use constant pi => 3.14159265358979;
+my $randomfn = '/dev/urandom';
my $devname = "/dev/davis";
my $datafn = ".loop_data";
my $dataf;
my $state = "ready";
my $buf;
my $dbg;
-my $ser; # the serial port Mojo::IOLoop::Stream
+our $ser; # the serial port Mojo::IOLoop::Stream
+our $ob; # the Serial Port filehandle
my $last_min_h;
my $last_hour_h;
our $ld = {};
our @last10minsr = ();
our @last5daysh = ();
+our $windmins = 2; # no of minutes of wind data for the windrose
+our $histdays = 5; # no of days of (half)hour data to search for main graph
+our $updatepermin = 60 / 2.5; # no of updates per minute
our $loop_count; # how many LOOPs we have done, used as start indicator
our $ending = 0;
-$SIG{TERM} = $SIG{INT} = sub {++$ending; Mojo::IOLoop->stop;};
+$SIG{TERM} = $SIG{INT} = sub {$ending = 1; Mojo::IOLoop->stop;};
$SIG{HUP} = 'IGNORE';
$c->send($ld->{lasthour_h}) if exists $ld->{lasthour_h};
$c->send($ld->{lastmin_h}) if exists $ld->{lastmin_h};
- # send the 5 days worth of data to the graph
- say "last10min = " . scalar @last10minsr . " last5day = " . scalar @last5daysh;
- $c->send($_) for @last10minsr;
- $c->send($_) for @last5daysh;
-
# disable timeout
$c->inactivity_timeout(3615);
my $tnow = time;
my $dayno = int ($tnow/86400);
-@last5daysh = grab_history(SMGLog->new("day"), "h", $tnow-(86400*5), $_) for ($dayno-4, $dayno-3, $dayno-2, $dayno-1, $dayno);
-@last10minsr = map {my ($t, $js) = split(/\s/, $_, 2); $js} grab_history(SMGLog->new("debug"), "r", $tnow-(60*3), $dayno);
+for (my $i = 0-$histdays; $i < 0; ++$i ) {
+ push @last5daysh, grab_history(SMGLog->new("day"), "h", $tnow-(86400*$histdays), $dayno+$i+1);
+}
+@last10minsr = map {my ($t, $js) = split(/\s/, $_, 2); $js} grab_history(SMGLog->new("debug"), "r", $tnow-(60*$windmins), $dayno);
+dbg sprintf("last5days = %d last10mins = %d", scalar @last5daysh, scalar @last10minsr);
+
+sysopen(R, $randomfn, 0) or die "cannot open $randomfn $!\n";
+my $rs;
+sysread(R, $rs, 8) or die "not enough randomness available\n";
+close R;
+
+app->secrets([qw(Here's something that's really seakrett), $rs]);
our $dlog = SMGLog->new("day");
+$did = Mojo::IOLoop->recurring(1 => sub {$dlog->flushall});
+
dbg "before next tick";
Mojo::IOLoop->next_tick(sub { loop() });
dbg "before app start";
app->start;
dbg "after app start";
+doclose();
+
write_ld();
$dataf->close if $dataf;
undef $dataf;
cycle_loop_data_files();
dbg '***';
-dbg "*** ending $0";
+dbg "*** ending $0 (\$ending = $ending)";
dbg '***';
exit 0;
dbg "last_min: " . scalar gmtime($ld->{last_min});
dbg "last_hour: " . scalar gmtime($ld->{last_hour});
- $did = Mojo::IOLoop->recurring(1 => sub {$dlog->flushall});
-
- do_reopen($devname);
+ $ser = doopen($devname);
+ start_loop() if $ser;
}
undef $tid;
$tid = Mojo::IOLoop->recurring(0.6 => sub {
if (++$nlcount > 10) {
- dbg "\\n count > 10, closing connection" if isdbg 'chan';
- do_reopen($devname);
+ doclose();
return;
}
dbg "writing $nlcount \\n" if isdbg 'state';
$state = $_[0];
}
-sub do_reopen
-{
- my $name = shift;
- dbg "do reopen on '$name' ending $ending";
