+
−/* 
+
−+----------------------------------------------------------------------------- 
+
−|  Project :  GSM-F&D (8411)
+
−|  Modul   :  t30_bcss
+
−+----------------------------------------------------------------------------- 
+
−|  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 Modul defines the functions for processing
+
−|             of incomming signals for the component T30
+
−|             of the mobile station
+
−+----------------------------------------------------------------------------- 
+
−*/ 
+
−
+
−#ifndef T30_BCSS_C
+
−#define T30_BCSS_C
+
−#endif
+
−
+
−#define ENTITY_T30
+
−
+
−/*==== INCLUDES ===================================================*/
+
−
+
−#include <string.h>
+
−#include <stdlib.h>
+
−#include <stddef.h>
+
−#include "typedefs.h"
+
−#include "pcm.h"
+
−#include "vsi.h"
+
−#include "macdef.h"
+
−#include "pconst.cdg"
+
−#include "mconst.cdg"
+
−#include "message.h"
+
−#include "ccdapi.h"
+
−#include "custom.h"
+
−#include "gsm.h"
+
−#include "prim.h"
+
−#include "cnf_t30.h"
+
−#include "mon_t30.h"
+
−#include "pei.h"
+
−#include "tok.h"
+
−#include "dti.h"      /* functionality of the dti library */
+
−#include "t30.h"
+
−
+
−/*==== CONST =======================================================*/
+
−
+
−/*==== TYPES =======================================================*/
+
−
+
−/*==== VAR EXPORT ==================================================*/
+
−
+
−/*==== VAR LOCAL ===================================================*/
+
−
+
−/*==== FUNCTIONS ===================================================*/
+
−
+
−/*
+
−+--------------------------------------------------------------------+
+
−| PROJECT : GSM-F&D (8411)             MODULE  : T30_BCSF            |
+
−| STATE   : code                       ROUTINE : bcs_encode          |
+
−+--------------------------------------------------------------------+
+
−
+
−  PURPOSE : This function encodes an HDLC frame.
+
−*/
+
−
+
−LOCAL UBYTE bcs_encode(void)
+
−{
+
−  SHORT ret;
+
−  T_sdu *BCI_stream = (T_sdu*)t30_data->BCI_stream;
+
−
+
−  BCI_stream->o_buf = 16;
+
−  BCI_stream->l_buf = BIT_STREAM_LEN_BYT * 8;
+
−
+
−  ret = ccd_codeMsg(CCDENT_T30, UPLINK, (T_MSGBUF*)BCI_stream, _decodedMsg, HDLC_ADDR);
+
−
+
−  if (ret EQ ccdError)
+
−  {
+
−    TRACE_EVENT ("ERROR: ccd_encode") ;
+
−  }
+
−
+
−#ifdef _SIMULATION_ /* show contents of buffer */
+
−  if (t30_data->test_mode & TST_BUF)
+
−  {
+
−    if (ret EQ ccdOK)
+
−    {
+
−      ker_debug("ccd_encode", &BCI_stream->buf[3], (USHORT)(BCI_stream->l_buf >> 3));
+
−    }
+
−  }
+
−#endif
+
−
+
−  return ((ret EQ ccdError) ? CCD_ERR : CCD_OK);
+
−}
+
−
+
−/*
+
−+--------------------------------------------------------------------+
+
−| PROJECT : GSM-F&D (8411)             MODULE  : T30_BCSS            |
+
−| STATE   : code                       ROUTINE : sig_ker_bcs_bdat_req|
+
−+--------------------------------------------------------------------+
+
−
+
−  PURPOSE : Process signal BDAT_REQ received from process KER.
+
−            The received bcs_data is encoded and collected.
+
−*/
+
−
+
−GLOBAL void sig_ker_bcs_bdat_req (UBYTE final)
+
−{
+
−  T_FAD_DATA_REQ *fad_data_req_fin;
+
−
+
−  TRACE_FUNCTION ("sig_ker_bcs_bdat_req()");
+
−
+
−  if (t30_data->fad_data_req EQ NULL)
+
−  {
+
−    PALLOC_SDU (fad_data_req, FAD_DATA_REQ, BCS_FRM_SIZE_BITS);
+
−    memset (fad_data_req, 0, sizeof (T_FAD_DATA_REQ));
+
−    t30_data->fad_data_req = fad_data_req;
+
−    t30_data->stuff_bits = 8;
+
−  }
+
−  else
+
−    bcs_bcs_encode(CTL_C0, FINAL_NO);
+
−
+
−  switch (bcs_encode())
+
−  {
+
−  case CCD_OK:
+
−    if (!final)
+
−      return;
+
−
+
−    bcs_bcs_encode (CTL_C8, FINAL_YES);
+
−    fad_data_req_fin = t30_data->fad_data_req;
+
−    t30_data->fad_data_req = NULL;
+
−    fad_data_req_fin->final = TRUE;
+
−    fad_data_req_fin->trans_rate = R_BCS;
+
−    sig_bcs_mux_bcs_req(fad_data_req_fin);
+
−    break;
+
−
+
−  case CCD_ERR:
+
−    PFREE (t30_data->fad_data_req);
+
−    t30_data->fad_data_req = NULL;
+
−    snd_error_ind(ERR_CCD_ENC);
+
−    break;
+
−  }
+
−}
+
−
+
−/*
+
−+--------------------------------------------------------------------+
+
−| PROJECT : GSM-F&D (8411)             MODULE  : T30_BCSS            |
+
−| STATE   : code                       ROUTINE : sig_mux_bcs_bcs_ind |
+
−+--------------------------------------------------------------------+
+
−
+
−  PURPOSE : Process signal BCS_IND received from process MUX.
+
−            The received bcs_data is collected, destuffed and
+
−            decoded. The decoded data is sent to the kernel.
+
−*/
+
−
+
−GLOBAL void sig_mux_bcs_bcs_ind (T_FAD_DATA_IND *fad_data_ind)
+
−{
+
−  TRACE_FUNCTION ("sig_mux_bcs_bcs_ind()");
+
−
+
−  switch (bcs_fill_bcs_frm(fad_data_ind))
+
−  {
+
−  case BCS_FRM_FILLING:
+
−    return;
+
−
+
−  case BCS_FRM_FILLED:
+
−    bcs_bcs_decode();
+
−    break;
+
−
+
−  case BCS_FRM_FULL:
+
−    sig_bcs_ker_err_ind(ERR_BUF_FULL);
+
−    break;
+
−  }
+
−
+
−  memset (t30_data->bcs_frm, 0, BCS_FRM_SIZE);
+
−}
+
−
+
−