+
−/* 
+
−+----------------------------------------------------------------------------- 
+
−|  Project :  GSM-F&D (8411)
+
−|  Modul   :  FAD_KERS
+
−+----------------------------------------------------------------------------- 
+
−|  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
+
−|             Fax Adaptation 3.45 of the mobile station
+
−+----------------------------------------------------------------------------- 
+
−*/ 
+
−
+
−#ifndef FAD_KERS_C
+
−#define FAD_KERS_C
+
−#endif
+
−
+
−#define ENTITY_FAD
+
−
+
−/*==== INCLUDES ===================================================*/
+
−
+
−#include <string.h>
+
−#include "typedefs.h"
+
−#include "pconst.cdg"
+
−#include "vsi.h"
+
−#include "macdef.h"
+
−#include "pconst.cdg"
+
−#include "custom.h"
+
−#include "gsm.h"
+
−#include "cnf_fad.h"
+
−#include "mon_fad.h"
+
−#include "prim.h"
+
−#include "pei.h"
+
−#include "tok.h"
+
−#include "ccdapi.h"
+
−#include "fad.h"
+
−
+
−/*==== CONST =======================================================*/
+
−
+
−/*==== TYPES =======================================================*/
+
−
+
−/*==== VAR EXPORT ==================================================*/
+
−
+
−/*==== VAR LOCAL ==================================================*/
+
−
+
−/*==== FUNCTIONS ===================================================*/
+
−
+
−/*
+
−+-------------------------------------------------------------------------+
+
−| PROJECT : GSM-F&D (8411)             MODULE  : FAD_KERS                 |
+
−| STATE   : code                       ROUTINE : sig_snd_ker_ready_ind    |
+
−+-------------------------------------------------------------------------+
+
−
+
−  PURPOSE : Process signal READY_IND received from process SND
+
−
+
−*/
+
−
+
−GLOBAL void sig_snd_ker_ready_ind (void)
+
−{
+
−  TRACE_FUNCTION ("sig_snd_ker_ready_ind()");
+
−
+
−  switch (GET_STATE (KER))
+
−  {
+
−    case BCS_REC:
+
−    case MSG_REC:
+
−      {
+
−      PALLOC (fad_ready_ind, FAD_READY_IND);
+
−      PSENDX (T30, fad_ready_ind);
+
−      }
+
−      break;
+
−    default:
+
−      break;
+
−  }
+
−
+
−}
+
−
+
−/*
+
−+-------------------------------------------------------------------------+
+
−| PROJECT : GSM-F&D (8411)             MODULE  : FAD_KERS                 |
+
−| STATE   : code                       ROUTINE : sig_snd_ker_data_sent_ind|
+
−+-------------------------------------------------------------------------+
+
−
+
−  PURPOSE : Process signal DATA_SENT_IND received from process SND
+
−
+
−*/
+
−
+
−GLOBAL void sig_snd_ker_data_sent_ind (void)
+
−{
+
−  TRACE_FUNCTION ("sig_snd_ker_data_sent_ind()");
+
−
+
−  switch (GET_STATE (KER))
+
−  {
+
−  case BCS_REC:
+
−  case MSG_REC:
+
−    {
+
−    PALLOC (fad_data_cnf, FAD_DATA_CNF);
+
−    PSENDX (T30, fad_data_cnf);
+
−    SET_STATE (KER, IDLE);
+
−    sig_ker_snd_sync_req (TRUE);
+
−    }
+
−    break;
+
−  case MSG_REC_TCF:
+
−    {
+
−    PALLOC (fad_snd_tcf_cnf, FAD_SND_TCF_CNF);
+
−    PSENDX (T30, fad_snd_tcf_cnf);
+
−    SET_STATE (KER, IDLE);
+
−    sig_ker_snd_sync_req (TRUE);
+
−    }
+
−    break;
+
−  case BCS_TRA:
+
−    {
+
−    PALLOC (fad_data_cnf, FAD_DATA_CNF);
+
−    PSENDX (T30, fad_data_cnf);
+
−    /* remain in BCS-TRA state ! - don't reset sequencer ! */
+
−    }
+
−    break;
+
−  }
+
−}
+
−
+
−/*
+
−+-------------------------------------------------------------------------+
+
−| PROJECT : GSM-F&D (8411)             MODULE  : FAD_KERS                 |
+
−| STATE   : code                       ROUTINE : sig_rcv_ker_preamble_ind |
+
−+-------------------------------------------------------------------------+
+
−
+
−  PURPOSE : Process signal PREAMBLE_IND received from process RCV
+
