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/****************************************************************************
* config/sim/src/up_touchscreen.c
*
* Copyright (C) 2011 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 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 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 <sys/types.h>
#include <stdint.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/fb.h>
#include <nuttx/input/touchscreen.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxglib.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* Pick a background color */
#ifndef CONFIG_EXAMPLES_TOUCHSCREEN_BGCOLOR
# define CONFIG_EXAMPLES_TOUCHSCREEN_BGCOLOR 0x007b68ee
#endif
/****************************************************************************
* Private Types
****************************************************************************/
struct sim_touchscreen_s
{
NXHANDLE hnx;
};
/****************************************************************************
* Private Data
****************************************************************************/
static struct sim_touchscreen_s g_simtc;
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: arch_tcinitialize()
*
* Description:
* Perform architecuture-specific initialization of the touchscreen
* hardware. This interface must be provided by all configurations
* using apps/examples/touchscreen
*
****************************************************************************/
int arch_tcinitialize(int minor)
{
FAR NX_DRIVERTYPE *dev;
nxgl_mxpixel_t color;
int ret;
/* Initialize the simulated frame buffer device. We need to create an
* X11 window to support the mouse-driven touchscreen simulation.
*/
ivdbg("Initializing framebuffer\n");
ret = up_fbinitialize();
if (ret < 0)
{
idbg("up_fbinitialize failed: %d\n", -ret);
goto errout;
}
dev = up_fbgetvplane(0);
if (!dev)
{
idbg("up_fbgetvplane 0 failed\n");
ret = -ENODEV;
goto errout_with_fb;
}
/* Then open NX */
ivdbg("Open NX\n");
g_simtc.hnx = nx_open(dev);
if (!g_simtc.hnx)
{
ret = -errno;
idbg("nx_open failed: %d\n", ret);
goto errout_with_fb;
}
/* Set the background to the configured background color */
ivdbg("Set background color=%d\n", CONFIG_EXAMPLES_TOUCHSCREEN_BGCOLOR);
color = CONFIG_EXAMPLES_TOUCHSCREEN_BGCOLOR;
ret = nx_setbgcolor(g_simtc.hnx, &color);
if (ret < 0)
{
idbg("nx_setbgcolor failed: %d\n", ret);
goto errout_with_nx;
}
/* Finally, initialize the touchscreen simulation on the X window */
ret = arch_tcinitialize(minor);
if (ret < 0)
{
idbg("arch_tcinitialize failed: %d\n", ret);
goto errout_with_nx;
}
return OK;
errout_with_nx:
nx_close(g_simtc.hnx);
goto errout;
errout_with_fb:
fb_uninitialize();
errout:
return ret;
}
/****************************************************************************
* Name: arch_tcuninitialize()
*
* Description:
* Perform architecuture-specific un-initialization of the touchscreen
* hardware. This interface must be provided by all configurations
* using apps/examples/touchscreen
*
****************************************************************************/
void arch_tcuninitialize(void)
{
/* Shut down the touchscreen driver */
sim_tcuninitialize();
/* Close NX */
nx_close(g_simtc.hnx);
}
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