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84 lines
3.0 KiB
C
84 lines
3.0 KiB
C
/**
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******************************************************************************
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*
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* @file pios_notify.c
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2014.
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* @brief Handles user notifications.
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* --
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "pios_notify.h"
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static volatile pios_notify_notification currentNotification = NOTIFY_NONE;
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static volatile pios_notify_priority currentPriority;
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static volatile ExtLedNotification_t extLedNotification;
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static volatile bool newNotification;
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void PIOS_NOTIFY_StartNotification(pios_notify_notification notification, pios_notify_priority priority)
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{
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if (currentNotification == NOTIFY_NONE || currentPriority < priority) {
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currentPriority = priority;
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currentNotification = notification;
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}
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}
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pios_notify_notification PIOS_NOTIFY_GetActiveNotification(bool clear)
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{
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pios_notify_notification ret = currentNotification;
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if (clear && ret != NOTIFY_NONE) {
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currentNotification = NOTIFY_NONE;
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}
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return ret;
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}
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/*
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* Play a sequence on the default external led. Sequences with priority higher than NOTIFY_PRIORITY_LOW
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* are repeated only once if repeat = -1
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* @param sequence Sequence to be played
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* @param priority Priority of the sequence being played
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*/
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void PIOS_NOTIFICATION_Default_Ext_Led_Play(const LedSequence_t *sequence, pios_notify_priority priority)
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{
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// alert and alarms are repeated if condition persists. bacground notification instead are set once, so try to prevent loosing any update
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if (newNotification && priority != NOTIFY_PRIORITY_BACKGROUND) {
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// prevent overwriting higher priority or background notifications
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if (extLedNotification.priority == NOTIFY_PRIORITY_BACKGROUND || extLedNotification.priority > priority) {
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return;
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}
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}
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extLedNotification.priority = priority;
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extLedNotification.sequence = *sequence;
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newNotification = true;
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}
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ExtLedNotification_t *PIOS_NOTIFY_GetNewExtLedSequence(bool clear)
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{
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if (!newNotification) {
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return 0;
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}
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if (clear) {
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newNotification = false;
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}
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return (ExtLedNotification_t *)&extLedNotification;
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}
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