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comparison src/g23m-gprs/grr/grr_psip.c @ 1:d393cd9bb723

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src/g23m-*: initial import from Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 04:40:46 +0000
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0:b6a5e36de839 1:d393cd9bb723
1 /*
2 +-----------------------------------------------------------------------------
3 | Project : GPRS (8441)
4 | Modul : GRR
5 +-----------------------------------------------------------------------------
6 | Copyright 2002 Texas Instruments Berlin, AG
7 | All rights reserved.
8 |
9 | This file is confidential and a trade secret of Texas
10 | Instruments Berlin, AG
11 | The receipt of or possession of this file does not convey
12 | any rights to reproduce or disclose its contents or to
13 | manufacture, use, or sell anything it may describe, in
14 | whole, or in part, without the specific written consent of
15 | Texas Instruments Berlin, AG.
16 +-----------------------------------------------------------------------------
17 | Purpose : This module implements primitive handler functions for service
18 | PSI of entity GRR.
19 +-----------------------------------------------------------------------------
20 */
21
22 #ifndef GRR_PSIP_C
23 #define GRR_PSIP_C
24 #endif
25
26 #define ENTITY_GRR
27
28 /*==== INCLUDES =============================================================*/
29
30 #include "typedefs.h" /* to get Condat data types */
31 #include <string.h>
32
33 #include "vsi.h" /* to get a lot of macros */
34 #include "macdef.h"
35 #include "gprs.h"
36 #include "gsm.h" /* to get a lot of macros */
37 #include "ccdapi.h" /* to get CCD API */
38 #include "cnf_grr.h" /* to get cnf-definitions */
39 #include "mon_grr.h" /* to get mon-definitions */
40 #include "prim.h" /* to get the definitions of used SAP and directions */
41 #include "message.h"
42 #include "grr.h" /* to get the global entity definitions */
43
44 #include "grr_f.h" /* */
45
46 #include "grr_psip.h" /* header file of primitives*/
47
48 #include "grr_psif.h" /* header file of functions*/
49
50 #include "grr_meass.h" /* signals exchanged between PSI and MEAS*/
51 #include "grr_ctrls.h" /* header file of functions*/
52
53 /*==== CONST ================================================================*/
54
55 /*==== LOCAL VARS ===========================================================*/
56
57 /*==== PRIVATE FUNCTIONS ====================================================*/
58
59 /*==== PUBLIC FUNCTIONS =====================================================*/
60
61
62
63 /*
64 +------------------------------------------------------------------------------
65 | Function : psi_t_60_sec
66 +------------------------------------------------------------------------------
67 | Description : Handles the primitive T_60_SEC
68 |
69 | Parameters : void
70 |
71 +------------------------------------------------------------------------------
72 */
73 GLOBAL void psi_t_60_sec ( void )
74 {
75 TRACE_FUNCTION( "t_60_sec" );
76
77 #ifndef _TARGET_
78
79 /*
80 * No PSI1 or PSI13 or SI13 received within 60 sec
81 * This will result in a cell reselection
82 */
83 TRACE_EVENT( "No PSI1 or PSI13 or SI13 received within 60 sec" );
84
85 sig_psi_ctrl_psi1or_psi13_receiption_failure();
86
87 #else /* #ifndef _TARGET_ */
88
89 TRACE_EVENT( "Processing timeout of T_60_SEC disabled on target" );
90
91 #endif /* #ifndef _TARGET_ */
92
93 } /* psi_t_60_sec() */
94
95
96
97 /*
98 +------------------------------------------------------------------------------
99 | Function : psi_t_30_sec
100 +------------------------------------------------------------------------------
101 | Description : Handles the primitive T_30_SEC
102 |
103 | Parameters : void
104 |
105 +------------------------------------------------------------------------------
106 */
107 GLOBAL void psi_t_30_sec ( void)
108 {
109 TRACE_FUNCTION( "t_30_sec" );
110
111 /*#ifndef _TARGET_*/
112 /*
113 * No PSI1 received within 30 sec
114 */
115
116 switch( GET_STATE( PSI ) )
117 {
118 case PSI_TRANSFER:
119 if(grr_data->test_mode NEQ CGRLC_NO_TEST_MODE)
120 {
121 psi_start_30sec();
122 TRACE_EVENT( "T_30_SEC received during test mode" );
123 break;
124 }
125 /*lint -fallthrough*/
126 case PSI_IDLE:
127 /*
128 If the mobile station has not received the PSI1 message within the last 30 seconds,
129 it shall attempt to receive the PSI1 message each time it is scheduled on PBCCH.
130 Such attempts shall be made during both packet idle and packet transfer modes.
131 */
132 switch(psc_db->acq_type)
133 {
134 case NONE:
135 psc_db->acq_type = PERIODICAL_PSI1_READING;
136 psi_receive_psi(READ_PSI1_IN_PSI1_REPEAT_PERIODS);
137 break;
138 default:
139 /*
140 * Access to the network not allowed or complete PSI
141 * has not been read. Nothing to do. Acquisition is running
142 */
143 TRACE_EVENT("PSI not complete/ access not allowed");
144 break;
145 }
146 break;
147 case PSI_BCCH_TRANSFER:
148 if(grr_data->test_mode NEQ CGRLC_NO_TEST_MODE)
149 {
150 psi_start_30sec();
151 TRACE_EVENT( "T_30_SEC received during test mode" );
152 break;
153 }
154 /*lint -fallthrough*/
155 case PSI_BCCH_IDLE:
156 /*
157 If the mobile station has received neither the SI13 nor the PSI13 message within
158 the last 30 seconds, it shall attempt to receive the SI13 message each time it is
159 scheduled on BCCH. Such attempts shall be made during both packet idle and packet
160 transfer modes.
