1#!/bin/bash 2 3set -x 4if test -f "/sys/kernel/debug/iio/iio:device0/direct_reg_access"; then 5 cd /sys/kernel/debug/iio/device0/ 6else if test -f "/sys/kernel/debug/iio/iio:device1/direct_reg_access"; then 7 cd /sys/kernel/debug/iio/iio:device1/ 8 else if test -f "/sys/kernel/debug/iio/iio:device2/direct_reg_access"; then 9 cd /sys/kernel/debug/iio/iio:device2/ 10 else if test -f "/sys/kernel/debug/iio/iio:device3/direct_reg_access"; then 11 cd /sys/kernel/debug/iio/iio:device3/ 12 else if test -f "/sys/kernel/debug/iio/iio:device4/direct_reg_access"; then 13 cd /sys/kernel/debug/iio/iio:device4/ 14 else 15 echo "Can not find direct_reg_access!" 16 echo "Check log to make sure ad9361 driver is loaded!" 17 exit 1 18 fi 19 fi 20 fi 21 fi 22fi 23set +x 24 25if [ "$#" -eq 1 ]; then 26 if [ $1 == "0" ]; then 27 echo 0x004 0x43 > direct_reg_access 28 status=$( cat direct_reg_access ) 29 if [ $status == "0x43" ]; then 30 echo "Tx port B selected." 31 else 32 echo "WARNING: switching Tx port B unsuccessful" 33 fi 34 elif [ $1 == "1" ]; then 35 echo 0x004 0x3 > direct_reg_access 36 status=$( cat direct_reg_access ) 37 if [ $status == "0x3" ]; then 38 echo "Tx port A selected." 39 else 40 echo "WARNING: switching Tx port A unsuccessful" 41 fi 42 fi 43elif [ "$#" -eq 0 ]; then 44 echo "Reading status only. Enter 1 or 0 as argument to select port A or B." 45 echo 0x004 > direct_reg_access 46 status=$( cat direct_reg_access ) 47 if [ $status == "0x43" ]; then 48 echo "Tx port B is used" 49 elif [ $status == "0x3" ]; then 50 echo "Tx port A is used" 51 else 52 echo "WARNING Unrecognized value $status." 53 fi 54else 55 echo "Too many arguments, specify only one for selecting port A (1) or B (0)." 56fi 57