--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-gsm/dl/dl_signal.c	Fri Oct 16 06:25:50 2020 +0000
@@ -0,0 +1,693 @@
+/*
++-----------------------------------------------------------------------------
+|  Project :  GSM-PS
+|  Modul   :  dl_signal
++-----------------------------------------------------------------------------
+|  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 all functions which invoke signals or are
+|             called by signal.
++-----------------------------------------------------------------------------
+*/
+
+#ifndef DL_SIGNAL_C
+#define DL_SIGNAL_C
+
+#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"
+
+#if defined(INVOKE_SIGNAL)
+/*==== EXPORT =====================================================*/
+
+/*==== PRIVAT =====================================================*/
+
+/*==== VARIABLES ==================================================*/
+
+/*==== FUNCTIONS ==================================================*/
+/*
++------------------------------------------------------------------------------
+| Function    : sig_get_signal_data
++------------------------------------------------------------------------------
+| Description : Get the signal data back depend on parameter write
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_init_signal_data (void)
+{
+  GET_INSTANCE_DATA;
+  memset (&dl_data->signal_struct, 0, sizeof (T_DL_SIGNAL));
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_get_signal_data
++------------------------------------------------------------------------------
+| Description : Get the signal data back depend on parameter write
++------------------------------------------------------------------------------
+*/
+LOCAL T_DL_SIGNAL_DATA * sig_get_signal_data (void)
+{
+  GET_INSTANCE_DATA;
+  T_DL_SIGNAL      *sig = &dl_data->signal_struct;
+  T_DL_SIGNAL_DATA *sd = &sig->sig_data[sig->sig_idx];
+
+  /*TRACE_EVENT_WIN_P2 ("sig_get_signal_data(): idx=%u %s", sig->sig_idx, sd->busy ? "BUSY": "use it");*/
+
+  /* first approach without semaphore */
+  if (sd->busy EQ FALSE)
+  {
+    sd->busy = TRUE;
+    #if defined(_SIMULATION_)
+      sd->idx = sig->sig_idx;
+    #endif  /* _SIMULATION_ */
+    if (++sig->sig_idx EQ DL_SIGNAL_DATA_ELEMENTS)
+      sig->sig_idx = 0;/* index of ring buffer */
+  }
+  else
+  {
+    TRACE_ERROR ("dl_signal_data BUSY !!!");
+    TRACE_ASSERT (!sd->busy);
+  }
+  return sd;
+}
+
+#if 0 /* only for debug purposes */
+GLOBAL int sig_get_busy_signals_counter (T_DL_DATA_STORE * dl_data)
+{
+  T_DL_SIGNAL      *sig = &dl_data->signal_struct;
+  T_DL_SIGNAL_DATA *sd = &sig->sig_data[0];
+  int n, busy;
+
+  for (n=busy=0; n < DL_SIGNAL_DATA_ELEMENTS; n++, sd++)
+  {
+    if (sd->busy EQ TRUE)
+      busy++;
+  }
+  return busy;
+}
+#endif /* 0|1 */
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_drr_dl_establish_ind
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_ESTABLISH_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_drr_dl_establish_ind (UBYTE ch_type,
+                                             UBYTE sapi, UBYTE indication)
+{
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();
+  TRACE_EVENT_WIN ("sig_invoke_drr_dl_establish_ind()");
+  signal->u.establish_ind.ch_type = ch_type;
+  signal->u.establish_ind.sapi = sapi;
+  signal->u.establish_ind.indication = indication;
+#ifdef TI_PS_HCOMM_CHANGE
+  PSIGNAL(_hCommDL, DL_SIGNAL_ESTABLISH_IND, signal);
+#else
+  PSIGNAL(hCommDL, DL_SIGNAL_ESTABLISH_IND, signal);
+#endif
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_drr_dl_establish_ind
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_ESTABLISH_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_drr_dl_establish_ind (T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_drr_dl_establish_ind()");
+  drr_dl_establish_ind (signal->u.establish_ind.ch_type,
+                signal->u.establish_ind.sapi, signal->u.establish_ind.indication);
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_drr_dl_establish_cnf
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_ESTABLISH_CNF
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_drr_dl_establish_cnf (UBYTE ch_type, UBYTE sapi)
+{
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();
+  TRACE_EVENT_WIN ("sig_invoke_drr_dl_establish_cnf()");
+  signal->u.establish_cnf.ch_type = ch_type;
+  signal->u.establish_cnf.sapi = sapi;
+#ifdef TI_PS_HCOMM_CHANGE
+  PSIGNAL(_hCommDL, DL_SIGNAL_ESTABLISH_CNF, signal);
+#else
