FreeCalypso > hg > fc-tourmaline
annotate src/g23m-gsm/dl/dl_em.c @ 1:fa8dc04885d8
src/g23m-*: import from Magnetite
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 16 Oct 2020 06:25:50 +0000 |
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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 DL_EM_C |
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24 #define DL_EM_C |
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25 |
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26 #define ENTITY_DL |
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27 |
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28 |
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29 /*==== INCLUDES ===================================================*/ |
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30 #include "typedefs.h" |
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31 #include <string.h> |
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32 #include "pconst.cdg" |
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33 #include "vsi.h" |
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34 #include "pconst.cdg" |
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35 #include "custom.h" |
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36 #include "gsm.h" |
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37 #include "mon_dl.h" |
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38 #include "prim.h" |
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39 #include "pei.h" |
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40 #include "tok.h" |
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41 #include "ccdapi.h" |
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42 #include "dl.h" |
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43 #include "dl_em.h" |
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44 |
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45 #ifdef FF_EM_MODE |
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46 #ifdef _SIMULATION_ |
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47 #pragma message("this build includes engineering mode (FF_EM_MODE)") |
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48 #endif |
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49 |
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50 /*==== EXPORT =====================================================*/ |
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51 /* |
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52 * These variables are used between entities. Even this is not a clean solution |
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53 * it is a straigth forward way to reduce the overhead to a minimum. A clean |
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54 * solution would be based on an only usage of primitives which would stress |
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55 * the OS without aditional advantage!! |
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56 */ |
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57 GLOBAL UBYTE em_dl_sem_buffer [EM_DL_SEM_SIZE]; |
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58 GLOBAL UBYTE em_dl_sem_index = 0; |
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59 GLOBAL UBYTE em_dl_sem_read_index = 0; |
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60 |
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61 /* Event tracing flags for EM */ |
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62 GLOBAL BOOL dl_v[EM_MAX_DL_EVENTS]; |
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63 |
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64 /*==== PRIVAT =====================================================*/ |
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65 static T_HANDLE sem_EM_DL; |
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66 static UBYTE em_dl_trace_occured; |
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67 |
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68 #if !defined(INVOKE_SIGNAL) |
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69 LOCAL UBYTE em_dl_write (UBYTE length, UBYTE * data); |
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70 LOCAL void dl_em_first_event_check(void);/*for ACI notification of first EM event*/ |
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71 #endif /* !INVOKE_SIGNAL */ |
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72 |
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73 /*==== VARIABLES ==================================================*/ |
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74 |
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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 | Function : dl_em_buffer_4 |
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80 +------------------------------------------------------------------------------ |
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81 | Description : Perform buffer check and store corresponding data in it. |
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82 | |
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83 | Parameters : Event number, data value1, data value2 |
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84 | |
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85 | Return : TRUE/FALSE |
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86 | |
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87 +------------------------------------------------------------------------------ |
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88 */ |
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89 |
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90 GLOBAL UBYTE em_write_buffer_4 (UBYTE event_no, UBYTE value1, UBYTE value2) |
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91 { |
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92 #define THIS_EM_BUFFER_LEN 4 |
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93 UBYTE em_dl_event_buffer[THIS_EM_BUFFER_LEN]; |
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94 |
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95 TRACE_EVENT_WIN ("em_write_buffer_4"); |
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96 |
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97 /* |
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98 ACI is informed about the first event trace, used for later data processing. |
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99 */ |
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100 |
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101 dl_em_first_event_check(); |
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102 |
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103 em_dl_event_buffer[0] = event_no; /* Event number */ |
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104 em_dl_event_buffer[1] = THIS_EM_BUFFER_LEN-2; /* Value length - 0 equals no data */ |
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105 em_dl_event_buffer[2] = value1; /* first data info */ |
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106 em_dl_event_buffer[3] = value2; /* second data info */ |
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107 |
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108 return ( em_dl_write (THIS_EM_BUFFER_LEN, em_dl_event_buffer) ); /* Data is stored inside buffer, reset flag */ |
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109 #undef THIS_EM_BUFFER_LEN |
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110 } |
