utils/GenSM.h
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     1 /*
       
     2  * GenSM.h
       
     3  *
       
     4  * Copyright(c) 1998 - 2010 Texas Instruments. All rights reserved.      
       
     5  * All rights reserved.      
       
     6  * 
       
     7  * This program and the accompanying materials are made available under the 
       
     8  * terms of the Eclipse Public License v1.0 or BSD License which accompanies
       
     9  * this distribution. The Eclipse Public License is available at
       
    10  * http://www.eclipse.org/legal/epl-v10.html and the BSD License is as below.                                   
       
    11  *                                                                       
       
    12  * Redistribution and use in source and binary forms, with or without    
       
    13  * modification, are permitted provided that the following conditions    
       
    14  * are met:                                                              
       
    15  *                                                                       
       
    16  *  * Redistributions of source code must retain the above copyright     
       
    17  *    notice, this list of conditions and the following disclaimer.      
       
    18  *  * Redistributions in binary form must reproduce the above copyright  
       
    19  *    notice, this list of conditions and the following disclaimer in    
       
    20  *    the documentation and/or other materials provided with the         
       
    21  *    distribution.                                                      
       
    22  *  * Neither the name Texas Instruments nor the names of its            
       
    23  *    contributors may be used to endorse or promote products derived    
       
    24  *    from this software without specific prior written permission.      
       
    25  *                                                                       
       
    26  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS   
       
    27  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT     
       
    28  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
       
    29  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT  
       
    30  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
       
    31  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT      
       
    32  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
       
    33  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
       
    34  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT   
       
    35  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
       
    36  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
       
    37  */
       
    38 
       
    39 /** \file GenSM.h
       
    40  *  \brief Generic state machine declarations
       
    41  *
       
    42  *  \see GenSM.c
       
    43  */
       
    44 
       
    45 
       
    46 #ifndef __GENSM_H__
       
    47 #define __GENSM_H__
       
    48 
       
    49 #include "tidef.h"
       
    50 
       
    51 /* action function type definition */
       
    52 typedef void (*TGenSM_action) (void *pData);
       
    53 
       
    54 
       
    55 /* State/Event cell */
       
    56 typedef  struct
       
    57 {
       
    58     TI_UINT32       uNextState; /**< next state in transition */
       
    59     TGenSM_action   fAction;    /**< action function */
       
    60 } TGenSM_actionCell;
       
    61 
       
    62 
       
    63 
       
    64 /* 
       
    65  * matrix type 
       
    66  * Although the state-machine matrix is actually a two-dimensional array, it is treated as a single 
       
    67  * dimension array, since the size of each dimeansion is only known in run-time
       
    68  */
       
    69 typedef TGenSM_actionCell *TGenSM_matrix;
       
    70 
       
    71 TI_HANDLE   genSM_Create (TI_HANDLE hOS);
       
    72 void        genSM_Unload (TI_HANDLE hGenSM);
       
    73 void        genSM_Init (TI_HANDLE hGenSM, TI_HANDLE hReport);
       
    74 void        genSM_SetDefaults (TI_HANDLE hGenSM, TI_UINT32 uStateNum, TI_UINT32 uEventNum,
       
    75                         TGenSM_matrix pMatrix, TI_UINT32 uInitialState, TI_INT8 *pGenSMName, 
       
    76                         TI_INT8 **pStateDesc, TI_INT8 **pEventDesc, TI_UINT32 uModuleLogIndex);
       
    77 void        genSM_Event (TI_HANDLE hGenSM, TI_UINT32 uEvent, void *pData);
       
    78 TI_UINT32   genSM_GetCurrentState (TI_HANDLE hGenSM);
       
    79 
       
    80 #endif /* __GENSM_H__ */
       
    81