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1181 lines
40 KiB
Perl
1181 lines
40 KiB
Perl
########################################################################################
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#
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# OWAD.pm
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#
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# FHEM module to commmunicate with 1-Wire A/D converters DS2450
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#
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# Prof. Dr. Peter A. Henning, 2012
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#
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# $Id$
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#
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########################################################################################
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#
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# define <name> OWAD [<model>] <ROM_ID> [interval]
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#
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# where <name> may be replaced by any name string
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#
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# <model> is a 1-Wire device type. If omitted, we assume this to be an
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# DS2450 A/D converter
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# <ROM_ID> is a 12 character (6 byte) 1-Wire ROM ID
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# without Family ID, e.g. A2D90D000800
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# [interval] is an optional query interval in seconds
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#
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# get <name> id => FAM_ID.ROM_ID.CRC
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# get <name> present => 1 if device present, 0 if not
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# get <name> interval => query interval
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# get <name> reading => measurement for all channels
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# get <name> alarm => alarm measurement settings for all channels
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# get <name> status => alarm and i/o status for all channels
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#
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# set <name> interval => set period for measurement
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#
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# Additional attributes are defined in fhem.cfg, in some cases per channel, where <channel>=A,B,C,D
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# Note: attributes are read only during initialization procedure - later changes are not used.
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#
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# attr <name> stateAL0 "<string>" = character string for denoting low normal condition, default is empty
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# attr <name> stateAH0 "<string>" = character string for denoting high normal condition, default is empty
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# attr <name> stateAL1 "<string>" = character string for denoting low alarm condition, default is down triangle
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# attr <name> stateAH1 "<string>" = character string for denoting high alarm condition, default is up triangle
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# attr <name> <channel>Name <string>|<string> = name for the channel | a type description for the measured value
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# attr <name> <channel>Unit <string>|<string> = unit of measurement for this channel | its abbreviation
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#
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# ATTENTION: Usage of Offset/Factor is deprecated, replace by Function attribute
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# attr <name> <channel>Offset <float> = offset added to the reading in this channel
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# attr <name> <channel>Factor <float> = factor multiplied to (reading+offset) in this channel
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# attr <name> <channel>Function <string> = arbitrary functional expression involving the values V<channel>=VA,VB,VC,VD
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# VA is replaced by the measured voltage in channel A, etc.
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#
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# attr <name> <channel>Alarm <string> = alarm setting in this channel, either both, low, high or none (default)
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# attr <name> <channel>Low <float> = measurement value (on the scale determined by offset and factor) for low alarm
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# attr <name> <channel>High <float> = measurement value (on the scale determined by offset and factor) for high alarm
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#
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########################################################################################
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#
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# This programm 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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########################################################################################
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package main;
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use vars qw{%attr %defs};
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use strict;
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use warnings;
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sub Log($$);
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#-- value globals
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my @owg_status;
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my $owg_state;
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#-- channel name - fixed is the first array, variable the second
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my @owg_fixed = ("A","B","C","D");
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my @owg_channel;
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#-- channel values - always the raw values from the device
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my @owg_val=("","","","");
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#-- channel mode - fixed for now
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my @owg_mode = ("input","input","input","input");
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#-- resolution in bit - fixed for now
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my @owg_resoln = (16,16,16,16);
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#-- raw range in mV - fixed for now
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my @owg_range = (5100,5100,5100,5100);
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#-- alarm status 0 = disabled, 1 = enabled, but not alarmed, 2 = alarmed
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my @owg_slow=(0,0,0,0);
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my @owg_shigh=(0,0,0,0);
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#-- alarm values - always the raw values committed to the device
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my @owg_vlow;
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my @owg_vhigh;
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my %gets = (
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"id" => "",
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"present" => "",
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"interval" => "",
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"reading" => "",
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"alarm" => "",
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"status" => "",
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);
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my %sets = (
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"interval" => ""
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);
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my %updates = (
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"present" => "",
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"reading" => "",
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"alarm" => "",
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"status" => ""
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);
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########################################################################################
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#
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# The following subroutines are independent of the bus interface
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#
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# Prefix = OWAD
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#
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########################################################################################
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#
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# OWAD_Initialize
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#
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# Parameter hash = hash of device addressed
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#
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########################################################################################
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sub OWAD_Initialize ($) {
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my ($hash) = @_;
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$hash->{DefFn} = "OWAD_Define";
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$hash->{UndefFn} = "OWAD_Undef";
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$hash->{GetFn} = "OWAD_Get";
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$hash->{SetFn} = "OWAD_Set";
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#Name = channel name
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#Offset = a v(oltage) offset added to the reading
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#Factor = a v(oltage) factor multiplied with (reading+offset)
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#Unit = a unit of measure
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my $attlist = "IODev do_not_notify:0,1 showtime:0,1 model:DS2450 loglevel:0,1,2,3,4,5 ".
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"event-on-update-reading event-on-change-reading ".
