audio_power_up.cc

来自「Motorola synergy audio component」· CC 代码 · 共 502 行 · 第 1/2 页

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

    General Description: Functions needed for Audio Manager to run during power up.

====================================================================================================
                               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
-------------------------   ------------    ----------   -------------------------------------------
Ravi Subramanyan             05/25/2005     LIBff87431   Feature:13698 - MME support for ClearTalk Support 

Ravi Subramanyan             10/11/2003     LIBdd60209   Haptics Updates for E398
                                                         - Speakerphone compand parameters should follow 
                                                           haptics settings.

Ravi Subramanyan             09/09/2003     LIBdd34023   Need to add place holders in the code for future 
                                                         companding parameters

Ravi Subramanyan             08/15/2003     LIBdd30789   Modify the upper bound check for gain table to the 
                                                         exact size check

Ravi Subramanyan             08/08/2003     LIBdd25168   Move the compander parameters into the file system

Ravi Subramanyan             07/31/2003     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

Mark Taraba                  02/15/2000     CSGce27128   Initial file creation


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

#include  <ENGINE_AUDIO/aud_pwr_up.h>
#include  <ENGINE_AUDIO/am_c_utilities.h>
#include  <audio/AM_SendMessage.h>
#include  <ENGINE_AUDIO/aud_prim_ids.h>
#include  <audio/am_hw_primitive_builder_main.h>
#include  <ENGINE_HAPI/hapi_mdi_message_ids.h>

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

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

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

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

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

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

const W_CHAR audio_gains_flash[] = { '/','a','/','g','a','i','n','_','t','a','b','l','e','.','b','i','n',0};
const W_CHAR audio_params_flash[] = { '/','a','/','p','a','r','a','m','_','t','a','b','l','e','.','b','i','n',0};

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

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

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

FUNCTION: aud_read_gains

DESCRIPTION: 
   Reads the audio gains out of the file into the corresponding
   gain arrays at powerup.

ARGUMENTS PASSED:
   None
  
RETURN VALUE:
   None

PRE-CONDITIONS:
   None
 
POST-CONDITIONS:
   None

IMPORTANT NOTES:
   None

==================================================================================================*/
 
void
aud_read_gains (void)                                                           
{
    DL_FS_HANDLE_T file_handle;
    DL_FS_RESULT_T read_result , close_result;
    DL_FS_SIZE_T   file_size;
    UINT32         elem_read = 0;

    if (DL_FsFileExist (audio_gains_flash))
    {
        file_handle = DL_FsOpenFile(audio_gains_flash, DL_FS_READ_MODE, DL_FS_OWNER_AUDIO);

        file_size = DL_FsGetFileSize(file_handle);

        if ( ( file_handle != DL_FS_HANDLE_INVALID )
        &&   ( file_size == AM_HW_GAINS_TOTAL_BYTES ) )
        {
            /* This would read the gains currently stored in the file audio_gains into the
              array am_hw_gain_table */
            read_result = DL_FsReadFile( am_hw_gain_table, /* base address of base gain table   */
                                         AM_HW_GAINS_DATA_WIDTH, /* record size */
                                         AM_HW_NO_OF_GAIN_TBLS, /* No of records */
                                         file_handle,    /* File pointer to read from */
                                         &elem_read );   /* Variable to store number of suc reads */

            if ( ( read_result == DL_FS_RESULT_READ_SUCCESS )
            &&   ( elem_read   == AM_HW_NO_OF_GAIN_TBLS ) )
            {
                read_result = DL_FsReadFile( am_hw_vol_step_table, /* base address of vol step table */
                                             AM_HW_VOL_STEP_TBL_SIZE_IN_BYTES, /* record size */
                                             AM_HW_NO_OF_VOL_STEPS_TBLS,  /* No of records */
                                             file_handle,    /* File pointer to read from */
                                             &elem_read );   /* Variable to store number of suc reads */

