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fhem-mirror/fhem/FHEM/14_CUL_MAX.pm
2013-01-13 15:50:41 +00:00

442 lines
14 KiB
Perl

##############################################
# $Id$
# Written by Matthias Gehre, M.Gehre@gmx.de, 2012
package main;
use strict;
use warnings;
require "10_MAX.pm";
our %msgId2Cmd;
our %msgCmd2Id;
our %device_types;
sub CUL_MAX_Send(@);
sub CUL_MAX_BroadcastTime(@);
sub CUL_MAX_Set($@);
sub CUL_MAX_SendAck($$$);
sub CUL_MAX_SendTimeInformation(@);
sub CUL_MAX_Send(@);
my $pairmodeDuration = 60; #seconds
my $timeBroadcastInterval = 6*60*60; #= 6 hours, the same time that the cube uses
my $resendRetries = 0; #how often resend before giving up?
my $ackTimeout = 3; #seconds
my $defaultWeekprofile = "444855084520452045204520452045204520452045204520452044485508452045204520452045204520452045204520452045204448546c44cc55144520452045204520452045204520452045204448546c44cc55144520452045204520452045204520452045204448546c44cc55144520452045204520452045204520452045204448546c44cc55144520452045204520452045204520452045204448546c44cc5514452045204520452045204520452045204520";
sub
CUL_MAX_Initialize($)
{
my ($hash) = @_;
$hash->{Match} = "^Z";
$hash->{DefFn} = "CUL_MAX_Define";
$hash->{Clients} = ":MAX:";
my %mc = (
"1:MAX" => "^MAX",
);
$hash->{MatchList} = \%mc;
$hash->{UndefFn} = "CUL_MAX_Undef";
$hash->{ParseFn} = "CUL_MAX_Parse";
$hash->{SetFn} = "CUL_MAX_Set";
$hash->{AttrList} = "IODev do_not_notify:1,0 ignore:0,1 " .
"showtime:1,0 loglevel:0,1,2,3,4,5,6 ".
$readingFnAttributes;
}
#############################
sub
CUL_MAX_Define($$)
{
my ($hash, $def) = @_;
my @a = split("[ \t][ \t]*", $def);
return "wrong syntax: define <name> CUL_MAX <srdAddr>" if(@a<3);
if(exists($modules{CUL_MAX}{defptr})) {
Log 1, "There is already one CUL_MAX defined";
return "There is already one CUL_MAX defined";
}
$modules{CUL_MAX}{defptr} = $hash;
$hash->{addr} = $a[2];
$hash->{STATE} = "Defined";
$hash->{cnt} = 0;
$hash->{pairmode} = 0;
$hash->{retryCount} = 0;
$hash->{devices} = ();
AssignIoPort($hash);
if(CUL_MAX_Check($hash)) {
#Doing this on older firmware disables MAX mode
IOWrite($hash, "", "Za". $hash->{addr});
#Append to initString, so this is resend if cul disappears and then reappears
$hash->{IODev}{initString} .= "\nZa". $hash->{addr};
}
#This interface is shared with 00_MAXLAN.pm
$hash->{Send} = \&CUL_MAX_Send;
CUL_MAX_BroadcastTime($hash);
return undef;
}
#####################################
sub
CUL_MAX_Undef($$)
{
my ($hash, $name) = @_;
RemoveInternalTimer($hash);
delete($modules{CUL_MAX}{defptr});
return undef;
}
sub
CUL_MAX_DisablePairmode($)
{
my $hash = shift;
$hash->{pairmode} = 0;
}
sub
CUL_MAX_Check($@)
{
my ($hash) = @_;
return if(!defined($hash->{IODev}));
return if(!defined($hash->{IODev}{TYPE}));
return if($hash->{IODev}{TYPE} ne "CUL");
return if(!defined($hash->{IODev}{VERSION}));
my $version = $hash->{IODev}{VERSION};
#Looks like "V 1.49 CUL868"
$version =~ m/V (.*)\.(.*) CUL.*/;
my ($major_version,$minorversion) = ($1, $2);
if($major_version == 1 and $minorversion < 52) {
Log 2, "The current firmware of the CUL has known bugs with respect to MAX! support. Please update.";
return 0;