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"stateAL0 stateAL1 stateAH0 stateAH1";
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for( my $i=0;$i<4;$i++ ){
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$attlist .= " ".$owg_fixed[$i]."Name";
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$attlist .= " ".$owg_fixed[$i]."Offset";
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$attlist .= " ".$owg_fixed[$i]."Factor";
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$attlist .= " ".$owg_fixed[$i]."Function";
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$attlist .= " ".$owg_fixed[$i]."Unit";
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$attlist .= " ".$owg_fixed[$i]."Alarm";
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$attlist .= " ".$owg_fixed[$i]."Low";
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$attlist .= " ".$owg_fixed[$i]."High";
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}
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$hash->{AttrList} = $attlist;
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}
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#########################################################################################
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#
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# OWAD_Define - Implements DefFn function
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#
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# Parameter hash = hash of device addressed, def = definition string
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#
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#########################################################################################
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sub OWAD_Define ($$) {
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my ($hash, $def) = @_;
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# define <name> OWAD [<model>] <id> [interval]
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# e.g.: define flow OWAD 525715020000 300
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my @a = split("[ \t][ \t]*", $def);
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my ($name,$model,$fam,$id,$crc,$interval,$scale,$ret);
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#-- default
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$name = $a[0];
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$interval = 300;
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$scale = "";
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$ret = "";
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#-- check syntax
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return "OWAD: Wrong syntax, must be define <name> OWAD [<model>] <id> [interval]"
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if(int(@a) < 2 || int(@a) > 5);
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#-- check if this is an old style definition, e.g. <model> is missing
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my $a2 = $a[2];
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my $a3 = defined($a[3]) ? $a[3] : "";
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if( $a2 =~ m/^[0-9|a-f|A-F]{12}$/ ) {
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$model = "DS2450";
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$id = $a[2];
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if(int(@a)>=4) { $interval = $a[3]; }
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} elsif( $a3 =~ m/^[0-9|a-f|A-F]{12}$/ ) {
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$model = $a[2];
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return "OWAD: Wrong 1-Wire device model $model"
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if( $model ne "DS2450");
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$id = $a[3];
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if(int(@a)>=5) { $interval = $a[4]; }
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} else {
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return "OWAD: $a[0] ID $a[2] invalid, specify a 12 digit value";
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}
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#-- 1-Wire ROM identifier in the form "FF.XXXXXXXXXXXX.YY"
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# determine CRC Code - only if this is a direct interface
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$crc = defined($hash->{IODev}->{INTERFACE}) ? sprintf("%02x",OWX_CRC("20.".$id."00")) : "00";
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#-- Define device internals
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$hash->{ROM_ID} = "20.".$id.$crc;
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$hash->{OW_ID} = $id;
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$hash->{OW_FAMILY} = "20";
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$hash->{PRESENT} = 0;
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$hash->{INTERVAL} = $interval;
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#-- Couple to I/O device
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AssignIoPort($hash);
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if( !defined($hash->{IODev}->{NAME}) | !defined($hash->{IODev}) | ($hash->{IODev}->{PRESENT} != 1) ){
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return "OWAD: Warning, no 1-Wire I/O device found for $name.";
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}
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$modules{OWAD}{defptr}{$id} = $hash;
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#--
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readingsSingleUpdate($hash,"state","defined",1);
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Log 3, "OWAD: Device $name defined.";
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#-- Initialization reading according to interface type
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my $interface= $hash->{IODev}->{TYPE};
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#-- Start timer for initialization in a few seconds
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InternalTimer(time()+10, "OWAD_InitializeDevice", $hash, 0);
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#-- Start timer for updates
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InternalTimer(time()+$hash->{INTERVAL}, "OWAD_GetValues", $hash, 0);
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return undef;
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}
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########################################################################################
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#
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# OWAD_InitializeDevice - delayed setting of initial readings and channel names
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#
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# Parameter hash = hash of device addressed
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#
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########################################################################################
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sub OWAD_InitializeDevice($) {
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my ($hash) = @_;
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my $name = $hash->{NAME};
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#-- Initial readings
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@owg_val = (""."".""."");
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@owg_slow = (""."".""."");
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@owg_shigh = (""."".""."");
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#-- Set channel names, channel units and alarm values
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for( my $i=0;$i<int(@owg_fixed);$i++) {
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#-- name
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my $cname = defined($attr{$name}{$owg_fixed[$i]."Name"}) ? $attr{$name}{$owg_fixed[$i]."Name"} : $owg_fixed[$i]."|voltage";
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my @cnama = split(/\|/,$cname);
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if( int(@cnama)!=2){
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Log 1, "OWAD: Incomplete channel name specification $cname. Better use $cname|<type of data>";
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push(@cnama,"unknown");
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}
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#-- unit
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my $unit = defined($attr{$name}{$owg_fixed[$i]."Unit"}) ? $attr{$name}{$owg_fixed[$i]."Unit"} : "Volt|V";
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my @unarr= split(/\|/,$unit);
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if( int(@unarr)!=2 ){
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Log 1, "OWAD: Incomplete channel unit specification $unit. Better use $unit|<abbreviation>";
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push(@unarr,"");
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}
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#-- put into readings
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$owg_channel[$i] = $cnama[0];
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$hash->{READINGS}{"$owg_channel[$i]"}{TYPE} = $cnama[1];
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$hash->{READINGS}{"$owg_channel[$i]"}{UNIT} = $unarr[0];
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$hash->{READINGS}{"$owg_channel[$i]"}{UNITABBR} = $unarr[1];
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#-- Initial readings
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my $alarm = defined($attr{$name}{$owg_fixed[$i]."Alarm"}) ? $attr{$name}{$owg_fixed[$i]."Alarm"} : "none";
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my $vlow = defined($attr{$name}{$owg_fixed[$i]."Low"}) ? $attr{$name}{$owg_fixed[$i]."Low"} : 0.0;
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my $vhigh = defined($attr{$name}{$owg_fixed[$i]."High"}) ? $attr{$name}{$owg_fixed[$i]."High"} : 5.0;
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if( $alarm eq "low" || $alarm eq "both" ){
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$owg_slow[$i]=1;
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}
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if( $alarm eq "high" || $alarm eq "both" ){
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$owg_shigh[$i]=1;
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};
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$owg_vlow[$i] = $vlow;
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$owg_vhigh[$i] = $vhigh;
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}
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#-- Initialize all the display stuff
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OWAD_FormatValues($hash);
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#-- set status according to interface type
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my $interface= $hash->{IODev}->{TYPE};
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#-- OWX interface
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if( !defined($interface) ){
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return "OWAD: Interface missing";
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} elsif( $interface eq "OWX" ){
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OWXAD_SetPage($hash,"alarm");
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OWXAD_SetPage($hash,"status");
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#-- OWFS interface
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#}elsif( $interface eq "OWFS" ){
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# $ret = OWFSAD_GetPage($hash,"reading");
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#-- Unknown interface
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}else{
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return "OWAD: InitializeDevice with wrong IODev type $interface";
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}
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}
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########################################################################################
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#
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# OWAD_FormatValues - put together various format strings
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#
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# Parameter hash = hash of device addressed, fs = format string
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#
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########################################################################################
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sub OWAD_FormatValues($) {
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my ($hash) = @_;
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my $name = $hash->{NAME};
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my ($offset,$factor,$vval,$vlow,$vhigh,$vfunc);
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my $vfuncall = "";
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my $svalue = "";
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#-- insert initial values
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for( my $k=0;$k<int(@owg_fixed);$k++ ){
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$vfuncall .= "\$owg_val[$k]=$owg_val[$k];";
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}
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my $galarm = 0;
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#-- alarm signatures
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my $stateal1 = defined($attr{$name}{stateAL1}) ? $attr{$name}{stateAL1} : "▾";
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my $stateah1 = defined($attr{$name}{stateAH1}) ? $attr{$name}{stateAH1} : "▴";
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my $stateal0 = defined($attr{$name}{stateAL0}) ? $attr{$name}{stateAL0} : "";
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my $stateah0 = defined($attr{$name}{stateAH0}) ? $attr{$name}{stateAH0} : "";
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#-- put into READINGS
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readingsBeginUpdate($hash);
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#-- formats for output
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for (my $i=0;$i<int(@owg_fixed);$i++){
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my $cname = defined($attr{$name}{$owg_fixed[$i]."Name"}) ? $attr{$name}{$owg_fixed[$i]."Name"} : $owg_fixed[$i]."|voltage";
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my @cnama = split(/\|/,$cname);
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$owg_channel[$i]=$cnama[0];
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#-- skip a few things when the values are undefined or zero
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if( !defined($owg_val[$i]) ){
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$svalue .= "$owg_channel[$i]: ???"
