fs10msgapi.c

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/*****************************************************************************
 .......................................................................
.                COPYRIGHT (c) Philips Semiconductors Nuremberg 2003    .
.     All rights are reserved. Reproduction in whole or in part is      .
.     prohibited without the written consent of the copyright owner.    .
 .......................................................................
.. File name :    Fs10MsgApi.c
.. Project :      SSYOL3 WAP/MMS
.. Module :       OSFS
.. %version:      1.1.1 %
.. Compiler name and release:
..
.............:........:..........:............:...............................*
 *----------------------------------------------------------------------------*
 *                              DESCRIPTION
 *          Thus file contains the interface with the kernel, it waits 
 *	    on objects recived through the kernel and calls the appropriate
 *	    treatement.
 *                      
 *----------------------------------------------------------------------------*
 *----------------------------------------------------------------------------*
 *                           FUNCTIONS DEFINED IN THIS FILE
 *----------------------------------------------------------------------------*
 * Name                          | Object
 *----------------------------------------------------------------------------*
 * Fs10_00FileServer             | 
 * Fs10_01TestFsMbxTO            |
 * Fs10_02InsertInJobs           |
 * Fs10_03Schedule               |
 * Fs10_04SendCmdMessageToFs     |
 * Fs10_05InitMsgApi             |
 * Fs10_06SendMsgToApp           |
 *----------------------------------------------------------------------------*
 *                                    EVOLUTION
 *----------------------------------------------------------------------------*
 * Date      | Author      | Description
 *----------------------------------------------------------------------------*
 * 31.03.03  | tcmc_sgp    |  addition of exception handle, file header,
 *                            function header and commments
 * 02.05.03  | tcmc_sgp    |  addition of function SendMsgToApp and a
 *                            mechanism to handle IND msg is added 
 *----------------------------------------------------------------------------*
 *****************************************************************************/

#define ACCESS_RIGHTS_INTERNAL_FS
#define FS10MSGAPI_C


#include "Fs.h"

#define	MODULE_NUMBER	MODULE_OSFS
#undef  FILE_NUMBER
#define FILE_NUMBER 10 

#ifdef FSS_FTR

u32 *	pp_TabCommandID;

/* This table contains adresses functions of FS commands */
/*-------------------------------------------------------*/ 
void (*a_FsTabFct[])(void*) = {
	Fs20_01FOpen,
	Fs21_01FClose,
	Fs22_01Remove,
	Fs23_01Rename,
	Fs24_01SetVBuff,
	Fs25_01FTell,
	Fs26_01FSeek,
	Fs27_01Rewind,
	Fs28_01Stat,
	Fs29_01Flush,
	Fs30_01Feof,
	Fs31_01Fwrite,
	Fs32_01FRead,

	Fs39_01GetVolInfo,

	Fs41_01ClearAllVolObj,

	Fs44_01FreezeVolume,
	Fs45_01UnFreezeVolume,

	Fs46_01MakeDir,
	Fs47_01RmDir,
	Fs48_01ChDir,
	Fs49_01GetCwd,
	Fs50_01OpenDir,
	Fs51_01CloseDir,
	Fs52_01ReadDir,
	Fs53_01RewindDir,
	Fs54_01FormatVol,
	Fs55_01GetFileAddress,
	Fs56_01GarbageVolume,
	Fs57_01GetFilesAddrOfDir
#if defined(SYNCHRONOUS_FILE_SYSTEM_FTR)
        ,
        Fs58_01SetSize
#endif /* SYNCHRONOUS_FILE_SYSTEM_FTR */
     };	

#endif /* FSS_FTR */




/* Contains FSS kernel task number */
/*---------------------------------*/
u8 v_CurrentTask;

#ifdef FSS_FTR

/* Flag containing if a JOB is or not running */
/*--------------------------------------------*/
u8  v_JobActive = 0;


/* Reservation of locals JOB queue */
/*---------------------------------*/
t_RtkQueue	s_JobQueue;

/* Command identifier returned to caller */
/*---------------------------------------*/
u32 v_CommandID = 0;

/* Process name of FS and interface shifted */
/*------------------------------------------*/
u16	v_Interface;
u8 	v_FsProcessName;

