openwifi/user_space/set_tx_port.sh

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#!/bin/bash
set -x
if test -f "/sys/kernel/debug/iio/iio:device0/direct_reg_access"; then
cd /sys/kernel/debug/iio/device0/
else if test -f "/sys/kernel/debug/iio/iio:device1/direct_reg_access"; then
cd /sys/kernel/debug/iio/iio:device1/
else if test -f "/sys/kernel/debug/iio/iio:device2/direct_reg_access"; then
cd /sys/kernel/debug/iio/iio:device2/
else if test -f "/sys/kernel/debug/iio/iio:device3/direct_reg_access"; then
cd /sys/kernel/debug/iio/iio:device3/
else if test -f "/sys/kernel/debug/iio/iio:device4/direct_reg_access"; then
cd /sys/kernel/debug/iio/iio:device4/
else
echo "Can not find direct_reg_access!"
echo "Check log to make sure ad9361 driver is loaded!"
exit 1
fi
fi
fi
fi
fi
set +x
if [ "$#" -eq 1 ]; then
if [ $1 == "0" ]; then
echo 0x004 0x43 > direct_reg_access
status=$( cat direct_reg_access )
if [ $status == "0x43" ]; then
echo "Tx port B selected."
else
echo "WARNING: switching Tx port B unsuccessful"
fi
elif [ $1 == "1" ]; then
echo 0x004 0x3 > direct_reg_access
status=$( cat direct_reg_access )
if [ $status == "0x3" ]; then
echo "Tx port A selected."
else
echo "WARNING: switching Tx port A unsuccessful"
fi
fi
elif [ "$#" -eq 0 ]; then
echo "Reading status only. Enter 1 or 0 as argument to select port A or B."
echo 0x004 > direct_reg_access
status=$( cat direct_reg_access )
if [ $status == "0x43" ]; then
echo "Tx port B is used"
elif [ $status == "0x3" ]; then
echo "Tx port A is used"
else
echo "WARNING Unrecognized value $status."
fi
else
echo "Too many arguments, specify only one for selecting port A (1) or B (0)."
fi