/***************************************************************************
                          lib/ibTrg.c
                             -------------------

    copyright            : (C) 2001,2002 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"
#include <stdlib.h>

int my_trigger(ibConf_t *conf, const Addr4882_t addressList[])
{
	int i, retval;
	uint8_t *cmd;

	if (addressListIsValid(addressList) == 0) {
		setIberr(EARG);
		return -1;
	}

	cmd = malloc(16 + 2 * numAddresses(addressList));
	if (!cmd) {
		setIberr(EDVR);
		setIbcnt(ENOMEM);
		return -1;
	}

	i = create_send_setup(interfaceBoard(conf), addressList, cmd);
	cmd[ i++ ] = GET;

	retval = my_ibcmd(conf, conf->settings.usec_timeout, cmd, i);

	free(cmd);
	cmd = NULL;

	if (retval != i)
		return -1;

	return 0;
}

int ibtrg(int ud)
{
	ibConf_t *conf;
	int retval;
	Addr4882_t addressList[ 2 ];

	conf = enter_library(ud);
	if (conf == NULL)
		return exit_library(ud, 1);

	if (conf->is_interface)	{
		setIberr(EARG);
		return exit_library(ud, 1);
	}

	addressList[ 0 ] = packAddress(conf->settings.pad, conf->settings.sad);
	addressList[ 1 ] = NOADDR;

	retval = my_trigger(conf, addressList);
	if (retval < 0)
		return exit_library(ud, 1);

	return exit_library(ud, 0);
}

void TriggerList(int boardID, const Addr4882_t addressList[])
{
	ibConf_t *conf;
	int retval;

	conf = enter_library(boardID);
	if (!conf) {
		exit_library(boardID, 1);
		return;
	}

	if (!conf->is_interface) {
		setIberr(EDVR);
		exit_library(boardID, 1);
		return;
	}

	retval = my_trigger(conf, addressList);
	if (retval < 0)	{
		exit_library(boardID, 1);
		return;
	}

	exit_library(boardID, 0);
}

void Trigger(int boardID, Addr4882_t address)
{
	Addr4882_t addressList[ 2 ];

	addressList[ 0 ] = address;
	addressList[ 1 ] = NOADDR;

	TriggerList(boardID, addressList);
}
