/****************************************************************************
* NxWidgets/libnxwidgets/src/cnxtimer.cxx
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name NuttX, NxWidgets, nor the names of its contributors
* me be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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.
*
****************************************************************************
*
* Portions of this package derive from Woopsi (http://woopsi.org/) and
* portions are original efforts. It is difficult to determine at this
* point what parts are original efforts and which parts derive from Woopsi.
* However, in any event, the work of Antony Dzeryn will be acknowledged
* in most NxWidget files. Thanks Antony!
*
* Copyright (c) 2007-2011, Antony Dzeryn
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted 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 names "Woopsi", "Simian Zombie" nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Antony Dzeryn ``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 Antony Dzeryn 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <cstring>
#include <ctime>
#include <debug.h>
#include <errno.h>
#include <nuttx/clock.h>
#include <nuttx/wqueue.h>
#include "cnxtimer.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Static Data Members
****************************************************************************/
using namespace NXWidgets;
/****************************************************************************
* Implementation Classes
****************************************************************************/
/**
* Constructor.
*
* @param pWidgetControl The controlling widget for the display.
* @param timeout Time, in milliseconds, before the timer fires an
* EVENT_ACTION event.
* @param repeat If true, the timer will fire multiple events. If false,
* the timer will fire just once and stop.
*/
CNxTimer::CNxTimer(CWidgetControl *pWidgetControl, uint32_t timeout, bool repeat)
: CNxWidget(pWidgetControl, 0, 0, 0, 0, 0, 0)
{
// Remember the timer configuration
m_timeout = timeout;
m_isRepeater = repeat;
m_isRunning = false;
// Reset the work structure
memset(&m_work, 0, sizeof(m_work));
}
/**
* Destructor.
*/
CNxTimer::~CNxTimer(void)
{
}
/**
* Resets the millisecond timer.
*/
void CNxTimer::reset(void)
{
// It does not make sense to reset the timer if the timer is not running
if (m_isRunning)
{
stop();
start();
}
}
/**
* Starts the timer.
*/
void CNxTimer::start(void)
{
// If the timer is running, reset should be used to restart it
if (!m_isRunning)
{
uint32_t ticks = m_timeout / MSEC_PER_TICK;
int ret = work_queue(USRWORK, &m_work, workQueueCallback, this, ticks);
if (ret < 0)
{
gdbg("work_queue failed: %d\n", ret);
}
m_isRunning = true;
}
}
/**
* Stops the timer
*/
void CNxTimer::stop(void)
{
if (m_isRunning)
{
int ret = work_cancel(USRWORK, &m_work);
if (ret < 0)
{
gdbg("work_cancel failed: %d\n", ret);
}
m_isRunning = false;
}
}
void CNxTimer::workQueueCallback(FAR void *arg)
{
CNxTimer* This = (CNxTimer*)arg;
This->m_isRunning = false;
// Restart the timer if this is a repeating timer
if (This->m_isRepeater)
{
This->start();
}
// Raise the action event.
This->m_widgetEventHandlers->raiseActionEvent();
}
