104 Zeilen
3.0 KiB
C++
104 Zeilen
3.0 KiB
C++
/**
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* server/src/hardware/output/outputcontroller.cpp
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*
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* This file is part of the traintastic source code.
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*
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* Copyright (C) 2021 Reinder Feenstra
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "outputcontroller.hpp"
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#include "output.hpp"
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#include "keyboard/outputkeyboard.hpp"
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#include "../../utils/inrange.hpp"
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bool OutputController::isOutputAddressAvailable(uint32_t address) const
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{
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return
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inRange(address, outputAddressMinMax()) &&
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m_outputs.find(address) == m_outputs.end();
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}
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uint32_t OutputController::getUnusedOutputAddress() const
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{
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const auto end = m_outputs.cend();
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const auto range = outputAddressMinMax();
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for(uint32_t address = range.first; address < range.second; address++)
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if(m_outputs.find(address) == end)
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return address;
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return Output::invalidAddress;
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}
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bool OutputController::changeOutputAddress(Output& output, uint32_t newAddress)
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{
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assert(output.interface.value().get() == this);
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if(!isOutputAddressAvailable(newAddress))
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return false;
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auto node = m_outputs.extract(output.address); // old address
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node.key() = newAddress;
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m_outputs.insert(std::move(node));
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output.value.setValueInternal(TriState::Undefined);
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return true;
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}
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bool OutputController::addOutput(Output& output)
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{
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if(isOutputAddressAvailable(output.address))
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{
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m_outputs.insert({output.address, output.shared_ptr<Output>()});
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output.value.setValueInternal(TriState::Undefined);
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return true;
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}
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else
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return false;
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}
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bool OutputController::removeOutput(Output& output)
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{
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assert(output.interface.value().get() == this);
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auto it = m_outputs.find(output.address);
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if(it != m_outputs.end() && it->second.get() == &output)
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{
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m_outputs.erase(it);
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output.value.setValueInternal(TriState::Undefined);
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return true;
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}
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else
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return false;
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}
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void OutputController::updateOutputValue(uint32_t address, TriState value)
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{
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if(auto it = m_outputs.find(address); it != m_outputs.end())
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it->second->updateValue(value);
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if(auto keyboard = m_outputKeyboard.lock())
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keyboard->outputValueChanged(*keyboard, address, value);
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}
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std::shared_ptr<OutputKeyboard> OutputController::outputKeyboard()
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{
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auto keyboard = m_outputKeyboard.lock();
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if(!keyboard)
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{
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keyboard = std::make_shared<OutputKeyboard>(*this);
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m_outputKeyboard = keyboard;
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}
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return keyboard;
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}
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