--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-gsm/dl/dl_trc.c	Fri Oct 16 06:25:50 2020 +0000
@@ -0,0 +1,346 @@
+/*
++-----------------------------------------------------------------------------
+|  Project :  GSM-PS
+|  Modul   :  DL_TRC
++-----------------------------------------------------------------------------
+|  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 functions for tracing (only simulation)
++-----------------------------------------------------------------------------
+*/
+
+#ifndef DL_TRC_C
+#define DL_TRC_C
+
+#define ENTITY_DL
+
+
+/*==== INCLUDES ===================================================*/
+#if defined (NEW_FRAME)
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include "typedefs.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"
+
+#else
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include "stddefs.h"
+#include "pconst.cdg"
+#include "custom.h"
+#include "gsm.h"
+#include "mon_dl.h"
+#include "prim.h"
+#include "vsi.h"
+#include "pei.h"
+#include "tok.h"
+#include "ccdapi.h"
+#include "dl.h"
+
+#endif
+
+#include "dl_trc.h"
+
+#if defined(DL_TRACE_WIN32)
+
+#define  DL_TRC_DELAY()    /* vsi_t_sleep (VSI_CALLER 1) */
+
+#define  MY_ENTER_CRITICAL_SECTION(s)  dl_trc_enter_critical_section(s)
+#define  MY_LEAVE_CRITICAL_SECTION(s)  dl_trc_leave_critical_section(s)
+
+LOCAL char  local_buffer[300];
+LOCAL int   idx;
+#if defined (NEW_FRAME)
+LOCAL T_HANDLE    sem_buf_acces;
+#else
+LOCAL T_VSI_SHANDLE  sem_buf_acces;
+#endif
+
+LOCAL const char * const FrameName[] =
+  {
+    "I",      /* 0  I */
+    "RR",     /* 1  S */
+    "RNR",    /* 2  S */
+    "REJ",    /* 3  S */
+    "SABM",   /* 4  U */
+    "DM",     /* 5  U */
+    "UI",     /* 6  U */
+    "DISC",   /* 7  U */
+    "UA",     /* 8  U */
+    "unknown"
+  };
+LOCAL const char * const ChannelType[] =
+{
+  "?<", "SA", "SD", "FH", "FF", "?>"
+};
+enum  frame_type_e
+  {
+    FT_I,
+    FT_RR,
+    FT_RNR,
+    FT_REJ,
+    FT_SABM,
+    FT_DM,
+    FT_UI,
+    FT_DISC,
+    FT_UA,
+    FT_UNKNOWN
+  };
+
+
+#if defined (NEW_FRAME)
+GLOBAL int dl_trc_enter_critical_section (T_HANDLE sem)
+#else
+GLOBAL int dl_trc_enter_critical_section (T_VSI_SHANDLE sem)
+#endif  /* NEW_FRAME */
+{
+  idx++;
+  if (idx > 1)
+  {
+    sprintf (local_buffer, "idx=%d!", idx);
+    TRACE_EVENT (local_buffer);
+    vsi_t_sleep (VSI_CALLER 50);
+  }
+
+  if (vsi_s_get (VSI_CALLER sem) NEQ VSI_OK)
+  {
+    TRACE_EVENT ("dl_trc_enter_critical_section() semaphore error");
+    return -1;
+  }
+  else
+  {
+    /*
+    vsi_t_sleep (VSI_CALLER 1);
+    TRACE_EVENT ("dl_trc_enter_critical_section()");
+    */
+    return 0;
+  }
+}/* endfunc dl_trc_enter_critical_section */
+
+#if defined (NEW_FRAME)
+GLOBAL int dl_trc_leave_critical_section (T_HANDLE sem)
+#else