161 */
162 switch(psc_db->acq_type)
163 {
164 case NONE:
165 psc_db->acq_type = PERIODICAL_SI13_READING;
166 sig_psi_ctrl_read_si( UPDATE_SI13 );
167 break;
168 default:
169 /*
170 * Access to the network not allowed or complete SI
171 * has not been read. Nothing to do. Acquisition is running
172 */
173 TRACE_EVENT("SI not complete/ access not allowed");
174 break;
175 }
176 break;
177 default:
178 TRACE_ERROR( "T_30_SEC unexpected" );
179 break;
180 }
181 /*#endif*/
182 } /* psi_t_30_sec() */
183
184
185
186 /*
187 +------------------------------------------------------------------------------
188 | Function : psi_t_10_sec
189 +------------------------------------------------------------------------------
190 | Description : Handles the primitive T_10_SEC
191 |
192 | Parameters : void
193 |
194 +------------------------------------------------------------------------------
195 */
196 GLOBAL void psi_t_10_sec ( void )
197 {
198 TRACE_FUNCTION( "t_10_sec" );
199 /*
200 * partial or complete acq has not completed within 10 seconds
201 */
202 /*#ifndef _TARGET_*/
203
204 if( grr_t_status( T3174 ) > 0 )
205 {
206 TRACE_EVENT( "psi_t_10_sec expired when t3174 is running" );
207 return;
208 }
209
210 switch( GET_STATE( PSI ) )
211 {
212 case PSI_IDLE:
213 case PSI_TRANSFER:
214 psi_stop_10sec();
215 /* If the mobile station has not received the required messages within 10 seconds
216 * after the start of the acquisition procedure, an attempt to receive a missing message
217 * shall be made each time the message is scheduled on the broadcast channel.
218 * This case should not happen -except the network goes down. Reason:
219 * in case of partial or complete acquisition we read all required (P)SI messages
220 * each time the message is scheduled on the broadcast channel. Our reading process
221 * continues until the 60 second expires or we receive the required messages.
222 * If the 60 second timer expires we should perform a cell selection
223 */
224 psi_update_data_to_request(INIT_NOT_NEEDED );
225 switch(psc_db->acq_type)
226 {
227 case COMPLETE:
228 psi_complete_acq(COMPLETE);
229 break;
230 case PARTIAL:
231 psi_partial_acq();
232 psc_db->send_psi_status = TRUE; /* this parameters has meaning if the network supports PSI STATUS */
233 break;
234 default:
235 TRACE_ERROR("Unknown acq_type in T_10_sec (PBCCH)");
236 break;
237 }
238 break;
239 case PSI_BCCH_IDLE:
240 case PSI_BCCH_TRANSFER:
241 psi_stop_10sec();
242 /* Please see comment above */
243 switch(psc_db->acq_type)
244 {
245 case COMPLETE:
246 sig_psi_ctrl_read_si(COMPLETE_SI);
247 break;
248 case PARTIAL:
249 sig_psi_ctrl_read_si(psc_db->si_to_acquire);
250 break;
251 default:
252 TRACE_ERROR("Unknown acq_type in T_10_sec (BCCH)");
253 break;
254 }
255 break;
256 default:
257 TRACE_ERROR( "T_10_SEC unexpected" );
258 break;
259
260 }
261 /*#endif*/
262 } /* psi_t_10_sec() */
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286
287 /*
288 +------------------------------------------------------------------------------
289 | Function : psi_complete_psi_read_failed
290 +------------------------------------------------------------------------------
291 | Description : Handles the primitive PSI_COMPLETE_PSI_READ_FAILED
292 |
293 | Parameters : void
294 |
295 +------------------------------------------------------------------------------
296 */
297 GLOBAL void psi_complete_psi_read_failed ( void )
298 {
299 TRACE_FUNCTION( "psi_complete_psi_read_failed" );
300 /*
301 * reading of complete PSI within 10 sec failed
302 * Stop PBCCH reading if running,
303 * Inform CTRL, cell reselection should be performed
304 */
305 TRACE_EVENT("reading of complete PSI within 10 sec failed");
306
307 if( grr_t_status( T3174 ) > 0 )
308 {
309 TRACE_EVENT( "psi_complete_psi expired when t3174 is running" );
310 return;
311 }
312
313 SET_STATE( PSI, PSI_NULL );
314 if(psc_db->acq_type NEQ NONE) /* acquisition has been running, so we have to stop this acq.*/
315 {
316 TRACE_EVENT("psi_stop_psi_reading");
317 psi_stop_psi_reading(NONE);
318 }
319
320 psi_stop_timer();
321 psi_reset_all();
322 /*
323 * Perform CR
324 */
325 sig_psi_ctrl_psi1or_psi13_receiption_failure();
326
327 } /* psi_complete_psi_read_failed() */