use Serial;
use Mojo::IOLoop;
use Mojo::IOLoop::Stream;
+use Mojo::JSON qw(decode_json encode_json);
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 $s = do_open($devname);
start_loop();
Mojo::IOLoop->start unless Mojo::IOLoop->is_running;
+$s->close;
+
exit 0;
sub on_read
my ($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;
undef $buf;
}
} elsif ($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->timer(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(@_)});
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 $blk,5,2);
+ #$h{'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'}};
+ $h{'Barometric_Trend'} = unpack("C", substr $blk,3,1);
+ $h{'Barometric_Trend_txt'} = $bar_trend{$h{'Barometric_Trend'}};
$t = unpack("s", substr $blk,7,2) / 1000;
- # $hsh{'Barometric_Press_hg'} = $t;
- $hsh{'Barometric_Press_mb'} = sprintf("%.2f",$t*33.8637526);
+ $h{'Barometric_Press_mb'} = sprintf("%.0f",$t*33.8637526);
$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);
+ $h{'Air_Temp_Inside_c'} = sprintf("%.1f",($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);
+ $h{'Air_Temp_Outside_c'} = sprintf("%.1f",($tf - 32) * 5/9);
- $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{'Wind_Speed_mph'} = unpack("C", substr $blk,14,1);
+ $h{'Wind_Speed_mps'} = sprintf("%.1f",$h{'Wind_Speed_mph'}*0.44704);
+ $h{'Wind_Speed_10min_Avg_mph'} = unpack("C", substr $blk,15,1);
+ $h{'Wind_Speed_10min_Avg_mps'} = sprintf("%.1f",$h{'Wind_Speed_10min_Avg_mph'}*0.44704);
+ $h{'Wind_Dir'} = unpack("s", substr $blk,16,2);
- $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'});
+ $h{'Humidity_Outside'} = unpack("C", substr $blk,33,1);
+ $h{'Humidity_Inside'} = unpack("C", substr $blk,11,1);
+ $h{'Dew_Point'} = dew_point($h{Air_Temp_Outside_c}, $h{'Humidity_Outside'});
- # $hsh{'UV'} = unpack("C", substr $blk,43,1);
- # $hsh{'Solar'} = unpack("s", substr $blk,44,2); # watt/m**2
+ $h{'UV'} = unpack("C", substr $blk,43,1);
+ $h{'Solar'} = unpack("s", substr $blk,44,2); # watt/m**2
- $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;
+ $h{'Rain_Rate'} = unpack("s", substr $blk,41,2) * $rain_mult;
+ $h{'Rain_Day'} = unpack("s", substr $blk,50,2) * $rain_mult;
+ $h{'Rain_Month'} = unpack("s", substr $blk,52,2) * $rain_mult;
+ $h{'Rain_Year'} = unpack("s", substr $blk,54,2) * $rain_mult;
- $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;
+ $h{'ET_Day'} = unpack("s", substr $blk,56,2)/1000;
+ $h{'ET_Month'} = unpack("s", substr $blk,58,2)/100;
+ $h{'ET_Year'} = unpack("s", substr $blk,60,2)/100;
- #$hsh{'Alarms_Inside'} = unpack("b8", substr $blk,70,1);
- #$hsh{'Alarms_Rain'} = unpack("b8", substr $blk,70,1);
- #$hsh{'Alarms_Outside'} = unpack("b8", substr $blk,70,1);
+ #$h{'Alarms_Inside'} = unpack("b8", substr $blk,70,1);
+ #$h{'Alarms_Rain'} = unpack("b8", substr $blk,70,1);
+ #$h{'Alarms_Outside'} = unpack("b8", substr $blk,70,1);
- $hsh{'Batt_Transmitter'} = unpack("C", substr $blk,86,1); # * 0.005859375
- $hsh{'Batt_Console'} = unpack("s", substr $blk,87,2) * 0.005859375;
+ $h{'Batt_TX_OK'} = (unpack("C", substr $blk,86,1)+0) ^ 1;
+ $h{'Batt_Console'} = unpack("s", substr $blk,87,2) * 0.005859375;
- $hsh{'Forecast_Icon'} = unpack("C", substr $blk,89,1);
- $hsh{'Forecast_Rule'} = unpack("C", substr $blk,90,1);
+ $h{'Forecast_Icon'} = unpack("C", substr $blk,89,1);
+ $h{'Forecast_Rule'} = unpack("C", substr $blk,90,1);
- $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/;
+ $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 $nl = ord substr $blk,95,1;
#my $cr = ord substr $blk,96,1;
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;
+ if (time % 60 == 0) {
+ my $oo = {t => time, r =>\%h};
+ say encode_json($oo);
+ } elsif ($o) {
+ my $oo = {t => time, r =>$o};
+ say encode_json($oo);
+ }
} else {
- print "CRC check failed for LOOP data!\n";
+ say "CRC check failed for LOOP data!";
return 1;
}
- #delete @hsh{'crc', 'crc_calc', 'next_rec'};
- #delete($hsh{crc})||die"cant delete crc";
- #delete($hsh{crc_calc})||die"cant delete crc_calc";
- #delete($hsh{next_rec})||die"cant delete next_rec";
+ #delete @h{'crc', 'crc_calc', 'next_rec'};
+ #delete($h{crc})||die"cant delete crc";
+ #delete($h{crc_calc})||die"cant delete crc_calc";
+ #delete($h{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
projects / dweather.git / blobdiff