diff src/g23m-gprs/grr/grr_psip.c @ 183:219afcfc6250

src/g23m-gprs: initial import from TCS3.2/LoCosto
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 13 Oct 2016 04:24:13 +0000
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children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-gprs/grr/grr_psip.c	Thu Oct 13 04:24:13 2016 +0000
@@ -0,0 +1,327 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project :  GPRS (8441)
+|  Modul   :  GRR
++----------------------------------------------------------------------------- 
+|  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 module implements primitive handler functions for service
+|             PSI of entity GRR.
++----------------------------------------------------------------------------- 
+*/ 
+
+#ifndef GRR_PSIP_C
+#define GRR_PSIP_C
+#endif
+
+#define ENTITY_GRR
+
+/*==== INCLUDES =============================================================*/
+
+#include "typedefs.h"    /* to get Condat data types */
+#include <string.h>
+
+#include "vsi.h"        /* to get a lot of macros */
+#include "macdef.h"
+#include "gprs.h"
+#include "gsm.h"        /* to get a lot of macros */
+#include "ccdapi.h"     /* to get CCD API */
+#include "cnf_grr.h"    /* to get cnf-definitions */
+#include "mon_grr.h"    /* to get mon-definitions */
+#include "prim.h"       /* to get the definitions of used SAP and directions */
+#include "message.h"
+#include "grr.h"        /* to get the global entity definitions */
+
+#include "grr_f.h"      /* */
+
+#include "grr_psip.h"   /* header file of primitives*/
+
+#include "grr_psif.h"   /* header file of functions*/
+
+#include "grr_meass.h"   /* signals exchanged between PSI and MEAS*/
+#include "grr_ctrls.h"   /* header file of functions*/
+
+/*==== CONST ================================================================*/
+
+/*==== LOCAL VARS ===========================================================*/
+
+/*==== PRIVATE FUNCTIONS ====================================================*/
+
+/*==== PUBLIC FUNCTIONS =====================================================*/
+
+
+
+/*
++------------------------------------------------------------------------------
+| Function    : psi_t_60_sec
++------------------------------------------------------------------------------
+| Description : Handles the primitive T_60_SEC
+|
+| Parameters  : void
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL void psi_t_60_sec ( void )
+{
+  TRACE_FUNCTION( "t_60_sec" );
+
+#ifndef _TARGET_
+
+  /*
+   * No PSI1 or PSI13 or SI13 received within 60 sec
+   * This will result in a cell reselection
+   */
+  TRACE_EVENT( "No PSI1 or PSI13 or SI13 received within 60 sec" );
+  
+  sig_psi_ctrl_psi1or_psi13_receiption_failure();
+
+#else /* #ifndef _TARGET_ */
+  
+  TRACE_EVENT( "Processing timeout of T_60_SEC disabled on target" );
+
+#endif /* #ifndef _TARGET_ */
+
+} /* psi_t_60_sec() */
+
+
+
+/*
++------------------------------------------------------------------------------
+| Function    : psi_t_30_sec
++------------------------------------------------------------------------------
+| Description : Handles the primitive T_30_SEC
+|
+| Parameters  : void
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL void psi_t_30_sec ( void)
+{
+  TRACE_FUNCTION( "t_30_sec" );
+
+/*#ifndef _TARGET_*/
+  /*
+   * No PSI1 received within 30 sec
+   */
+
+  switch( GET_STATE( PSI ) )
+  {
+    case PSI_TRANSFER:
+      if(grr_data->test_mode NEQ CGRLC_NO_TEST_MODE) 
+      {
+        psi_start_30sec();
+        TRACE_EVENT( "T_30_SEC received during test mode" );
+        break;
+      }
+      /*lint -fallthrough*/
+    case PSI_IDLE:
+      /*
+        If the mobile station has not received the PSI1 message within the last 30 seconds,
+        it shall attempt to receive the PSI1 message each time it is scheduled on PBCCH.
+        Such attempts shall be made during both packet idle and packet transfer modes.
+      */
+      switch(psc_db->acq_type)
+      {
+        case NONE:
+          psc_db->acq_type = PERIODICAL_PSI1_READING;
+          psi_receive_psi(READ_PSI1_IN_PSI1_REPEAT_PERIODS);
+          break;
+        default:
+          /*
+           * Access to the network not allowed or complete PSI
+           * has not been read. Nothing to do. Acquisition is running
+           */
+          TRACE_EVENT("PSI not complete/ access not allowed");
+          break;
+      }
+      break;
+ case PSI_BCCH_TRANSFER:
+      if(grr_data->test_mode NEQ CGRLC_NO_TEST_MODE) 
+      {
+        psi_start_30sec();
+        TRACE_EVENT( "T_30_SEC received during test mode" );
+        break;
+      }
+      /*lint -fallthrough*/
+    case PSI_BCCH_IDLE:
+      /*
+        If the mobile station has received neither the SI13 nor the PSI13 message within
+        the last 30 seconds, it shall attempt to receive the SI13 message each time it is
+        scheduled on BCCH. Such attempts shall be made during both packet idle and packet
+        transfer modes.
