124 lines
4.6 KiB
C
124 lines
4.6 KiB
C
|
/****************************************************************************
|
||
|
|
* examples/examples/qe/qe.h
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#ifndef __APPS_EXAMPLES_QENCODER_QE_H
|
||
|
|
#define __APPS_EXAMPLES_QENCODER_QE_H
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Included Files
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#include <nuttx/config.h>
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Definitions
|
||
|
|
****************************************************************************/
|
||
|
|
/* Configuration ************************************************************/
|
||
|
|
/* CONFIG_NSH_BUILTIN_APPS - Build the QE test as an NSH built-in function.
|
||
|
|
* Default: Built as a standalone problem
|
||
|
|
* CONFIG_EXAMPLES_QENCODER_DEVPATH - The path to the QE device. Default:
|
||
|
|
* /dev/qe0
|
||
|
|
* CONFIG_EXAMPLES_QENCODER_NSAMPLES - If CONFIG_NSH_BUILTIN_APPS
|
||
|
|
* 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_QENCODER
|
||
|
|
# error "QE device support is not enabled (CONFIG_QENCODER)"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef CONFIG_EXAMPLES_QENCODER_DEVPATH
|
||
|
|
# define CONFIG_EXAMPLES_QENCODER_DEVPATH "/dev/qe0"
|
||
|
|
#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
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#ifdef CONFIG_NSH_BUILTIN_APPS
|
||
|
|
struct qe_example_s
|
||
|
|
{
|
||
|
|
bool reset;
|
||
|
|
int nloops;
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Public Variables
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#ifdef CONFIG_NSH_BUILTIN_APPS
|
||
|
|
extern struct qe_example_s g_qeexample;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Public Function Prototypes
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
* Name: qe_devinit()
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
* Perform architecuture-specific initialization of the QE hardware. This
|
||
|
|
* interface must be provided by all configurations using apps/examples/qe
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
int qe_devinit(void);
|
||
|
|
|
||
|
|
#endif /* __APPS_EXAMPLES_QENCODER_QE_H */
|