ]; then |
| echo "Usage: $0 samples period_s [arm|kfc]" |
| exit 1 |
| fi |
| |
| SAMPLES=$1 |
| PERIOD=$2 |
| DEVICE=${3:-"arm"} |
| |
| case $DEVICE in |
| "arm") |
| SYSFS_ENABLE=$SYSFS_ARM"/enable" |
| SYSFS_W=$SYSFS_ARM"/sensor_W" |
| ;; |
| "kfc") |
| SYSFS_ENABLE=$SYSFS_KFC"/enable" |
| SYSFS_W=$SYSFS_KFC"/sensor_W" |
| ;; |
| esac |
| |
| echo "Samping $SAMPLES time, every $PERIOD [s]:" |
| echo " $SYSFS_W" |
| |
| rm samples_w.txt 2>/dev/null |
| echo 1 > $SYSFS_ENABLE |
| sleep 1 |
| |
| while [ 1 ]; do |
| sleep $PERIOD |
| cat $SYSFS_W >> samples_w.txt |
| SAMPLES=$((SAMPLES-1)) |
| [ $SAMPLES -eq 0 ] && break |
| done |
| |
| echo 0 > $SYSFS_ENABLE |