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-/****************************************************************************
- * examples/examples/adc/adc.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_ADC_ADC_H
-#define __APPS_EXAMPLES_ADC_ADC_H
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-
-/****************************************************************************
- * Definitions
- ****************************************************************************/
-/* Configuration ************************************************************/
-/* CONFIG_NSH_BUILTIN_APPS - Build the ADC test as an NSH built-in function.
- * Default: Built as a standalone problem
- * CONFIG_EXAMPLES_ADC_DEVPATH - The default path to the ADC device. Default: /dev/adc0
- * CONFIG_EXAMPLES_ADC_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.
- * CONFIG_EXAMPLES_ADC_GROUPSIZE - The number of samples to read at once.
- * Default: 4
- */
-
-#ifndef CONFIG_ADC
-# error "ADC device support is not enabled (CONFIG_ADC)"
-#endif
-
-#ifndef CONFIG_EXAMPLES_ADC_DEVPATH
-# define CONFIG_EXAMPLES_ADC_DEVPATH "/dev/adc0"
-#endif
-
-#ifndef CONFIG_EXAMPLES_ADC_GROUPSIZE
-# define CONFIG_EXAMPLES_ADC_GROUPSIZE 4
-#endif
-
-/* Debug ********************************************************************/
-
-#ifdef CONFIG_CPP_HAVE_VARARGS
-# ifdef CONFIG_DEBUG
-# define message(...) syslog(__VA_ARGS__)
-# define msgflush()
-# else
-# define message(...) printf(__VA_ARGS__)
-# define msgflush() fflush(stdout)
-# endif
-#else
-# ifdef CONFIG_DEBUG
-# define message syslog
-# define msgflush()
-# else
-# define message printf
-# define msgflush() fflush(stdout)
-# endif
-#endif
-
-/****************************************************************************
- * Public Types
- ****************************************************************************/
-
-struct adc_state_s
-{
- bool initialized;
- FAR char *devpath;
-#if defined(CONFIG_NSH_BUILTIN_APPS) || defined(CONFIG_EXAMPLES_ADC_NSAMPLES)
- int count;
-#endif
-};
-
-/****************************************************************************
- * Public Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Public Function Prototypes
- ****************************************************************************/
-
-/****************************************************************************
- * Name: adc_devinit()
- *
- * Description:
- * Perform architecuture-specific initialization of the ADC hardware. This
- * interface must be provided by all configurations using apps/examples/adc
- *
- ****************************************************************************/
-
-int adc_devinit(void);
-
-#endif /* __APPS_EXAMPLES_ADC_ADC_H */