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111 |
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112 /* |
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113 +------------------------------------------------------------------------------ |
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114 | Function : dl_em_write_buffer_5a |
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115 +------------------------------------------------------------------------------ |
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116 | Description : Perform buffer check and store corresponding data in it. |
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117 | |
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118 | Parameters : Event number, data value1, data value2, data cs (USHORT) |
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119 | |
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120 | Return : TRUE/FALSE |
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121 | |
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122 +------------------------------------------------------------------------------ |
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123 */ |
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124 |
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125 GLOBAL UBYTE em_write_buffer_5a (UBYTE event_no, UBYTE value1, UBYTE value2, USHORT cs) |
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126 { |
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127 #define THIS_EM_BUFFER_LEN 6 |
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128 UBYTE em_dl_event_buffer[THIS_EM_BUFFER_LEN]; |
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129 |
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130 TRACE_EVENT_WIN ("em_write_buffer_5a"); |
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131 |
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132 /* |
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133 ACI is informed about the first event trace, used for later data processing. |
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134 */ |
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135 dl_em_first_event_check(); |
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136 |
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137 em_dl_event_buffer[0] = event_no; /* Event number */ |
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138 em_dl_event_buffer[1] = THIS_EM_BUFFER_LEN-2; /* Value length - 0 equals no data */ |
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139 em_dl_event_buffer[2] = value1; /* first data info */ |
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140 em_dl_event_buffer[3] = value2; /* second data info */ |
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141 em_dl_event_buffer[4] = (UBYTE)(cs >> 8); /* Data to be stored - MSB first */ |
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142 em_dl_event_buffer[5] = (UBYTE)(cs); /* LSB second */ |
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143 |
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144 return ( em_dl_write (THIS_EM_BUFFER_LEN, em_dl_event_buffer) );/* Data is stored inside buffer, reset flag */ |
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145 #undef THIS_EM_BUFFER_LEN |
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146 } |
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147 |
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148 /* |
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149 +------------------------------------------------------------------------------ |
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150 | Function : em_init_dl_event_trace |
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151 +------------------------------------------------------------------------------ |
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152 | Description : Initialize the event tracing flags |
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153 | |
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154 | Parameters : |
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155 | |
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156 | Return : |
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157 | |
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158 +------------------------------------------------------------------------------ |
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159 */ |
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160 GLOBAL void em_init_dl_event_trace(void) |
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161 { |
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162 UBYTE i; |
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163 |
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164 TRACE_EVENT_WIN ("em_init_dl_event_trace"); |
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165 |
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166 for(i=1; i<EM_MAX_DL_EVENTS; i++) |
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167 { |
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168 dl_v[i] = 0; |
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169 } |
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170 } |
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171 |
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172 /* |
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173 +------------------------------------------------------------------------------ |
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174 | Function : dl_em_dl_event_req |
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175 +------------------------------------------------------------------------------ |
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176 | Description : Set the event tracing flags according the bitmask |
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177 | |
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178 | Parameters : Primitive - Bitmask |
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179 | |
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180 | Return : |
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181 | |
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182 +------------------------------------------------------------------------------ |
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183 */ |
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184 |
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185 GLOBAL void dl_em_dl_event_req (T_EM_DL_EVENT_REQ *em_dl_event_req) |
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186 { |
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187 UBYTE i; |
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188 |
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189 TRACE_EVENT_WIN_P1 ("dl_em_dl_event_req: bitmask_dl=%x", em_dl_event_req->bitmask_dl); |
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190 /* |
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191 * The event tracing flags are set according the bitmask. dl_v[i] are |
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192 * the flags belonging to the event number described in 8443.601 |
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193 */ |
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194 for(i=1; i<EM_MAX_DL_EVENTS; i++) |
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195 { |
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196 dl_v[i] = ((em_dl_event_req->bitmask_dl & (0x01<<(i-1))) > 0) ? TRUE : FALSE; |
