+
−/****************************************************************************/
+
−/*                                                                          */
+
−/*  File Name:  audio_sr_reco.c                                             */
+
−/*                                                                          */
+
−/*  Purpose:  This file contains all the functions used to manage the       */
+
−/*            recognition of a word for the speech recognition module.      */
+
−/*                                                                          */
+
−/*  Version   0.1                                                           */
+
−/*                                                                          */
+
−/*  Date        Modification                                                */
+
−/*  ------------------------------------                                    */
+
−/*  09 Oct. 2001 Create                                                     */
+
−/*                                                                          */
+
−/*  Author                                                                  */
+
−/*     Francois Mazard - Stephanie Gerthoux                                 */
+
−/*                                                                          */
+
−/* (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved*/
+
−/****************************************************************************/
+
−
+
−#include "rv/rv_defined_swe.h"
+
−#ifdef RVM_AUDIO_MAIN_SWE
+
−  #ifndef _WINDOWS
+
−    #include "config/swconfig.cfg"
+
−    #include "config/sys.cfg"
+
−    #include "config/chipset.cfg"
+
−  #endif
+
−
+
−  /* include the usefull L1 header */
+
−  #include "l1_confg.h"
+
−
+
−  #if (SPEECH_RECO)
+
−    #include "rv/rv_general.h"
+
−    #include "rvm/rvm_gen.h"
+
−    #include "audio/audio_features_i.h"
+
−    #include "audio/audio_ffs_i.h"
+
−    #include "audio/audio_api.h"
+
−    #include "audio/audio_structs_i.h"
+
−    #include "audio/audio_var_i.h"
+
−    #include "audio/audio_messages_i.h"
+
−    #include "rvf/rvf_target.h"
+
−    #include "audio/audio_const_i.h"
+
−    #include "audio/audio_error_hdlr_i.h"
+
−    #include "audio/audio_macro_i.h"
+
−
+
−    /* include the usefull L1 header */
+
−    #define BOOL_FLAG
+
−    #define CHAR_FLAG
+
−    #include "l1_types.h"
+
−    #include "l1audio_cust.h"
+
−    #include "l1audio_msgty.h"
+
−    #include "l1audio_signa.h"
+
−    #include "l1audio_cust.h"
+
−
+
−    #include <string.h>
+
−
+
−  /********************************************************************************/
+
−  /*                                                                              */
+
−  /*    Function Name:   audio_sr_reco_convert_parameter                          */
+
−  /*                                                                              */
+
−  /*    Purpose:  Convert the speech reco parameters from the entity to           */
+
−  /*              the l1 parameters                                               */
+
−  /*                                                                              */
+
−  /*    Input Parameters:                                                         */
+
−  /*        entity speech reco message                                            */
+
−  /*                                                                              */
+
−  /*    Output Parameters:                                                        */
+
−  /*        layer 1 speech reco message                                           */
+
−  /*                                                                              */
+
−  /*    Note:                                                                     */
+
−  /*        None.                                                                 */
+
−  /*                                                                              */
+
−  /*    Revision History:                                                         */
+
−  /*        None.                                                                 */
+
−  /*                                                                              */
+
−  /********************************************************************************/
+
−  void audio_sr_reco_convert_parameter( T_AUDIO_SR_RECO_START *entity_parameter,
+
−                                          T_MMI_SR_RECO_REQ *l1_parameter)
+
−  {
+
−    l1_parameter->database_id = 0;
+
−    l1_parameter->vocabulary_size = entity_parameter->vocabulary_size;
+
−  }
+
−
+
−  /********************************************************************************/
+
