use v5.10.1;
-use DBI;
use Serial;
use Mojo::IOLoop;
use Mojo::IOLoop::Stream;
+use Mojo::JSON qw(decode_json encode_json);
+use Debug;
+use SMGLog;
my $devname = "/dev/davis";
+my $rain_mult = 0.1; # 0.1 or 0.2 mm or 0.01 inches
my $tid;
my $rid;
my $count;
my $state = "ready";
my $buf;
+my $dbg;
+my $last_reading;
our @crc_table = (
0x0, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
$bar_trend{20} = "Rising Slowly";
$bar_trend{60} = "Rising Rapidly";
-#$SIG{TERM} = $SIG{INT} = sub {Mojo::IOLoop->reset if Mojo::IOLoop->is_running && !$DB::VERSION};
+#$SIG{TERM} = $SIG{INT} = sub {Mojo::IOLoop->stop if Mojo::IOLoop->is_running && !$DB::VERSION};
+
+my $dlog = SMGLog->new("day");
+$dlog->mode('a');
my $s = do_open($devname);
start_loop();
+Mojo::IOLoop->recurring(0.1 => sub { $dlog->flushall });
+
Mojo::IOLoop->start unless Mojo::IOLoop->is_running;
exit 0;
my ($str, $d) = @_;
$buf .= $d;
$d =~ s/([\%\x00-\x1f\x7f-\xff])/sprintf("%%%02X", ord($1))/eg;
-# say "read added '$d' buf lth=" . length $buf;
+# say "read added '$d' buf lth=" . length $buf if $dbg;
if ($state eq 'waitnl' && $buf =~ /[\cJ\cM]+/) {
- undef $tid;
+ Mojo::IOLoop->remove($tid);
undef $buf;
- $s->write("LOOP 1\n");
+ $s->write("LPS 1 1\n");
chgstate("waitloop");
} elsif ($state eq "waitloop") {
if ($buf =~ /\x06/) {
}
} elsif ($state eq 'waitlooprec') {
if (length $buf >= 99) {
- say "got loop record\n";
+ say "got loop record\n" if $dbg;
+
chgstate('');
process($buf);
undef $buf;
sub start_loop
{
- say "writing \\n";
+ say "writing \\n" if $dbg;
+
$s->write("\n");
- $tid = Mojo::IOLoop->timer(0.6 => sub {say "writing \\n"; $s->write("\n")});
+ $tid = Mojo::IOLoop->recurring(0.6 => sub {say "writing \\n" if $dbg; $s->write("\n")});
+
chgstate("waitnl");
}
sub chgstate
{
- say "state '$state' -> '$_[0]'";
+ say "state '$state' -> '$_[0]'" if $dbg;
+
$state = $_[0];
}
{
my $name = shift;
my $ob = Serial->new($name, 19200) || die "$name $!\n";
- say "streaming $name fileno(", fileno($ob), ")";
+ say "streaming $name fileno(", fileno($ob), ")" if $dbg;
+
my $str = Mojo::IOLoop::Stream->new($ob);
$str->on(error=>sub {say "serial $_[1]"; undef $s; Mojo::IOLoop->reset;});
+
$str->on(close=>sub {say "serial closing"; undef $s; Mojo::IOLoop->reset;});
$str->on(timeout=>sub {say "serial timeout";});
$str->on(read=>sub {on_read(@_)});
$str->start;
- $rid = Mojo::IOLoop->recurring(2.5 => sub {start_loop() if !$state || $state eq "waitnl";});
+ $rid = Mojo::IOLoop->recurring(2.5 => sub {
+ start_loop() if !$state || $state eq "waitnl";
+ });
return $str;
}
+my $last_time;
+
sub process
{
my $blk = shift;
my $loo = substr $blk,0,3;
unless ( $loo eq 'LOO') {
- say "Block invalid loo -> $loo"; return;
