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annotate src/g23m-gsm/ss/ss_em.c @ 1:fa8dc04885d8

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src/g23m-*: import from Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 16 Oct 2020 06:25:50 +0000
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fa8dc04885d8 src/g23m-*: import from Magnetite
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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 SS_EM_C
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24 #define SS_EM_C
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25
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26 #define ENTITY_SS
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27
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28 /*==== INCLUDES ===================================================*/
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29
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30 #include <string.h>
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31 #include <stdlib.h>
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32 #include <stddef.h>
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33 #include "typedefs.h"
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34 #include "pcm.h"
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35 #include "pconst.cdg"
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36 #include "mconst.cdg"
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37 #include "message.h"
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38 #include "ccdapi.h"
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39 #include "vsi.h"
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40 #include "custom.h"
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41 #include "gsm.h"
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42 #include "prim.h"
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43 #include "cnf_ss.h"
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44 #include "mon_ss.h"
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45 #include "pei.h"
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46 #include "tok.h"
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47 #include "ss.h"
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48 #include "ss_em.h"
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49
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50 /*==== EXPORT =====================================================*/
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51
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52 /*==== PRIVAT =====================================================*/
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53
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54 /*==== VARIABLES ==================================================*/
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55 #ifdef FF_EM_MODE
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56 GLOBAL UBYTE em_ss_event_buffer[EM_SS_BUFFER_SIZE ];
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57 GLOBAL UBYTE em_ss_buffer_write;
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58
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59 /* Event tracing flags for EM */
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60 GLOBAL BOOL ss_v[EM_MAX_SS_EVENTS];
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61
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62 static UBYTE em_ss_trace_occured;
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63
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64 /*==== FUNCTIONS ==================================================*/
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65
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66 /*
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67 +------------------------------------------------------------------------------
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68 | Function : em_write_buffer_3
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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, data value
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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_3 (UBYTE event_no, UBYTE value)
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80 {
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81 TRACE_FUNCTION ("ss_em_write_buffer_3()");
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82
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83 if (check_write_index(3))
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84 {
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85 em_ss_event_buffer[em_ss_buffer_write++] = event_no; /* Tag: Event number */
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86 em_ss_event_buffer[em_ss_buffer_write++] = 1; /* Length: 0 equals no value */
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87 em_ss_event_buffer[em_ss_buffer_write++] = value; /* Value: Data to be stored */
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88 return FALSE; /* Data is stored inside buffer, reset flag */
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89 }
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90 else
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91 return TRUE; /* No more space inside buffer, serve flag next time */
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92 }
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93
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94
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95 /*
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96 +------------------------------------------------------------------------------
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97 | Function : check_write_index
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98 +------------------------------------------------------------------------------
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99 | Description : Checks the write index inside the buffer. No reset when
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100 | buffer is full.
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101 |
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102 | Parameters : Number of bytes to be stored in buffer
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103 |
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104 | Return : TRUE/FALSE
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105 |
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106 +------------------------------------------------------------------------------
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107 */
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108
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109 GLOBAL UBYTE check_write_index (UBYTE n)
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110 {
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111 TRACE_FUNCTION ("ss_check_write_index()");
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112
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113 if (em_ss_buffer_write + n < EM_SS_BUFFER_SIZE )
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114 {
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115 /*
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116 * ACI is informed about the first event trace,
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117 * used for later data processing.
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118 */
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119 if (em_ss_trace_occured == 0)
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120 {
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121 PALLOC(em_notification, EM_DATA_IND);
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122 em_notification->entity = EM_SS;
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123 PSENDX(MMI, em_notification);
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124 em_ss_trace_occured++;
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125 }
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126 return TRUE;
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127 }
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128 else
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129 return 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 +------------------------------------------------------------------------------
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135 | Function : em_init_ss_event_trace
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136 +------------------------------------------------------------------------------
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137 | Description : Initialize the event tracing flags for SMS
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138 |
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139 | Parameters :
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140 |
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141 | Return :
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142 |
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143 +------------------------------------------------------------------------------
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144 */
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145 GLOBAL void em_init_ss_event_trace(void)
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146 {
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147 UBYTE i;
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148
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149 TRACE_FUNCTION ("em_init_ss_event_trace()");
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150
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151 for(i = 1; i < EM_MAX_SS_EVENTS; i++)
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152 ss_v[i] = 0;
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153
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154 em_ss_buffer_write = 0;
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155 }
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156
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157
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158 /*
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159 +------------------------------------------------------------------------------
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160 | Function : ss_em_ss_event_req
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161 +------------------------------------------------------------------------------
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162 | Description : Set the event tracing flags according the bitmask
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163 |
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164 | Parameters : Primitive - Bitmask
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165 |
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166 | Return :
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167 |
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168 +------------------------------------------------------------------------------
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169 */
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170
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171 GLOBAL void ss_em_ss_event_req (T_EM_SS_EVENT_REQ *em_ss_event_req)
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172 {
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173 UBYTE i;
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174
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175 TRACE_FUNCTION ("em_ss_em_ss_event_req()");
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176
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177 /*
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178 * The event tracing flags are set according the bitmask. ss_v[i] are
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179 * the flags belonging to the event number described in 8443.601
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180 */
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181 for(i=1; i<(EM_MAX_SS_EVENTS); i++)
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182 ss_v[i] = ((em_ss_event_req->bitmask_ss & (0x01<<(i-1))) > 0) ? TRUE : FALSE;
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183
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184 /*
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185 * A new event trace is generated therefor the flag is reset.
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186 */
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187 em_ss_trace_occured = 0;
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188
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189 PFREE(em_ss_event_req);
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190 }
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191
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192 #endif /* FF_EM_MODE */
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193
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194 #endif /* #ifndef SS_EM_C */