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}else{
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if( $owg_val[$i] eq "" ){
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$svalue .= "$owg_channel[$i]: ???"
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}else{
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#-- when offset and scale factor are defined, we cannot have a function and vice versa
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if( defined($attr{$name}{$owg_fixed[$i]."Offset"}) & defined($attr{$name}{$owg_fixed[$i]."Factor"}) ){
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my $offset = $attr{$name}{$owg_fixed[$i]."Offset"};
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my $factor = $attr{$name}{$owg_fixed[$i]."Factor"};
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$vfunc = "$factor*(V$owg_fixed[$i] + $offset)";
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#-- attribute VFunction defined
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} elsif (defined($attr{$name}{$owg_fixed[$i]."Function"})){
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$vfunc = $attr{$name}{$owg_fixed[$i]."Function"};
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} else {
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$vfunc = "V$owg_fixed[$i]";
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}
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$hash->{tempf}{"$owg_fixed[$i]"}{function} = $vfunc;
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#-- replace by proper values (VA -> $owg_val[0] etc.)
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for( my $k=0;$k<int(@owg_fixed);$k++ ){
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my $sstr = "V$owg_fixed[$k]";
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$vfunc =~ s/$sstr/\$owg_val[$k]/g;
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}
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#-- correct alarm values for proper offset, factor
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#$vlow = int(($owg_vlow[$i] + $offset)*$factor*1000)/1000;
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#$vhigh = int(($owg_vhigh[$i] + $offset)*$factor*1000)/1000;
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#-- determine the measured value from the function
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$vfunc = $vfuncall.$vfunc;
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#Log 1, "After completion vfunc= ".$vfunc;
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$vfunc = eval($vfunc);
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if( !$vfunc ){
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$vval = 0.0;
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} elsif( $vfunc ne "" ){
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$vval = int( $vfunc*1000 )/1000;
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}
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#Log 1," And finally after evaluation $vfunc";
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#-- string buildup for return value, STATE and alarm
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$svalue .= sprintf( "%s: %5.3f %s", $owg_channel[$i], $vval,$hash->{READINGS}{"$owg_channel[$i]"}{UNITABBR});
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#-- alarm
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my $alarm = defined($attr{$name}{$owg_fixed[$i]."Alarm"}) ? $attr{$name}{$owg_fixed[$i]."Alarm"} : "none";
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my $vlow = defined($attr{$name}{$owg_fixed[$i]."Low"}) ? $attr{$name}{$owg_fixed[$i]."Low"} : 0.0;
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my $vhigh = defined($attr{$name}{$owg_fixed[$i]."High"}) ? $attr{$name}{$owg_fixed[$i]."High"} : 5.0;
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if( $alarm eq "low" || $alarm eq "both" ){
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$owg_slow[$i]=1;
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}
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if( $alarm eq "high" || $alarm eq "both" ){
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$owg_shigh[$i]=1;
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};
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#-- this needs to be fixed => HOW ???
