openwifi/user_space/set_rx_gain_manual.sh
2022-03-28 12:17:16 +02:00

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#!/bin/sh
# Author: Xianjun Jiao
# SPDX-FileCopyrightText: 2019 UGent
# SPDX-License-Identifier: AGPL-3.0-or-later
gain_dB=$1
if [ -z $gain_dB ]
then
gain_dB=0
fi
home_dir=$(pwd)
set -x
if test -f "/sys/bus/iio/devices/iio:device0/in_voltage_rf_bandwidth"; then
cd /sys/bus/iio/devices/iio:device0/
else if test -f "/sys/bus/iio/devices/iio:device1/in_voltage_rf_bandwidth"; then
cd /sys/bus/iio/devices/iio:device1/
else if test -f "/sys/bus/iio/devices/iio:device2/in_voltage_rf_bandwidth"; then
cd /sys/bus/iio/devices/iio:device2/
else if test -f "/sys/bus/iio/devices/iio:device3/in_voltage_rf_bandwidth"; then
cd /sys/bus/iio/devices/iio:device3/
else if test -f "/sys/bus/iio/devices/iio:device4/in_voltage_rf_bandwidth"; then
cd /sys/bus/iio/devices/iio:device4/
else
echo "Can not find in_voltage_rf_bandwidth!"
echo "Check log to make sure ad9361 driver is loaded!"
exit 1
fi
fi
fi
fi
fi
echo manual > in_voltage0_gain_control_mode
cat in_voltage0_gain_control_mode
if [ $gain_dB -gt 0 ]; then
echo $gain_dB > in_voltage0_hardwaregain
fi
cat in_voltage0_hardwaregain
cd $home_dir
set +x