/******************************************************************************************** * NxWidgets/nxwm/src/ctouchscreen.cxx * * Copyright (C) 2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include #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; }