aud_data_req.c

来自「Motorola synergy audio component」· C语言 代码 · 共 111 行

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

    General Description: Utility function to send data request primitives to the Audio Manager. 

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

Revision History:
                            Modification     Tracking
Author                          Date          Number     Description of Changes
-------------------------   ------------    ----------   -------------------------------------------
Kevin Tang                  04/03/2000      CSGce53448   Added function aud_data_req



Portability: This module is portable to other compilers.


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

#include  <ENGINE_AUDIO/aud_prim_ids.h>
#include  <audio/aud_data_req.h>    
#include  <ENGINE_AUDIO/td_aud_data_req_type.h>
#include  <audio/AM_SendMessage.h>

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

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

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

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

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

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

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

FUNCTION: aud_data_req          

DESCRIPTION:
   This functions makes requests of the Audio Manager to start / stop data transfer.

ARGUMENTS PASSED:
   data_req - The request type of data transfer.
    
RETURN VALUE:
   None

PRE-CONDITIONS:
   None
 
POST-CONDITIONS:
   None

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

void
aud_data_req(TD_AUD_DATA_REQ_TYPE_T req_type)
{
    char *msgptr;

    /* Get memory to build the primitive */
    msgptr = suCreateMessage((UINT32)sizeof(AUD_DATA_REQ), (UINT32)AUD_DATA_REQ_ID, SU_INVALID_HANDLE, NULL);

    /* Fill in tone info */
	((AUD_DATA_REQ*)msgptr)->req_type   = req_type;

    /* Send Message to the Audio Manager */
    AM_SendMessage(msgptr);
    ;
}

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