−  /*                                                                              */
+
−  /*    Function Name:   audio_sr_reco_send_status                                */
+
−  /*                                                                              */
+
−  /*    Purpose:  This function sends the speech reco status to the               */
+
−  /*              entity.                                                         */
+
−  /*                                                                              */
+
−  /*    Input Parameters:                                                         */
+
−  /*        status,                                                               */
+
−  /*        return path                                                           */
+
−  /*                                                                              */
+
−  /*    Output Parameters:                                                        */
+
−  /*        None.                                                                 */
+
−  /*                                                                              */
+
−  /*    Note:                                                                     */
+
−  /*        None.                                                                 */
+
−  /*                                                                              */
+
−  /*    Revision History:                                                         */
+
−  /*        None.                                                                 */
+
−  /*                                                                              */
+
−  /********************************************************************************/
+
−  void audio_sr_reco_send_status (T_AUDIO_RET status, UINT8 word_index, T_RV_RETURN return_path)
+
−  {
+
−    void  *p_send_message = NULL;
+
−    T_RVF_MB_STATUS mb_status = RVF_RED;
+
−    #ifndef _WINDOWS
+
−      UINT8   i;
+
−      char    *p_database;
+
−      char    *p_word_name;
+
−      UINT8   model_name_lengh;
+
−    #endif
+
−
+
−    while (mb_status == RVF_RED)
+
−    {
+
−     /* allocate the message buffer */
+
−      mb_status = rvf_get_buf (p_audio_gbl_var->mb_external,
+
−                               sizeof (T_AUDIO_SR_RECO_STATUS),
+
−                               (T_RVF_BUFFER **) (&p_send_message));
+
−
+
−      /* If insufficient resources, then report a memory error and abort.               */
+
−      /* and wait until more ressource is given */
+
−      if (mb_status == RVF_RED)
+
−      {
+
−        audio_sr_error_trace(AUDIO_ENTITY_NO_MEMORY);
+
−        rvf_delay(RVF_MS_TO_TICKS(1000));
+
−      }
+
−    }
+
−
+
−    /*fill the header of the message */
+
−    ((T_AUDIO_SR_RECO_STATUS *)(p_send_message))->os_hdr.msg_id = AUDIO_SR_RECO_STATUS_MSG;
+
−
+
−    if (status > 0)
+
−    {
+
−      status = (INT8)((-2) - status);
+
−    }
+
−
+
−    if (status == SC_NO_ERROR)
+
−    /* no error occured dring the recognition */
+
−    {
+
−      #ifndef _WINDOWS
+
−        /* search the name of the recognized word */
+
−        p_database = p_audio_gbl_var->speech_reco.sr_reco.p_database;
+
−        for(i=0; i< word_index; i++)
+
−        {
+
−          p_database += AUDIO_PATH_NAME_MAX_SIZE;
+
−        }
+
−
+
−        /* the _sr need to be suppress */
+
−        model_name_lengh = (strlen(p_database) - 3);
+
−
+
−        /* copy this path in the message */
+
−        strncpy(((T_AUDIO_SR_RECO_STATUS *)(p_send_message))->word_recognized,
+
−          p_database,
+
−          model_name_lengh);
+
−        p_word_name = (char *)(((T_AUDIO_SR_RECO_STATUS *)(p_send_message))->word_recognized);
+
−        p_word_name += model_name_lengh;
+
−        *p_word_name = 0;
+
−      #endif
+
−    }
+
−
+
−    /* fill the status parameters */
+
−    ((T_AUDIO_SR_RECO_STATUS *)(p_send_message))->status = status;
+
−
+
−    if (return_path.callback_func == NULL)
+
−    {
+
−      /* send the message to the entity */
+
−      rvf_send_msg (return_path.addr_id,
+
−                    p_send_message);
+
−    }
+
−    else
+
−    {
+
−      /* call the callback function */
+
−      (*return_path.callback_func)((void *)(p_send_message));
+
−	  rvf_free_buf((T_RVF_BUFFER *)p_send_message);
+
−    }
+
−  }
+
−
+
−  /********************************************************************************/
+
−  /*                                                                              */
+
−  /*    Function Name:   audio_sr_reco_manager                                    */
+
−  /*                                                                              */
+
