am_server_task.c

Motorola synergy audio component

#ifdef __cplusplus
extern "C" {
#endif
/*==================================================================================================
                                                                               
    Module Name:  am_server_task.c

    General Description: This is the server task for the Audio Manager.

====================================================================================================
                               Motorola Confidential Proprietary
                           Advanced Technology and Software Operations
                        (c) Copyright Motorola 1999, All Rights Reserved
  

Revision History:

   Date       Author      Reference
   ========   ========    ================
   2004-11-05 w17860      LIBff24932
                          P4.4 Feature # 12583 Memory Reduction 
                          - Remove Voice Dial and Voice Tag

                            Modification     Tracking
Author                          Date          Number     Description of Changes
-------------------------   ------------    ----------   -------------------------------------------
Ravi Subramanyan            07/21/2003      LIBdd19939   Change Audio Gain Table design so that it can be BRed 
                                                         to common MME 

Ravi Subramanyan            05/30/2003      LIBbb96110   Single Binary audio gains

Chris Fries                 11/09/2000      CSGce79509   Added a semaphore

Mark Taraba                 08/08/2000      CSGce55882    Eliminate file gsm.h from audio manager

Chris Fries                 08/04/2000      CSGce68048   Adding datalogger

Steve Hagino                08/03/2000      CSGce67731   Make Audio Manager Ansi-Compliant

Bill Choi                   01/05/2000      CSGce39558   made this suapi compliant.

M. Gilot                    09/01/1999      CSGce34326   GRiEF: Stubout all Audio SEEM functions
                                                         calls
                                                         - First version

Portability: Indicate if this module is portable to other compilers or 
  platforms. If not, indicate specific reasons why is it not portable.


====================================================================================================
                                        INCLUDE FILES
==================================================================================================*/

#include <audio/am_server_task.h>
#include <audio/am_dspr.h>
#include <SYNERGY_DEVICE_LAYER/dl_ports.h>
#include <SUAPI/suapi.h>
#include <ENGINE_AUDIO/aud_pwr_up.h>
#include <ENGINE_AUDIO/audio_conditional_compile_def.h>
#include <ENGINE_AUDIO/am_c_utilities.h>

/*==================================================================================================
                                 LOCAL FUNCTION PROTOTYPES
==================================================================================================*/
                                                            

/*==================================================================================================
                                     LOCAL CONSTANTS
==================================================================================================*/


/*==================================================================================================
                          LOCAL TYPEDEFS (STRUCTURES, UNIONS, ENUMS)
==================================================================================================*/


/*==================================================================================================
                                        LOCAL MACROS
==================================================================================================*/


/*==================================================================================================
                                      LOCAL VARIABLES
==================================================================================================*/


/*==================================================================================================
                                     GLOBAL VARIABLES
==================================================================================================*/

SU_TASK_HANDLE  am_server_task_handle;
SU_QUEUE_HANDLE am_server_task_queue;
SU_PORT_HANDLE  am_server_task_port;
SU_EVNUM        am_server_msg_event_number;
SU_EVMASK       am_server_msg_event_mask;

SU_PORT_HANDLE  DeviceLayerVAPortHandle;
SU_PORT_HANDLE  DeviceLayerVRPortHandle;

SU_QUEUE_HANDLE am_reply_queue;
SU_PORT_HANDLE am_reply_port;

SU_SEMA_HANDLE sem_abort_complete;
SU_SEMA_HANDLE sem_low_power;



/*==================================================================================================
                                     LOCAL FUNCTIONS
==================================================================================================*/


/*==================================================================================================
                                       GLOBAL FUNCTIONS
==================================================================================================*/

/*==================================================================================================

FUNCTION: am_server_task   

DESCRIPTION:
   This function is the entry point to the Audio Manager Task

ARGUMENTS PASSED:
   None
    
RETURN VALUE:
   None

PRE-CONDITIONS:
   None
 
POST-CONDITIONS:
   None

IMPORTANT NOTES:
   None
==================================================================================================*/

void 
am_server_task(void)
{
    SU_RET_STATUS err;

    /* find the port handles if they are not found go ahead and continue, the port handles will become
       invalid and we will just send the messages off into space... I think???
       the reason why we want to timeout the call is due to the testing of the engine, if we don't time
       out the find name, the engine will not run without the device layer applications linked in 
       the only thing that this may screw up is the VA/VR and thats under our control anyway. */

#if (MAKE_FTR_VA == TRUE)
    DeviceLayerVAPortHandle = (SU_PORT_HANDLE)suFindName(DL_PORT_NAME_MEDIA_VA_SP, 10000, &err);
#endif

#if (MAKE_FTR_VR == TRUE)
    DeviceLayerVRPortHandle = (SU_PORT_HANDLE)suFindName(DL_PORT_NAME_MEDIA_VR_SP, 10000, &err);
#endif

    am_server_task_queue       = suCreateQueue(NULL);
    am_reply_queue             = suCreateQueue(NULL);

    am_server_task_handle      = suGetSelfHandle();

    am_server_task_port        = suCreatePortFromQueue(am_server_task_queue, 1, NULL);
    am_reply_port              = suCreatePortFromQueue(am_reply_queue, 1,NULL);

    suRegisterPortName("p/AUD/SRVR", am_server_task_port, NULL);
    suRegisterPortName("p/AUD/RPLY", am_reply_port, NULL);


    am_server_msg_event_number = suAllocEvent(&err);
    am_server_msg_event_mask   = suEvnumToEvmask(am_server_msg_event_number);

    sem_abort_complete = suCreateBSem(SU_SEM_LOCKED, NULL);
    sem_low_power = suCreateBSem(SU_SEM_LOCKED, NULL);

    /* This function needs to be called at powerup to read the gains from the file system back
       into the array of structure created for this. */    
    aud_read_gains();
    /* This function needs to be called at powerup to read the audio parameters from the file 
       system back into the array of structure created for this. */   
    aud_read_params(); 

    /*  Set up a timer to prevent toggling the audio power IC too often. */
    am_timer_init( );
  
    AM_DSPR_receive_primitives();
}

/*================================================================================================*/
#ifdef __cplusplus
}
#endif