view src/g23m-gprs/sndcp/sndcp_ciaf.c @ 686:59f07d67eb45

luna target split into luna1 and luna2 luna1 is FC Luna based on iWOW DSK v4.0 or v5.0 motherboard luna2 is FC Luna based on FC Caramel2 MB
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 12 Oct 2020 18:51:24 +0000
parents 219afcfc6250
children
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/*
+-----------------------------------------------------------------------------
|  Project :  GPRS (8441)
|  Modul   :  tgen_gprs.cpp
+-----------------------------------------------------------------------------
|  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 is part of the entity SNDCP and implements all
|             procedures and functions as described in the
|             SDL-documentation (CIA-statemachine)
+-----------------------------------------------------------------------------
*/


#define ENTITY_SNDCP

/*==== INCLUDES =============================================================*/

#include "typedefs.h"    /* to get Condat data types */
#include "vsi.h"         /* to get a lot of macros */
#include "macdef.h"
#include "prim.h"        /* to get the definitions of used SAP and directions */

#include "dti.h"
#include "sndcp.h"       /* to get the global entity definitions */
#include "sndcp_f.h"     /* to get the functions to access the global arrays*/

#ifdef _SNDCP_DTI_2_
#include <string.h>    /* to get memcpy() */
#endif


/*==== CONST ================================================================*/

/*==== LOCAL VARS ===========================================================*/

/*==== PRIVATE FUNCTIONS ====================================================*/

/*==== PUBLIC FUNCTIONS =====================================================*/

/*
+------------------------------------------------------------------------------
| Function    : cia_compress_init
+------------------------------------------------------------------------------
| Description : This routine initializes the state structure for both the transmit
|               and receive halves of some serial line. It must be called each
|               time the line is brought up.
|
| Parameters  : number of slots (from 0 to MAX_STATES)
|
+------------------------------------------------------------------------------
*/

GLOBAL void cia_compress_init(UBYTE number_of_slots)
{
  UBYTE i;
  struct cstate *tstate = sndcp_data->cia.comp.tstate;
  struct cstate *rstate = sndcp_data->cia.comp.rstate;

  TRACE_FUNCTION( "cia_compress_init");

  memset((char *)&(sndcp_data->cia.comp), 0, sizeof(sndcp_data->cia.comp));
  for (i = number_of_slots; i > 0; --i) {
    tstate[i].cs_id = i;
    tstate[i].cs_next = &tstate[i - 1];
    tstate[i].cs_ip = (T_SNDCP_IP_HEADER*)tstate[i].cs_hdr;
  }
  tstate[0].cs_next = &tstate[number_of_slots];
  tstate[0].cs_id = 0;
  tstate[0].cs_ip = (T_SNDCP_IP_HEADER*)tstate[0].cs_hdr;
  sndcp_data->cia.comp.last_cs = &tstate[0];
  sndcp_data->cia.comp.last_recv = 255;
  sndcp_data->cia.comp.last_xmit = 255;
  sndcp_data->cia.comp.flags = SLF_TOSS;

  for (i = number_of_slots; i > 0; --i) {
    rstate[i].cs_id = i;
    rstate[i].cs_next = &rstate[i - 1];
    rstate[i].cs_ip = (T_SNDCP_IP_HEADER*)rstate[i].cs_hdr;
  }
  rstate[0].cs_next = &rstate[number_of_slots];
  rstate[0].cs_id = 0;
  rstate[0].cs_ip = (T_SNDCP_IP_HEADER*)rstate[0].cs_hdr;

  sndcp_data->cia.comp.slots_to_use = number_of_slots + 1;
}


/*
+------------------------------------------------------------------------------
| Function    : cia_init
+------------------------------------------------------------------------------
| Description :
|
| Parameters  :
|
+------------------------------------------------------------------------------
*/
GLOBAL void cia_init (void)
{
  UBYTE nsapi;
  TRACE_FUNCTION( "cia_init" );
  INIT_STATE(CIA, CIA_DEFAULT);

  sndcp_reset_xid_block(&sndcp_data->cia.cur_xid_block);
  for (nsapi = 0; nsapi < SNDCP_NUMBER_OF_NSAPIS; nsapi ++){
    sndcp_data->cia.cur_cia_decomp_ind[nsapi] = NULL;
#ifdef SNDCP_TRACE_ALL
    sndcp_data->cia.cia_decomp_ind_number[nsapi] = 0;
#endif

  }


} /* cia_init() */