eibdrv.h

欧洲安装总线系统的USB串口接口驱动c程序源代码.软件代码由西门子公司提供

/* ---------------------------------------------------------------------------
   eibdrv.h
   ---------------------------------------------------------------------------
   eibdrv Version 0.2.1
   Copyright (C) 2002, Wolfgang Tumfart
                       Donaustrasse 104/9
                       A-2344 Maria Enzersdorf
                       Austria (Europe)
                       [e-mail]

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU 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
   General Public License for more details.

   You should have received a copy of the GNU General Public License along
   with this program; if not, write to the Free Software Foundation, Inc.,
   675 Mass Ave, Cambridge, MA 02139, USA.
   --------------------------------------------------------------------------- */


#ifndef EIBDRV_H
#define EIBDRV_H



// Module parameter

#define FT_STANDARDMODE 0              // module operates in standard mode
#define FT_SERVERMODE   1              // module operates in server mode

#define FT_WRITE_STANDARD     0        // write accesses wo BCU2 acknowledgement
#define FT_WRITE_ACKNOWLEDGED 1        // write accesses w BCU2 acknowledgement

#define EIB_BUF_ELEMENT_SIZE 23        // maximal message length (in chars)

/*  --------------------------------------------------------------------------- */

// Module method: ioctl (values for argument cmd)

#define FT_IOC_MAGIC 100

#define FT_GET_OUTBUF_SIZE   _IO(FT_IOC_MAGIC,1)   
#define FT_SET_OUTBUF_SIZE   _IO(FT_IOC_MAGIC,2)   
#define FT_GET_WPBUF_SIZE    _IO(FT_IOC_MAGIC,3)   
#define FT_SET_WPBUF_SIZE    _IO(FT_IOC_MAGIC,4)
#define FT_GET_RPBUF_SIZE    _IO(FT_IOC_MAGIC,5)
#define FT_SET_RPBUF_SIZE    _IO(FT_IOC_MAGIC,6)
#define FT_GET_RPBUF_MSGSIZE _IO(FT_IOC_MAGIC,7)
#define FT_SET_RPBUF_MSGSIZE _IO(FT_IOC_MAGIC,8)

#define FT_GET_MODE          _IO(FT_IOC_MAGIC,9)    
#define FT_GET_BAUDRATE      _IO(FT_IOC_MAGIC,10)   
#define FT_GET_PORT_LENGTH   _IO(FT_IOC_MAGIC,11)   
#define FT_GET_PORT          _IO(FT_IOC_MAGIC,12)     

#define FT_SET_WRITE_MODE    _IO(FT_IOC_MAGIC,13)     
#define FT_GET_WRITE_MODE    _IO(FT_IOC_MAGIC,14)     

#define FT_ISSERVPROC        _IO(FT_IOC_MAGIC,15)    

#define FT_RESET             _IO(FT_IOC_MAGIC,16)    
#define FT_RESP_STATUS       _IO(FT_IOC_MAGIC,17)    

#define FT_RESET_STAT        _IO(FT_IOC_MAGIC,18)
#define FT_GET_STAT          _IO(FT_IOC_MAGIC,19)
#define FT_GETRESET_STAT     _IO(FT_IOC_MAGIC,20)

/*  --------------------------------------------------------------------------- */

// Error codes

#define ENORESULT     201              // write request not processed yet
#define ENOPROC       202              // no process with given id in list
#define ESIZE         203              // resize rejected
#define EDEVISOPEN    204              // process has already opened device
#define ENORESET      205              // reset of ft-protocol failed
#define ENORESPSTATUS 206              // request for status of BCU2 failed
/*  --------------------------------------------------------------------------- */

// Statistical information of buffer usage, write success, read retransmissions
// and total write time to serial port.


typedef struct 
   { unsigned long outbuf_count;  // No. messages in outbuf
     unsigned long wpbuf_count;   // No. write processes in wpbuf
     unsigned long rpbuf_count;   // No. read processes that opened device

     unsigned long write[4];      // No. SEND_UDATA succeeded in first write [1],
                                  // second write [2], third write [3] or failed [0]
     unsigned long read[3];       // SEND_UDATA received without retransmission [0], 
                                  // with one [1] or two [2] retransmissions
    
     struct timeval total_w1time; // total write time for write1-SEND_UDATA 
     int overflow;                // 0 ... statistics valid, 1 ... statistics void
   } Eib_statistics;

#endif