                if ( ( read_result != DL_FS_RESULT_READ_SUCCESS )
                ||   ( elem_read   != AM_HW_NO_OF_VOL_STEPS_TBLS ) )
                {
                    /* Delete file before panicing so that the file can be flexed
                       in without reflashing the phone */
                    DL_FsDeleteFile(audio_gains_flash,DL_FS_OWNER_AUDIO) ; 
                    suPanic( AUD_LOG_GAINS_VOL_STEP_READ_ERROR, 0); 
                }
            } 
            else
            { 
                DL_FsDeleteFile(audio_gains_flash,DL_FS_OWNER_AUDIO) ; 
                suPanic( AUD_LOG_GAINS_BASE_GAIN_READ_ERROR, 0); 
            }                               
        }
        
        close_result = DL_FsCloseFile(file_handle);      
    }
}

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

FUNCTION: aud_read_params

DESCRIPTION: 
   Reads the audio parameters like companding, audio shaping, haptics coefficients, AVC parameters etc
   out of the file into the corresponding gain arrays at powerup.

ARGUMENTS PASSED:
   None
  
RETURN VALUE:
   None

PRE-CONDITIONS:
   None
 
POST-CONDITIONS:
   None

IMPORTANT NOTES:
   None

==================================================================================================*/
 
void
aud_read_params (void)                                                           
{
    DL_FS_HANDLE_T file_handle;
    DL_FS_RESULT_T read_result,  
                   close_result;
    DL_FS_SIZE_T   file_size;
    UINT32         elem_read = 0; 

    if (DL_FsFileExist (audio_params_flash))
    {
        file_handle = DL_FsOpenFile(audio_params_flash, DL_FS_READ_MODE, DL_FS_OWNER_AUDIO);

        file_size = DL_FsGetFileSize(file_handle);

        if ( ( file_handle != DL_FS_HANDLE_INVALID )
        &&   ( file_size == AM_AUDIO_PARAMS_TOTAL_BYTES ) )
        {
            read_result = DL_FsReadFile( am_audio_shaping_table_rx, /* base address of as rx table   */
                                         sizeof(UINT16), /* record size */
                                         (AM_COMP_TOTAL_NO_OF_PARAMETERS),  /* No of records */
                                         file_handle,    /* File pointer to read from */
                                         &elem_read );   /* Variable to store number of suc reads */

            if ( ( read_result != DL_FS_RESULT_READ_SUCCESS )
            ||   ( elem_read   != (AM_COMP_TOTAL_NO_OF_PARAMETERS) ) )
            {
                /* Delete file before panicing so that the file can be flexed
                   in without reflashing the phone */
                 DL_FsDeleteFile(audio_params_flash,DL_FS_OWNER_AUDIO) ; 
                 suPanic(AUD_LOG_AS_PARAMS_RX_READ_ERROR, 0);
            }

            read_result = DL_FsReadFile( am_audio_shaping_table_tx, /* base address of as tx table   */
                                         sizeof(UINT16), /* record size */
                                         (MCU_DSP_AUDIO_AS_FILTER_COEFFS_WORD_LEN + 1), /* No of records */
                                         file_handle,    /* File pointer to read from */
                                         &elem_read );   /* Variable to store number of suc reads */

            if ( ( read_result != DL_FS_RESULT_READ_SUCCESS )
            ||   ( elem_read   != (MCU_DSP_AUDIO_AS_FILTER_COEFFS_WORD_LEN + 1) ) )
            {
                /* Delete file before panicing so that the file can be flexed
                   in without reflashing the phone */
                 DL_FsDeleteFile(audio_params_flash,DL_FS_OWNER_AUDIO) ; 
                 suPanic(AUD_LOG_AS_PARAMS_TX_READ_ERROR, 0);
            }

            read_result = DL_FsReadFile( am_audio_shaping_table_st, /* base address of as st table   */
                                         sizeof(UINT16), /* record size */
                                         (MCU_DSP_AUDIO_AS_FILTER_COEFFS_WORD_LEN + 1), /* No of records */
                                         file_handle,    /* File pointer to read from */
                                         &elem_read );   /* Variable to store number of suc reads */

            if ( ( read_result != DL_FS_RESULT_READ_SUCCESS )
            ||   ( elem_read   != (MCU_DSP_AUDIO_AS_FILTER_COEFFS_WORD_LEN + 1) ) )
            {
                /* Delete file before panicing so that the file can be flexed
                   in without reflashing the phone */
                 DL_FsDeleteFile(audio_params_flash,DL_FS_OWNER_AUDIO) ;