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/****************************************************************************
* examples/usbstorage/usbmsc.h
*
* Copyright (C) 2008-2009, 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 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 __EXAMPLES_USBSTORAGE_USBMSC_H
#define __EXAMPLES_USBSTORAGE_USBMSC_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdlib.h>
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
#ifndef CONFIG_EXAMPLES_USBMSC_NLUNS
# define CONFIG_EXAMPLES_USBMSC_NLUNS 1
#endif
#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1
# define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0
#endif
#ifndef CONFIG_EXAMPLES_USBMSC_DEVPATH1
# define CONFIG_EXAMPLES_USBMSC_DEVPATH1 "/dev/mmcsd0"
#endif
#if CONFIG_EXAMPLES_USBMSC_NLUNS > 1
# ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR2
# error "CONFIG_EXAMPLES_USBMSC_DEVMINOR2 for LUN=2"
# endif
# ifndef CONFIG_EXAMPLES_USBMSC_DEVPATH2
# error "CONFIG_EXAMPLES_USBMSC_DEVPATH2 for LUN=2"
# endif
# if CONFIG_EXAMPLES_USBMSC_NLUNS > 2
# ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR3
# error "CONFIG_EXAMPLES_USBMSC_DEVMINOR2 for LUN=3"
# endif
# ifndef CONFIG_EXAMPLES_USBMSC_DEVPATH2
# error "CONFIG_EXAMPLES_USBMSC_DEVPATH2 for LUN=3"
# endif
# if CONFIG_EXAMPLES_USBMSC_NLUNS > 3
# error "CONFIG_EXAMPLES_USBMSC_NLUNS must be {1,2,3}"
# endif
# endif
#endif
/* Debug ********************************************************************/
#ifdef CONFIG_CPP_HAVE_VARARGS
# ifdef CONFIG_DEBUG
# define message(...) lowsyslog(__VA_ARGS__)
# define msgflush()
# else
# define message(...) printf(__VA_ARGS__)
# define msgflush() fflush(stdout)
# endif
#else
# ifdef CONFIG_DEBUG
# define message lowsyslog
# define msgflush()
# else
# define message printf
# define msgflush() fflush(stdout)
# endif
#endif
/****************************************************************************
* Public Types
****************************************************************************/
/* All global variables used by this example are packed into a structure in
* order to avoid name collisions.
*/
#if defined(CONFIG_NSH_BUILTIN_APPS) || defined(CONFIG_EXAMPLES_USBMSC_DEBUGMM)
struct usbmsc_state_s
{
/* This is the handle that references to this particular USB storage driver
* instance. It is only needed if the USB mass storage device example is
* built using CONFIG_NSH_BUILTIN_APPS. In this case, the value
* of the driver handle must be remembered between the 'msconn' and 'msdis'
* commands.
*/
#ifdef CONFIG_NSH_BUILTIN_APPS
FAR void *mshandle;
#endif
/* Heap usage samples. These are useful for checking USB storage memory
* usage and for tracking down memoryh leaks.
*/
#ifdef CONFIG_EXAMPLES_USBMSC_DEBUGMM
struct mallinfo mmstart; /* Memory usage before the connection */
struct mallinfo mmprevious; /* The last memory usage sample */
struct mallinfo mmcurrent; /* The current memory usage sample */
#endif
};
#endif
/****************************************************************************
* Public Data
****************************************************************************/
/* All global variables used by this example are packed into a structure in
* order to avoid name collisions.
*/
#if defined(CONFIG_NSH_BUILTIN_APPS) || defined(CONFIG_EXAMPLES_USBMSC_DEBUGMM)
extern struct usbmsc_state_s g_usbmsc;
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: usbmsc_archinitialize
*
* Description:
* Perform architecture specific initialization. This function must
* configure the block device to export via USB. This function must be
* provided by architecture-specific logic in order to use this example.
*
****************************************************************************/
extern int usbmsc_archinitialize(void);
#endif /* __EXAMPLES_USBSTORAGE_USBMSC_H */
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