modem.h

KDE下的西门子手机管理程序

/*
 *              kPPP: A pppd Front End for the KDE project
 *
 * $Id: modem.h,v 1.1 2001/02/16 13:02:25 matze Exp $
 *
 *              Copyright (C) 1997 Bernd Johannes Wuebben
 *                      [e-mail]
 * 
 * This file was added by Harri Porten <[e-mail]>
 *
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library 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 Library General Public
 * License along with this program; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef _MODEM_H_
#define _MODEM_H_

#include <qdir.h>

#include <sys/types.h>
#include <termios.h>
#include <unistd.h>

#include <qsocketnotifier.h>

#include <config.h>

void    alarm_handler(int);

class Modem : public QObject {
  Q_OBJECT
public:
  Modem();
  ~Modem();

  bool opentty(const QString&);
  bool closetty();
  bool hangup();
  bool writeChar(unsigned char);
  bool writeLine(const char *);
  bool dataMode() const { return data_mode; }
  void setDataMode(bool set) { data_mode = set; }
  const QString& modemMessage();
  speed_t modemSpeed();

  void notify(const QObject *, const char *);
  void stop();
  void flush();

  /** returns the modem init delay, in milliseconds */
  int modemInitDelay() const;
  /** returns the current modem hangup string (e.g. "ATH0") */
  const QString& modemHangupString() const;
  /** return the current line termination character, which is either "CR", "LF" or "CR/LF" */
  const QString& lineTerminator() const;
  /** return the guard time after sending the escape sequence to the modem in milliseconds */
  int modemEscapeGuardTime() const;
  /** return the escape sequence of the modem */
  const QString& modemEscapeString() const;
  /** set the line terminator. valid are "CR", "CR/LF", "ESC". */
  void setLineTerminator(QString);

signals:
  void charWaiting(unsigned char);

private slots:
  void startNotifier();
  void stopNotifier();
  void readtty(int);  

private:
  void escape_to_command_mode();

  /** return the flow control setting of the modem device */
  const QString & flowControl() const;

private:
  int modemfd;
  QSocketNotifier *sn;
  bool data_mode;
  QString errmsg;
  struct termios initial_tty;
  struct termios tty;
  /** hangup string to send to the modem */
  QString m_modemHangupString;

  /** holds the current line terminator of the modem */
  QString m_lineTerminator;
  /** the data rate of the modem */
  speed_t m_modemSpeed;
  /**  modem escape guard time in milliseconds */
  int m_modemEscapeGuardTime;
  /** the escape sequence to return to command mode */
  QString m_modemEscapeString;
  /** modem init delay in milliseconds */
  int m_modemInitDelay;
  /** the flow control mode of the modem */
  QString m_flowControl;
};

#endif