FreeCalypso > hg > fc-tourmaline
annotate src/g23m-gsm/cc/cc_em.c @ 304:58c7961bd0b0 default tip
TCH tap: extend DL sniffing feature to support CSD modes
Our debug feature for TCH DL sniffing reads the content of the DSP's
a_dd_0 buffer (or a_dd_1 for TCH/H subchannel 1) at appropriate times
and forwards captured bits to the host. This feature was originally
implemented for TCH/FS, TCH/EFS and TCH/HS - now extend it to cover
TCH/F data modes too.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 25 Nov 2024 23:33:27 +0000 |
parents | fa8dc04885d8 |
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rev | line source |
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1
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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 CC_EM_C |
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24 #define CC_EM_C |
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25 |
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26 #define ENTITY_CC |
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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 "typedefs.h" |
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32 #include "pcm.h" |
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33 #include "vsi.h" |
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34 #include "custom.h" |
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35 #include "gsm.h" |
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36 #include "message.h" |
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37 #include "ccdapi.h" |
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38 #include "prim.h" |
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39 #include "cnf_cc.h" |
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40 #include "mon_cc.h" |
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41 #include "pei.h" |
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42 #include "tok.h" |
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43 #include "cc.h" |
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44 #include "cc_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_cc_event_buffer[EM_CC_BUFFER_SIZE]; |
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54 GLOBAL UBYTE em_cc_buffer_write; |
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55 |
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56 /* Event tracing flags for EM */ |
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57 GLOBAL BOOL cc_v[EM_MAX_CC_EVENTS]; |
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58 |
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59 static UBYTE em_cc_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 TRACE_FUNCTION ("cc_em_write_buffer_2()"); |
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82 if (check_write_index(2)) |
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83 { |
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84 em_cc_event_buffer[em_cc_buffer_write++] = event_no; /* Tag: Event number */ |
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85 em_cc_event_buffer[em_cc_buffer_write++] = 0; /* Length: 0 means no value */ |
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86 return FALSE; /* Data is stored inside buffer, reset flag */ |
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87 } |
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88 else |
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89 return TRUE; /* No more space inside buffer, serve flag next time */ |
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90 } |
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91 |
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92 /* |
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93 +------------------------------------------------------------------------------ |
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94 | Function : em_write_buffer_3 |
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95 +------------------------------------------------------------------------------ |
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96 | Description : Perform buffer check and store corresponding data in it. |
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97 | |
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98 | Parameters : Event number, data value |
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99 | |
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100 | Return : TRUE/FALSE |
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101 | |
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102 +------------------------------------------------------------------------------ |
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103 */ |
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104 |
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105 GLOBAL UBYTE em_write_buffer_3 (UBYTE event_no, UBYTE value) |
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106 { |
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107 TRACE_FUNCTION ("cc_em_write_buffer_3()"); |
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108 |
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109 if (check_write_index(3)) |
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110 { |
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111 em_cc_event_buffer[em_cc_buffer_write++] = event_no; /* Tag: Event number */ |
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112 em_cc_event_buffer[em_cc_buffer_write++] = 1; /* Length: 0 means no value */ |
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113 em_cc_event_buffer[em_cc_buffer_write++] = value; /* Data to be stored */ |
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114 return FALSE; /* Data is stored inside buffer, reset flag */ |
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115 } |
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116 else |
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117 return TRUE; /* No more space inside buffer, serve flag next time */ |
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118 } |
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119 |
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120 /* |
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121 +------------------------------------------------------------------------------ |
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122 | Function : em_write_buffer_3a |
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123 +------------------------------------------------------------------------------ |
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124 | Description : Perform buffer check and store corresponding data in it. |
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125 | |
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126 | Parameters : Event number, data value (USHORT) |
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127 | |
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128 | Return : TRUE/FALSE |
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129 | |
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130 +------------------------------------------------------------------------------ |
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131 */ |
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132 |
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133 GLOBAL UBYTE em_write_buffer_3a (UBYTE event_no, USHORT value) |
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134 { |
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135 TRACE_FUNCTION ("cc_em_write_buffer_3a()"); |
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136 |
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137 if (check_write_index(4)) |
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138 { |
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139 em_cc_event_buffer[em_cc_buffer_write++] = event_no; /* Tag: Event number */ |
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140 em_cc_event_buffer[em_cc_buffer_write++] = 2; /* Length: 0 means no value */ |
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141 |
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142 /* Value: Data to be stored. MSB first, LSB second */ |
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143 em_cc_event_buffer[em_cc_buffer_write++] = (UBYTE)(value >> 8); |
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144 em_cc_event_buffer[em_cc_buffer_write++] = (UBYTE)(value); |
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145 return FALSE; /* Data is stored inside buffer, reset flag */ |