}
return 1;
}
sub
CUL_MAX_Set($@)
{
my ($hash, $device, @a) = @_;
return "\"set MAXLAN\" needs at least one parameter" if(@a < 1);
my ($setting, @args) = @a;
if($setting eq "pairmode") {
$hash->{pairmode} = 1;
InternalTimer(gettimeofday()+$pairmodeDuration, "CUL_MAX_DisablePairmode", $hash, 0);
} elsif($setting eq "broadcastTime") {
CUL_MAX_BroadcastTime($hash, 1);
} else {
return "Unknown argument $setting, choose one of pairmode broadcastTime";
}
return undef;
}
#Array of all packet that we wait to be ack'ed
my @waitForAck = ();
sub
CUL_MAX_Parse($$)
{
#Attention: there is a limit in the culfw firmware: It only receives messages shorter than 30 bytes (see rf_moritz.h)
my ($hash, $rmsg) = @_;
if(!exists($modules{CUL_MAX}{defptr})) {
Log 5, "No CUL_MAX defined";
return "UNDEFINED CULMAX0 CUL_MAX 123456";
}
my $shash = $modules{CUL_MAX}{defptr};
$rmsg =~ m/Z(..)(..)(..)(..)(......)(......)(..)(.*)/;
my ($len,$msgcnt,$msgFlag,$msgTypeRaw,$src,$dst,$groupid,$payload) = ($1,$2,$3,$4,$5,$6,$7,$8);
$len = hex($len);
if(2*$len+3 != length($rmsg)) { #+3 = +1 for 'Z' and +2 for len field in hex
my $msg = "CUL_MAX_Parse: len mismatch";
Log 1, $msg;
return $msg;
}
$groupid = hex($groupid);
#convert adresses to lower case
$src = lc($src);
$dst = lc($dst);
my $msgType = exists($msgId2Cmd{$msgTypeRaw}) ? $msgId2Cmd{$msgTypeRaw} : $msgTypeRaw;
Log 5, "CUL_MAX_Parse: len $len, msgcnt $msgcnt, msgflag $msgFlag, msgTypeRaw $msgType, src $src, dst $dst, groupid $groupid, payload $payload";
my $isToMe = ($dst eq $shash->{addr}) ? 1 : 0; # $isToMe is true if that packet was directed at us
if(exists($msgId2Cmd{$msgTypeRaw})) {
if($msgType eq "Ack") {
return undef if($src eq $shash->{addr}); #Ignore packets generated by culfw's auto-Ack
Dispatch($shash, "MAX,$isToMe,Ack,$src,$payload", {RAWMSG => $rmsg});
return undef if(!$isToMe);
my $i = 0;
while ($i < @waitForAck) {
my $packet = $waitForAck[$i];
if($packet->{dest} eq $src and $packet->{cnt} == hex($msgcnt)) {
Log 5, "Got matching ack";
splice @waitForAck, $i, 1;
return undef;
} else {
$i++;
}
}
} elsif($msgType eq "TimeInformation") {
if($isToMe) {
#This is a request for TimeInformation send to us
Log 5, "Got request for TimeInformation, sending it";
CUL_MAX_SendTimeInformation($shash, $src);
} else {
my ($f1,$f2,$f3,$f4,$f5) = unpack("CCCCC",pack("H*",$payload));
#For all fields but the month I'm quite sure
my $year = $f1 + 2000;
my $day = $f2;
my $hour = ($f3 & 0x1F);
my $min = $f4 & 0x3F;
my $sec = $f5 & 0x3F;
my $month = (($f4 >> 6) << 2) | ($f5 >> 6); #this is just guessed
my $unk1 = $f3 >> 5;
my $unk2 = $f4 >> 6;
my $unk3 = $f5 >> 6;
#I guess the unk1,2,3 encode if we are in DST?
Log 5, "CUL_MAX_Parse: Got TimeInformation: (in GMT) year $year, mon $month, day $day, hour $hour, min $min, sec $sec, unk ($unk1, $unk2, $unk3)";
}
} elsif($msgType eq "PairPing") {
my ($unk1,$type,$unk2,$serial) = unpack("CCCa*",pack("H*",$payload));
Log 5, "CUL_MAX_Parse: Got PairPing (dst $dst, pairmode $shash->{pairmode}), unk1 $unk1, type $type, unk2 $unk2, serial $serial";
#There are two variants of PairPing:
#1. It has a destination address of "000000" and can be paired to any device.
