1*a9184987SXianjun Jiao#!/bin/bash 2*a9184987SXianjun Jiao 3*a9184987SXianjun Jiaohome_dir=$(pwd) 4*a9184987SXianjun Jiao 5*a9184987SXianjun Jiaoif test -d "/sys/devices/platform/fpga-axi@0/fpga-axi@0:sdr"; then 6*a9184987SXianjun Jiao cd /sys/devices/platform/fpga-axi@0/fpga-axi@0:sdr 7*a9184987SXianjun Jiaoelse 8*a9184987SXianjun Jiao cd /sys/devices/soc0/fpga-axi\@0/fpga-axi\@0\:sdr 9*a9184987SXianjun Jiaofi 10*a9184987SXianjun Jiao 11*a9184987SXianjun Jiao# set 12*a9184987SXianjun Jiaoif [[ -n $1 ]]; then 13*a9184987SXianjun Jiao echo $1 > restrict_freq_mhz 14*a9184987SXianjun Jiaofi 15*a9184987SXianjun Jiao 16*a9184987SXianjun Jiao# show 17*a9184987SXianjun Jiaocat restrict_freq_mhz 18*a9184987SXianjun Jiao 19*a9184987SXianjun Jiaocd $home_dir 20*a9184987SXianjun Jiao 21