systemd services on pi

[air-quality] / mh-z19b.pl

diff --git a/mh-z19b.pl b/mh-z19b.pl
index 8edaa3f..968f315 100755 (executable)
--- a/mh-z19b.pl
+++ b/mh-z19b.pl
@@ -6,7 +6,7 @@ use Device::SerialPort;
 use Time::HiRes;
 use Data::Dump qw(dump);
 
-my $port = shift @ARGV || '/dev/serial/by-path/pci-0000:00:1a.7-usb-0:5.3.4:1.2';
+my $port = shift @ARGV || '/dev/serial/by-path/platform-3f980000.usb-usb-0:1.5:1.2';
 my $influx_url = shift @ARGV || 'http://10.13.37.92:8086/write?consistency=any&db=rot13';
 
 my $s = new Device::SerialPort( $port ) || die $!;
@@ -45,6 +45,8 @@ while (1) {
                        my $influx = "mh-z19b,dc=trnjanska co2=$co2 $t";
                        print "$influx\n";
                        system "curl --silent -XPOST '$influx_url' --data-binary '$influx'"
+               } else {
+                       die "checksum error";
                }
                sleep 1;
                $s->write("\xFF\x01\x86\x00\x00\x00\x00\x00\x79");