use serial

1 files changed, 3 insertions, 4 deletions

diff --git a/scd4x b/scd4x
index 6978a9f..5bef804 100755
--- a/scd4x
+++ b/scd4x
@@ -7,7 +7,6 @@ use JSON;
 use Net::MQTT::Simple;
 
 my $file = shift;
-my $name = shift;
 my $host = shift;
 
 my $json = JSON->new->allow_nonref;
@@ -32,10 +31,10 @@ my $values;
 my $pvalues;
 for (;;) {
 	$values = read_json_file($file);
-	for my $key (sort keys %{$values}) {
-		next if $key eq "timestamp";
+	my $serial = $values->{'serial'}
+	for my $key ('co2', 'temperature', 'humidity') {
 		next if defined($pvalues->{$key}) and $pvalues->{$key} eq $values->{$key};
-		my $topic = "sensors/" . $key . "/" . $name;
+		my $topic = "sensors/" . $key . "/scd4x/" . $serial;
 		if (defined($mqtt)) {
 			$mqtt->retain( $topic => $values->{$key} );
 		} else {