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/********************************************************************************************
* NxWidgets/nxwm/src/ctouchscreen.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.
*
********************************************************************************************/
/********************************************************************************************
* Included Files
********************************************************************************************/
#include <nuttx/config.h>
#include <cunistd>
#include <cerrno>
#include <cfcntl>
#include <debug.h>
#include <nuttx/nx/nxglib.h>
#include "nxconfig.hxx"
#include "cwidgetcontrol.hxx"
#include "cgraphicsport.hxx"
#include "nxwmconfig.hxx"
#include "nxwmglyphs.hxx"
#include "ctouchscreen.hxx"
/********************************************************************************************
* Pre-Processor Definitions
********************************************************************************************/
/********************************************************************************************
* CTouchscreen Method Implementations
********************************************************************************************/
using namespace NxWM;
/**
* CTouchscreen Constructor
*/
CTouchscreen::CTouchscreen(void)
{
m_touchFd = -1;
sem_init(&m_waitSem, 0, 0);
}
/**
* CTouchscreen Destructor
*/
CTouchscreen::~CTouchscreen(void)
{
if (m_touchFd >= 0)
{
std::close(m_touchFd);
}
sem_destroy(&m_waitSem);
}
/**
* Initialize the touchscreen device. Initialization is separate from
* object instantiation so that failures can be reported.
*
* @return True if the touchscreen device was correctly initialized
*/
bool CTouchscreen::open(void)
{
// Open the touchscreen device
m_touchFd = std::open(CONFIG_NXWM_TOUCHSCREEN_DEVPATH, O_RDONLY);
if (m_touchFd < 0)
{
gdbg("ERROR Failed to open %s for reading: %d\n",
CONFIG_NXWM_TOUCHSCREEN_DEVPATH, errno);
return false;
}
return true;
}
/**
* Capture raw driver data.
*
*
* @return True if the raw touchscreen data was sucessfully obtained
*/
bool CTouchscreen::waitRawTouchData(struct touch_sample_s &touch)
{
#warning "Missing logic"
return true;
}
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