Fix rain, move things about in hour/min recs
authorDirk Koopman <djk@tobit.co.uk>
Mon, 14 Jul 2014 16:33:50 +0000 (17:33 +0100)
committerDirk Koopman <djk@tobit.co.uk>
Mon, 14 Jul 2014 16:33:50 +0000 (17:33 +0100)
Add a series of rain deltas: rain, rain_1m, rain_1h (per loop,
per minute, per hour).
Moved the state machine debugging into isdbg 'state'.

loop.pl

diff --git a/loop.pl b/loop.pl
index a01ff5c9fbc50c7eddc4d27d525f2f8d3d859621..e4a1fb69eb2c341a26d3af625c1ad03ecb6ca336 100755 (executable)
--- a/loop.pl
+++ b/loop.pl
@@ -22,11 +22,17 @@ my $buf;
 my $dbg;
 my $last_reading;
 my $s;                                                 # the serial port Mojo::IOLoop::Stream
+our $ending = 0;
 
 our $json = JSON->new->canonical(1);
 
 our $last_min = int(time/60)*60;
-our $last_hour = int(time/3600)*3600;
+our $last_hour = 0;
+our $last_rain_hour;
+our $last_rain_min;
+our $last_rain;
+
+our $loop_count;                               # how many LOOPs we have done, used as start indicator
 
 our    @crc_table = (
                                  0x0, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
@@ -73,9 +79,10 @@ $bar_trend{0} = "Steady";
 $bar_trend{20} = "Rising Slowly";
 $bar_trend{60} = "Rising Rapidly";
 
-my $ending;
+our $ending = 0;
 
 $SIG{TERM} = $SIG{INT} = sub {++$ending; Mojo::IOLoop->stop;};
+$SIG{HUP} = 'IGNORE';
 
 dbginit();
 if (@ARGV) {
@@ -108,7 +115,7 @@ sub on_read
        $d =~ s/([\%\x00-\x1f\x7f-\xff])/sprintf("%%%02X", ord($1))/eg; 
        dbg "read added '$d' buf lth=" . length $buf if isdbg 'raw';
        if ($state eq 'waitnl' && $buf =~ /[\cJ\cM]+/) {
-               dbg "Got \\n" if isdbg 'chan';
+               dbg "Got \\n" if isdbg 'state';
                Mojo::IOLoop->remove($tid) if $tid;
                undef $tid;
                undef $buf;
@@ -117,7 +124,7 @@ sub on_read
                chgstate("waitloop");
        } elsif ($state eq "waitloop") {
                if ($buf =~ /\x06/) {
-                       dbg "Got ACK 0x06" if isdbg 'chan';
+                       dbg "Got ACK 0x06" if isdbg 'state';
                        chgstate('waitlooprec');
                        undef $buf;
                }
@@ -134,7 +141,7 @@ sub on_read
 sub start_loop
 {
        $nlcount = 1;
-       dbg "start_loop writing $nlcount \\n" if isdbg 'chan';
+       dbg "start_loop writing $nlcount \\n" if isdbg 'state';
        $s->write("\n");
        Mojo::IOLoop->remove($tid) if $tid;
        undef $tid;
@@ -144,7 +151,7 @@ sub start_loop
                                                                                   do_reopen($devname);
                                                                                   return;
                                                                           }
-                                                                          dbg "writing $nlcount \\n" if isdbg 'chan'; 
+                                                                          dbg "writing $nlcount \\n" if isdbg 'state'; 
                                                                           $s->write("\n");
                                                                   });
        chgstate("waitnl");
@@ -152,7 +159,7 @@ sub start_loop
 
 sub chgstate
 {
-       dbg "state '$state' -> '$_[0]'" if isdbg 'chan';
+       dbg "state '$state' -> '$_[0]'" if isdbg 'state';
        $state = $_[0];
 }
 
@@ -210,125 +217,147 @@ sub process
                dbg "Block invalid loo -> $loo" if isdbg 'chan'; return;
        }
 
-       my $t;
+       my $tmp;
+       my $rain;
        my %h;
 
