eibd/backend/usbif.h

   1 /*
   2     EIBD eib bus access and management daemon
   3     Copyright (C) 2005-2009 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18 */
  19
  20 #ifndef EIB_USB_H
  21 #define EIB_USB_H
  22
  23 #include "lowlevel.h"
  24 #include "libusb.h"
  25
  26 typedef struct
  27 {
  28   int bus;
  29   int device;
  30   int config;
  31   int altsetting;
  32   int interface;
  33 } USBEndpoint;
  34
  35 typedef struct
  36 {
  37   libusb_device *dev;
  38   int config;
  39   int altsetting;
  40   int interface;
  41   int sendep;
  42   int recvep;
  43 } USBDevice;
  44
  45 USBEndpoint parseUSBEndpoint (const char *addr);
  46 USBDevice detectUSBEndpoint (USBEndpoint e);
  47
  48 class USBLowLevelDriver:public LowLevelDriverInterface, private Thread
  49 {
  50   libusb_device_handle *dev;
  51   USBDevice d;
  52   /** debug output */
  53   Trace *t;
  54   /** semaphore for inqueue */
  55   pth_sem_t in_signal;
  56   /** semaphore for outqueue */
  57   pth_sem_t out_signal;
  58   /** input queue */
  59     Queue < CArray > inqueue;
  60     /** output queue */
  61     Queue < CArray * >outqueue;
  62     /** event to wait for outqueue */
  63   pth_event_t getwait;
  64   /** semaphore to signal empty sendqueue */
  65   pth_sem_t send_empty;
  66   int state;
  67
  68   void Run (pth_sem_t * stop);
  69
  70 public:
  71     USBLowLevelDriver (const char *device, Trace * tr);
  72    ~USBLowLevelDriver ();
  73   bool init ();
  74
  75   void Send_Packet (CArray l);
  76   bool Send_Queue_Empty ();
  77   pth_sem_t *Send_Queue_Empty_Cond ();
  78   CArray *Get_Packet (pth_event_t stop);
  79   void SendReset ();
  80   bool Connection_Lost ();
  81   EMIVer getEMIVer ();
  82 };
  83
  84 #endif