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146 } |
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147 else |
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148 return TRUE; /* No more space inside buffer, serve flag next time */ |
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149 } |
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150 |
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151 /* |
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152 +------------------------------------------------------------------------------ |
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153 | Function : em_write_buffer_4 |
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154 +------------------------------------------------------------------------------ |
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155 | Description : Perform buffer check and store corresponding data in it. |
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156 | |
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157 | Parameters : Event number, data value1, data value2 |
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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 GLOBAL UBYTE em_write_buffer_4 (UBYTE event_no, UBYTE value1, UBYTE value2) |
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165 { |
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166 TRACE_FUNCTION ("cc_em_write_buffer_4()"); |
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167 |
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168 if (check_write_index(4)) |
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169 { |
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170 em_cc_event_buffer[em_cc_buffer_write++] = event_no; /* Tag: Event number */ |
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171 em_cc_event_buffer[em_cc_buffer_write++] = 2; /* Length: 0 means no value */ |
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172 em_cc_event_buffer[em_cc_buffer_write++] = value1; /* Data to be stored, first */ |
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173 em_cc_event_buffer[em_cc_buffer_write++] = value2; /* Data to be stored, second */ |
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174 return FALSE; /* Data is stored inside buffer, reset flag */ |
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175 } |
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176 else |
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177 return TRUE; /* No more space inside buffer, serve flag next time */ |
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178 } |
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179 |
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180 |
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181 /* |
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182 +------------------------------------------------------------------------------ |
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183 | Function : em_write_buffer_4a |
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184 +------------------------------------------------------------------------------ |
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185 | Description : Perform buffer check and store corresponding data in it. |
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186 | |
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187 | Parameters : Event number, data value1 (UBYTE *), data value2 |
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188 | |
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189 | Return : TRUE/FALSE |
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190 | |
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191 | Purpose : Stores Bearer Capabilitys |
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192 +------------------------------------------------------------------------------ |
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193 */ |
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194 |
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195 GLOBAL UBYTE em_write_buffer_4a (UBYTE event_no, UBYTE *ptr1, UBYTE value2) |
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196 { |
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197 |
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198 UBYTE bc_len; |
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199 UBYTE i, em_report_len = 3; /* Initial 2 + TI */ |
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200 |
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|
201 TRACE_FUNCTION ("cc_em_write_buffer_4a()"); |
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202 |
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|
203 ptr1++; /* Skip message type --> ptr1 shows now to BC-Tag*/ |
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204 if (*ptr1++ EQ 0x04) /* BC tag (0x04) --> ptr1 shows now to length field*/ |
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205 { |
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|
206 TRACE_FUNCTION ("EM_CC: BC tag found (0x04)"); |
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207 if(*ptr1 > MNCC_MAX_BC_LEN) /* Field length exceeded */ |
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|
208 { |
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209 ; /*better to insert some kind of trace here*/ |
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|
210 bc_len = MNCC_MAX_BC_LEN; /*Just trace the maximum of BC's - skip the rest*/ |
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211 } |
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212 else /* Field length not exceeded */ |
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|
213 { |
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|
214 bc_len = *ptr1; /*trace all BC's possible */ |
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|
215 } |
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|
216 |
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|
217 ptr1++; /* ptr1 shows now the first BC */ |
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218 |
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219 em_report_len += bc_len; /* Length of encoded bearer caps */ |
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220 |
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Mychaela Falconia <falcon@freecalypso.org>
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|
221 if(check_write_index((UBYTE)(em_report_len))) /* just to ensure no buffer overflow */ |
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|
222 { |
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|
223 em_cc_event_buffer[em_cc_buffer_write++] = event_no; |
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224 em_cc_event_buffer[em_cc_buffer_write++] = (em_report_len - 2); |
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225 for (i=0; i<(bc_len); i++) /* Starting with the bearercap IEI */ |
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|
226 { |
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227 em_cc_event_buffer[em_cc_buffer_write++] = *ptr1++; /* Bearer caps encoded */ |
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228 } |
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229 /* Only bearer caps should be recorded, therefore decrement em_cc_buffer_write */ |
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230 em_cc_event_buffer[em_cc_buffer_write++] = value2; /* TI */ |
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|
231 |
fa8dc04885d8
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|
232 return FALSE; /* Data is stored inside buffer, reset flag */ |
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233 } /* check_write_index */ |
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234 } /* BC tag 0x04*/ |
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|
235 else |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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|
236 { |
fa8dc04885d8
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|
237 TRACE_FUNCTION ("EM_CC: No BC tag found"); |
fa8dc04885d8
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Mychaela Falconia <falcon@freecalypso.org>
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238 }/* no BC tag 0x04*/ |
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239 return TRUE; /* No more space inside buffer or no BC tag, serve flag next time */ |
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240 } |
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241 |
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242 |
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243 /* |