#2. It is sent after changing batteries or repressing the pair button (without factory reset) and has a destination address of the last paired device. We can answer it with PairPong and even get an Ack, but it will still not be paired to us. A factory reset (originating from the last paired device) is needed first.
if(($dst ne "000000") and !$isToMe) {
Log 2, "Device want's to be re-paired to $dst, not to us";
return undef;
}
if($shash->{pairmode}) {
Log 3, "CUL_MAX_Parse: Pairing device $src of type $device_types{$type} with serial $serial";
CUL_MAX_Send($shash, "PairPong", $src, "00");
Dispatch($shash, "MAX,$isToMe,define,$src,$device_types{$type},$serial,0,0", {RAWMSG => $rmsg});
#This are the default values that a device has after factory reset or pairing
if($device_types{$type} eq "HeatingThermostat") {
Dispatch($shash, "MAX,$isToMe,HeatingThermostatConfig,$src,17,21,30.5,4.5,80,5,0,12,15,100,0,0,12,$defaultWeekprofile", {RAWMSG => $rmsg});
} elsif($device_types{$type} eq "WallMountedThermostat") {
Dispatch($shash, "MAX,$isToMe,WallThermostatConfig,$src,17,21,30.5,4.5,$defaultWeekprofile", {RAWMSG => $rmsg});
}
#Todo: CUL_MAX_SendTimeInformation($shash, $src); on Ack for our PairPong
}
} elsif($msgType ~~ ["ShutterContactState", "WallThermostatState", "ThermostatState", "PushButtonState"]) {
Dispatch($shash, "MAX,$isToMe,$msgType,$src,$payload", {RAWMSG => $rmsg});
} else {
Log 5, "Unhandled message $msgType";
}
} else {
Log 2, "CUL_MAX_Parse: Got unhandled message type $msgTypeRaw";
}
return undef;
}
sub
CUL_MAX_SendAck($$$)
{
my ($hash,$msgcnt,$dst) = @_;
return CUL_MAX_Send($hash, "Ack", $dst, "00", "00", "00", $msgcnt);
}
#All inputs are hex strings, $cmd is one from %msgCmd2Id
sub
CUL_MAX_Send(@)
{
# $cmd is one of
my ($hash, $cmd, $dst, $payload, $flags, $groupId, $msgcnt, $src) = @_;
CUL_MAX_Check($hash);
$flags = "00" if(!$flags);
$groupId = "00" if(!defined($groupId));
$src = $hash->{addr} if(!defined($src));
if(!defined($msgcnt)) {
my $dhash = CUL_MAX_DeviceHash($dst);
#replace message counter if not already set
$dhash->{READINGS}{msgcnt}{VAL} += 1;
$dhash->{READINGS}{msgcnt}{VAL} &= 0xFF;
$msgcnt = sprintf("%02x",$dhash->{READINGS}{msgcnt}{VAL});
}
my $packet = $msgcnt . $flags . $msgCmd2Id{$cmd} . $src . $dst . $groupId . $payload;
#prefix length in bytes
$packet = sprintf("%02x",length($packet)/2) . $packet;
#Send to CUL
IOWrite($hash, "", "Zs". $packet);
#Schedule checking for Ack
return undef if($cmd eq "Ack"); #we don't get an Ack for an Ack
return undef if($src ne $hash->{addr}); #we don't handle Ack's for fake messages
my $timeout = gettimeofday()+$ackTimeout;
$waitForAck[@waitForAck] = { "packet" => $packet,
"dest" => $dst,
"cnt" => hex($msgcnt),
"time" => $timeout,
"resends" => "0" };
InternalTimer($timeout, "CUL_MAX_Resend", $hash, 0);
return undef;
}
sub
CUL_MAX_DeviceHash($)
{
my $addr = shift;
return $modules{MAX}{defptr}{$addr};
}
sub
CUL_MAX_Resend($)
{
my $hash = shift;
my $resendTime = gettimeofday()+60; #some large time
my $i = 0;
while ($i < @waitForAck ) {
my $packet = $waitForAck[$i];
if( $packet->{time} <= gettimeofday() ) {
Log 2, "CUL_MAX_Resend: Missing ack from $packet->{dest} for $packet->{packet}";
if($packet->{resends}++ < $resendRetries) {
#First resend is one second after original send, second resend it two seconds after first resend, etc
