openwifi/user_space/rf_init.sh

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#!/bin/sh
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# Author: Xianjun Jiao
# SPDX-FileCopyrightText: 2019 UGent
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# SPDX-License-Identifier: AGPL-3.0-or-later
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home_dir=$(pwd)
if [ -z "$1" ]
then
tx_offset_tuning_enable=1
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else
tx_offset_tuning_enable=0
fi
echo tx_offset_tuning_enable $tx_offset_tuning_enable
if [ $tx_offset_tuning_enable = "1" ]
then
fir_filename="openwifi_ad9361_fir.ftr"
tx_fir_enable=0
else
fir_filename="openwifi_ad9361_fir_tx_0MHz.ftr"
tx_fir_enable=1
fi
echo $fir_filename "tx_fir_enable" $tx_fir_enable
if test -f $fir_filename; then
echo "Found" $fir_filename
else
echo "Can not find" $fir_filename
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exit 1
fi
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
set +x
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echo 17500000 > in_voltage_rf_bandwidth
sync
echo 37500000 > out_voltage_rf_bandwidth
sync
echo 40000000 > in_voltage_sampling_frequency
sync
echo 40000000 > out_voltage_sampling_frequency
sync
sleep 1
echo 1000000000 > out_altvoltage0_RX_LO_frequency
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sync
echo 1000000000 > out_altvoltage1_TX_LO_frequency
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sync
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cat $home_dir/$fir_filename > filter_fir_config
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sync
sleep 0.5
echo 1 > in_voltage_filter_fir_en
echo $tx_fir_enable > out_voltage_filter_fir_en
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cat filter_fir_config
cat in_voltage_filter_fir_en
cat out_voltage_filter_fir_en
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echo "rx0 agc fast_attack"
#echo "rx0 agc manual"
cat in_voltage0_gain_control_mode
echo fast_attack > in_voltage0_gain_control_mode
#echo manual > in_voltage0_gain_control_mode
cat in_voltage0_gain_control_mode
sync
echo "rx1 agc fast_attack"
#echo "rx1 agc manual"
cat in_voltage1_gain_control_mode
echo fast_attack > in_voltage1_gain_control_mode
#echo manual > in_voltage1_gain_control_mode
cat in_voltage1_gain_control_mode
sync
sleep 1
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cat in_voltage_sampling_frequency
cat in_voltage_rf_bandwidth
cat out_voltage_sampling_frequency
cat out_voltage_rf_bandwidth
echo "rssi"
cat in_voltage0_rssi
cat in_voltage1_rssi
# # --------not needed maybe-------- # #
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echo "rx0 gain to 70" # this set gain is gpio gain - 5dB (test with agc and read back gpio in driver)
cat in_voltage0_hardwaregain
echo 70 > in_voltage0_hardwaregain
cat in_voltage0_hardwaregain
sync
echo "rx1 gain to 70"
cat in_voltage1_hardwaregain
echo 70 > in_voltage1_hardwaregain
cat in_voltage1_hardwaregain
sync
echo "tx0 gain -89dB"
cat out_voltage0_hardwaregain
echo -89 > out_voltage0_hardwaregain
cat out_voltage0_hardwaregain
sync
echo "tx1 gain 0dB"
cat out_voltage1_hardwaregain
echo 0 > out_voltage1_hardwaregain
cat out_voltage1_hardwaregain
sync
# # --------not needed maybe-------- # #
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cd $home_dir
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