www.pudn.com > layer1.rar > diag_deinterleaver.h

/* 
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* 
*      COPYRIGHT (C) 2000 BY ERICSSON EUROLAB DEUTSCHLAND GmbH 
*      90411 NUERNBERG, GERMANY, Tel Int + 49 911 5217 100 
* 
*      The program(s) may be used and/or copied only with the 
*      written permission from Ericsson or in accordance 
*      with the terms and conditions stipulated in the agreement or 
*      contract under which the program(s) have been supplied. 
* 
******************************************************************************* 
* 
*      File             : diag_interleaver.h 
*      Purpose          : diagonal (chain) deinterleaver routine 
* 
******************************************************************************* 
*/ 
#ifndef diag_deinterleaver_h 
#define diag_deinterleaver_h "$Id: $" 
 
/* 
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*                         INCLUDE FILES 
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*/ 
 
#include "init_interleaver.h" 
 
/* 
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*                         DECLARATION OF PROTOTYPES 
******************************************************************************* 
*/ 
 
/* ---------------------------------------------------------------------- */ 
/* diag_deinterleaver:                                                    */ 
/* Corresponding deinterleaver to diag_interleaver.                       */ 
/* An arbitrary number of bits can be interleaved, depending of the       */ 
/* length of the vector "in". The vector "out", which must have the same  */ 
/* length than "in", contains the interleaved samples.                    */ 
/* All states (memory etc.) of the interleaver are stored in the variable */ 
/* *intl_state. Therefore, a pointer to this variable must be handled to  */ 
/* this function. This variable initially has to be initialized by the    */ 
/* function init_interleaver, which offers also the possibility to        */ 
/* specify the dimensions of the deinterleaver matrix.                    */ 
/* ---------------------------------------------------------------------- */ 
 
void diag_deinterleaver(WORD16 *out, 
                        WORD16 *in, 
                        WORD16 num_valid_bits, 
                        interleaver_state_t *intl_state); 
 
/* ---------------------------------------------------------------------- */ 
/* shift_deinterleaver:                                                   */ 
/* Shift of the deinterleaver buffer by  samples.                  */ 
/* shift>0  -> shift to the right                                         */ 
/* shift<0  -> shift to the left                                          */ 
/* The elements from  are inserted into the resulting space. */ 
/* The vector  must have at least abs(shift) elements.       */ 
/* ---------------------------------------------------------------------- */ 
 
void shift_deinterleaver(WORD16 shift, 
                         WORD16 *insert_bits, 
                         interleaver_state_t *ptr_state); 
 
 
#if(NEW_WKA_PATCH==1) 
  void just_shift(WORD16 shift,WORD16* in_bits,interleaver_state_t *intl_state); 
#endif 
 
#if(TTY_SYNC_MCU_2==1) 
WORD16 flush_diag_deint(WORD16 *out, 
                        WORD16 *in, 
                        interleaver_state_t *intl_state); 
#endif 
 
#if (TTY_SYNC_MCU == 1) 
  void flush_and_shift_deinterleaver(WORD16 shift,WORD16 *insert_bits,interleaver_state_t *ptr_state); 
#endif 
 
#if(OPTIMISED==1) 
  void new_diag_deinterleaver(WORD16 *out, 
                              WORD16 jump, 
                              WORD16 *flush_vector, 
                              WORD16 *in, 
                              WORD16 num_valid_bits, 
                              interleaver_state_t *intl_state); 
#endif 
 
#endif