−  /*    Purpose:  This function is called to manage a speech reco                 */
+
−  /*              process.                                                        */
+
−  /*                                                                              */
+
−  /*    Input Parameters:                                                         */
+
−  /*        Audio Speech reco reco Parameters,                                    */
+
−  /*                                                                              */
+
−  /*    Output Parameters:                                                        */
+
−  /*        None.                                                                 */
+
−  /*                                                                              */
+
−  /*    Note:                                                                     */
+
−  /*        None.                                                                 */
+
−  /*                                                                              */
+
−  /*    Revision History:                                                         */
+
−  /*        None.                                                                 */
+
−  /*                                                                              */
+
−  /********************************************************************************/
+
−  void audio_sr_reco_manager (T_RV_HDR *p_message)
+
−  {
+
−    /* Declare local variables.                                                   */
+
−    void      *p_send_message;
+
−
+
−    /**************** audio_sr_reco_manager function begins *********************/
+
−    switch(p_audio_gbl_var->speech_reco.sr_reco.state)
+
−    {
+
−      case AUDIO_SR_RECO_IDLE:
+
−        {
+
−          switch(p_message->msg_id)
+
−          {
+
−             case AUDIO_SR_RECO_START_REQ:
+
−              {
+
−                /* save the task id of the entity */
+
−                p_audio_gbl_var->speech_reco.sr_reco.task_id =
+
−                  ((T_AUDIO_SR_RECO_START*)(p_message))->os_hdr.src_addr_id;
+
−
+
−                /* save the return path */
+
−                p_audio_gbl_var->speech_reco.sr_reco.return_path.callback_func =
+
−                  ((T_AUDIO_SR_RECO_START*)(p_message))->return_path.callback_func;
+
−                p_audio_gbl_var->speech_reco.sr_reco.return_path.addr_id =
+
−                  ((T_AUDIO_SR_RECO_START*)(p_message))->return_path.addr_id;
+
−
+
−                /* save the message parameters */
+
−                p_audio_gbl_var->speech_reco.sr_reco.vocabulary_size =
+
−                  ((T_AUDIO_SR_RECO_START*)(p_message))->vocabulary_size;
+
−                p_audio_gbl_var->speech_reco.sr_reco.p_database =
+
−                  ((T_AUDIO_SR_RECO_START*)(p_message))->p_database;
+
−
+
−                /* allocate the buffer for the message to the L1 */
+
−                p_send_message = audio_allocate_l1_message(sizeof(T_MMI_SR_RECO_REQ));
+
−                if ( p_send_message != NULL)
+
−                {
+
−                  /* Convert the entity parameters to the audio L1 parameters */
+
−                  audio_sr_reco_convert_parameter((T_AUDIO_SR_RECO_START *)p_message,
+
−                                                    (T_MMI_SR_RECO_REQ *)p_send_message);
+
−
+
−                  /* send the start command to the audio L1 */
+
−                  audio_send_l1_message(MMI_SR_RECO_START_REQ, p_send_message);
+
−                }
+
−
+
−                /* change to the state AUDIO_SR_RECO_WAIT_START_CONFIRMATION */
+
−                p_audio_gbl_var->speech_reco.sr_reco.state = AUDIO_SR_RECO_WAIT_START_CON;
+
−               break;
+
−               }
+
−
+
−             case AUDIO_SR_RECO_STOP_REQ:
+
−              {
+
−                /* event error - send an error message*/
+
−                audio_sr_reco_send_status (AUDIO_ERROR, 0,
+
−                  ((T_AUDIO_SR_RECO_STOP *)(p_message))->return_path);
+
−
+
−                audio_sr_error_trace(AUDIO_ERROR_STOP_EVENT);
+
−                break;
+
−              }
+
−          }
+
−        break;
+
−        } /* case AUDIO_SR_RECO_IDLE */
+
−
+
−      case AUDIO_SR_RECO_WAIT_START_CON:
+
−        {
+
−          switch(p_message->msg_id)
+
−          {
+
−             case MMI_SR_RECO_START_CON:
+
−              {
+
−                /* change to the state AUDIO_SR_RECO_WAIT_STOP_COMMAND */
+
−              p_audio_gbl_var->speech_reco.sr_reco.state = AUDIO_SR_RECO_WAIT_STOP_COMMAND;
+
−              break;
+
−              }
+
−             case AUDIO_SR_RECO_STOP_REQ:
+
