+
−/*
+
−+-----------------------------------------------------------------------------
+
−|  Project :  GSM-PS (6147)
+
−|  Modul   :  AOC
+
−+-----------------------------------------------------------------------------
+
−|  Copyright 2002 Texas Instruments Berlin, AG
+
−|                 All rights reserved.
+
−|
+
−|                 This file is confidential and a trade secret of Texas
+
−|                 Instruments Berlin, AG
+
−|                 The receipt of or possession of this file does not convey
+
−|                 any rights to reproduce or disclose its contents or to
+
−|                 manufacture, use, or sell anything it may describe, in
+
−|                 whole, or in part, without the specific written consent of
+
−|                 Texas Instruments Berlin, AG.
+
−+-----------------------------------------------------------------------------
+
−|  Purpose :  This module defines the functions for the high level audio 
+
−              driver interface.
+
−+-----------------------------------------------------------------------------
+
−*/
+
−
+
−
+
−#ifndef HL_AUDIO_DRV_C
+
−#define HL_AUDIO_DRV_C
+
−#endif
+
−
+
−#include "aci_all.h"
+
−#include "aci_cmh.h"
+
−#include "aci.h"
+
−#include "psa.h"
+
−#include "hl_audio_drv.h"
+
−
+
−
+
−
+
−/* ===============GLOBAL VARIABLES====================*/
+
−
+
−LOCAL T_HL_VOCODER_STATE currVocoderState;
+
−
+
−/* This flag helps enable the vocoder interface testing for
+
−   specific tescases 
+
−*/
+
−#ifdef _SIMULATION_
+
−BOOL vocoder_tst_flag; 
+
−#endif
+
−
+
−
+
−/* =============FUNCTION DEFINITIONS FOR L1===========*/
+
−#ifndef _SIMULATION_
+
−#ifdef VOCODER_FUNC_INTERFACE
+
−void vocoder_mute_dl( BOOL mute );
+
−void vocoder_mute_ul( BOOL mute );
+
−void enable_tch_vocoder (BOOL vocoder_on);
+
−#endif /* VOCODER_FUNC_INTERFACE */
+
−#endif /* _SIMULATION_ */
+
−
+
−
+
−/*================= FUNCTIONS ========================*/
+
−
+
−/*
+
−+-------------------------------------------------------------------+
+
−| PROJECT : GSM-PS (6147)         MODULE  : HL_AUDIO_DRV            |
+
−|                                 ROUTINE : hl_audio_drv_init       |
+
−+-------------------------------------------------------------------+
+
−
+
−  PURPOSE : This function is called to initialise the variables in 
+
−            the High Level Audio driver
+
−*/
+
−GLOBAL void hl_audio_drv_init (void)
+
−{
+
−  TRACE_FUNCTION("hl_audio_drv_init()");
+
−
+
−  currVocoderState = HL_VOCODER_DISABLED;
+
−#ifdef _SIMULATION_
+
−  vocoder_tst_flag = FALSE;
+
−#endif
+
−
+
−}
+
−
+
−
+
−/*
+
−+-------------------------------------------------------------------+
+
−| PROJECT : GSM-PS (6147)         MODULE  : HL_AUDIO_DRV            |
+
−|                                 ROUTINE : hl_drv_enable_vocoder   |
+
−+-------------------------------------------------------------------+
+
−
+
−  PURPOSE : This function is called to initialise the variables in 
+
−            the High Level Audio driver
+
−*/
+
−GLOBAL T_HL_VOICE_DRV_RSLT hl_drv_enable_vocoder ( void )
+
−{
+
−  TRACE_FUNCTION("hl_drv_enable_vocoder()");
+
−  /* If the vocoder is already enabled, then ignore the request */
+
−  switch(currVocoderState)
+
−  {
+
−    case HL_VOCODER_ENABLED:
+
−      TRACE_EVENT("*--Vocoder already active--*");
+
−      return HL_VOICE_DRV_SUCC;
+
−
+