+GLOBAL int dl_trc_leave_critical_section (T_VSI_SHANDLE sem)
+#endif  /* NEW_FRAME */
+{
+  idx--;
+  if (vsi_s_release (VSI_CALLER sem) NEQ VSI_OK)
+  {
+    TRACE_EVENT ("dl_trc_leave_critical_section() semaphore error");
+    return -1;
+  }
+  else
+  {
+    /*
+    vsi_t_sleep (VSI_CALLER 1);
+    TRACE_EVENT ("dl_trc_leave_critical_section()");
+    */
+    return 0;
+  }
+}/* endfunc dl_trc_leave_critical_section */
+
+GLOBAL void dl_trc_init ()
+{
+  TRACE_FUNCTION ("dl_trc_init()");
+  idx = 0;
+#ifdef NEW_FRAME
+  sem_buf_acces  = vsi_s_open (VSI_CALLER "DL_TRC",1);
+#else
+  sem_buf_acces  = vsi_s_open (VSI_CALLER "DL_TRC");
+#endif  /* NEW_FRAME */
+
+  if (sem_buf_acces EQ VSI_ERROR)
+  {
+    TRACE_FUNCTION ("open semaphore error \"sem_buf_acces\"");
+  }
+#if 1
+  else if (!MY_ENTER_CRITICAL_SECTION (sem_buf_acces))
+  {
+    TRACE_FUNCTION ("open semaphore \"sem_buf_acces\"");
+    MY_LEAVE_CRITICAL_SECTION (sem_buf_acces);
+  }
+#endif  /* 0|1 */
+}/* endfunc dl_trc_init */
+
+GLOBAL void dl_trc_exit ()
+{
+  TRACE_FUNCTION ("dl_trc_exit()");
+  vsi_s_close (VSI_CALLER sem_buf_acces);
+}/* endfunc dl_trc_exit */
+
+
+GLOBAL void dl_trc_printf (char *fmt, ...)
+{
+  if (!MY_ENTER_CRITICAL_SECTION (sem_buf_acces))
+  {
+    va_list  vl;
+    char *buf = local_buffer;
+    va_start( vl, fmt );  /* Initialize variable arguments. */
+    vsprintf (buf, fmt, vl);
+    va_end ( vl );        /* Reset variable arguments.      */
+
+    DL_TRC_DELAY ();
+    TRACE_FUNCTION (buf);
+    DL_TRC_DELAY ();
+    MY_LEAVE_CRITICAL_SECTION (sem_buf_acces);
+  }
+}
+
+GLOBAL void dl_trc_print_array(unsigned char *pArray, int nLength)
+{
+  if (!MY_ENTER_CRITICAL_SECTION (sem_buf_acces))
+  {
+    int n, o;
+    char *buf = local_buffer;
+
+    for (n = 0, o = 0; (n < nLength) AND (o < ((int)sizeof (local_buffer)) - 7); n++)
+    {
+      o += sprintf (buf + o, "%02X ", *(pArray + n));
+    }
+
+    if (n < nLength)
+    {
+      o += sprintf (buf + o, "...");
+    }
+
+    DL_TRC_DELAY ();
+    TRACE_FUNCTION (buf);
+    DL_TRC_DELAY ();
+    MY_LEAVE_CRITICAL_SECTION (sem_buf_acces);
+  }
+}
+
+GLOBAL void dl_trc_frame(unsigned char ch_type, unsigned char *pFrame, int direction)
+{
+  /* direction 0: down, 1: up */
+
+  if (!MY_ENTER_CRITICAL_SECTION (sem_buf_acces))
+  {
+    int o = 0, n, l, m;
+    int  frametype;
+    int cmd = 0;
+    int pf = ((*(pFrame + 1)) & 0x10) >> 4;
+    char *buf = local_buffer;
+
+    if (ch_type >= 5)
+      ch_type = 5;
+
+    if (((*pFrame) & (BTER_FORMAT_MASK)) EQ (SHORT_L2_HEADER_TYPE_1))
+    {
+      int   len = ch_type EQ L2_CHANNEL_SACCH ? DL_N201_SACCH_Bter : DL_N201_DCCH_Bter;
+
+      /* format type Bter */
+      o += sprintf (buf+o, "--- %2s short PD: SAPI 0     ",
+        ChannelType[ch_type]);
+      o += sprintf (buf+o, "%2s %s %2s",