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244 +------------------------------------------------------------------------------ |
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245 | Function : check_write_index |
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246 +------------------------------------------------------------------------------ |
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247 | Description : Checks the write index inside the buffer. No reset when |
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248 | buffer is full. |
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249 | |
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250 | Parameters : Number of bytes to be stored in buffer |
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251 | |
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252 | Return : TRUE/FALSE |
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253 | |
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254 +------------------------------------------------------------------------------ |
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255 */ |
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256 |
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257 GLOBAL UBYTE check_write_index (UBYTE n) |
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258 { |
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259 TRACE_FUNCTION ("cc_check_write_index()"); |
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260 |
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261 if (em_cc_buffer_write + n < EM_CC_BUFFER_SIZE) |
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262 { |
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263 /* |
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264 * ACI is informed about the first event trace, |
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265 * used for later data processing. |
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266 */ |
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267 if (em_cc_trace_occured == 0) |
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268 { |
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269 PALLOC(data, EM_DATA_IND); |
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270 data->entity = EM_CC; |
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271 PSENDX(MMI, data); |
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272 em_cc_trace_occured++; |
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273 } |
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274 return TRUE; |
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275 } |
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276 else |
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277 { |
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278 TRACE_ERROR("EM_CC: buffer overflow"); |
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279 return FALSE; |
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280 } |
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281 } |
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282 |
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283 |
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284 /* |
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285 +------------------------------------------------------------------------------ |
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286 | Function : em_init_cc_event_trace |
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287 +------------------------------------------------------------------------------ |
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288 | Description : Initialize the event tracing flags for SMS |
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289 | |
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290 | Parameters : |
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291 | |
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292 | Return : |
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293 | |
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294 +------------------------------------------------------------------------------ |
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295 */ |
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296 |
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297 GLOBAL void em_init_cc_event_trace(void) |
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298 { |
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299 UBYTE i; |
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300 |
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301 TRACE_FUNCTION ("em_init_cc_event_trace()"); |
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302 |
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303 for (i = 1; i < EM_MAX_CC_EVENTS; i++) |
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304 cc_v[i] = 0; |
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305 |
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306 em_cc_buffer_write = 0; |
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307 } |
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308 |
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309 |
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310 /* |
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311 +------------------------------------------------------------------------------ |
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312 | Function : cc_em_cc_event_req |
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313 +------------------------------------------------------------------------------ |
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314 | Description : Set the event tracing flags according the bitmask |
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315 | |
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316 | Parameters : Primitive - Bitmask |
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317 | |
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318 | Return : |
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319 | |
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320 +------------------------------------------------------------------------------ |
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321 */ |
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322 |
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323 GLOBAL void cc_em_cc_event_req (T_EM_CC_EVENT_REQ *em_cc_event_req) |
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324 { |
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325 UBYTE i; |
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326 |
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327 TRACE_FUNCTION ("cc_em_cc_event_req()"); |
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328 |
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329 /* |
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330 * The event tracing flags are set according the bitmask. cc_v[i] are |
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331 * the flags belonging to the event number described in 8443.601 |
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332 */ |
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333 for(i = 1; i < 33; i++) |
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334 cc_v[i] = ((em_cc_event_req->bitmask_cc_l & (0x01<<(i-1))) > 0) ? TRUE : FALSE; |
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335 |
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336 for(i = 33; i < EM_MAX_CC_EVENTS; i++) |
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337 cc_v[i] = ((em_cc_event_req->bitmask_cc_h & (0x01<<(i-1))) > 0) ? TRUE : FALSE; |
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338 |
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339 /* |
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340 * A new event trace is generated therefor the flag is reset. |
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341 */ |
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342 em_cc_trace_occured = 0; |
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343 |
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344 PFREE(em_cc_event_req); |
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345 } |
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346 |
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347 #endif /* FF_EM_MODE */ |
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348 |
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349 #endif /* CC_EM_C */ |