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LibrePilot/flight/modules/Airspeed/airspeedalarm.c

66 lines
1.8 KiB
C

/**
******************************************************************************
* @addtogroup OpenPilotModules OpenPilot Modules
* @{
* @addtogroup AirspeedModule Airspeed Module
* @brief Handle locally airspeed alarms issue changes to PIOS only when necessary
* @{
*
* @file airspeedalarm.c
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2014.
* @brief Airspeed module
*
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* 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 3 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* Output object: none
*
* Handle locally airspeed alarms issue changes to PIOS only when necessary
*
*/
#include "airspeedalarm.h"
// local variable
static SystemAlarmsAlarmOptions severitySet = SYSTEMALARMS_ALARM_UNINITIALISED;
// functions
/**
* Handle airspeed alarms and isuue an Alarm to PIOS only if necessary
*/
bool AirspeedAlarm(SystemAlarmsAlarmOptions severity)
{
if (severity == severitySet) {
return false;
}
severitySet = severity;
return AlarmsSet(SYSTEMALARMS_ALARM_AIRSPEED, severity) == 0;
}
/**
* @}
* @}
*/