eibd/backend/tpuartserial.h

   1 /*
   2     EIBD eib bus access and management daemon
   3     Copyright (C) 2005-2010 Martin Koegler <mkoegler@auto.tuwien.ac.at>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #ifndef TPUART_SERIAL_H
  21 #define TPUART_SERIAL_H
  22 #include <termios.h>
  23 #include "lowlatency.h"
  24 #include "layer2.h"
  25
  26 /** TPUART user mode driver */
  27 class TPUARTSerialLayer2Driver:public Layer2Interface, private Thread
  28 {
  29   /** old serial config */
  30   low_latency_save sold;
  31   /** old termios state */
  32   struct termios old;
  33   /** file descriptor */
  34   int fd;
  35   /** debug output */
  36   Trace *t;
  37   /** default EIB address */
  38   eibaddr_t addr;
  39   /** state */
  40   int mode;
  41   /** vbusmonitor mode */
  42   int vmode;
  43   /** semaphore for inqueue */
  44   pth_sem_t in_signal;
  45   /** semaphore for outqueue */
  46   pth_sem_t out_signal;
  47   /** input queue */
  48     Queue < LPDU * >inqueue;
  49     /** output queue */
  50     Queue < LPDU * >outqueue;
  51     /** event to wait for outqueue */
  52   pth_event_t getwait;
  53   /** my individual addresses */
  54     Array < eibaddr_t > indaddr;
  55     /** my group addresses */
  56     Array < eibaddr_t > groupaddr;
  57   bool ackallgroup;
  58   bool ackallindividual;
  59   bool dischreset;
  60
  61     /** process a recevied frame */
  62   void RecvLPDU (const uchar * data, int len);
  63   void Run (pth_sem_t * stop);
  64 public:
  65     TPUARTSerialLayer2Driver (const char *dev, eibaddr_t addr, int flags,
  66                               Trace * tr);
  67    ~TPUARTSerialLayer2Driver ();
  68   bool init ();
  69
  70   void Send_L_Data (LPDU * l);
  71   LPDU *Get_L_Data (pth_event_t stop);
  72
  73   bool addAddress (eibaddr_t addr);
  74   bool addGroupAddress (eibaddr_t addr);
  75   bool removeAddress (eibaddr_t addr);
  76   bool removeGroupAddress (eibaddr_t addr);
  77
  78   bool enterBusmonitor ();
  79   bool leaveBusmonitor ();
  80   bool openVBusmonitor ();
  81   bool closeVBusmonitor ();
  82
  83   bool Open ();
  84   bool Close ();
  85   eibaddr_t getDefaultAddr ();
  86   bool Connection_Lost ();
  87   bool Send_Queue_Empty ();
  88 };
  89
  90 #endif