📄 aud_vm.c

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                }
            }
            break;
        }
    }

}


/*****************************************************************************
 * FUNCTION
 *  aud_vm_stop
 * DESCRIPTION
 *  
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
void aud_vm_stop(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    switch (aud_context_p->state)
    {
        case AUD_VM_PLAY:
        {
            /* Stop voice memo recording process */
            Media_Stop();

            /* close the file */
            FS_Close(aud_context_p->current_file_handle);

            /* enter AUD_VM_IDLE state */
            aud_context_p->state = AUD_VM_IDLE;
            AUD_STATE_TRACE(aud_context_p->state) break;
        }
    }

}


/*****************************************************************************
 * FUNCTION
 *  aud_vm_stop_req_hdlr
 * DESCRIPTION
 *  
 * PARAMETERS
 *  ilm_ptr     [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void aud_vm_stop_req_hdlr(ilm_struct *ilm_ptr)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    kal_uint32 len;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    AUD_FUNC_ENTRY(AUD_VM_STOP_REQ_HDLR) aud_context_p->src_mod = ilm_ptr->src_mod_id;

    switch (aud_context_p->state)
    {
        case AUD_VM_RECORD:
        {
            kal_uint8 cnf_result;

            /* Stop voice memo recording process */
            Media_Stop();

            FS_Write(aud_context_p->current_file_handle, aud_context_p->buf_p, aud_context_p->buf_len * 2, &len);

            /* update offset */
            aud_context_p->offset += len;

            AUD_VALUE_TRACE(aud_context_p->offset, aud_context_p->buf_len, len >> 1) cnf_result = MED_RES_OK;

            FS_Close(aud_context_p->current_file_handle);

            /* send confirm message to L4 */
            aud_send_vm_stop_cnf(cnf_result, aud_context_p->current_file_name);

            /* change to AUD_VM_IDLE state */
            AUD_ENTER_STATE(AUD_VM_IDLE);
            break;
        }
        case AUD_VM_PLAY:
        {
            /* Stop voice memo recording process */
            Media_Stop();

            /* close the file */
            FS_Close(aud_context_p->current_file_handle);

            /* send confirm message to L4 */
            aud_send_vm_stop_cnf(MED_RES_OK, aud_context_p->current_file_name);

            /* enter AUD_VM_IDLE state */
            AUD_ENTER_STATE(AUD_VM_IDLE);
            break;
        }
        case AUD_VM_RECORD_PAUSED:
        {
            /* close the file */
            FS_Close(aud_context_p->current_file_handle);

            /* send confirm message to L4 */
            aud_send_vm_stop_cnf(MED_RES_OK, aud_context_p->current_file_name);

            /* enter AUD_VM_IDLE state */
            AUD_ENTER_STATE(AUD_VM_IDLE);
            break;
        }
        case AUD_VM_PLAY_PAUSED:
        {
            /* close the file */
            FS_Close(aud_context_p->current_file_handle);

            /* send confirm message to L4 */
            aud_send_vm_stop_cnf(MED_RES_OK, aud_context_p->current_file_name);

            /* enter AUD_VM_IDLE state */
            AUD_ENTER_STATE(AUD_VM_IDLE);
            break;
        }
        case AUD_VM_PLAY_FINISH:
        {
            /* Stop voice memo playing process */
            Media_Stop();

            /* send confirm message to L4 */
            aud_send_vm_stop_cnf(MED_RES_OK, aud_context_p->current_file_name);

            /* enter AUD_VM_IDLE state */
            AUD_ENTER_STATE(AUD_VM_IDLE);
            break;
        }
        default:
        {
            /* send confirm message to L4 */
            aud_send_vm_stop_cnf(MED_RES_FAIL, NULL);

            /* enter AUD_VM_IDLE state */
            AUD_ENTER_STATE(AUD_VM_IDLE);
            break;
        }

    }

}


/*****************************************************************************
 * FUNCTION
 *  aud_vm_delete_req_hdlr
 * DESCRIPTION
 *  
 * PARAMETERS
 *  ilm_ptr     [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void aud_vm_delete_req_hdlr(ilm_struct *ilm_ptr)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    kal_uint8 cnf_result;

    l4aud_vm_delete_req_struct *msg_p;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    AUD_FUNC_ENTRY(AUD_VM_DELETE_REQ_HDLR) aud_context_p->src_mod = ilm_ptr->src_mod_id;

    msg_p = (l4aud_vm_delete_req_struct*) ilm_ptr->local_para_ptr;

    aud_context_p->src_id = msg_p->src_id;

    switch (aud_context_p->state)
    {
        case AUD_VM_IDLE:
        {
            if (msg_p->delete_all)
            {
                /* delete all file from FS */
                cnf_result = aud_vm_remove_all_file_from_list();
            }
            else
            {
                /* delete the file from FS */
                cnf_result = aud_vm_remove_file_from_list((kal_wchar*) msg_p->file_name);
            }
            break;
        }
        default:
            cnf_result = MED_RES_BUSY;
    }
    aud_send_vm_delete_cnf(cnf_result);
}