−    case HL_VOCODER_ENABLE_REQ:
+
−      TRACE_EVENT("*--Vocoder cannot be enabled--*");
+
−      return HL_VOICE_DRV_FAIL;
+
−
+
−    case HL_VOCODER_DISABLED:
+
−      break;
+
−  }
+
−
+
−#ifdef _SIMULATION_
+
−  if (vocoder_tst_flag)
+
−#endif
+
−  {
+
−#ifndef VOCODER_FUNC_INTERFACE
+
−  {
+
−    PALLOC(mmi_tch_vocoder_cfg_req, MMI_TCH_VOCODER_CFG_REQ);
+
−      mmi_tch_vocoder_cfg_req->vocoder_state = VOCODER_ENABLE;
+
−    PSENDX(L1, mmi_tch_vocoder_cfg_req);
+
−  }
+
−    currVocoderState = HL_VOCODER_ENABLE_REQ;
+
−#else
+
−#ifndef _SIMULATION_
+
−    TRACE_EVENT("Function interface for Vocoder");
+
−    enable_tch_vocoder(TRUE);
+
−    vocoder_mute_dl (FALSE);      /* un-mute speaker    */
+
−    vocoder_mute_ul (FALSE);      /* un-mute microphone */
+
−    currVocoderState = HL_VOCODER_ENABLED;
+
−#endif /* _SIMULATION_ */
+
−#endif
+
−  }
+
−  return HL_VOICE_DRV_SUCC;
+
−}
+
−
+
−/*
+
−+-------------------------------------------------------------------+
+
−| PROJECT : GSM-PS (6147)         MODULE  : HL_AUDIO_DRV            |
+
−|                                 ROUTINE : hl_drv_disable_vocoder  |
+
−+-------------------------------------------------------------------+
+
−
+
−  PURPOSE : This function is called to initialise the variables in 
+
−            the High Level Audio driver
+
−*/
+
−GLOBAL void hl_drv_disable_vocoder ( void )
+
−{
+
−  TRACE_FUNCTION("hl_drv_disable_vocoder()");
+
−
+
−  currVocoderState = HL_VOCODER_DISABLED;
+
−#ifndef VOCODER_FUNC_INTERFACE
+
−  /* Do nothing in this case */
+
−#else
+
−#ifndef _SIMULATION_
+
−  TRACE_EVENT("Function interface for Vocoder");
+
−  vocoder_mute_dl (TRUE);       /* mute speaker    */
+
−  vocoder_mute_ul (TRUE);       /* mute microphone */
+
−  enable_tch_vocoder (FALSE);   /* disable vocoder */
+
−#endif
+
−#endif
+
−}
+
−
+
−
+
−/*
+
−+-------------------------------------------------------------------+
+
−| PROJECT : GSM-PS (6147)        MODULE  : HL_AUDIO_DRV             |
+
−|                                ROUTINE : hl_drv_get_vocoder_state |
+
−+-------------------------------------------------------------------+
+
−
+
−  PURPOSE : This function returns the state of the vocoder
+
−*/
+
−
+
−GLOBAL T_HL_VOCODER_STATE hl_drv_get_vocoder_state (void)
+
−{
+
−  return currVocoderState;
+
−}
+
−
+
−#ifndef VOCODER_FUNC_INTERFACE
+
−/*
+
−+-------------------------------------------------------------------+
+
−| PROJECT : GSM-PS (6147)        MODULE  : HL_AUDIO_DRV             |
+
−|                                ROUTINE : hl_drv_vocoder_enabled   |
+
−+-------------------------------------------------------------------+
+
−
+
−  PURPOSE : Currently this function does nothing
+
−*/
+
−
+
−GLOBAL void hl_drv_vocoder_enabled (void)
+
−{
+
−  TRACE_FUNCTION("hl_drv_vocoder_enabled()");
+
−  currVocoderState = HL_VOCODER_ENABLED;
+
−}
+
−#endif
+
−
+
−#ifdef _SIMULATION_
+
−/*
+
−+-------------------------------------------------------------------+
+
−| PROJECT : GSM-PS (6147)        MODULE  : HL_AUDIO_DRV             |
+
−|                                ROUTINE : hl_audio_drv_initForTest |
+
−+-------------------------------------------------------------------+
+
−
+
−  PURPOSE : Initialise global variables related to simulaed 
+
−*/
+
−
+
−GLOBAL void hl_audio_drv_initForTest(void)
+
−{
+
−  vocoder_tst_flag = TRUE;
+
−}
+
−#endif