From: Dobrica Pavlinusic <dpavlin@rot13.org>
Date: Sun, 29 Sep 2019 08:36:01 +0000 (+0200)
Subject: read pms3003 sensor and send values into influx
X-Git-Url: http://git.rot13.org/?p=air-quality;a=commitdiff_plain;h=5fba484d7844c3c48e854df28dbea4a6b40b4327

read pms3003 sensor and send values into influx
---

5fba484d7844c3c48e854df28dbea4a6b40b4327
diff --git a/pms3003.pl b/pms3003.pl
new file mode 100755
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;