read pms3003 sensor and send values into influx

diff --git a/pms3003.pl b/pms3003.pl
new file mode 100755 (executable)
index 0000000..1c5067b
--- /dev/null
+++ b/pms3003.pl
@@ -0,0 +1,57 @@
+#!/usr/bin/perl
+use warnings;
+use strict;
+# sudo apt install libdevice-serialport-perl libdata-dump-perl
+use Device::SerialPort;
+use Data::Dump qw(dump);
+
+my $port = shift @ARGV || '/dev/ttyUSB1';
+my $influx_url = shift @ARGV || 'http://10.13.37.229:8186/write?db=telegraf';
+$influx_url = 'http://10.13.37.92:8086/write?db=rot13';
+
+my $s = new Device::SerialPort( $port ) || die $!;
+$s->baudrate(9600);
+$s->databits(8);
+$s->parity('none');
+$s->stopbits(1);
+$s->handshake('none');
+$s->read_char_time(5);
+$s->read_const_time(100);
+
+my @names = qw(
+pm1_0_s
+pm2_5_s
+pm10_s
+pm1_0
+pm2_5
+pm10
+pm1_0_r
+pm2_5_r
+pm10_r
+);
+
+
+while (1) {
+
+       my ($len, $string) = $s->read(24);
+       if ( $len > 0 ) {
+               my @v = unpack('n*', $string);
+               warn "# $len ",dump($string), dump( @v ), $/;
+               my $header = shift @v; 
+               if ( $header == 0x424d ) {
+                       shift @v; # skip len
+                       pop @v;   # remove checksum
+                       my $influx = "pms3003,dc=trnjanska ";
+                       foreach my $i ( 0 .. $#v ) {
+                               $influx .= "$names[$i]=$v[$i],";
+                       };
+                       $influx =~ s/,$//;
+                       print "$influx\n";
+                       system "curl --silent -XPOST '$influx_url' --data-binary '$influx'"
+               }
+       }
+
+};
+
+
+$s->close;