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/*---------------------------------------------------------------------------*\
FILE....: MAPDEV.CPP
TYPE....: WIN32 C++ Function
AUTHOR..: John Kostogiannis
DATE....: 6/11/97
AUTHOR..: Ron Lee
DATE....: 11/11/06
Functions used to map the board and channel number to a handle and
vice versa.
Voicetronix Voice Processing Board (VPB) Software
Copyright (C) 1999-2006 Voicetronix www.voicetronix.com.au
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301 USA
\*---------------------------------------------------------------------------*/
#include <assert.h>
#include "mapdev.h"
#include "apifunc.h"
#include "wobbly.h"
#ifdef _OPENPRI
#include "openpri.h"
#endif
/*--------------------------------------------------------------------------*\
FUNCTION.: mapdevtohndle
AUTHOR...: John Kostogiannis
DATE.....: 25/11/97
Maps the board number and channel number to a handle, this function
assumes four channels per board.
\*--------------------------------------------------------------------------*/
int mapdevtohndle(unsigned int board, unsigned int port)
{ //{{{
VPBREG *v = vpb_c->vpbreg(board);
if( port >= v->handles.size() )
v->handles.resize( port + 1, -1 );
int handle = v->handles[port];
if( handle == -1 )
return v->handles[port] = vpb_c->NewHandle( board, port );
return handle;
} //}}}
/*--------------------------------------------------------------------------*\
FUNCTION.: maphndletodev
AUTHOR...: John Kostogiannis
DATE.....: 25/11/97
Maps the handle to board number and channel number. This function
assumes four channels per board.
\*--------------------------------------------------------------------------*/
void maphndletodev(int handle, unsigned short *board, unsigned short *port)
{ //{{{
const VPBHANDLE &lookup = vpb_c->LookupHandle( handle );
*board = lookup.board;
*port = lookup.channel;
} //}}}
#ifdef _OPENPRI
/*--------------------------------------------------------------------------*\
FUNCTION.: get_idx_from_ch()
AUTHOR...: Ben Kramer
DATE.....: xx/12/04
Finds out the index to chans given a vpb channel
\*--------------------------------------------------------------------------*/
int get_idx_from_ch(VPBREG *v, int ch)
{
pri_chan *chans = (pri_chan*)v->chans;
int i = 0;
for(; i < v->numch; ++i){
if(ch == chans[i].chan_num)
return i;
}
throw Wobbly(MAPDEV_INVALID_CHANNEL);
}
/*--------------------------------------------------------------------------*\
FUNCTION.: get_idx_from_ich()
AUTHOR...: Ben Kramer
DATE.....: xx/01/05
Finds out the index to chans given an ISDN channel
\*--------------------------------------------------------------------------*/
int get_idx_from_ich(VPBREG *v, int ch)
{
pri_chan *chans = (pri_chan *)v->chans;
int i = 0;
ch &= 0xff; // strip off any extra flags added by libpri.
for(; i < v->numch; ++i){
if(ch == chans[i].iface->channel)
return i;
}
throw Wobbly(MAPDEV_INVALID_CHANNEL);
}
#endif
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