$packet->{time} = gettimeofday()+$ackTimeout;
IOWrite($hash, "", "Zs". $packet->{packet});
readingsSingleUpdate($hash, "retryCount", ReadingsVal($hash->{NAME}, "retryCount", 0) + 1, 1);
} else {
Log 1, "CUL_MAX_Resend: Giving up on that packet";
splice @waitForAck, $i, 1; #Remove from array
readingsSingleUpdate($hash, "packetsLost", ReadingsVal($hash->{NAME}, "packetsLost", 0) + 1, 1);
next
}
}
$resendTime = $packet->{time} if($packet->{time} < $resendTime);
$i++;
}
return if(!@waitForAck); #no need to recheck
InternalTimer($resendTime, "CUL_MAX_Resend", $hash, 0);
}
sub
CUL_MAX_GetTimeInformationPayload()
{
my ($sec,$min,$hour,$day,$mon,$year,$wday,$yday,$isdst) = gmtime(time());
$mon += 1; #make month 1-based
#month encoding is just guessed
#perls localtime gives years since 1900, and we need years since 2000
return unpack("H*",pack("CCCCC", $year - 100, $day, $hour, $min | (($mon & 0x0C) << 4), $sec | (($mon & 0x03) << 6)));
}
sub
CUL_MAX_SendTimeInformation(@)
{
my ($hash,$addr,$payload) = @_;
$payload = CUL_MAX_GetTimeInformationPayload() if(!defined($payload));
Log 5, "broadcast time to $addr";
CUL_MAX_Send($hash, "TimeInformation", $addr, $payload, "03");
}
sub
CUL_MAX_SendTimeInformationSender($)
{
my $args = shift;
my ($hash,$addr,$payload) = @{$args};
CUL_MAX_SendTimeInformation($hash, $addr, $payload);
}
sub
CUL_MAX_BroadcastTime(@)
{
my ($hash,$manual) = @_;
my $payload = CUL_MAX_GetTimeInformationPayload();
Log 5, "CUL_MAX_BroadcastTime: payload $payload";
my $i = 1;
foreach my $addr (keys %{$modules{MAX}{defptr}}) {
my $dhash = $modules{MAX}{defptr}{$addr};
#Check that
#1. the MAX device dhash uses this MAX_CUL as IODev
#2. the MAX device is a Wall/HeatingThermostat
if(exists($dhash->{IODev}) && $dhash->{IODev} == $hash
&& $dhash->{type} ~~ [ "HeatingThermostat", "HeatingThermostatPlus", "WallMountedThermostat"] ) {
#We queue it at different times and do not send directly, because
#sending them all in a row makes us not see the Acks
InternalTimer(gettimeofday()+3*$i++, "CUL_MAX_SendTimeInformationSender", [$hash, $addr, $payload], 0);
}
}
InternalTimer(gettimeofday()+$timeBroadcastInterval, "CUL_MAX_BroadcastTime", $hash, 0) unless(defined($manual));
}
1;
=pod
=begin html
<a name="CUL_MAX"></a>
<h3>CUL_MAX</h3>
<ul>
The CUL_MAX module interprets MAX! messages received by the CUL. It will be automatically created by autocreate, just make sure
that you set the right rfmode like <code>attr CUL0 rfmode MAX</code>.<br>
<br><br>
<a name="CUL_MAXdefine"></a>
<b>Define</b>
<ul>
<code>define &lt;name&gt; CUL_MAX &lt;addr&gt;</code>
<br><br>
Defines an CUL_MAX device of type &lt;type&gt; and rf address &lt;addr&gt. The rf address
must not be in use by any other MAX device.
</ul>
<br>
<a name="CUL_MAXset"></a>
<b>Set</b> <ul>N/A</ul><br>
<a name="CUL_MAXget"></a>
<b>Get</b> <ul>N/A</ul><br>
<a name="CUL_MAXattr"></a>
<b>Attributes</b>
<ul>
<li><a href="#ignore">ignore</a></li><br>
<li><a href="#do_not_notify">do_not_notify</a></li><br>
<li><a href="#showtime">showtime</a></li><br>
<li><a href="#loglevel">loglevel</a></li><br>
<li><a href="#readingFnAttributes">readingFnAttributes</a></li>
</ul>
<br>
<a name="CUL_MAXevents"></a>
<b>Generated events:</b>
<ul>N/A</ul>
<br>
</ul>
=end html
=cut