X-Git-Url: http://git.rot13.org/?p=air-quality;a=blobdiff_plain;f=zph02.pl;h=00d8c2d5a95830f0036125a298e74486b9099c91;hp=42336609b724bc830e428b33c8d60234d6403d33;hb=59b28a41e509a3d933d3dac493ad78e60561e1d9;hpb=a18f9c9581e10c5c0f5b27bb6a8f9da2079093d6 diff --git a/zph02.pl b/zph02.pl index 4233660..00d8c2d 100755 --- a/zph02.pl +++ b/zph02.pl @@ -3,11 +3,11 @@ use warnings; use strict; # sudo apt install libdevice-serialport-perl libdata-dump-perl 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-0:1.5:1.0'; +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); @@ -21,7 +21,14 @@ $s->read_const_time(10); while (1) { + alarm 3; + # Usb serial which I'm using is buggy and blocks from time to time. + # This will ensure that we have passed here every 3 seconds + # or we will be killed and systemd will restart us + my ($len, $string) = $s->read(9); + my $t = int( Time::HiRes::time() * 1_000_000_000 ); + die $! if ! defined($len); if ( $len > 0 ) { my @v = unpack('C*', $string); #warn "# $len ",dump($string), dump( @v ), $/; @@ -37,9 +44,10 @@ while (1) { my $checksum = $v[8]; my $pcnt = $v[3] + ( $v[4] / 100 ); if ( $v[0] == 0xff && $sum == $checksum ) { - my $influx = "zph02,dc=trnjanska pm25_pcnt=$pcnt"; - print "$influx\n"; - system "curl --silent -XPOST '$influx_url' --data-binary '$influx'" + 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'"; + system "mosquitto_pub -h rpi2 -t 'air/zph02/pm25' -m $pcnt"; } }