−               /*.Before stopping this task, control that                           */
+
−               /*          stop task id caller = SR reco task id                  */
+
−               {
+
−                 if ( p_audio_gbl_var->speech_reco.sr_reco.task_id ==
+
−                        ((T_AUDIO_SR_RECO_STOP*)(p_message))->os_hdr.src_addr_id)
+
−                 {
+
−                    /* save the return path */
+
−                    p_audio_gbl_var->speech_reco.sr_reco.return_path.callback_func =
+
−                      ((T_AUDIO_SR_RECO_STOP*)(p_message))->return_path.callback_func;
+
−                    p_audio_gbl_var->speech_reco.sr_reco.return_path.addr_id =
+
−                      ((T_AUDIO_SR_RECO_STOP*)(p_message))->return_path.addr_id;
+
−
+
−                    /* change to the state AUDIO_SR_RECO_WAIT_STOP_CONFIRMATION */
+
−                    p_audio_gbl_var->speech_reco.sr_reco.state = AUDIO_SR_RECO_WAIT_START_CON_TO_STOP;
+
−                 }
+
−                 else
+
−                 {
+
−                   /* A stop request from an other task is sent during a start connection */
+
−                   /* event error - send an error message  */
+
−                   audio_sr_reco_send_status (AUDIO_ERROR, 0,
+
−                     ((T_AUDIO_SR_RECO_STOP *)(p_message))->return_path);
+
−
+
−                   audio_sr_error_trace(AUDIO_ERROR_STOP_EVENT);
+
−                 }
+
−              break;
+
−              }
+
−            case AUDIO_SR_RECO_START_REQ:
+
−              {
+
−                /* deallocate the vocabulary data buffer */
+
−                rvf_free_buf(
+
−                  (T_RVF_BUFFER *)(((T_AUDIO_SR_RECO_START *)(p_message))->p_database));
+
−
+
−                /* event error - send an error message*/
+
−                audio_sr_reco_send_status (AUDIO_ERROR, 0,
+
−                  ((T_AUDIO_SR_RECO_START *)(p_message))->return_path);
+
−
+
−                audio_sr_error_trace(AUDIO_ERROR_START_EVENT);
+
−              break;
+
−              }
+
−          }
+
−        break;
+
−        } /* case AUDIO_SR_RECO_WAIT_START_CON */
+
−
+
−       case AUDIO_SR_RECO_WAIT_START_CON_TO_STOP:
+
−        {
+
−          switch(p_message->msg_id)
+
−          {
+
−             case MMI_SR_RECO_START_CON:
+
−              {
+
−                /* send the stop command to the audio L1 */
+
−                /* allocate the buffer for the message to the L1 */
+
−                p_send_message = audio_allocate_l1_message(0);
+
−                if ( p_send_message != NULL)
+
−                {
+
−                  /* send the start command to the audio L1 */
+
−                  audio_send_l1_message(MMI_SR_RECO_STOP_REQ, p_send_message);
+
−                }
+
−
+
−                /* change to the state AUDIO_SR_RECO_WAIT_STOP_CON */
+
−                p_audio_gbl_var->speech_reco.sr_reco.state = AUDIO_SR_RECO_WAIT_STOP_CON;
+
−               break;
+
−               }
+
−              case AUDIO_SR_RECO_START_REQ:
+
−              {
+
−                /* deallocate the vocabulary data buffer */
+
−                rvf_free_buf(
+
−                  (T_RVF_BUFFER *)(((T_AUDIO_SR_RECO_START *)(p_message))->p_database));
+
−
+
−                /* event error - send an error message*/
+
−                audio_sr_reco_send_status (AUDIO_ERROR, 0,
+
−                  ((T_AUDIO_SR_RECO_START *)(p_message))->return_path);
+
−
+
−                audio_sr_error_trace(AUDIO_ERROR_START_EVENT);
+
−              break;
+
−              }
+
−              case AUDIO_SR_RECO_STOP_REQ:
+
−              {
+
−                /* event error - send an error message*/
+
−                audio_sr_reco_send_status (AUDIO_ERROR, 0,
+
−                  ((T_AUDIO_SR_RECO_STOP *)(p_message))->return_path);
+
−
+
−                audio_sr_error_trace(AUDIO_ERROR_STOP_EVENT);
+
−              break;
+
−              }
+
−          }
+
−        break;
+
−        }
+
−
+
−       case AUDIO_SR_RECO_WAIT_STOP_COMMAND:
+
−        {
+
−          switch(p_message->msg_id)
+
−          {
+
−             case MMI_SR_RECO_STOP_CON:
+
−              {
+
−                /* deallocate the vocabulary data buffer */
+
−                rvf_free_buf(
+
−                  (T_RVF_BUFFER *)(p_audio_gbl_var->speech_reco.sr_reco.p_database));
+
−
+
−                audio_sr_reco_send_status (((T_MMI_SR_RECO_STOP_CON *)p_message)->error_id,
+
−                  (UINT8)((T_MMI_SR_RECO_STOP_CON *)p_message)->best_word_index,
+
−                  p_audio_gbl_var->speech_reco.sr_reco.return_path);
+
−
+
−                /* change to the state AUDIO_SR_RECO_IDLE */
+
−                p_audio_gbl_var->speech_reco.sr_reco.state = AUDIO_SR_RECO_IDLE;
