Mux.hpp

/*
 * Copyright 2017 ONERA
 *
 * This file is part of the MAUVE Base Components project.
 *
 * MAUVE Base Components is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3 as
 * published by the Free Software Foundation.
 *
 * MAUVE Base Components 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with MAUVE.  If not, see <https://www.gnu.org/licenses/lgpl-3.0>.
 */
#ifndef MAUVE_BASE_MUX_HPP
#define MAUVE_BASE_MUX_HPP

#include <array>

#include <mauve/runtime.hpp>

namespace mauve {
  namespace base {

template <typename T, int N>
struct MuxReadPortShell : public runtime::Shell {
  runtime::Property<int> & select = mk_property("select", 1);
  std::array< runtime::ReadPort<T>*, N> read_ports;
  MuxReadPortShell();
};

template < typename T, int N >
struct MuxReadPortCore : public runtime::Core< MuxReadPortShell<T, N> > {
  T read();
};

template < typename T, int N >
struct MuxReadPortInterface : public runtime::Interface< MuxReadPortShell<T, N>,
  MuxReadPortCore<T, N> >
{
  using CORE = MuxReadPortCore<T, N>;
  runtime::ReadService<T> & read = this->template mk_read_service<T>("read", &CORE::read);
};

template <typename T, int N>
using MuxReadPort = runtime::Resource< MuxReadPortShell<T, N>,
  MuxReadPortCore<T, N>, MuxReadPortInterface<T, N> >;

template <typename T, int N>
struct MuxWriteServiceShell : public runtime::Shell {
  runtime::Property<int> & select = this->mk_property("select", 1);
  runtime::WritePort<T> & write = mk_port< runtime::WritePort<T> >("write");
};

template < typename T, int N >
struct MuxWriteServiceCore : public runtime::Core< MuxWriteServiceShell<T, N> >
{
  void write(T value, int index) {
    if (this->shell().select.get() == index)
      this->shell().write.write(value);
  };
};

template < typename T, int N >
struct MuxWriteServiceInterface : public runtime::Interface<
  MuxWriteServiceShell<T, N>,
  MuxWriteServiceCore<T, N> >
{
  std::array< runtime::WriteService<T>*, N > write_services;
  MuxWriteServiceInterface();
};

template <typename T, int N>
using MuxWriteService = runtime::Resource< MuxWriteServiceShell<T, N>,
  MuxWriteServiceCore<T, N>, MuxWriteServiceInterface<T, N> >;

  }
}

#include "ipp/Mux.ipp"

#endif // MAUVE_BASE_MUX_HPP