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197 } |
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198 |
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199 /* |
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200 A new event trace is generated therefor the flag is set to 0. |
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201 */ |
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202 em_dl_trace_occured = 0; |
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203 |
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204 PFREE(em_dl_event_req); |
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205 } |
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206 |
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207 LOCAL void em_dl_sem_clear (void) |
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208 { |
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209 ENTER_CRITICAL_SECTION (sem_EM_DL); |
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210 em_dl_sem_index = em_dl_sem_read_index = 0; |
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211 LEAVE_CRITICAL_SECTION (sem_EM_DL); |
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212 |
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213 SYST_TRACE ("DL:em_dl_sem_index cleared"); |
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214 } |
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215 |
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216 GLOBAL void em_dl_sem_init (void) |
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217 { |
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218 sem_EM_DL = vsi_s_open (VSI_CALLER "EM_DL_SEM",1); |
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219 |
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220 if (sem_EM_DL NEQ VSI_ERROR) |
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221 { |
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222 em_dl_sem_clear (); |
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223 } |
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224 else |
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225 { |
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226 SYST_TRACE ("DL:can´t open semaphore \"EM_DL_SEM\""); |
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227 } |
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228 |
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229 em_dl_trace_occured = 0; |
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230 } |
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231 |
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232 GLOBAL void em_dl_sem_exit (void) |
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233 { |
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234 if (sem_EM_DL NEQ VSI_ERROR) |
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235 vsi_s_close (VSI_CALLER sem_EM_DL); |
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236 } |
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237 |
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238 /* |
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239 To be able to read the dl-buffer from aci, em_dl_sem_read occupies the semaphor with ENTER_CRITICAL_SECTION. |
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240 After read process toke place the function em_dl_sem_clear must be called to open the semaphor again and |
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241 reset the read index. |
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242 */ |
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243 GLOBAL void em_dl_sem_reset (void) |
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244 { |
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245 /* |
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246 ENTER_CRITICAL_SECTION (sem_EM_DL); |
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247 */ |
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248 em_dl_sem_index = em_dl_sem_read_index = 0; |
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249 LEAVE_CRITICAL_SECTION (sem_EM_DL); |
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250 |
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251 SYST_TRACE ("DL:em_dl_sem_index reseted"); |
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252 } |
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253 |
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254 GLOBAL void em_dl_sem_read (void) |
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255 { |
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256 USHORT semCount; |
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257 TRACE_EVENT_WIN ( "em_dl_sem_read"); |
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258 |
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259 if (vsi_s_status (VSI_CALLER sem_EM_DL, &semCount) NEQ VSI_OK) |
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260 { |
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261 com_semaphore_err(); |
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262 return ; |
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263 } |
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264 if (semCount EQ 0) |
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265 { |
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266 SYST_TRACE ("DL:semCount == 0"); |
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267 return ; |
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268 } |
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269 ENTER_CRITICAL_SECTION (sem_EM_DL); |
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270 /* |
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271 The dl semaphor will be read by the engineering mode via aci, therefore the functions em_dl_sem_read |
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272 and em_dl_sem_reset are defined as global. To ensure that during reading only aci has access to |
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273 the semaphor the macro LEAVE_CRITICAL_SECTION is called after the read process toke place - |
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274 in the em_dl_sem_reset function. |
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275 */ |
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276 } |
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277 |
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278 /* |
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279 Return value TRUE/FALSE - TRUE keeps the event flag valid, FALSE indicates a successful flag handle |
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280 */ |
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281 #if defined(INVOKE_SIGNAL) |
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282 GLOBAL UBYTE em_dl_write (UBYTE length, UBYTE *data) |
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283 #else /* INVOKE_SIGNAL */ |
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284 LOCAL UBYTE em_dl_write (UBYTE length, UBYTE *data) |
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285 #endif /* INVOKE_SIGNAL */ |
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286 { |
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287 USHORT semCount; |
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288 GET_INSTANCE_DATA; |
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289 |
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290 TRACE_EVENT_WIN ("em_dl_write"); |