#endif /* FSS_FTR */


/*P(***************************************************************************
* Procedure name : Fs10_00FileServer		     	 	              
* Object :    Entry point for FSS    
*-----------------------------------------------------------------------------
* Input parameters  :                                                        
* -------------------                                                        
*		none   							      
*									      
* Output parameters :                                                        
* -------------------                                                        
*		none							      
*									      
* Used variables    :                                                       
* -------------------
*
* Used procedure
*
* -------------------                                                        
*               - MC_RTK_RECEIVE                                               
*                                                                            
*-----------------------------------------------------------------------------
*-----------------------------------------------------------------------------
*                                    DESCRIPTION                             
*                                                                            
*	This function is a entry point for FSS. It runs in infinite loop to
*       call the message receive process and sehedular function to act upon. 
*									      
*-----------------------------------------------------------------------------
***************************************************************************)P*/

#undef PROCEDURE_NUMBER 
#define PROCEDURE_NUMBER 0

void Fs10_00FileServer(void)
{
   t_RtkObject		sl_ReceivedObject;
   u8			vl_CurrentTask = MC_RTK_CURRENT_TASK;

#ifdef FSS_FTR
    /* Creates communication structure */		   
    t_LayerCommunication s_LayerCom; 
#endif /* FSS_FTR */

    /* Store FS task number to allow the test of the mailbox made from the
	following function */
    v_CurrentTask = vl_CurrentTask;

#ifdef FSS_FTR
    /* Init thread on this communication structure */
    MC_FS_LL_THREAD_COMM_INIT( &s_LayerCom, 0);
#endif /* FSS_FTR */


    /* Infinite loop of the task */
    for (;;)
    {
	/* Receive timers or messages only */
	MC_RTK_RECEIVE( v_CurrentTask, &sl_ReceivedObject);

#ifdef FSS_FTR
	/* If an object is available insert it in job list 
		( creates threads .....  ) */
	Fs10_02InsertInJobs(&sl_ReceivedObject);

        /* Schedule to run new object */
        Fs10_03Schedule();
#endif /* FSS_FTR */
    }
}


#ifdef FSS_FTR

/*P(***************************************************************************
* Procedure name : Fs10_01TestFsMbxTO		     	 	              
* Object :    Test if objects are in FS mailbox and take they in account     
*-----------------------------------------------------------------------------
* Input parameters  :                                                        
* -------------------                                                        
*		none   							      
*									      
* Output parameters :                                                        
* -------------------                                                        
*		none							      
*									      
* Used variables    :                                                       
* -------------------
*
* Used procedure
*
* -------------------                                                        
*            - MC_RTK_CURRENT_TASK                                          
*            - MC_RTK_TEST_RECEIVE
*
*-----------------------------------------------------------------------------
*-----------------------------------------------------------------------------
*                                    DESCRIPTION                             
*                                                                            
*	This function is to call periodically  from all layers from FSS       
*	to test if in new objects are in mailbox, take they in account     
*	and if needed switch on this new treatement.			      
* 	It is also possible to use this function to give hand back to 	     
*	allow lower priority tasks to run			      
*									      
*-----------------------------------------------------------------------------
***************************************************************************)P*/
#undef PROCEDURE_NUMBER 
#define PROCEDURE_NUMBER 1

void Fs10_01TestFsMbxTO(void)
{
   register u8	vl_CurrentTask = MC_RTK_CURRENT_TASK;

    /* If we are not in FS task so no internal thread switch can be made
       return */
    if ( vl_CurrentTask != v_CurrentTask ) return;

    /* Extract objects from the mailbox and if possible create the new job(s)
       -  If needed reschedule ( new jobs have a greather priority ) */
    {
        t_RtkObject	sl_ReceivedObject;
        register u8	vl_ReschedulingAsked = 0;
 
        for (;;)
        {
	    /* If no objects break */ 
	    if ( MC_RTK_TEST_RECEIVE( vl_CurrentTask, &sl_ReceivedObject)
		 == RTK_NO_MESSAGE ) break;

	    /* If an object is available insert it in job list 
		( creates threads .....  ) */
	    else vl_ReschedulingAsked |=
		     Fs10_02InsertInJobs(&sl_ReceivedObject);
    	}

        /* If a work more prioritized to do reschedule */
        if ( vl_ReschedulingAsked ) Fs10_03Schedule();
    }

}

/*P(***************************************************************************
* Procedure name : Fs10_02InsertInJobs		     	 	              
* Object :    Put the message received into pending job list     
*-----------------------------------------------------------------------------
* Input parameters  :