From 4914d51b06240ba013d2534cd3cebf0f7ce9c8f1 Mon Sep 17 00:00:00 2001
From: Dobrica Pavlinusic <dpavlin@rot13.org>
Date: Sun, 10 Mar 2024 14:14:51 +0100
Subject: [PATCH] don't send 0 values

---
 zph02.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zph02.pl b/zph02.pl
index 731a432..10f961e 100755
--- a/zph02.pl
+++ b/zph02.pl
@@ -43,7 +43,7 @@ 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" if -e '/dev/shm/air-debug';
 			system "curl --max-time 2 --silent -XPOST '$influx_url' --data-binary '$influx'";
-- 
2.20.1