143 lines
5.2 KiB
C
143 lines
5.2 KiB
C
/****************************************************************************
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* system/usbmsc/usbmsc.h
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*
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* Copyright (C) 2008-2009, 2012-2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __SYSTEM_USBMSC_USBMSC_H
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#define __SYSTEM_USBMSC_USBMSC_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdlib.h>
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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#ifndef CONFIG_SYSTEM_USBMSC_NLUNS
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# define CONFIG_SYSTEM_USBMSC_NLUNS 1
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#endif
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#ifndef CONFIG_SYSTEM_USBMSC_DEVMINOR1
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# define CONFIG_SYSTEM_USBMSC_DEVMINOR1 0
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#endif
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#ifndef CONFIG_SYSTEM_USBMSC_DEVPATH1
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# define CONFIG_SYSTEM_USBMSC_DEVPATH1 "/dev/mmcsd0"
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#endif
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#if CONFIG_SYSTEM_USBMSC_NLUNS > 1
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# ifndef CONFIG_SYSTEM_USBMSC_DEVMINOR2
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# error "CONFIG_SYSTEM_USBMSC_DEVMINOR2 for LUN=2"
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# endif
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# ifndef CONFIG_SYSTEM_USBMSC_DEVPATH2
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# error "CONFIG_SYSTEM_USBMSC_DEVPATH2 for LUN=2"
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# endif
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# if CONFIG_SYSTEM_USBMSC_NLUNS > 2
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# ifndef CONFIG_SYSTEM_USBMSC_DEVMINOR3
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# error "CONFIG_SYSTEM_USBMSC_DEVMINOR2 for LUN=3"
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# endif
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# ifndef CONFIG_SYSTEM_USBMSC_DEVPATH3
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# error "CONFIG_SYSTEM_USBMSC_DEVPATH3 for LUN=3"
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# endif
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# if CONFIG_SYSTEM_USBMSC_NLUNS > 3
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# error "CONFIG_SYSTEM_USBMSC_NLUNS must be {1,2,3}"
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# endif
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# else
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# undef CONFIG_SYSTEM_USBMSC_DEVMINOR3
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# undef CONFIG_SYSTEM_USBMSC_DEVPATH3
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# endif
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#else
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# undef CONFIG_SYSTEM_USBMSC_DEVMINOR2
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# undef CONFIG_SYSTEM_USBMSC_DEVPATH2
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# undef CONFIG_SYSTEM_USBMSC_DEVMINOR3
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# undef CONFIG_SYSTEM_USBMSC_DEVPATH3
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* All global variables used by this add-on are packed into a structure in
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* order to avoid name collisions.
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*/
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#if defined(CONFIG_NSH_BUILTIN_APPS) || defined(CONFIG_SYSTEM_USBMSC_DEBUGMM)
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struct usbmsc_state_s
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{
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/* This is the handle that references to this particular USB storage driver
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* instance. It is only needed if the USB mass storage device add-on is
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* built using CONFIG_NSH_BUILTIN_APPS. In this case, the value
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* of the driver handle must be remembered between the 'msconn' and 'msdis'
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* commands.
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*/
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#ifdef CONFIG_NSH_BUILTIN_APPS
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FAR void *mshandle;
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#endif
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/* Heap usage samples. These are useful for checking USB storage memory
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* usage and for tracking down memoryh leaks.
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*/
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#ifdef CONFIG_SYSTEM_USBMSC_DEBUGMM
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struct mallinfo mmstart; /* Memory usage before the connection */
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struct mallinfo mmprevious; /* The last memory usage sample */
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struct mallinfo mmcurrent; /* The current memory usage sample */
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#endif
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};
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#endif
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* All global variables used by this add-on are packed into a structure in
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* order to avoid name collisions.
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*/
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#if defined(CONFIG_NSH_BUILTIN_APPS) || defined(CONFIG_SYSTEM_USBMSC_DEBUGMM)
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extern struct usbmsc_state_s g_usbmsc;
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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#endif /* __SYSTEM_USBMSC_USBMSC_H */
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