141 lines
4.6 KiB
C
141 lines
4.6 KiB
C
/**
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* \file
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* Declaration of the DSC program description structure.
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* \author Adam Dunkels <adam@dunkels.com>
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*
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*/
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/**
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* \addtogroup loader
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* @{
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*/
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/**
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* \page dsc The program description structure
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*
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* The Contiki DSC structure is used for describing programs. It
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* includes a string describing the program, the name of the program
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* file on disk (or a pointer to the programs initialization function
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* for systems without disk support), a bitmap icon and a text version
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* of the same icon.
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*
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* The DSC is saved into a file which can be loaded by programs such
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* as the "Directory" application which reads all DSC files on disk
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* and presents the icons and descriptions in a window.
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*
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*/
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/*
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* Copyright (c) 2003, Adam Dunkels.
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* All rights reserved.
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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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* 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
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the Contiki desktop environment
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*
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* $Id: dsc.h,v 1.4 2008/10/14 12:46:39 nvt-se Exp $
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*
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*/
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#ifndef __DSC_H__
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#define __DSC_H__
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#include "ctk/ctk.h"
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/**
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* The DSC program description structure.
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*
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* The DSC structure is used for describing a Contiki program. It
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* includes a short textual description of the program, either the
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* name of the program on disk, or a pointer to the init() function,
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* and an icon for the program.
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*/
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struct dsc {
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char *description; /**< A text string containing a one-line
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description of the program */
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#if WITH_LOADER_ARCH
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char *prgname; /**< The name of the program on disk. */
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#else /* WITH_LOADER_ARCH */
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struct process *process; /**< A pointer to the program's process. */
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#endif /* WITH_LOADER_ARCH */
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#if CTK_CONF_ICONS
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struct ctk_icon *icon; /**< A pointer to the ctk_icon structure for
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the DSC. */
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#endif /* CTK_CONF_ICONS */
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#if WITH_LOADER_ARCH
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void *loadaddr; /**< The loading address of the DSC. Used by
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the LOADER_UNLOAD() function when
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deallocating the memory allocated for the
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DSC when loading it. */
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#endif /* WITH_LOADER_ARCH */
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};
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/**
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* Instantiating macro for the DSC structure.
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*
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* \param dscname The name of the C variable which is to contain the
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* DSC.
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*
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* \param description A one-line text describing the program.
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*
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* \param prgname The name of the program on disk.
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*
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* \param initfunc A pointer to the initialization function of the
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* program.
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*
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* \param icon A pointer to the CTK icon.
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*/
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#if WITH_LOADER_ARCH
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#if CTK_CONF_ICONS
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#define DSC(dscname, description, prgname, process, icon) \
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CLIF const struct dsc dscname = {description, prgname, icon}
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#else /* CTK_CONF_ICONS */
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#define DSC(dscname, description, prgname, process, icon) \
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CLIF const struct dsc dscname = {description, prgname}
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#endif /* CTK_CONF_ICONS */
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#else /* WITH_LOADER_ARCH */
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#if CTK_CONF_ICONS
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#define DSC(dscname, description, prgname, process, icon) \
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PROCESS_NAME(process); \
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const struct dsc dscname = {description, &process, icon}
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#else /* CTK_CONF_ICONS */
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#define DSC(dscname, description, prgname, process, icon) \
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PROCESS_NAME(process); \
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const struct dsc dscname = {description, &process}
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#endif /* CTK_CONF_ICONS */
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#endif /* WITH_LOADER_ARCH */
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#define DSC_HEADER(name) extern struct dsc name
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#ifndef NULL
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#define NULL 0
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#endif /* NULL */
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/** @} */
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#endif /* _DSC_H__ */
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