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$owg_vlow[$i] = $vlow;
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$owg_vhigh[$i] = $vhigh;
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#-- Test for alarm condition
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#-- alarm signature low
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if( $owg_slow[$i] == 0 ) {
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} else {
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if( $vval > $vlow ){
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$owg_slow[$i] = 1;
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$svalue .= $stateal0;
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} else {
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$galarm = 1;
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$owg_slow[$i] = 2;
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$svalue .= $stateal1;
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}
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}
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#-- alarm signature high
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if( $owg_shigh[$i] == 0 ) {
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} else {
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if( $vval < $vhigh ){
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$owg_shigh[$i] = 1;
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$svalue .= $stateah0;
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} else {
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$galarm = 1;
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$owg_shigh[$i] = 2;
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$svalue .= $stateah1;
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}
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}
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#-- put into READINGS
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readingsBulkUpdate($hash,"$owg_channel[$i]",$vval);
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readingsBulkUpdate($hash,"$owg_channel[$i]Low",$vlow);
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readingsBulkUpdate($hash,"$owg_channel[$i]High",$vhigh);
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}
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}
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#-- insert space
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if( $i<int(@owg_fixed)-1 ){
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$svalue .= " ";
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}
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}
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#-- STATE
|
|
readingsBulkUpdate($hash,"state",$svalue);
|
|
readingsEndUpdate($hash,1);
|
|
|
|
return $svalue;
|
|
}
|
|
|
|
########################################################################################
|
|
#
|
|
# OWAD_Get - Implements GetFn function
|
|
#
|
|
# Parameter hash = hash of device addressed, a = argument array
|
|
#
|
|
########################################################################################
|
|
|
|
sub OWAD_Get($@) {
|
|
my ($hash, @a) = @_;
|
|
|
|
my $reading = $a[1];
|
|
my $name = $hash->{NAME};
|
|
my $model = $hash->{OW_MODEL};
|
|
my $interface= $hash->{IODev}->{TYPE};
|
|
my ($value,$value2,$value3) = (undef,undef,undef);
|
|
my $ret = "";
|
|
my $offset;
|
|
my $factor;
|
|
|
|
#-- check syntax
|
|
return "OWAD: Get argument is missing @a"
|
|
if(int(@a) != 2);
|
|
|
|
#-- check argument
|
|
return "OWAD: Get with unknown argument $a[1], choose one of ".join(",", sort keys %gets)
|
|
if(!defined($gets{$a[1]}));
|
|
|
|
#-- get id
|
|
if($a[1] eq "id") {
|
|
$value = $hash->{ROM_ID};
|
|
return "$name.id => $value";
|
|
}
|
|
|
|
#-- get present
|
|
if($a[1] eq "present") {
|
|
#-- hash of the busmaster
|
|
my $master = $hash->{IODev};
|
|
$value = OWX_Verify($master,$hash->{ROM_ID});
|
|
$hash->{PRESENT} = $value;
|
|
return "$name.present => $value";
|
|
}
|
|
|
|
#-- get interval
|
|
if($a[1] eq "interval") {
|
|
$value = $hash->{INTERVAL};
|
|
return "$name.interval => $value";
|
|
}
|
|
|
|
#-- reset presence
|
|
$hash->{PRESENT} = 0;
|
|
|
|
#-- get reading according to interface type
|
|
if($a[1] eq "reading") {
|
|
#-- OWX interface
|
|
if( $interface eq "OWX" ){
|
|
$ret = OWXAD_GetPage($hash,"reading");
|
|
#-- OWFS interface
|
|
#}elsif( $interface eq "OWFS" ){
|
|
# $ret = OWFSAD_GetPage($hash,"reading");
|
|
#-- Unknown interface
|
|
}else{
|
|
return "OWAD: Get with wrong IODev type $interface";
|
|
}
|
|
|
|
#-- process results
|
|
if( defined($ret) ){
|
|
return "OWAD: Could not get values from device $name";
|
|
}
|
|
$hash->{PRESENT} = 1;
|
|
return "OWAD: $name.reading => ".OWAD_FormatValues($hash);
|
|
}
|
|
|
|
#-- get alarm values according to interface type
|
|
if($a[1] eq "alarm") {
|
|
#-- OWX interface
|
|
if( $interface eq "OWX" ){
|
|
$ret = OWXAD_GetPage($hash,"alarm");
|
|
#-- OWFS interface
|
|
#}elsif( $interface eq "OWFS" ){
|
|
# $ret = OWFSAD_GetPage($hash,"alarm");
|
|
#-- Unknown interface
|
|
}else{
