+
−/* 
+
−+----------------------------------------------------------------------------- 
+
−|  Project :  
+
−|  Modul   : gsm5_v.c
+
−+----------------------------------------------------------------------------- 
+
−|  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 :  Definition of encoding and decoding functions for GSM5_V elements 
+
−+----------------------------------------------------------------------------- 
+
−*/ 
+
−
+
−
+
−/*
+
− * standard definitions like GLOBAL, UCHAR, ERROR etc.
+
− */
+
−#include "typedefs.h"
+
−#include "header.h"
+
−
+
−/*
+
− * Prototypes of ccd (USE_DRIVER EQ undef) for prototypes only
+
− * look at ccdapi.h
+
− */
+
−#undef USE_DRIVER
+
−#include "ccdapi.h"
+
−
+
−/*
+
− * Types and functions for bit access and manipulation
+
− */
+
−#include "ccd_globs.h"
+
−#include "bitfun.h"
+
−
+
−/*
+
− * Prototypes of ccd internal functions
+
− */
+
−#include "ccd.h"
+
−
+
−/*
+
− * Declaration of coder/decoder tables
+
− */
+
−#include "ccdtable.h"
+
−#include "ccddata.h"
+
−
+
−#ifndef RUN_INT_RAM
+
−/*
+
−+--------------------------------------------------------------------+
+
−| PROJECT : CCD (6144)                 MODULE  : CDC_GSM             |
+
−| STATE   : code                       ROUTINE : cdc_gsm5v_decode    |
+
−+--------------------------------------------------------------------+
+
−
+
−  PURPOSE : Decoding of the GSM Type 5V element. This element
+
−            consists of the not decoded bits of the bitstream.
+
−            In the target C-structure this element is a bitbuffer
+
−            (T_xxx_BUF) in wich the bitstream content are written.
+
−
+
−*/
+
−
+
−SHORT cdc_gsm5v_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
+
−{
+
−#ifdef DEBUG_CCD
+
−  #ifndef CCD_SYMBOLS
+
−  TRACE_CCD (globs, "cdc_gsm5v_decode()");
+
−	#else
+
−	TRACE_CCD (globs, "cdc_gsm5v_decode() %s", ccddata_get_alias((USHORT) e_ref, 1));
+
−	#endif
+
−#endif
+
−
+
−  if (globs->bitpos >= globs->buflen)
+
−  {
+
−    return 1;
+
−  }
+
−  else
+
−  {
+
−    ULONG  cix_ref;
+
−    
+
−    cix_ref = melem[e_ref].calcIdxRef;
+
−
+
−    /*
+
−     * if this element is conditional, check the condition
+
−     */
+
−    if (calcidx[cix_ref].numCondCalcs NEQ 0
+
−        AND ! ccd_conditionOK (e_ref, globs))
+
−    {
+
−      return 1;
+
−    }
+
−    else
+
−    {
+
−      ULONG  bits_to_read;
+
−      ULONG  num_prolog_steps, prolog_step_ref;
+
−      
+
−      num_prolog_steps = calcidx[cix_ref].numPrologSteps;
+
−      prolog_step_ref  = calcidx[cix_ref].prologStepRef;
+
−
+
−      /* If there is a prologue given for this element, process it. */
+
−      if (num_prolog_steps)
+
−      {
+
−        ccd_performOperations (num_prolog_steps, prolog_step_ref, globs);
+
−      }
+
−      
+
−      /*
+
−       * Setup the offset into the C-structure for this element
+
−       */
+
−      globs->pstructOffs = melem[e_ref].structOffs;
+
−
+
−      if (melem[e_ref].optional)
+
−      {  
+
−        /*
+
−         * for optional elements set the valid-flag in the C-struct.
+
−         */
+
−        globs->pstruct[globs->pstructOffs++] = TRUE;
+
−      }
+
−
+
−      if (globs->maxBitpos < globs->buflen - 16*globs->numEOCPending)
+
−      {
+
−        ccd_recordFault (globs, ERR_LEN_MISMATCH, CONTINUE, (USHORT) e_ref, 
+
−                         globs->pstruct + globs->pstructOffs);
+
−      }
+
−
+
−      bits_to_read = (ULONG)(globs->buflen - globs->bitpos - 16*globs->numEOCPending);  
+
−      bf_readBitChunk (bits_to_read, globs);
+
−    }
+
−  }
+
−
+
−  return 1;
+
−}
+
−#endif /* !RUN_INT_RAM */
+
−
+
−#ifndef RUN_INT_RAM
+
−/*
+
−+--------------------------------------------------------------------+
+
−| PROJECT : CCD (6144)                 MODULE  : CDC_GSM             |
+
−| STATE   : code                       ROUTINE : cdc_gsm5v_encode    |
+
−+--------------------------------------------------------------------+
+
−
+
−  PURPOSE : Encoding of the GSM Type 5V element. This element
+
−            consists of the not decoded bits of the bitstream.
+
−            In the target C-structure this element is a bitbuffer
+
−            (T_xxx_BUF) from wich the bitstream content is read.
+
−
+
−*/
+
−
+
−SHORT cdc_gsm5v_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
+
−{
+
−  ULONG  cix_ref, num_prolog_steps, prolog_step_ref;
+
−  
+
−#ifdef DEBUG_CCD
+
−  #ifndef CCD_SYMBOLS
+
−  TRACE_CCD (globs, "cdc_gsm5v_encode()");
+
−	#else
+
−	TRACE_CCD (globs, "cdc_gsm5v_encode() %s", ccddata_get_alias((USHORT) e_ref, 1));
+
−	#endif
+
−#endif
+
−
+
−  cix_ref = melem[e_ref].calcIdxRef;
+
−  num_prolog_steps = calcidx[cix_ref].numPrologSteps;
+
−  prolog_step_ref  = calcidx[cix_ref].prologStepRef;
+
−  
+
−  /*
+
−   * if this element is conditional, check the condition
+
−   */
+
−  if (calcidx[cix_ref].numCondCalcs NEQ 0
+
−  AND ! ccd_conditionOK (e_ref, globs))
+
−    return 1;
+
−
+
−  /*
+
−   * if this element have a defined Prolog
+
−   * we have to process it before decoding the bitstream
+
−   */
+
−  if (num_prolog_steps)
+
−  {
+
−    ccd_performOperations (num_prolog_steps, prolog_step_ref, globs);
+
−  }
+
−  
+
−  /*
+
−   * Setup the offset into the C-structure for this element
+
−   */
+
−  globs->pstructOffs = melem[e_ref].structOffs;
+
−
+
−  if (melem[e_ref].optional)
+
−  {  
+
−    /*
+
−     * for optional elements check the valid-flag in the C-struct.
+
−     * Spare elements does not have a corresponding valid flag.
+
−     */
+
−    if (globs->pstruct[globs->pstructOffs++] == FALSE)
+
−    {
+
−      return 1;
+
−    }
+
−#ifdef DEBUG_CCD
+
−    else if (globs->pstruct [melem[e_ref].structOffs] != TRUE)
+
−    {
+
−      TRACE_CCD (globs, "Ambiguous value for valid flag!\n...assumed 1 for ccdID=%d",
+
−                 e_ref);
+
−    }
+
−#endif
+
−  }
+
− 
+
−  bf_writeBitChunk (mvar[melem[e_ref].elemRef].bSize, globs);
+
−
+
−  return 1;
+
−}
+
−#endif /* !RUN_INT_RAM */