taskinit.c

MTK手机平台的MMI部分的源代码

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2005
*
*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
*  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
*  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
*  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
*  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. 
*
*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 * TaskInit.c
 *
 * Project:
 * --------
 *   MAUI
 *
 * Description:
 * ------------
 *   Initilize the task structure for the entire application. Functions to allocate task resources, 
 *   create task communication interfaces and synchronization mechanism for common resource sharing.
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/

#include "GlobalConstants.h"
#ifdef MMI_ON_WIN32

#include "stdC.h"
#include "ThrdOsInterface.h"
#include "DebugInitDef.h"
#include "EventsGprot.h"
#include "WrapperGprot.h"
#include "AllAppGprot.h"
#include "WrapperGprot.h"
#include "DebugInitProt.h"
#include "OslGexdcl.h"
#include "taskinit.h"
#include "queuegprot.h"
#include "MMItaskProt.h"

/***************************************************************************** 
* Define
*****************************************************************************/

/***************************************************************************** 
* Typedef 
*****************************************************************************/

/***************************************************************************** 
* Local Variable
*****************************************************************************/

/***************************************************************************** 
* Local Function
*****************************************************************************/

/***************************************************************************** 
* Global Variable
*****************************************************************************/
osl_task_info task_info_g1[TOTAL_TASKS];
oslTimerid TimerCallBackHdlr;
CRITICAL_SECTION TimerCS;
oslSoftTimerid TimerId[MAX_TIMERS];
const osl_task_create_info task_create_tbl[TOTAL_TASKS] = 
{
    {"DUM1 TASK", "DUM1 Q", 127, 128, 0, Dummy_task},
    {"DUM2 TASK", "DUM2 Q", 127, 128, MAX_PRT_NODES, Dummy_task},
    {"MMI TASK", "MMI Q", 127, 4096, MAX_PRT_NODES, MMI_task},
    {"DUM3 TASK", "DUM3 Q", 127, 128, 0, Dummy_task},
};

/***************************************************************************** 
* Global Function
*****************************************************************************/
extern void TimerCallBack(void *param);


/*****************************************************************************
 * FUNCTION
 *  Dummy_task
 * DESCRIPTION
 *  read a messages & diapatche it to proper handler
 *  
 *  This is used to read a messages & diapatche it to proper handler
 * PARAMETERS
 *  entry_param     [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void Dummy_task(oslEntryType *entry_param)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
}


/*****************************************************************************
 * FUNCTION
 *  InitApplication
 * DESCRIPTION
 *  Create/Inititialize trace mechanism,task queues, semaphores,Threads etc..
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
void InitApplication()
{
#ifdef MMI_ON_WIN32
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    int i;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    DebugInit();
    for (i = 0; i < MAX_TIMERS; i++)
    {
        TimerId[i] = NULL;
    }
    InitializeCriticalSection(&TimerCS);
    TimerCallBackHdlr = OslCreateTimer("TIMER");
    OslSetTimer(TimerCallBackHdlr, TimerCallBack, 0, TIMER_CALLBACK_RESOLUTION);        /* 100 msec soft timer */
    for (i = 0; i < TOTAL_TASKS - 9; i++)
    {
        task_info_g1[i + 9].task_ext_qid = OslCreateMsgQ(
                                            task_create_tbl[i].task_qname,
                                            sizeof(MYQUEUE),
                                            task_create_tbl[i].task_ext_qsize);
        task_info_g1[i + 9].task_id = osl_create_task(
                                        task_create_tbl[i].task_name,
                                        task_create_tbl[i].task_priority,
                                        task_create_tbl[i].task_stack_size,
                                        task_create_tbl[i].task_entry_func,
                                        (void*)(i + 9),
                                        0);

        task_info_g1[i + 9].task_name = task_create_tbl[i].task_name;
        task_info_g1[i + 9].task_priority = task_create_tbl[i].task_priority;
        task_info_g1[i + 9].task_stack_size = task_create_tbl[i].task_stack_size;
        task_info_g1[i + 9].task_entry_func = task_create_tbl[i].task_entry_func;

        task_info_g1[i + 9].task_qname = task_create_tbl[i].task_qname;
        task_info_g1[i + 9].task_ext_qsize = task_create_tbl[i].task_ext_qsize;

    }
#endif /* MMI_ON_WIN32 */ 
}


/*****************************************************************************
 * FUNCTION
 *  TimerCallBack
 * DESCRIPTION
 *  Soft Timer Handler for Windows.
 * PARAMETERS
 *  param       [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void TimerCallBack(void *param)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    U16 i;
    void *tmr_callback_arg = NULL;
    oslTaskFuncPtr tmr_callback = NULL;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    EnterCriticalSection(&TimerCS);
    for (i = 0; i < MAX_TIMERS; i++)
    {
        if (TimerId[i] != NULL)
        {
            TimerId[i]->tmr_count -= TIMER_CALLBACK_RESOLUTION;
            if (TimerId[i]->tmr_count == 0)
            {
                tmr_callback_arg = TimerId[i]->tmr_callback_arg;
                tmr_callback = TimerId[i]->tmr_callback;
                OslMfree(TimerId[i]);
                TimerId[i] = NULL;
                LeaveCriticalSection(&TimerCS);
                /* 
                 * Before execute timer_expiry_callback, leave the 
                 * criticalsection first. It avoids the deadlock that
                 * if start/stop the timer in tmr_callback().
                 */
                if (tmr_callback != NULL)
                {
                    tmr_callback(tmr_callback_arg);
                }
                /*
                 * Before continuing search the next 
                 * timer_expiry_callback, enter the critical section first.
                 */
                EnterCriticalSection(&TimerCS);
            }
        }
    }
    LeaveCriticalSection(&TimerCS);
}
#endif /* MMI_ON_WIN32 */ 

#ifndef MMI_ON_WIN32
/*************************************************************************
 * Include Statements
 *************************************************************************/
#include "kal_release.h"
#include "stack_types.h"
#include "syscomp_config.h"
#include "taskinit.h"
#include "stack_buff_pool.h"
#include "ctrl_buff_pool.h"
#include "PixtelDataTypes.h"

/***************************************************************************** 
* Global Function
*****************************************************************************/
extern void MMI_task(oslEntryType *entry_param);
extern MMI_BOOL MMI_Init(task_indx_type task_indx);


/*****************************************************************************
 * FUNCTION
 *  mmi_create
 * DESCRIPTION
 *  MMI task create function for system service.
 * PARAMETERS
 *  handle      [IN]            
 *  a(?)        [IN/OUT]        Handle: provide the create task related routine function.
 * RETURNS
 *  The result is ok or not.
 *****************************************************************************/
kal_bool mmi_create(comptask_handler_struct **handle)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    static comptask_handler_struct mmi_handler_info = 
    {
        MMI_task,   /* task entry function */
        MMI_Init,   /* task initialization function */
        NULL,
        NULL,       /* task reset handler */
        NULL,       /* task termination handler */
    };

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    *handle = &mmi_handler_info;
    return KAL_TRUE;
}

#endif /* MMI_ON_WIN32 */