annotate src/g23m-gprs/grr/grr_csp.c @ 303:f76436d19a7a default tip

!GPRS config: fix long-standing AT+COPS chance hanging bug There has been a long-standing bug in FreeCalypso going back years: sometimes in the AT command bring-up sequence of an ACI-only MS, the AT+COPS command would produce only a power scan followed by cessation of protocol stack activity (only L1 ADC traces), instead of the expected network search sequence. This behaviour was seen in different FC firmware versions going back to Citrine, and seemed to follow some law of chance, not reliably repeatable. This bug has been tracked down and found to be specific to !GPRS configuration, stemming from our TCS2/TCS3 hybrid and reconstruction of !GPRS support that was bitrotten in TCS3.2/LoCosto version. ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3 version and had to be pulled from TCS2 - but as it turns out, there is a new field in the MMR_REG_REQ primitive that needs to be set correctly, and that psa_mms.c module is the place where this initialization needed to be added.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 08 Jun 2023 08:23:37 +0000
parents fa8dc04885d8
children
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1
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : GPRS (8441)
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4 | Modul : GRR
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2002 Texas Instruments Berlin, AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Texas
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10 | Instruments Berlin, AG
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11 | The receipt of or possession of this file does not convey
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12 | any rights to reproduce or disclose its contents or to
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13 | manufacture, use, or sell anything it may describe, in
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14 | whole, or in part, without the specific written consent of
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15 | Texas Instruments Berlin, AG.
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16 +-----------------------------------------------------------------------------
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17 | Purpose : This module implements primitive handler functions for service
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18 | CS of entity GRR.
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19 +-----------------------------------------------------------------------------
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20 */
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21
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22 #ifndef GRR_CSP_C
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23 #define GRR_CSP_C
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24 #endif
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25
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26 #define ENTITY_GRR
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27
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28 /*==== INCLUDES =============================================================*/
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29
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30 #include "typedefs.h" /* to get Condat data types */
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31
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32 #include "vsi.h" /* to get a lot of macros */
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33 #include "macdef.h"
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34 #include "gprs.h"
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35 #include "gsm.h" /* to get a lot of macros */
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36 #include "ccdapi.h" /* to get CCD API */
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37 #include "cnf_grr.h" /* to get cnf-definitions */
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38 #include "mon_grr.h" /* to get mon-definitions */
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39 #include "prim.h" /* to get the definitions of used SAP and directions */
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40 #include "message.h"
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41 #include "grr.h" /* to get the global entity definitions */
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42 #include "grr_f.h"
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43 #include "grr_csf.h"
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44
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45 /*==== CONST ================================================================*/
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46
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47 /*==== LOCAL VARS ===========================================================*/
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48
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49 /*==== PUBLIC FUNCTIONS =====================================================*/
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50 /*
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51 +------------------------------------------------------------------------------
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52 | Function : cs_t3158
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53 +------------------------------------------------------------------------------
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54 | Description : Handles the timeout of timer T3158
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55 |
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56 | Parameters : void
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57 |
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58 +------------------------------------------------------------------------------
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59 */
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60 GLOBAL void cs_t3158 ( void )
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61 {
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62 #if defined (REL99) AND defined (TI_PS_FF_EMR)
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63 BOOL is_enh_meas = cs_is_enh_meas_reporting();
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64 #endif
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65
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66 TRACE_FUNCTION( "cs_t3158" );
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67
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68 TRACE_EVENT( "T3158 timeout" );
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69
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70 cs_store_rxlev_values( );
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71 cs_reset_all_rxlev_results( );
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72
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73 switch( GET_STATE( CS ) )
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74 {
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75 case CS_IDLE:
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76
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77 switch( GET_STATE( CS_MEAS ) )
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78 {
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79 case CS_MEAS_NULL:
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80 if( grr_is_pbcch_present( ) EQ FALSE )
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81 {
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82 cs_send_meas_rep_req( NC_REPORT_MEAS );
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83
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84 SET_STATE( CS_MEAS, CS_MEAS_REP_REQ );
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85 }
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86 else
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87 {
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88 SET_STATE( CS_MEAS, CS_MEAS_PMR_SENDING );
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89
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90
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91 #if defined (REL99) AND defined (TI_PS_FF_EMR)
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92 if( ((is_enh_meas EQ TRUE) AND (cs_send_enh_meas_rpt() EQ FALSE))
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93 OR
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94 ((is_enh_meas EQ FALSE) AND (cs_send_meas_rpt(TRUE) EQ FALSE)) )
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95 #else
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96 if( cs_send_meas_rpt( TRUE ) EQ FALSE )
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97 #endif
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98
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99 {
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100 /*
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101 * The additional state check is necessary because signals might
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102 * be send during the processing of the function cs_send_meas_rpt.
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103 */
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104 if( GET_STATE( CS_MEAS ) EQ CS_MEAS_PMR_SENDING )
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105 {
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106 SET_STATE( CS_MEAS, CS_MEAS_NULL );
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107 }
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108 }
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109 }
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110 break;
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111
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112 default:
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113 break;
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114 }
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115
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116 cs_process_t3158( );
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117 break;
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118
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119 case CS_CR_NETWORK:
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120 default:
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121 /*
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122 * RR performs an IA reject procedure resulting in a cell re-selection
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123 * when timer T3158 expires. Timeout of T3158 resulted in a "T3158 timeout
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124 * unexpected", this should be avoided.
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125 */
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126 cs_process_t3158( );
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127 break;
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128 }
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129 } /* cs_t3158() */
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130
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131 /*
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132 +------------------------------------------------------------------------------
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133 | Function : cs_t_reselect
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134 +------------------------------------------------------------------------------
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135 | Description : Handles the timeout of timer T_RESELECT
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136 |
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137 | Parameters : void
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138 |
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139 +------------------------------------------------------------------------------
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140 */
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141 GLOBAL void cs_t_reselect ( void )
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142 {
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143 TRACE_FUNCTION( "cs_t_reselect" );
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144
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145 if( grr_t_status( T3174 ) > 0 )
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146 {
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147 TRACE_EVENT( "t_reslect expired when t3174 is running" );
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148 return;
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149 }
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150 cs_cr_decision( CRDM_T_RESELECT );
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151 } /* cs_t_reselect() */