+ say "Block invalid loo -> $loo" if $dbg; return;
}
my $t;
- my %hsh;
-
+ my %h;
- #$hsh{'next_rec'} = unpack("s", substr $blk,5,2);
-
- $hsh{'Barometric_Trend'} = unpack("C", substr $blk,3,1);
- $hsh{'Barometric_Trend_txt'} = $bar_trend{$hsh{'Barometric_Trend'}};
+ # Common ones
+ $h{Pressure_Trend} = unpack("C", substr $blk,3,1);
+ $h{Pressure_Trend_txt} = $bar_trend{$h{'Pressure_Trend'}};
$t = unpack("s", substr $blk,7,2) / 1000;
- # $hsh{'Barometric_Press_hg'} = $t;
- $hsh{'Barometric_Press_mb'} = sprintf("%.2f",$t*33.8637526);
-
+ $h{Pressure} = sprintf("%.0f",in2mb($t))+0;
$t = unpack("s", substr $blk,9,2) / 10;
- # $hsh{'Air_Temp_Inside_f'} = $t;
- $hsh{'Air_Temp_Inside_c'} = sprintf("%.1f",($t - 32) * 5/9);
- my $tf = unpack("s", substr $blk,12,2) / 10;
- # $hsh{'Air_Temp_Outside_f'} = $tf;
- $hsh{'Air_Temp_Outside_c'} = sprintf("%.1f",($tf - 32) * 5/9);
+ $h{Temp_In} = sprintf("%.1f", f2c($t))+0;
+
+ $t = unpack("s", substr $blk,12,2) / 10;
+ $h{Temp_Out} = sprintf("%.1f", f2c($t))+0;
+
+ $t = unpack("C", substr $blk,14,1);
+ $h{Wind} = sprintf("%.1f",mph2mps($t))+0;
+ $h{Dir} = unpack("s", substr $blk,16,2)+0;
- $hsh{'Wind_Speed_mph'} = unpack("C", substr $blk,14,1);
- # $hsh{'Wind_Speed_mps'} = sprintf("%.1f",$hsh{'Wind_Speed_mph'}*0.44704);
- $hsh{'Wind_Speed_10min_Avg_mph'} = unpack("C", substr $blk,15,1);
- # $hsh{'Wind_Speed_10min_Avg_mps'} = sprintf("%.1f",$hsh{'Wind_Speed_10min_Avg_mph'}*0.44704);
- $hsh{'Wind_Dir'} = unpack("s", substr $blk,16,2);
+ $h{'Humidity_Out'} = unpack("C", substr $blk,33,1)+0;
+ $h{'Humidity_In'} = unpack("C", substr $blk,11,1)+0;
- $hsh{'Humidity_Outside'} = unpack("C", substr $blk,33,1);
- $hsh{'Humidity_Inside'} = unpack("C", substr $blk,11,1);
- $hsh{'Dew_Point'} = dew_point($tf, $hsh{'Humidity_Outside'});
+ $t = unpack("C", substr $blk,43,1)+0;
+ $h{'UV'} = $t unless $t >= 255;
+ $t = unpack("s", substr $blk,44,2)+0; # watt/m**2
+ $h{'Solar'} = $t unless $t >= 32767;
- # $hsh{'UV'} = unpack("C", substr $blk,43,1);
- # $hsh{'Solar'} = unpack("s", substr $blk,44,2); # watt/m**2
+ $h{'Rain_Rate'} = sprintf("%0.1f",unpack("s", substr $blk,41,2) * $rain_mult)+0;
+ $h{'Rain_Day'} = sprintf("%0.1f", unpack("s", substr $blk,50,2) * $rain_mult)+0;
- $hsh{'Rain_Rate'} = (unpack("s", substr $blk,41,2) / 100) * 25.4; # Inches per hr converted to mm
- $hsh{'Rain_Storm'} = (unpack("s", substr $blk,46,2) / 100) * 25.4; # Inches per storm
- #$hsh{'Storm_Date'} = unpack("s", substr $blk,48,2); # Need to parse data (not sure what this is)
- $hsh{'Rain_Day'} = (unpack("s", substr $blk,50,2)/100) * 25.4;
- $hsh{'Rain_Month'} = (unpack("s", substr $blk,52,2)/100) * 25.4;
- $hsh{'Rain_Year'} = (unpack("s", substr $blk,54,2)/100) * 25.4;
+ # what sort of packet is it?