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291 |
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292 if (dl_data->interrupt_context) |
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293 { |
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|
294 sig_invoke_dl_em_write (length, data); |
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295 return FALSE; |
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|
296 } |
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297 |
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298 if (vsi_s_status (VSI_CALLER sem_EM_DL, &semCount) NEQ VSI_OK) |
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|
299 { |
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300 com_semaphore_err(); |
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301 return TRUE; |
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|
302 } |
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|
303 |
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|
304 if (semCount EQ 0) |
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|
305 { |
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|
306 TRACE_EVENT_WIN ("semCount == 0"); |
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|
307 return TRUE; |
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|
308 } |
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|
309 |
fa8dc04885d8
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|
310 /* |
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|
311 * buffer overflow protection - EM_DL_SEM_SIZE = 30 |
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|
312 */ |
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|
313 if ( (em_dl_sem_index + length) > EM_DL_SEM_SIZE ) |
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|
314 { |
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|
315 TRACE_EVENT_WIN ("dl em buffer full"); |
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|
316 return FALSE; |
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Mychaela Falconia <falcon@freecalypso.org>
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|
317 } |
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|
318 |
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|
319 if (com_enter_critical_section (sem_EM_DL)) |
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|
320 return TRUE; |
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diff
changeset
|
321 |
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|
322 memcpy (&em_dl_sem_buffer[em_dl_sem_index], data, length); |
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|
323 em_dl_sem_index += length; |
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|
324 |
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|
325 com_leave_critical_section (sem_EM_DL); |
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|
326 return FALSE; /* indicates that flag was handled */ |
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|
327 } /* endfunc em_dl_write */ |
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|
328 |
fa8dc04885d8
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|
329 /* |
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330 +------------------------------------------------------------------------------ |
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331 | Function : dl_em_first_event_check() |
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|
332 +------------------------------------------------------------------------------ |
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333 | Description : Checks if first EM-Event ocured |
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|
334 | |
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|
335 | Parameters : None |
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|
336 | |
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337 | Return : None |
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|
338 | |
fa8dc04885d8
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|
339 +------------------------------------------------------------------------------ |
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Mychaela Falconia <falcon@freecalypso.org>
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|
340 */ |
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Mychaela Falconia <falcon@freecalypso.org>
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|
341 |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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|
342 /* |
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|
343 ACI is informed about the first event trace, used for later data processing. |
fa8dc04885d8
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|
344 */ |
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|
345 #if defined(INVOKE_SIGNAL) |
fa8dc04885d8
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|
346 GLOBAL void dl_em_first_event_check(void) |
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|
347 #else |
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|
348 LOCAL void dl_em_first_event_check(void) |
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349 #endif /* !INVOKE_SIGNAL */ |
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350 { |
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|
351 if(!em_dl_trace_occured) |
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|
352 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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|
353 |
fa8dc04885d8
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|
354 #if defined(INVOKE_SIGNAL) |
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Mychaela Falconia <falcon@freecalypso.org>
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|
355 GET_INSTANCE_DATA; |
fa8dc04885d8
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|
356 if (dl_data->interrupt_context) |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
357 { |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
358 sig_invoke_dl_em_first_event_check (); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
359 return; |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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|
360 } |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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361 #endif /* INVOKE_SIGNAL */ |
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362 |
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363 TRACE_FUNCTION("dl_em_first_event_check()"); |
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364 |
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365 { |
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366 PALLOC(em_notification, EM_DATA_IND); |
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367 em_notification->entity = EM_DL; |
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368 PSENDX(MMI, em_notification); |
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369 } |
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370 |
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371 em_dl_trace_occured++; |
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372 } |
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373 } |
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374 |
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375 #endif /* FF_EM_MODE */ |
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376 |
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377 #endif /* DL_EM_C */ |
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378 |