+  PSIGNAL(hCommDL, DL_SIGNAL_ESTABLISH_CNF, signal);
+#endif
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_drr_dl_establish_cnf
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_ESTABLISH_CNF
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_drr_dl_establish_cnf (T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_drr_dl_establish_cnf()");
+  drr_dl_establish_cnf (signal->u.establish_cnf.ch_type,
+    signal->u.establish_cnf.sapi);
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_drr_dl_data_cnf
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_DATA_CNF
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_drr_dl_data_cnf (UBYTE sapi)
+{
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();
+  TRACE_EVENT_WIN ("sig_invoke_drr_dl_data_cnf()");
+  signal->u.data_cnf.sapi = sapi;
+#ifdef TI_PS_HCOMM_CHANGE
+  PSIGNAL(_hCommDL, DL_SIGNAL_DATA_CNF, signal);
+#else
+  PSIGNAL(hCommDL, DL_SIGNAL_DATA_CNF, signal);
+#endif
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_drr_dl_data_cnf
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_DATA_CNF
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_drr_dl_data_cnf (T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_drr_dl_data_cnf()");
+  drr_dl_data_cnf (signal->u.data_cnf.sapi);
+}
+
+#if 0 /* happens in primitive context only */
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_drr_dl_unitdata_ind
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_UNITDATA_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_drr_dl_unitdata_ind (UBYTE error_flag, UBYTE * layer1head, 
+                                            UBYTE * layer3msg,UBYTE length, 
+                                            ULONG fn)
+{
+  GET_INSTANCE_DATA;
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();
+  TRACE_EVENT_WIN ("sig_invoke_drr_dl_unitdata_ind()");
+  signal->u.unitdata_ind.error_flag = error_flag;
+#ifdef TI_PS_16BIT_CPY
+  api_memcpy(signal->u.unitdata_ind.layer1head,  layer1head,
+    sizeof(signal->u.unitdata_ind.layer1head));
+  api_memcpy(signal->u.unitdata_ind.layer3msg,  layer3msg, length);
+#else
+  memcpy(signal->u.unitdata_ind.layer1head,  layer1head,
+    sizeof(signal->u.unitdata_ind.layer1head));
+  memcpy(signal->u.unitdata_ind.layer3msg,  layer3msg, length);
+#endif
+  signal->u.unitdata_ind.length = length;
+  signal->u.unitdata_ind.fn = fn;
+  PSIGNAL(hCommDL, DL_SIGNAL_UNITDATA_IND, signal);
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_drr_dl_unitdata_ind
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_UNITDATA_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_drr_dl_unitdata_ind (T_DL_DATA_STORE *dl_data,
+                                     T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_drr_dl_unitdata_ind()");
+  drr_dl_unitdata_ind (dl_data,
+    signal->u.unitdata_ind.error_flag,
+    signal->u.unitdata_ind.layer1head,
+    signal->u.unitdata_ind.layer3msg,
+    signal->u.unitdata_ind.length,
+    signal->u.unitdata_ind.fn);
+}
+#endif /* 0 */
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_drr_dl_short_unitdata_ind
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_SHORT_UNITDATA_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_drr_dl_short_unitdata_ind (UBYTE ch_type,
+                                    UBYTE error_flag, UBYTE * layer1head,
+                                    UBYTE * layer3msg, UBYTE length, ULONG fn)
+{
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();	  
+  TRACE_EVENT_WIN ("sig_invoke_drr_dl_short_unitdata_ind()");
+  signal->u.short_unitdata_ind.ch_type = ch_type;
+  signal->u.short_unitdata_ind.error_flag = error_flag;
+#ifdef TI_PS_16BIT_CPY
+  api_memcpy(signal->u.short_unitdata_ind.layer1head,  layer1head,
+    sizeof(signal->u.short_unitdata_ind.layer1head));
+  api_memcpy(signal->u.short_unitdata_ind.layer3msg,  layer3msg, length);
+#else
+  memcpy(signal->u.short_unitdata_ind.layer1head,  layer1head,
+    sizeof(signal->u.short_unitdata_ind.layer1head));
+  memcpy(signal->u.short_unitdata_ind.layer3msg,  layer3msg, length);
+#endif
+  signal->u.short_unitdata_ind.length = length;
+  signal->u.short_unitdata_ind.fn = fn;
+#ifdef TI_PS_HCOMM_CHANGE
+  PSIGNAL(_hCommDL, DL_SIGNAL_SHORT_UNITDATA_IND, signal);
+#else
+  PSIGNAL(hCommDL, DL_SIGNAL_SHORT_UNITDATA_IND, signal);
+#endif
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_drr_dl_short_unitdata_ind
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_SHORT_UNITDATA_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_drr_dl_short_unitdata_ind (
