--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gsm-fw/ccd/s_padding.c	Thu Sep 04 05:48:57 2014 +0000
@@ -0,0 +1,183 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project :  
+|  Modul   : s_padding.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 S_PADDING 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_FLASH
+/*
++--------------------------------------------------------------------+
+| PROJECT : CCD (6144)               MODULE  : CDC_GSM               |
+| STATE   : code                     ROUTINE : cdc_padd_decode       |
++--------------------------------------------------------------------+
+
+  PURPOSE : Decoding of the GSM Type CSN1 spare padding.
+            This function does not evaluate the encoded bits, since
+            their content is irrelevant.
+*/
+
+SHORT cdc_padd_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
+{
+  USHORT  cixRef;
+
+#ifdef DEBUG_CCD
+  TRACE_CCD (globs, "cdc_padd_decode()");
+#endif
+
+  /*
+   * Do not decode padding bits. They are not relevant.
+   * Just adjust the position pointer in the bit stream buffer.
+   * Either to the next octet boundary or to the message end, if necessary.
+   */
+  bf_incBitpos (8-(globs->bitpos & 7), globs);
+
+  /* First assume padding bits up to an octet boundary. In this case
+   * message extension could be made of T, TV or TLV types.
+   */
+  globs->SeekTLVExt = TRUE;
+
+  cixRef = melem[e_ref].calcIdxRef;
+  if (calcidx[cixRef].numPrologSteps > 0)
+  {
+    USHORT msgEnd = (USHORT) calc[calcidx[cixRef].prologStepRef].operand * 8;
+    if (msgEnd)
+    {
+      msgEnd += globs->bitoffs;
+      msgEnd = (USHORT)MINIMUM(globs->maxBitpos, msgEnd);
+      bf_setBitpos (msgEnd, globs);
+      /*
+       * Padding bytes exclude the presence of message extension.
+       */
+      globs->SeekTLVExt = FALSE;
+    }
+  }
+
+  return 1;
+}
+#endif /* !RUN_FLASH */
+
+#ifndef RUN_FLASH
+/*
++--------------------------------------------------------------------+
+| PROJECT : CCD (6144)              MODULE  : CDC_GSM                |
+| STATE   : code                    ROUTINE : cdc_padd_encode        |
++--------------------------------------------------------------------+
+
+  PURPOSE : Encoding of the GSM Type CSN1 spare padding.
+            Supported padding values are 0x00 and 0x2B, if first prolog 
+            step is a value msg_len, padding is done until globs->bitpos is 
+            msg_len*8, else until octet boundary 
+*/
+
+SHORT cdc_padd_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
+{
+  UBYTE   padd_bit = 0;
+  USHORT  cixRef;
+
+#ifdef DEBUG_CCD
+  TRACE_CCD (globs, "cdc_padd_encode()");
+#endif
+
+  cixRef = melem[e_ref].calcIdxRef;
+
+  /*
+   * if this element is conditional, check the condition
+   */
+  if (calcidx[cixRef].numCondCalcs NEQ 0
+  AND ! ccd_conditionOK (e_ref, globs))
+    return 1;
+
+  if (melem[e_ref].elemType EQ 'S' AND spare[melem[e_ref].elemRef].bSize EQ 8)
+  {
+    UBYTE spareVal = (UBYTE)(spare[melem[e_ref].elemRef].value);
+    /*
+     * Element is a SPARE of length 8.
+     */
+    while (globs->bitpos % 8 NEQ 0)
+    {
+      switch(spareVal)
+      {
+        case 0:
+          break;
+        case 0x2B:
+          padd_bit = (UBYTE)GET_HL(0);
+          break;
+        default:
+          ccd_setError (globs, ERR_INTERNAL_ERROR,
+                        BREAK,
+                        (USHORT) (globs->bitpos),
+                        (USHORT) -1);
+      }
+      bf_writeBit (padd_bit, globs);
+    }
+    if (calcidx[cixRef].numPrologSteps > 0)
+    {
+      if (calc[calcidx[cixRef].prologStepRef].operation NEQ 'P')
+        ccd_setError (globs, ERR_INTERNAL_ERROR, BREAK, (USHORT) -1);
+      else
+      {
+        USHORT msgLen = (USHORT)(calc[calcidx[cixRef].prologStepRef].operand * 8);
+
+        while (globs->bitpos - globs->bitoffs < msgLen )
+        {
+          bf_codeLongNumber (8, (ULONG) spareVal, globs);
+        }
+      }
+    }
+  }
+  else
+  {
+    ccd_setError (globs, ERR_INVALID_TYPE,
+                  BREAK,
+                  (USHORT) (globs->bitpos),
+                  (USHORT) -1);
+  }
+
+  return 1;
+}
+#endif /* !RUN_FLASH */