        # 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;
-       $h{Pressure} = sprintf("%.0f",in2mb($t))+0;
+       $tmp = unpack("s", substr $blk,7,2) / 1000;
+       $h{Pressure} = sprintf("%.0f",in2mb($tmp))+0;
 
-       $t = unpack("s", substr $blk,9,2) / 10;
-       $h{Temp_In} = sprintf("%.1f", f2c($t))+0;
+       $tmp = unpack("s", substr $blk,9,2) / 10;
+       $h{Temp_In} = sprintf("%.1f", f2c($tmp))+0;
        
-       $t  = unpack("s", substr $blk,12,2) / 10;
-       $h{Temp_Out}  = sprintf("%.1f", f2c($t))+0;
+       $tmp  = unpack("s", substr $blk,12,2) / 10;
+       $h{Temp_Out}  = sprintf("%.1f", f2c($tmp))+0;
 
-       $t = unpack("C", substr $blk,14,1);
-       $h{Wind} = sprintf("%.1f",mph2mps($t))+0;
+       $tmp = unpack("C", substr $blk,14,1);
+       $h{Wind} = sprintf("%.1f",mph2mps($tmp))+0;
        $h{Dir}     = unpack("s", substr $blk,16,2)+0;
 
        my $wind = {w => $h{Wind}, d => $h{Dir}};
        push @min, $wind;
 
-       $h{'Humidity_Out'} = unpack("C", substr $blk,33,1)+0;
-       $h{'Humidity_In'}  = unpack("C", substr $blk,11,1)+0;
+       $h{Humidity_Out} = unpack("C", substr $blk,33,1)+0;
+       $h{Humidity_In}  = unpack("C", substr $blk,11,1)+0;
 
-       $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;
+       $tmp = unpack("C", substr $blk,43,1)+0;
+       $h{UV} = $tmp unless $tmp >= 255;
+       $tmp = unpack("s", substr $blk,44,2)+0; # watt/m**2
+       $h{Solar} = $tmp unless $tmp >= 32767;
 
-       $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;
+#      $h{Rain_Rate}  = sprintf("%0.1f",unpack("s", substr $blk,41,2) * $rain_mult)+0;
+       $rain = $h{Rain_Day}   = sprintf("%0.1f", unpack("s", substr $blk,50,2) * $rain_mult)+0;
+       $h{Rain} = ($rain >= $last_rain ? $rain - $last_rain : $rain) if $loop_count;
+       $last_rain = $rain;
 
        # what sort of packet is it?
 
-       $t =  unpack("C", substr $blk,4,1);
-       if ($t) {
+       my $sort =  unpack("C", substr $blk,4,1);
+       if ($sort) {
 
                # 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;
-          
+               $tmp = unpack("C", substr $blk,18,2);
+#              $h{Wind_Avg_10} = sprintf("%.1f",mph2mps($tmp/10))+0;
+               $tmp = unpack("C", substr $blk,20,2);
+#              $h{Wind_Avg_2} = sprintf("%.1f",mph2mps($tmp/10))+0;
+               $tmp = unpack("C", substr $blk,22,2);
+#              $h{Wind_Gust_10} = sprintf("%.1f",mph2mps($tmp/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;
+               $tmp = unpack("C", substr $blk,30,2);
+               $h{Dew_Point} = sprintf("%0.1f", f2c($tmp))+0;
 
        } 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;
-
-               $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;
-
-
-               $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/;
+               $tmp = unpack("C", substr $blk,15,1);
+#              $h{Wind_Avg_10} = sprintf("%.1f",mph2mps($tmp))+0;
+               $h{Dew_Point}  = sprintf("%0.1f", dew_point($h{Temp_Out}, $h{Humidity_Out}))+0;
+               $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;
+
        }
 