|
|
return "OWAD: Get with wrong IODev type $interface";
|
|
}
|
|
|
|
#-- process results
|
|
if( defined($ret) ){
|
|
return "OWAD: Could not get values from device $name";
|
|
}
|
|
$hash->{PRESENT} = 1;
|
|
OWAD_FormatValues($hash);
|
|
|
|
#-- assemble ouput string
|
|
$value = "";
|
|
for (my $i=0;$i<int(@owg_fixed);$i++){
|
|
$value .= sprintf "%s:[%4.2f,%4.2f] ",$owg_channel[$i],
|
|
$hash->{READINGS}{$owg_channel[$i]."Low"}{VAL},
|
|
$hash->{READINGS}{$owg_channel[$i]."High"}{VAL};
|
|
}
|
|
return "OWAD: $name.alarm => $value";
|
|
}
|
|
|
|
#-- get status values according to interface type
|
|
if($a[1] eq "status") {
|
|
#-- OWX interface
|
|
if( $interface eq "OWX" ){
|
|
$ret = OWXAD_GetPage($hash,"status");
|
|
#-- OWFS interface
|
|
#}elsif( $interface eq "OWFS" ){
|
|
# $ret = OWFSAD_GetPage($hash,"status");
|
|
#-- Unknown interface
|
|
}else{
|
|
return "OWAD: Get with wrong IODev type $interface";
|
|
}
|
|
|
|
#-- process results
|
|
if( defined($ret) ){
|
|
return "OWAD: Could not get values from device $name";
|
|
}
|
|
$hash->{PRESENT} = 1;
|
|
OWAD_FormatValues($hash);
|
|
|
|
#-- assemble output string
|
|
$value = "";
|
|
for (my $i=0;$i<int(@owg_fixed);$i++){
|
|
$value .= $owg_channel[$i].": ".$owg_mode[$i].", ";
|
|
#$value .= "disabled ,"
|
|
# if ( !($sb2 && 128) );
|
|
$value .= sprintf "raw range %3.1f V, ",$owg_range[$i]/1000;
|
|
$value .= sprintf "resolution %d bit, ",$owg_resoln[$i];
|
|
$value .= sprintf "low alarm disabled, "
|
|
if( $owg_slow[$i]==0 );
|
|
$value .= sprintf "low alarm enabled, "
|
|
if( $owg_slow[$i]==1 );
|
|
$value .= sprintf "alarmed low, "
|
|
if( $owg_slow[$i]==2 );
|
|
$value .= sprintf "high alarm disabled"
|
|
if( $owg_shigh[$i]==0 );
|
|
$value .= sprintf "high alarm enabled"
|
|
if( $owg_shigh[$i]==1 );
|
|
$value .= sprintf "alarmed high"
|
|
if( $owg_shigh[$i]==2 );
|
|
#-- insert space
|
|
if( $i<int(@owg_fixed)-1 ){
|
|
$value .= "\n";
|
|
}
|
|
}
|
|
return "OWAD: $name.status => ".$value;
|
|
}
|
|
|
|
}
|
|
|
|
#######################################################################################
|
|
#
|
|
# OWAD_GetValues - Updates the reading from one device
|
|
#
|
|
# Parameter hash = hash of device addressed
|
|
#
|
|
########################################################################################
|
|
|
|
sub OWAD_GetValues($) {
|
|
my $hash = shift;
|
|
|
|
my $name = $hash->{NAME};
|
|
my $model = $hash->{OW_MODEL};
|
|
my $interface= $hash->{IODev}->{TYPE};
|
|
my $value = "";
|
|
my $ret = "";
|
|
my $offset;
|
|
my $factor;
|
|
|
|
#-- define warnings
|
|
my $warn = "none";
|
|
$hash->{ALARM} = "0";
|
|
|
|
#-- restart timer for updates
|
|
RemoveInternalTimer($hash);
|
|
InternalTimer(time()+$hash->{INTERVAL}, "OWAD_GetValues", $hash, 1);
|
|
|
|
#-- reset presence
|
|
$hash->{PRESENT} = 0;
|
|
|
|
#-- Get readings, alarms and stati according to interface type
|
|
if( $interface eq "OWX" ){
|
|
$ret = OWXAD_GetPage($hash,"reading");
|
|
$ret = OWXAD_GetPage($hash,"alarm");
|
|
$ret = OWXAD_GetPage($hash,"status");
|
|
#}elsif( $interface eq "OWFS" ){
|
|
# $ret = OWFSAD_GetValues($hash);
|
|
}else{
|
|
return "OWAD: GetValues with wrong IODev type $interface";
|
|
}
|
|
|
|
#-- process results
|
|
if( defined($ret) ){
|
|
return "OWAD: Could not get values from device $name, reason $ret";
|
|
}
|
|
$hash->{PRESENT} = 1;
|
|
|
|
$value=OWAD_FormatValues($hash);
|
|
Log 5, $value;
|
|
|
|
return undef;
|
|
}
|
|
|
|
#######################################################################################
|
|
#
|
|
# OWAD_Set - Set one value for device
|
|
#
|
|
# Parameter hash = hash of device addressed
|
|
# a = argument array
|
|
#
|
|
########################################################################################
|
|
|
|
sub OWAD_Set($@) {
|
|
my ($hash, @a) = @_;
|
|
|
|
my $key = $a[1];
|
|
my $value = $a[2];
|
|
|
|
#-- for the selector: which values are possible
|
|
if (@a == 2){
|
|
my $newkeys = join(" ", sort keys %sets);
|
|
for( my $i=0;$i<int(@owg_fixed);$i++ ){
|
|
$newkeys .= " ".$owg_channel[$i]."Alarm";
|
|
$newkeys .= " ".$owg_channel[$i]."Low";
|
|
$newkeys .= " ".$owg_channel[$i]."High";
|
|
}
|
|
return $newkeys ;
|
|
}
|
|
|
|
#-- check syntax
|
|
return "OWAD: Set needs one parameter when setting this value"
|
|
if( int(@a)!=3 );
|
|
|
|
#-- check argument
|
|
if( !defined($sets{$a[1]}) && !($key =~ m/.*(Alarm|Low|High)/) ){
|
|
return "OWAD: Set with unknown argument $a[1]";
|
|
}
|
|
|
|
#-- define vars
|
|
my $ret = undef;
|
|
my $channel = undef;
|
|
my $channo = undef;
|
|
my $factor;
|
|
my $offset;
|
|
my $condx;
|
|
my $name = $hash->{NAME};
|
|
my $model = $hash->{OW_MODEL};
|
|
|
|
#-- set new timer interval
|
|
if($key eq "interval") {
|
|
# check value
|
|
return "OWAD: Set with short interval, must be > 1"
|
|
if(int($value) < 1);
|
|
# update timer
|
|
$hash->{INTERVAL} = $value;
|
|
RemoveInternalTimer($hash);
|
|
InternalTimer(gettimeofday()+$hash->{INTERVAL}, "OWAD_GetValues", $hash, 1);
|
|
return undef;
|
|
}
|
|
|
|
#-- find out which channel we have
|
|
my $tc =$key;
|
|
if( $tc =~ s/(.*)(Alarm|Low|High)/$channel=$1/se ) {
|
|
for (my $i=0;$i<int(@owg_fixed);$i++){
|
|
