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//
// serial_port_base.hpp
// ~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2010 Christopher M. Kohlhoff (chris at kohlhoff dot com)
// Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef BOOST_ASIO_SERIAL_PORT_BASE_HPP
#define BOOST_ASIO_SERIAL_PORT_BASE_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/detail/push_options.hpp>
#include <boost/asio/detail/push_options.hpp>
#include <stdexcept>
#include <boost/config.hpp>
#include <boost/detail/workaround.hpp>
#include <boost/system/error_code.hpp>
#include <boost/asio/detail/pop_options.hpp>
#if !defined(BOOST_ASIO_DISABLE_SERIAL_PORT)
# if defined(BOOST_ASIO_HAS_IOCP) \
|| !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
# define BOOST_ASIO_HAS_SERIAL_PORT 1
# endif // defined(BOOST_ASIO_HAS_IOCP)
#endif // !defined(BOOST_ASIO_DISABLE_STREAM_HANDLE)
#if defined(BOOST_ASIO_HAS_SERIAL_PORT) \
|| defined(GENERATING_DOCUMENTATION)
#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
# include <boost/asio/detail/push_options.hpp>
# include <termios.h>
# include <boost/asio/detail/pop_options.hpp>
#endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
#include <boost/asio/detail/socket_types.hpp>
#if defined(GENERATING_DOCUMENTATION)
# define BOOST_ASIO_OPTION_STORAGE implementation_defined
#elif defined(BOOST_WINDOWS) || defined(__CYGWIN__)
# define BOOST_ASIO_OPTION_STORAGE DCB
#else
# define BOOST_ASIO_OPTION_STORAGE termios
#endif
namespace boost {
namespace asio {
/// The serial_port_base class is used as a base for the basic_serial_port class
/// template so that we have a common place to define the serial port options.
class serial_port_base
{
public:
/// Serial port option to permit changing the baud rate.
/**
* Implements changing the baud rate for a given serial port.
*/
class baud_rate
{
public:
explicit baud_rate(unsigned int rate = 0);
unsigned int value() const;
boost::system::error_code store(BOOST_ASIO_OPTION_STORAGE& storage,
boost::system::error_code& ec) const;
boost::system::error_code load(const BOOST_ASIO_OPTION_STORAGE& storage,
boost::system::error_code& ec);
private:
unsigned int value_;
};
/// Serial port option to permit changing the flow control.
/**
* Implements changing the flow control for a given serial port.
*/
class flow_control
{
public:
enum type { none, software, hardware };
explicit flow_control(type t = none);
type value() const;
boost::system::error_code store(BOOST_ASIO_OPTION_STORAGE& storage,
boost::system::error_code& ec) const;
boost::system::error_code load(const BOOST_ASIO_OPTION_STORAGE& storage,
boost::system::error_code& ec);
private:
type value_;
};
/// Serial port option to permit changing the parity.
/**
* Implements changing the parity for a given serial port.
*/
class parity
{
public:
enum type { none, odd, even };
explicit parity(type t = none);
type value() const;
boost::system::error_code store(BOOST_ASIO_OPTION_STORAGE& storage,
boost::system::error_code& ec) const;
boost::system::error_code load(const BOOST_ASIO_OPTION_STORAGE& storage,
boost::system::error_code& ec);
private:
type value_;
};
/// Serial port option to permit changing the number of stop bits.
/**
* Implements changing the number of stop bits for a given serial port.
*/
class stop_bits
{
public:
enum type { one, onepointfive, two };
explicit stop_bits(type t = one);
type value() const;
boost::system::error_code store(BOOST_ASIO_OPTION_STORAGE& storage,
boost::system::error_code& ec) const;
boost::system::error_code load(const BOOST_ASIO_OPTION_STORAGE& storage,
boost::system::error_code& ec);
private:
type value_;
};
/// Serial port option to permit changing the character size.
/**
* Implements changing the character size for a given serial port.
*/
class character_size
{
public:
explicit character_size(unsigned int t = 8);
unsigned int value() const;
boost::system::error_code store(BOOST_ASIO_OPTION_STORAGE& storage,
boost::system::error_code& ec) const;
boost::system::error_code load(const BOOST_ASIO_OPTION_STORAGE& storage,
boost::system::error_code& ec);
private:
unsigned int value_;
};
protected:
/// Protected destructor to prevent deletion through this type.
~serial_port_base()
{
}
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
private:
// Workaround to enable the empty base optimisation with Borland C++.
char dummy_;
#endif
};
} // namespace asio
} // namespace boost
#include <boost/asio/impl/serial_port_base.ipp>
#undef BOOST_ASIO_OPTION_STORAGE
#endif // defined(BOOST_ASIO_HAS_SERIAL_PORT)
// || defined(GENERATING_DOCUMENTATION)
#include <boost/asio/detail/pop_options.hpp>
#endif // BOOST_ASIO_SERIAL_PORT_BASE_HPP
|
Swift