−
+
−*/
+
−
+
−GLOBAL void sig_rcv_ker_preamble_ind (void)
+
−{
+
−
+
−  TRACE_FUNCTION ("sig_rcv_ker_preamble_ind()");
+
−
+
−  switch (GET_STATE (KER))
+
−  {
+
−    case IDLE:
+
−      {
+
−      PALLOC (fad_mux_ind, FAD_MUX_IND);
+
−      fad_mux_ind->mode = MUX_BCS;
+
−      PSENDX (T30, fad_mux_ind);
+
−      }
+
−      SET_STATE (KER, BCS_TRA);
+
−      break;
+
−    case MSG_REC_TCF:         /* non-standard: BCS data received while sending TCF */
+
−      sig_snd_ker_data_sent_ind ();
+
−      TRACE_EVENT ("MSG-REC:BCS rec- arbt TCF");
+
−      {
+
−      PALLOC (fad_mux_ind, FAD_MUX_IND);
+
−      fad_mux_ind->mode = MUX_BCS;
+
−      PSENDX (T30, fad_mux_ind);
+
−      }
+
−      SET_STATE (KER, BCS_TRA);
+
−      break;
+
−    default:                /* discard data - reset RCV to idle */
+
−      sig_ker_rcv_reset_req ();
+
−  }
+
−  fad_data->rcv.preamble_pending = FALSE;
+
−}
+
−
+
−/*
+
−+-------------------------------------------------------------------------+
+
−| PROJECT : GSM-F&D (8411)             MODULE  : FAD_KERS                 |
+
−| STATE   : code                       ROUTINE : sig_rcv_ker_tcf_ind      |
+
−+-------------------------------------------------------------------------+
+
−
+
−  PURPOSE : Process signal TCF_IND received from process RCV
+
−
+
−*/
+
−
+
−GLOBAL void sig_rcv_ker_tcf_ind(void)
+
−{
+
−  T_RCV *rcv = &fad_data->rcv;
+
−
+
−  USHORT err_ratio = 100 * rcv->bytes_good/rcv->bytes_rcvd;
+
−
+
−  TRACE_FUNCTION ("sig_rcv_ker_tcf_ind()");
+
−
+
−  if (GET_STATE (KER) EQ MSG_TRA_TCF)
+
−  {
+
−    PALLOC (fad_rcv_tcf_cnf, FAD_RCV_TCF_CNF);
+
−
+
−    TRACE_EVENT_P1("ratio=%d", err_ratio);
+
−    
+
−    fad_rcv_tcf_cnf->ratio = (UBYTE)err_ratio;
+
−    PSENDX (T30, fad_rcv_tcf_cnf);
+
−    SET_STATE (KER, IDLE);
+
−    sig_ker_snd_sync_req (FALSE);
+
−  }
+
−}
+
−
+
−/*
+
−+----------------------------------------------------------------------+
+
−| PROJECT : GSM-F&D (8411)             MODULE  : FAD_KERS              |
+
−| STATE   : code                       ROUTINE : sig_rcv_ker_train_ind |
+
−+----------------------------------------------------------------------+
+
−
+
−  PURPOSE : Process signal TRAIN_IND received from process RCV
+
−
+
−*/
+
−
+
−GLOBAL void sig_rcv_ker_train_ind (void)
+
−{
+
−  TRACE_FUNCTION ("sig_rcv_ker_train_ind()");
+
−
+
−  if (GET_STATE (KER) EQ IDLE)
+
−  {
+
−    sig_ker_snd_train_req (0, FALSE);
+
−    {
+
−    PALLOC (fad_mux_ind, FAD_MUX_IND);
+
−    fad_mux_ind->mode = MUX_MSG;
+
−    PSENDX (T30, fad_mux_ind);
+
−    }
+
−    fad_data->ker.forward_data = TRUE;
+
−    SET_STATE (KER, MSG_TRA);
+
−  }
+
−  else    /* discard data - reset RCV to idle */
+
−    sig_ker_rcv_reset_req ();
+
−}
+
−
+
−/*
+
−+--------------------------------------------------------------------------+
+
−| PROJECT : GSM-F&D (8411)             MODULE  : FAD_KERS                  |
+
−| STATE   : code                       ROUTINE : sig_rcv_ker_train_end_ind |
+
−+--------------------------------------------------------------------------+
+
−
+
−  PURPOSE : Process signal TRAIN_END_IND received from process RCV
+
−
+
−*/
+
−
+
−GLOBAL void sig_rcv_ker_train_end_ind (void)
+
−{
+
−
+
−  TRACE_FUNCTION ("sig_rcv_ker_train_end_ind()");
+
−
+
−  if (GET_STATE (KER) EQ MSG_TRA)
+
−    sig_ker_snd_sync_req (FALSE);
+
−
+
−}
+
−
+
−/*
+
−+-------------------------------------------------------------------------+
+
−| PROJECT : GSM-F&D (8411)             MODULE  : FAD_KERS                 |
+
−| STATE   : code                       ROUTINE : sig_rcv_ker_bcs_ind      |
+
−+-------------------------------------------------------------------------+
+
−
+
