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turn debug on with: touch /dev/shm/air-debug
[air-quality]
/
mh-z19b.pl
diff --git
a/mh-z19b.pl
b/mh-z19b.pl
index
084bffa
..
927951b
100755
(executable)
--- a/
mh-z19b.pl
+++ b/
mh-z19b.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-0:1.5:1.2';
use Data::Dump qw(dump);
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 $influx_url = shift @ARGV || 'http://10.
60.0
.92:8086/write?consistency=any&db=rot13';
my $s = new Device::SerialPort( $port ) || die $!;
$s->baudrate(9600);
my $s = new Device::SerialPort( $port ) || die $!;
$s->baudrate(9600);
@@
-43,8
+43,11
@@
while (1) {
my $co2 = $v[2] * 255 + $v[3];
if ( $v[0] == 0xff && $sum == $checksum ) {
my $influx = "mh-z19b,dc=trnjanska co2=$co2 $t";
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'"
+ 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/mh-z19b/co2' -m $co2";
+ } else {
+ die "checksum error";
}
sleep 1;
$s->write("\xFF\x01\x86\x00\x00\x00\x00\x00\x79");
}
sleep 1;
$s->write("\xFF\x01\x86\x00\x00\x00\x00\x00\x79");