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/***************************************************************************
lib/ibCac.c
-------------------
copyright : (C) 2001,2002,2003 by Frank Mori Hess
email : fmhess@users.sourceforge.net
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "ib_internal.h"
int ibcac(int ud, int synchronous)
{
ibConf_t *conf;
ibBoard_t *board;
int retval;
conf = enter_library(ud);
if (conf == NULL)
return exit_library(ud, 1);
if (conf->is_interface == 0) {
setIberr(EARG);
return exit_library(ud, 1);
}
board = interfaceBoard(conf);
retval = is_cic(board);
if (retval <= 0) {
if (retval == 0)
setIberr(ECIC);
return exit_library(ud, 1);
}
retval = ioctl(board->fileno, IBCAC, &synchronous);
// if synchronous failed, fall back to asynchronous
if (retval < 0 && synchronous ) {
synchronous = 0;
retval = ioctl(board->fileno, IBCAC, &synchronous);
}
if (retval < 0) {
switch (errno) {
default:
setIberr(EDVR);
break;
}
return exit_library(ud, 1);
}
return exit_library(ud, 0);
}
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