FreeCalypso > hg > fc-magnetite
annotate src/g23m-gsm/sim/sim_em.c @ 662:8cd8fd15a095
SIM speed enhancement re-enabled and made configurable
TI's original code supported SIM speed enhancement, but Openmoko had it
disabled, and OM's disabling of speed enhancement somehow caused certain
SIM cards to start working which didn't work before (OM's bug #666).
Because our FC community is much smaller in year 2020 than OM's community
was in their day, we are not able to find one of those #666-affected SIMs,
thus the real issue they had encountered remains elusive. Thus our
solution is to re-enable SIM speed enhancement and simply wait for if
and when someone runs into a #666-affected SIM once again. We provide
a SIM_allow_speed_enhancement global variable that allows SIM speed
enhancement to be enabled or disabled per session, and an /etc/SIM_spenh
file in FFS that allows it to enabled or disabled on a non-volatile
basis. SIM speed enhancement is now enabled by default.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 24 May 2020 05:02:28 +0000 |
parents | 27a4235405c6 |
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rev | line source |
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104
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : |
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4 | Modul : |
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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 defines the engineering mode (EM) device driver for the |
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18 | G23 protocol stack. This driver is used to control all engineering |
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19 | mode related functions. |
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20 +----------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 #ifndef SIM_EM_C |
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24 #define SIM_EM_C |
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25 |
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26 #define ENTITY_SIM |
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27 |
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28 /*==== INCLUDES ===================================================*/ |
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29 #include <string.h> |
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30 #include "typedefs.h" |
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31 #include "pconst.cdg" |
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32 #include "message.h" |
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33 #include "ccdapi.h" |
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34 #include "vsi.h" |
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35 #include "custom.h" |
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36 #include "gsm.h" |
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37 #include "cnf_sim.h" |
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38 #include "mon_sim.h" |
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39 #include "prim.h" |
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40 #include "pei.h" |
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41 #include "tok.h" |
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42 /* #include "dti.h" removed, but included in SIM.H */ |
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43 #include "sim.h" |
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44 #include "sim_em.h" |
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45 |
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46 /*==== EXPORT =====================================================*/ |
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47 |
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48 /*==== PRIVAT =====================================================*/ |
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49 |
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50 /*==== VARIABLES ==================================================*/ |
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51 |
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52 #ifdef FF_EM_MODE |
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53 GLOBAL UBYTE em_sim_event_buffer[EM_SIM_BUFFER_SIZE]; |
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54 GLOBAL UBYTE em_sim_buffer_write; |
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55 |
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56 /* Event tracing flags for EM */ |
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57 GLOBAL BOOL sim_v[EM_MAX_SIM_EVENTS]; |
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58 |
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59 static UBYTE em_sim_trace_occured; |
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60 #endif /* FF_EM_MODE */ |
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61 |
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62 /*==== FUNCTIONS ==================================================*/ |
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63 |
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64 #ifdef FF_EM_MODE |
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65 |
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66 /* |
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67 +------------------------------------------------------------------------------ |
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68 | Function : em_write_buffer_2 |
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69 +------------------------------------------------------------------------------ |
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70 | Description : Perform buffer check and store corresponding data in it. |
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71 | |
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72 | Parameters : Event number |
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73 | |
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74 | Return : TRUE/FALSE |
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75 | |
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76 +------------------------------------------------------------------------------ |
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77 */ |
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78 |
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79 GLOBAL UBYTE em_write_buffer_2 (UBYTE event_no) |
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80 { |
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81 |
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82 TRACE_FUNCTION ("sim_em_write_buffer_2()"); |
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83 |
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84 if(check_write_index(2)) { /* Check write index */ |
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85 em_sim_event_buffer[em_sim_buffer_write++] = event_no; /* Event number */ |
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86 em_sim_event_buffer[em_sim_buffer_write++] = 0; /* Value length - 0 equals no value */ |
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87 return FALSE; /* Data is stored inside buffer, reset flag */ |
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88 } |
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89 else |
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90 return TRUE; /* No more space inside buffer, serve flag next time */ |
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91 } |
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92 |
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93 /* |
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94 +------------------------------------------------------------------------------ |
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95 | Function : em_write_buffer_3 |
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96 +------------------------------------------------------------------------------ |
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97 | Description : Perform buffer check and store corresponding data in it. |
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98 | |
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99 | Parameters : Event number, data value |
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100 | |
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101 | Return : TRUE/FALSE |
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102 | |
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103 +------------------------------------------------------------------------------ |
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104 */ |
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105 |
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106 GLOBAL UBYTE em_write_buffer_3 (UBYTE event_no, UBYTE value) |
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107 { |
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108 |
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109 TRACE_FUNCTION ("sim_em_write_buffer_3()"); |
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110 |
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111 if(check_write_index(3)) { /* Check write index */ |
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112 em_sim_event_buffer[em_sim_buffer_write++] = event_no; /* Event number */ |
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113 em_sim_event_buffer[em_sim_buffer_write++] = 1; /* Value length - 0 equals no value */ |
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114 em_sim_event_buffer[em_sim_buffer_write++] = value; /* Data to be stored */ |
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115 return FALSE; /* Data is stored inside buffer, reset flag */ |
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116 } |
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117 else |
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118 return TRUE; /* No more space inside buffer, serve flag next time */ |
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119 } |
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120 |
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121 /* |
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122 +------------------------------------------------------------------------------ |
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123 | Function : em_write_buffer_3a |
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124 +------------------------------------------------------------------------------ |
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125 | Description : Perform buffer check and store corresponding data in it. |
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126 | |
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127 | Parameters : Event number, data value (USHORT) |
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128 | |
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129 | Return : TRUE/FALSE |