if( $tc eq $owg_channel[$i] ){
|
|
$channo = $i;
|
|
$channel = $tc;
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
return "OWAD: Cannot determine channel from parameter $a[1]"
|
|
if( !(defined($channo)));
|
|
|
|
#-- set these values depending on interface type
|
|
my $interface= $hash->{IODev}->{TYPE};
|
|
|
|
#-- check alarm values
|
|
if( $key =~ m/(.*)(Alarm)/ ) {
|
|
return "OWAD: Set with wrong value $value for $key, allowed is none/low/high/both"
|
|
if($value ne "none" && $value ne "low" && $value ne "high" && $value ne "both");
|
|
if( $value eq "low" || $value eq "both" ){
|
|
$owg_slow[$channo]=1;
|
|
} else{
|
|
$owg_slow[$channo]=0;
|
|
}
|
|
if( $value eq "high" || $value eq "both" ){
|
|
$owg_shigh[$channo]=1;
|
|
} else{
|
|
$owg_shigh[$channo]=0;
|
|
}
|
|
|
|
#-- OWX interface
|
|
if( $interface eq "OWX" ){
|
|
$ret = OWXAD_SetPage($hash,"status");
|
|
return $ret
|
|
if(defined($ret));
|
|
#-- OWFS interface
|
|
#}elsif( $interface eq "OWFS" ){
|
|
# $ret = OWFSAD_SetValues($hash,@a);
|
|
# return $ret
|
|
# if(defined($ret));
|
|
} else {
|
|
return "OWAD: Set with wrong IODev type $interface";
|
|
}
|
|
}elsif( $key =~ m/(.*)(Low|High)/ ) {
|
|
#$offset = $attr{$name}{$owg_fixed[$channo]."Offset"};
|
|
#$factor = $attr{$name}{$owg_fixed[$channo]."Factor"};
|
|
|
|
#-- find upper and lower boundaries for given offset/factor
|
|
my $mmin = 0.0;
|
|
|
|
#$mmin += $offset if ( $offset );
|
|
#$mmin *= $factor if ( $factor );
|
|
|
|
my $mmax = $owg_range[$channo]/1000;
|
|
#$mmax += $offset if ( $offset );
|
|
#$mmax *= $factor if ( $factor );
|
|
|
|
return sprintf("OWAD: Set with wrong value $value for $key, range is [%3.1f,%3.1f]",$mmin,$mmax)
|
|
if($value < $mmin || $value > $mmax);
|
|
|
|
#$value /= $factor if ( $factor );
|
|
#$value -= $offset if ( $offset );
|
|
#-- round to those numbers understood by the device
|
|
my $value2 = int($value*255000/$owg_range[$channo])*$owg_range[$channo]/255000;
|
|
|
|
#-- set alarm value in the device
|
|
if( $key =~ m/(.*)Low/ ){
|
|
$owg_vlow[$channo] = $value2;
|
|
} elsif( $key =~ m/(.*)High/ ){
|
|
$owg_vhigh[$channo] = $value2;
|
|
}
|
|
|
|
#-- OWX interface
|
|
if( $interface eq "OWX" ){
|
|
$ret = OWXAD_SetPage($hash,"alarm");
|
|
return $ret
|
|
if(defined($ret));
|
|
#-- OWFS interface
|
|
#}elsif( $interface eq "OWFS" ){
|
|
# $ret = OWFSAD_SetValues($hash,@a);
|
|
# return $ret
|
|
# if(defined($ret));
|
|
} else {
|
|
return "OWAD: Set with wrong IODev type $interface";
|
|
}
|
|
}
|
|
|
|
#-- process results - we have to reread the device
|
|
$hash->{PRESENT} = 1;
|
|
OWAD_GetValues($hash);
|
|
OWAD_FormatValues($hash);
|
|
Log 4, "OWAD: Set $hash->{NAME} $key $value";
|
|
|
|
return undef;
|
|
}
|
|
|
|
########################################################################################
|
|
#
|
|
# OWAD_Undef - Implements UndefFn function
|
|
#
|
|
# Parameter hash = hash of device addressed
|
|
#
|
|
########################################################################################
|
|
|
|
sub OWAD_Undef ($) {
|
|
my ($hash) = @_;
|
|
delete($modules{OWAD}{defptr}{$hash->{OW_ID}});
|
|
RemoveInternalTimer($hash);
|
|
return undef;
|
|
}
|
|
|
|
########################################################################################
|
|
#
|
|
# The following subroutines in alphabetical order are only for a 1-Wire bus connected
|
|
# via OWFS
|
|
#
|
|
# Prefix = OWFSAD
|
|
#
|
|
########################################################################################
|
|
|
|
|
|
|
|
|
|
|
|
########################################################################################
|
|
#
|
|
# The following subroutines in alphabetical order are only for a 1-Wire bus connected
|
|
# directly to the FHEM server
|
|
#
|
|
# Prefix = OWXAD
|
|
#
|
|
########################################################################################
|
|
#
|
|
# OWXAD_GetPage - Get one memory page from device
|
|
#
|
|
# Parameter hash = hash of device addressed
|
|
# page = "reading", "alarm" or "status"
|
|
#
|
|
########################################################################################
|
|
|
|
sub OWXAD_GetPage($$) {
|
|
|
|
my ($hash,$page) = @_;
|
|
|
|
my ($select, $res, $res2, $res3, @data);
|
|
|
|
#-- ID of the device, hash of the busmaster
|
|
my $owx_dev = $hash->{ROM_ID};
|
|
my $master = $hash->{IODev};
|
|
|
|
my ($i,$j,$k);
|
|
|
|
#=============== get the voltage reading ===============================
|
|
if( $page eq "reading") {
|
|
OWX_Reset($master);
|
|
#-- issue the match ROM command \x55 and the start conversion command
|
|
$res= OWX_Complex($master,$owx_dev,"\x3C\x0F\x00\xFF\xFF",0);
|
|
if( $res eq 0 ){
|
|
return "not accessible for conversion";
|
|
}
|
|
#-- conversion needs some 5 ms per channel
|
|
select(undef,undef,undef,0.02);
|
|
|
|
#-- issue the match ROM command \x55 and the read conversion page command
|
|
# \xAA\x00\x00
|
|
$select="\xAA\x00\x00";
|
|
#=============== get the alarm reading ===============================
|
|
} elsif ( $page eq "alarm" ) {
|
|
#-- issue the match ROM command \x55 and the read alarm page command
|
|
# \xAA\x10\x00
|
|
$select="\xAA\x10\x00";
|
|
