syndilights/open-lighting-architecture/ola-0.8.4/plugins/sandnet/SandNetPort.cpp

133 lines
3.7 KiB
C++

/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*
* SandNetPort.cpp
* The SandNet plugin for ola
* Copyright (C) 2005-2009 Simon Newton
*/
#include <algorithm>
#include <sstream>
#include <string>
#include <vector>
#include "ola/Closure.h"
#include "ola/Logging.h"
#include "olad/Universe.h"
#include "plugins/sandnet/SandNetPort.h"
#include "plugins/sandnet/SandNetDevice.h"
#include "plugins/sandnet/SandNetCommon.h"
namespace ola {
namespace plugin {
namespace sandnet {
/*
* We override the set universe method to update the universe -> port hash
*/
bool SandNetPortHelper::PreSetUniverse(Universe *old_universe,
Universe *new_universe) {
if (new_universe && !new_universe->UniverseId()) {
OLA_WARN << "Can't use universe 0 with Sandnet!";
return false;
}
(void) old_universe;
return true;
}
string SandNetPortHelper::Description(const Universe *universe) const {
std::stringstream str;
if (universe) {
str << "Sandnet group " << static_cast<int>(SandnetGroup(universe)) <<
", universe " << 1 + SandnetUniverse(universe);
}
return str.str();
}
/*
* Return the sandnet group that corresponds to a OLA Universe.
* @param universe the OLA universe
* @returns the sandnet group number
*/
uint8_t SandNetPortHelper::SandnetGroup(const Universe *universe) const {
if (universe)
return (uint8_t) ((universe->UniverseId() - 1) >> 8);
return 0;
}
/*
* Return the sandnet group that corresponds to a OLA Universe. Sandnet
* Universes range from 0 to 255 (represented as 1 to 256 in the packets).
* @param universe the OLA universe
* @returns the sandnet universe number
*/
uint8_t SandNetPortHelper::SandnetUniverse(const Universe *universe) const {
if (universe)
return universe->UniverseId() - 1;
return 0;
}
void SandNetInputPort::PostSetUniverse(Universe *old_universe,
Universe *new_universe) {
if (old_universe)
m_node->RemoveHandler(m_helper.SandnetGroup(old_universe),
m_helper.SandnetUniverse(old_universe));
if (new_universe) {
m_node->SetHandler(
m_helper.SandnetGroup(new_universe),
m_helper.SandnetUniverse(new_universe),
&m_buffer,
NewClosure<SandNetInputPort, void>(this,
&SandNetInputPort::DmxChanged));
}
}
/*
* Write operation
*/
bool SandNetOutputPort::WriteDMX(const DmxBuffer &buffer,
uint8_t priority) {
(void) priority;
if (!GetUniverse())
return false;
if (!m_node->SendDMX(PortId(), buffer))
return false;
return true;
}
void SandNetOutputPort::PostSetUniverse(Universe *old_universe,
Universe *new_universe) {
if (new_universe)
m_node->SetPortParameters(PortId(),
SandNetNode::SANDNET_PORT_MODE_IN,
m_helper.SandnetGroup(new_universe),
m_helper.SandnetUniverse(new_universe));
(void) old_universe;
}
} // sandnet
} // plugin
} // ola