- $hsh{'ET_Day'} = unpack("s", substr $blk,56,2)/1000;
- $hsh{'ET_Month'} = unpack("s", substr $blk,58,2)/100;
- $hsh{'ET_Year'} = unpack("s", substr $blk,60,2)/100;
+ $t = unpack("C", substr $blk,4,1);
+ if ($t) {
- #$hsh{'Alarms_Inside'} = unpack("b8", substr $blk,70,1);
- #$hsh{'Alarms_Rain'} = unpack("b8", substr $blk,70,1);
- #$hsh{'Alarms_Outside'} = unpack("b8", substr $blk,70,1);
+ # Newer LOOP2 packet
+ $t = unpack("C", substr $blk,18,2);
+ $h{Wind_Avg_10} = sprintf("%.1f",mph2mps($t/10))+0;
+ $t = unpack("C", substr $blk,20,2);
+ $h{Wind_Avg_2} = sprintf("%.1f",mph2mps($t/10))+0;
+ $t = unpack("C", substr $blk,22,2);
+ $h{Wind_Gust_10} = sprintf("%.1f",mph2mps($t/10))+0;
+
+ $h{Dir_Avg_10} = unpack("C", substr $blk,24,2)+0;
+ $t = unpack("C", substr $blk,30,2);
+ $h{Dew_Point} = sprintf("%0.1f", f2c($t))+0;
- $hsh{'Batt_Transmitter'} = unpack("C", substr $blk,86,1); # * 0.005859375
- $hsh{'Batt_Console'} = unpack("s", substr $blk,87,2) * 0.005859375;
+ } else {
+
+ # Older LOOP packet
+ $t = unpack("C", substr $blk,15,1);
+ $h{Wind_Avg_10} = sprintf("%.1f",mph2mps($t))+0;
+ $h{'Dew_Point'} = sprintf("%0.1f", dew_point($h{Temp_Out}, $h{'Humidity_Out'}))+0;
- $hsh{'Forecast_Icon'} = unpack("C", substr $blk,89,1);
- $hsh{'Forecast_Rule'} = unpack("C", substr $blk,90,1);
+ $h{'Rain_Month'} = sprintf("%0.1f", unpack("s", substr $blk,52,2) * $rain_mult)+0;
+ $h{'Rain_Year'} = sprintf("%0.1f", unpack("s", substr $blk,54,2) * $rain_mult)+0;
- $hsh{'Sunrise'} = sprintf( "%04d", unpack("S", substr $blk,91,2) );
- $hsh{'Sunrise'} =~ s/(\d{2})(\d{2})/$1:$2/;
- $hsh{'Sunset'} = sprintf( "%04d", unpack("S", substr $blk,93,2) );
- $hsh{'Sunset'} =~ s/(\d{2})(\d{2})/$1:$2/;
- #my $nl = ord substr $blk,95,1;
- #my $cr = ord substr $blk,96,1;
+ $h{'Batt_TX_OK'} = (unpack("C", substr $blk,86,1)+0) ^ 1;
+ $h{'Batt_Console'} = sprintf("%0.2f", unpack("s", substr $blk,87,2) * 0.005859375)+0;
+ $h{'Forecast_Icon'} = unpack("C", substr $blk,89,1);
+ $h{'Forecast_Rule'} = unpack("C", substr $blk,90,1);
+
+ $h{'Sunrise'} = sprintf( "%04d", unpack("S", substr $blk,91,2) );
+ $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/;
+ }
my $crc = unpack "%n", substr($blk,97,2);
my $crc_calc = CRC_CCITT($blk);
if ($crc_calc==0) {
- say "inside: $hsh{Air_Temp_Inside_c} degC $hsh{Humidity_Inside}\% outside: $hsh{Air_Temp_Outside_c} degC $hsh{Humidity_Outside}\% wind: $hsh{Wind_Speed_mph} $hsh{Wind_Dir} deg $hsh{Barometric_Press_mb} mB";
-
+ my $o = gen_hash_diff($last_reading, \%h);
+ $last_reading = \%h;
+ my $t = time;
+ my $j;
+ my $s;
+ if ($t >= $last_time + 60) {
+ $j = encode_json(\%h);
+ $s = qq|{"t":$t,"m":$j}|;
+ $last_time = $t;
+ } elsif ($o) {
+ $j = encode_json($o);
+ $s = qq|{"t":$t,"r":$j}|;
+ }
+ if ($s) {
+ say $s;
+ $dlog->writenow($s);
+ }
} else {
- print "CRC check failed for LOOP data!\n";
+ say "CRC check failed for LOOP data!";
return 1;
}
- #delete @hsh{'crc', 'crc_calc', 'next_rec'};
- #delete($hsh{crc})||die"cant delete crc";
- #delete($hsh{crc_calc})||die"cant delete crc_calc";
- #delete($hsh{next_rec})||die"cant delete next_rec";
+}
+
+sub gen_hash_diff
+{
+ my $last = shift;
+ my $now = shift;
+ my %o;
+ my $count;
+
+ while (my ($k, $v) = each %$now) {
+ if ($last->{$k} ne $now->{$k}) {
+ $o{$k} = $v;
+ ++$count;
+ }
+ }
+ return $count ? \%o : undef;
}
sub dew_point
# Accurate to 1 degree C for humidities > 50 %
# http://en.wikipedia.org/wiki/Dew_point
- my $dew_point = $temp - ( (100 - $rh)/5 );
+ my $dewpoint = $temp - ((100 - $rh) / 5);
+
+ # this is the more complete one (which doesn't work)
+ #my $a = 6.1121;
+ #my $b = 18.678;
+ #my $c = 257.14;
+ #my $ytrh = log(($rh/100) + ($b * $temp) / ($c + $temp));
+ #my $dewpoint = ($c * $ytrh) / ($b - $ytrh);
- return $dew_point;
+ return $dewpoint;
}
sub CRC_CCITT
return $crc;
}
+sub f2c
+{
+ return ($_[0] - 32) * 5/9;
+}
+
+sub mph2mps
+{
+ return $_[0] * 0.44704;
+}
+
+sub in2mb
+{
+ return $_[0] * 33.8637526;
+}
projects / dweather.git / blobdiff