#=============== get the status reading ===============================
|
|
} elsif ( $page eq "status" ) {
|
|
#-- issue the match ROM command \x55 and the read status memory page command
|
|
# \xAA\x08\x00 r
|
|
$select="\xAA\x08\x00";
|
|
#=============== wrong value requested ===============================
|
|
} else {
|
|
return "wrong memory page requested";
|
|
}
|
|
|
|
#-- reset the bus
|
|
OWX_Reset($master);
|
|
#-- reading 9 + 3 + 8 data bytes and 2 CRC bytes = 22 bytes
|
|
$res=OWX_Complex($master,$owx_dev,$select,10);
|
|
if( $res eq 0 ){
|
|
return "not accessible in reading $page page";
|
|
}
|
|
|
|
#-- reset the bus
|
|
OWX_Reset($master);
|
|
|
|
#-- process results
|
|
@data=split(//,substr($res,9));
|
|
return "invalid data length, ".int(@data)." instead of 13 bytes"
|
|
if (@data != 13);
|
|
#return "invalid data"
|
|
# if (ord($data[17])<=0);
|
|
return "invalid CRC"
|
|
if (OWX_CRC16(substr($res,9,11),$data[11],$data[12])==0);
|
|
|
|
#=============== get the voltage reading ===============================
|
|
if( $page eq "reading"){
|
|
for( $i=0;$i<int(@owg_fixed);$i++){
|
|
$owg_val[$i]= int((ord($data[3+2*$i])+256*ord($data[4+2*$i]))/((1<<$owg_resoln[$i])-1) * $owg_range[$i])/1000;
|
|
}
|
|
#=============== get the alarm reading ===============================
|
|
} elsif ( $page eq "alarm" ) {
|
|
for( $i=0;$i<int(@owg_fixed);$i++){
|
|
$owg_vlow[$i] = int(ord($data[3+2*$i])/255 * $owg_range[$i])/1000;
|
|
$owg_vhigh[$i] = int(ord($data[4+2*$i])/255 * $owg_range[$i])/1000;
|
|
}
|
|
#=============== get the status reading ===============================
|
|
} elsif ( $page eq "status" ) {
|
|
my ($sb1,$sb2);
|
|
for( $i=0;$i<int(@owg_fixed);$i++){
|
|
$sb1 = ord($data[3+2*$i]);
|
|
$sb2 = ord($data[3+2*$i+1]);
|
|
|
|
#-- normal operation
|
|
if( $sb1 && 128) {
|
|
#-- put into globals
|
|
$owg_mode[$i] = "input";
|
|
$owg_resoln[$i] = ($sb1 & 15) + 1 ;
|
|
$owg_range[$i] = ($sb2 & 1) ? 5100 : 2550;
|
|
#-- low alarm disabled
|
|
if( ($sb2 & 4)==0 ){
|
|
$owg_slow[$i] = 0;
|
|
}else {
|
|
#-- low alarm enabled and not set
|
|
if ( ($sb2 & 16)==0 ){
|
|
$owg_slow[$i] = 1;
|
|
#-- low alarm enabled and set
|
|
}else{
|
|
$owg_slow[$i] = 2;
|
|
}
|
|
}
|
|
#-- high alarm disabled
|
|
if( ($sb2 & 8)==0 ){
|
|
$owg_shigh[$i] = 0;
|
|
}else {
|
|
#-- high alarm enabled and not set
|
|
if ( ($sb2 & 32)==0 ){
|
|
$owg_shigh[$i] = 1;
|
|
#-- high alarm enabled and set
|
|
}else{
|
|
$owg_shigh[$i] = 2;
|
|
}
|
|
}
|
|
#-- output operation
|
|
} else {
|
|
$owg_mode[$i] = "output";
|
|
#-- assemble status string
|
|
$owg_status[$i] = $owg_mode[$i].", ";
|
|
$owg_status[$i] .= ($sb1 & 64 ) ? "ON" : "OFF";
|
|
}
|
|
}
|
|
}
|
|
return undef
|
|
}
|
|
|
|
########################################################################################
|
|
#
|
|
# OWXAD_SetPage - Set one page of device
|
|
#
|
|
# Parameter hash = hash of device addressed
|
|
# page = "alarm" or "status"
|
|
#
|
|
########################################################################################
|
|
|
|
sub OWXAD_SetPage($$) {
|
|
|
|
my ($hash,$page) = @_;
|
|
|
|
my ($select, $res, $res2, $res3, @data);
|
|
|
|
#-- ID of the device, hash of the busmaster
|
|
my $owx_dev = $hash->{ROM_ID};
|
|
my $master = $hash->{IODev};
|
|
|
|
my ($i,$j,$k);
|
|
|
|
#=============== set the alarm values ===============================
|
|
if ( $page eq "alarm" ) {
|
|
#-- issue the match ROM command \x55 and the set alarm page command
|
|
# \x55\x10\x00 reading 8 data bytes and 2 CRC bytes
|
|
$select="\x55\x10\x00";
|
|
for( $i=0;$i<int(@owg_fixed);$i++){
|
|
$select .= sprintf "%c\xFF\xFF\xFF",int($owg_vlow[$i]*255000/$owg_range[$i]);
|
|
$select .= sprintf "%c\xFF\xFF\xFF",int($owg_vhigh[$i]*255000/$owg_range[$i]);
|
|
}
|
|
#=============== set the status ===============================
|
|
} elsif ( $page eq "status" ) {
|
|
my ($sb1,$sb2)=(0,0);
|
|
#-- issue the match ROM command \x55 and the set status memory page command
|
|
# \x55\x08\x00 reading 8 data bytes and 2 CRC bytes
|
|
$select="\x55\x08\x00";
|
|
for( $i=0;$i<4;$i++){
|
|
if( $owg_mode[$i] eq "input" ){
|
|
#-- resolution (TODO: check !)
|
|
$sb1 = $owg_resoln[$i]-1;
|
|
#-- alarm enabled
|
|
if( defined($owg_slow[$i]) ){
|
|
$sb2 = ( $owg_slow[$i] ne 0 ) ? 4 : 0;
|
|
}
|
|
if( defined($owg_shigh[$i]) ){
|
|
$sb2 += ( $owg_shigh[$i] ne 0 ) ? 8 : 0;
|
|
}
|
|
#-- range
|
|
$sb2 |= 1
|
|
if( $owg_range[$i] > 2550 );
|
|
} else {
|
|
$sb1 = 128;
|
|
$sb2 = 0;
|
|
}
|
|
$select .= sprintf "%c\xFF\xFF\xFF",$sb1;
|
|
$select .= sprintf "%c\xFF\xFF\xFF",$sb2;
|
|
}
|
|
#=============== wrong page write attempt ===============================
|
|
} else {
|
|
return "OWXAD: Wrong memory page write attempt";
|
|
}
|
|
|
|
OWX_Reset($master);
|
|
$res=OWX_Complex($master,$owx_dev,$select,0);
|
|
|
|
#-- process results
|
|
if( $res eq 0 ){
|
|
return "OWXAD: Device $owx_dev not accessible for writing";
|
|
}
|
|
|
|
return undef;
|
|
}
|
|
|
|
1;
|
|
|
|
=pod
|
|
=begin html
|
|
<h3>OWAD</h3>
|
|
<p>FHEM module to commmunicate with 1-Wire A/D converters<br /><br /> Note:<br /> This
|
|
1-Wire module so far works only with the OWX interface module. Please define an <a
|
|