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130 | |
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131 +------------------------------------------------------------------------------ |
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132 */ |
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133 |
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134 GLOBAL UBYTE em_write_buffer_3a (UBYTE event_no, USHORT value) |
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135 { |
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136 |
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137 TRACE_FUNCTION ("sim_em_write_buffer_3a()"); |
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138 |
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139 if(check_write_index(4)) { /* Check write index */ |
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140 em_sim_event_buffer[em_sim_buffer_write++] = event_no; /* Event number */ |
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141 em_sim_event_buffer[em_sim_buffer_write++] = 2; /* Value length - 0 equals no value */ |
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142 em_sim_event_buffer[em_sim_buffer_write++] = (UBYTE)(value >> 8); /* Data to be stored - MSB first */ |
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143 em_sim_event_buffer[em_sim_buffer_write++] = (UBYTE)(value); /* LSB second */ |
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144 return FALSE; /* Data is stored inside buffer, reset flag */ |
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145 } |
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146 else |
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147 return TRUE; /* No more space inside buffer, serve flag next time */ |
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148 } |
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149 |
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|
150 /* |
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151 +------------------------------------------------------------------------------ |
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152 | Function : check_write_index |
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153 +------------------------------------------------------------------------------ |
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154 | Description : Checks the write index inside the buffer. No reset when |
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155 | buffer is full. |
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156 | |
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|
157 | Parameters : Number of bytes to be stored in buffer |
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158 | |
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159 | Return : TRUE/FALSE |
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|
160 | |
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|
161 +------------------------------------------------------------------------------ |
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|
162 */ |
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|
163 |
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|
164 LOCAL UBYTE check_write_index (UBYTE n) |
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|
165 { |
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diff
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|
166 |
27a4235405c6
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parents:
diff
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|
167 TRACE_FUNCTION ("sim_check_write_index()"); |
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|
168 |
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|
169 if ((em_sim_buffer_write + n) < EM_SIM_BUFFER_SIZE) |
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|
170 { |
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diff
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|
171 /* |
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|
172 ACI is informed about the first event trace, used for later data processing. |
27a4235405c6
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parents:
diff
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|
173 */ |
27a4235405c6
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parents:
diff
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|
174 if(em_sim_trace_occured == 0) |
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diff
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|
175 { |
27a4235405c6
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diff
changeset
|
176 PALLOC(em_notification, EM_DATA_IND); |
27a4235405c6
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diff
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|
177 em_notification->entity = EM_SIM; |
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|
178 PSENDX(MMI, em_notification); |
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|
179 em_sim_trace_occured++; |
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|
180 } |
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|
181 return TRUE; |
27a4235405c6
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|
182 } |
27a4235405c6
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|
183 else |
27a4235405c6
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184 return FALSE; |
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|
185 } |
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186 |
27a4235405c6
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|
187 /* |
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|
188 +------------------------------------------------------------------------------ |
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189 | Function : em_init_sim_event_trace |
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190 +------------------------------------------------------------------------------ |
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191 | Description : Initialize the event tracing flags for SMS |
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192 | |
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193 | Parameters : |
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194 | |
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195 | Return : |
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196 | |
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|
197 +------------------------------------------------------------------------------ |
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198 */ |
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|
199 GLOBAL void em_init_sim_event_trace(void) |
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200 { |
27a4235405c6
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|
201 UBYTE i; |
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|
202 |
27a4235405c6
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|
203 TRACE_FUNCTION ("em_init_sim_event_trace()"); |
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204 |
27a4235405c6
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|
205 for(i=1; i<EM_MAX_SIM_EVENTS; i++) |
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|
206 sim_v[i] = 0; |
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|
207 |
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|
208 em_sim_buffer_write = 0; |
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|
209 } |
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Mychaela Falconia <falcon@freecalypso.org>
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|
210 |
27a4235405c6
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Mychaela Falconia <falcon@freecalypso.org>
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|
211 /* |
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|
212 +------------------------------------------------------------------------------ |
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213 | Function : sim_em_sim_event_req |
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214 +------------------------------------------------------------------------------ |
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215 | Description : Set the event tracing flags according the bitmask |
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|
216 | |
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217 | Parameters : Primitive - Bitmask |
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218 | |
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219 | Return : |
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220 | |
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|
221 +------------------------------------------------------------------------------ |
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|
222 */ |
27a4235405c6
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|
223 |
27a4235405c6
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Mychaela Falconia <falcon@freecalypso.org>
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|
224 GLOBAL void sim_em_sim_event_req (T_EM_SIM_EVENT_REQ *em_sim_event_req) |
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225 { |
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|
226 UBYTE i; |
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227 |
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|
228 TRACE_FUNCTION ("sim_em_sim_event_req()"); |
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229 /* |
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230 * The event tracing flags are set according the bitmask. sim_v[i] are |
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231 * the flags belonging to the event number described in 8443.601 |
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232 */ |
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233 for(i=1; i<EM_MAX_SIM_EVENTS; i++) |
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234 sim_v[i] = ((em_sim_event_req->bitmask_sim & (0x01<<(i-1))) > 0) ? TRUE : FALSE; |
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235 |
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236 /* |
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237 A new event trace is generated therefor the flag is set to 0. |
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238 */ |
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239 em_sim_trace_occured = 0; |
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240 |
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241 PFREE(em_sim_event_req); |
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242 } |
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243 #endif /* FF_EM_MODE */ |
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244 |
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245 |
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246 #endif /* SIM_EM_C */ |
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247 |
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248 |