+        direction ? "  " : "<-", FrameName[FT_UI], direction ? "->" : "  ");
+      while (o < 60)
+        buf[o++] = 0x20;
+        o += sprintf (buf+o, "  l=%-2u ", len);
+      for (n = 0; n < len; n++)
+        o += sprintf (buf+o, " %02X", *(pFrame + n));
+    }
+    else
+    {
+      /* address field */
+      cmd = ((*pFrame)&0x02) ? direction ? 0 : 1
+        : direction ? 1 : 0;
+      o += sprintf (buf+o, "--- %2s %02X %02X %02X: SAPI %u %s ",
+        ChannelType[ch_type],
+        *(pFrame + 0), *(pFrame + 1), *(pFrame + 2),
+        /*direction?"UL->":"<-DL",*/
+        ((*pFrame)&0x1f)>>2,
+        cmd ? "cmd" : "rsp");
+      /* control field */
+      if ((*(pFrame + 1)) & 0x01)
+      {
+        if (((*(pFrame + 1)) & 0x03) EQ 0x03)
+        {
+          switch ((*(pFrame + 1)) & 0xef)  /* unnumbered */
+          {
+          case 0x2f: frametype = FT_SABM; break;
+          case 0x0f: frametype = FT_DM; break;
+          case 0x03: frametype = FT_UI; break;
+          case 0x43: frametype = FT_DISC; break;
+          case 0x63: frametype = FT_UA; break;
+          default:   frametype = FT_UNKNOWN; break;
+          }
+          o += sprintf (buf+o, "%c %14s",
+            pf ? (cmd ? 'P' : 'F') : ' ', "");
+        }
+        else
+        {
+          switch ((*(pFrame + 1)) & 0x0f) /* supervisory */
+          {
+          case 0x01: frametype = FT_RR; break;
+          case 0x05: frametype = FT_RNR; break;
+          case 0x09: frametype = FT_REJ; break;
+          default:   frametype = FT_UNKNOWN; break;
+          }
+          o += sprintf (buf+o, "%c %s=%u %7s",
+            pf ? (cmd ? 'P' : 'F') : ' ',
+            direction ? "N(R)" : "n(r)",
+            ((*(pFrame + 1)) & 0xe0) >> 5,
+            "");
+        }
+      }
+      else
+      {
+        frametype = FT_I;
+        o += sprintf (buf+o, "%c %s=%u %s=%u ",
+          pf ? (cmd ? 'P' : 'F') : ' ',
+          direction ? "N(R)" : "n(r)",
+          ((*(pFrame + 1)) & 0xe0) >> 5,
+          direction ? "N(S)" : "n(s)",
+          ((*(pFrame + 1)) & 0x0e) >> 1);
+      }
+
+      o += sprintf (buf+o, "%2s %s %2s",
+        direction ? "  " : "<-", FrameName[frametype], direction ? "->" : "  ");
+
+      /* length field */
+      l = (*(pFrame + 2)) >> 2;
+      m = (*(pFrame + 2)) & 0x02;
+      if (l OR m)
+      {
+        while (o < 60)
+          buf[o++] = 0x20;
+        o += sprintf (buf+o, "%c l=%-2u ", m ? 'M':' ', l);
+
+        for (n = 0; (n < l) AND (n < 20); n++)
+          o += sprintf (buf+o, " %02X", *(pFrame + 3 + n));
+      }
+    }
+
+    DL_TRC_DELAY ();
+    TRACE_FUNCTION (buf);
+    DL_TRC_DELAY ();
+    MY_LEAVE_CRITICAL_SECTION (sem_buf_acces);
+  }
+}/* endfunc dl_trc_frame */
+#endif  /* DL_TRACE_WIN32 */
+
+#endif  /* DL_TRC_C */
+