added missing interval
[vaillant-thermostat] / serial.pl
index 4f60390..c08a73e 100755 (executable)
--- a/serial.pl
+++ b/serial.pl
@@ -7,10 +7,12 @@ use Time::HiRes qw(time);
 
 my $read_len = 255;
 
-my $path = shift @ARGV || '/dev/serial/by-path/platform-20980000.usb-usb-0:1.3.1:1.0-port0';
+my $path = shift @ARGV || '/dev/serial/by-path/platform-20980000.usb-usb-0:1.2:1.0-port0';
 
 $|=1;
 
+connect_again:
+
 my $s = new Device::SerialPort( $path ) || die $!;
 $s->baudrate(2400);
 $s->databits(8); # 7
@@ -25,29 +27,54 @@ $s->read_const_time(3);
 my $t = time();
 
 my $sym;
-my $chr = 'A';
+
+sub _mqtt_pub {
+       my ( $t, $m ) = @_;
+       my $cmd = "mosquitto_pub -h rpi2 -t '$t' -m '$m'";
+       #warn "# _mqtt_pub [$t] = [$m]\n";
+       #warn "## $cmd";
+       system $cmd;
+}
 
 while (1) {
        my ($len, $string) = $s->read($read_len);
+       goto connect_again if ! defined $len;
        my $ts = time();
 
        if ( $len > 0 ) {
                my $hex = unpack('H*',$string);
                $hex =~ s/(..)/$1 /g;
-=for later
-               my $ascii;
-               foreach ( split(/ /, $hex) ) {
-                       if ( ! exists $sym->{$_} ) {
-                               $chr++;
-                       $ascii 
-=cut
-
-               my $temp = `curl localhost:3000/temp.txt`;
+
+               my $temp = `curl --silent localhost:3000/temp.txt`;
                $temp =~ s/\s+/ /gs;
+               $temp =~ s/^\s+//;
 
                #printf "%s %2d  %s\n", time(), $len, $hex;
                printf "%8.4f %6.2f %2d  %s | %s\n", $ts, $ts - $t, $len, $hex, $temp;
                $t = time();
+
+               if ( $hex =~ m/^.+aa fc 39 aa (.+)/ ) {
+                       my @l = split(/\s+/,$1);
+                       my @d = (
+                               hex( $l[0] . $l[1] ),
+                               hex( $l[3] . $l[4] ),
+                               hex( $l[6] ),
+                               hex( $l[12] ),
+                               hex( $l[14] ), # * 300,
+                               hex( $l[15] ), # * 400,
+                               hex( $l[18] ),
+                       );
+
+                       _mqtt_pub "stat/boiler/" . chr(ord('a') + $_) => $d[$_] foreach 0 .. $#d;
+               }
+
+               my @v = split(/\s+/, $temp, 4);
+               my @n = qw( DS18B20/temperature DHT22/temperature DHT22/humidity DHT22/errors );
+                  @n = qw( DS18B20/temperature DHT22/temperature DHT22/humidity DHT22/errors ) if $#v == 1; # no DS18B20
+               foreach (@v) {
+                       _mqtt_pub "stat/boiler/" . shift(@n) => $_;
+               }
+
        }
 }