+      */
+      switch(psc_db->acq_type)
+      {
+        case NONE:
+          psc_db->acq_type = PERIODICAL_SI13_READING;
+          sig_psi_ctrl_read_si( UPDATE_SI13 );
+          break;
+        default:
+          /*
+           * Access to the network not allowed or complete SI
+           * has not been read. Nothing to do. Acquisition is running
+           */
+          TRACE_EVENT("SI not complete/ access not allowed");
+          break;
+      }
+      break;
+    default:
+      TRACE_ERROR( "T_30_SEC unexpected" );
+      break;
+  }
+/*#endif*/
+} /* psi_t_30_sec() */
+
+
+
+/*
++------------------------------------------------------------------------------
+| Function    : psi_t_10_sec
++------------------------------------------------------------------------------
+| Description : Handles the primitive T_10_SEC
+|
+| Parameters  : void
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL void psi_t_10_sec ( void )
+{
+  TRACE_FUNCTION( "t_10_sec" );
+  /*
+   * partial or complete acq has not completed within 10 seconds
+   */
+/*#ifndef _TARGET_*/
+
+  if( grr_t_status( T3174 ) > 0 )
+  {
+	  TRACE_EVENT( "psi_t_10_sec expired when t3174 is running" );
+    return;
+  }
+
+  switch( GET_STATE( PSI ) )  
+  {            
+    case PSI_IDLE:
+    case PSI_TRANSFER:
+      psi_stop_10sec();
+      /*  If the mobile station has not received the required messages within 10 seconds
+       *  after the start of the acquisition procedure, an attempt to receive a missing message
+       *  shall be made each time the message is scheduled on the broadcast channel.
+       *  This case should not happen -except the network goes down. Reason:
+       *  in case of partial or complete acquisition we read all required (P)SI messages
+       *  each time the message is scheduled on the broadcast channel. Our reading process
+       *  continues until the 60 second   expires or we receive the required messages.
+       *  If the 60 second timer expires we should perform a cell selection
+       */
+      psi_update_data_to_request(INIT_NOT_NEEDED );
+      switch(psc_db->acq_type)
+        {
+          case COMPLETE:
+            psi_complete_acq(COMPLETE);
+            break;
+          case PARTIAL:
+            psi_partial_acq();
+            psc_db->send_psi_status = TRUE; /* this parameters has meaning if the network supports PSI STATUS */
+            break;
+          default:
+            TRACE_ERROR("Unknown acq_type in T_10_sec (PBCCH)");
+            break;
+        }
+        break;
+    case PSI_BCCH_IDLE:
+    case PSI_BCCH_TRANSFER:
+      psi_stop_10sec();
+      /*  Please see comment above */
+      switch(psc_db->acq_type)
+        {
+          case COMPLETE:
+            sig_psi_ctrl_read_si(COMPLETE_SI);
+            break;
+          case PARTIAL:
+            sig_psi_ctrl_read_si(psc_db->si_to_acquire);
+            break;
+          default:
+            TRACE_ERROR("Unknown acq_type in T_10_sec (BCCH)");
+            break;
+        }
+        break;
+      default:
+        TRACE_ERROR( "T_10_SEC unexpected" );
+        break;
+	
+  }
+/*#endif*/
+} /* psi_t_10_sec() */
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+/*
++------------------------------------------------------------------------------
+| Function    : psi_complete_psi_read_failed
++------------------------------------------------------------------------------
+| Description : Handles the primitive PSI_COMPLETE_PSI_READ_FAILED
+|
+| Parameters  : void
+|
++------------------------------------------------------------------------------
+*/
+GLOBAL void psi_complete_psi_read_failed ( void )
+{
+  TRACE_FUNCTION( "psi_complete_psi_read_failed" );
+  /*
+   * reading of complete PSI within 10 sec failed
+   * Stop PBCCH reading if running,
+   * Inform CTRL, cell reselection should be performed
+   */
+  TRACE_EVENT("reading of complete PSI within 10 sec failed");
+
+  if( grr_t_status( T3174 ) > 0 )
+  {
+	  TRACE_EVENT( "psi_complete_psi expired when t3174 is running" );
+    return;
+  }
+
+  SET_STATE( PSI, PSI_NULL );
+  if(psc_db->acq_type NEQ NONE) /* acquisition has been running, so we have to stop this acq.*/
+  {
+    TRACE_EVENT("psi_stop_psi_reading");
+    psi_stop_psi_reading(NONE);
+  }
+  
+  psi_stop_timer();
+  psi_reset_all();
+  /*
+   * Perform CR
+   */
+  sig_psi_ctrl_psi1or_psi13_receiption_failure();
+  
+} /* psi_complete_psi_read_failed() */