+                                         T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_drr_dl_short_unitdata_ind()");
+  drr_dl_short_unitdata_ind (
+    signal->u.short_unitdata_ind.ch_type,
+    signal->u.short_unitdata_ind.error_flag,
+    signal->u.short_unitdata_ind.layer1head,
+    signal->u.short_unitdata_ind.layer3msg,
+    signal->u.short_unitdata_ind.length,
+    signal->u.short_unitdata_ind.fn);
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_drr_dl_release_ind
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_RELEASE_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_drr_dl_release_ind (UBYTE ch_type, UBYTE sapi, 
+                                           UBYTE cs, BOOL init)
+{
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();
+  TRACE_EVENT_WIN ("sig_invoke_drr_dl_release_ind()");
+  signal->u.release_ind.ch_type = ch_type;
+  signal->u.release_ind.sapi = sapi;
+  signal->u.release_ind.cs = cs;
+  signal->u.release_ind.init = init;
+#ifdef TI_PS_HCOMM_CHANGE
+  PSIGNAL(_hCommDL, DL_SIGNAL_RELEASE_IND, signal);
+#else
+  PSIGNAL(hCommDL, DL_SIGNAL_RELEASE_IND, signal);
+#endif
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_drr_dl_release_ind
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_RELEASE_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_drr_dl_release_ind (T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_drr_dl_release_ind()");
+  drr_dl_release_ind (signal->u.release_ind.ch_type,
+    signal->u.release_ind.sapi, signal->u.release_ind.cs,
+    signal->u.release_ind.init);
+
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_drr_dl_release_cnf
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_RELEASE_CNF
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_drr_dl_release_cnf (UBYTE ch_type,
+                                           UBYTE sapi, BOOL init)
+{
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();
+  TRACE_EVENT_WIN ("sig_invoke_drr_dl_release_cnf()");
+  signal->u.release_cnf.ch_type = ch_type;
+  signal->u.release_cnf.sapi = sapi;
+  signal->u.release_cnf.init = init;
+#ifdef TI_PS_HCOMM_CHANGE
+  PSIGNAL(_hCommDL, DL_SIGNAL_RELEASE_CNF, signal);
+#else
+  PSIGNAL(hCommDL, DL_SIGNAL_RELEASE_CNF, signal);
+#endif
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_drr_dl_release_cnf
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_RELEASE_CNF
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_drr_dl_release_cnf ( T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_drr_dl_release_cnf()");
+  drr_dl_release_cnf (signal->u.release_cnf.ch_type,
+    signal->u.release_cnf.sapi, signal->u.release_cnf.init);
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_drr_error_ind
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_ERROR_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_drr_error_ind (UBYTE ch_type, UBYTE sapi)
+{
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();
+  TRACE_EVENT_WIN ("sig_invoke_drr_error_ind()");
+  signal->u.error_ind.ch_type = ch_type;
+  signal->u.error_ind.sapi = sapi;
+#ifdef TI_PS_HCOMM_CHANGE
+  PSIGNAL(_hCommDL, DL_SIGNAL_ERROR_IND, signal);
+#else
+  PSIGNAL(hCommDL, DL_SIGNAL_ERROR_IND, signal);
+#endif
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_drr_error_ind
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_ERROR_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_drr_error_ind (T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_drr_error_ind()");
+  drr_error_ind (signal->u.error_ind.ch_type,
+    signal->u.error_ind.sapi);
+}  
+
+#if defined(FF_EM_MODE)
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_dl_em_write
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_EM_WRITE
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_dl_em_write (UBYTE length, UBYTE * data)
+{
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();
+  TRACE_EVENT_WIN ("sig_invoke_dl_em_write()");
+  signal->u.em_write.length = length;
+#ifdef TI_PS_16BIT_CPY
+  api_memcpy(signal->u.em_write.data,  data, length);
+#else
+  memcpy(signal->u.em_write.data,  data, length);
+#endif
+  PSIGNAL(hCommDL, DL_SIGNAL_EM_WRITE, signal);
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_dl_em_write
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_EM_WRITE
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_dl_em_write (T_DL_DATA_STORE *dl_data,
+                                    T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_dl_em_write()");