-       my $crc = unpack "%n", substr($blk,97,2);
        my $crc_calc = CRC_CCITT($blk);
 
        if ($crc_calc==0) {
-               my $o = gen_hash_diff($last_reading, \%h);
-               $last_reading = \%h;
-               my $t = time;
+               my $ts = time;
                my $j;
-               my $s;
-               if ($t >= $last_min + 60) {
-                       my $a = average(@min);
-                       push @hour, $a;
+               my $str;
+               if ($ts >= $last_hour + 3600) {
+                       $h{Pressure_Trend}    = unpack("C", substr $blk,3,1);
+                       $h{Pressure_Trend_txt} = $bar_trend{$h{Pressure_Trend}};
+                       $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:$2/;
+
+                       if ($loop_count) {      # i.e not the first
+                               my $a = average(scalar @hour ? @hour : {w => $h{Wind}, d => $h{Dir}});
 
-                       $h{Wind_1m} = sprintf("%0.1f", $a->{w})+0;
-                       $h{Dir_1m} = sprintf("%0.0f", $a->{d})+0;
-                       
-                       $j = $json->encode(\%h);
-                       $s = qq|{"t":$t,"m":$j}|;
-                       $last_min = $t;
-                       @min = ();
-                       if ($t >= $last_hour + 3600) {
-                               my $a = average(@hour);
-                               
-                               delete $h{Wind_1m};
-                               delete $h{Dir_1m};
                                $h{Wind_1h} = sprintf("%0.1f", $a->{w})+0;
                                $h{Dir_1h} = sprintf("%0.0f", $a->{d})+0;
+                               $h{Rain_1h} = $rain >= $last_rain_hour ? $rain - $last_rain_hour : $rain;
+
+                               $h{Wind_1m} = sprintf("%0.1f", $a->{w})+0;
+                               $h{Dir_1m} = sprintf("%0.0f", $a->{d})+0;
+                               $h{Rain_1m} = $rain >= $last_rain_min ? $rain - $last_rain_min : $rain;
+                       }
+                       $last_rain_min = $last_rain_hour = $rain;
+
+                       $j = $json->encode(\%h);
+                       $str = qq|{"t":$ts,"h":$j}|;
+                       $last_hour = int($ts/3600)*3600;
+                       $last_min = int($ts/60)*60;
+                       @hour = ();
+                       @min = ();
+               } elsif ($ts >= $last_min + 60) {
+                       my $a = average(@min);
+                       my %save;
+
+                       push @hour, $a;
 
-                               $j = $json->encode(\%h);
-                               $s = qq|{"t":$t,"h":$j}|;
-                               $last_hour = $t;
-                               @hour = ();
+                       if ($loop_count) {      # i.e not the first
+                               $h{Wind_1m} = sprintf("%0.1f", $a->{w})+0;
+                               $h{Dir_1m} = sprintf("%0.0f", $a->{d})+0;
+                               $h{Rain_1h} = $rain >= $last_rain_hour ? $rain - $last_rain_hour : $rain; # this is the rate for this hour, so far
+                               $h{Rain_1m} = $rain >= $last_rain_min ? $rain - $last_rain_min : $rain;
                        }
-               } elsif ($o) {
-                       $j = $json->encode($o);
-                       $s = qq|{"t":$t,"r":$j}|;
+                       $last_rain_min = $rain;
+
+                       $j = $json->encode(\%h);
+                       $str = qq|{"t":$ts,"m":$j}|;
+                       $last_min = int($ts/60)*60;
+                       @min = ();
                } else {
-                       dbg "loop rec not changed" if isdbg 'chan';
-               }
-               if ($s) {
-                       dbg $s;
-                       say $s;
-                       $dlog->writenow($s);
+                       my $o = gen_hash_diff($last_reading, \%h);
+                       if ($o) {
+                               $j = $json->encode($o);
+                               $str = qq|{"t":$ts,"r":$j}|;
+                       } else {
+                               dbg "loop rec not changed" if isdbg 'chan';
+                       }
                }
+               output_str($str) if $str;
+               $last_reading = \%h;
+               ++$loop_count;
        } else {
                dbg "CRC check failed for LOOP data!";
        }
+       return;
+}
+
+sub output_str
+{
+       my $str = shift;
+       dbg $str;
+#      say $str;
+       $dlog->writenow($str);
 }
 
 sub gen_hash_diff