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Diffstat (limited to 'NxWidgets/nxwm/src/ctouchscreen.cxx')
-rw-r--r-- | NxWidgets/nxwm/src/ctouchscreen.cxx | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/NxWidgets/nxwm/src/ctouchscreen.cxx b/NxWidgets/nxwm/src/ctouchscreen.cxx new file mode 100644 index 000000000..215e50064 --- /dev/null +++ b/NxWidgets/nxwm/src/ctouchscreen.cxx @@ -0,0 +1,125 @@ +/******************************************************************************************** + * 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; +} |