don't send 0 values

[air-quality] / zph02.pl

diff --git a/zph02.pl b/zph02.pl
index 44d35ef..10f961e 100755 (executable)
--- a/zph02.pl
+++ b/zph02.pl
@@ -7,7 +7,7 @@ use Time::HiRes;
 use Data::Dump qw(dump);
 
 my $port = shift @ARGV || '/dev/serial/by-path/platform-3f980000.usb-usb-0:1.5:1.0';
-my $influx_url = shift @ARGV || 'http://10.13.37.92:8086/write?consistency=any&db=rot13';
+my $influx_url = shift @ARGV || 'http://192.168.3.40:8086/write?consistency=any&db=rot13';
 
 my $s = new Device::SerialPort( $port ) || die $!;
 $s->baudrate(9600);
@@ -43,10 +43,10 @@ while (1) {
 
                my $checksum = $v[8];
                my $pcnt = $v[3] + ( $v[4] / 100 );
-               if ( $v[0] == 0xff && $sum == $checksum ) {
+               if ( $v[0] == 0xff && $sum == $checksum && $pcnt > 0) {
                        my $influx = "zph02,dc=trnjanska pm25_pcnt=$pcnt $t";
-                       print "$influx\n";
-                       system "curl --silent -XPOST '$influx_url' --data-binary '$influx'";
+                       print "$influx\n" if -e '/dev/shm/air-debug';
+                       system "curl --max-time 2 --silent -XPOST '$influx_url' --data-binary '$influx'";
                        system "mosquitto_pub -h rpi2 -t 'air/zph02/pm25' -m $pcnt";
                }
        }