--- /dev/null
+#!/usr/bin/perl
+use warnings;
+use strict;
+
+use Time::HiRes;
+
+# sudo apt install libiio-utils mosquitto-clients
+
+my $hostname = `hostname -s`;
+chomp($hostname);
+
+while(1) {
+
+ my $t = Time::HiRes::time;
+
+ my $iio = `iio_info`;
+
+ my $device;
+ my $name;
+
+ foreach ( split(/\n/, $iio) ) {
+ if ( m/iio:device\d+:\s+(\S+)/ ) {
+ $device = $1;
+ } elsif ( m/(\S+):\s+\(input\)/ ) {
+ $name = $1;
+ } elsif ( m/attr\s+0:\s+input\svalue: (\d+[\.\d]+)/ ) {
+ my $val = $1;
+ if ( $val !~ m/\d+\.\d+/ ) {
+ $val = $val / 1000;
+ }
+ my $topic = "iio/$hostname/$device/$name";
+ #print "$topic $val\n";
+ system "mosquitto_pub -h rpi2 -t $topic -m $val";
+ } else {
+ #warn "# $_\n";
+ }
+ }
+
+ sleep Time::HiRes::time + 1 - $t;
+}