/*****************************************************************************
 * FUNCTION
 *  aud_vm_abort_req_hdlr
 * DESCRIPTION
 *  
 * PARAMETERS
 *  ilm_ptr     [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void aud_vm_abort_req_hdlr(ilm_struct *ilm_ptr)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    kal_uint8 cnf_result;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    AUD_FUNC_ENTRY(AUD_VM_ABORT_REQ_HDLR) aud_context_p->src_mod = ilm_ptr->src_mod_id;

    switch (aud_context_p->state)
    {
        case AUD_VM_RECORD:
        {
            /* Stop voice memo recording process */
            Media_Stop();

            /* close the file */
            FS_Close(aud_context_p->current_file_handle);

            /* Delete the file */
            cnf_result = aud_vm_remove_file_from_list(aud_context_p->current_file_name);

            /* enter AUD_VM_IDLE state */
            aud_context_p->state = AUD_VM_IDLE;
            AUD_STATE_TRACE(aud_context_p->state) break;
        }
        case AUD_VM_PLAY:
        {
            /* Stop voice memo recording process */
            Media_Stop();

            /* close the file */
            FS_Close(aud_context_p->current_file_handle);

            cnf_result = MED_RES_OK;
            /* enter AUD_VM_IDLE state */
            aud_context_p->state = AUD_VM_IDLE;
            AUD_STATE_TRACE(aud_context_p->state) break;
        }
        case AUD_VM_RECORD_PAUSED:
        {
            /* close the file */
            FS_Close(aud_context_p->current_file_handle);

            /* Delete the file */
            cnf_result = aud_vm_remove_file_from_list(aud_context_p->current_file_name);

            /* enter AUD_VM_IDLE state */
            aud_context_p->state = AUD_VM_IDLE;
            AUD_STATE_TRACE(aud_context_p->state) break;
        }
        case AUD_VM_PLAY_PAUSED:
        {
            /* close the file */
            FS_Close(aud_context_p->current_file_handle);

            cnf_result = MED_RES_OK;
            /* enter AUD_VM_IDLE state */
            aud_context_p->state = AUD_VM_IDLE;
            AUD_STATE_TRACE(aud_context_p->state) break;
        }
        default:
        {
            cnf_result = MED_RES_FAIL;
            break;
        }

    }
    aud_send_vm_abort_cnf(cnf_result);

}


/*****************************************************************************
 * FUNCTION
 *  aud_vm_pause_req_hdlr
 * DESCRIPTION
 *  
 * PARAMETERS
 *  ilm_ptr     [?]     
 * RETURNS
 *  void
 *****************************************************************************/
void aud_vm_pause_req_hdlr(ilm_struct *ilm_ptr)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    kal_int32 result;
    kal_uint32 len;

    l4aud_vm_pause_req_struct *msg_p = NULL;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    AUD_FUNC_ENTRY(AUD_VM_PAUSE_REQ_HDLR) aud_context_p->src_mod = ilm_ptr->src_mod_id;

    msg_p = (l4aud_vm_pause_req_struct*) ilm_ptr->local_para_ptr;

    aud_context_p->src_id = msg_p->src_id;

    switch (aud_context_p->state)
    {
        case AUD_VM_RECORD:
        {
            kal_uint8 cnf_result;

            /* Stop voice memo recording process */
            Media_Stop();

            result = FS_Write(
                        aud_context_p->current_file_handle,
                        aud_context_p->buf_p,
                        aud_context_p->buf_len * 2,
                        &len);
            /* update offset */
            aud_context_p->offset += len;

            AUD_VALUE_TRACE(aud_context_p->offset, aud_context_p->buf_len, len >> 1)
                if (result == FS_NO_ERROR && aud_context_p->offset < aud_context_p->vm_info.free_space)
            {
                cnf_result = MED_RES_OK;
                /* change to AUD_VM_RECORD_PAUSED state */
                AUD_ENTER_STATE(AUD_VM_RECORD_PAUSED);
            }
            else if (result == FS_DISK_FULL || aud_context_p->offset >= aud_context_p->vm_info.free_space)
            {
                cnf_result = MED_RES_DISC_FULL;

                /* close current file */
                FS_Close(aud_context_p->current_file_handle);

                AUD_VALUE_TRACE(aud_context_p->offset, aud_context_p->vm_info.free_space, aud_context_p->disc_full)
                    /* set disc full to TRUE */
                    aud_context_p->disc_full = KAL_TRUE;

                /* change to AUD_VM_IDLE state */
                AUD_ENTER_STATE(AUD_VM_IDLE);
            }
            else
            {
                cnf_result = MED_RES_FAIL;

                /* close current file */
                FS_Close(aud_context_p->current_file_handle);
                AUD_VALUE_TRACE(aud_context_p->offset, aud_context_p->vm_info.free_space, aud_context_p->disc_full)
                    /* decrease the free space */
                    aud_context_p->vm_info.free_space -= aud_context_p->offset;

                /* change to AUD_VM_IDLE state */
                AUD_ENTER_STATE(AUD_VM_IDLE);
            }

            /* send confirm message to L4 */
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