148 lines
4.4 KiB
C++
148 lines
4.4 KiB
C++
//-----------------------------------------------------------------------------
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//
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// ValueDecimal.cpp
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//
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// Represents a value that may have a fractional component
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//
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// Copyright (c) 2010 Mal Lansell <openzwave@lansell.org>
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//
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// SOFTWARE NOTICE AND LICENSE
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//
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// This file is part of OpenZWave.
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//
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// OpenZWave is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation, either version 3 of the License,
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// or (at your option) any later version.
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//
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// OpenZWave 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with OpenZWave. If not, see <http://www.gnu.org/licenses/>.
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//
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//-----------------------------------------------------------------------------
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#include "../tinyxml.h"
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#include "ValueDecimal.h"
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#include "../Msg.h"
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#include "../platform/Log.h"
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#include "../Manager.h"
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#include <ctime>
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using namespace OpenZWave;
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//-----------------------------------------------------------------------------
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// <ValueDecimal::ValueDecimal>
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// Constructor
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//-----------------------------------------------------------------------------
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ValueDecimal::ValueDecimal
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(
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uint32 const _homeId,
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uint8 const _nodeId,
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ValueID::ValueGenre const _genre,
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uint8 const _commandClassId,
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uint8 const _instance,
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uint8 const _index,
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string const& _label,
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string const& _units,
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bool const _readOnly,
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bool const _writeOnly,
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string const& _value,
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uint8 const _pollIntensity
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):
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Value( _homeId, _nodeId, _genre, _commandClassId, _instance, _index, ValueID::ValueType_Decimal, _label, _units, _readOnly, _writeOnly, false, _pollIntensity ),
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m_value( _value ),
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m_valueCheck( "" ),
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m_newValue( "" ),
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m_precision( 0 )
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{
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}
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//-----------------------------------------------------------------------------
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// <ValueDecimal::ReadXML>
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// Apply settings from XML
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//-----------------------------------------------------------------------------
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void ValueDecimal::ReadXML
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(
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uint32 const _homeId,
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uint8 const _nodeId,
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uint8 const _commandClassId,
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TiXmlElement const* _valueElement
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)
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{
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Value::ReadXML( _homeId, _nodeId, _commandClassId, _valueElement );
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char const* str = _valueElement->Attribute( "value" );
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if( str )
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{
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m_value = str;
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}
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else
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{
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Log::Write( LogLevel_Info, "Missing default decimal value from xml configuration: node %d, class 0x%02x, instance %d, index %d", _nodeId, _commandClassId, GetID().GetInstance(), GetID().GetIndex() );
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}
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}
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//-----------------------------------------------------------------------------
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// <ValueDecimal::WriteXML>
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// Write ourselves to an XML document
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//-----------------------------------------------------------------------------
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void ValueDecimal::WriteXML
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(
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TiXmlElement* _valueElement
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)
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{
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Value::WriteXML( _valueElement );
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_valueElement->SetAttribute( "value", m_value.c_str() );
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}
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//-----------------------------------------------------------------------------
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// <ValueDecimal::Set>
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// Set a new value in the device
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//-----------------------------------------------------------------------------
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bool ValueDecimal::Set
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(
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string const& _value
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)
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{
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// create a temporary copy of this value to be submitted to the Set() call and set its value to the function param
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ValueDecimal* tempValue = new ValueDecimal( *this );
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tempValue->m_value = _value;
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// Set the value in the device.
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bool ret = ((Value*)tempValue)->Set();
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// clean up the temporary value
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delete tempValue;
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return ret;
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}
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//-----------------------------------------------------------------------------
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// <ValueDecimal::OnValueRefreshed>
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// A value in a device has been refreshed
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//-----------------------------------------------------------------------------
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void ValueDecimal::OnValueRefreshed
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(
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string const& _value
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)
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{
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switch( VerifyRefreshedValue( (void*) &m_value, (void*) &m_valueCheck, (void*) &_value, 1) )
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{
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case 0: // value hasn't changed, nothing to do
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break;
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case 1: // value has changed (not confirmed yet), save _value in m_valueCheck
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m_valueCheck = _value;
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break;
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case 2: // value has changed (confirmed), save _value in m_value
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m_value = _value;
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break;
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case 3: // all three values are different, so wait for next refresh to try again
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break;
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}
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}
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