+
−/*
+
−+-----------------------------------------------------------------------------
+
−|  Project :  GSM-PS
+
−|  Modul   :  DL_SACCH0
+
−+-----------------------------------------------------------------------------
+
−|  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 the slow associated
+
−|             control channel SACCH (only SAPI=0) of the component DL
+
−+-----------------------------------------------------------------------------
+
−*/
+
−
+
−#ifndef DL_SACCH0_C
+
−#define DL_SACCH0_C
+
−
+
−#include "config.h"
+
−#include "fixedconf.h"
+
−#include "condat-features.h"
+
−
+
−#define ENTITY_DL
+
−
+
−/*==== INCLUDES ===================================================*/
+
−
+
−#include "typedefs.h"
+
−#include <string.h>
+
−#include "pconst.cdg"
+
−#include "vsi.h"
+
−#include "custom.h"
+
−#include "gsm.h"
+
−#include "mon_dl.h"
+
−#include "prim.h"
+
−#include "pei.h"
+
−#include "tok.h"
+
−#include "ccdapi.h"
+
−#include "dl.h"
+
−#include "dl_trc.h"
+
−
+
−/*==== EXPORT =====================================================*/
+
−
+
−/*==== PRIVAT =====================================================*/
+
−
+
−/*==== VARIABLES ==================================================*/
+
−GLOBAL const T_FRAME  meas_report_no_nc =
+
−{
+
−  N201_SACCH*8,
+
−  24,
+
−  {
+
−    0x00, 0x00, 0x00,
+
−    0x06, 0x15, 0x1E, 0x1E, 0x7E,
+
−    0x00, 0x00, 0x00, 0x00, 0x00,
+
−    0x00, 0x00, 0x00, 0x00, 0x00,
+
−    0x00, 0x00, 0x00, 0x00, 0x00
+
−  }
+
−};
+
−LOCAL const T_FRAME  meas_report_invalid =
+
−{
+
−  N201_SACCH*8,
+
−  24,
+
−  {
+
−    0x00, 0x00, 0x00,
+
−    0x06, 0x15, 0x00, 0x40, 0x00,
+
−    0x00, 0x00, 0x00, 0x00, 0x00,
+
−    0x00, 0x00, 0x00, 0x00, 0x00,
+
−    0x00, 0x00, 0x00, 0x00, 0x00
+
−  }
+
−};
+
−
+
−
+
−/*==== FUNCTIONS ==================================================*/
+
−/*
+
−+--------------------------------------------------------------------+
+
−| PROJECT : GSM-PS (6147)       MODULE  : DL_SACCH0                  |
+
−| STATE   : code                ROUTINE : sacch_init_dl_data         |
+
−+--------------------------------------------------------------------+
+
−
+
−  PURPOSE : Initialisation of SACCH data for an instance.
+
−
+
−*/
+
−
+
−GLOBAL void sacch0_init_dl_data (void)
+
−{
+
−  GET_INSTANCE_DATA;
+
−  T_CCH *pcch = &dl_data->cch[C_SACCH0];
+
−  TRACE_FUNCTION ("sacch_init_dl_data()");
+
−
+
−  memset (pcch, 0, sizeof (T_CCH));
+
−  pcch->ch_type        = L2_CHANNEL_SACCH;
+
−
+
−  if (dl_data->dcch3_in_msg)
+
−  {
+
−    COM_FREE_POINTER (dl_data->dcch3_in_msg);
+
−    dl_data->dcch3_in_msg = NULL;
+
−  }
+
−
+
−  sacch0_reset_meas ();
+
−}
+
−
+
−/*
+
−+--------------------------------------------------------------------+
+
−| PROJECT : GSM-PS (6147)       MODULE  : DL_SACCH0                  |
+
−| STATE   : code                ROUTINE : sacch0_reset_meas            |
+
−+--------------------------------------------------------------------+
+
−
+
−  PURPOSE : Reset measurement reports and sacch_mode.
+
−
+
−*/
+
−
+
−GLOBAL void sacch0_reset_meas (void)
+
−{
+
−  GET_INSTANCE_DATA;
+
−  dl_data->sacch_act_buffer = meas_report_no_nc;
+
−  dl_data->sacch_last_buffer= meas_report_no_nc;
+
−  dl_data->sacch_mode  = 2;
+
−}
+
−
+
−/*
+
−+--------------------------------------------------------------------+
+
−| PROJECT : GSM-PS (6147)       MODULE  : DL_SACCH0                  |
+
−| STATE   : code                ROUTINE : sacch_send_data            |
+
−+--------------------------------------------------------------------+
+
−
+
−  PURPOSE : Send unacknowledged data on SACCH, SAPI=0.
+
−
+
−*/
+
−
+
−GLOBAL void sacch0_send_data (void)
+
−{
+
−  GET_INSTANCE_DATA;
+
−  TRACE_FUNCTION ("sacch_send_data()");
+
−
+
−  TRACE_EVENT_WIN_P2 ("SACCH0 MODE = %d, %s", dl_data->sacch_mode,
+
−    (dl_data->rr_short_pd_buffer.l_buf AND
+
−      dl_data->rr_short_pd_ch_type EQ L2_CHANNEL_SACCH) ? "RR short PD" : "normal");
+
−
+
−  if (dl_data->rr_short_pd_buffer.l_buf AND
+
−      dl_data->rr_short_pd_ch_type EQ L2_CHANNEL_SACCH)
+
−  { /* RR message with short PD, short L2 header type 1, format Bter */
+
−    com_build_UI_Bter (L2_CHANNEL_SACCH);
+
−  }
+
−  else
+
−  { /* format A or B */
+
−    if (dl_data->sacch_mode EQ 2)
+
−    {
+
−      com_build_UI_command (L2_CHANNEL_SACCH, PS_SAPI_0, &meas_report_invalid);
+
−    }
+
−    else
+
−    {
+
−      if (dl_data->dl_active EQ FALSE)
+
−        dl_data->sacch_last_buffer = dl_data->sacch_act_buffer;
+
−
+
−      com_build_UI_command (L2_CHANNEL_SACCH, PS_SAPI_0, &dl_data->sacch_last_buffer);
+
−    }
+
−    if (dl_data->sacch_mode)
+
−      dl_data->sacch_mode--;
+
−  }
+
−}
+
−
+
−#endif