−  PURPOSE : Process signal BCS_IND received from process RCV
+
−
+
−*/
+
−
+
−GLOBAL void sig_rcv_ker_bcs_ind (UBYTE *hdlc, USHORT hdlc_len)
+
−{
+
−  TRACE_FUNCTION ("sig_rcv_ker_bcs_ind()");
+
−
+
−  if (GET_STATE (KER) EQ BCS_TRA)
+
−  {
+
−    USHORT bit_len = hdlc_len << 3;
+
−    {
+
−    PALLOC_SDU (fad_data_ind, FAD_DATA_IND, bit_len);
+
−    fad_data_ind->final = TRUE;
+
−    fad_data_ind->sdu.l_buf = bit_len;
+
−    fad_data_ind->sdu.o_buf = 0;
+
−    memcpy (fad_data_ind->sdu.buf, hdlc, hdlc_len);
+
−    if (fad_data->snd.fad_data_req)   /* BCS data to send detected while receiving BCS: */
+
−      sig_snd_ker_data_sent_ind ();   /* send pseudo-CNF to T30 before forwarding data */
+
−
+
−    PSENDX (T30, fad_data_ind);
+
−    }
+
−    fad_data->rcv.FlagFound = 0;
+
−    SET_STATE (KER, IDLE);
+
−    sig_ker_snd_sync_req (TRUE);
+
−    if (fad_data->snd.fad_data_req)   /* BCS data to send detected while receiving BCS: */
+
−    {                                 /* send stored BCS data */
+
−      SET_STATE (KER, BCS_REC);
+
−      sig_ker_snd_preamble_req (fad_data->snd.fad_data_req);
+
−    }
+
−  }
+
−  fad_data->rcv.bcs_pending = FALSE;
+
−}
+
−
+
−/*
+
−+-------------------------------------------------------------------------+
+
−| PROJECT : GSM-F&D (8411)             MODULE  : FAD_KERS                 |
+
−| STATE   : code                       ROUTINE : sig_rcv_ker_msg_ind      |
+
−+-------------------------------------------------------------------------+
+
−
+
−  PURPOSE : Process signal MSG_IND received from process RCV
+
−
+
−*/
+
−
+
−GLOBAL void sig_rcv_ker_msg_ind (T_FAD_DATA_IND *fad_data_ind)
+
−{
+
−
+
−  TRACE_FUNCTION ("sig_rcv_ker_msg_ind()");
+
−
+
−  PACCESS        (fad_data_ind);
+
−
+
−  if (GET_STATE (KER) EQ MSG_TRA)
+
−  {
+
−    if (!fad_data_ind)
+
−    {
+
−      sig_ker_snd_sync_req (TRUE);
+
−      SET_STATE (KER, IDLE);
+
−    }
+
−    else
+
−    {
+
−      if (fad_data_ind->final)
+
−      {
+
−        sig_ker_snd_sync_req (TRUE);
+
−        SET_STATE (KER, IDLE);
+
−      }
+
−      if (fad_data->ker.forward_data)
+
−      {
+
−        PSENDX (T30, fad_data_ind);
+
−      }
+
−      else
+
−        PFREE (fad_data_ind);
+
−    }
+
−  }
+
−
+
−}
+
−
+
−/*
+
−+-------------------------------------------------------------------------+
+
−| PROJECT : GSM-F&D (8411)             MODULE  : FAD_KERS                 |
+
−| STATE   : code                       ROUTINE : sig_rcv_ker_status_ind   |
+
−+-------------------------------------------------------------------------+
+
−
+
−  PURPOSE : Process signal STATUS_IND received from process RCV
+
−
+
−*/
+
−
+
−GLOBAL void sig_rcv_ker_status_ind (void )
+
−{
+
−
+
−  TRACE_FUNCTION ("sig_rcv_ker_status_ind()");
+
−
+
−  if (GET_STATE (KER) EQ MSG_REC)
+
−    sig_ker_snd_status_req ();
+
−
+
−}
+
−
+
−/*
+
−+-------------------------------------------------------------------------+
+
−| PROJECT : GSM-F&D (8411)             MODULE  : FAD_KERS                 |
+
−| STATE   : code                       ROUTINE : sig_rcv_ker_error_ind    |
+
−+-------------------------------------------------------------------------+
+
−
+
−  PURPOSE : Process signal ERROR_IND received from process RCV
+
−
+
−*/
+
−
+
−GLOBAL void sig_rcv_ker_error_ind (USHORT cause)
+
−{
+
−  TRACE_FUNCTION ("sig_rcv_ker_error_ind()");
+
−
+
−  switch (GET_STATE (KER))
+
−  {
+
−    case KER_NULL:
+
−    case IDLE:
+
−      break;
+
−    case BCS_REC:
+
−    case BCS_TRA:
+
−    case MSG_REC_TCF:
+
−    case MSG_REC:
+
−    case MSG_TRA_TCF:
+
−    case MSG_TRA:
+
−      SET_STATE (KER, IDLE);
+
−      ker_SetError (cause);
+
−      break;
+
−    default:
+
−      break;
+
−  }
+
−}
+
−