+
−               break;
+
−              }
+
−
+
−             case AUDIO_SR_RECO_STOP_REQ:
+
−             {
+
−              /*.Before stopping this task, control that                           */
+
−              /*          stop task id caller = SR reco task id                  */
+
−              if ( p_audio_gbl_var->speech_reco.sr_reco.task_id ==
+
−                     ((T_AUDIO_SR_RECO_STOP*)(p_message))->os_hdr.src_addr_id)
+
−              {
+
−                /* save the return path */
+
−                p_audio_gbl_var->speech_reco.sr_reco.return_path.callback_func =
+
−                  ((T_AUDIO_SR_RECO_STOP*)(p_message))->return_path.callback_func;
+
−                p_audio_gbl_var->speech_reco.sr_reco.return_path.addr_id =
+
−                  ((T_AUDIO_SR_RECO_STOP*)(p_message))->return_path.addr_id;
+
−
+
−                /* send the stop command to the audio L1 */
+
−                /* allocate the buffer for the message to the L1 */
+
−                p_send_message = audio_allocate_l1_message(0);
+
−                if ( p_send_message != NULL)
+
−                {
+
−                  /* send the start command to the audio L1 */
+
−                  audio_send_l1_message(MMI_SR_RECO_STOP_REQ, p_send_message);
+
−                }
+
−
+
−                /* change to the state AUDIO_SR_RECO_WAIT_STOP_CONFIRMATION */
+
−                p_audio_gbl_var->speech_reco.sr_reco.state = AUDIO_SR_RECO_WAIT_STOP_CON;
+
−              }
+
−              else
+
−              {
+
−                /* A stop request from an other task is sent during a start connection */
+
−                /* event error - send an error message  */
+
−                audio_sr_reco_send_status (AUDIO_ERROR, 0,
+
−                  ((T_AUDIO_SR_RECO_STOP *)(p_message))->return_path);
+
−
+
−                audio_sr_error_trace(AUDIO_ERROR_STOP_EVENT);
+
−              }
+
−              break;
+
−            }
+
−
+
−            case AUDIO_SR_RECO_START_REQ:
+
−              {
+
−                /* deallocate the vocabulary data buffer */
+
−                rvf_free_buf(
+
−                  (T_RVF_BUFFER *)(((T_AUDIO_SR_RECO_START *)(p_message))->p_database));
+
−
+
−                /* event error - send an error message*/
+
−                audio_sr_reco_send_status (AUDIO_ERROR, 0,
+
−                  ((T_AUDIO_SR_RECO_START *)(p_message))->return_path);
+
−
+
−                audio_sr_error_trace(AUDIO_ERROR_START_EVENT);
+
−              break;
+
−              }
+
−          }
+
−        break;
+
−        } /* case AUDIO_SR_RECO_WAIT_STOP_COMMAND */
+
−
+
−        case AUDIO_SR_RECO_WAIT_STOP_CON:
+
−        {
+
−          switch(p_message->msg_id)
+
−          {
+
−             case MMI_SR_RECO_STOP_CON:
+
−              {
+
−                /* deallocate the vocabulary data buffer */
+
−                rvf_free_buf(
+
−                  (T_RVF_BUFFER *)(p_audio_gbl_var->speech_reco.sr_reco.p_database));
+
−
+
−                audio_sr_reco_send_status (((T_MMI_SR_RECO_STOP_CON *)p_message)->error_id,
+
−                  (UINT8)((T_MMI_SR_RECO_STOP_CON *)p_message)->best_word_index,
+
−                  p_audio_gbl_var->speech_reco.sr_reco.return_path);
+
−
+
−                /* change to the state AUDIO_SR_RECO_IDLE */
+
−                 p_audio_gbl_var->speech_reco.sr_reco.state = AUDIO_SR_RECO_IDLE;
+
−               break;
+
−               }
+
−             case AUDIO_SR_RECO_STOP_REQ:
+
−              {
+
−                /* event error - send an error message*/
+
−                audio_sr_reco_send_status (AUDIO_ERROR, 0,
+
−                  ((T_AUDIO_SR_RECO_STOP *)(p_message))->return_path);
+
−
+
−                audio_sr_error_trace(AUDIO_ERROR_STOP_EVENT);
+
−              break;
+
−              }
+
−            case AUDIO_SR_RECO_START_REQ:
+
−              {
+
−                /* deallocate the vocabulary data buffer */
+
−                rvf_free_buf(
+
−                  (T_RVF_BUFFER *)(((T_AUDIO_SR_RECO_START *)(p_message))->p_database));
+
−
+
−                /* event error - send an error message*/
+
−                audio_sr_reco_send_status (AUDIO_ERROR, 0,
+
−                  ((T_AUDIO_SR_RECO_START *)(p_message))->return_path);
+
−
+
−                audio_sr_error_trace(AUDIO_ERROR_START_EVENT);
+
−              break;
+
−              }
+
−          }
+
−        break;
+
−        } /* case AUDIO_SR_RECO_WAIT_STOP_CON */
+
−    } /* switch(p_audio_gbl_var->speech_reco.state) */
+
−  } /*********************** End of audio_sr_reco_manager function **********************/
+
−  #endif /*  #if (SPEECH_RECO) */
+
−#endif /* #ifdef RVM_AUDIO_MAIN_SWE */