href="#OWX">OWX</a> device first. <br /></p>
|
|
<br /><h4>Example</h4>
|
|
<p>
|
|
<code>define OWX_AD OWAD 724610000000 45</code>
|
|
<br />
|
|
<code>attr OWX_AD DAlarm high</code>
|
|
<br />
|
|
<code>attr OWX_AD DFactor 31.907097</code>
|
|
<br />
|
|
<code>attr OWX_AD DHigh 50.0</code>
|
|
<br />
|
|
<code>attr OWX_AD DName RelHumidity|humidity</code>
|
|
<br />
|
|
<code>attr OWX_AD DOffset -0.8088</code>
|
|
<br />
|
|
<code>attr OWX_AD DUnit percent|%</code>
|
|
<br />
|
|
</p><br />
|
|
<a name="OWADdefine"></a>
|
|
<h4>Define</h4>
|
|
<p>
|
|
<code>define <name> OWAD [<model>] <id> [<interval>]</code>
|
|
<br /><br /> Define a 1-Wire A/D converter.<br /><br /></p>
|
|
<ul>
|
|
<li>
|
|
<code>[<model>]</code><br /> Defines the A/D converter model (and thus 1-Wire
|
|
family id), currently the following values are permitted: <ul>
|
|
<li>model DS2450 with family id 20 (default if the model parameter is
|
|
omitted)</li>
|
|
</ul>
|
|
</li>
|
|
<li>
|
|
<code><id></code>
|
|
<br />12-character unique ROM id of the converter device without family id and CRC
|
|
code </li>
|
|
<li>
|
|
<code><interval></code>
|
|
<br />Measurement interval in seconds. The default is 300 seconds. </li>
|
|
</ul>
|
|
<br />
|
|
<a name="OWADset"></a>
|
|
<h4>Set</h4>
|
|
<ul>
|
|
<li><a name="owad_interval">
|
|
<code>set <name> interval <int></code></a><br /> Measurement
|
|
interval in seconds. The default is 300 seconds. </li>
|
|
</ul>
|
|
<br />
|
|
<a name="OWADget"></a>
|
|
<h4>Get</h4>
|
|
<ul>
|
|
<li><a name="owad_id">
|
|
<code>get <name> id</code></a>
|
|
<br /> Returns the full 1-Wire device id OW_FAMILY.ROM_ID.CRC </li>
|
|
<li><a name="owad_present">
|
|
<code>get <name> present</code>
|
|
</a>
|
|
<br /> Returns 1 if this 1-Wire device is present, otherwise 0. </li>
|
|
<li><a name="owad_interval2">
|
|
<code>get <name> interval</code></a><br />Returns measurement interval in
|
|
seconds. </li>
|
|
<li><a name="owad_reading">
|
|
<code>get <name> reading</code></a><br />Obtain the measuement values. </li>
|
|
<li><a name="owad_alarm">
|
|
<code>get <name> alarm</code></a><br />Obtain the alarm values. </li>
|
|
<li><a name="owad_status">
|
|
<code>get <name> status</code></a><br />Obtain the i/o status values.
|
|
</li>
|
|
</ul>
|
|
<br />
|
|
<a name="OWADattr"></a>
|
|
<h4>Attributes</h4>
|
|
<ul>
|
|
<li><a name="owad_stateAL0"><code>attr <name> stateAL0 <string></code></a>
|
|
<br />character string for denoting low normal condition, default is empty </li>
|
|
<li><a name="owad_stateAH0"><code>attr <name> stateAH0 <string></code></a>
|
|
<br />character string for denoting high normal condition, default is empty </li>
|
|
<li><a name="owad_stateAL1"><code>attr <name> stateAL1 <string></code></a>
|
|
<br />character string for denoting low alarm condition, default is down triangle,
|
|
e.g. the code &#x25BE; leading to the sign ▾</li>
|
|
<li><a name="owad_stateAH1"><code>attr <name> stateAH1 <string></code></a>
|
|
<br />character string for denoting high alarm condition, default is upward
|
|
triangle, e.g. the code &#x25B4; leading to the sign ▴ </li>
|
|
</ul> For each of the following attributes, the channel identification A,B,C,D may be used. <ul>
|
|
<li><a name="owad_cname"><code>attr <name> <channel>Name
|
|
<string>|<string></code></a>
|
|
<br />name for the channel | a type description for the measured value. </li>
|
|
<li><a name="owad_cunit"><code>attr <name> <channel>Unit
|
|
<string>|<string></code></a>
|
|
<br />unit of measurement for this channel | its abbreviation. </li>
|
|
<li><a name="owad_coffset"><b>deprecated</b>: <code>attr <name> <channel>Offset
|
|
<float></code></a>
|
|
<br />offset added to the reading in this channel. </li>
|
|
<li><a name="owad_cfactor"><b>deprecated</b>: <code>attr <name> <channel>Factor
|
|
<float></code></a>
|
|
<br />factor multiplied to (reading+offset) in this channel. </li>
|
|
<li><a name="owad_cfunction"> <code>attr <name> <channel>Function
|
|
<string></code></a>
|
|
<br />arbitrary functional expression involving the values VA,VB,VC,VD. VA is replaced by
|
|
the measured voltage in channel A, etc. This attribute allows linearization of measurement
|
|
curves as well as the mixing of various channels. <b>Replacement for Offset/Factor !</b>
|
|
<li><a name="owad_calarm"><code>attr <name> <channel>Alarm
|
|
<string></code></a>
|
|
<br />alarm setting in this channel, either both, low, high or none (default). </li>
|
|
<li><a name="owad_clow"><code>attr <name> <channel>Low
|
|
<float></code></a>
|
|
<br />measurement value (on the scale determined by offset and factor) for low
|
|
alarm. </li>
|
|
<li><a name="owad_chigh"><code>attr <name> <channel>High
|
|
<float></code></a>
|
|
<br />measurement value (on the scale determined by offset and factor) for high
|
|
alarm. </li>
|
|
<li>Standard attributes <a href="#alias">alias</a>, <a href="#comment">comment</a>, <a
|
|
href="#event-on-update-reading">event-on-update-reading</a>, <a
|
|
href="#event-on-change-reading">event-on-change-reading</a>, <a href="#room"
|
|
>room</a>, <a href="#eventMap">eventMap</a>, <a href="#loglevel">loglevel</a>,
|
|
<a href="#webCmd">webCmd</a></li>
|
|
</ul>
|
|
=end html
|
|
=cut
|