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166 lines
6.0 KiB
166 lines
6.0 KiB
/**************************************************************************** |
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* examples/usbstorage/usbmsc.h |
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* |
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* Copyright (C) 2008-2009, 2012 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 __EXAMPLES_USBSTORAGE_USBMSC_H |
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#define __EXAMPLES_USBSTORAGE_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_EXAMPLES_USBMSC_NLUNS |
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# define CONFIG_EXAMPLES_USBMSC_NLUNS 1 |
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#endif |
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#ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR1 |
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# define CONFIG_EXAMPLES_USBMSC_DEVMINOR1 0 |
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#endif |
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#ifndef CONFIG_EXAMPLES_USBMSC_DEVPATH1 |
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# define CONFIG_EXAMPLES_USBMSC_DEVPATH1 "/dev/mmcsd0" |
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#endif |
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#if CONFIG_EXAMPLES_USBMSC_NLUNS > 1 |
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# ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR2 |
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# error "CONFIG_EXAMPLES_USBMSC_DEVMINOR2 for LUN=2" |
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# endif |
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# ifndef CONFIG_EXAMPLES_USBMSC_DEVPATH2 |
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# error "CONFIG_EXAMPLES_USBMSC_DEVPATH2 for LUN=2" |
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# endif |
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# if CONFIG_EXAMPLES_USBMSC_NLUNS > 2 |
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# ifndef CONFIG_EXAMPLES_USBMSC_DEVMINOR3 |
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# error "CONFIG_EXAMPLES_USBMSC_DEVMINOR2 for LUN=3" |
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# endif |
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# ifndef CONFIG_EXAMPLES_USBMSC_DEVPATH2 |
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# error "CONFIG_EXAMPLES_USBMSC_DEVPATH2 for LUN=3" |
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# endif |
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# if CONFIG_EXAMPLES_USBMSC_NLUNS > 3 |
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# error "CONFIG_EXAMPLES_USBMSC_NLUNS must be {1,2,3}" |
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# endif |
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# endif |
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#endif |
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/* Debug ********************************************************************/ |
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#ifdef CONFIG_CPP_HAVE_VARARGS |
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# ifdef CONFIG_DEBUG |
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# define message(...) lib_lowprintf(__VA_ARGS__) |
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# define msgflush() |
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# else |
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# define message(...) printf(__VA_ARGS__) |
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# define msgflush() fflush(stdout) |
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# endif |
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#else |
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# ifdef CONFIG_DEBUG |
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# define message lib_lowprintf |
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# define msgflush() |
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# else |
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# define message printf |
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# define msgflush() fflush(stdout) |
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# endif |
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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 example 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_EXAMPLES_USBMSC_BUILTIN) || defined(CONFIG_EXAMPLES_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 example is |
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* built using CONFIG_EXAMPLES_USBMSC_BUILTIN. 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_EXAMPLES_USBMSC_BUILTIN |
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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_EXAMPLES_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 example 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_EXAMPLES_USBMSC_BUILTIN) || defined(CONFIG_EXAMPLES_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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/**************************************************************************** |
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* Name: usbmsc_archinitialize |
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* |
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* Description: |
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* Perform architecture specific initialization. This function must |
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* configure the block device to export via USB. This function must be |
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* provided by architecture-specific logic in order to use this example. |
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* |
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****************************************************************************/ |
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extern int usbmsc_archinitialize(void); |
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#endif /* __EXAMPLES_USBSTORAGE_USBMSC_H */
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