- unless ($ending) {
- $ser = do_open($name);
- start_loop();
- chgstate('');
- $nlcount = 0;
- Mojo::IOLoop->start unless Mojo::IOLoop->is_running;
- }
-}
+my $closing;
-sub do_open
+sub doopen
{
my $name = shift;
- $ser->close if $ser;
- undef $ser;
-
- my $ob = Serial->new($name, 19200) || die "$name $!\n";
+ $ob = Serial->new($name, 19200) || die "$name $!\n";
dbg "streaming $name fileno(" . fileno($ob) . ")" if isdbg 'chan';
my $ser = Mojo::IOLoop::Stream->new($ob);
- $ser->on(error=>sub {dbg "serial $_[1]"; do_reopen($name) unless $ending});
- $ser->on(close=>sub {dbg "serial closing"; do_reopen($name) unless $ending});
- $ser->on(timeout=>sub {dbg "serial timeout";});
+ $ser->on(error=>sub {dbg "error serial $_[1]"; doclose();});
+ $ser->on(close=>sub {dbg "event close"; doclose();});
+ $ser->on(timeout=>sub {dbg "event serial timeout"; doclose();});
$ser->on(read=>sub {on_read(@_)});
$ser->start;
+ $rid = Mojo::IOLoop->recurring($poll_interval => sub {
+ start_loop() if !$state;
+ });
+
+ chgstate('');
+ $nlcount = 0;
+
+ return $ser;
+}
+
+sub doclose
+{
+ return if $closing++;
+
+ dbg "serial port closing" if $ser || $ob;
+ if ($ser) {
+ $ser->stop;
+ $ser->close;
+ undef $ser;
+ }
+ if ($ob) {
+ $ob->close();
+ undef $ob;
+ }
Mojo::IOLoop->remove($tid) if $tid;
undef $tid;
Mojo::IOLoop->remove($rid) if $rid;
undef $rid;
- $rid = Mojo::IOLoop->recurring($poll_interval => sub {
- start_loop() if !$state;
- });
+
+ if (Mojo::IOLoop->is_running && $ending == 0) {
+ Mojo::IOLoop->delay(
+ sub {
+ my $delay = shift;
+ Mojo::IOLoop->timer(5 => $delay->begin);
+ dbg "Waiting 5 seconds before opening serial port";
+ },
+
+ sub {
+ dbg "Opening Serial port";
+ $ser = doopen($devname);
+ $closing = 0;
+ }
+ )->wait;
+ }
chgstate('');
$nlcount = 0;
-
- return $ser;
}
my @min;
# Common ones
$tmp = unpack("s", substr $blk,7,2) / 1000;
- $h{Pressure} = nearest(1, in2mb($tmp));
+ $h{Pressure} = nearest(0.1, in2mb($tmp));
$tmp = unpack("s", substr $blk,9,2) / 10;
$h{Temp_In} = nearest(0.1, f2c($tmp));
$temp = nearest(0.1, f2c(unpack("s", substr $blk,12,2) / 10));
$h{Temp_Out} = $temp;
- if ($temp > 75 || $temp < -75) {
+ if ($temp > 60 || $temp < -60) {
dbg "LOOP Temperature out of range ($temp), record ignored";
return;
}
my $ts = time;
my $s;
my $dayno = int($ts/86400);
+ my $writeld;
+ my $cycledata;
+
if ($dayno > $ld->{last_day}) {
+ $ld->{Wind_Max} = $wind->{w};
$ld->{Temp_Out_Max} = $ld->{Temp_Out_Min} = $temp;
- $ld->{Temp_Out_Max_T} = $ld->{Temp_Out_Min_T} = clocktime($ts, 0);
+ $ld->{Temp_Out_Max_T} = $ld->{Temp_Out_Min_T} = $ld->{Wind_Max_T} = clocktime($ts, 0);
$ld->{last_day} = $dayno;
- write_ld();
- cycle_loop_data_files();
+ ++$writeld;
+ ++$cycledata;
}
if ($temp > $ld->{Temp_Out_Max}) {
- $ld->{Temp_Out_Max} = $temp;
- $ld->{Temp_Out_Max_T} = clocktime($ts, 0);
- write_ld();
+ $h{Temp_Out_Max} = $ld->{Temp_Out_Max} = $temp;
+ $h{Temp_Out_Max_T} = $ld->{Temp_Out_Max_T} = clocktime($ts, 0);
+ ++$writeld;
}
if ($temp < $ld->{Temp_Out_Min}) {
- $ld->{Temp_Out_Min} = $temp;
