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https://github.com/fhem/fhem-mirror.git
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e3dec92e97
git-svn-id: https://svn.fhem.de/fhem/trunk/fhem@15771 2b470e98-0d58-463d-a4d8-8e2adae1ed80
271 lines
8.0 KiB
Perl
Executable File
271 lines
8.0 KiB
Perl
Executable File
########################################################################################
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#
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# $Id$
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#
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# FHEM module for one Firmata digial output pin
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#
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########################################################################################
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#
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# LICENSE AND COPYRIGHT
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#
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# Copyright (C) 2013 ntruchess
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# Copyright (C) 2016 jensb
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#
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# All rights reserved
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#
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# This script is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# The GNU General Public License can be found at
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# http://www.gnu.org/copyleft/gpl.html.
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# A copy is found in the textfile GPL.txt and important notices to the license
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# from the author is found in LICENSE.txt distributed with these scripts.
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#
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# This script is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# This copyright notice MUST APPEAR in all copies of the script!
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#
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########################################################################################
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package main;
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use strict;
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use warnings;
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#add FHEM/lib to @INC if it's not already included. Should rather be in fhem.pl than here though...
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BEGIN {
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if (!grep(/FHEM\/lib$/,@INC)) {
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foreach my $inc (grep(/FHEM$/,@INC)) {
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push @INC,$inc."/lib";
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};
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};
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};
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use Device::Firmata::Constants qw/ :all /;
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use SetExtensions;
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#####################################
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sub
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FRM_OUT_Initialize($)
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{
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my ($hash) = @_;
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$hash->{SetFn} = "FRM_OUT_Set";
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$hash->{DefFn} = "FRM_Client_Define";
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$hash->{InitFn} = "FRM_OUT_Init";
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$hash->{UndefFn} = "FRM_Client_Undef";
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$hash->{AttrFn} = "FRM_OUT_Attr";
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$hash->{StateFn} = "FRM_OUT_State";
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$hash->{AttrList} = "restoreOnReconnect:on,off restoreOnStartup:on,off activeLow:yes,no IODev valueMode:send,receive,bidirectional $main::readingFnAttributes";
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main::LoadModule("FRM");
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}
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sub
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FRM_OUT_Init($$)
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{
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my ($hash,$args) = @_;
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my $ret = FRM_Init_Pin_Client($hash,$args,PIN_OUTPUT);
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return $ret if (defined $ret);
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eval {
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my $firmata = FRM_Client_FirmataDevice($hash);
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my $pin = $hash->{PIN};
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$firmata->observe_digital($pin,\&FRM_OUT_observer,$hash);
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};
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my $name = $hash->{NAME};
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if (! (defined AttrVal($name,"stateFormat",undef))) {
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$main::attr{$name}{"stateFormat"} = "value";
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}
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my $value = ReadingsVal($name,"value",undef);
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if (!defined($value)) {
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readingsSingleUpdate($hash,"value","off",0);
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}
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if (AttrVal($hash->{NAME},"restoreOnReconnect", "on") eq "on") {
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FRM_OUT_Set($hash,$name,$value);
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}
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main::readingsSingleUpdate($hash,"state","Initialized",1);
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return undef;
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}
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sub
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FRM_OUT_observer($$$$)
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{
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my ($pin,$old,$new,$hash) = @_;
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my $name = $hash->{NAME};
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Log3 $name, 5, "onDigitalMessage for pin ".$pin.", old: ".(defined $old? $old : "--").", new: ".(defined $new? $new : "--");
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if (AttrVal($hash->{NAME}, "activeLow", "no") eq "yes") {
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$old = $old == PIN_LOW ? PIN_HIGH : PIN_LOW if (defined $old);
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$new = $new == PIN_LOW ? PIN_HIGH : PIN_LOW;
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}
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my $changed = !defined($old) || ($old != $new);
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if ($changed && (AttrVal($hash->{NAME}, "valueMode", "send") ne "send")) {
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main::readingsSingleUpdate($hash, "value", $new == PIN_HIGH? "on" : "off", 1);
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}
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}
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sub
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FRM_OUT_Set($$$)
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{
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my ($hash, $name, $cmd, @a) = @_;
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my $value;
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my $invert = AttrVal($hash->{NAME},"activeLow", "no");
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if ($cmd eq "on") {
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$value = $invert eq "yes" ? PIN_LOW : PIN_HIGH;
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} elsif ($cmd eq "off") {
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$value = $invert eq "yes" ? PIN_HIGH : PIN_LOW;
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} else {
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my $list = "on off";
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return SetExtensions($hash, $list, $name, $cmd, @a);
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}
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eval {
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FRM_Client_FirmataDevice($hash)->digital_write($hash->{PIN},$value);
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if (AttrVal($hash->{NAME}, "valueMode", "send") ne "receive") {
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main::readingsSingleUpdate($hash,"value",$cmd, 1);
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}
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};
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return $@;
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}
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sub FRM_OUT_State($$$$)
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{
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my ($hash, $tim, $sname, $sval) = @_;
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STATEHANDLER: {
