1#!/bin/bash 2 3(bash -c 'echo $PPID' > /tmp/check_calib_inf.pid 4while true; do 5 echo 0x0A7 > /sys/kernel/debug/iio/iio:device2/direct_reg_access 6 status=$( cat /sys/kernel/debug/iio/iio:device2/direct_reg_access ) 7 if [ $status == "0xFF" ]; then 8 echo "WARNING: Tx Quadrature Calibration failed." 9 fi 10 sleep 5 11done) & 12 13