- $ld->{Temp_Out_Min_T} = clocktime($ts, 0);
- write_ld();
+ $h{Temp_Out_Min} = $ld->{Temp_Out_Min} = $temp;
+ $h{Temp_Out_Min_T} = $ld->{Temp_Out_Min_T} = clocktime($ts, 0);
+ ++$writeld;
+ }
+
+ if ($wind->{w} > $ld->{Wind_Max}) {
+ $h{Wind_Max} = $ld->{Wind_Max} = $wind->{w};
+ $h{Wind_Max_T} = $ld->{Wind_Max_T} = clocktime($ts, 0);
+ ++$writeld;
}
+
if ($ts >= $ld->{last_hour} + 1800) {
$h{Pressure_Trend} = unpack("C", substr $blk,3,1);
$h{Pressure_Trend_txt} = $bar_trend{$h{Pressure_Trend}};
$h{Sunrise} =~ s/(\d{2})(\d{2})/$1:$2/;
$h{Sunset} = sprintf( "%04d", unpack("S", substr $blk,93,2) );
$h{Sunset} =~ s/(\d{2})(\d{2})/$1:$2/;
- $h{Temp_Out_Max} = $ld->{Temp_Out_Max};
- $h{Temp_Out_Min} = $ld->{Temp_Out_Min};
- $h{Temp_Out_Max_T} = $ld->{Temp_Out_Max_T};
- $h{Temp_Out_Min_T} = $ld->{Temp_Out_Min_T};
-
if ($loop_count) { # i.e not the first
my $a = wind_average(scalar @{$ld->{wind_hour}} ? @{$ld->{wind_hour}} : {w => $h{Wind}, d => $h{Dir}});
$h{Dir_1m} = nearest(1, $a->{d});
($h{Rain_1m}, $h{Rain_1h}, $h{Rain_24h}) = calc_rain($rain);
+
}
$ld->{last_rain_min} = $ld->{last_rain_hour} = $rain;
+ $h{Temp_Out_Max} = $ld->{Temp_Out_Max};
+ $h{Temp_Out_Max_T} = $ld->{Temp_Out_Max_T};
+ $h{Temp_Out_Min} = $ld->{Temp_Out_Min};
+ $h{Temp_Out_Min_T} = $ld->{Temp_Out_Min_T};
+ $h{Wind_Max} = $ld->{Wind_Max};
+ $h{Wind_Max_T} = $ld->{Wind_Max_T};
$last_hour_h = {%h};
$s = genstr($ts, 'h', \%h);
push @last5daysh, $s;
shift @last5daysh if @last5daysh > 5*24;
}
- write_ld();
+ ++$writeld;
} elsif ($ts >= $ld->{last_min} + 60) {
my $a = wind_average(@{$ld->{wind_min}});
$h{Wind_1m} = nearest(0.1, $a->{w});
$h{Dir_1m} = nearest(1, $a->{d});
($h{Rain_1m}, $h{Rain_1h}, $h{Rain_24h}) = calc_rain($rain);
+
+ my $wkph = $a->{w} * 3.6;
+ $h{WindChill} = nearest(0.1, $a->{w} >= 1.2 ? 13.12 + 0.6215 * $temp - 11.37 * $wkph ** 0.16 + 0.3965 * $temp * $wkph ** 0.16 : $temp);
}
$ld->{last_rain_min} = $rain;
-
$h{Temp_Out_Max} = $ld->{Temp_Out_Max};
- $h{Temp_Out_Min} = $ld->{Temp_Out_Min};
$h{Temp_Out_Max_T} = $ld->{Temp_Out_Max_T};
+ $h{Temp_Out_Min} = $ld->{Temp_Out_Min};
$h{Temp_Out_Min_T} = $ld->{Temp_Out_Min_T};
+ $h{Wind_Max} = $ld->{Wind_Max};
+ $h{Wind_Max_T} = $ld->{Wind_Max_T};
$last_min_h = {%h};
$s = genstr($ts, 'm', \%h);
@{$ld->{wind_min}} = ();
output_str($s, 1) if $s;
- write_ld();
+ ++$writeld;
} else {
my $o = gen_hash_diff($ld->{last_h}, \%h);
- if ($o) {
- $s = genstr($ts, 'r', $o);
- push @last10minsr, $s;
- shift @last10minsr if @last10minsr > 240;
- }
- else {
- dbg "loop rec not changed" if isdbg 'chan';
- }
+ $o ||= {};
+ # we always send wind even if it hasn't changed in order to update the wind rose.
+ $o->{Dir} ||= ($h{Dir} + 0);
+ $o->{Wind} ||= ($h{Wind} + 0);
+ $s = genstr($ts, 'r', $o);
+ push @last10minsr, $s;
+ shift @last10minsr while @last10minsr > ($windmins * $updatepermin);
output_str($s, 0) if $s;
}
$ld->{last_h} = \%h;
+ write_ld() if $writeld;
+ cycle_loop_data_files() if $cycledata;
++$loop_count;
} else {
dbg "CRC check failed for LOOP data!";
projects / dweather.git / blobdiff