7 # sudo apt install libiio-utils mosquitto-clients
9 my $influx_url = shift @ARGV || 'http://10.13.37.92:8086/write?consistency=any&db=rot13';
11 my $hostname = `hostname -s`;
16 my $t = Time::HiRes::time;
17 my $t_influx = int( $t * 1_000_000_000 );
25 foreach ( split(/\n/, $iio) ) {
26 if ( m/iio:device\d+:\s+(\S+)/ ) {
28 } elsif ( m/(\S+):\s+\(input\)/ ) {
30 } elsif ( m/attr\s+0:\s+input\svalue: (\d+[\.\d]+)/ ) {
32 if ( $val !~ m/\d+\.\d+/ ) {
35 my $topic = "iio/$hostname/$device/$name";
36 #print "$topic $val\n";
37 system "mosquitto_pub -h rpi2 -t $topic -m $val";
39 push @influx, "${device}_${name}=$val";
44 my $influx = "iio,dc=trnjanska,host=$hostname " . join(",", @influx) . " $t_influx";
45 system "curl --silent -XPOST '$influx_url' --data-binary '$influx'";
47 sleep Time::HiRes::time + 1 - $t;