+  em_dl_write (signal->u.em_write.length, signal->u.em_write.data);
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_dl_em_first_event_check
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_EM_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_dl_em_first_event_check (void)
+{
+  TRACE_EVENT_WIN ("sig_invoke_dl_em_first_event_check()");
+  PSIGNAL(hCommDL, DL_SIGNAL_EM_IND, NULL);
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_dl_em_first_event_check
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_EM_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_dl_em_first_event_check ()
+{
+  TRACE_EVENT_WIN ("sig_handle_dl_em_first_event_check()");
+  dl_em_first_event_check();
+}
+#endif  /* FF_EM_MODE */
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_com_concatenate
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_DATA_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_com_concatenate ( T_DL_DATA_IND ** in_msg, 
+                                         UBYTE * new_data_in)
+{
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();
+  TRACE_EVENT_WIN ("sig_invoke_com_concatenate()");
+  signal->u.concatenate.in_msg = in_msg;
+#ifdef TI_PS_16BIT_CPY
+  api_memcpy (signal->u.concatenate.new_data_in, new_data_in, MAX_L2_FRAME_SIZE);
+#else
+  memcpy (signal->u.concatenate.new_data_in, new_data_in, MAX_L2_FRAME_SIZE);
+#endif
+#ifdef TI_PS_HCOMM_CHANGE
+  PSIGNAL(_hCommDL, DL_SIGNAL_CONCATENATE, signal);
+#else
+  PSIGNAL(hCommDL, DL_SIGNAL_CONCATENATE, signal);
+#endif
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_com_concatenate
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_CONCATENATE
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_com_concatenate (T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_com_concatenate()");
+  com_concatenate (signal->u.concatenate.in_msg,
+                            signal->u.concatenate.new_data_in);
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_com_free_pointer
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_FREE_POINTER
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_com_free_pointer (void *pointer)
+{
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();
+  TRACE_EVENT_WIN ("sig_invoke_com_free_pointer()");
+  signal->u.free_pointer.pointer = pointer;
+#ifdef TI_PS_HCOMM_CHANGE
+  PSIGNAL(_hCommDL, DL_SIGNAL_FREE_POINTER, signal);
+#else
+  PSIGNAL(hCommDL, DL_SIGNAL_FREE_POINTER, signal);
+#endif
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_drr_error_ind
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_ERROR_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_com_free_pointer(T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_com_free_pointer()");
+  COM_FREE_POINTER (signal->u.free_pointer.pointer);
+  signal->u.free_pointer.pointer = NULL;
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_com_data_ind
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_CONCATENATE
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_com_data_ind (UBYTE ch_type,
+                                     UBYTE sapi, ULONG fn)
+{
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();
+  TRACE_EVENT_WIN ("sig_invoke_com_data_ind()");
+  signal->u.data_ind.ch_type = ch_type;
+  signal->u.data_ind.sapi = sapi;
+  signal->u.data_ind.fn = fn;
+#ifdef TI_PS_HCOMM_CHANGE
+  PSIGNAL(_hCommDL, DL_SIGNAL_DATA_IND, signal);
+#else
+  PSIGNAL(hCommDL, DL_SIGNAL_DATA_IND, signal);
+#endif
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_com_data_ind
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_DATA_IND
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_com_data_ind (T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_com_data_ind()");
+  com_data_ind(signal->u.data_ind.ch_type, signal->u.data_ind.sapi,
+                        signal->u.data_ind.fn);
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_com_l3trace
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_L3TRACE
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_com_l3trace (UBYTE type, UBYTE ch_type, UBYTE *frame)
+{
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();
+  TRACE_EVENT_WIN ("sig_invoke_com_l3_trace()");
+  signal->u.l3trace.type = type;
+  signal->u.l3trace.ch_type = ch_type;
+  /*
+   * Attention: The down- or uplinked message will not copy. The pointer
+   * of the frame is stored only. Please be aware that the frame have to trace
+   * before it will free.
