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DriverFramework_NuttX.cpp
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81 lines (72 loc) · 3.08 KB
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/**********************************************************************
* Copyright (c) 2015 Mark Charlebois
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted (subject to the limitations in the
* disclaimer below) provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Dronecode Project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
* HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*************************************************************************/
#include "DriverFramework.hpp"
#include "DevMgr.hpp"
#include <pthread.h>
using namespace DriverFramework;
//-----------------------------------------------------------------------
// Static Variables
//-----------------------------------------------------------------------
static pthread_mutex_t g_framework_exit = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t g_framework_cond;
//-----------------------------------------------------------------------
// Class Methods
//-----------------------------------------------------------------------
/*************************************************************************
Framework
*************************************************************************/
void Framework::shutdown()
{
// Free the DevMgr resources
DevMgr::finalize();
// allow Framework to exit
pthread_mutex_lock(&g_framework_exit);
pthread_cond_signal(&g_framework_cond);
pthread_mutex_unlock(&g_framework_exit);
}
int Framework::initialize()
{
int ret = DevMgr::initialize();
pthread_cond_init(&g_framework_cond, nullptr);
return (ret < 0) ? -1 : 0;
}
void Framework::waitForShutdown()
{
// Block until shutdown requested
pthread_mutex_lock(&g_framework_exit);
pthread_cond_wait(&g_framework_cond, &g_framework_exit);
pthread_mutex_unlock(&g_framework_exit);
}