-my $port = shift @ARGV || '/dev/ttyUSB0';
-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 $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';
die $! if ! defined($len);
if ( $len > 0 ) {
my @v = unpack('C*', $string);
die $! if ! defined($len);
if ( $len > 0 ) {
my @v = unpack('C*', $string);
- #warn "# $len ",dump($string), dump( @v ), $/;
+ if ( $#v < 8 ) {
+ die "# $len ",dump($string), dump( @v ), $/;
+ }
my $co2 = $v[2] * 255 + $v[3];
if ( $v[0] == 0xff && $sum == $checksum ) {
my $influx = "mh-z19b,dc=trnjanska co2=$co2 $t";
print "$influx\n";
system "curl --silent -XPOST '$influx_url' --data-binary '$influx'"
my $co2 = $v[2] * 255 + $v[3];
if ( $v[0] == 0xff && $sum == $checksum ) {
my $influx = "mh-z19b,dc=trnjanska co2=$co2 $t";
print "$influx\n";
system "curl --silent -XPOST '$influx_url' --data-binary '$influx'"