kandy

modem.h
00001 /*
00002     KMLOCfg
00003 
00004     A utility to configure the ELSA MicroLink(tm) Office modem.
00005 
00006     Copyright (C) 2000 Oliver Gantz <Oliver.Gantz@epost.de>
00007 
00008     This program is free software; you can redistribute it and/or modify
00009     it under the terms of the GNU General Public License as published by
00010     the Free Software Foundation; either version 2 of the License, or
00011     (at your option) any later version.
00012 
00013     This program is distributed in the hope that it will be useful,
00014     but WITHOUT ANY WARRANTY; without even the implied warranty of
00015     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016     GNU General Public License for more details.
00017 
00018     You should have received a copy of the GNU General Public License
00019     along with this program; if not, write to the Free Software
00020     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00021 
00022     ------
00023     ELSA and MicroLink are trademarks of ELSA AG, Aachen.
00024 */
00025 
00026 #ifndef MODEM_H
00027 #define MODEM_H
00028 
00029 #ifdef HAVE_CONFIG_H
00030 #include "config.h"
00031 #endif
00032 
00033 #include <termios.h>
00034 
00035 #include <tqobject.h>
00036 #include <tqstring.h>
00037 #include <tqtimer.h>
00038 #include <tqsocketnotifier.h>
00039 #include <tqfile.h>
00040 
00041 #include "kandyprefs.h"
00042 
00043 
00044 
00045 
00046 class Modem : public TQObject
00047 {
00048     Q_OBJECT
00049   TQ_OBJECT
00050 public:
00051     Modem(KandyPrefs *kprefs, TQObject *parent = 0, const char *name = 0);
00052     virtual ~Modem();
00053 
00054     void setSpeed(int speed);
00055     void setData(int data);
00056     void setParity(char parity);
00057     void setStop(int stop);
00058 
00059     bool open();
00060     void close();
00061 
00062         bool isOpen() { return mOpen; }
00063 
00064     void flush();
00065 
00066     bool lockDevice();
00067     void unlockDevice();
00068 
00069     bool dsrOn();
00070     bool ctsOn();
00071 
00072     void writeChar(const char c);
00073     void writeLine(const char *line);
00074 
00075     void timerStart(int msec);
00076 
00077     void receiveXModem(bool crc);
00078     void abortXModem();
00079 
00080 private slots:
00081     void timerDone();
00082 
00083     void readChar(int);
00084     void readXChar(int);
00085 
00086 private:
00087   bool mOpen;
00088 
00089     void init();
00090     void xreset();
00091 
00092     uchar calcChecksum();
00093     ushort calcCRC();
00094 
00095     bool is_locked;
00096     struct termios init_tty;
00097 
00098     speed_t cspeed;
00099     tcflag_t cflag;
00100 
00101     int fd;
00102     TQTimer *timer;
00103     TQSocketNotifier *sn;
00104 
00105     uchar buffer[1024];
00106     int bufpos;
00107 
00108     int xstate;
00109     bool xcrc;
00110     uchar xblock;
00111     int xsize;
00112 
00113         KandyPrefs *prefs;
00114 
00115 signals:
00116     void gotLine(const char *);
00117     void gotXBlock(const uchar *, int);
00118     void xmodemDone(bool);
00119     void timeout();
00120 
00121     void errorMessage( const TQString & );
00122 };
00123 
00124 
00125 #endif // MODEM_H