X-Git-Url: http://git.rot13.org/?p=air-quality;a=blobdiff_plain;f=mh-z19b.pl;h=968f315f28eb0d5135169a88af3d01035a92b249;hp=c925661d169c5646ddc90c60ef6ab215d3c412d5;hb=2889cdfcabc2487e9bf2fc1e193f7e14145ddc42;hpb=395e7f06a7d973f3dd808ca87676dde1a3f5246a

diff --git a/mh-z19b.pl b/mh-z19b.pl
index c925661..968f315 100755
--- a/mh-z19b.pl
+++ b/mh-z19b.pl
@@ -6,9 +6,8 @@ use Device::SerialPort;
 use Time::HiRes;
 use Data::Dump qw(dump);
 
-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';
 
 my $s = new Device::SerialPort( $port ) || die $!;
 $s->baudrate(9600);
@@ -16,7 +15,7 @@ $s->databits(8);
 $s->parity('none');
 $s->stopbits(1);
 $s->handshake('none');
-$s->read_char_time(0);
+$s->read_char_time(1);
 $s->read_const_time(10);
 $s->debug(1);
 
@@ -29,7 +28,9 @@ while (1) {
 	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 $sum = 0;
 		foreach my $i ( 1 .. $#v - 1 ) {
@@ -44,6 +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");