nuttx-apps/examples/touchscreen/tc.h
patacongo 1a682b3c48 Add logic to limit the number of samples
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3996 42af7a65-404d-4744-a932-0658087f49c3
2011-09-29 16:38:09 +00:00

138 lines
5.5 KiB
C

/****************************************************************************
* examples/touchscreen/tc.h
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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.
*
****************************************************************************/
#ifndef __APPS_EXAMPLES_TOUCHSCREEN_TC_H
#define __APPS_EXAMPLES_TOUCHSCREEN_TC_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* CONFIG_EXAMPLES_TOUCHSCREEN_BUILTIN - Build the touchscreen test as
* an NSH built-in function. Default: Built as a standalone problem
* CONFIG_EXAMPLES_TOUCHSCREEN_MINOR - The minor device number. Minor=N
* correspnds to touchscreen device /dev/input0. Note this value must
* with CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH. Default 0.
* CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH - The path to the touchscreen
* device. This must be consistent with CONFIG_EXAMPLES_TOUCHSCREEN_MINOR.
* Default: "/dev/input0"
* CONFIG_EXAMPLES_TOUCHSCREEN_NSAMPLES - If CONFIG_EXAMPLES_TOUCHSCREEN_BUILTIN
* is defined, then the number of samples is provided on the command line
* and this value is ignored. Otherwise, this number of samples is
* collected and the program terminates. Default: Samples are collected
* indefinitely.
*/
#ifndef CONFIG_INPUT
# error "Input device support is not enabled (CONFIG_INPUT)"
#endif
#ifndef CONFIG_EXAMPLES_TOUCHSCREEN_MINOR
# undef CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH
# define CONFIG_EXAMPLES_TOUCHSCREEN_MINOR 0
# define CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH "/dev/input0"
#endif
#ifndef CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH
# undef CONFIG_EXAMPLES_TOUCHSCREEN_MINOR
# define CONFIG_EXAMPLES_TOUCHSCREEN_MINOR 0
# define CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH "/dev/input0"
#endif
/* Debug ********************************************************************/
#ifdef CONFIG_CPP_HAVE_VARARGS
# ifdef CONFIG_DEBUG
# define message(...) lib_rawprintf(__VA_ARGS__)
# define msgflush()
# else
# define message(...) printf(__VA_ARGS__)
# define msgflush() fflush(stdout)
# endif
#else
# ifdef CONFIG_DEBUG
# define message lib_rawprintf
# define msgflush()
# else
# define message printf
# define msgflush() fflush(stdout)
# endif
#endif
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Variables
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* 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);
/****************************************************************************
* 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);
#endif /* __APPS_EXAMPLES_TOUCHSCREEN_TC_H */