4 # sudo apt install libdevice-serialport-perl libdata-dump-perl
5 use Device::SerialPort;
7 use Data::Dump qw(dump);
9 my $port = shift @ARGV || '/dev/ttyUSB2';
10 my $influx_url = shift @ARGV || 'http://10.13.37.229:8186/write?db=telegraf';
11 $influx_url = 'http://10.13.37.92:8086/write?db=rot13';
12 my $measurement = $ENV{MEASUREMENT} || 'dsm501';
14 my $s = new Device::SerialPort( $port ) || die $!;
19 $s->handshake('none');
20 $s->read_char_time(0); # don't wait for each char
21 $s->read_const_time(200); # ms for complete read
26 my ($len, $string) = $s->read(128);
27 my $t = int( Time::HiRes::time() * 1_000_000_000 );
28 die $! if ! defined($len);
30 warn "# len=$len ",dump($string);
31 if ( $string !~ m/^#/ ) {
32 $string =~ s/[\r\n]+$//;
34 my $influx = "$measurement,dc=trnjanska $string $t";
36 system "curl --silent -XPOST '$influx_url' --data-binary '$influx'"
38 warn "SKIP: $string\n";