133 lines
3.7 KiB
C++
133 lines
3.7 KiB
C++
/*
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* This program 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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* This program 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 Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*
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* SandNetPort.cpp
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* The SandNet plugin for ola
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* Copyright (C) 2005-2009 Simon Newton
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*/
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#include <algorithm>
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#include <sstream>
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#include <string>
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#include <vector>
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#include "ola/Closure.h"
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#include "ola/Logging.h"
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#include "olad/Universe.h"
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#include "plugins/sandnet/SandNetPort.h"
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#include "plugins/sandnet/SandNetDevice.h"
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#include "plugins/sandnet/SandNetCommon.h"
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namespace ola {
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namespace plugin {
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namespace sandnet {
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/*
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* We override the set universe method to update the universe -> port hash
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*/
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bool SandNetPortHelper::PreSetUniverse(Universe *old_universe,
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Universe *new_universe) {
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if (new_universe && !new_universe->UniverseId()) {
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OLA_WARN << "Can't use universe 0 with Sandnet!";
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return false;
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}
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(void) old_universe;
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return true;
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}
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string SandNetPortHelper::Description(const Universe *universe) const {
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std::stringstream str;
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if (universe) {
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str << "Sandnet group " << static_cast<int>(SandnetGroup(universe)) <<
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", universe " << 1 + SandnetUniverse(universe);
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}
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return str.str();
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}
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/*
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* Return the sandnet group that corresponds to a OLA Universe.
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* @param universe the OLA universe
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* @returns the sandnet group number
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*/
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uint8_t SandNetPortHelper::SandnetGroup(const Universe *universe) const {
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if (universe)
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return (uint8_t) ((universe->UniverseId() - 1) >> 8);
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return 0;
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}
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/*
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* Return the sandnet group that corresponds to a OLA Universe. Sandnet
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* Universes range from 0 to 255 (represented as 1 to 256 in the packets).
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* @param universe the OLA universe
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* @returns the sandnet universe number
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*/
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uint8_t SandNetPortHelper::SandnetUniverse(const Universe *universe) const {
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if (universe)
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return universe->UniverseId() - 1;
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return 0;
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}
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void SandNetInputPort::PostSetUniverse(Universe *old_universe,
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Universe *new_universe) {
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if (old_universe)
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m_node->RemoveHandler(m_helper.SandnetGroup(old_universe),
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m_helper.SandnetUniverse(old_universe));
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if (new_universe) {
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m_node->SetHandler(
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m_helper.SandnetGroup(new_universe),
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m_helper.SandnetUniverse(new_universe),
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&m_buffer,
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NewClosure<SandNetInputPort, void>(this,
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&SandNetInputPort::DmxChanged));
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}
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}
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/*
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* Write operation
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*/
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bool SandNetOutputPort::WriteDMX(const DmxBuffer &buffer,
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uint8_t priority) {
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(void) priority;
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if (!GetUniverse())
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return false;
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if (!m_node->SendDMX(PortId(), buffer))
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return false;
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return true;
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}
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void SandNetOutputPort::PostSetUniverse(Universe *old_universe,
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Universe *new_universe) {
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if (new_universe)
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m_node->SetPortParameters(PortId(),
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SandNetNode::SANDNET_PORT_MODE_IN,
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m_helper.SandnetGroup(new_universe),
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m_helper.SandnetUniverse(new_universe));
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(void) old_universe;
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}
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} // sandnet
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} // plugin
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} // ola
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