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$sname eq "value" and do {
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if (AttrVal($hash->{NAME},"restoreOnStartup", "on") eq "on") {
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FRM_OUT_Set($hash,$hash->{NAME},$sval);
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}
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last;
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}
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}
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}
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sub
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FRM_OUT_Attr($$$$) {
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my ($command,$name,$attribute,$value) = @_;
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my $hash = $main::defs{$name};
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eval {
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if ($command eq "set") {
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ARGUMENT_HANDLER: {
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$attribute eq "IODev" and do {
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if ($main::init_done and (!defined ($hash->{IODev}) or $hash->{IODev}->{NAME} ne $value)) {
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FRM_Client_AssignIOPort($hash,$value);
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FRM_Init_Client($hash) if (defined ($hash->{IODev}));
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}
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last;
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};
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$attribute eq "activeLow" and do {
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my $oldval = AttrVal($hash->{NAME},"activeLow", "no");
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if ($oldval ne $value) {
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# toggle output with attribute change
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$main::attr{$hash->{NAME}}{activeLow} = $value;
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if ($main::init_done) {
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my $value = ReadingsVal($name,"value",undef);
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FRM_OUT_Set($hash,$hash->{NAME},$value);
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}
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};
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last;
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};
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}
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}
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};
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if ($@) {
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$@ =~ /^(.*)( at.*FHEM.*)$/;
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$hash->{STATE} = "error setting $attribute to $value: ".$1;
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return "cannot $command attribute $attribute to $value for $name: ".$1;
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}
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}
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1;
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=pod
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CHANGES
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2016 jensb
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o new sub FRM_OUT_observer, modified sub FRM_OUT_Init
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to receive output state from Firmata device
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o support attribute "activeLow"
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01.01.2018 jensb
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o create reading "value" in FRM_OUT_Init if missing
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02.01.2018 jensb
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o new attribute "valueMode" to control how "value" reading is updated
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=cut
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=pod
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=item device
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=item summary Firmata: digital output
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=item summary_DE Firmata: digitaler Ausang
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=begin html
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<a name="FRM_OUT"></a>
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<h3>FRM_OUT</h3>
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<ul>
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represents a pin of an <a href="http://www.arduino.cc">Arduino</a> running <a href="http://www.firmata.org">Firmata</a>
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configured for digital output.<br>
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Requires a defined <a href="#FRM">FRM</a>-device to work.<br><br>
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<a name="FRM_OUTdefine"></a>
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<b>Define</b>
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<ul>
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<code>define <name> FRM_OUT <pin></code> <br>
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Defines the FRM_OUT device. <pin>> is the arduino-pin to use.
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</ul>
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<br>
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<a name="FRM_OUTset"></a>
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<b>Set</b><br>
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<ul>
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<code>set <name> on|off</code><br><br>
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</ul>
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<ul>
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<a href="#setExtensions">set extensions</a> are supported<br>
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</ul>
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<a name="FRM_OUTget"></a>
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<b>Get</b><br>
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<ul>
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N/A
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</ul><br>
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<a name="FRM_OUTattr"></a>
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<b>Attributes</b><br>
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<ul>
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<li>restoreOnStartup <on|off>, default: on<br>
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Set output value in Firmata device on FHEM startup (if device is already connected) and
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whenever the <em>setstate</em> command is used.
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</li>
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<li>restoreOnReconnect <on|off>, default: on<br>
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Set output value in Firmata device after IODev is initialized.
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</li>
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<li>activeLow <yes|no>, default: no</li>
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<li><a href="#IODev">IODev</a><br>
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Specify which <a href="#FRM">FRM</a> to use. (Optional, only required if there is more
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than one FRM-device defined.)
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</li>
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<li>valueMode <send|receive|bidirectional>, default: send<br>
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Define how the reading <em>value</em> is updated:<br>
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<ul>
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<li>send - after sending</li>
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<li>receive - after receiving</li>
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<li>bidirectional - after sending and receiving</li>
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</ul>
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If you have custom code in your Firmata device that can change the state of an output
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you can enable receive or bidirectional mode. For this to work the default Firmata application code must
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also be modified in function <em>setPinModeCallback</em>: add <ins>|| mode == OUTPUT</ins>
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to the if condition for <em>portConfigInputs[pin / 8] |= (1 << (pin & 7));</em> to enable
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reporting the output state as if the pin is an input.
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</li>
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<li><a href="#eventMap">eventMap</a><br></li>
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<li><a href="#readingFnAttributes">readingFnAttributes</a><br></li>
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</ul>
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</ul>
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<br>
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=end html
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=cut
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