aud_ctm.c

最新MTK手机软件源码

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2005
*
*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
*  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
*  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
*  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
*  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. 
*
*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/

/*******************************************************************************
 * Filename:
 * ---------
 * aud_ctm.c
 *
 * Project:
 * --------
 *   Maui
 *
 * Description:
 * ------------
 *   This file includes CTM service functions
 *
 * Author:
 * -------
 * -------
 *
 *==============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!! 
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 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!! 
 *==============================================================================
 *******************************************************************************/

#ifndef MED_NOT_PRESENT

/*==== INCLUDES =========*/
#include "kal_release.h"
#include "kal_trace.h"
#include "stack_common.h"
#include "stack_msgs.h"
#include "app_ltlcom.h" /* Task message communiction */
#include "syscomp_config.h"
#include "task_config.h"        /* Task creation */
#include "stacklib.h"   /* Basic type for dll, evshed, stacktimer */
#include "event_shed.h" /* Event scheduler */
#include "stack_timer.h"        /* Stack timer */

/* global includes */
#include "l1audio.h"
#include "device.h"
#include "resource_audio.h"
#include "fat_fs.h"
#include "nvram_enums.h"
#include "nvram_struct.h"
#include "nvram_user_defs.h"
#include "nvram_data_items.h"
#include "custom_nvram_editor_data_item.h"
#include "custom_equipment.h"

/* local includes */
#include "med_global.h"
#include "aud_defs.h"
#include "med_struct.h"
#include "med_api.h"
#include "med_context.h"
#include "med_main.h"
#include "aud_main.h"
#include "med_utility.h"

#ifdef __AUD_TRACE_ON__
#include "med_trc.h"
#endif 

#ifdef __MED_CTM_MOD__

#define CTM_TEXT_CONVERT_BUF_SIZE (CTM_SEND_TEXT_CHAR_MAX_NUM * 3 + 1)
typedef enum
{
    AUD_CTM_DIRECT_MODE,
    AUD_CTM_BAUDOT_MODE,
    AUD_CTM_HCO_MODE,
    AUD_CTM_VCO_MODE
} aud_ctm_interface_enum;

aud_ctm_context_struct aud_ctm_ctx;

extern const kal_uint8 utf8_bytes_per_char[16]; /* defined in aud_utility.c */


/*****************************************************************************
 * FUNCTION
 *  aud_ctm_send_text_req_queue_init
 * DESCRIPTION
 *  
 * PARAMETERS
 *  req_queue       [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void aud_ctm_send_text_req_queue_init(aud_ctm_send_text_req_queue_struct *req_queue)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    req_queue->head = req_queue->tail = 0;
    memset(req_queue->queue, 0, CTM_MAX_SEND_REQ_NUM);
}


/*****************************************************************************
 * FUNCTION
 *  aud_ctm_send_text_req_queue_full
 * DESCRIPTION
 *  
 * PARAMETERS
 *  req_queue       [?]     
 * RETURNS
 *  
 *****************************************************************************/
kal_bool aud_ctm_send_text_req_queue_full(aud_ctm_send_text_req_queue_struct *req_queue)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    kal_uint8 head, tail;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    head = req_queue->head;
    tail = req_queue->tail;
    if (tail < head)
    {
        return (head - tail == 1);
    }

    return (tail - head == CTM_MAX_SEND_REQ_NUM - 1);
}


/*****************************************************************************
 * FUNCTION
 *  aud_ctm_send_text_req_queue_count
 * DESCRIPTION
 *  
 * PARAMETERS
 *  req_queue       [?]     
 * RETURNS
 *  
 *****************************************************************************/
kal_uint8 aud_ctm_send_text_req_queue_count(aud_ctm_send_text_req_queue_struct *req_queue)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    kal_uint8 head, tail;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    head = req_queue->head;
    tail = req_queue->tail;

    if (tail < head)
    {
        tail += CTM_MAX_SEND_REQ_NUM;
    }

    return tail - head;
}


/*****************************************************************************
 * FUNCTION
 *  aud_ctm_send_text_req_queue_add
 * DESCRIPTION
 *  
 * PARAMETERS
 *  req_queue       [?]         
 *  req_no          [IN]        
 * RETURNS
 *  
 *****************************************************************************/
kal_bool aud_ctm_send_text_req_queue_add(aud_ctm_send_text_req_queue_struct *req_queue, kal_uint16 req_no)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (aud_ctm_send_text_req_queue_full(req_queue))
    {
        return KAL_FALSE;
    }

    req_queue->queue[req_queue->tail++] = req_no;
    if (req_queue->tail >= CTM_MAX_SEND_REQ_NUM)
    {
        req_queue->tail = 0;
    }

    return KAL_TRUE;
}


/*****************************************************************************
 * FUNCTION
 *  aud_ctm_send_text_req_queue_del
 * DESCRIPTION
 *  
 * PARAMETERS
 *  req_queue       [?]     
 * RETURNS
 *  
 *****************************************************************************/
kal_bool aud_ctm_send_text_req_queue_del(aud_ctm_send_text_req_queue_struct *req_queue)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (req_queue->tail == req_queue->head)
    {
        return KAL_FALSE;
    }

    if (++req_queue->head >= CTM_MAX_SEND_REQ_NUM)
    {
        req_queue->head = 0;
    }

    return KAL_TRUE;
}


/*****************************************************************************
 * FUNCTION
 *  aud_ctm_send_text_req_queue_head
 * DESCRIPTION
 *  
 * PARAMETERS
 *  req_queue       [?]     
 * RETURNS
 *  
 *****************************************************************************/
kal_uint16 *aud_ctm_send_text_req_queue_head(aud_ctm_send_text_req_queue_struct *req_queue)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (req_queue->head == req_queue->tail)
    {
        return NULL;
    }
    return &(req_queue->queue[req_queue->head]);
}


/*****************************************************************************
 * FUNCTION
 *  aud_ctm_read_text_from_recv_buf
 * DESCRIPTION
 *  
 * PARAMETERS
 *  dest                [?]         
 *  max_num_of_char     [IN]        
 *  more_data           [?]