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/****************************************************************************
* NxWidgets/nxwm/include/ctouchscreen.hxx
*
* 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.
*
****************************************************************************/
#ifndef __INCLUDE_CTOUCHSCREEN_HXX
#define __INCLUDE_CTOUCHSCREEN_HXX
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/nx/nxglib.h>
#include <semaphore.h>
#include <nuttx/input/touchscreen.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Implementation Classes
****************************************************************************/
namespace NxWM
{
/**
* The CTouchscreen class provides the the calibration window and obtains
* callibration data.
*/
class CTouchscreen
{
private:
int m_touchFd; /**< File descriptor of the opened touchscreen device */
sem_t m_waitSem; /**< Semaphore the supports waits for touchscreen data */
public:
/**
* CTouchscreen Constructor
*/
CTouchscreen(void);
/**
* CTouchscreen Destructor
*/
~CTouchscreen(void);
/**
* 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 open(void);
/**
* Capture raw driver data.
*
*
* @return True if the raw touchscreen data was sucessfully obtained
*/
bool waitRawTouchData(struct touch_sample_s &touch);
};
}
#endif // __INCLUDE_CTOUCHSCREEN_HXX
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