+   */
+  signal->u.l3trace.frame = frame;
+#ifdef TI_PS_HCOMM_CHANGE
+  PSIGNAL(_hCommDL, DL_SIGNAL_L3TRACE, signal);
+#else
+  PSIGNAL(hCommDL, DL_SIGNAL_L3TRACE, signal);
+#endif
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_com_l3trace
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_L3TRACE
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_com_l3trace( T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_com_l3trace()");
+  com_l3trace (signal->u.l3trace.type, signal->u.l3trace.ch_type, signal->u.l3trace.frame);
+}
+
+#if defined(DL_TRACE_ENABLED) && defined(DL_IMMEDIATE_TRACE)
+/*
++------------------------------------------------------------------------------
+| Function    : sig_invoke_com_l2trace
++------------------------------------------------------------------------------
+| Description : Invokes the signal DL_SIGNAL_L2TRACE
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_invoke_com_l2trace (UBYTE trace_type,
+                               UBYTE channel, UBYTE ch_type, T_TIME trace_time,
+                               UBYTE* data)
+{
+  T_DL_SIGNAL_DATA * signal = sig_get_signal_data ();
+  TRACE_EVENT_WIN ("sig_invoke_com_l2trace()");
+  signal->u.l2trace.trace_type = trace_type;
+  signal->u.l2trace.channel = channel;
+  signal->u.l2trace.ch_type = ch_type;
+  signal->u.l2trace.trace_time = trace_time;
+  if (data)
+  {
+    signal->u.l2trace.data_len = MAX_L2_FRAME_SIZE;
+    /*
+     * lint Warning 420: Apparent access beyond array ...
+     * The argument 2 (data) may be smaller than MAX_L2_FRAME_SIZE,
+     * but it makes no sense to detect the kind and length of the data first
+     * (frame of SACCH or DCCH, string -> strlen) to avoid a read beyond array.
+     */
+    memcpy (signal->u.l2trace.data, data, MAX_L2_FRAME_SIZE);
+  }
+  else
+    signal->u.l2trace.data_len = 0;
+#ifdef TI_PS_HCOMM_CHANGE
+  PSIGNAL(_hCommDL, DL_SIGNAL_L2TRACE, signal);
+#else
+  PSIGNAL(hCommDL, DL_SIGNAL_L2TRACE, signal);
+#endif
+}
+
+/*
++------------------------------------------------------------------------------
+| Function    : sig_handle_com_l2trace
++------------------------------------------------------------------------------
+| Description : Handles the signal DL_SIGNAL_L2TRACE
++------------------------------------------------------------------------------
+*/
+GLOBAL void sig_handle_com_l2trace(T_DL_SIGNAL_DATA * signal)
+{
+  TRACE_EVENT_WIN ("sig_handle_com_l2trace()");
+  com_l2trace (signal->u.l2trace.trace_type, signal->u.l2trace.channel,
+    signal->u.l2trace.ch_type,
+    signal->u.l2trace.trace_time,
+    signal->u.l2trace.data_len ? signal->u.l2trace.data : NULL);
+}
+#endif  /* DL_TRACE_ENABLED && DL_IMMEDIATE_TRACE */
+
+#endif  /* INVOKE_SIGNAL */
+#endif /* DL_SIGNAL_C */
+